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25 Commits

Author SHA1 Message Date
Aleksandr Orefkov e9eaa6c4cb Fix noexcept in find_or_throw 2026-08-05 14:36:02 +03:00
Aleksandr Orefkov 00a4a008a9 1.9.1
- Добавлены методы get, prefix, suffix
- Методы substr и simple_str() объявлены deprecated.
- Added methods get, prefix, suffix
- The substr and simple_str() methods are deprecated.
2026-07-31 16:08:33 +03:00
Aleksandr Orefkov 86deccbac3 1.8.2
Добавлено несколько методов в hashStrMap.
Added several methods to hashStrMap.
2026-07-24 16:24:40 +03:00
Aleksandr Orefkov a779aa7320 Fix allocator use. 2026-03-23 10:38:10 +03:00
Aleksandr Orefkov e9e717c8bd 1.8.1
- Added the ability to use allocators with size specification when deallocating.
---
- Добавлена возможность использовать аллокаторы с указанием размера при деалокации.
2026-03-22 14:58:45 +03:00
Aleksandr Orefkov 0861d365f5 1.7.3
- Added several string functions.
---
- Добавлено несколько строковых функций.
2026-03-08 17:53:28 +03:00
Aleksandr Orefkov 91a2f798e3 Update description 2026-03-01 11:15:47 +03:00
Aleksandr Orefkov c8fb92fee0 1.7.2
- Fix build for Clang with libc++
- Update benchmarks.
2026-02-27 23:05:49 +03:00
Aleksandr Orefkov a083ff1b8b Some fixes 2026-02-25 14:31:11 +03:00
Aleksandr Orefkov f798e8fbbb Change docs 2026-02-22 11:23:30 +03:00
Aleksandr Orefkov 75c9d52f0d 1.7.1
- Changed hashStrMap implementation. Added the ability to specify an allocator.
- Fixed identified bugs.
---
- Изменил реализацию hashStrMap. Добавил возможность указывать аллокатор.
- Исправил найденные ошибки
2026-02-21 16:51:57 +03:00
Aleksandr Orefkov c604e89bdf Fix doc. 2026-02-16 00:34:15 +03:00
Aleksandr Orefkov 7bb7ddb766 1.7.0
- Add e_upper, e_lower, e_ascii_upper, e_ascii_lower sting expressions.
- Add str::make_ascii_upper, str::make_ascii_lower functions for std::string.

- Добавлены строковые выражения e_upper, e_lower, e_ascii_upper, e_ascii_lower.
- Добавлены функции str::make_ascii_upper, str::make_ascii_lower functions для std::string.
2026-02-16 00:03:09 +03:00
Aleksandr Orefkov 8610bea2a9 Add some benchmarks with stringzilla. 2026-02-14 13:09:54 +03:00
Aleksandr Orefkov ee73896337 1.6.7
Optimized copying of short lstrings.
The Emscripten build now allows benchmarks to run synchronously.
Оптимизировано копирование коротких lstring.
В Emscripten сборке добавлена возможность запустить бенчмарки синхронно.
2026-02-12 19:53:32 +03:00
Aleksandr Orefkov e62493a678 Fix error converting to double char8_t 2026-02-11 11:24:57 +03:00
Aleksandr Orefkov 8cf026f2c6 - Updated to 1.6.6.
- Improved UTF conversion.
- Fixed a number of bugs.
- Improved Emscripten benchmark compilation.
---
- Обновление до 1.6.6.
- Доработал UTF-конвертацию.
- Исправил ряд ошибок.
- Доработал Emscripten сборку бенчмарков.
2026-02-10 23:35:02 +03:00
Aleksandr Orefkov 2148718b32 - Update to 1.6.5.
- Benchmark build for Emscripten output text with no delay.
- Add ""_f16 flag for use e_hex as `num / 1_f16`.
2026-02-08 14:17:03 +03:00
Aleksandr Orefkov 4e1d1b5ffa Some small fixes. 2026-02-05 12:05:49 +03:00
Aleksandr Orefkov ad3a452db5 - Update to 1.6.4
- Add operator""_fmt for integer format.
2026-02-04 17:25:40 +03:00
Aleksandr Orefkov c0dfdd4ef5 Update results 2026-02-03 23:28:15 +03:00
Aleksandr Orefkov 317a4c5994 - Updated to version 1.6.3
- e_subst has been rewritten and no longer requires specifying the format string twice.
- Added the e_int method for formatting integers.
- Bug fixes and code optimizations.
- Benchmarks and tests added.
- Updated documentation and benchmark results.

- Обновлена версия на 1.6.3
- e_subst переделан и теперь не требует указывать форматную строку дважды.
- Добавлен метод e_int для форматирования целых чисел.
- Исправлены ошибки, оптимизирован код.
- Добавлены бенчмарки и тесты.
- Обновлена документация и результаты бенчмарков.
2026-02-03 18:27:57 +03:00
Aleksandr Orefkov 15c78e65f9 - Version 1.6.2.
- Add function e_vsubst.
- make e_repl constexpr.
2026-01-31 17:24:12 +03:00
Aleksandr Orefkov 1d633b72dd fix typo 2026-01-30 18:33:52 +03:00
Aleksandr Orefkov 928ed1af23 - Add new string class - cestring, constexpr string. Worked in consteval.
- Change lstring allocation align to 16 bytes.
- Update version to 1.6.1
2026-01-30 17:30:09 +03:00
32 changed files with 10848 additions and 6126 deletions

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@ -5,7 +5,7 @@ include(FetchContent)
project( project(
simstr simstr
VERSION 1.6.0 VERSION 1.9.1
DESCRIPTION "Yet another modern C++ string library" DESCRIPTION "Yet another modern C++ string library"
HOMEPAGE_URL "https://github.com/orefkov/simstr" HOMEPAGE_URL "https://github.com/orefkov/simstr"
LANGUAGES CXX LANGUAGES CXX
@ -29,6 +29,12 @@ option(SIMSTR_BUILD_TESTS "Build tests" ON)
option(SIMSTR_BENCHMARKS "Build benchmarks" Off) option(SIMSTR_BENCHMARKS "Build benchmarks" Off)
option(USE_SYSTEM_DEPS "Use system dependencies" Off) option(USE_SYSTEM_DEPS "Use system dependencies" Off)
cmake_dependent_option(SIMSTR_LINK_NATVIS "Link natvis file" On CAN_LINK_NATVIS Off) cmake_dependent_option(SIMSTR_LINK_NATVIS "Link natvis file" On CAN_LINK_NATVIS Off)
cmake_dependent_option(SIMSTR_USE_LIBCXX "Use libc++" Off "NOT CAN_LINK_NATVIS" Off)
if (SIMSTR_USE_LIBCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++abi")
endif(SIMSTR_USE_LIBCXX)
add_library(simstr_simstr add_library(simstr_simstr
src/sstring.cpp src/sstring.cpp
@ -125,6 +131,9 @@ if(SIMSTR_BUILD_TESTS)
if(TARGET gtest) if(TARGET gtest)
target_compile_features(gtest PUBLIC cxx_std_23) target_compile_features(gtest PUBLIC cxx_std_23)
target_compile_features(gtest_main PUBLIC cxx_std_23) target_compile_features(gtest_main PUBLIC cxx_std_23)
if (CLANG_COMPILER)
target_compile_options(gtest PRIVATE -Wno-error=character-conversion)
endif(CLANG_COMPILER)
endif() endif()
endif() endif()
@ -142,6 +151,10 @@ function(GBencmark)
set(BENCHMARK_INSTALL_DOCS OFF) set(BENCHMARK_INSTALL_DOCS OFF)
set(BENCHMARK_DOWNLOAD_DEPENDENCIES ON) set(BENCHMARK_DOWNLOAD_DEPENDENCIES ON)
set(BENCHMARK_ENABLE_GTEST_TESTS OFF) set(BENCHMARK_ENABLE_GTEST_TESTS OFF)
if (SIMSTR_USE_LIBCXX)
set(BENCHMARK_USE_LIBCXX On)
endif(SIMSTR_USE_LIBCXX)
add_compile_definitions(BENCHMARK_STATIC_DEFINE) add_compile_definitions(BENCHMARK_STATIC_DEFINE)
FetchContent_MakeAvailable(googlebench) FetchContent_MakeAvailable(googlebench)
if(TARGET benchmark) if(TARGET benchmark)

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@ -134,8 +134,8 @@
"inherits": "base", "inherits": "base",
"displayName": "Linux base", "displayName": "Linux base",
"cacheVariables": { "cacheVariables": {
"CMAKE_C_COMPILER": "gcc-13", "CMAKE_C_COMPILER": "gcc",
"CMAKE_CXX_COMPILER": "g++-13", "CMAKE_CXX_COMPILER": "g++",
"CMAKE_EXPORT_COMPILE_COMMANDS": true "CMAKE_EXPORT_COMPILE_COMMANDS": true
}, },
"condition": { "condition": {
@ -169,7 +169,7 @@
}, },
{ {
"name": "linux-release", "name": "linux-release",
"displayName": "Linux Release", "displayName": "Linux Release GCC",
"inherits": "linux-base", "inherits": "linux-base",
"cacheVariables": { "cacheVariables": {
"CMAKE_BUILD_TYPE": "Release" "CMAKE_BUILD_TYPE": "Release"
@ -181,8 +181,20 @@
"inherits": "linux-base", "inherits": "linux-base",
"cacheVariables": { "cacheVariables": {
"CMAKE_BUILD_TYPE": "Release", "CMAKE_BUILD_TYPE": "Release",
"CMAKE_C_COMPILER": "clang-21", "CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++-21" "CMAKE_CXX_COMPILER": "clang++"
}
},
{
"name": "linux-release-clang-libcxx",
"displayName": "Linux Release Clang libc++",
"inherits": "linux-base",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Release",
"CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++",
"SIMSTR_USE_LIBCXX": true,
"SIMSTR_BENCHMARKS": true
} }
} }
], ],

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@ -6,13 +6,34 @@ cmake_minimum_required (VERSION 3.15)
add_executable(benchStr bench_str.cpp bench.h) add_executable(benchStr bench_str.cpp bench.h)
target_link_libraries(benchStr simstr::simstr benchmark::benchmark) target_link_libraries(benchStr simstr::simstr benchmark::benchmark)
target_compile_features(benchStr PUBLIC cxx_std_23) target_compile_features(benchStr PUBLIC cxx_std_23)
target_compile_definitions(benchStr PRIVATE
SIMSTR_VERSION="${PROJECT_VERSION}"
CXX_COMPILER_ID="${CMAKE_CXX_COMPILER_ID}"
CXX_COMPILER_VERSION="${CMAKE_CXX_COMPILER_VERSION}"
)
FetchContent_Declare(
fmt
GIT_REPOSITORY https://github.com/fmtlib/fmt
GIT_TAG tags/12.1.0
)
FetchContent_MakeAvailable(fmt)
FetchContent_Declare(
stringzilla
GIT_REPOSITORY https://github.com/ashvardanian/StringZilla.git
GIT_TAG main # or specify a version tag
)
FetchContent_MakeAvailable(stringzilla)
target_link_libraries(benchStr fmt::fmt stringzilla_header)
add_executable(process_result process_result.cpp) add_executable(process_result process_result.cpp)
target_link_libraries(process_result simstr_simstr) target_link_libraries(process_result simstr_simstr)
if (EMSCRIPTEN) if (EMSCRIPTEN)
#target_link_options(benchStr PRIVATE -sSTACK_SIZE=1048576 -sINITIAL_MEMORY=128MB -sALLOW_MEMORY_GROWTH=0) #target_link_options(benchStr PRIVATE -sSTACK_SIZE=1048576 -sINITIAL_MEMORY=128MB -sALLOW_MEMORY_GROWTH=0)
set_target_properties (benchStr PROPERTIES SUFFIX .html) set_target_properties (benchStr PROPERTIES SUFFIX .html)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -sASYNCIFY --shell-file ${CMAKE_CURRENT_SOURCE_DIR}/emscripten/shell_minimal.html")
if(SIMSTR_EMSCRIPTEN_MT) if(SIMSTR_EMSCRIPTEN_MT)
target_link_options(benchStr PUBLIC -pthread -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency-1 -sENVIRONMENT=web,worker) target_link_options(benchStr PUBLIC -pthread -sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency-1 -sENVIRONMENT=web,worker)
endif() endif()

View File

@ -1,23 +1,182 @@
/* /*
* ver. 1.9.1
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* Бенчмарки * Бенчмарки
* (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
* Benchmarks
*/ */
#include <stringzilla/stringzilla.h>
#include <stringzilla/stringzilla.hpp>
#include "bench.h" #include "bench.h"
#include <sstream> #include <sstream>
#include <string> #include <string>
#include <charconv> #include <charconv>
#include <iomanip>
#include <fmt/format.h>
#include <fmt/compile.h>
using namespace simstr; using namespace simstr;
using namespace std::literals; using namespace std::literals;
#ifdef EMSCRIPTEN
#include <emscripten.h>
bool do_sync = false;
static void DoTeardown(const benchmark::State& state) {
// Это нужно чтобы интерфейс браузера обновился
// This is necessary for the browser interface to refresh.
if (!do_sync) {
emscripten_sleep(1);
}
}
#undef BENCHMARK
#define BENCHMARK(...) \
BENCHMARK_PRIVATE_DECLARE(_benchmark_) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
::benchmark::internal::make_unique< \
::benchmark::internal::FunctionBenchmark>(#__VA_ARGS__, \
__VA_ARGS__)))->Teardown(DoTeardown)
#undef BENCHMARK_CAPTURE
#define BENCHMARK_CAPTURE(func, test_case_name, ...) \
BENCHMARK_PRIVATE_DECLARE(_benchmark_) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
::benchmark::internal::make_unique< \
::benchmark::internal::FunctionBenchmark>( \
#func "/" #test_case_name, \
[](::benchmark::State& st) { func(st, __VA_ARGS__); })))->Teardown(DoTeardown)
#endif
#define TEST_TEXT "Test text" #define TEST_TEXT "Test text"
#define LONG_TEXT "123456789012345678901234567890" #define LONG_TEXT "123456789012345678901234567890"
#define TEXT_16 "abbaabbaabbaabba" #define TEXT_16 "abbaabbaabbaabba"
#define CHECK_RESULT //#define CHECK_RESULT
void __(benchmark::State& state) { for (auto _: state) {} } void __(benchmark::State& state) { for (auto _: state) {} }
namespace sz = ashvardanian::stringzilla;
sz::string email_concat_stringzilla_app(sz::string name, sz::string_view domain, sz::string_view tld) {
return name.append("@").append(domain).append(".").append(tld);
}
//> sz::string email_concat_stringzilla_app(sz::string name, sz::string_view domain, sz::string_view tld) {
void ConcatEmailSzApp(benchmark::State& state) {
sz::string name = "username";
sz::string_view domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_stringzilla_app(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
sz::string email_concat_stringzilla_exp(sz::string name, sz::string_view domain, sz::string_view tld) {
return sz::string{name | sz::string_view{"@"} | domain | sz::string_view{"."} | tld};
}
//> sz::string email_concat_stringzilla_exp(sz::string name, sz::string_view domain, sz::string_view tld) {
void ConcatEmailSzExp(benchmark::State& state) {
sz::string name = "username";
sz::string_view domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_stringzilla_exp(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
std::string email_concat_format(std::string_view name, std::string_view domain, std::string_view tld) {
return std::format("{}@{}.{}", name, domain, tld);
}
//> std::string email_concat_format(std::string_view name, std::string_view domain, std::string_view tld) {
void ConcatEmailFormat(benchmark::State& state) {
std::string_view name = "username", domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_format(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
std::string email_concat_stream(std::string_view name, std::string_view domain, std::string_view tld) {
std::stringstream s;
s << name << "@" << domain << "." << tld;
return s.str();
}
//> std::string email_concat_stream(std::string_view name, std::string_view domain, std::string_view tld) {
void ConcatEmailStream(benchmark::State& state) {
std::string_view name = "username", domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_stream(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
std::string email_concat_std(std::string name, std::string_view domain, std::string_view tld) {
return name.append("@").append(domain).append(".").append(tld);
}
//> std::string email_concat_std(std::string name, std::string_view domain, std::string_view tld) {
void ConcatEmailStd(benchmark::State& state) {
std::string name = "username";
std::string_view domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_std(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
std::string email_concat_std_expr(std::string_view name, std::string_view domain, std::string_view tld) {
return +name + "@" + domain + "." + tld;
}
//> std::string email_concat_std_expr(std::string_view name, std::string_view domain, std::string_view tld) {
void ConcatEmailStdExp(benchmark::State& state) {
std::string_view name = "username", domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_std_expr(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
stringa email_concat_sim_expr(ssa name, ssa domain, ssa tld) {
return name + "@" + domain + "." + tld;
}
//> stringa email_concat_sim_expr(ssa name, ssa domain, ssa tld) {
void ConcatEmailSimExp(benchmark::State& state) {
ssa name = "username", domain = "verybigdomain", tld = "tld";
for (auto _: state) {
benchmark::DoNotOptimize(name);
benchmark::DoNotOptimize(domain);
benchmark::DoNotOptimize(tld);
auto email = email_concat_sim_expr(name, domain, tld);
benchmark::DoNotOptimize(email);
}
}
BENCHMARK(__)->Name("----- Concatenate email ---------")->Repetitions(1);
BENCHMARK(ConcatEmailFormat)->Name("Concat email std::format");
BENCHMARK(ConcatEmailStream)->Name("Concat email std::stringstream");
BENCHMARK(ConcatEmailSzApp) ->Name("Concat email stringzilla append");
BENCHMARK(ConcatEmailSzExp) ->Name("Concat email stringzilla concat");
BENCHMARK(ConcatEmailStd) ->Name("Concat email std::string append");
BENCHMARK(ConcatEmailStdExp)->Name("Concat email std::string by strexpr");
BENCHMARK(ConcatEmailSimExp)->Name("Concat email stringa");
void ConcatStdToStd(benchmark::State& state) { void ConcatStdToStd(benchmark::State& state) {
std::string s1 = "start "; std::string s1 = "start ";
@ -69,25 +228,54 @@ BENCHMARK(ConcatSimToStd) ->Name("Concat std::string and number by StrExpr
BENCHMARK(ConcatSimToSim) ->Name("Concat stringa and number by StrExpr to simstr::stringa"); BENCHMARK(ConcatSimToSim) ->Name("Concat stringa and number by StrExpr to simstr::stringa");
BENCHMARK(ConcatSimToSimConcat) ->Name("Concat stringa and number by e_concat to simstr::stringa"); BENCHMARK(ConcatSimToSimConcat) ->Name("Concat stringa and number by e_concat to simstr::stringa");
void ConcatStdToStdHex(benchmark::State& state) { void ConcatStdToFmtHex(benchmark::State& state) {
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
std::string s1 = "art "; std::string s1 = "art ";
for (auto _: state) { for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) { for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s1);
// What is standard method to get hex number? // It is not worked for char8_t, char16_t, char32_t :(
std::string str = std::format("{}0x{:x} end", s1, i); std::string str = s1 + std::format("{:#x}", i) + " end";
benchmark::DoNotOptimize(str); benchmark::DoNotOptimize(str);
} }
} }
} }
void ConcatAllFmtToHex(benchmark::State& state) {
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
std::string s1 = "art ";
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1);
// It is not worked for char8_t, char16_t, char32_t :(
std::string str = std::format("{}{:#x} end", s1, i);
benchmark::DoNotOptimize(str);
}
}
}
void ConcatStdToCharsHex(benchmark::State& state) {
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
std::string s1 = "art ";
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1);
// it worked only for char :(
char buf[40];
size_t len = std::to_chars(buf, buf + std::size(buf), i, 16).ptr - buf;
std::string str = s1 + "0x" + std::string(buf, len) + " end";
benchmark::DoNotOptimize(str);
}
}
}
void ConcatSimToStdHex(benchmark::State& state) { void ConcatSimToStdHex(benchmark::State& state) {
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
std::string s1 = "art "; std::string s1 = "art ";
for (auto _: state) { for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) { for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s1);
std::string str = +s1 + e_hex<HexFlags::Short>(i) + " end"; // Can work for all types of symbols
std::string str = +s1 + i / 1_f16 + " end";
benchmark::DoNotOptimize(str); benchmark::DoNotOptimize(str);
} }
} }
@ -99,7 +287,8 @@ void ConcatSimToSimHex(benchmark::State& state) {
for (auto _: state) { for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) { for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s1);
stringa str = s1 + e_hex<HexFlags::Short>(i) + " end"; // Can work for all types of symbols
stringa str = s1 + i / 1_f16 + " end";
benchmark::DoNotOptimize(str); benchmark::DoNotOptimize(str);
} }
} }
@ -111,7 +300,8 @@ void ConcatSimToSimHexC(benchmark::State& state) {
for (auto _: state) { for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) { for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s1);
stringa str = e_concat("", s1, e_hex<HexFlags::Short>(i), " end"); // Can work for all types of symbols
stringa str = e_concat("", s1, i / 1_f16, " end");
benchmark::DoNotOptimize(str); benchmark::DoNotOptimize(str);
} }
} }
@ -123,18 +313,135 @@ void ConcatSimToSimHexS(benchmark::State& state) {
for (auto _: state) { for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) { for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s1);
stringa str = e_subst(S_FRM("{}{} end"), s1, e_hex<HexFlags::Short>(i)); stringa str = e_subst("{}{} end", s1, i / 1_f16);
benchmark::DoNotOptimize(str);
}
}
}
void ConcatSimToSimHexVS(benchmark::State& state) {
// stringa SSO buffer is 23, but we use a short string to compare under the same conditions
stra s1 = "art ";
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
benchmark::DoNotOptimize(s1);
stringa str = e_vsubst("{}{} end"_ss, s1, i / 1_f16);
benchmark::DoNotOptimize(str); benchmark::DoNotOptimize(str);
} }
} }
} }
BENCHMARK(__)->Name("----- Concatenate string + Hex Number + \"Literal\" ---------")->Repetitions(1); BENCHMARK(__)->Name("----- Concatenate string + Hex Number + \"Literal\" ---------")->Repetitions(1);
BENCHMARK(ConcatStdToStdHex) ->Name("Concat std::string and hex number by std to std::string"); BENCHMARK(ConcatStdToFmtHex) ->Name("Concat std::string and format hex number and literal to std::string");
BENCHMARK(ConcatSimToStdHex) ->Name("Concat std::string and hex number by StrExpr to std::string"); BENCHMARK(ConcatAllFmtToHex) ->Name("std::format std::string and hex number by literal to std::string");
BENCHMARK(ConcatSimToSimHex) ->Name("Concat stringa and hex number by StrExpr to simstr::stringa"); BENCHMARK(ConcatStdToCharsHex) ->Name("Concat std::string and std::to_chars and string to std::string");
BENCHMARK(ConcatSimToSimHexC) ->Name("Concat stringa and hex number by e_concat to simstr::stringa"); BENCHMARK(ConcatSimToStdHex) ->Name("Concat std::string and hex number and literal by StrExpr to std::string");
BENCHMARK(ConcatSimToSimHexS) ->Name("Concat stringa and hex number by e_subst to simstr::stringa"); BENCHMARK(ConcatSimToSimHex) ->Name("Concat stringa and hex number and literal by StrExpr to simstr::stringa");
BENCHMARK(ConcatSimToSimHexC) ->Name("Concat stringa and hex number and literal by e_concat to simstr::stringa");
BENCHMARK(ConcatSimToSimHexS) ->Name("Subst stringa and hex number by e_subst literal to simstr::stringa");
BENCHMARK(ConcatSimToSimHexVS) ->Name("Subst stringa and hex number by e_vsubst stra to simstr::stringa");
void ConcatSimToSimOct(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
stringa str = "abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end";
benchmark::DoNotOptimize(str);
}
}
}
void SubstSimToSimOct(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
stringa str = e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt);
benchmark::DoNotOptimize(str);
}
}
}
void VSubstSimToSimOct(benchmark::State& state) {
ssa pattern = "abcdefghihklmopqr {} end";
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
stringa str = e_vsubst(pattern, i / 0x8a010_fmt);
benchmark::DoNotOptimize(str);
}
}
}
void FormatStdToStdOct(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
std::string str = std::format("abcdefghihklmopqr {:#010o} end", i);
benchmark::DoNotOptimize(str);
}
}
}
void VFormatStdToStdOct(benchmark::State& state) {
std::string_view pattern = "abcdefghihklmopqr {:#010o} end";
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
std::string str = std::vformat(pattern, std::make_format_args(i));
benchmark::DoNotOptimize(str);
}
}
}
void StreamStdToStdOct(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
std::stringstream strm;
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end";
std::string str = strm.str();
benchmark::DoNotOptimize(str);
}
}
}
void FmtFormatComp(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
std::string str = fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i);
benchmark::DoNotOptimize(str);
}
}
}
void FmtFormat(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
std::string str = fmt::format("abcdefghihklmopqr {:#010o} end", i);
benchmark::DoNotOptimize(str);
}
}
}
void StdFormatSize(benchmark::State& state) {
for (auto _: state) {
for (unsigned i = 1; i <= 100'000; i *= 10) {
size_t len = std::formatted_size("abcdefghihklmopqr {:#010o} end", i);
std::string str;
str.resize_and_overwrite(len, [&](char* p, size_t) {
std::format_to_n(str.data(), len, "abcdefghihklmopqr {:#010o} end", i);
return len;
});
benchmark::DoNotOptimize(str);
}
}
}
BENCHMARK(__)->Name("---- format/vformat and subst/vsubst octal number to 32 symbols result ----")->Repetitions(1);
BENCHMARK(ConcatSimToSimOct) ->Name("\"abcdefghihklmopqr \"_ss + i / 0x8a010_fmt + \" end\"");
BENCHMARK(SubstSimToSimOct) ->Name("e_subst(\"abcdefghihklmopqr {} end\", i / 0x8a010_fmt)");
BENCHMARK(VSubstSimToSimOct) ->Name("e_vsubst(pattern, i / 0x8a010_fmt)");
BENCHMARK(FmtFormatComp) ->Name("fmt::format(FMT_COMPILE(\"abcdefghihklmopqr {:#010o} end\"), i)");
BENCHMARK(FmtFormat) ->Name("fmt::format(\"abcdefghihklmopqr {:#010o} end\", i)");
BENCHMARK(FormatStdToStdOct) ->Name("std::format(\"abcdefghihklmopqr {:#010o} end\", i)");
BENCHMARK(VFormatStdToStdOct) ->Name("std::vformat(pattern, std::make_format_args(i))");
BENCHMARK(StdFormatSize) ->Name("std::format with std::formatted_size");
BENCHMARK(StreamStdToStdOct) ->Name("strm << \"abcdefghihklmopqr 0\" << std::oct << std::setw(9) << std::setfill('0') << i << \" end\"");
void ConcatStdToStdS(benchmark::State& state) { void ConcatStdToStdS(benchmark::State& state) {
std::string s1 = "start "; std::string s1 = "start ";
@ -187,6 +494,10 @@ size_t find_pos_sim(ssa src, ssa name) {
return src.find(lstringa<200>{"\n- " + name + " -\n"}); return src.find(lstringa<200>{"\n- " + name + " -\n"});
} }
size_t find_pos_sz(sz::string_view src, sz::string_view name) {
return src.find(sz::string{"\n- "}.append(name).append(" -\n"));
}
//> size_t find_pos_str(std::string_view src, std::string_view name) { //> size_t find_pos_str(std::string_view src, std::string_view name) {
void FindConcatThreeStr(benchmark::State& state) { void FindConcatThreeStr(benchmark::State& state) {
std::string_view src = "sdfsdf\n- testtesttesttesttesttesttestte -\nsfrgdgfsg"; std::string_view src = "sdfsdf\n- testtesttesttesttesttesttestte -\nsfrgdgfsg";
@ -237,11 +548,27 @@ void FindConcatThreeSim(benchmark::State& state) {
#endif #endif
} }
} }
//> size_t find_pos_sz(sz::string_view src, sz::string_view name) {
void FindConcatThreeSz(benchmark::State& state) {
sz::string_view src = "sdfsdf\n- testtesttesttesttesttesttestte -\nsfrgdgfsg";
sz::string_view fnd = "testtesttesttesttesttesttestte";
for (auto _: state) {
benchmark::DoNotOptimize(src);
benchmark::DoNotOptimize(fnd);
size_t pos = find_pos_sz(src, fnd);
benchmark::DoNotOptimize(pos);
#ifdef CHECK_RESULT
if (pos != 6) {
state.SkipWithError("fail");
}
#endif
}
}
BENCHMARK(__)->Name("----- Find three concatenated string in string_view -----")->Repetitions(1); BENCHMARK(__)->Name("----- Find three concatenated string in string_view -----")->Repetitions(1);
BENCHMARK(FindConcatThreeStr)->Name("Find concat three std::string"); BENCHMARK(FindConcatThreeStr)->Name("Find concat three std::string");
BENCHMARK(FindConcatThreeExp)->Name("Find concat three strexpr"); BENCHMARK(FindConcatThreeExp)->Name("Find concat three strexpr");
BENCHMARK(FindConcatThreeSim)->Name("Find concat three simstr"); BENCHMARK(FindConcatThreeSim)->Name("Find concat three simstr");
BENCHMARK(FindConcatThreeSz) ->Name("Find concat three stringzilla string");
std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) { std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) {
std::string res{type_name}; std::string res{type_name};
@ -463,6 +790,7 @@ void Find(benchmark::State& state) {
} }
} }
BENCHMARK(__)->Name("----- Find 9 symbols text in end of 99 symbols text ---------")->Repetitions(1); BENCHMARK(__)->Name("----- Find 9 symbols text in end of 99 symbols text ---------")->Repetitions(1);
BENCHMARK(Find<sz::string>)->Name("sz::string::find;");
BENCHMARK(Find<std::string>) ->Name("std::string::find;"); BENCHMARK(Find<std::string>) ->Name("std::string::find;");
BENCHMARK(Find<std::string_view>) ->Name("std::string_view::find;"); BENCHMARK(Find<std::string_view>) ->Name("std::string_view::find;");
BENCHMARK(Find<ssa>) ->Name("ssa::find;"); BENCHMARK(Find<ssa>) ->Name("ssa::find;");
@ -610,7 +938,6 @@ void ToIntNoOverflow(benchmark::State& state, ssa t, int c) {
benchmark::DoNotOptimize(t); benchmark::DoNotOptimize(t);
} }
} }
BENCHMARK(__)->Name("----- Convert to int '1234567' ---------")->Repetitions(1); BENCHMARK(__)->Name("----- Convert to int '1234567' ---------")->Repetitions(1);
BENCHMARK_CAPTURE(ToIntStr10, , std::string{"123456789"}, 123456789) ->Name("std::string s = \"123456789\"; int res = std::strtol(s.c_str(), 0, 10);"); BENCHMARK_CAPTURE(ToIntStr10, , std::string{"123456789"}, 123456789) ->Name("std::string s = \"123456789\"; int res = std::strtol(s.c_str(), 0, 10);");
BENCHMARK_CAPTURE(ToIntFromChars10, , std::string_view{"123456789"}, 123456789) ->Name("std::string_view s = \"123456789\"; std::from_chars(s.data(), s.data() + s.size(), res, 10);"); BENCHMARK_CAPTURE(ToIntFromChars10, , std::string_view{"123456789"}, 123456789) ->Name("std::string_view s = \"123456789\"; std::from_chars(s.data(), s.data() + s.size(), res, 10);");
@ -645,11 +972,16 @@ void ToDoubleStr(benchmark::State& state, const std::string& s, double c) {
} }
} }
template<typename K = char>
void ToDoubleFromChars(benchmark::State& state, const std::string_view& s, double c) { void ToDoubleFromChars(benchmark::State& state, const std::string_view& s, double c) {
for (auto _: state) { for (auto _: state) {
double res = 0; double res = 0;
if (std::from_chars(s.data(), s.data() + s.size(), res).ec != std::errc{}) { if constexpr (requires { std::from_chars(std::declval<K*>(), std::declval<K*>(), std::declval<double&>()); }) {
state.SkipWithError("not equal"); if (std::from_chars((const K*)s.data(), (const K*)s.data() + s.size(), res).ec != std::errc{}) {
state.SkipWithError("not equal");
}
} else {
state.SkipWithError("not implemented");
} }
#ifdef CHECK_RESULT #ifdef CHECK_RESULT
if (res != c) { if (res != c) {
@ -1644,7 +1976,7 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
lstringa<2048> big_source{Count, source}, big_sample{Count, sample}; lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
for (auto _: state) { for (auto _: state) {
stringa result = e_repl(big_source.to_str(), "bb", "----"); stringa result = e_repl(big_source, "bb", "----");
#ifdef CHECK_RESULT #ifdef CHECK_RESULT
if (result.to_str() != big_sample) { if (result.to_str() != big_sample) {
@ -2295,8 +2627,65 @@ BENCHMARK(BuildFuncNameStream) ->Name("Build func full name std::stream;
BENCHMARK(BuildFuncNameSimStr) ->Name("Build func full name stringa;"); BENCHMARK(BuildFuncNameSimStr) ->Name("Build func full name stringa;");
BENCHMARK(BuildFuncNameSimStr1) ->Name("Build func full name stringa 1;"); BENCHMARK(BuildFuncNameSimStr1) ->Name("Build func full name stringa 1;");
void UpperCaseStd(benchmark::State& state) {
static const auto& loc = std::locale("en_US.utf8");
for (auto _: state) {
std::wstring test = L"TestПриветTest";
benchmark::DoNotOptimize(test);
std::transform(test.begin(), test.end(), test.begin(), [](wchar_t s) {
return std::toupper(s, loc);
});
benchmark::DoNotOptimize(test);
#ifdef CHECK_RESULT
if (test != L"TESTПРИВЕТTEST") {
state.SkipWithError("Bad upper case");
}
#endif
}
}
void UpperCaseSim(benchmark::State& state) {
for (auto _: state) {
lstringw<15> test = L"TestПриветTest";
benchmark::DoNotOptimize(test);
test.upper();
benchmark::DoNotOptimize(test);
#ifdef CHECK_RESULT
if (test != L"TESTПРИВЕТTEST") {
state.SkipWithError("Bad upper case");
}
#endif
}
}
BENCHMARK(__)->Name("----- Make Upper ---------")->Repetitions(1);
BENCHMARK(UpperCaseStd)->Name("To upper case std::wstring");
BENCHMARK(UpperCaseSim)->Name("To upper case lstringw<15>");
int main(int argc, char** argv) { int main(int argc, char** argv) {
char arg1[] = "--benchmark_repetitions=10", arg2[] = "--benchmark_report_aggregates_only=true"; std::cout << "Benchmarks of simstr, version " SIMSTR_VERSION << "\n"
<< "Sources: https://github.com/orefkov/simstr\n"
<< "Results: https://orefkov.github.io/simstr/results.html\n"
<< "Compiler " << CXX_COMPILER_ID << " " << CXX_COMPILER_VERSION
#ifdef _LIBCPP_VERSION
<< ", use libc++"
#endif
<< std::endl;
#ifdef EMSCRIPTEN
EM_ASM({ console.log(navigator.userAgent); });
if (argc == 2 && stra{argv[1]} == "-sync") {
do_sync = true;
argc = 1;
}
#endif
char arg1[] = "--benchmark_repetitions=4", arg2[] = "--benchmark_report_aggregates_only=true";
char* my_params[] = {argv[0], arg1, arg2}; char* my_params[] = {argv[0], arg1, arg2};
if (argc < 2) { if (argc < 2) {
argc = 3; argc = 3;
@ -2307,5 +2696,10 @@ int main(int argc, char** argv) {
return 1; return 1;
::benchmark::RunSpecifiedBenchmarks(); ::benchmark::RunSpecifiedBenchmarks();
::benchmark::Shutdown(); ::benchmark::Shutdown();
#ifdef EMSCRIPTEN
std::cout << "Done!\n";
EM_ASM({ on_done(); });
#endif
return 0; return 0;
} }

View File

@ -8,12 +8,22 @@ holds 23 characters in SSO instead of 15, so
at the end of the std::string test, memory has to be allocated, at the end of the std::string test, memory has to be allocated,
while in stringa , the entire test is included in SSO. while in stringa , the entire test is included in SSO.
- Concat email stringzilla concat
В stringzilla тоже есть конкатенация строковыми выражениями, но не
так удобна и развита, как в simstr.
Stringzilla also has concatenation by expression templates,
but it's not as convenient or advanced as simstr.
- Find concat three simstr - Find concat three simstr
Если результат конкатенации меньше 207 символов, Если результат конкатенации меньше 207 символов,
он собирается в буфере на стеке, без аллокации и деалокации. он собирается в буфере на стеке, без аллокации и деалокации.
If the concatenation result is less than 207 characters, If the concatenation result is less than 207 characters,
it is collected in a stack-based buffer, without allocation or deallocation. it is collected in a stack-based buffer, without allocation or deallocation.
- sz::string::find;
stringzilla более заточена на поиск больших строк в больших строках.
stringzilla is more focused on searching large strings within large strings.
- Concat with replace exp - Concat with replace exp
В simstr строковое выражение для замены подстрок В simstr строковое выражение для замены подстрок
есть "из коробки". есть "из коробки".
@ -147,7 +157,7 @@ However, Windows and Linux are clearly in different weight classes.
- std::string copy{str_with_len_N};/16 - std::string copy{str_with_len_N};/16
Явно виден скачок, где заканчивается SSO и начинается аллокация. Явно виден скачок, где заканчивается SSO и начинается аллокация.
Обратите внимание, что WASM - 32-битный, и там размер Обратите внимание, что WASM - 32-битный, и там размер
SSO у std::string меньше, насколько я помню, 11 символов + 0. SSO у std::string меньше, 10 символов + 0.
The jump where SSO ends and allocation begins is clearly visible. The jump where SSO ends and allocation begins is clearly visible.
Note that WASM is 32-bit, and the size of the SSO for std::string is Note that WASM is 32-bit, and the size of the SSO for std::string is
smaller, as far as I remember: 11 characters + 0. smaller, as far as I remember: 11 characters + 0.

View File

@ -0,0 +1,247 @@
<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>SimStr Benchmarks</title>
<style>
body {
margin: auto;
font-size: 12pt;
}
h2 {
text-align: center;
}
table {
border: 1px black;
text-align: right;
margin: auto;
}
table tr:nth-child(odd) {
background: #fff;
}
table tr:nth-child(even) {
background: #f2f2f2;
}
table th {
text-align: center;
}
.tooltip a:any-link {
text-decoration: none;
}
.tooltip a:link {
color: black;
}
.tooltip a:visited {
color: black;
}
.tooltip a:hover {
text-decoration: underline;
}
table tr:hover td {
background-color: lightcyan;
}
div.header {
max-width: 960px;
margin: 0 auto;
}
canvas {
max-width: 2000px;
margin: 0 auto;
}
.benchset {
max-width: 960px;
padding: 1px;
margin: 5px auto;
border-radius: 3px;
background-color: gainsboro;
}
.benchset h4 {
text-align: left;
padding-left: 20px;
}
.test_platforms {
margin: auto;
}
.test_platforms ul {
display: table;
}
.test_platforms li {
display: table-row;
}
.test_platforms li:before {
content: "\2022";
padding-right: 0.5em;
}
.test_platforms span.tooltip {
padding-left: 20px;
display: table-cell;
}
span.platform {
display: table-cell;
}
.info {
border-radius: 3px;
border: solid 1px lightgrey;
background-color: beige;
color: brown;
}
.code {
font-family: 'Cascadia Code', Consolas, 'Courier New', Courier, monospace;
}
.tooltip {
position: relative;
display: inline-block;
}
.tooltip .tooltiptext {
visibility: hidden;
background-color: beige;
color: black;
text-align: left;
border-radius: 6px;
padding: 15px;
position: absolute;
z-index: 1;
top: 35px;
right: 0;
white-space: pre;
border: 1px solid darkgray;
box-shadow: 4px 4px 8px 0px rgba(34, 60, 80, 0.2);
transform: translate(50%);
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
h4 {
text-align: center;
}
#output {
position: absolute;
left: 10px;
top: 50px;
right: 10px;
bottom: 60%;
margin: 0 auto;
border: 0;
display: block;
background-color: black;
color: white;
font-family: 'Cascadia Code', 'Consolas', 'Lucida Console', Monaco, monospace;
outline: none;
}
#results {
position: absolute;
left: 10px;
top: 42%;
right: 10px;
bottom: 10px;
margin: 0 auto;
border: 0;
overflow: auto;
}
div.head {
text-align: center;
}
div.head h3 {
margin: 0;
}
div.head span {
margin: 0;
}
</style>
</head>
<body>
<div class="head">
<h3>SimStr 1.8.1 Benchmark</h3>
<span><a href="https://orefkov.github.io/simstr/results.html" target="blank">All results</a></span>
<span><a href="https://github.com/orefkov/simstr/blob/main/bench/bench_str.cpp" target="blank">Sources for
benchmarks</a></span>
<textarea id="output"></textarea>
</div>
<div id="results"></div>
<script type='text/javascript'>
var outputElement = document.getElementById('output');
var resultEl = document.getElementById('results');
if (outputElement) outputElement.value = ''; // clear browser cache
var Module = {
print(...args) {
console.log(...args);
try {
var text = args.join(' ')
var m = text.match(/^--+ +(.+?) +-+\/repeats/);
if (m) {
add_benchset(m[1]);
} else {
var im = text.indexOf("_mean ");
if (im != -1) {
add_benchmark(text.substr(0, im), text.match(/ ([^ ]+?) ns/)[1]);
}
}
outputElement.value += text + "\n";
outputElement.scrollTop = outputElement.scrollHeight;
} catch (e) {
console.error(e);
}
}
};
var sync = new URLSearchParams(window.location.search).get('sync');
if (sync)
Module.arguments = ["-sync"];
function on_done() {
resultEl.scrollTop = 0;
}
function escapeHtml(unsafe) {
return unsafe
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}
function add_benchset(bs_name) {
resultEl.insertAdjacentHTML("beforeend", `<div class="benchset"><h4>${escapeHtml(bs_name)}</h4><table width="100%"><thead><tr><th>Benchmark name</th><th width="8%">Time(ns)</th></tr></thead><tbody></tbody></table></div>`);
resultEl.scrollTop = resultEl.scrollHeight;
}
function add_benchmark(name, result) {
resultEl.querySelector("div:last-child table tbody").insertAdjacentHTML("beforeend", `<tr><td>${escapeHtml(name)}</td><td>${result}</td></tr>`);
resultEl.scrollTop = resultEl.scrollHeight;
}
</script>
{{{ SCRIPT }}}
</body>
</html>

View File

@ -265,6 +265,7 @@
} }
}); });
</script> </script>
</head><body><div class="header"><h2>SimStr benchmarks results</h2> </head><body><div class="header"><h2>simstr benchmarks results</h2>
<div style="font-size:16pt;margin:20px;text-align:center"><a href="https://github.com/orefkov/simstr">simstr</a> is a powerful and convenient library for productive work with strings in C++.</div>
<span>All times in ns.</span> <span>All times in ns.</span>
<span><a href="https://github.com/orefkov/simstr/blob/main/bench/bench_str.cpp">Source for benchmarks</a></span> <span><a href="https://github.com/orefkov/simstr/blob/main/bench/bench_str.cpp">Source for benchmarks</a></span>

View File

@ -3,6 +3,7 @@
#include <fstream> #include <fstream>
#include <array> #include <array>
#include <algorithm> #include <algorithm>
#include <map>
using namespace simstr; using namespace simstr;
@ -37,7 +38,7 @@ struct result_info {
} }
// Текущее положение поставим сразу за cpuinfo и откинем завершающие переводы строк // Текущее положение поставим сразу за cpuinfo и откинем завершающие переводы строк
// We will put the current position immediately after cpuinfo and discard the final line feeds // We will put the current position immediately after cpuinfo and discard the final line feeds
current_text_ = current_text_(cpu_info_.end() - current_text_.begin() + 1).trimmed_right("\n"); current_text_ = current_text_.get(cpu_info_.end() - current_text_.begin() + 1, to_end).trimmed_right("\n");
} }
}; };
@ -95,11 +96,11 @@ results_vector get_results_infos() {
// В начале имени файла может идти число и дефис, для сортировки, уберём их // В начале имени файла может идти число и дефис, для сортировки, уберём их
// At the beginning of the file name there can be a number and a hyphen, for sorting, remove them // At the beginning of the file name there can be a number and a hyphen, for sorting, remove them
if (auto delimiter = fileName.find('-'); delimiter + 1 > 1) { if (auto delimiter = fileName.find('-'); delimiter + 1 > 1) {
if (fileName(0, delimiter).to_int<unsigned, false, 10, false, false>().ec == IntConvertResult::Success) { if (fileName.prefix(delimiter).to_int<unsigned, false, 10, false, false>().ec == IntConvertResult::Success) {
fileName.remove_prefix(delimiter + 1); fileName.remove_prefix(delimiter + 1);
} }
} }
results.emplace_back(get_file_content(lstringa<128>{dirForResults + f}), fileName(0, -suffix.length())); results.emplace_back(get_file_content(lstringa<128>{dirForResults + f}), fileName.get(0, from_end(suffix.length())));
} }
} }
return results; return results;
@ -116,8 +117,8 @@ void write_platforms_cpu(out_t& out, const results_vector& results) {
for (const auto& r : results) { for (const auto& r : results) {
size_t rp = r.cpu_info_.find('(') + 1, lp = r.cpu_info_.find(')', rp); size_t rp = r.cpu_info_.find('(') + 1, lp = r.cpu_info_.find(')', rp);
ssa shortCpuInfo = r.cpu_info_.from_to(rp, lp); ssa shortCpuInfo = r.cpu_info_.from_to(rp, lp);
ssa cpuInfo = r.cpu_info_(lp + 2); ssa cpuInfo = r.cpu_info_.get(lp + 2, to_end);
out.append_formatted(R"--( out += e_subst(R"--(
<li><span class="platform">{}</span><span class="tooltip">{}<span class="tooltiptext">{}</span></span>&nbsp;Include in charts: <input type="checkbox" id="pl{}" checked onchange="buildCharts()"/></li>)--", <li><span class="platform">{}</span><span class="tooltip">{}<span class="tooltiptext">{}</span></span>&nbsp;Include in charts: <input type="checkbox" id="pl{}" checked onchange="buildCharts()"/></li>)--",
r.platform_, shortCpuInfo, cpuInfo, counter++); r.platform_, shortCpuInfo, cpuInfo, counter++);
script += "'" + e_repl(r.platform_.to_str(), "'", "\\'") + "'" + e_choice(&r == &results.back(), "]", ","); script += "'" + e_repl(r.platform_.to_str(), "'", "\\'") + "'" + e_choice(&r == &results.back(), "]", ",");
@ -166,7 +167,7 @@ ssa extract_name_result(ssa line, ssa& result) {
line.len = ns; line.len = ns;
if (inNs) { if (inNs) {
size_t end = line.find_last(' '); size_t end = line.find_last(' ');
result = line(end + 1); result = line.get(end + 1, to_end);
if (auto rp = line.find("/repeats"); rp != str::npos) { if (auto rp = line.find("/repeats"); rp != str::npos) {
line.len = rp; line.len = rp;
} else { } else {
@ -181,57 +182,62 @@ ssa extract_name_result(ssa line, ssa& result) {
ssa extract_comment(ssa commentsText, ssa benchmarkName) { ssa extract_comment(ssa commentsText, ssa benchmarkName) {
size_t idx = commentsText.find_end(lstringa<120>{"- " + benchmarkName + "\n"}); size_t idx = commentsText.find_end(lstringa<120>{"- " + benchmarkName + "\n"});
if (idx != str::npos) { if (idx != str::npos) {
if (commentsText[idx] != '\n' && commentsText(idx, 2) != "- ") { if (commentsText[idx] != '\n' && commentsText.get(idx, 2) != "- ") {
return commentsText.from_to(idx, commentsText.find("\n\n", idx)); return commentsText.from_to(idx, commentsText.find("\n\n", idx));
} }
} }
return stra::empty_str; return stra::empty_str;
} }
void write_one_result(out_t& out, ssa result, ssa line, auto& script_text, bool last) { void write_one_result(out_t& out, ssa result, ssa line, auto& script_text, char delim) {
out += "<td class=\"benchmarkresult\">" + result + "</td>"; out += "<td class=\"benchmarkresult\">" + result + "</td>";
script_text += e_choice(result[0] == 'N', "NaN", result) + e_choice(last, "]", ","); script_text += e_choice(result[0] == 'N', "NaN", result) + delim;
} }
ssa extract_source_for_benchmark(ssa benchName, ssa sourceText) { std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceText) {
if (benchName == "ReplaceStr") { static hashStrMapA<std::pair<stringa, size_t>> textes;
int t = 0; static auto lines_pos = [&]() {
} std::map<size_t, size_t> l = {{0, 0}};
static hashStrMapA<stringa> textes; size_t line = 0;
sourceText.for_all_finded([&](size_t pos){
l.emplace(pos, ++line);
}, "\n");
return l;
}();
size_t delim = benchName.find_last('/'); size_t delim = benchName.find_last('/');
if (delim != str::npos && benchName(delim + 1).to_int<unsigned, false, 10, false, false>().ec == IntConvertResult::Success) { if (delim != str::npos && benchName.get(delim + 1, to_end).to_int<unsigned, false, 10, false, false>().ec == IntConvertResult::Success) {
benchName.len = delim; benchName.len = delim;
} }
auto [it, not_exist] = textes.try_emplace(benchName); auto [it, not_exist] = textes.try_emplace(benchName, stringa{}, 0);
if (not_exist) { if (not_exist) {
// Ищем имя функции для этого бенчмарка // Ищем имя функции для этого бенчмарка
// Looking for the name of the function for this benchmark // Looking for the name of the function for this benchmark
size_t start = sourceText.find(lstringa<128>{"->Name(\"" + e_repl(benchName, "\"", "\\\"") + "\")"}); size_t start = sourceText.find(lstringa<128>{"->Name(\"" + e_repl(benchName, "\"", "\\\"") + "\")"});
if (start == str::npos) { if (start == str::npos) {
std::cerr << "Can not found benchmark function name for " << benchName << std::endl; std::cerr << "Can not found benchmark function name for " << benchName << std::endl;
return stra::empty_str; return {stra::empty_str, 0};
} }
start = sourceText(0, start).find('(', sourceText.find_last('\n', start - 1)); start = sourceText.prefix(start).find('(', sourceText.find_last('\n', start - 1));
if (start == str::npos) { if (start == str::npos) {
std::cerr << "Can not found benchmark function name for " << benchName << std::endl; std::cerr << "Can not found benchmark function name for " << benchName << std::endl;
return stra::empty_str; return {stra::empty_str, 0};
} }
start++; start++;
size_t end = sourceText.find_first_of(")<,", start); size_t end = sourceText.find_first_of(")<,", start);
ssa funcName = sourceText.from_to(start, end); ssa funcName = sourceText.from_to(start, end);
auto [func_it, not_exist] = textes.try_emplace(funcName); auto [func_it, not_exist] = textes.try_emplace(funcName, stringa{}, 0);
if (not_exist) { if (not_exist) {
// Теперь ищем саму эту функцию // Теперь ищем саму эту функцию
// Now we look for this function itself // Now we look for this function itself
start = sourceText.find(lstringa<128>{funcName + "(benchmark::State"}); start = sourceText.find(lstringa<128>{funcName + "(benchmark::State"});
if (start == str::npos) { if (start == str::npos) {
std::cerr << "Can not found source function " << funcName << " for benchmark " << benchName << std::endl; std::cerr << "Can not found source function " << funcName << " for benchmark " << benchName << std::endl;
return stra::empty_str; return {stra::empty_str, 0};
} }
start = sourceText.find_last('\n', start); start = sourceText.find_last('\n', start);
size_t templ_start = sourceText.find_last('\n', start) + 1; size_t templ_start = sourceText.find_last('\n', start) + 1;
if (sourceText(templ_start).starts_with("template")) { if (sourceText.get(templ_start, to_end).starts_with("template")) {
start = templ_start; start = templ_start;
} else { } else {
start++; start++;
@ -255,18 +261,25 @@ ssa extract_source_for_benchmark(ssa benchName, ssa sourceText) {
throw std::runtime_error{"Not found end of func"}; throw std::runtime_error{"Not found end of func"};
} }
lstringa<2048> text{sourceText.from_to(beginLine, end + indent.length() + 1), indent, "\n"}; lstringa<2048> text{sourceText.from_to(beginLine, end + indent.length() + 1), indent, "\n"};
func_it->second = repl_html_symbols(text(1)); func_it->second.first = repl_html_symbols(text.get(1, to_end));
} else { } else {
end = sourceText.find("\n}\n", start); end = sourceText.find("\n}\n", start);
func_it->second = repl_html_symbols(sourceText.from_to(start, end + 2)); func_it->second.first = repl_html_symbols(sourceText.from_to(start, end + 2));
} }
func_it->second.second = lines_pos.lower_bound(start)->second;
} }
it->second = func_it->second; it->second = func_it->second;
} }
return it->second; return {it->second.first, it->second.second};
} }
void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText, ssa commentsText) { void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText, ssa commentsText) {
ssa releaseVersion = sourceText.get(sourceText.find_end("\n * ver. "), to_end).until("\n").trimmed();
if (!releaseVersion) {
std::cerr << "Not found release version in sources" << std::endl;
throw std::runtime_error{"Not found release version in sources"};
}
std::vector<Splitter<u8s>> splitters; std::vector<Splitter<u8s>> splitters;
splitters.reserve(results.size()); splitters.reserve(results.size());
@ -279,19 +292,19 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
while(!splitters[0].is_done()) { while(!splitters[0].is_done()) {
ssa line = splitters[0].next(), benchName, result; ssa line = splitters[0].next(), benchName, result;
if (auto rm = line.find("_mean"); rm != str::npos) { if (auto rm = line.find("_mean"); rm != str::npos) {
benchName = extract_name_result(line, result)(0, rm); benchName = extract_name_result(line, result).prefix(rm);
auto source = extract_source_for_benchmark(benchName, sourceText); auto [source, line_num] = extract_source_for_benchmark(benchName, sourceText);
auto comment = extract_comment(commentsText, benchName); auto comment = extract_comment(commentsText, benchName);
// Нужно вывести название бенча и коммент // Нужно вывести название бенча и коммент
// Need to display title and comment // Need to display title and comment
out += "\n<tr><td class=\"benchmarkname\"><span class=\"tooltip\">" + out += "\n<tr><td class=\"benchmarkname\"><span class=\"tooltip\"><a target=\"blank\" href=\"https://github.com/orefkov/simstr/blob/rel"
repl_html_symbols(benchName) + + releaseVersion + "/bench/bench_str.cpp#L" + line_num + "\">" + repl_html_symbols(benchName) +
"<span class=\"tooltiptext code\">" + "</a><span class=\"tooltiptext code\">" +
source + "</span></span></td><td>" + source + "</span></span></td><td>" +
e_if(!comment.is_empty(), "<span class=\"tooltip info\">&nbsp;>>&nbsp;<span class=\"tooltiptext\">" + comment + "</span></span>") + e_if(!comment.is_empty(), "<span class=\"tooltip info\">&nbsp;>>&nbsp;<span class=\"tooltiptext\">" + comment + "</span></span>") +
"</td>"; "</td>";
script_text += e_if(needCommaForTests, "},") + "\n{name:'" + e_repl(benchName.to_str(), "'", "\\'") + "',data:["; script_text += e_if(needCommaForTests, "},") + "\n{name:'" + e_repl(benchName, "'", "\\'") + "',data:[";
write_one_result(out, result, line, script_text, result.size() == 1); write_one_result(out, result, line, script_text, result.size() == 1 ? ']' : ',');
for (unsigned idx = 1; idx < results.size(); idx++) { for (unsigned idx = 1; idx < results.size(); idx++) {
if (splitters[idx].is_done()) { if (splitters[idx].is_done()) {
@ -299,19 +312,19 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
throw std::runtime_error{"Not expected end of file"}; throw std::runtime_error{"Not expected end of file"};
} }
line = splitters[idx].next(); line = splitters[idx].next();
ssa rbench_name = extract_name_result(line, result)(0, rm); ssa rbench_name = extract_name_result(line, result).prefix(rm);
if (rbench_name != benchName) { if (rbench_name != benchName) {
while (line.find("_mean") == str::npos && !splitters[idx].is_done()) { while (line.find("_mean") == str::npos && !splitters[idx].is_done()) {
line = splitters[idx].next(); line = splitters[idx].next();
} }
rbench_name = extract_name_result(line, result)(0, rm); rbench_name = extract_name_result(line, result).prefix(rm);
if (rbench_name != benchName) { if (rbench_name != benchName) {
std::cerr << "In results for " << results[idx].platform_ << " benchmark '" << rbench_name std::cerr << "In results for " << results[idx].platform_ << " benchmark '" << rbench_name
<< "' does not match with other results" << std::endl; << "' does not match with other results" << std::endl;
result = stra::empty_str; result = stra::empty_str;
} }
} }
write_one_result(out, result, line, script_text, idx == results.size() - 1); write_one_result(out, result, line, script_text, idx == results.size() - 1 ? ']' : ',');
} }
out += "</tr>"; out += "</tr>";
needCommaForTests = true; needCommaForTests = true;
@ -329,7 +342,7 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
write_benchset_header(out, results, benchName, ++benchSetId); write_benchset_header(out, results, benchName, ++benchSetId);
needFooter = true; needFooter = true;
needCommaForTests = false; needCommaForTests = false;
script_text = "bench_sets['" + e_repl(benchName.to_str(), "'", "\\'") + "'] = {id:'bs" + benchSetId +"', tests:["; script_text = "bench_sets['" + e_repl(benchName, "'", "\\'") + "'] = {id:'bs" + benchSetId +"', tests:[";
} }
// Эти строки надо пропустить во всех файлах // Эти строки надо пропустить во всех файлах
// These lines must be skipped in all files // These lines must be skipped in all files
@ -339,9 +352,6 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
throw std::runtime_error{"Not expected end of file"}; throw std::runtime_error{"Not expected end of file"};
} }
line = splitters[idx].next(); line = splitters[idx].next();
if (line.starts_with("std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv")) {
int t = 1;
}
} }
} }
if (needFooter) { if (needFooter) {

View File

@ -19,6 +19,19 @@ table th {
text-align: center; text-align: center;
} }
.tooltip a:any-link {
text-decoration: none;
}
.tooltip a:link {
color: black;
}
.tooltip a:visited {
color: black;
}
.tooltip a:hover {
text-decoration: underline;
}
table tr:hover td { table tr:hover td {
background-color: lightcyan; background-color: lightcyan;
} }

File diff suppressed because it is too large Load Diff

View File

@ -1,890 +0,0 @@
2026-01-29T21:42:24+03:00
Running ./benchStr
Run on (32 X 2494.22 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
Load Average: 0.00, 0.00, 0.00
***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 219 ns 219 ns 10
Concat std::string and number by std to std::string_median 219 ns 219 ns 10
Concat std::string and number by std to std::string_stddev 7.64 ns 7.64 ns 10
Concat std::string and number by std to std::string_cv 3.48 % 3.48 % 10
Concat std::string and number by StrExpr to std::string_mean 105 ns 105 ns 10
Concat std::string and number by StrExpr to std::string_median 106 ns 106 ns 10
Concat std::string and number by StrExpr to std::string_stddev 3.39 ns 3.39 ns 10
Concat std::string and number by StrExpr to std::string_cv 3.22 % 3.22 % 10
Concat stringa and number by StrExpr to simstr::stringa_mean 66.3 ns 66.3 ns 10
Concat stringa and number by StrExpr to simstr::stringa_median 65.7 ns 65.7 ns 10
Concat stringa and number by StrExpr to simstr::stringa_stddev 5.27 ns 5.27 ns 10
Concat stringa and number by StrExpr to simstr::stringa_cv 7.95 % 7.95 % 10
Concat stringa and number by e_concat to simstr::stringa_mean 68.8 ns 68.8 ns 10
Concat stringa and number by e_concat to simstr::stringa_median 68.7 ns 68.7 ns 10
Concat stringa and number by e_concat to simstr::stringa_stddev 2.59 ns 2.59 ns 10
Concat stringa and number by e_concat to simstr::stringa_cv 3.77 % 3.77 % 10
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and hex number by std to std::string_mean 861 ns 861 ns 10
Concat std::string and hex number by std to std::string_median 854 ns 854 ns 10
Concat std::string and hex number by std to std::string_stddev 27.1 ns 27.1 ns 10
Concat std::string and hex number by std to std::string_cv 3.14 % 3.14 % 10
Concat std::string and hex number by StrExpr to std::string_mean 86.4 ns 86.4 ns 10
Concat std::string and hex number by StrExpr to std::string_median 86.1 ns 86.1 ns 10
Concat std::string and hex number by StrExpr to std::string_stddev 1.94 ns 1.94 ns 10
Concat std::string and hex number by StrExpr to std::string_cv 2.25 % 2.25 % 10
Concat stringa and hex number by StrExpr to simstr::stringa_mean 75.8 ns 75.8 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_median 73.7 ns 73.7 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_stddev 5.87 ns 5.87 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_cv 7.75 % 7.75 % 10
Concat stringa and hex number by e_concat to simstr::stringa_mean 75.0 ns 75.0 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_median 74.7 ns 74.7 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_stddev 2.46 ns 2.46 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_cv 3.28 % 3.28 % 10
Concat stringa and hex number by e_subst to simstr::stringa_mean 150 ns 150 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_median 149 ns 149 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_stddev 2.62 ns 2.62 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_cv 1.76 % 1.76 % 10
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 45.2 ns 45.2 ns 10
Concat std::string by std to std::string_median 44.3 ns 44.3 ns 10
Concat std::string by std to std::string_stddev 2.46 ns 2.46 ns 10
Concat std::string by std to std::string_cv 5.44 % 5.44 % 10
Concat std::string by StrExpr to std::string_mean 33.9 ns 33.9 ns 10
Concat std::string by StrExpr to std::string_median 34.2 ns 34.2 ns 10
Concat std::string by StrExpr to std::string_stddev 1.25 ns 1.25 ns 10
Concat std::string by StrExpr to std::string_cv 3.70 % 3.70 % 10
Concat stringa by StrExpr to stringa_mean 29.1 ns 29.1 ns 10
Concat stringa by StrExpr to stringa_median 29.1 ns 29.1 ns 10
Concat stringa by StrExpr to stringa_stddev 0.746 ns 0.746 ns 10
Concat stringa by StrExpr to stringa_cv 2.57 % 2.57 % 10
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 112 ns 112 ns 10
Find concat three std::string_median 112 ns 112 ns 10
Find concat three std::string_stddev 4.77 ns 4.77 ns 10
Find concat three std::string_cv 4.27 % 4.27 % 10
Find concat three strexpr_mean 50.6 ns 50.6 ns 10
Find concat three strexpr_median 48.9 ns 48.9 ns 10
Find concat three strexpr_stddev 4.38 ns 4.38 ns 10
Find concat three strexpr_cv 8.65 % 8.65 % 10
Find concat three simstr_mean 22.8 ns 22.8 ns 10
Find concat three simstr_median 21.6 ns 21.6 ns 10
Find concat three simstr_stddev 3.57 ns 3.57 ns 10
Find concat three simstr_cv 15.69 % 15.69 % 10
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 7.17 ns 7.17 ns 10
BuildTypeNameStr 0/0_median 7.16 ns 7.16 ns 10
BuildTypeNameStr 0/0_stddev 0.171 ns 0.171 ns 10
BuildTypeNameStr 0/0_cv 2.39 % 2.39 % 10
BuildTypeNameExp 0/0_mean 6.73 ns 6.73 ns 10
BuildTypeNameExp 0/0_median 6.73 ns 6.73 ns 10
BuildTypeNameExp 0/0_stddev 0.126 ns 0.126 ns 10
BuildTypeNameExp 0/0_cv 1.87 % 1.87 % 10
BuildTypeNameSim 0/0_mean 5.57 ns 5.57 ns 10
BuildTypeNameSim 0/0_median 5.56 ns 5.56 ns 10
BuildTypeNameSim 0/0_stddev 0.263 ns 0.263 ns 10
BuildTypeNameSim 0/0_cv 4.72 % 4.72 % 10
BuildTypeNameStr 10/10_mean 57.2 ns 57.2 ns 10
BuildTypeNameStr 10/10_median 56.1 ns 56.1 ns 10
BuildTypeNameStr 10/10_stddev 2.44 ns 2.44 ns 10
BuildTypeNameStr 10/10_cv 4.25 % 4.25 % 10
BuildTypeNameExp 10/10_mean 31.1 ns 31.1 ns 10
BuildTypeNameExp 10/10_median 31.2 ns 31.2 ns 10
BuildTypeNameExp 10/10_stddev 0.983 ns 0.983 ns 10
BuildTypeNameExp 10/10_cv 3.16 % 3.16 % 10
BuildTypeNameSim 10/10_mean 24.7 ns 24.7 ns 10
BuildTypeNameSim 10/10_median 23.6 ns 23.6 ns 10
BuildTypeNameSim 10/10_stddev 2.07 ns 2.07 ns 10
BuildTypeNameSim 10/10_cv 8.41 % 8.41 % 10
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 202 ns 202 ns 10
Concat with replace str_median 199 ns 199 ns 10
Concat with replace str_stddev 12.0 ns 12.0 ns 10
Concat with replace str_cv 5.93 % 5.93 % 10
Concat with replace exp_mean 151 ns 151 ns 10
Concat with replace exp_median 150 ns 150 ns 10
Concat with replace exp_stddev 13.4 ns 13.4 ns 10
Concat with replace exp_cv 8.89 % 8.89 % 10
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.16 ns 1.16 ns 10
std::string e;_median 1.14 ns 1.14 ns 10
std::string e;_stddev 0.069 ns 0.069 ns 10
std::string e;_cv 5.95 % 5.95 % 10
std::string_view e;_mean 0.384 ns 0.384 ns 10
std::string_view e;_median 0.386 ns 0.386 ns 10
std::string_view e;_stddev 0.017 ns 0.017 ns 10
std::string_view e;_cv 4.36 % 4.36 % 10
ssa e;_mean 0.378 ns 0.378 ns 10
ssa e;_median 0.375 ns 0.375 ns 10
ssa e;_stddev 0.016 ns 0.016 ns 10
ssa e;_cv 4.10 % 4.10 % 10
stringa e;_mean 0.762 ns 0.762 ns 10
stringa e;_median 0.738 ns 0.738 ns 10
stringa e;_stddev 0.049 ns 0.049 ns 10
stringa e;_cv 6.40 % 6.40 % 10
lstringa<20> e;_mean 1.14 ns 1.14 ns 10
lstringa<20> e;_median 1.14 ns 1.14 ns 10
lstringa<20> e;_stddev 0.037 ns 0.037 ns 10
lstringa<20> e;_cv 3.27 % 3.27 % 10
lstringa<40> e;_mean 1.12 ns 1.12 ns 10
lstringa<40> e;_median 1.12 ns 1.12 ns 10
lstringa<40> e;_stddev 0.036 ns 0.036 ns 10
lstringa<40> e;_cv 3.24 % 3.24 % 10
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.84 ns 1.84 ns 10
std::string e = "Test text";_median 1.83 ns 1.83 ns 10
std::string e = "Test text";_stddev 0.049 ns 0.049 ns 10
std::string e = "Test text";_cv 2.68 % 2.68 % 10
std::string_view e = "Test text";_mean 0.739 ns 0.739 ns 10
std::string_view e = "Test text";_median 0.729 ns 0.729 ns 10
std::string_view e = "Test text";_stddev 0.020 ns 0.020 ns 10
std::string_view e = "Test text";_cv 2.72 % 2.72 % 10
ssa e = "Test text";_mean 0.369 ns 0.369 ns 10
ssa e = "Test text";_median 0.366 ns 0.366 ns 10
ssa e = "Test text";_stddev 0.013 ns 0.013 ns 10
ssa e = "Test text";_cv 3.47 % 3.47 % 10
stringa e = "Test text";_mean 1.15 ns 1.15 ns 10
stringa e = "Test text";_median 1.16 ns 1.16 ns 10
stringa e = "Test text";_stddev 0.053 ns 0.053 ns 10
stringa e = "Test text";_cv 4.61 % 4.61 % 10
lstringa<20> e = "Test text";_mean 1.94 ns 1.94 ns 10
lstringa<20> e = "Test text";_median 1.92 ns 1.92 ns 10
lstringa<20> e = "Test text";_stddev 0.064 ns 0.064 ns 10
lstringa<20> e = "Test text";_cv 3.31 % 3.31 % 10
lstringa<40> e = "Test text";_mean 1.88 ns 1.88 ns 10
lstringa<40> e = "Test text";_median 1.87 ns 1.87 ns 10
lstringa<40> e = "Test text";_stddev 0.055 ns 0.055 ns 10
lstringa<40> e = "Test text";_cv 2.93 % 2.93 % 10
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 19.6 ns 19.6 ns 10
std::string e = "123456789012345678901234567890";_median 19.4 ns 19.4 ns 10
std::string e = "123456789012345678901234567890";_stddev 0.396 ns 0.396 ns 10
std::string e = "123456789012345678901234567890";_cv 2.02 % 2.02 % 10
std::string_view e = "123456789012345678901234567890";_mean 0.771 ns 0.771 ns 10
std::string_view e = "123456789012345678901234567890";_median 0.755 ns 0.755 ns 10
std::string_view e = "123456789012345678901234567890";_stddev 0.049 ns 0.049 ns 10
std::string_view e = "123456789012345678901234567890";_cv 6.32 % 6.32 % 10
ssa e = "123456789012345678901234567890";_mean 0.382 ns 0.382 ns 10
ssa e = "123456789012345678901234567890";_median 0.377 ns 0.377 ns 10
ssa e = "123456789012345678901234567890";_stddev 0.022 ns 0.022 ns 10
ssa e = "123456789012345678901234567890";_cv 5.66 % 5.66 % 10
stringa e = "123456789012345678901234567890";_mean 1.13 ns 1.13 ns 10
stringa e = "123456789012345678901234567890";_median 1.12 ns 1.12 ns 10
stringa e = "123456789012345678901234567890";_stddev 0.046 ns 0.046 ns 10
stringa e = "123456789012345678901234567890";_cv 4.08 % 4.08 % 10
lstringa<20> e = "123456789012345678901234567890";_mean 24.3 ns 24.3 ns 10
lstringa<20> e = "123456789012345678901234567890";_median 23.9 ns 23.9 ns 10
lstringa<20> e = "123456789012345678901234567890";_stddev 3.08 ns 3.08 ns 10
lstringa<20> e = "123456789012345678901234567890";_cv 12.68 % 12.68 % 10
lstringa<40> e = "123456789012345678901234567890";_mean 2.60 ns 2.60 ns 10
lstringa<40> e = "123456789012345678901234567890";_median 2.60 ns 2.60 ns 10
lstringa<40> e = "123456789012345678901234567890";_stddev 0.067 ns 0.067 ns 10
lstringa<40> e = "123456789012345678901234567890";_cv 2.56 % 2.56 % 10
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 5.67 ns 5.67 ns 10
std::string e = "Test text"; auto c{e};_median 5.67 ns 5.67 ns 10
std::string e = "Test text"; auto c{e};_stddev 0.159 ns 0.159 ns 10
std::string e = "Test text"; auto c{e};_cv 2.80 % 2.80 % 10
std::string_view e = "Test text"; auto c{e};_mean 0.377 ns 0.377 ns 10
std::string_view e = "Test text"; auto c{e};_median 0.376 ns 0.376 ns 10
std::string_view e = "Test text"; auto c{e};_stddev 0.008 ns 0.008 ns 10
std::string_view e = "Test text"; auto c{e};_cv 2.24 % 2.24 % 10
ssa e = "Test text"; auto c{e};_mean 0.387 ns 0.387 ns 10
ssa e = "Test text"; auto c{e};_median 0.387 ns 0.387 ns 10
ssa e = "Test text"; auto c{e};_stddev 0.008 ns 0.008 ns 10
ssa e = "Test text"; auto c{e};_cv 2.00 % 2.00 % 10
stringa e = "Test text"; auto c{e};_mean 1.14 ns 1.14 ns 10
stringa e = "Test text"; auto c{e};_median 1.14 ns 1.14 ns 10
stringa e = "Test text"; auto c{e};_stddev 0.055 ns 0.055 ns 10
stringa e = "Test text"; auto c{e};_cv 4.80 % 4.80 % 10
lstringa<20> e = "Test text"; auto c{e};_mean 4.29 ns 4.29 ns 10
lstringa<20> e = "Test text"; auto c{e};_median 4.26 ns 4.26 ns 10
lstringa<20> e = "Test text"; auto c{e};_stddev 0.170 ns 0.170 ns 10
lstringa<20> e = "Test text"; auto c{e};_cv 3.97 % 3.97 % 10
lstringa<40> e = "Test text"; auto c{e};_mean 4.20 ns 4.20 ns 10
lstringa<40> e = "Test text"; auto c{e};_median 4.20 ns 4.20 ns 10
lstringa<40> e = "Test text"; auto c{e};_stddev 0.170 ns 0.170 ns 10
lstringa<40> e = "Test text"; auto c{e};_cv 4.05 % 4.05 % 10
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 21.2 ns 21.2 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_median 20.3 ns 20.3 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 2.42 ns 2.42 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_cv 11.40 % 11.40 % 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.737 ns 0.737 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.728 ns 0.728 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.024 ns 0.024 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 3.24 % 3.24 % 10
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.379 ns 0.379 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.377 ns 0.377 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.016 ns 0.016 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_cv 4.14 % 4.14 % 10
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.13 ns 1.13 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.13 ns 1.13 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.036 ns 0.036 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_cv 3.20 % 3.20 % 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 20.7 ns 20.7 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 20.5 ns 20.5 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 1.08 ns 1.08 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 5.23 % 5.23 % 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.48 ns 4.48 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.43 ns 4.43 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.125 ns 0.125 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 2.79 % 2.79 % 10
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find;_mean 8.53 ns 8.53 ns 10
std::string::find;_median 8.27 ns 8.27 ns 10
std::string::find;_stddev 1.14 ns 1.14 ns 10
std::string::find;_cv 13.40 % 13.40 % 10
std::string_view::find;_mean 7.92 ns 7.92 ns 10
std::string_view::find;_median 7.88 ns 7.88 ns 10
std::string_view::find;_stddev 0.268 ns 0.268 ns 10
std::string_view::find;_cv 3.38 % 3.38 % 10
ssa::find;_mean 7.08 ns 7.08 ns 10
ssa::find;_median 6.99 ns 6.99 ns 10
ssa::find;_stddev 0.395 ns 0.395 ns 10
ssa::find;_cv 5.57 % 5.57 % 10
stringa::find;_mean 7.65 ns 7.65 ns 10
stringa::find;_median 7.61 ns 7.61 ns 10
stringa::find;_stddev 0.347 ns 0.347 ns 10
stringa::find;_cv 4.54 % 4.54 % 10
lstringa<20>::find;_mean 7.06 ns 7.06 ns 10
lstringa<20>::find;_median 7.07 ns 7.07 ns 10
lstringa<20>::find;_stddev 0.276 ns 0.276 ns 10
lstringa<20>::find;_cv 3.90 % 3.90 % 10
lstringa<40>::find;_mean 6.79 ns 6.79 ns 10
lstringa<40>::find;_median 6.70 ns 6.70 ns 10
lstringa<40>::find;_stddev 0.234 ns 0.234 ns 10
lstringa<40>::find;_cv 3.45 % 3.45 % 10
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 4.98 ns 4.98 ns 10
std::string copy{str_with_len_N};/15_median 4.86 ns 4.86 ns 10
std::string copy{str_with_len_N};/15_stddev 0.463 ns 0.463 ns 10
std::string copy{str_with_len_N};/15_cv 9.28 % 9.28 % 10
std::string copy{str_with_len_N};/16_mean 23.5 ns 23.5 ns 10
std::string copy{str_with_len_N};/16_median 23.1 ns 23.1 ns 10
std::string copy{str_with_len_N};/16_stddev 1.60 ns 1.60 ns 10
std::string copy{str_with_len_N};/16_cv 6.83 % 6.83 % 10
std::string copy{str_with_len_N};/23_mean 23.1 ns 23.1 ns 10
std::string copy{str_with_len_N};/23_median 22.8 ns 22.8 ns 10
std::string copy{str_with_len_N};/23_stddev 1.17 ns 1.17 ns 10
std::string copy{str_with_len_N};/23_cv 5.07 % 5.07 % 10
std::string copy{str_with_len_N};/24_mean 23.1 ns 23.1 ns 10
std::string copy{str_with_len_N};/24_median 22.7 ns 22.7 ns 10
std::string copy{str_with_len_N};/24_stddev 1.30 ns 1.30 ns 10
std::string copy{str_with_len_N};/24_cv 5.62 % 5.62 % 10
std::string copy{str_with_len_N};/32_mean 25.3 ns 25.3 ns 10
std::string copy{str_with_len_N};/32_median 24.8 ns 24.8 ns 10
std::string copy{str_with_len_N};/32_stddev 2.23 ns 2.23 ns 10
std::string copy{str_with_len_N};/32_cv 8.81 % 8.81 % 10
std::string copy{str_with_len_N};/64_mean 22.7 ns 22.7 ns 10
std::string copy{str_with_len_N};/64_median 22.4 ns 22.4 ns 10
std::string copy{str_with_len_N};/64_stddev 0.714 ns 0.714 ns 10
std::string copy{str_with_len_N};/64_cv 3.15 % 3.15 % 10
std::string copy{str_with_len_N};/128_mean 25.8 ns 25.8 ns 10
std::string copy{str_with_len_N};/128_median 25.3 ns 25.3 ns 10
std::string copy{str_with_len_N};/128_stddev 1.81 ns 1.81 ns 10
std::string copy{str_with_len_N};/128_cv 7.01 % 7.01 % 10
std::string copy{str_with_len_N};/256_mean 24.6 ns 24.6 ns 10
std::string copy{str_with_len_N};/256_median 24.4 ns 24.4 ns 10
std::string copy{str_with_len_N};/256_stddev 0.598 ns 0.598 ns 10
std::string copy{str_with_len_N};/256_cv 2.43 % 2.43 % 10
std::string copy{str_with_len_N};/512_mean 28.6 ns 28.6 ns 10
std::string copy{str_with_len_N};/512_median 28.3 ns 28.3 ns 10
std::string copy{str_with_len_N};/512_stddev 0.884 ns 0.884 ns 10
std::string copy{str_with_len_N};/512_cv 3.09 % 3.09 % 10
std::string copy{str_with_len_N};/1024_mean 47.0 ns 47.0 ns 10
std::string copy{str_with_len_N};/1024_median 46.2 ns 46.2 ns 10
std::string copy{str_with_len_N};/1024_stddev 1.46 ns 1.46 ns 10
std::string copy{str_with_len_N};/1024_cv 3.11 % 3.11 % 10
std::string copy{str_with_len_N};/2048_mean 124 ns 124 ns 10
std::string copy{str_with_len_N};/2048_median 124 ns 124 ns 10
std::string copy{str_with_len_N};/2048_stddev 8.58 ns 8.58 ns 10
std::string copy{str_with_len_N};/2048_cv 6.94 % 6.94 % 10
std::string copy{str_with_len_N};/4096_mean 168 ns 168 ns 10
std::string copy{str_with_len_N};/4096_median 164 ns 164 ns 10
std::string copy{str_with_len_N};/4096_stddev 11.7 ns 11.7 ns 10
std::string copy{str_with_len_N};/4096_cv 7.01 % 7.01 % 10
stringa copy{str_with_len_N};/15_mean 1.10 ns 1.10 ns 10
stringa copy{str_with_len_N};/15_median 1.10 ns 1.10 ns 10
stringa copy{str_with_len_N};/15_stddev 0.023 ns 0.023 ns 10
stringa copy{str_with_len_N};/15_cv 2.06 % 2.06 % 10
stringa copy{str_with_len_N};/16_mean 1.11 ns 1.11 ns 10
stringa copy{str_with_len_N};/16_median 1.12 ns 1.12 ns 10
stringa copy{str_with_len_N};/16_stddev 0.020 ns 0.020 ns 10
stringa copy{str_with_len_N};/16_cv 1.82 % 1.82 % 10
stringa copy{str_with_len_N};/23_mean 1.12 ns 1.12 ns 10
stringa copy{str_with_len_N};/23_median 1.11 ns 1.11 ns 10
stringa copy{str_with_len_N};/23_stddev 0.053 ns 0.053 ns 10
stringa copy{str_with_len_N};/23_cv 4.72 % 4.72 % 10
stringa copy{str_with_len_N};/24_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/24_median 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/24_stddev 0.228 ns 0.228 ns 10
stringa copy{str_with_len_N};/24_cv 1.41 % 1.41 % 10
stringa copy{str_with_len_N};/32_mean 16.0 ns 16.0 ns 10
stringa copy{str_with_len_N};/32_median 16.0 ns 16.0 ns 10
stringa copy{str_with_len_N};/32_stddev 0.161 ns 0.161 ns 10
stringa copy{str_with_len_N};/32_cv 1.00 % 1.00 % 10
stringa copy{str_with_len_N};/64_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/64_median 15.9 ns 15.9 ns 10
stringa copy{str_with_len_N};/64_stddev 0.400 ns 0.400 ns 10
stringa copy{str_with_len_N};/64_cv 2.48 % 2.48 % 10
stringa copy{str_with_len_N};/128_mean 16.3 ns 16.3 ns 10
stringa copy{str_with_len_N};/128_median 16.3 ns 16.3 ns 10
stringa copy{str_with_len_N};/128_stddev 0.312 ns 0.312 ns 10
stringa copy{str_with_len_N};/128_cv 1.91 % 1.91 % 10
stringa copy{str_with_len_N};/256_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/256_median 16.0 ns 16.0 ns 10
stringa copy{str_with_len_N};/256_stddev 0.202 ns 0.202 ns 10
stringa copy{str_with_len_N};/256_cv 1.26 % 1.26 % 10
stringa copy{str_with_len_N};/512_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/512_median 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/512_stddev 0.129 ns 0.129 ns 10
stringa copy{str_with_len_N};/512_cv 0.80 % 0.80 % 10
stringa copy{str_with_len_N};/1024_mean 16.2 ns 16.2 ns 10
stringa copy{str_with_len_N};/1024_median 16.2 ns 16.2 ns 10
stringa copy{str_with_len_N};/1024_stddev 0.215 ns 0.215 ns 10
stringa copy{str_with_len_N};/1024_cv 1.33 % 1.33 % 10
stringa copy{str_with_len_N};/2048_mean 16.2 ns 16.2 ns 10
stringa copy{str_with_len_N};/2048_median 16.2 ns 16.2 ns 10
stringa copy{str_with_len_N};/2048_stddev 0.230 ns 0.230 ns 10
stringa copy{str_with_len_N};/2048_cv 1.43 % 1.43 % 10
stringa copy{str_with_len_N};/4096_mean 16.5 ns 16.5 ns 10
stringa copy{str_with_len_N};/4096_median 16.4 ns 16.4 ns 10
stringa copy{str_with_len_N};/4096_stddev 0.442 ns 0.442 ns 10
stringa copy{str_with_len_N};/4096_cv 2.68 % 2.68 % 10
lstringa<16> copy{str_with_len_N};/15_mean 4.72 ns 4.72 ns 10
lstringa<16> copy{str_with_len_N};/15_median 4.58 ns 4.58 ns 10
lstringa<16> copy{str_with_len_N};/15_stddev 0.484 ns 0.484 ns 10
lstringa<16> copy{str_with_len_N};/15_cv 10.25 % 10.25 % 10
lstringa<16> copy{str_with_len_N};/16_mean 4.56 ns 4.56 ns 10
lstringa<16> copy{str_with_len_N};/16_median 4.59 ns 4.59 ns 10
lstringa<16> copy{str_with_len_N};/16_stddev 0.086 ns 0.086 ns 10
lstringa<16> copy{str_with_len_N};/16_cv 1.88 % 1.88 % 10
lstringa<16> copy{str_with_len_N};/23_mean 4.73 ns 4.73 ns 10
lstringa<16> copy{str_with_len_N};/23_median 4.59 ns 4.59 ns 10
lstringa<16> copy{str_with_len_N};/23_stddev 0.475 ns 0.475 ns 10
lstringa<16> copy{str_with_len_N};/23_cv 10.05 % 10.05 % 10
lstringa<16> copy{str_with_len_N};/24_mean 25.6 ns 25.6 ns 10
lstringa<16> copy{str_with_len_N};/24_median 24.9 ns 24.9 ns 10
lstringa<16> copy{str_with_len_N};/24_stddev 1.86 ns 1.86 ns 10
lstringa<16> copy{str_with_len_N};/24_cv 7.29 % 7.29 % 10
lstringa<16> copy{str_with_len_N};/32_mean 24.1 ns 24.1 ns 10
lstringa<16> copy{str_with_len_N};/32_median 24.0 ns 24.0 ns 10
lstringa<16> copy{str_with_len_N};/32_stddev 0.967 ns 0.967 ns 10
lstringa<16> copy{str_with_len_N};/32_cv 4.01 % 4.01 % 10
lstringa<16> copy{str_with_len_N};/64_mean 25.5 ns 25.5 ns 10
lstringa<16> copy{str_with_len_N};/64_median 25.2 ns 25.2 ns 10
lstringa<16> copy{str_with_len_N};/64_stddev 0.977 ns 0.977 ns 10
lstringa<16> copy{str_with_len_N};/64_cv 3.82 % 3.82 % 10
lstringa<16> copy{str_with_len_N};/128_mean 29.0 ns 29.0 ns 10
lstringa<16> copy{str_with_len_N};/128_median 29.0 ns 29.0 ns 10
lstringa<16> copy{str_with_len_N};/128_stddev 3.03 ns 3.03 ns 10
lstringa<16> copy{str_with_len_N};/128_cv 10.44 % 10.44 % 10
lstringa<16> copy{str_with_len_N};/256_mean 27.2 ns 27.2 ns 10
lstringa<16> copy{str_with_len_N};/256_median 27.0 ns 27.0 ns 10
lstringa<16> copy{str_with_len_N};/256_stddev 0.851 ns 0.851 ns 10
lstringa<16> copy{str_with_len_N};/256_cv 3.13 % 3.13 % 10
lstringa<16> copy{str_with_len_N};/512_mean 30.4 ns 30.4 ns 10
lstringa<16> copy{str_with_len_N};/512_median 29.7 ns 29.7 ns 10
lstringa<16> copy{str_with_len_N};/512_stddev 2.05 ns 2.05 ns 10
lstringa<16> copy{str_with_len_N};/512_cv 6.75 % 6.75 % 10
lstringa<16> copy{str_with_len_N};/1024_mean 105 ns 105 ns 10
lstringa<16> copy{str_with_len_N};/1024_median 105 ns 105 ns 10
lstringa<16> copy{str_with_len_N};/1024_stddev 17.4 ns 17.4 ns 10
lstringa<16> copy{str_with_len_N};/1024_cv 16.65 % 16.65 % 10
lstringa<16> copy{str_with_len_N};/2048_mean 120 ns 120 ns 10
lstringa<16> copy{str_with_len_N};/2048_median 124 ns 124 ns 10
lstringa<16> copy{str_with_len_N};/2048_stddev 13.8 ns 13.8 ns 10
lstringa<16> copy{str_with_len_N};/2048_cv 11.51 % 11.51 % 10
lstringa<16> copy{str_with_len_N};/4096_mean 134 ns 134 ns 10
lstringa<16> copy{str_with_len_N};/4096_median 132 ns 132 ns 10
lstringa<16> copy{str_with_len_N};/4096_stddev 11.0 ns 11.0 ns 10
lstringa<16> copy{str_with_len_N};/4096_cv 8.20 % 8.20 % 10
lstringa<512> copy{str_with_len_N};/15_mean 4.93 ns 4.93 ns 10
lstringa<512> copy{str_with_len_N};/15_median 4.90 ns 4.90 ns 10
lstringa<512> copy{str_with_len_N};/15_stddev 0.296 ns 0.296 ns 10
lstringa<512> copy{str_with_len_N};/15_cv 6.01 % 6.01 % 10
lstringa<512> copy{str_with_len_N};/16_mean 5.05 ns 5.05 ns 10
lstringa<512> copy{str_with_len_N};/16_median 4.97 ns 4.97 ns 10
lstringa<512> copy{str_with_len_N};/16_stddev 0.334 ns 0.334 ns 10
lstringa<512> copy{str_with_len_N};/16_cv 6.61 % 6.61 % 10
lstringa<512> copy{str_with_len_N};/23_mean 5.29 ns 5.29 ns 10
lstringa<512> copy{str_with_len_N};/23_median 5.18 ns 5.18 ns 10
lstringa<512> copy{str_with_len_N};/23_stddev 0.438 ns 0.438 ns 10
lstringa<512> copy{str_with_len_N};/23_cv 8.27 % 8.27 % 10
lstringa<512> copy{str_with_len_N};/24_mean 5.07 ns 5.07 ns 10
lstringa<512> copy{str_with_len_N};/24_median 4.89 ns 4.89 ns 10
lstringa<512> copy{str_with_len_N};/24_stddev 0.533 ns 0.533 ns 10
lstringa<512> copy{str_with_len_N};/24_cv 10.51 % 10.51 % 10
lstringa<512> copy{str_with_len_N};/32_mean 4.54 ns 4.54 ns 10
lstringa<512> copy{str_with_len_N};/32_median 4.48 ns 4.48 ns 10
lstringa<512> copy{str_with_len_N};/32_stddev 0.147 ns 0.147 ns 10
lstringa<512> copy{str_with_len_N};/32_cv 3.25 % 3.25 % 10
lstringa<512> copy{str_with_len_N};/64_mean 6.08 ns 6.08 ns 10
lstringa<512> copy{str_with_len_N};/64_median 5.99 ns 5.99 ns 10
lstringa<512> copy{str_with_len_N};/64_stddev 0.258 ns 0.258 ns 10
lstringa<512> copy{str_with_len_N};/64_cv 4.25 % 4.25 % 10
lstringa<512> copy{str_with_len_N};/128_mean 6.39 ns 6.39 ns 10
lstringa<512> copy{str_with_len_N};/128_median 6.41 ns 6.41 ns 10
lstringa<512> copy{str_with_len_N};/128_stddev 0.132 ns 0.132 ns 10
lstringa<512> copy{str_with_len_N};/128_cv 2.07 % 2.07 % 10
lstringa<512> copy{str_with_len_N};/256_mean 8.42 ns 8.42 ns 10
lstringa<512> copy{str_with_len_N};/256_median 8.12 ns 8.12 ns 10
lstringa<512> copy{str_with_len_N};/256_stddev 0.746 ns 0.746 ns 10
lstringa<512> copy{str_with_len_N};/256_cv 8.85 % 8.85 % 10
lstringa<512> copy{str_with_len_N};/512_mean 11.5 ns 11.5 ns 10
lstringa<512> copy{str_with_len_N};/512_median 11.4 ns 11.4 ns 10
lstringa<512> copy{str_with_len_N};/512_stddev 0.398 ns 0.398 ns 10
lstringa<512> copy{str_with_len_N};/512_cv 3.46 % 3.46 % 10
lstringa<512> copy{str_with_len_N};/1024_mean 94.1 ns 94.1 ns 10
lstringa<512> copy{str_with_len_N};/1024_median 99.1 ns 99.1 ns 10
lstringa<512> copy{str_with_len_N};/1024_stddev 10.4 ns 10.4 ns 10
lstringa<512> copy{str_with_len_N};/1024_cv 11.10 % 11.10 % 10
lstringa<512> copy{str_with_len_N};/2048_mean 112 ns 112 ns 10
lstringa<512> copy{str_with_len_N};/2048_median 115 ns 115 ns 10
lstringa<512> copy{str_with_len_N};/2048_stddev 11.1 ns 11.1 ns 10
lstringa<512> copy{str_with_len_N};/2048_cv 9.89 % 9.89 % 10
lstringa<512> copy{str_with_len_N};/4096_mean 129 ns 129 ns 10
lstringa<512> copy{str_with_len_N};/4096_median 128 ns 128 ns 10
lstringa<512> copy{str_with_len_N};/4096_stddev 9.90 ns 9.90 ns 10
lstringa<512> copy{str_with_len_N};/4096_cv 7.69 % 7.69 % 10
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 26.8 ns 26.8 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 26.8 ns 26.8 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.657 ns 0.657 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.45 % 2.45 % 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 15.0 ns 15.0 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 15.0 ns 15.0 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.419 ns 0.419 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.79 % 2.79 % 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 12.6 ns 12.6 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 12.5 ns 12.5 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.332 ns 0.332 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.63 % 2.63 % 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 12.6 ns 12.6 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 12.4 ns 12.4 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.694 ns 0.694 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 5.52 % 5.52 % 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 12.3 ns 12.3 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 12.2 ns 12.2 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.340 ns 0.340 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.78 % 2.78 % 10
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 23.4 ns 23.4 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.2 ns 23.2 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.586 ns 0.586 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.50 % 2.50 % 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.80 ns 9.80 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.53 ns 9.53 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.691 ns 0.691 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 7.05 % 7.05 % 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.5 ns 12.5 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.5 ns 12.5 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.229 ns 0.229 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.83 % 1.83 % 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.6 ns 12.6 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.5 ns 12.5 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.354 ns 0.354 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 2.81 % 2.81 % 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 13.0 ns 13.0 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.6 ns 12.6 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.789 ns 0.789 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 6.06 % 6.06 % 10
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 29.7 ns 29.7 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 29.0 ns 29.0 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 2.44 ns 2.44 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 8.22 % 8.22 % 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 18.3 ns 18.3 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 18.3 ns 18.3 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.336 ns 0.336 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 1.83 % 1.83 % 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 15.0 ns 15.0 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 15.0 ns 15.0 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.355 ns 0.355 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 2.36 % 2.36 % 10
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 64.7 ns 64.7 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 63.7 ns 63.7 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 2.43 ns 2.43 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 3.75 % 3.75 % 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 27.5 ns 27.5 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 26.0 ns 26.0 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 3.09 ns 3.09 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 11.25 % 11.25 % 10
ssa s = "1234.567e10"; double res = *s.to_double()_mean 26.1 ns 26.1 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_median 25.7 ns 25.7 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.987 ns 0.987 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_cv 3.79 % 3.79 % 10
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1587 ns 1587 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_median 1593 ns 1593 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 94.3 ns 94.3 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 5.94 % 5.94 % 10
std::string str; ... str += "abbaabbaabbaabba";_mean 378 ns 378 ns 10
std::string str; ... str += "abbaabbaabbaabba";_median 371 ns 371 ns 10
std::string str; ... str += "abbaabbaabbaabba";_stddev 19.9 ns 19.9 ns 10
std::string str; ... str += "abbaabbaabbaabba";_cv 5.26 % 5.26 % 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 402 ns 402 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 400 ns 400 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 23.5 ns 23.5 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 5.86 % 5.86 % 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 264 ns 264 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 262 ns 262 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 11.1 ns 11.1 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 4.22 % 4.22 % 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 257 ns 257 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 257 ns 257 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 15.2 ns 15.2 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 5.90 % 5.90 % 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 157 ns 157 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 154 ns 154 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 7.74 ns 7.74 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 4.93 % 4.93 % 10
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1441 ns 1441 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1425 ns 1425 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 40.6 ns 40.6 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.81 % 2.81 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1266 ns 1266 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1233 ns 1233 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 98.9 ns 98.9 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 7.81 % 7.81 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 482 ns 482 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 470 ns 470 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 30.8 ns 30.8 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.38 % 6.38 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 366 ns 366 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 349 ns 349 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 38.6 ns 38.6 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 10.54 % 10.54 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 325 ns 325 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 320 ns 320 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 19.7 ns 19.7 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.05 % 6.05 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 235 ns 235 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 233 ns 233 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 3.61 ns 3.61 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.54 % 1.54 % 10
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 75359 ns 75359 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 75326 ns 75326 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 2344 ns 2344 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.11 % 3.11 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 75620 ns 75620 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 75688 ns 75688 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1479 ns 1479 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.96 % 1.96 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18777 ns 18777 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18725 ns 18725 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 512 ns 512 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.73 % 2.73 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 20186 ns 20186 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 20050 ns 20050 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2408 ns 2408 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 11.93 % 11.93 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16028 ns 16028 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 15991 ns 15991 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 363 ns 363 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.26 % 2.26 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 15798 ns 15798 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 15807 ns 15807 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 472 ns 472 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.99 % 2.99 % 10
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 1439 ns 1439 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_median 1434 ns 1434 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_stddev 41.3 ns 41.3 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_cv 2.87 % 2.87 % 10
std::string str; ... str += str_var1 + str_var2;_mean 1398 ns 1398 ns 10
std::string str; ... str += str_var1 + str_var2;_median 1402 ns 1402 ns 10
std::string str; ... str += str_var1 + str_var2;_stddev 49.6 ns 49.6 ns 10
std::string str; ... str += str_var1 + str_var2;_cv 3.55 % 3.55 % 10
lstringa<16> str; ... str += str_var1 + str_var2;_mean 540 ns 540 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_median 525 ns 525 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 44.6 ns 44.6 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_cv 8.26 % 8.26 % 10
lstringa<128> str; ... str += str_var1 + str_var2;_mean 465 ns 465 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_median 466 ns 466 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 14.6 ns 14.6 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_cv 3.14 % 3.14 % 10
lstringa<512> str; ... str += str_var1 + str_var2;_mean 398 ns 398 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_median 397 ns 397 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 19.7 ns 19.7 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_cv 4.94 % 4.94 % 10
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 323 ns 323 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_median 308 ns 308 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 34.8 ns 34.8 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 10.77 % 10.77 % 10
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 3053 ns 3053 ns 10
std::stringstream str; str << "test = " << k << " times";_median 3054 ns 3054 ns 10
std::stringstream str; str << "test = " << k << " times";_stddev 76.1 ns 76.1 ns 10
std::stringstream str; str << "test = " << k << " times";_cv 2.49 % 2.49 % 10
std::string str = "test = " + std::to_string(k) + " times";_mean 479 ns 479 ns 10
std::string str = "test = " + std::to_string(k) + " times";_median 472 ns 472 ns 10
std::string str = "test = " + std::to_string(k) + " times";_stddev 21.1 ns 21.1 ns 10
std::string str = "test = " + std::to_string(k) + " times";_cv 4.39 % 4.39 % 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1412 ns 1412 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1394 ns 1394 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 60.3 ns 60.3 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 4.27 % 4.27 % 10
std::string str = std::format("test = {} times", k);_mean 1208 ns 1208 ns 10
std::string str = std::format("test = {} times", k);_median 1179 ns 1179 ns 10
std::string str = std::format("test = {} times", k);_stddev 67.9 ns 67.9 ns 10
std::string str = std::format("test = {} times", k);_cv 5.62 % 5.62 % 10
lstringa<8> str; str.format("test = {} times", k);_mean 1379 ns 1379 ns 10
lstringa<8> str; str.format("test = {} times", k);_median 1399 ns 1399 ns 10
lstringa<8> str; str.format("test = {} times", k);_stddev 53.1 ns 53.1 ns 10
lstringa<8> str; str.format("test = {} times", k);_cv 3.85 % 3.85 % 10
lstringa<32> str; str.format("test = {} times", k);_mean 1079 ns 1079 ns 10
lstringa<32> str; str.format("test = {} times", k);_median 1081 ns 1081 ns 10
lstringa<32> str; str.format("test = {} times", k);_stddev 42.4 ns 42.4 ns 10
lstringa<32> str; str.format("test = {} times", k);_cv 3.93 % 3.93 % 10
lstringa<8> str = "test = " + k + " times";_mean 313 ns 313 ns 10
lstringa<8> str = "test = " + k + " times";_median 311 ns 311 ns 10
lstringa<8> str = "test = " + k + " times";_stddev 34.1 ns 34.1 ns 10
lstringa<8> str = "test = " + k + " times";_cv 10.90 % 10.90 % 10
lstringa<32> str = "test = " + k + " times";_mean 154 ns 154 ns 10
lstringa<32> str = "test = " + k + " times";_median 155 ns 155 ns 10
lstringa<32> str = "test = " + k + " times";_stddev 3.82 ns 3.82 ns 10
lstringa<32> str = "test = " + k + " times";_cv 2.48 % 2.48 % 10
stringa str = "test = " + k + " times";_mean 145 ns 145 ns 10
stringa str = "test = " + k + " times";_median 143 ns 143 ns 10
stringa str = "test = " + k + " times";_stddev 4.31 ns 4.31 ns 10
stringa str = "test = " + k + " times";_cv 2.97 % 2.97 % 10
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 283 ns 283 ns 10
std::string::find + substr + std::strtol_median 275 ns 275 ns 10
std::string::find + substr + std::strtol_stddev 28.4 ns 28.4 ns 10
std::string::find + substr + std::strtol_cv 10.03 % 10.03 % 10
ssa::splitter + ssa::as_int_mean 159 ns 159 ns 10
ssa::splitter + ssa::as_int_median 159 ns 159 ns 10
ssa::splitter + ssa::as_int_stddev 6.77 ns 6.77 ns 10
ssa::splitter + ssa::as_int_cv 4.26 % 4.26 % 10
ssa::splitf + functor_mean 204 ns 204 ns 10
ssa::splitf + functor_median 203 ns 203 ns 10
ssa::splitf + functor_stddev 5.90 ns 5.90 ns 10
ssa::splitf + functor_cv 2.89 % 2.89 % 10
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 848 ns 848 ns 10
Naive (and wrong) replace symbols with std::string find + replace_median 834 ns 834 ns 10
Naive (and wrong) replace symbols with std::string find + replace_stddev 41.8 ns 41.8 ns 10
Naive (and wrong) replace symbols with std::string find + replace_cv 4.93 % 4.93 % 10
replace symbols with std::string find_first_of + replace_mean 2432 ns 2432 ns 10
replace symbols with std::string find_first_of + replace_median 2400 ns 2400 ns 10
replace symbols with std::string find_first_of + replace_stddev 135 ns 135 ns 10
replace symbols with std::string find_first_of + replace_cv 5.53 % 5.53 % 10
replace symbols with std::string_view find_first_of + copy_mean 1070 ns 1070 ns 10
replace symbols with std::string_view find_first_of + copy_median 1059 ns 1059 ns 10
replace symbols with std::string_view find_first_of + copy_stddev 37.2 ns 37.2 ns 10
replace symbols with std::string_view find_first_of + copy_cv 3.47 % 3.47 % 10
replace runtime symbols with string expressions and without remembering all search results_mean 1309 ns 1309 ns 10
replace runtime symbols with string expressions and without remembering all search results_median 1313 ns 1313 ns 10
replace runtime symbols with string expressions and without remembering all search results_stddev 35.5 ns 35.5 ns 10
replace runtime symbols with string expressions and without remembering all search results_cv 2.71 % 2.71 % 10
replace runtime symbols with simstr and memorization of all search results_mean 1066 ns 1066 ns 10
replace runtime symbols with simstr and memorization of all search results_median 1067 ns 1067 ns 10
replace runtime symbols with simstr and memorization of all search results_stddev 61.5 ns 61.5 ns 10
replace runtime symbols with simstr and memorization of all search results_cv 5.77 % 5.77 % 10
replace const symbols with string expressions and without remembering all search results_mean 1030 ns 1030 ns 10
replace const symbols with string expressions and without remembering all search results_median 1005 ns 1005 ns 10
replace const symbols with string expressions and without remembering all search results_stddev 57.4 ns 57.4 ns 10
replace const symbols with string expressions and without remembering all search results_cv 5.58 % 5.58 % 10
replace const symbols with string expressions and memorization of all search results_mean 898 ns 898 ns 10
replace const symbols with string expressions and memorization of all search results_median 892 ns 892 ns 10
replace const symbols with string expressions and memorization of all search results_stddev 21.7 ns 21.7 ns 10
replace const symbols with string expressions and memorization of all search results_cv 2.42 % 2.42 % 10
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 155 ns 155 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_median 154 ns 154 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 3.88 ns 3.88 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.50 % 2.50 % 10
Short replace symbols with std::string find_first_of + replace_mean 337 ns 337 ns 10
Short replace symbols with std::string find_first_of + replace_median 322 ns 322 ns 10
Short replace symbols with std::string find_first_of + replace_stddev 36.8 ns 36.8 ns 10
Short replace symbols with std::string find_first_of + replace_cv 10.90 % 10.90 % 10
Short replace symbols with std::string_view find_first_of + copy_mean 164 ns 164 ns 10
Short replace symbols with std::string_view find_first_of + copy_median 164 ns 164 ns 10
Short replace symbols with std::string_view find_first_of + copy_stddev 4.23 ns 4.23 ns 10
Short replace symbols with std::string_view find_first_of + copy_cv 2.59 % 2.59 % 10
Short replace runtime symbols with string expressions and without remembering all search results_mean 193 ns 193 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_median 187 ns 187 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_stddev 15.2 ns 15.2 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_cv 7.85 % 7.85 % 10
Short replace runtime symbols with simstr and memorization of all search results_mean 205 ns 205 ns 10
Short replace runtime symbols with simstr and memorization of all search results_median 196 ns 196 ns 10
Short replace runtime symbols with simstr and memorization of all search results_stddev 21.5 ns 21.5 ns 10
Short replace runtime symbols with simstr and memorization of all search results_cv 10.51 % 10.51 % 10
Short replace const symbols with string expressions and without remembering all search results_mean 139 ns 139 ns 10
Short replace const symbols with string expressions and without remembering all search results_median 139 ns 139 ns 10
Short replace const symbols with string expressions and without remembering all search results_stddev 3.57 ns 3.57 ns 10
Short replace const symbols with string expressions and without remembering all search results_cv 2.57 % 2.57 % 10
Short replace const symbols with string expressions and memorization of all search results_mean 144 ns 144 ns 10
Short replace const symbols with string expressions and memorization of all search results_median 144 ns 144 ns 10
Short replace const symbols with string expressions and memorization of all search results_stddev 5.29 ns 5.29 ns 10
Short replace const symbols with string expressions and memorization of all search results_cv 3.66 % 3.66 % 10
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 160 ns 160 ns 10
replace bb to ---- in std::string|64_median 155 ns 155 ns 10
replace bb to ---- in std::string|64_stddev 9.70 ns 9.70 ns 10
replace bb to ---- in std::string|64_cv 6.08 % 6.08 % 10
replace bb to ---- in std::string|256_mean 568 ns 568 ns 10
replace bb to ---- in std::string|256_median 559 ns 559 ns 10
replace bb to ---- in std::string|256_stddev 31.3 ns 31.3 ns 10
replace bb to ---- in std::string|256_cv 5.51 % 5.51 % 10
replace bb to ---- in std::string|512_mean 1177 ns 1177 ns 10
replace bb to ---- in std::string|512_median 1137 ns 1137 ns 10
replace bb to ---- in std::string|512_stddev 108 ns 108 ns 10
replace bb to ---- in std::string|512_cv 9.19 % 9.19 % 10
replace bb to ---- in std::string|1024_mean 2294 ns 2294 ns 10
replace bb to ---- in std::string|1024_median 2265 ns 2265 ns 10
replace bb to ---- in std::string|1024_stddev 125 ns 125 ns 10
replace bb to ---- in std::string|1024_cv 5.45 % 5.45 % 10
replace bb to ---- in std::string|2048_mean 5903 ns 5903 ns 10
replace bb to ---- in std::string|2048_median 5701 ns 5701 ns 10
replace bb to ---- in std::string|2048_stddev 509 ns 509 ns 10
replace bb to ---- in std::string|2048_cv 8.62 % 8.62 % 10
replace bb to ---- in lstringa<8>|64_mean 245 ns 245 ns 10
replace bb to ---- in lstringa<8>|64_median 245 ns 245 ns 10
replace bb to ---- in lstringa<8>|64_stddev 5.86 ns 5.86 ns 10
replace bb to ---- in lstringa<8>|64_cv 2.39 % 2.39 % 10
replace bb to ---- in lstringa<8>|256_mean 777 ns 777 ns 10
replace bb to ---- in lstringa<8>|256_median 779 ns 779 ns 10
replace bb to ---- in lstringa<8>|256_stddev 18.7 ns 18.7 ns 10
replace bb to ---- in lstringa<8>|256_cv 2.41 % 2.41 % 10
replace bb to ---- in lstringa<8>|512_mean 1500 ns 1500 ns 10
replace bb to ---- in lstringa<8>|512_median 1488 ns 1488 ns 10
replace bb to ---- in lstringa<8>|512_stddev 58.7 ns 58.7 ns 10
replace bb to ---- in lstringa<8>|512_cv 3.92 % 3.92 % 10
replace bb to ---- in lstringa<8>|1024_mean 2907 ns 2907 ns 10
replace bb to ---- in lstringa<8>|1024_median 2913 ns 2913 ns 10
replace bb to ---- in lstringa<8>|1024_stddev 61.2 ns 61.2 ns 10
replace bb to ---- in lstringa<8>|1024_cv 2.11 % 2.11 % 10
replace bb to ---- in lstringa<8>|2048_mean 5929 ns 5930 ns 10
replace bb to ---- in lstringa<8>|2048_median 5754 ns 5754 ns 10
replace bb to ---- in lstringa<8>|2048_stddev 544 ns 544 ns 10
replace bb to ---- in lstringa<8>|2048_cv 9.18 % 9.18 % 10
replace bb to ---- by init stringa|64_mean 129 ns 129 ns 10
replace bb to ---- by init stringa|64_median 128 ns 128 ns 10
replace bb to ---- by init stringa|64_stddev 4.89 ns 4.89 ns 10
replace bb to ---- by init stringa|64_cv 3.80 % 3.80 % 10
replace bb to ---- by init stringa|256_mean 356 ns 356 ns 10
replace bb to ---- by init stringa|256_median 354 ns 354 ns 10
replace bb to ---- by init stringa|256_stddev 13.9 ns 13.9 ns 10
replace bb to ---- by init stringa|256_cv 3.90 % 3.90 % 10
replace bb to ---- by init stringa|512_mean 774 ns 774 ns 10
replace bb to ---- by init stringa|512_median 767 ns 767 ns 10
replace bb to ---- by init stringa|512_stddev 19.5 ns 19.5 ns 10
replace bb to ---- by init stringa|512_cv 2.52 % 2.52 % 10
replace bb to ---- by init stringa|1024_mean 1583 ns 1583 ns 10
replace bb to ---- by init stringa|1024_median 1569 ns 1569 ns 10
replace bb to ---- by init stringa|1024_stddev 59.1 ns 59.1 ns 10
replace bb to ---- by init stringa|1024_cv 3.74 % 3.74 % 10
replace bb to ---- by init stringa|2048_mean 3395 ns 3395 ns 10
replace bb to ---- by init stringa|2048_median 3386 ns 3386 ns 10
replace bb to ---- by init stringa|2048_stddev 258 ns 258 ns 10
replace bb to ---- by init stringa|2048_cv 7.59 % 7.59 % 10
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 119 ns 119 ns 10
replace bb to -- in std::string|64_median 119 ns 119 ns 10
replace bb to -- in std::string|64_stddev 3.85 ns 3.85 ns 10
replace bb to -- in std::string|64_cv 3.24 % 3.24 % 10
replace bb to -- in std::string|256_mean 451 ns 451 ns 10
replace bb to -- in std::string|256_median 439 ns 439 ns 10
replace bb to -- in std::string|256_stddev 55.9 ns 55.9 ns 10
replace bb to -- in std::string|256_cv 12.40 % 12.40 % 10
replace bb to -- in std::string|512_mean 782 ns 782 ns 10
replace bb to -- in std::string|512_median 776 ns 776 ns 10
replace bb to -- in std::string|512_stddev 22.5 ns 22.5 ns 10
replace bb to -- in std::string|512_cv 2.88 % 2.88 % 10
replace bb to -- in std::string|1024_mean 1492 ns 1492 ns 10
replace bb to -- in std::string|1024_median 1468 ns 1468 ns 10
replace bb to -- in std::string|1024_stddev 71.8 ns 71.8 ns 10
replace bb to -- in std::string|1024_cv 4.81 % 4.81 % 10
replace bb to -- in std::string|2048_mean 3010 ns 3010 ns 10
replace bb to -- in std::string|2048_median 2960 ns 2960 ns 10
replace bb to -- in std::string|2048_stddev 131 ns 131 ns 10
replace bb to -- in std::string|2048_cv 4.35 % 4.35 % 10
replace bb to -- in lstringa<8>|64_mean 209 ns 209 ns 10
replace bb to -- in lstringa<8>|64_median 210 ns 210 ns 10
replace bb to -- in lstringa<8>|64_stddev 7.59 ns 7.59 ns 10
replace bb to -- in lstringa<8>|64_cv 3.62 % 3.62 % 10
replace bb to -- in lstringa<8>|256_mean 855 ns 855 ns 10
replace bb to -- in lstringa<8>|256_median 847 ns 847 ns 10
replace bb to -- in lstringa<8>|256_stddev 27.5 ns 27.5 ns 10
replace bb to -- in lstringa<8>|256_cv 3.22 % 3.22 % 10
replace bb to -- in lstringa<8>|512_mean 1828 ns 1828 ns 10
replace bb to -- in lstringa<8>|512_median 1820 ns 1820 ns 10
replace bb to -- in lstringa<8>|512_stddev 41.2 ns 41.2 ns 10
replace bb to -- in lstringa<8>|512_cv 2.25 % 2.25 % 10
replace bb to -- in lstringa<8>|1024_mean 3661 ns 3661 ns 10
replace bb to -- in lstringa<8>|1024_median 3653 ns 3653 ns 10
replace bb to -- in lstringa<8>|1024_stddev 55.7 ns 55.7 ns 10
replace bb to -- in lstringa<8>|1024_cv 1.52 % 1.52 % 10
replace bb to -- in lstringa<8>|2048_mean 7670 ns 7670 ns 10
replace bb to -- in lstringa<8>|2048_median 7481 ns 7481 ns 10
replace bb to -- in lstringa<8>|2048_stddev 531 ns 531 ns 10
replace bb to -- in lstringa<8>|2048_cv 6.92 % 6.92 % 10
replace bb to -- by init stringa|64_mean 83.8 ns 83.8 ns 10
replace bb to -- by init stringa|64_median 80.2 ns 80.2 ns 10
replace bb to -- by init stringa|64_stddev 7.49 ns 7.49 ns 10
replace bb to -- by init stringa|64_cv 8.94 % 8.94 % 10
replace bb to -- by init stringa|256_mean 236 ns 236 ns 10
replace bb to -- by init stringa|256_median 234 ns 234 ns 10
replace bb to -- by init stringa|256_stddev 5.30 ns 5.30 ns 10
replace bb to -- by init stringa|256_cv 2.24 % 2.24 % 10
replace bb to -- by init stringa|512_mean 485 ns 485 ns 10
replace bb to -- by init stringa|512_median 479 ns 479 ns 10
replace bb to -- by init stringa|512_stddev 55.3 ns 55.3 ns 10
replace bb to -- by init stringa|512_cv 11.40 % 11.40 % 10
replace bb to -- by init stringa|1024_mean 883 ns 883 ns 10
replace bb to -- by init stringa|1024_median 879 ns 879 ns 10
replace bb to -- by init stringa|1024_stddev 28.6 ns 28.6 ns 10
replace bb to -- by init stringa|1024_cv 3.25 % 3.24 % 10
replace bb to -- by init stringa|2048_mean 1717 ns 1717 ns 10
replace bb to -- by init stringa|2048_median 1739 ns 1739 ns 10
replace bb to -- by init stringa|2048_stddev 63.3 ns 63.3 ns 10
replace bb to -- by init stringa|2048_cv 3.69 % 3.69 % 10
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3595592 ns 3595607 ns 10
hashStrMapA<size_t> emplace & find stringa;_median 3572533 ns 3572549 ns 10
hashStrMapA<size_t> emplace & find stringa;_stddev 57151 ns 57153 ns 10
hashStrMapA<size_t> emplace & find stringa;_cv 1.59 % 1.59 % 10
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3599286 ns 3599290 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3580740 ns 3580719 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 155107 ns 155106 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 4.31 % 4.31 % 10
hashStrMapA<size_t> emplace & find ssa;_mean 3741065 ns 3741070 ns 10
hashStrMapA<size_t> emplace & find ssa;_median 3672854 ns 3672865 ns 10
hashStrMapA<size_t> emplace & find ssa;_stddev 202922 ns 202917 ns 10
hashStrMapA<size_t> emplace & find ssa;_cv 5.42 % 5.42 % 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4188176 ns 4188182 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4154276 ns 4154293 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 229445 ns 229453 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 5.48 % 5.48 % 10
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 709 ns 709 ns 10
Build func full name std::string;_median 696 ns 696 ns 10
Build func full name std::string;_stddev 42.5 ns 42.5 ns 10
Build func full name std::string;_cv 5.99 % 5.99 % 10
Build func full name std::string 1;_mean 829 ns 829 ns 10
Build func full name std::string 1;_median 813 ns 813 ns 10
Build func full name std::string 1;_stddev 38.0 ns 38.0 ns 10
Build func full name std::string 1;_cv 4.59 % 4.59 % 10
Build func full name std::stream;_mean 2552 ns 2552 ns 10
Build func full name std::stream;_median 2527 ns 2527 ns 10
Build func full name std::stream;_stddev 73.8 ns 73.8 ns 10
Build func full name std::stream;_cv 2.89 % 2.89 % 10
Build func full name stringa;_mean 503 ns 503 ns 10
Build func full name stringa;_median 505 ns 505 ns 10
Build func full name stringa;_stddev 17.5 ns 17.5 ns 10
Build func full name stringa;_cv 3.47 % 3.47 % 10
Build func full name stringa 1;_mean 670 ns 670 ns 10
Build func full name stringa 1;_median 655 ns 655 ns 10
Build func full name stringa 1;_stddev 37.3 ns 37.3 ns 10
Build func full name stringa 1;_cv 5.57 % 5.57 % 10

View File

@ -0,0 +1,989 @@
Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler Clang 22.0.0
2026-03-22T13:18:22+03:00
Running ./benchStr
Run on (32 X 2494.22 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
Load Average: 0.20, 0.67, 0.53
***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 167 ns 167 ns 4
Concat email std::format_median 166 ns 166 ns 4
Concat email std::format_stddev 2.04 ns 2.04 ns 4
Concat email std::format_cv 1.22 % 1.22 % 4
Concat email std::stringstream_mean 379 ns 379 ns 4
Concat email std::stringstream_median 379 ns 379 ns 4
Concat email std::stringstream_stddev 2.80 ns 2.80 ns 4
Concat email std::stringstream_cv 0.74 % 0.74 % 4
Concat email stringzilla append_mean 143 ns 143 ns 4
Concat email stringzilla append_median 142 ns 142 ns 4
Concat email stringzilla append_stddev 4.40 ns 4.40 ns 4
Concat email stringzilla append_cv 3.07 % 3.07 % 4
Concat email stringzilla concat_mean 54.6 ns 54.6 ns 4
Concat email stringzilla concat_median 54.3 ns 54.3 ns 4
Concat email stringzilla concat_stddev 1.36 ns 1.36 ns 4
Concat email stringzilla concat_cv 2.50 % 2.50 % 4
Concat email std::string append_mean 73.9 ns 73.9 ns 4
Concat email std::string append_median 74.2 ns 74.2 ns 4
Concat email std::string append_stddev 0.919 ns 0.919 ns 4
Concat email std::string append_cv 1.24 % 1.24 % 4
Concat email std::string by strexpr_mean 46.8 ns 46.8 ns 4
Concat email std::string by strexpr_median 47.4 ns 47.4 ns 4
Concat email std::string by strexpr_stddev 1.39 ns 1.39 ns 4
Concat email std::string by strexpr_cv 2.96 % 2.96 % 4
Concat email stringa_mean 39.1 ns 39.1 ns 4
Concat email stringa_median 38.9 ns 38.9 ns 4
Concat email stringa_stddev 0.543 ns 0.543 ns 4
Concat email stringa_cv 1.39 % 1.39 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 223 ns 223 ns 4
Concat std::string and number by std to std::string_median 223 ns 223 ns 4
Concat std::string and number by std to std::string_stddev 3.04 ns 3.04 ns 4
Concat std::string and number by std to std::string_cv 1.36 % 1.36 % 4
Concat std::string and number by StrExpr to std::string_mean 105 ns 105 ns 4
Concat std::string and number by StrExpr to std::string_median 106 ns 106 ns 4
Concat std::string and number by StrExpr to std::string_stddev 2.70 ns 2.70 ns 4
Concat std::string and number by StrExpr to std::string_cv 2.56 % 2.56 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 64.9 ns 64.9 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 64.8 ns 64.8 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 0.353 ns 0.353 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 0.54 % 0.54 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 72.3 ns 72.3 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 71.9 ns 71.9 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 1.59 ns 1.59 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 2.20 % 2.20 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 696 ns 696 ns 4
Concat std::string and format hex number and literal to std::string_median 699 ns 699 ns 4
Concat std::string and format hex number and literal to std::string_stddev 9.35 ns 9.34 ns 4
Concat std::string and format hex number and literal to std::string_cv 1.34 % 1.34 % 4
std::format std::string and hex number by literal to std::string_mean 828 ns 828 ns 4
std::format std::string and hex number by literal to std::string_median 827 ns 827 ns 4
std::format std::string and hex number by literal to std::string_stddev 25.8 ns 25.8 ns 4
std::format std::string and hex number by literal to std::string_cv 3.11 % 3.11 % 4
Concat std::string and std::to_chars and string to std::string_mean 210 ns 210 ns 4
Concat std::string and std::to_chars and string to std::string_median 210 ns 210 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 3.35 ns 3.35 ns 4
Concat std::string and std::to_chars and string to std::string_cv 1.60 % 1.60 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 134 ns 134 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 134 ns 134 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 1.42 ns 1.42 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 1.06 % 1.06 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 117 ns 117 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 118 ns 118 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 0.602 ns 0.602 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 0.51 % 0.51 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 128 ns 128 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 126 ns 126 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 4.95 ns 4.95 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 3.87 % 3.87 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 193 ns 193 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 187 ns 187 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 13.1 ns 13.1 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 6.78 % 6.78 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 333 ns 333 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 324 ns 324 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 29.5 ns 29.5 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 8.88 % 8.88 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 271 ns 271 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 271 ns 271 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 1.20 ns 1.20 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 0.44 % 0.44 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 357 ns 357 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 357 ns 357 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 1.91 ns 1.91 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 0.54 % 0.54 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 621 ns 621 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 607 ns 607 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 47.0 ns 47.0 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 7.56 % 7.56 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 723 ns 723 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 722 ns 722 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 12.0 ns 12.0 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 1.66 % 1.66 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 842 ns 842 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 840 ns 840 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 27.2 ns 27.2 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 3.22 % 3.22 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 1017 ns 1017 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 1011 ns 1011 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 11.7 ns 11.7 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 1.15 % 1.15 % 4
std::vformat(pattern, std::make_format_args(i))_mean 999 ns 999 ns 4
std::vformat(pattern, std::make_format_args(i))_median 994 ns 994 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 24.6 ns 24.6 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 2.46 % 2.46 % 4
std::format with std::formatted_size_mean 1867 ns 1867 ns 4
std::format with std::formatted_size_median 1881 ns 1881 ns 4
std::format with std::formatted_size_stddev 33.7 ns 33.7 ns 4
std::format with std::formatted_size_cv 1.80 % 1.80 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 2074 ns 2074 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 2074 ns 2074 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 6.88 ns 6.87 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 0.33 % 0.33 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 51.7 ns 51.7 ns 4
Concat std::string by std to std::string_median 51.6 ns 51.6 ns 4
Concat std::string by std to std::string_stddev 0.623 ns 0.623 ns 4
Concat std::string by std to std::string_cv 1.21 % 1.21 % 4
Concat std::string by StrExpr to std::string_mean 36.9 ns 36.9 ns 4
Concat std::string by StrExpr to std::string_median 36.8 ns 36.8 ns 4
Concat std::string by StrExpr to std::string_stddev 0.272 ns 0.272 ns 4
Concat std::string by StrExpr to std::string_cv 0.74 % 0.74 % 4
Concat stringa by StrExpr to stringa_mean 31.6 ns 31.6 ns 4
Concat stringa by StrExpr to stringa_median 31.8 ns 31.8 ns 4
Concat stringa by StrExpr to stringa_stddev 0.842 ns 0.842 ns 4
Concat stringa by StrExpr to stringa_cv 2.66 % 2.66 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 112 ns 112 ns 4
Find concat three std::string_median 112 ns 112 ns 4
Find concat three std::string_stddev 2.70 ns 2.70 ns 4
Find concat three std::string_cv 2.41 % 2.41 % 4
Find concat three strexpr_mean 52.4 ns 52.4 ns 4
Find concat three strexpr_median 52.6 ns 52.6 ns 4
Find concat three strexpr_stddev 2.35 ns 2.35 ns 4
Find concat three strexpr_cv 4.48 % 4.48 % 4
Find concat three simstr_mean 18.9 ns 18.9 ns 4
Find concat three simstr_median 18.8 ns 18.8 ns 4
Find concat three simstr_stddev 0.278 ns 0.278 ns 4
Find concat three simstr_cv 1.47 % 1.47 % 4
Find concat three stringzilla string_mean 153 ns 153 ns 4
Find concat three stringzilla string_median 153 ns 153 ns 4
Find concat three stringzilla string_stddev 1.37 ns 1.37 ns 4
Find concat three stringzilla string_cv 0.90 % 0.90 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 7.58 ns 7.58 ns 4
BuildTypeNameStr 0/0_median 7.65 ns 7.65 ns 4
BuildTypeNameStr 0/0_stddev 0.170 ns 0.170 ns 4
BuildTypeNameStr 0/0_cv 2.25 % 2.25 % 4
BuildTypeNameExp 0/0_mean 6.94 ns 6.94 ns 4
BuildTypeNameExp 0/0_median 6.94 ns 6.94 ns 4
BuildTypeNameExp 0/0_stddev 0.141 ns 0.141 ns 4
BuildTypeNameExp 0/0_cv 2.03 % 2.03 % 4
BuildTypeNameSim 0/0_mean 5.03 ns 5.03 ns 4
BuildTypeNameSim 0/0_median 5.02 ns 5.02 ns 4
BuildTypeNameSim 0/0_stddev 0.096 ns 0.096 ns 4
BuildTypeNameSim 0/0_cv 1.91 % 1.91 % 4
BuildTypeNameStr 10/10_mean 59.1 ns 59.1 ns 4
BuildTypeNameStr 10/10_median 59.0 ns 59.0 ns 4
BuildTypeNameStr 10/10_stddev 2.58 ns 2.58 ns 4
BuildTypeNameStr 10/10_cv 4.37 % 4.37 % 4
BuildTypeNameExp 10/10_mean 31.0 ns 31.0 ns 4
BuildTypeNameExp 10/10_median 31.1 ns 31.1 ns 4
BuildTypeNameExp 10/10_stddev 0.361 ns 0.361 ns 4
BuildTypeNameExp 10/10_cv 1.16 % 1.16 % 4
BuildTypeNameSim 10/10_mean 23.4 ns 23.4 ns 4
BuildTypeNameSim 10/10_median 23.5 ns 23.5 ns 4
BuildTypeNameSim 10/10_stddev 0.470 ns 0.470 ns 4
BuildTypeNameSim 10/10_cv 2.01 % 2.01 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 210 ns 210 ns 4
Concat with replace str_median 209 ns 209 ns 4
Concat with replace str_stddev 4.51 ns 4.51 ns 4
Concat with replace str_cv 2.14 % 2.14 % 4
Concat with replace exp_mean 154 ns 154 ns 4
Concat with replace exp_median 154 ns 154 ns 4
Concat with replace exp_stddev 1.87 ns 1.87 ns 4
Concat with replace exp_cv 1.22 % 1.22 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.13 ns 1.13 ns 4
std::string e;_median 1.14 ns 1.14 ns 4
std::string e;_stddev 0.019 ns 0.019 ns 4
std::string e;_cv 1.68 % 1.68 % 4
std::string_view e;_mean 0.377 ns 0.377 ns 4
std::string_view e;_median 0.377 ns 0.377 ns 4
std::string_view e;_stddev 0.006 ns 0.006 ns 4
std::string_view e;_cv 1.57 % 1.57 % 4
ssa e;_mean 0.372 ns 0.372 ns 4
ssa e;_median 0.371 ns 0.371 ns 4
ssa e;_stddev 0.005 ns 0.005 ns 4
ssa e;_cv 1.34 % 1.34 % 4
stringa e;_mean 0.763 ns 0.763 ns 4
stringa e;_median 0.759 ns 0.759 ns 4
stringa e;_stddev 0.012 ns 0.012 ns 4
stringa e;_cv 1.61 % 1.61 % 4
lstringa<20> e;_mean 1.14 ns 1.14 ns 4
lstringa<20> e;_median 1.13 ns 1.13 ns 4
lstringa<20> e;_stddev 0.015 ns 0.015 ns 4
lstringa<20> e;_cv 1.36 % 1.36 % 4
lstringa<40> e;_mean 1.14 ns 1.14 ns 4
lstringa<40> e;_median 1.12 ns 1.12 ns 4
lstringa<40> e;_stddev 0.026 ns 0.026 ns 4
lstringa<40> e;_cv 2.27 % 2.27 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.87 ns 1.87 ns 4
std::string e = "Test text";_median 1.87 ns 1.87 ns 4
std::string e = "Test text";_stddev 0.027 ns 0.027 ns 4
std::string e = "Test text";_cv 1.46 % 1.46 % 4
std::string_view e = "Test text";_mean 0.761 ns 0.761 ns 4
std::string_view e = "Test text";_median 0.765 ns 0.765 ns 4
std::string_view e = "Test text";_stddev 0.010 ns 0.010 ns 4
std::string_view e = "Test text";_cv 1.36 % 1.36 % 4
ssa e = "Test text";_mean 0.382 ns 0.382 ns 4
ssa e = "Test text";_median 0.382 ns 0.382 ns 4
ssa e = "Test text";_stddev 0.005 ns 0.005 ns 4
ssa e = "Test text";_cv 1.41 % 1.41 % 4
stringa e = "Test text";_mean 1.15 ns 1.15 ns 4
stringa e = "Test text";_median 1.14 ns 1.14 ns 4
stringa e = "Test text";_stddev 0.029 ns 0.029 ns 4
stringa e = "Test text";_cv 2.50 % 2.50 % 4
lstringa<20> e = "Test text";_mean 1.90 ns 1.90 ns 4
lstringa<20> e = "Test text";_median 1.90 ns 1.90 ns 4
lstringa<20> e = "Test text";_stddev 0.045 ns 0.045 ns 4
lstringa<20> e = "Test text";_cv 2.37 % 2.36 % 4
lstringa<40> e = "Test text";_mean 1.88 ns 1.88 ns 4
lstringa<40> e = "Test text";_median 1.87 ns 1.87 ns 4
lstringa<40> e = "Test text";_stddev 0.046 ns 0.046 ns 4
lstringa<40> e = "Test text";_cv 2.46 % 2.46 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 19.5 ns 19.5 ns 4
std::string e = "123456789012345678901234567890";_median 19.3 ns 19.3 ns 4
std::string e = "123456789012345678901234567890";_stddev 0.398 ns 0.398 ns 4
std::string e = "123456789012345678901234567890";_cv 2.04 % 2.04 % 4
std::string_view e = "123456789012345678901234567890";_mean 0.763 ns 0.763 ns 4
std::string_view e = "123456789012345678901234567890";_median 0.764 ns 0.764 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.008 ns 0.008 ns 4
std::string_view e = "123456789012345678901234567890";_cv 1.10 % 1.10 % 4
ssa e = "123456789012345678901234567890";_mean 0.375 ns 0.375 ns 4
ssa e = "123456789012345678901234567890";_median 0.374 ns 0.374 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.005 ns 0.005 ns 4
ssa e = "123456789012345678901234567890";_cv 1.45 % 1.45 % 4
stringa e = "123456789012345678901234567890";_mean 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890";_median 1.13 ns 1.13 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.024 ns 0.024 ns 4
stringa e = "123456789012345678901234567890";_cv 2.13 % 2.13 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 18.0 ns 18.0 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 18.0 ns 18.0 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 0.581 ns 0.581 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 3.22 % 3.22 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 2.68 ns 2.68 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 2.67 ns 2.67 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.020 ns 0.020 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 0.73 % 0.73 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 5.77 ns 5.77 ns 4
std::string e = "Test text"; auto c{e};_median 5.75 ns 5.75 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.095 ns 0.095 ns 4
std::string e = "Test text"; auto c{e};_cv 1.64 % 1.64 % 4
std::string_view e = "Test text"; auto c{e};_mean 0.388 ns 0.388 ns 4
std::string_view e = "Test text"; auto c{e};_median 0.379 ns 0.379 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.022 ns 0.022 ns 4
std::string_view e = "Test text"; auto c{e};_cv 5.79 % 5.79 % 4
ssa e = "Test text"; auto c{e};_mean 0.380 ns 0.380 ns 4
ssa e = "Test text"; auto c{e};_median 0.382 ns 0.382 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.005 ns 0.005 ns 4
ssa e = "Test text"; auto c{e};_cv 1.43 % 1.43 % 4
stringa e = "Test text"; auto c{e};_mean 1.12 ns 1.12 ns 4
stringa e = "Test text"; auto c{e};_median 1.12 ns 1.12 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.016 ns 0.016 ns 4
stringa e = "Test text"; auto c{e};_cv 1.46 % 1.46 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 1.14 ns 1.14 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 1.13 ns 1.13 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.024 ns 0.024 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 2.13 % 2.13 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 1.15 ns 1.15 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 1.15 ns 1.15 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.014 ns 0.014 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 1.19 % 1.19 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 20.2 ns 20.2 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 20.2 ns 20.2 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.353 ns 0.353 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.75 % 1.75 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.758 ns 0.758 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.754 ns 0.755 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.19 % 1.19 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.374 ns 0.374 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.374 ns 0.374 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.002 ns 0.002 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 0.58 % 0.59 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.014 ns 0.014 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.23 % 1.23 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 19.1 ns 19.1 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 19.1 ns 19.1 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.086 ns 0.086 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 0.45 % 0.45 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.98 ns 4.98 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 5.03 ns 5.03 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.146 ns 0.146 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 2.94 % 2.94 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 95.9 ns 95.9 ns 4
sz::string::find;_median 95.8 ns 95.8 ns 4
sz::string::find;_stddev 1.48 ns 1.48 ns 4
sz::string::find;_cv 1.54 % 1.54 % 4
std::string::find;_mean 7.34 ns 7.34 ns 4
std::string::find;_median 7.33 ns 7.33 ns 4
std::string::find;_stddev 0.128 ns 0.128 ns 4
std::string::find;_cv 1.75 % 1.75 % 4
std::string_view::find;_mean 7.81 ns 7.81 ns 4
std::string_view::find;_median 7.78 ns 7.78 ns 4
std::string_view::find;_stddev 0.124 ns 0.124 ns 4
std::string_view::find;_cv 1.59 % 1.59 % 4
ssa::find;_mean 7.37 ns 7.37 ns 4
ssa::find;_median 7.37 ns 7.37 ns 4
ssa::find;_stddev 0.149 ns 0.149 ns 4
ssa::find;_cv 2.02 % 2.02 % 4
stringa::find;_mean 8.14 ns 8.14 ns 4
stringa::find;_median 8.14 ns 8.14 ns 4
stringa::find;_stddev 0.027 ns 0.027 ns 4
stringa::find;_cv 0.33 % 0.33 % 4
lstringa<20>::find;_mean 6.94 ns 6.94 ns 4
lstringa<20>::find;_median 6.90 ns 6.90 ns 4
lstringa<20>::find;_stddev 0.118 ns 0.118 ns 4
lstringa<20>::find;_cv 1.70 % 1.70 % 4
lstringa<40>::find;_mean 6.93 ns 6.93 ns 4
lstringa<40>::find;_median 6.92 ns 6.92 ns 4
lstringa<40>::find;_stddev 0.091 ns 0.091 ns 4
lstringa<40>::find;_cv 1.31 % 1.31 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 5.78 ns 5.78 ns 4
std::string copy{str_with_len_N};/15_median 5.78 ns 5.78 ns 4
std::string copy{str_with_len_N};/15_stddev 0.153 ns 0.153 ns 4
std::string copy{str_with_len_N};/15_cv 2.64 % 2.64 % 4
std::string copy{str_with_len_N};/16_mean 24.5 ns 24.5 ns 4
std::string copy{str_with_len_N};/16_median 24.6 ns 24.6 ns 4
std::string copy{str_with_len_N};/16_stddev 1.08 ns 1.08 ns 4
std::string copy{str_with_len_N};/16_cv 4.42 % 4.42 % 4
std::string copy{str_with_len_N};/23_mean 28.5 ns 28.5 ns 4
std::string copy{str_with_len_N};/23_median 28.6 ns 28.6 ns 4
std::string copy{str_with_len_N};/23_stddev 0.346 ns 0.346 ns 4
std::string copy{str_with_len_N};/23_cv 1.21 % 1.21 % 4
std::string copy{str_with_len_N};/24_mean 23.3 ns 23.3 ns 4
std::string copy{str_with_len_N};/24_median 23.3 ns 23.3 ns 4
std::string copy{str_with_len_N};/24_stddev 0.222 ns 0.222 ns 4
std::string copy{str_with_len_N};/24_cv 0.95 % 0.95 % 4
std::string copy{str_with_len_N};/32_mean 23.2 ns 23.2 ns 4
std::string copy{str_with_len_N};/32_median 23.3 ns 23.3 ns 4
std::string copy{str_with_len_N};/32_stddev 0.377 ns 0.377 ns 4
std::string copy{str_with_len_N};/32_cv 1.62 % 1.62 % 4
std::string copy{str_with_len_N};/64_mean 23.3 ns 23.3 ns 4
std::string copy{str_with_len_N};/64_median 23.3 ns 23.3 ns 4
std::string copy{str_with_len_N};/64_stddev 0.320 ns 0.320 ns 4
std::string copy{str_with_len_N};/64_cv 1.37 % 1.37 % 4
std::string copy{str_with_len_N};/128_mean 24.9 ns 24.9 ns 4
std::string copy{str_with_len_N};/128_median 24.9 ns 24.9 ns 4
std::string copy{str_with_len_N};/128_stddev 0.584 ns 0.584 ns 4
std::string copy{str_with_len_N};/128_cv 2.34 % 2.34 % 4
std::string copy{str_with_len_N};/256_mean 26.0 ns 26.0 ns 4
std::string copy{str_with_len_N};/256_median 25.3 ns 25.3 ns 4
std::string copy{str_with_len_N};/256_stddev 1.69 ns 1.69 ns 4
std::string copy{str_with_len_N};/256_cv 6.53 % 6.53 % 4
std::string copy{str_with_len_N};/512_mean 29.4 ns 29.4 ns 4
std::string copy{str_with_len_N};/512_median 29.5 ns 29.5 ns 4
std::string copy{str_with_len_N};/512_stddev 0.683 ns 0.683 ns 4
std::string copy{str_with_len_N};/512_cv 2.32 % 2.32 % 4
std::string copy{str_with_len_N};/1024_mean 47.7 ns 47.7 ns 4
std::string copy{str_with_len_N};/1024_median 47.8 ns 47.8 ns 4
std::string copy{str_with_len_N};/1024_stddev 0.457 ns 0.457 ns 4
std::string copy{str_with_len_N};/1024_cv 0.96 % 0.96 % 4
std::string copy{str_with_len_N};/2048_mean 125 ns 125 ns 4
std::string copy{str_with_len_N};/2048_median 125 ns 125 ns 4
std::string copy{str_with_len_N};/2048_stddev 3.96 ns 3.96 ns 4
std::string copy{str_with_len_N};/2048_cv 3.17 % 3.17 % 4
std::string copy{str_with_len_N};/4096_mean 152 ns 152 ns 4
std::string copy{str_with_len_N};/4096_median 154 ns 154 ns 4
std::string copy{str_with_len_N};/4096_stddev 4.76 ns 4.76 ns 4
std::string copy{str_with_len_N};/4096_cv 3.13 % 3.13 % 4
stringa copy{str_with_len_N};/15_mean 1.12 ns 1.12 ns 4
stringa copy{str_with_len_N};/15_median 1.12 ns 1.12 ns 4
stringa copy{str_with_len_N};/15_stddev 0.013 ns 0.013 ns 4
stringa copy{str_with_len_N};/15_cv 1.17 % 1.17 % 4
stringa copy{str_with_len_N};/16_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/16_median 1.12 ns 1.12 ns 4
stringa copy{str_with_len_N};/16_stddev 0.021 ns 0.021 ns 4
stringa copy{str_with_len_N};/16_cv 1.88 % 1.88 % 4
stringa copy{str_with_len_N};/23_mean 1.12 ns 1.12 ns 4
stringa copy{str_with_len_N};/23_median 1.12 ns 1.12 ns 4
stringa copy{str_with_len_N};/23_stddev 0.019 ns 0.019 ns 4
stringa copy{str_with_len_N};/23_cv 1.67 % 1.67 % 4
stringa copy{str_with_len_N};/24_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/24_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/24_stddev 0.135 ns 0.135 ns 4
stringa copy{str_with_len_N};/24_cv 0.82 % 0.82 % 4
stringa copy{str_with_len_N};/32_mean 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/32_median 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/32_stddev 0.180 ns 0.180 ns 4
stringa copy{str_with_len_N};/32_cv 1.10 % 1.10 % 4
stringa copy{str_with_len_N};/64_mean 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/64_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/64_stddev 0.113 ns 0.113 ns 4
stringa copy{str_with_len_N};/64_cv 0.69 % 0.69 % 4
stringa copy{str_with_len_N};/128_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/128_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/128_stddev 0.085 ns 0.085 ns 4
stringa copy{str_with_len_N};/128_cv 0.52 % 0.52 % 4
stringa copy{str_with_len_N};/256_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/256_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/256_stddev 0.068 ns 0.068 ns 4
stringa copy{str_with_len_N};/256_cv 0.42 % 0.42 % 4
stringa copy{str_with_len_N};/512_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/512_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/512_stddev 0.072 ns 0.072 ns 4
stringa copy{str_with_len_N};/512_cv 0.44 % 0.44 % 4
stringa copy{str_with_len_N};/1024_mean 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/1024_median 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.069 ns 0.069 ns 4
stringa copy{str_with_len_N};/1024_cv 0.42 % 0.42 % 4
stringa copy{str_with_len_N};/2048_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/2048_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.041 ns 0.041 ns 4
stringa copy{str_with_len_N};/2048_cv 0.25 % 0.25 % 4
stringa copy{str_with_len_N};/4096_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/4096_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.080 ns 0.080 ns 4
stringa copy{str_with_len_N};/4096_cv 0.49 % 0.49 % 4
lstringa<16> copy{str_with_len_N};/15_mean 1.14 ns 1.14 ns 4
lstringa<16> copy{str_with_len_N};/15_median 1.13 ns 1.13 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.024 ns 0.024 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 2.09 % 2.09 % 4
lstringa<16> copy{str_with_len_N};/16_mean 5.10 ns 5.10 ns 4
lstringa<16> copy{str_with_len_N};/16_median 5.10 ns 5.10 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.076 ns 0.076 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 1.49 % 1.49 % 4
lstringa<16> copy{str_with_len_N};/23_mean 5.16 ns 5.16 ns 4
lstringa<16> copy{str_with_len_N};/23_median 5.14 ns 5.14 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.062 ns 0.062 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 1.21 % 1.21 % 4
lstringa<16> copy{str_with_len_N};/24_mean 21.9 ns 21.9 ns 4
lstringa<16> copy{str_with_len_N};/24_median 22.0 ns 22.0 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 0.377 ns 0.377 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 1.72 % 1.72 % 4
lstringa<16> copy{str_with_len_N};/32_mean 22.1 ns 22.1 ns 4
lstringa<16> copy{str_with_len_N};/32_median 22.0 ns 22.0 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 0.310 ns 0.310 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 1.41 % 1.41 % 4
lstringa<16> copy{str_with_len_N};/64_mean 23.4 ns 23.4 ns 4
lstringa<16> copy{str_with_len_N};/64_median 23.3 ns 23.3 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 0.348 ns 0.348 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 1.49 % 1.49 % 4
lstringa<16> copy{str_with_len_N};/128_mean 24.5 ns 24.5 ns 4
lstringa<16> copy{str_with_len_N};/128_median 24.6 ns 24.6 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 0.410 ns 0.410 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 1.67 % 1.67 % 4
lstringa<16> copy{str_with_len_N};/256_mean 25.4 ns 25.4 ns 4
lstringa<16> copy{str_with_len_N};/256_median 25.4 ns 25.4 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 0.347 ns 0.347 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 1.37 % 1.37 % 4
lstringa<16> copy{str_with_len_N};/512_mean 28.6 ns 28.6 ns 4
lstringa<16> copy{str_with_len_N};/512_median 28.6 ns 28.6 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 0.490 ns 0.490 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 1.71 % 1.71 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 98.9 ns 98.9 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 97.3 ns 97.3 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 5.56 ns 5.56 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 5.62 % 5.62 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 103 ns 103 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 103 ns 103 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 1.53 ns 1.53 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 1.48 % 1.48 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 122 ns 122 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 121 ns 121 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 5.22 ns 5.22 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 4.29 % 4.29 % 4
lstringa<512> copy{str_with_len_N};/15_mean 1.13 ns 1.13 ns 4
lstringa<512> copy{str_with_len_N};/15_median 1.13 ns 1.13 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.011 ns 0.011 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 0.95 % 0.95 % 4
lstringa<512> copy{str_with_len_N};/16_mean 5.00 ns 5.00 ns 4
lstringa<512> copy{str_with_len_N};/16_median 5.05 ns 5.05 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.126 ns 0.126 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 2.52 % 2.52 % 4
lstringa<512> copy{str_with_len_N};/23_mean 4.92 ns 4.92 ns 4
lstringa<512> copy{str_with_len_N};/23_median 4.87 ns 4.87 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.113 ns 0.113 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 2.30 % 2.30 % 4
lstringa<512> copy{str_with_len_N};/24_mean 29.6 ns 29.6 ns 4
lstringa<512> copy{str_with_len_N};/24_median 29.5 ns 29.5 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.353 ns 0.353 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 1.19 % 1.19 % 4
lstringa<512> copy{str_with_len_N};/32_mean 29.6 ns 29.6 ns 4
lstringa<512> copy{str_with_len_N};/32_median 29.6 ns 29.6 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.133 ns 0.133 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 0.45 % 0.45 % 4
lstringa<512> copy{str_with_len_N};/64_mean 30.2 ns 30.2 ns 4
lstringa<512> copy{str_with_len_N};/64_median 30.2 ns 30.2 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.095 ns 0.095 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 0.31 % 0.31 % 4
lstringa<512> copy{str_with_len_N};/128_mean 30.5 ns 30.5 ns 4
lstringa<512> copy{str_with_len_N};/128_median 30.5 ns 30.5 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.108 ns 0.108 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 0.35 % 0.35 % 4
lstringa<512> copy{str_with_len_N};/256_mean 21.7 ns 21.7 ns 4
lstringa<512> copy{str_with_len_N};/256_median 21.7 ns 21.7 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.257 ns 0.257 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 1.19 % 1.19 % 4
lstringa<512> copy{str_with_len_N};/512_mean 24.7 ns 24.7 ns 4
lstringa<512> copy{str_with_len_N};/512_median 24.6 ns 24.6 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.267 ns 0.267 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 1.08 % 1.08 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 96.9 ns 96.9 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 96.8 ns 96.8 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 1.87 ns 1.87 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 1.93 % 1.93 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 106 ns 106 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 107 ns 107 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 2.33 ns 2.33 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 2.20 % 2.20 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 123 ns 123 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 123 ns 123 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 1.45 ns 1.45 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 1.19 % 1.19 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 26.9 ns 26.9 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 26.9 ns 26.9 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.215 ns 0.215 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 0.80 % 0.80 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 14.9 ns 14.9 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 14.9 ns 14.9 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.293 ns 0.293 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 1.97 % 1.97 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.36 ns 9.36 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.36 ns 9.36 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.047 ns 0.047 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.50 % 0.50 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.52 ns 9.52 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.50 ns 9.50 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.079 ns 0.079 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.83 % 0.83 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.61 ns 9.61 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.59 ns 9.59 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.146 ns 0.146 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.52 % 1.52 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 24.5 ns 24.5 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 24.4 ns 24.4 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.615 ns 0.615 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.51 % 2.51 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.59 ns 9.59 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.63 ns 9.63 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.166 ns 0.166 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.73 % 1.73 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 8.04 ns 8.04 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 8.04 ns 8.04 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.114 ns 0.114 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.41 % 1.41 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 7.57 ns 7.57 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.52 ns 7.52 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.139 ns 0.139 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.84 % 1.84 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 7.82 ns 7.82 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.82 ns 7.82 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.025 ns 0.025 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 0.32 % 0.32 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 29.2 ns 29.2 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 29.1 ns 29.1 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 1.09 ns 1.09 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 3.74 % 3.74 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 11.0 ns 11.0 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 11.0 ns 11.0 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.152 ns 0.152 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 1.39 % 1.39 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 13.3 ns 13.3 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 13.2 ns 13.2 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.137 ns 0.137 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 1.03 % 1.03 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 66.6 ns 66.6 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 66.0 ns 66.0 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 1.62 ns 1.62 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 2.43 % 2.43 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 24.5 ns 24.5 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 24.5 ns 24.5 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.348 ns 0.348 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.42 % 1.42 % 4
ssa s = "1234.567e10"; double res = *s.to_double()_mean 26.8 ns 26.8 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 26.8 ns 26.8 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.384 ns 0.384 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.43 % 1.43 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1424 ns 1424 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 1429 ns 1429 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 35.2 ns 35.2 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.47 % 2.47 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 445 ns 445 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 446 ns 446 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 7.09 ns 7.08 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 1.59 % 1.59 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 388 ns 388 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 388 ns 388 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 3.37 ns 3.37 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 0.87 % 0.87 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 276 ns 276 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 278 ns 278 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 7.15 ns 7.15 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 2.59 % 2.59 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 219 ns 219 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 224 ns 224 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 11.1 ns 11.1 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 5.04 % 5.04 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 137 ns 137 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 137 ns 137 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 0.634 ns 0.634 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 0.46 % 0.46 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1426 ns 1426 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1428 ns 1428 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 39.2 ns 39.2 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.75 % 2.75 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1288 ns 1288 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1289 ns 1289 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 12.9 ns 12.9 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.01 % 1.01 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 426 ns 426 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 426 ns 426 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 5.08 ns 5.08 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.19 % 1.19 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 340 ns 340 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 346 ns 346 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 14.2 ns 14.2 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.17 % 4.17 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 313 ns 313 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 314 ns 314 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 11.6 ns 11.6 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.71 % 3.71 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 217 ns 217 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 218 ns 218 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 6.95 ns 6.95 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.21 % 3.21 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 75809 ns 75810 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 75636 ns 75637 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 1270 ns 1270 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.68 % 1.68 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 73098 ns 73098 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 73402 ns 73402 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1487 ns 1487 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.03 % 2.03 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19767 ns 19767 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 19715 ns 19715 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 326 ns 326 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.65 % 1.65 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17379 ns 17379 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17356 ns 17356 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 164 ns 164 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 0.94 % 0.94 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16895 ns 16895 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16961 ns 16961 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 186 ns 186 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.10 % 1.10 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17082 ns 17082 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17027 ns 17027 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 244 ns 244 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.43 % 1.43 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 1469 ns 1469 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 1481 ns 1481 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 31.4 ns 31.4 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 2.14 % 2.14 % 4
std::string str; ... str += str_var1 + str_var2;_mean 1415 ns 1415 ns 4
std::string str; ... str += str_var1 + str_var2;_median 1404 ns 1404 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 26.0 ns 26.0 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 1.84 % 1.84 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 527 ns 527 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 525 ns 525 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 8.07 ns 8.07 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.53 % 1.53 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 465 ns 465 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 469 ns 469 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 22.5 ns 22.5 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 4.85 % 4.85 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 408 ns 408 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 415 ns 415 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 20.7 ns 20.7 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 5.06 % 5.06 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 309 ns 309 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 310 ns 310 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 3.18 ns 3.18 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.03 % 1.03 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 3067 ns 3067 ns 4
std::stringstream str; str << "test = " << k << " times";_median 3055 ns 3055 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 47.1 ns 47.1 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 1.54 % 1.54 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 457 ns 457 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 457 ns 457 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 4.69 ns 4.69 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 1.03 % 1.03 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1393 ns 1393 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1390 ns 1390 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 25.7 ns 25.6 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.84 % 1.84 % 4
std::string str = std::format("test = {} times", k);_mean 1140 ns 1140 ns 4
std::string str = std::format("test = {} times", k);_median 1150 ns 1150 ns 4
std::string str = std::format("test = {} times", k);_stddev 32.3 ns 32.3 ns 4
std::string str = std::format("test = {} times", k);_cv 2.83 % 2.83 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 1356 ns 1356 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 1349 ns 1349 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 39.1 ns 39.1 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 2.88 % 2.88 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 1002 ns 1003 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 1005 ns 1005 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 24.7 ns 24.7 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 2.46 % 2.46 % 4
lstringa<8> str = "test = " + k + " times";_mean 262 ns 262 ns 4
lstringa<8> str = "test = " + k + " times";_median 261 ns 261 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 3.40 ns 3.40 ns 4
lstringa<8> str = "test = " + k + " times";_cv 1.30 % 1.30 % 4
lstringa<32> str = "test = " + k + " times";_mean 126 ns 126 ns 4
lstringa<32> str = "test = " + k + " times";_median 126 ns 126 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 0.511 ns 0.511 ns 4
lstringa<32> str = "test = " + k + " times";_cv 0.40 % 0.40 % 4
stringa str = "test = " + k + " times";_mean 124 ns 124 ns 4
stringa str = "test = " + k + " times";_median 124 ns 124 ns 4
stringa str = "test = " + k + " times";_stddev 3.39 ns 3.39 ns 4
stringa str = "test = " + k + " times";_cv 2.74 % 2.74 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 270 ns 270 ns 4
std::string::find + substr + std::strtol_median 268 ns 268 ns 4
std::string::find + substr + std::strtol_stddev 7.54 ns 7.54 ns 4
std::string::find + substr + std::strtol_cv 2.79 % 2.79 % 4
ssa::splitter + ssa::as_int_mean 156 ns 156 ns 4
ssa::splitter + ssa::as_int_median 156 ns 156 ns 4
ssa::splitter + ssa::as_int_stddev 1.99 ns 1.99 ns 4
ssa::splitter + ssa::as_int_cv 1.28 % 1.28 % 4
ssa::splitf + functor_mean 207 ns 207 ns 4
ssa::splitf + functor_median 207 ns 207 ns 4
ssa::splitf + functor_stddev 2.33 ns 2.33 ns 4
ssa::splitf + functor_cv 1.12 % 1.12 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 844 ns 844 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 846 ns 846 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 8.40 ns 8.40 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 1.00 % 1.00 % 4
replace symbols with std::string find_first_of + replace_mean 2647 ns 2647 ns 4
replace symbols with std::string find_first_of + replace_median 2649 ns 2649 ns 4
replace symbols with std::string find_first_of + replace_stddev 41.4 ns 41.4 ns 4
replace symbols with std::string find_first_of + replace_cv 1.56 % 1.56 % 4
replace symbols with std::string_view find_first_of + copy_mean 1123 ns 1123 ns 4
replace symbols with std::string_view find_first_of + copy_median 1119 ns 1119 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 27.0 ns 27.0 ns 4
replace symbols with std::string_view find_first_of + copy_cv 2.40 % 2.40 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 1273 ns 1273 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 1269 ns 1269 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 42.9 ns 42.9 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 3.37 % 3.37 % 4
replace runtime symbols with simstr and memorization of all search results_mean 1067 ns 1067 ns 4
replace runtime symbols with simstr and memorization of all search results_median 1068 ns 1068 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 9.03 ns 9.03 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 0.85 % 0.85 % 4
replace const symbols with string expressions and without remembering all search results_mean 1029 ns 1029 ns 4
replace const symbols with string expressions and without remembering all search results_median 1021 ns 1021 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 24.0 ns 24.0 ns 4
replace const symbols with string expressions and without remembering all search results_cv 2.33 % 2.33 % 4
replace const symbols with string expressions and memorization of all search results_mean 887 ns 887 ns 4
replace const symbols with string expressions and memorization of all search results_median 884 ns 884 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 19.8 ns 19.8 ns 4
replace const symbols with string expressions and memorization of all search results_cv 2.23 % 2.23 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 166 ns 166 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 166 ns 166 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 1.88 ns 1.88 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 1.13 % 1.13 % 4
Short replace symbols with std::string find_first_of + replace_mean 334 ns 334 ns 4
Short replace symbols with std::string find_first_of + replace_median 334 ns 334 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 5.22 ns 5.23 ns 4
Short replace symbols with std::string find_first_of + replace_cv 1.57 % 1.57 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 154 ns 154 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 152 ns 152 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 4.50 ns 4.50 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 2.92 % 2.92 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 169 ns 169 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 169 ns 169 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 2.26 ns 2.26 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 1.34 % 1.34 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 201 ns 201 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 200 ns 200 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 2.87 ns 2.87 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 1.43 % 1.43 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 130 ns 130 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 131 ns 131 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 2.75 ns 2.75 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 2.12 % 2.12 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 145 ns 145 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 145 ns 145 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 1.24 ns 1.24 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 0.85 % 0.85 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 151 ns 151 ns 4
replace bb to ---- in std::string|64_median 150 ns 150 ns 4
replace bb to ---- in std::string|64_stddev 2.03 ns 2.03 ns 4
replace bb to ---- in std::string|64_cv 1.34 % 1.34 % 4
replace bb to ---- in std::string|256_mean 603 ns 603 ns 4
replace bb to ---- in std::string|256_median 600 ns 600 ns 4
replace bb to ---- in std::string|256_stddev 7.38 ns 7.38 ns 4
replace bb to ---- in std::string|256_cv 1.22 % 1.22 % 4
replace bb to ---- in std::string|512_mean 1060 ns 1060 ns 4
replace bb to ---- in std::string|512_median 1058 ns 1058 ns 4
replace bb to ---- in std::string|512_stddev 32.9 ns 32.9 ns 4
replace bb to ---- in std::string|512_cv 3.10 % 3.10 % 4
replace bb to ---- in std::string|1024_mean 2332 ns 2332 ns 4
replace bb to ---- in std::string|1024_median 2323 ns 2323 ns 4
replace bb to ---- in std::string|1024_stddev 156 ns 156 ns 4
replace bb to ---- in std::string|1024_cv 6.71 % 6.71 % 4
replace bb to ---- in std::string|2048_mean 5851 ns 5851 ns 4
replace bb to ---- in std::string|2048_median 5742 ns 5742 ns 4
replace bb to ---- in std::string|2048_stddev 405 ns 405 ns 4
replace bb to ---- in std::string|2048_cv 6.92 % 6.92 % 4
replace bb to ---- in lstringa<8>|64_mean 127 ns 127 ns 4
replace bb to ---- in lstringa<8>|64_median 126 ns 126 ns 4
replace bb to ---- in lstringa<8>|64_stddev 1.74 ns 1.74 ns 4
replace bb to ---- in lstringa<8>|64_cv 1.37 % 1.37 % 4
replace bb to ---- in lstringa<8>|256_mean 442 ns 442 ns 4
replace bb to ---- in lstringa<8>|256_median 439 ns 439 ns 4
replace bb to ---- in lstringa<8>|256_stddev 9.86 ns 9.86 ns 4
replace bb to ---- in lstringa<8>|256_cv 2.23 % 2.23 % 4
replace bb to ---- in lstringa<8>|512_mean 831 ns 831 ns 4
replace bb to ---- in lstringa<8>|512_median 832 ns 832 ns 4
replace bb to ---- in lstringa<8>|512_stddev 13.7 ns 13.7 ns 4
replace bb to ---- in lstringa<8>|512_cv 1.65 % 1.65 % 4
replace bb to ---- in lstringa<8>|1024_mean 1698 ns 1698 ns 4
replace bb to ---- in lstringa<8>|1024_median 1696 ns 1696 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 26.9 ns 26.9 ns 4
replace bb to ---- in lstringa<8>|1024_cv 1.59 % 1.59 % 4
replace bb to ---- in lstringa<8>|2048_mean 3256 ns 3256 ns 4
replace bb to ---- in lstringa<8>|2048_median 3280 ns 3280 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 73.1 ns 73.1 ns 4
replace bb to ---- in lstringa<8>|2048_cv 2.25 % 2.25 % 4
replace bb to ---- by init stringa|64_mean 91.5 ns 91.5 ns 4
replace bb to ---- by init stringa|64_median 91.9 ns 91.9 ns 4
replace bb to ---- by init stringa|64_stddev 3.42 ns 3.42 ns 4
replace bb to ---- by init stringa|64_cv 3.74 % 3.74 % 4
replace bb to ---- by init stringa|256_mean 306 ns 306 ns 4
replace bb to ---- by init stringa|256_median 305 ns 305 ns 4
replace bb to ---- by init stringa|256_stddev 7.25 ns 7.25 ns 4
replace bb to ---- by init stringa|256_cv 2.37 % 2.37 % 4
replace bb to ---- by init stringa|512_mean 718 ns 718 ns 4
replace bb to ---- by init stringa|512_median 719 ns 719 ns 4
replace bb to ---- by init stringa|512_stddev 7.71 ns 7.71 ns 4
replace bb to ---- by init stringa|512_cv 1.07 % 1.07 % 4
replace bb to ---- by init stringa|1024_mean 1629 ns 1629 ns 4
replace bb to ---- by init stringa|1024_median 1626 ns 1626 ns 4
replace bb to ---- by init stringa|1024_stddev 21.1 ns 21.1 ns 4
replace bb to ---- by init stringa|1024_cv 1.30 % 1.30 % 4
replace bb to ---- by init stringa|2048_mean 3400 ns 3400 ns 4
replace bb to ---- by init stringa|2048_median 3411 ns 3411 ns 4
replace bb to ---- by init stringa|2048_stddev 57.0 ns 57.0 ns 4
replace bb to ---- by init stringa|2048_cv 1.68 % 1.68 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 114 ns 114 ns 4
replace bb to -- in std::string|64_median 113 ns 113 ns 4
replace bb to -- in std::string|64_stddev 3.00 ns 3.00 ns 4
replace bb to -- in std::string|64_cv 2.62 % 2.62 % 4
replace bb to -- in std::string|256_mean 390 ns 390 ns 4
replace bb to -- in std::string|256_median 391 ns 391 ns 4
replace bb to -- in std::string|256_stddev 6.46 ns 6.46 ns 4
replace bb to -- in std::string|256_cv 1.66 % 1.66 % 4
replace bb to -- in std::string|512_mean 743 ns 743 ns 4
replace bb to -- in std::string|512_median 741 ns 741 ns 4
replace bb to -- in std::string|512_stddev 7.17 ns 7.17 ns 4
replace bb to -- in std::string|512_cv 0.97 % 0.97 % 4
replace bb to -- in std::string|1024_mean 1477 ns 1477 ns 4
replace bb to -- in std::string|1024_median 1477 ns 1477 ns 4
replace bb to -- in std::string|1024_stddev 22.5 ns 22.5 ns 4
replace bb to -- in std::string|1024_cv 1.52 % 1.52 % 4
replace bb to -- in std::string|2048_mean 2929 ns 2929 ns 4
replace bb to -- in std::string|2048_median 2932 ns 2932 ns 4
replace bb to -- in std::string|2048_stddev 32.1 ns 32.1 ns 4
replace bb to -- in std::string|2048_cv 1.09 % 1.09 % 4
replace bb to -- in lstringa<8>|64_mean 89.2 ns 89.2 ns 4
replace bb to -- in lstringa<8>|64_median 88.6 ns 88.6 ns 4
replace bb to -- in lstringa<8>|64_stddev 1.62 ns 1.62 ns 4
replace bb to -- in lstringa<8>|64_cv 1.82 % 1.82 % 4
replace bb to -- in lstringa<8>|256_mean 295 ns 295 ns 4
replace bb to -- in lstringa<8>|256_median 296 ns 296 ns 4
replace bb to -- in lstringa<8>|256_stddev 5.80 ns 5.80 ns 4
replace bb to -- in lstringa<8>|256_cv 1.97 % 1.97 % 4
replace bb to -- in lstringa<8>|512_mean 553 ns 553 ns 4
replace bb to -- in lstringa<8>|512_median 547 ns 547 ns 4
replace bb to -- in lstringa<8>|512_stddev 15.1 ns 14.9 ns 4
replace bb to -- in lstringa<8>|512_cv 2.72 % 2.69 % 4
replace bb to -- in lstringa<8>|1024_mean 1122 ns 1122 ns 4
replace bb to -- in lstringa<8>|1024_median 1112 ns 1112 ns 4
replace bb to -- in lstringa<8>|1024_stddev 33.2 ns 33.2 ns 4
replace bb to -- in lstringa<8>|1024_cv 2.96 % 2.96 % 4
replace bb to -- in lstringa<8>|2048_mean 2088 ns 2088 ns 4
replace bb to -- in lstringa<8>|2048_median 2076 ns 2076 ns 4
replace bb to -- in lstringa<8>|2048_stddev 33.4 ns 33.4 ns 4
replace bb to -- in lstringa<8>|2048_cv 1.60 % 1.60 % 4
replace bb to -- by init stringa|64_mean 73.9 ns 73.9 ns 4
replace bb to -- by init stringa|64_median 74.1 ns 74.1 ns 4
replace bb to -- by init stringa|64_stddev 1.95 ns 1.95 ns 4
replace bb to -- by init stringa|64_cv 2.63 % 2.63 % 4
replace bb to -- by init stringa|256_mean 240 ns 240 ns 4
replace bb to -- by init stringa|256_median 240 ns 240 ns 4
replace bb to -- by init stringa|256_stddev 3.28 ns 3.28 ns 4
replace bb to -- by init stringa|256_cv 1.37 % 1.37 % 4
replace bb to -- by init stringa|512_mean 434 ns 434 ns 4
replace bb to -- by init stringa|512_median 434 ns 434 ns 4
replace bb to -- by init stringa|512_stddev 4.69 ns 4.69 ns 4
replace bb to -- by init stringa|512_cv 1.08 % 1.08 % 4
replace bb to -- by init stringa|1024_mean 898 ns 898 ns 4
replace bb to -- by init stringa|1024_median 897 ns 897 ns 4
replace bb to -- by init stringa|1024_stddev 22.5 ns 22.5 ns 4
replace bb to -- by init stringa|1024_cv 2.51 % 2.51 % 4
replace bb to -- by init stringa|2048_mean 1709 ns 1709 ns 4
replace bb to -- by init stringa|2048_median 1711 ns 1711 ns 4
replace bb to -- by init stringa|2048_stddev 28.4 ns 28.4 ns 4
replace bb to -- by init stringa|2048_cv 1.66 % 1.66 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3754473 ns 3754484 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 3770505 ns 3770516 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 44910 ns 44913 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 1.20 % 1.20 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3584569 ns 3584594 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3584871 ns 3584864 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 54232 ns 54206 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 1.51 % 1.51 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 3718652 ns 3718652 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 3722300 ns 3722310 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 63421 ns 63405 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 1.71 % 1.71 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4196609 ns 4196628 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4205044 ns 4205067 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 39442 ns 39443 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 0.94 % 0.94 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 673 ns 673 ns 4
Build func full name std::string;_median 673 ns 673 ns 4
Build func full name std::string;_stddev 6.64 ns 6.64 ns 4
Build func full name std::string;_cv 0.99 % 0.99 % 4
Build func full name std::string 1;_mean 768 ns 768 ns 4
Build func full name std::string 1;_median 770 ns 770 ns 4
Build func full name std::string 1;_stddev 19.1 ns 19.1 ns 4
Build func full name std::string 1;_cv 2.49 % 2.49 % 4
Build func full name std::stream;_mean 3165 ns 3165 ns 4
Build func full name std::stream;_median 3169 ns 3169 ns 4
Build func full name std::stream;_stddev 34.1 ns 34.1 ns 4
Build func full name std::stream;_cv 1.08 % 1.08 % 4
Build func full name stringa;_mean 472 ns 472 ns 4
Build func full name stringa;_median 474 ns 474 ns 4
Build func full name stringa;_stddev 10.3 ns 10.3 ns 4
Build func full name stringa;_cv 2.18 % 2.18 % 4
Build func full name stringa 1;_mean 616 ns 616 ns 4
Build func full name stringa 1;_median 600 ns 600 ns 4
Build func full name stringa 1;_stddev 37.3 ns 37.3 ns 4
Build func full name stringa 1;_cv 6.06 % 6.06 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 162 ns 162 ns 4
To upper case std::wstring_median 161 ns 161 ns 4
To upper case std::wstring_stddev 3.72 ns 3.72 ns 4
To upper case std::wstring_cv 2.29 % 2.29 % 4
To upper case lstringw<15>_mean 43.7 ns 43.7 ns 4
To upper case lstringw<15>_median 42.9 ns 42.9 ns 4
To upper case lstringw<15>_stddev 1.64 ns 1.64 ns 4
To upper case lstringw<15>_cv 3.75 % 3.75 % 4

View File

@ -0,0 +1,989 @@
Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler Clang 22.0.0, use libc++
2026-03-22T13:31:21+03:00
Running ./benchStr
Run on (32 X 2494.22 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
Load Average: 0.28, 0.77, 0.74
***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 170 ns 170 ns 4
Concat email std::format_median 170 ns 170 ns 4
Concat email std::format_stddev 3.56 ns 3.56 ns 4
Concat email std::format_cv 2.09 % 2.09 % 4
Concat email std::stringstream_mean 279 ns 279 ns 4
Concat email std::stringstream_median 277 ns 277 ns 4
Concat email std::stringstream_stddev 4.82 ns 4.82 ns 4
Concat email std::stringstream_cv 1.73 % 1.73 % 4
Concat email stringzilla append_mean 141 ns 141 ns 4
Concat email stringzilla append_median 141 ns 141 ns 4
Concat email stringzilla append_stddev 1.31 ns 1.31 ns 4
Concat email stringzilla append_cv 0.93 % 0.93 % 4
Concat email stringzilla concat_mean 55.0 ns 55.0 ns 4
Concat email stringzilla concat_median 55.5 ns 55.5 ns 4
Concat email stringzilla concat_stddev 1.41 ns 1.41 ns 4
Concat email stringzilla concat_cv 2.57 % 2.57 % 4
Concat email std::string append_mean 91.0 ns 91.0 ns 4
Concat email std::string append_median 91.0 ns 91.0 ns 4
Concat email std::string append_stddev 0.590 ns 0.591 ns 4
Concat email std::string append_cv 0.65 % 0.65 % 4
Concat email std::string by strexpr_mean 46.8 ns 46.8 ns 4
Concat email std::string by strexpr_median 46.7 ns 46.7 ns 4
Concat email std::string by strexpr_stddev 1.12 ns 1.13 ns 4
Concat email std::string by strexpr_cv 2.40 % 2.40 % 4
Concat email stringa_mean 38.7 ns 38.7 ns 4
Concat email stringa_median 38.6 ns 38.6 ns 4
Concat email stringa_stddev 0.446 ns 0.446 ns 4
Concat email stringa_cv 1.15 % 1.15 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 242 ns 242 ns 4
Concat std::string and number by std to std::string_median 242 ns 242 ns 4
Concat std::string and number by std to std::string_stddev 4.41 ns 4.41 ns 4
Concat std::string and number by std to std::string_cv 1.82 % 1.82 % 4
Concat std::string and number by StrExpr to std::string_mean 102 ns 102 ns 4
Concat std::string and number by StrExpr to std::string_median 102 ns 102 ns 4
Concat std::string and number by StrExpr to std::string_stddev 2.17 ns 2.17 ns 4
Concat std::string and number by StrExpr to std::string_cv 2.13 % 2.13 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 64.3 ns 64.3 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 64.5 ns 64.5 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 0.626 ns 0.626 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 0.97 % 0.97 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 72.1 ns 72.1 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 72.6 ns 72.6 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 1.16 ns 1.16 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 1.61 % 1.61 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 724 ns 724 ns 4
Concat std::string and format hex number and literal to std::string_median 719 ns 719 ns 4
Concat std::string and format hex number and literal to std::string_stddev 20.0 ns 20.0 ns 4
Concat std::string and format hex number and literal to std::string_cv 2.76 % 2.77 % 4
std::format std::string and hex number by literal to std::string_mean 783 ns 783 ns 4
std::format std::string and hex number by literal to std::string_median 784 ns 784 ns 4
std::format std::string and hex number by literal to std::string_stddev 20.1 ns 20.1 ns 4
std::format std::string and hex number by literal to std::string_cv 2.56 % 2.56 % 4
Concat std::string and std::to_chars and string to std::string_mean 221 ns 221 ns 4
Concat std::string and std::to_chars and string to std::string_median 222 ns 222 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 3.44 ns 3.44 ns 4
Concat std::string and std::to_chars and string to std::string_cv 1.56 % 1.56 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 150 ns 150 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 151 ns 151 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 2.94 ns 2.94 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 1.96 % 1.96 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 120 ns 120 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 119 ns 119 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 1.85 ns 1.85 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 1.54 % 1.54 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 124 ns 124 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 124 ns 124 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 2.45 ns 2.45 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.97 % 1.97 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 187 ns 187 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 186 ns 186 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.21 ns 4.21 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.25 % 2.25 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 332 ns 332 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 334 ns 334 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 5.45 ns 5.45 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 1.64 % 1.64 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 278 ns 278 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 277 ns 277 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 3.23 ns 3.23 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 1.16 % 1.16 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 358 ns 358 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 358 ns 358 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 4.17 ns 4.17 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 1.16 % 1.16 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 608 ns 608 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 607 ns 607 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 8.27 ns 8.26 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 1.36 % 1.36 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 697 ns 697 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 695 ns 695 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 8.91 ns 8.91 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 1.28 % 1.28 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 814 ns 814 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 810 ns 810 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 23.1 ns 23.1 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 2.84 % 2.84 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 1268 ns 1268 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 1255 ns 1255 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 30.3 ns 30.3 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 2.39 % 2.39 % 4
std::vformat(pattern, std::make_format_args(i))_mean 1228 ns 1228 ns 4
std::vformat(pattern, std::make_format_args(i))_median 1227 ns 1227 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 9.77 ns 9.77 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 0.80 % 0.80 % 4
std::format with std::formatted_size_mean 2175 ns 2175 ns 4
std::format with std::formatted_size_median 2181 ns 2180 ns 4
std::format with std::formatted_size_stddev 13.9 ns 13.9 ns 4
std::format with std::formatted_size_cv 0.64 % 0.64 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 2608 ns 2608 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 2609 ns 2609 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 18.4 ns 18.4 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 0.71 % 0.70 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 34.1 ns 34.1 ns 4
Concat std::string by std to std::string_median 33.7 ns 33.7 ns 4
Concat std::string by std to std::string_stddev 0.874 ns 0.874 ns 4
Concat std::string by std to std::string_cv 2.56 % 2.56 % 4
Concat std::string by StrExpr to std::string_mean 37.3 ns 37.3 ns 4
Concat std::string by StrExpr to std::string_median 37.2 ns 37.2 ns 4
Concat std::string by StrExpr to std::string_stddev 0.340 ns 0.340 ns 4
Concat std::string by StrExpr to std::string_cv 0.91 % 0.91 % 4
Concat stringa by StrExpr to stringa_mean 28.3 ns 28.3 ns 4
Concat stringa by StrExpr to stringa_median 28.0 ns 28.0 ns 4
Concat stringa by StrExpr to stringa_stddev 0.716 ns 0.716 ns 4
Concat stringa by StrExpr to stringa_cv 2.53 % 2.53 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 92.4 ns 92.4 ns 4
Find concat three std::string_median 92.1 ns 92.1 ns 4
Find concat three std::string_stddev 1.44 ns 1.44 ns 4
Find concat three std::string_cv 1.56 % 1.56 % 4
Find concat three strexpr_mean 46.5 ns 46.5 ns 4
Find concat three strexpr_median 45.9 ns 45.9 ns 4
Find concat three strexpr_stddev 1.25 ns 1.25 ns 4
Find concat three strexpr_cv 2.68 % 2.68 % 4
Find concat three simstr_mean 17.0 ns 17.0 ns 4
Find concat three simstr_median 16.9 ns 16.9 ns 4
Find concat three simstr_stddev 0.649 ns 0.649 ns 4
Find concat three simstr_cv 3.81 % 3.81 % 4
Find concat three stringzilla string_mean 176 ns 176 ns 4
Find concat three stringzilla string_median 177 ns 177 ns 4
Find concat three stringzilla string_stddev 4.56 ns 4.56 ns 4
Find concat three stringzilla string_cv 2.59 % 2.59 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 6.45 ns 6.44 ns 4
BuildTypeNameStr 0/0_median 6.46 ns 6.46 ns 4
BuildTypeNameStr 0/0_stddev 0.192 ns 0.192 ns 4
BuildTypeNameStr 0/0_cv 2.97 % 2.97 % 4
BuildTypeNameExp 0/0_mean 6.41 ns 6.41 ns 4
BuildTypeNameExp 0/0_median 6.39 ns 6.39 ns 4
BuildTypeNameExp 0/0_stddev 0.052 ns 0.052 ns 4
BuildTypeNameExp 0/0_cv 0.81 % 0.81 % 4
BuildTypeNameSim 0/0_mean 4.99 ns 4.99 ns 4
BuildTypeNameSim 0/0_median 4.98 ns 4.98 ns 4
BuildTypeNameSim 0/0_stddev 0.092 ns 0.092 ns 4
BuildTypeNameSim 0/0_cv 1.84 % 1.84 % 4
BuildTypeNameStr 10/10_mean 90.0 ns 90.0 ns 4
BuildTypeNameStr 10/10_median 89.9 ns 89.9 ns 4
BuildTypeNameStr 10/10_stddev 0.738 ns 0.739 ns 4
BuildTypeNameStr 10/10_cv 0.82 % 0.82 % 4
BuildTypeNameExp 10/10_mean 39.0 ns 39.0 ns 4
BuildTypeNameExp 10/10_median 39.2 ns 39.2 ns 4
BuildTypeNameExp 10/10_stddev 1.05 ns 1.05 ns 4
BuildTypeNameExp 10/10_cv 2.70 % 2.70 % 4
BuildTypeNameSim 10/10_mean 23.6 ns 23.6 ns 4
BuildTypeNameSim 10/10_median 23.6 ns 23.6 ns 4
BuildTypeNameSim 10/10_stddev 0.539 ns 0.539 ns 4
BuildTypeNameSim 10/10_cv 2.28 % 2.28 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 243 ns 243 ns 4
Concat with replace str_median 243 ns 243 ns 4
Concat with replace str_stddev 5.58 ns 5.58 ns 4
Concat with replace str_cv 2.29 % 2.29 % 4
Concat with replace exp_mean 151 ns 151 ns 4
Concat with replace exp_median 151 ns 151 ns 4
Concat with replace exp_stddev 1.04 ns 1.03 ns 4
Concat with replace exp_cv 0.69 % 0.69 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 0.758 ns 0.758 ns 4
std::string e;_median 0.756 ns 0.756 ns 4
std::string e;_stddev 0.006 ns 0.006 ns 4
std::string e;_cv 0.74 % 0.74 % 4
std::string_view e;_mean 0.380 ns 0.380 ns 4
std::string_view e;_median 0.380 ns 0.380 ns 4
std::string_view e;_stddev 0.002 ns 0.002 ns 4
std::string_view e;_cv 0.49 % 0.49 % 4
ssa e;_mean 0.375 ns 0.375 ns 4
ssa e;_median 0.375 ns 0.375 ns 4
ssa e;_stddev 0.006 ns 0.006 ns 4
ssa e;_cv 1.57 % 1.57 % 4
stringa e;_mean 0.754 ns 0.754 ns 4
stringa e;_median 0.754 ns 0.754 ns 4
stringa e;_stddev 0.005 ns 0.005 ns 4
stringa e;_cv 0.66 % 0.66 % 4
lstringa<20> e;_mean 1.13 ns 1.13 ns 4
lstringa<20> e;_median 1.12 ns 1.12 ns 4
lstringa<20> e;_stddev 0.026 ns 0.026 ns 4
lstringa<20> e;_cv 2.28 % 2.28 % 4
lstringa<40> e;_mean 1.14 ns 1.14 ns 4
lstringa<40> e;_median 1.15 ns 1.15 ns 4
lstringa<40> e;_stddev 0.027 ns 0.027 ns 4
lstringa<40> e;_cv 2.39 % 2.39 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.51 ns 1.51 ns 4
std::string e = "Test text";_median 1.51 ns 1.51 ns 4
std::string e = "Test text";_stddev 0.020 ns 0.020 ns 4
std::string e = "Test text";_cv 1.30 % 1.30 % 4
std::string_view e = "Test text";_mean 0.767 ns 0.767 ns 4
std::string_view e = "Test text";_median 0.765 ns 0.765 ns 4
std::string_view e = "Test text";_stddev 0.010 ns 0.010 ns 4
std::string_view e = "Test text";_cv 1.33 % 1.33 % 4
ssa e = "Test text";_mean 0.381 ns 0.381 ns 4
ssa e = "Test text";_median 0.382 ns 0.382 ns 4
ssa e = "Test text";_stddev 0.006 ns 0.006 ns 4
ssa e = "Test text";_cv 1.64 % 1.64 % 4
stringa e = "Test text";_mean 1.13 ns 1.13 ns 4
stringa e = "Test text";_median 1.13 ns 1.13 ns 4
stringa e = "Test text";_stddev 0.014 ns 0.014 ns 4
stringa e = "Test text";_cv 1.24 % 1.24 % 4
lstringa<20> e = "Test text";_mean 1.89 ns 1.89 ns 4
lstringa<20> e = "Test text";_median 1.89 ns 1.89 ns 4
lstringa<20> e = "Test text";_stddev 0.038 ns 0.038 ns 4
lstringa<20> e = "Test text";_cv 2.03 % 2.03 % 4
lstringa<40> e = "Test text";_mean 1.86 ns 1.86 ns 4
lstringa<40> e = "Test text";_median 1.86 ns 1.86 ns 4
lstringa<40> e = "Test text";_stddev 0.017 ns 0.017 ns 4
lstringa<40> e = "Test text";_cv 0.92 % 0.92 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 19.3 ns 19.3 ns 4
std::string e = "123456789012345678901234567890";_median 19.3 ns 19.2 ns 4
std::string e = "123456789012345678901234567890";_stddev 0.214 ns 0.214 ns 4
std::string e = "123456789012345678901234567890";_cv 1.11 % 1.11 % 4
std::string_view e = "123456789012345678901234567890";_mean 0.745 ns 0.745 ns 4
std::string_view e = "123456789012345678901234567890";_median 0.745 ns 0.745 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.016 ns 0.016 ns 4
std::string_view e = "123456789012345678901234567890";_cv 2.09 % 2.09 % 4
ssa e = "123456789012345678901234567890";_mean 0.374 ns 0.374 ns 4
ssa e = "123456789012345678901234567890";_median 0.373 ns 0.373 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.004 ns 0.004 ns 4
ssa e = "123456789012345678901234567890";_cv 1.01 % 1.01 % 4
stringa e = "123456789012345678901234567890";_mean 1.12 ns 1.12 ns 4
stringa e = "123456789012345678901234567890";_median 1.12 ns 1.12 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.017 ns 0.017 ns 4
stringa e = "123456789012345678901234567890";_cv 1.53 % 1.53 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 18.9 ns 18.9 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 18.9 ns 18.9 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 0.143 ns 0.143 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 0.75 % 0.75 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 1.89 ns 1.89 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 1.89 ns 1.89 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.023 ns 0.023 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 1.21 % 1.22 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 1.18 ns 1.18 ns 4
std::string e = "Test text"; auto c{e};_median 1.18 ns 1.18 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.010 ns 0.010 ns 4
std::string e = "Test text"; auto c{e};_cv 0.82 % 0.82 % 4
std::string_view e = "Test text"; auto c{e};_mean 0.377 ns 0.377 ns 4
std::string_view e = "Test text"; auto c{e};_median 0.375 ns 0.375 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.004 ns 0.004 ns 4
std::string_view e = "Test text"; auto c{e};_cv 1.03 % 1.03 % 4
ssa e = "Test text"; auto c{e};_mean 0.378 ns 0.378 ns 4
ssa e = "Test text"; auto c{e};_median 0.378 ns 0.378 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.003 ns 0.003 ns 4
ssa e = "Test text"; auto c{e};_cv 0.80 % 0.80 % 4
stringa e = "Test text"; auto c{e};_mean 1.13 ns 1.13 ns 4
stringa e = "Test text"; auto c{e};_median 1.13 ns 1.13 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.020 ns 0.020 ns 4
stringa e = "Test text"; auto c{e};_cv 1.76 % 1.76 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 1.12 ns 1.12 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 1.12 ns 1.12 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.012 ns 0.012 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 1.04 % 1.04 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 1.85 ns 1.85 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 1.85 ns 1.85 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.023 ns 0.023 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 1.27 % 1.27 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 24.9 ns 24.9 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 24.8 ns 24.8 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.277 ns 0.277 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.11 % 1.11 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.757 ns 0.757 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.754 ns 0.754 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.013 ns 0.013 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.67 % 1.67 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.381 ns 0.381 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.382 ns 0.382 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.004 ns 0.004 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.01 % 1.01 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.019 ns 0.019 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.66 % 1.66 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 18.0 ns 18.0 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 18.1 ns 18.1 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.454 ns 0.454 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 2.52 % 2.52 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 5.53 ns 5.53 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 5.52 ns 5.52 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.080 ns 0.080 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 1.45 % 1.45 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 96.5 ns 96.5 ns 4
sz::string::find;_median 96.3 ns 96.3 ns 4
sz::string::find;_stddev 1.47 ns 1.47 ns 4
sz::string::find;_cv 1.53 % 1.53 % 4
std::string::find;_mean 7.76 ns 7.76 ns 4
std::string::find;_median 7.84 ns 7.84 ns 4
std::string::find;_stddev 0.180 ns 0.180 ns 4
std::string::find;_cv 2.31 % 2.31 % 4
std::string_view::find;_mean 7.82 ns 7.82 ns 4
std::string_view::find;_median 7.85 ns 7.84 ns 4
std::string_view::find;_stddev 0.082 ns 0.082 ns 4
std::string_view::find;_cv 1.05 % 1.05 % 4
ssa::find;_mean 7.82 ns 7.82 ns 4
ssa::find;_median 7.81 ns 7.81 ns 4
ssa::find;_stddev 0.113 ns 0.113 ns 4
ssa::find;_cv 1.44 % 1.45 % 4
stringa::find;_mean 8.60 ns 8.60 ns 4
stringa::find;_median 8.59 ns 8.59 ns 4
stringa::find;_stddev 0.045 ns 0.045 ns 4
stringa::find;_cv 0.52 % 0.52 % 4
lstringa<20>::find;_mean 6.98 ns 6.98 ns 4
lstringa<20>::find;_median 6.95 ns 6.95 ns 4
lstringa<20>::find;_stddev 0.090 ns 0.090 ns 4
lstringa<20>::find;_cv 1.29 % 1.29 % 4
lstringa<40>::find;_mean 7.01 ns 7.01 ns 4
lstringa<40>::find;_median 7.02 ns 7.02 ns 4
lstringa<40>::find;_stddev 0.253 ns 0.253 ns 4
lstringa<40>::find;_cv 3.61 % 3.61 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 1.18 ns 1.18 ns 4
std::string copy{str_with_len_N};/15_median 1.17 ns 1.17 ns 4
std::string copy{str_with_len_N};/15_stddev 0.043 ns 0.043 ns 4
std::string copy{str_with_len_N};/15_cv 3.65 % 3.65 % 4
std::string copy{str_with_len_N};/16_mean 1.16 ns 1.16 ns 4
std::string copy{str_with_len_N};/16_median 1.16 ns 1.16 ns 4
std::string copy{str_with_len_N};/16_stddev 0.028 ns 0.028 ns 4
std::string copy{str_with_len_N};/16_cv 2.42 % 2.42 % 4
std::string copy{str_with_len_N};/23_mean 25.8 ns 25.8 ns 4
std::string copy{str_with_len_N};/23_median 25.6 ns 25.6 ns 4
std::string copy{str_with_len_N};/23_stddev 0.708 ns 0.707 ns 4
std::string copy{str_with_len_N};/23_cv 2.75 % 2.75 % 4
std::string copy{str_with_len_N};/24_mean 24.8 ns 24.8 ns 4
std::string copy{str_with_len_N};/24_median 24.9 ns 24.9 ns 4
std::string copy{str_with_len_N};/24_stddev 0.390 ns 0.390 ns 4
std::string copy{str_with_len_N};/24_cv 1.57 % 1.57 % 4
std::string copy{str_with_len_N};/32_mean 24.7 ns 24.7 ns 4
std::string copy{str_with_len_N};/32_median 24.9 ns 24.9 ns 4
std::string copy{str_with_len_N};/32_stddev 0.466 ns 0.466 ns 4
std::string copy{str_with_len_N};/32_cv 1.88 % 1.89 % 4
std::string copy{str_with_len_N};/64_mean 26.2 ns 26.2 ns 4
std::string copy{str_with_len_N};/64_median 26.2 ns 26.2 ns 4
std::string copy{str_with_len_N};/64_stddev 0.221 ns 0.221 ns 4
std::string copy{str_with_len_N};/64_cv 0.84 % 0.84 % 4
std::string copy{str_with_len_N};/128_mean 26.8 ns 26.8 ns 4
std::string copy{str_with_len_N};/128_median 26.8 ns 26.8 ns 4
std::string copy{str_with_len_N};/128_stddev 0.300 ns 0.300 ns 4
std::string copy{str_with_len_N};/128_cv 1.12 % 1.12 % 4
std::string copy{str_with_len_N};/256_mean 27.5 ns 27.5 ns 4
std::string copy{str_with_len_N};/256_median 27.5 ns 27.5 ns 4
std::string copy{str_with_len_N};/256_stddev 0.234 ns 0.234 ns 4
std::string copy{str_with_len_N};/256_cv 0.85 % 0.85 % 4
std::string copy{str_with_len_N};/512_mean 31.6 ns 31.6 ns 4
std::string copy{str_with_len_N};/512_median 31.6 ns 31.6 ns 4
std::string copy{str_with_len_N};/512_stddev 0.751 ns 0.751 ns 4
std::string copy{str_with_len_N};/512_cv 2.38 % 2.38 % 4
std::string copy{str_with_len_N};/1024_mean 38.4 ns 38.4 ns 4
std::string copy{str_with_len_N};/1024_median 38.4 ns 38.4 ns 4
std::string copy{str_with_len_N};/1024_stddev 1.03 ns 1.03 ns 4
std::string copy{str_with_len_N};/1024_cv 2.67 % 2.67 % 4
std::string copy{str_with_len_N};/2048_mean 86.0 ns 86.0 ns 4
std::string copy{str_with_len_N};/2048_median 87.3 ns 87.3 ns 4
std::string copy{str_with_len_N};/2048_stddev 4.29 ns 4.29 ns 4
std::string copy{str_with_len_N};/2048_cv 4.99 % 4.99 % 4
std::string copy{str_with_len_N};/4096_mean 117 ns 117 ns 4
std::string copy{str_with_len_N};/4096_median 118 ns 118 ns 4
std::string copy{str_with_len_N};/4096_stddev 3.68 ns 3.68 ns 4
std::string copy{str_with_len_N};/4096_cv 3.14 % 3.14 % 4
stringa copy{str_with_len_N};/15_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/15_median 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/15_stddev 0.037 ns 0.037 ns 4
stringa copy{str_with_len_N};/15_cv 3.27 % 3.27 % 4
stringa copy{str_with_len_N};/16_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/16_median 1.14 ns 1.14 ns 4
stringa copy{str_with_len_N};/16_stddev 0.014 ns 0.014 ns 4
stringa copy{str_with_len_N};/16_cv 1.22 % 1.22 % 4
stringa copy{str_with_len_N};/23_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/23_median 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/23_stddev 0.006 ns 0.006 ns 4
stringa copy{str_with_len_N};/23_cv 0.58 % 0.58 % 4
stringa copy{str_with_len_N};/24_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/24_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/24_stddev 0.167 ns 0.167 ns 4
stringa copy{str_with_len_N};/24_cv 1.01 % 1.01 % 4
stringa copy{str_with_len_N};/32_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/32_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/32_stddev 0.075 ns 0.075 ns 4
stringa copy{str_with_len_N};/32_cv 0.46 % 0.46 % 4
stringa copy{str_with_len_N};/64_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/64_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/64_stddev 0.129 ns 0.129 ns 4
stringa copy{str_with_len_N};/64_cv 0.78 % 0.78 % 4
stringa copy{str_with_len_N};/128_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/128_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/128_stddev 0.176 ns 0.176 ns 4
stringa copy{str_with_len_N};/128_cv 1.06 % 1.06 % 4
stringa copy{str_with_len_N};/256_mean 16.6 ns 16.6 ns 4
stringa copy{str_with_len_N};/256_median 16.6 ns 16.6 ns 4
stringa copy{str_with_len_N};/256_stddev 0.081 ns 0.081 ns 4
stringa copy{str_with_len_N};/256_cv 0.49 % 0.49 % 4
stringa copy{str_with_len_N};/512_mean 16.6 ns 16.6 ns 4
stringa copy{str_with_len_N};/512_median 16.6 ns 16.6 ns 4
stringa copy{str_with_len_N};/512_stddev 0.117 ns 0.117 ns 4
stringa copy{str_with_len_N};/512_cv 0.71 % 0.71 % 4
stringa copy{str_with_len_N};/1024_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/1024_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.232 ns 0.232 ns 4
stringa copy{str_with_len_N};/1024_cv 1.41 % 1.41 % 4
stringa copy{str_with_len_N};/2048_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/2048_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.122 ns 0.122 ns 4
stringa copy{str_with_len_N};/2048_cv 0.74 % 0.74 % 4
stringa copy{str_with_len_N};/4096_mean 16.7 ns 16.7 ns 4
stringa copy{str_with_len_N};/4096_median 16.7 ns 16.7 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.175 ns 0.175 ns 4
stringa copy{str_with_len_N};/4096_cv 1.05 % 1.05 % 4
lstringa<16> copy{str_with_len_N};/15_mean 1.12 ns 1.12 ns 4
lstringa<16> copy{str_with_len_N};/15_median 1.12 ns 1.12 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.018 ns 0.018 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 1.63 % 1.63 % 4
lstringa<16> copy{str_with_len_N};/16_mean 5.35 ns 5.35 ns 4
lstringa<16> copy{str_with_len_N};/16_median 5.32 ns 5.32 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.139 ns 0.139 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 2.60 % 2.60 % 4
lstringa<16> copy{str_with_len_N};/23_mean 5.31 ns 5.31 ns 4
lstringa<16> copy{str_with_len_N};/23_median 5.33 ns 5.33 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.075 ns 0.075 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 1.42 % 1.42 % 4
lstringa<16> copy{str_with_len_N};/24_mean 21.8 ns 21.8 ns 4
lstringa<16> copy{str_with_len_N};/24_median 21.9 ns 21.9 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 0.457 ns 0.457 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 2.10 % 2.10 % 4
lstringa<16> copy{str_with_len_N};/32_mean 21.9 ns 21.9 ns 4
lstringa<16> copy{str_with_len_N};/32_median 21.8 ns 21.8 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 0.650 ns 0.650 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 2.97 % 2.97 % 4
lstringa<16> copy{str_with_len_N};/64_mean 23.1 ns 23.1 ns 4
lstringa<16> copy{str_with_len_N};/64_median 22.9 ns 22.9 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 0.476 ns 0.476 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 2.06 % 2.06 % 4
lstringa<16> copy{str_with_len_N};/128_mean 25.7 ns 25.7 ns 4
lstringa<16> copy{str_with_len_N};/128_median 25.8 ns 25.8 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 0.666 ns 0.666 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 2.59 % 2.59 % 4
lstringa<16> copy{str_with_len_N};/256_mean 24.8 ns 24.8 ns 4
lstringa<16> copy{str_with_len_N};/256_median 24.7 ns 24.7 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 0.339 ns 0.339 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 1.37 % 1.37 % 4
lstringa<16> copy{str_with_len_N};/512_mean 27.7 ns 27.7 ns 4
lstringa<16> copy{str_with_len_N};/512_median 27.7 ns 27.7 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 0.248 ns 0.248 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 0.90 % 0.90 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 78.4 ns 78.4 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 87.3 ns 87.3 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 19.5 ns 19.5 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 24.87 % 24.87 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 73.4 ns 73.4 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 76.1 ns 76.1 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 6.12 ns 6.12 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 8.34 % 8.34 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 88.6 ns 88.6 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 88.9 ns 88.9 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 0.993 ns 0.993 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 1.12 % 1.12 % 4
lstringa<512> copy{str_with_len_N};/15_mean 1.13 ns 1.13 ns 4
lstringa<512> copy{str_with_len_N};/15_median 1.14 ns 1.14 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.008 ns 0.008 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 0.74 % 0.74 % 4
lstringa<512> copy{str_with_len_N};/16_mean 4.98 ns 4.98 ns 4
lstringa<512> copy{str_with_len_N};/16_median 4.96 ns 4.96 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.149 ns 0.149 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 3.00 % 3.00 % 4
lstringa<512> copy{str_with_len_N};/23_mean 5.01 ns 5.01 ns 4
lstringa<512> copy{str_with_len_N};/23_median 5.02 ns 5.02 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.121 ns 0.120 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 2.41 % 2.40 % 4
lstringa<512> copy{str_with_len_N};/24_mean 4.59 ns 4.59 ns 4
lstringa<512> copy{str_with_len_N};/24_median 4.59 ns 4.59 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.088 ns 0.088 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 1.92 % 1.92 % 4
lstringa<512> copy{str_with_len_N};/32_mean 4.64 ns 4.64 ns 4
lstringa<512> copy{str_with_len_N};/32_median 4.64 ns 4.64 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.075 ns 0.075 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 1.61 % 1.61 % 4
lstringa<512> copy{str_with_len_N};/64_mean 6.06 ns 6.06 ns 4
lstringa<512> copy{str_with_len_N};/64_median 6.10 ns 6.10 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.122 ns 0.122 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 2.01 % 2.01 % 4
lstringa<512> copy{str_with_len_N};/128_mean 6.63 ns 6.63 ns 4
lstringa<512> copy{str_with_len_N};/128_median 6.60 ns 6.60 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.128 ns 0.128 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 1.93 % 1.93 % 4
lstringa<512> copy{str_with_len_N};/256_mean 17.3 ns 17.3 ns 4
lstringa<512> copy{str_with_len_N};/256_median 17.3 ns 17.3 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.252 ns 0.252 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 1.45 % 1.45 % 4
lstringa<512> copy{str_with_len_N};/512_mean 10.6 ns 10.6 ns 4
lstringa<512> copy{str_with_len_N};/512_median 10.6 ns 10.6 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.094 ns 0.094 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 0.88 % 0.88 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 52.1 ns 52.1 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 52.0 ns 52.0 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 1.85 ns 1.85 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 3.55 % 3.55 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 73.6 ns 73.6 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 76.5 ns 76.5 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 8.36 ns 8.36 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 11.35 % 11.35 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 90.1 ns 90.1 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 90.3 ns 90.3 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 0.860 ns 0.860 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 0.95 % 0.95 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 27.4 ns 27.4 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 27.5 ns 27.5 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.390 ns 0.390 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.42 % 1.42 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 17.5 ns 17.5 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 17.6 ns 17.6 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.354 ns 0.354 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.02 % 2.02 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.48 ns 9.48 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.50 ns 9.50 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.135 ns 0.135 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.42 % 1.42 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.76 ns 9.76 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.80 ns 9.80 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.135 ns 0.135 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.38 % 1.38 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.51 ns 9.51 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.53 ns 9.53 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.042 ns 0.042 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.44 % 0.44 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 24.4 ns 24.4 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 24.3 ns 24.3 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.490 ns 0.490 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.01 % 2.01 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 22.0 ns 22.0 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 22.2 ns 22.2 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.697 ns 0.697 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 3.17 % 3.17 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 8.28 ns 8.28 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 8.15 ns 8.15 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.363 ns 0.363 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 4.38 % 4.38 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 7.65 ns 7.65 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.63 ns 7.63 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.109 ns 0.109 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.43 % 1.43 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 7.84 ns 7.84 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.87 ns 7.87 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.130 ns 0.130 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.66 % 1.66 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 29.4 ns 29.4 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 29.3 ns 29.3 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.371 ns 0.371 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.26 % 1.26 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 11.4 ns 11.4 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 11.4 ns 11.4 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.079 ns 0.079 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 0.70 % 0.70 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 13.2 ns 13.2 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 13.2 ns 13.2 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.292 ns 0.292 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 2.21 % 2.21 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 65.8 ns 65.8 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 65.6 ns 65.6 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 0.998 ns 0.998 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 1.52 % 1.52 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res); ERROR OCCURRED: 'not implemented'
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res); ERROR OCCURRED: 'not implemented'
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res); ERROR OCCURRED: 'not implemented'
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res); ERROR OCCURRED: 'not implemented'
ssa s = "1234.567e10"; double res = *s.to_double()_mean 34.8 ns 34.8 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 34.7 ns 34.7 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.864 ns 0.864 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.48 % 2.48 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 2080 ns 2080 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 2077 ns 2077 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 35.9 ns 35.9 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 1.72 % 1.72 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 416 ns 416 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 416 ns 416 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 18.5 ns 18.5 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 4.45 % 4.45 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 362 ns 362 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 362 ns 362 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 3.73 ns 3.73 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.03 % 1.03 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 245 ns 245 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 248 ns 248 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 19.5 ns 19.5 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 7.96 % 7.96 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 217 ns 217 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 222 ns 222 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 16.2 ns 16.2 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 7.49 % 7.49 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 136 ns 136 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 136 ns 136 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 1.48 ns 1.48 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.09 % 1.08 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 2037 ns 2037 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 2042 ns 2042 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 54.5 ns 54.5 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.68 % 2.67 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1253 ns 1253 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1255 ns 1255 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 17.7 ns 17.7 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.41 % 1.41 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 401 ns 401 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 406 ns 406 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 23.1 ns 23.1 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.75 % 5.75 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 335 ns 335 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 346 ns 346 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 24.4 ns 24.4 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 7.29 % 7.29 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 291 ns 291 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 297 ns 297 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 18.8 ns 18.8 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.47 % 6.47 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 214 ns 214 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 214 ns 214 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 1.16 ns 1.16 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.54 % 0.54 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 159733 ns 159734 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 158296 ns 158296 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 6342 ns 6342 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.97 % 3.97 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 104710 ns 104710 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 104630 ns 104630 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1116 ns 1116 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.07 % 1.07 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 49815 ns 49815 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 49890 ns 49891 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 327 ns 327 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 0.66 % 0.66 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 27270 ns 27270 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 27160 ns 27160 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 903 ns 903 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.31 % 3.31 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16860 ns 16860 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16838 ns 16838 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 204 ns 204 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.21 % 1.21 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16899 ns 16899 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16878 ns 16878 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 88.6 ns 88.6 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 0.52 % 0.52 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 2073 ns 2073 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 2050 ns 2050 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 66.2 ns 66.2 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 3.19 % 3.19 % 4
std::string str; ... str += str_var1 + str_var2;_mean 1492 ns 1492 ns 4
std::string str; ... str += str_var1 + str_var2;_median 1494 ns 1494 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 29.6 ns 29.6 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 1.98 % 1.98 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 476 ns 476 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 480 ns 480 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 20.4 ns 20.4 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 4.29 % 4.29 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 448 ns 448 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 460 ns 460 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 27.7 ns 27.7 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 6.18 % 6.18 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 379 ns 379 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 385 ns 385 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 13.8 ns 13.8 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 3.63 % 3.63 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 298 ns 298 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 296 ns 296 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 4.34 ns 4.34 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.46 % 1.46 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 3419 ns 3419 ns 4
std::stringstream str; str << "test = " << k << " times";_median 3420 ns 3420 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 78.3 ns 78.3 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 2.29 % 2.29 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 474 ns 474 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 477 ns 477 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 9.20 ns 9.20 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 1.94 % 1.94 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1229 ns 1229 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1226 ns 1226 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 15.9 ns 15.9 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.29 % 1.29 % 4
std::string str = std::format("test = {} times", k);_mean 959 ns 959 ns 4
std::string str = std::format("test = {} times", k);_median 955 ns 955 ns 4
std::string str = std::format("test = {} times", k);_stddev 9.35 ns 9.35 ns 4
std::string str = std::format("test = {} times", k);_cv 0.97 % 0.97 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 2002 ns 2002 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 2000 ns 2000 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 27.3 ns 27.3 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 1.37 % 1.37 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 1745 ns 1745 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 1743 ns 1743 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 33.1 ns 33.1 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 1.90 % 1.90 % 4
lstringa<8> str = "test = " + k + " times";_mean 263 ns 263 ns 4
lstringa<8> str = "test = " + k + " times";_median 264 ns 264 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 5.32 ns 5.32 ns 4
lstringa<8> str = "test = " + k + " times";_cv 2.02 % 2.02 % 4
lstringa<32> str = "test = " + k + " times";_mean 119 ns 119 ns 4
lstringa<32> str = "test = " + k + " times";_median 119 ns 119 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 1.45 ns 1.45 ns 4
lstringa<32> str = "test = " + k + " times";_cv 1.22 % 1.22 % 4
stringa str = "test = " + k + " times";_mean 118 ns 118 ns 4
stringa str = "test = " + k + " times";_median 118 ns 118 ns 4
stringa str = "test = " + k + " times";_stddev 0.943 ns 0.943 ns 4
stringa str = "test = " + k + " times";_cv 0.80 % 0.80 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 277 ns 277 ns 4
std::string::find + substr + std::strtol_median 276 ns 276 ns 4
std::string::find + substr + std::strtol_stddev 2.54 ns 2.54 ns 4
std::string::find + substr + std::strtol_cv 0.92 % 0.92 % 4
ssa::splitter + ssa::as_int_mean 159 ns 159 ns 4
ssa::splitter + ssa::as_int_median 159 ns 159 ns 4
ssa::splitter + ssa::as_int_stddev 3.14 ns 3.14 ns 4
ssa::splitter + ssa::as_int_cv 1.97 % 1.97 % 4
ssa::splitf + functor_mean 213 ns 213 ns 4
ssa::splitf + functor_median 212 ns 212 ns 4
ssa::splitf + functor_stddev 8.20 ns 8.20 ns 4
ssa::splitf + functor_cv 3.84 % 3.84 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 916 ns 916 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 909 ns 909 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 27.2 ns 27.2 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 2.97 % 2.97 % 4
replace symbols with std::string find_first_of + replace_mean 2428 ns 2428 ns 4
replace symbols with std::string find_first_of + replace_median 2432 ns 2432 ns 4
replace symbols with std::string find_first_of + replace_stddev 22.9 ns 22.9 ns 4
replace symbols with std::string find_first_of + replace_cv 0.94 % 0.94 % 4
replace symbols with std::string_view find_first_of + copy_mean 1026 ns 1026 ns 4
replace symbols with std::string_view find_first_of + copy_median 1018 ns 1018 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 22.2 ns 22.2 ns 4
replace symbols with std::string_view find_first_of + copy_cv 2.16 % 2.16 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 1408 ns 1408 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 1410 ns 1410 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 14.7 ns 14.7 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 1.04 % 1.04 % 4
replace runtime symbols with simstr and memorization of all search results_mean 1083 ns 1083 ns 4
replace runtime symbols with simstr and memorization of all search results_median 1076 ns 1076 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 17.0 ns 17.0 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 1.57 % 1.57 % 4
replace const symbols with string expressions and without remembering all search results_mean 1128 ns 1128 ns 4
replace const symbols with string expressions and without remembering all search results_median 1130 ns 1130 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 7.02 ns 7.02 ns 4
replace const symbols with string expressions and without remembering all search results_cv 0.62 % 0.62 % 4
replace const symbols with string expressions and memorization of all search results_mean 820 ns 820 ns 4
replace const symbols with string expressions and memorization of all search results_median 812 ns 812 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 23.0 ns 23.0 ns 4
replace const symbols with string expressions and memorization of all search results_cv 2.81 % 2.81 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 177 ns 177 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 177 ns 177 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 0.976 ns 0.976 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 0.55 % 0.55 % 4
Short replace symbols with std::string find_first_of + replace_mean 324 ns 324 ns 4
Short replace symbols with std::string find_first_of + replace_median 325 ns 325 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 4.96 ns 4.96 ns 4
Short replace symbols with std::string find_first_of + replace_cv 1.53 % 1.53 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 141 ns 141 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 139 ns 139 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 4.79 ns 4.79 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 3.41 % 3.41 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 198 ns 198 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 197 ns 197 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 6.51 ns 6.51 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 3.29 % 3.29 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 186 ns 186 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 186 ns 186 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 2.39 ns 2.39 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 1.28 % 1.28 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 126 ns 126 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 126 ns 126 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 1.64 ns 1.64 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 1.30 % 1.30 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 136 ns 136 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 136 ns 136 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 2.88 ns 2.88 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 2.12 % 2.12 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 180 ns 180 ns 4
replace bb to ---- in std::string|64_median 181 ns 181 ns 4
replace bb to ---- in std::string|64_stddev 5.27 ns 5.27 ns 4
replace bb to ---- in std::string|64_cv 2.93 % 2.93 % 4
replace bb to ---- in std::string|256_mean 842 ns 842 ns 4
replace bb to ---- in std::string|256_median 844 ns 844 ns 4
replace bb to ---- in std::string|256_stddev 12.7 ns 12.7 ns 4
replace bb to ---- in std::string|256_cv 1.50 % 1.50 % 4
replace bb to ---- in std::string|512_mean 1259 ns 1259 ns 4
replace bb to ---- in std::string|512_median 1269 ns 1269 ns 4
replace bb to ---- in std::string|512_stddev 30.9 ns 30.9 ns 4
replace bb to ---- in std::string|512_cv 2.45 % 2.45 % 4
replace bb to ---- in std::string|1024_mean 2422 ns 2422 ns 4
replace bb to ---- in std::string|1024_median 2423 ns 2423 ns 4
replace bb to ---- in std::string|1024_stddev 19.3 ns 19.3 ns 4
replace bb to ---- in std::string|1024_cv 0.80 % 0.80 % 4
replace bb to ---- in std::string|2048_mean 6347 ns 6347 ns 4
replace bb to ---- in std::string|2048_median 6403 ns 6403 ns 4
replace bb to ---- in std::string|2048_stddev 221 ns 221 ns 4
replace bb to ---- in std::string|2048_cv 3.48 % 3.48 % 4
replace bb to ---- in lstringa<8>|64_mean 129 ns 129 ns 4
replace bb to ---- in lstringa<8>|64_median 129 ns 129 ns 4
replace bb to ---- in lstringa<8>|64_stddev 3.09 ns 3.09 ns 4
replace bb to ---- in lstringa<8>|64_cv 2.39 % 2.39 % 4
replace bb to ---- in lstringa<8>|256_mean 444 ns 444 ns 4
replace bb to ---- in lstringa<8>|256_median 444 ns 444 ns 4
replace bb to ---- in lstringa<8>|256_stddev 12.1 ns 12.1 ns 4
replace bb to ---- in lstringa<8>|256_cv 2.73 % 2.73 % 4
replace bb to ---- in lstringa<8>|512_mean 828 ns 828 ns 4
replace bb to ---- in lstringa<8>|512_median 825 ns 825 ns 4
replace bb to ---- in lstringa<8>|512_stddev 23.9 ns 23.9 ns 4
replace bb to ---- in lstringa<8>|512_cv 2.89 % 2.89 % 4
replace bb to ---- in lstringa<8>|1024_mean 1614 ns 1614 ns 4
replace bb to ---- in lstringa<8>|1024_median 1611 ns 1611 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 19.6 ns 19.6 ns 4
replace bb to ---- in lstringa<8>|1024_cv 1.21 % 1.21 % 4
replace bb to ---- in lstringa<8>|2048_mean 3127 ns 3127 ns 4
replace bb to ---- in lstringa<8>|2048_median 3109 ns 3109 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 54.0 ns 54.0 ns 4
replace bb to ---- in lstringa<8>|2048_cv 1.73 % 1.73 % 4
replace bb to ---- by init stringa|64_mean 90.9 ns 90.9 ns 4
replace bb to ---- by init stringa|64_median 91.5 ns 91.5 ns 4
replace bb to ---- by init stringa|64_stddev 2.07 ns 2.07 ns 4
replace bb to ---- by init stringa|64_cv 2.28 % 2.28 % 4
replace bb to ---- by init stringa|256_mean 308 ns 308 ns 4
replace bb to ---- by init stringa|256_median 309 ns 309 ns 4
replace bb to ---- by init stringa|256_stddev 3.01 ns 3.01 ns 4
replace bb to ---- by init stringa|256_cv 0.98 % 0.98 % 4
replace bb to ---- by init stringa|512_mean 709 ns 709 ns 4
replace bb to ---- by init stringa|512_median 709 ns 709 ns 4
replace bb to ---- by init stringa|512_stddev 3.56 ns 3.56 ns 4
replace bb to ---- by init stringa|512_cv 0.50 % 0.50 % 4
replace bb to ---- by init stringa|1024_mean 1392 ns 1392 ns 4
replace bb to ---- by init stringa|1024_median 1391 ns 1391 ns 4
replace bb to ---- by init stringa|1024_stddev 5.76 ns 5.76 ns 4
replace bb to ---- by init stringa|1024_cv 0.41 % 0.41 % 4
replace bb to ---- by init stringa|2048_mean 2810 ns 2810 ns 4
replace bb to ---- by init stringa|2048_median 2815 ns 2815 ns 4
replace bb to ---- by init stringa|2048_stddev 36.4 ns 36.4 ns 4
replace bb to ---- by init stringa|2048_cv 1.29 % 1.29 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 130 ns 130 ns 4
replace bb to -- in std::string|64_median 129 ns 129 ns 4
replace bb to -- in std::string|64_stddev 2.30 ns 2.30 ns 4
replace bb to -- in std::string|64_cv 1.77 % 1.77 % 4
replace bb to -- in std::string|256_mean 427 ns 427 ns 4
replace bb to -- in std::string|256_median 429 ns 429 ns 4
replace bb to -- in std::string|256_stddev 6.83 ns 6.83 ns 4
replace bb to -- in std::string|256_cv 1.60 % 1.60 % 4
replace bb to -- in std::string|512_mean 851 ns 851 ns 4
replace bb to -- in std::string|512_median 849 ns 849 ns 4
replace bb to -- in std::string|512_stddev 11.5 ns 11.5 ns 4
replace bb to -- in std::string|512_cv 1.35 % 1.35 % 4
replace bb to -- in std::string|1024_mean 1603 ns 1603 ns 4
replace bb to -- in std::string|1024_median 1613 ns 1613 ns 4
replace bb to -- in std::string|1024_stddev 35.0 ns 35.0 ns 4
replace bb to -- in std::string|1024_cv 2.18 % 2.18 % 4
replace bb to -- in std::string|2048_mean 3230 ns 3230 ns 4
replace bb to -- in std::string|2048_median 3217 ns 3217 ns 4
replace bb to -- in std::string|2048_stddev 41.6 ns 41.6 ns 4
replace bb to -- in std::string|2048_cv 1.29 % 1.29 % 4
replace bb to -- in lstringa<8>|64_mean 90.8 ns 90.8 ns 4
replace bb to -- in lstringa<8>|64_median 91.5 ns 91.5 ns 4
replace bb to -- in lstringa<8>|64_stddev 1.56 ns 1.56 ns 4
replace bb to -- in lstringa<8>|64_cv 1.72 % 1.72 % 4
replace bb to -- in lstringa<8>|256_mean 294 ns 294 ns 4
replace bb to -- in lstringa<8>|256_median 294 ns 294 ns 4
replace bb to -- in lstringa<8>|256_stddev 5.26 ns 5.26 ns 4
replace bb to -- in lstringa<8>|256_cv 1.79 % 1.79 % 4
replace bb to -- in lstringa<8>|512_mean 551 ns 551 ns 4
replace bb to -- in lstringa<8>|512_median 555 ns 555 ns 4
replace bb to -- in lstringa<8>|512_stddev 9.79 ns 9.78 ns 4
replace bb to -- in lstringa<8>|512_cv 1.78 % 1.78 % 4
replace bb to -- in lstringa<8>|1024_mean 1066 ns 1066 ns 4
replace bb to -- in lstringa<8>|1024_median 1071 ns 1071 ns 4
replace bb to -- in lstringa<8>|1024_stddev 18.1 ns 18.1 ns 4
replace bb to -- in lstringa<8>|1024_cv 1.70 % 1.70 % 4
replace bb to -- in lstringa<8>|2048_mean 2242 ns 2242 ns 4
replace bb to -- in lstringa<8>|2048_median 2197 ns 2197 ns 4
replace bb to -- in lstringa<8>|2048_stddev 132 ns 132 ns 4
replace bb to -- in lstringa<8>|2048_cv 5.90 % 5.90 % 4
replace bb to -- by init stringa|64_mean 83.0 ns 83.0 ns 4
replace bb to -- by init stringa|64_median 81.6 ns 81.6 ns 4
replace bb to -- by init stringa|64_stddev 4.12 ns 4.12 ns 4
replace bb to -- by init stringa|64_cv 4.96 % 4.96 % 4
replace bb to -- by init stringa|256_mean 237 ns 237 ns 4
replace bb to -- by init stringa|256_median 236 ns 236 ns 4
replace bb to -- by init stringa|256_stddev 4.04 ns 4.04 ns 4
replace bb to -- by init stringa|256_cv 1.70 % 1.70 % 4
replace bb to -- by init stringa|512_mean 435 ns 435 ns 4
replace bb to -- by init stringa|512_median 435 ns 435 ns 4
replace bb to -- by init stringa|512_stddev 5.95 ns 5.95 ns 4
replace bb to -- by init stringa|512_cv 1.37 % 1.37 % 4
replace bb to -- by init stringa|1024_mean 851 ns 851 ns 4
replace bb to -- by init stringa|1024_median 846 ns 846 ns 4
replace bb to -- by init stringa|1024_stddev 18.7 ns 18.7 ns 4
replace bb to -- by init stringa|1024_cv 2.20 % 2.20 % 4
replace bb to -- by init stringa|2048_mean 1658 ns 1658 ns 4
replace bb to -- by init stringa|2048_median 1652 ns 1652 ns 4
replace bb to -- by init stringa|2048_stddev 28.9 ns 28.9 ns 4
replace bb to -- by init stringa|2048_cv 1.74 % 1.74 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3780026 ns 3780035 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 3764708 ns 3764717 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 108428 ns 108427 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 2.87 % 2.87 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3706958 ns 3706967 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3712805 ns 3712816 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 32417 ns 32419 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 0.87 % 0.87 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 3815600 ns 3815610 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 3818146 ns 3818155 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 36526 ns 36523 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 0.96 % 0.96 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4134155 ns 4134170 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4133427 ns 4133445 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 54010 ns 54012 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 1.31 % 1.31 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 1021 ns 1021 ns 4
Build func full name std::string;_median 1018 ns 1018 ns 4
Build func full name std::string;_stddev 20.5 ns 20.5 ns 4
Build func full name std::string;_cv 2.01 % 2.01 % 4
Build func full name std::string 1;_mean 1021 ns 1021 ns 4
Build func full name std::string 1;_median 1019 ns 1019 ns 4
Build func full name std::string 1;_stddev 26.5 ns 26.5 ns 4
Build func full name std::string 1;_cv 2.60 % 2.60 % 4
Build func full name std::stream;_mean 2984 ns 2984 ns 4
Build func full name std::stream;_median 2987 ns 2987 ns 4
Build func full name std::stream;_stddev 37.7 ns 37.7 ns 4
Build func full name std::stream;_cv 1.26 % 1.26 % 4
Build func full name stringa;_mean 471 ns 471 ns 4
Build func full name stringa;_median 470 ns 470 ns 4
Build func full name stringa;_stddev 4.83 ns 4.83 ns 4
Build func full name stringa;_cv 1.02 % 1.02 % 4
Build func full name stringa 1;_mean 648 ns 648 ns 4
Build func full name stringa 1;_median 651 ns 651 ns 4
Build func full name stringa 1;_stddev 9.87 ns 9.87 ns 4
Build func full name stringa 1;_cv 1.52 % 1.52 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 175 ns 175 ns 4
To upper case std::wstring_median 177 ns 177 ns 4
To upper case std::wstring_stddev 3.99 ns 3.99 ns 4
To upper case std::wstring_cv 2.28 % 2.28 % 4
To upper case lstringw<15>_mean 38.5 ns 38.5 ns 4
To upper case lstringw<15>_median 38.5 ns 38.5 ns 4
To upper case lstringw<15>_stddev 1.33 ns 1.33 ns 4
To upper case lstringw<15>_cv 3.44 % 3.44 % 4

View File

@ -1,890 +0,0 @@
2026-01-29T20:00:21+03:00
Running ./benchStr
Run on (32 X 2494.22 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
Load Average: 0.00, 0.00, 0.00
***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 209 ns 209 ns 10
Concat std::string and number by std to std::string_median 209 ns 209 ns 10
Concat std::string and number by std to std::string_stddev 5.32 ns 5.32 ns 10
Concat std::string and number by std to std::string_cv 2.54 % 2.54 % 10
Concat std::string and number by StrExpr to std::string_mean 104 ns 104 ns 10
Concat std::string and number by StrExpr to std::string_median 103 ns 103 ns 10
Concat std::string and number by StrExpr to std::string_stddev 4.35 ns 4.35 ns 10
Concat std::string and number by StrExpr to std::string_cv 4.18 % 4.18 % 10
Concat stringa and number by StrExpr to simstr::stringa_mean 81.5 ns 81.5 ns 10
Concat stringa and number by StrExpr to simstr::stringa_median 74.4 ns 74.4 ns 10
Concat stringa and number by StrExpr to simstr::stringa_stddev 14.0 ns 14.0 ns 10
Concat stringa and number by StrExpr to simstr::stringa_cv 17.20 % 17.20 % 10
Concat stringa and number by e_concat to simstr::stringa_mean 80.2 ns 80.2 ns 10
Concat stringa and number by e_concat to simstr::stringa_median 78.0 ns 78.0 ns 10
Concat stringa and number by e_concat to simstr::stringa_stddev 6.12 ns 6.12 ns 10
Concat stringa and number by e_concat to simstr::stringa_cv 7.63 % 7.63 % 10
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and hex number by std to std::string_mean 935 ns 935 ns 10
Concat std::string and hex number by std to std::string_median 939 ns 939 ns 10
Concat std::string and hex number by std to std::string_stddev 24.7 ns 24.7 ns 10
Concat std::string and hex number by std to std::string_cv 2.65 % 2.65 % 10
Concat std::string and hex number by StrExpr to std::string_mean 69.6 ns 69.6 ns 10
Concat std::string and hex number by StrExpr to std::string_median 69.1 ns 69.1 ns 10
Concat std::string and hex number by StrExpr to std::string_stddev 2.24 ns 2.24 ns 10
Concat std::string and hex number by StrExpr to std::string_cv 3.22 % 3.22 % 10
Concat stringa and hex number by StrExpr to simstr::stringa_mean 70.4 ns 70.4 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_median 70.5 ns 70.5 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_stddev 2.74 ns 2.74 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_cv 3.90 % 3.90 % 10
Concat stringa and hex number by e_concat to simstr::stringa_mean 78.9 ns 78.9 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_median 78.4 ns 78.4 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_stddev 2.99 ns 2.99 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_cv 3.78 % 3.78 % 10
Concat stringa and hex number by e_subst to simstr::stringa_mean 157 ns 157 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_median 148 ns 148 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_stddev 19.8 ns 19.8 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_cv 12.66 % 12.66 % 10
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 45.5 ns 45.5 ns 10
Concat std::string by std to std::string_median 45.4 ns 45.4 ns 10
Concat std::string by std to std::string_stddev 2.31 ns 2.30 ns 10
Concat std::string by std to std::string_cv 5.07 % 5.07 % 10
Concat std::string by StrExpr to std::string_mean 36.8 ns 36.8 ns 10
Concat std::string by StrExpr to std::string_median 36.3 ns 36.3 ns 10
Concat std::string by StrExpr to std::string_stddev 2.47 ns 2.47 ns 10
Concat std::string by StrExpr to std::string_cv 6.72 % 6.72 % 10
Concat stringa by StrExpr to stringa_mean 27.2 ns 27.2 ns 10
Concat stringa by StrExpr to stringa_median 27.2 ns 27.2 ns 10
Concat stringa by StrExpr to stringa_stddev 0.735 ns 0.735 ns 10
Concat stringa by StrExpr to stringa_cv 2.70 % 2.70 % 10
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 135 ns 135 ns 10
Find concat three std::string_median 131 ns 131 ns 10
Find concat three std::string_stddev 10.3 ns 10.3 ns 10
Find concat three std::string_cv 7.63 % 7.63 % 10
Find concat three strexpr_mean 44.3 ns 44.3 ns 10
Find concat three strexpr_median 41.9 ns 41.9 ns 10
Find concat three strexpr_stddev 5.46 ns 5.46 ns 10
Find concat three strexpr_cv 12.33 % 12.33 % 10
Find concat three simstr_mean 53.4 ns 53.4 ns 10
Find concat three simstr_median 52.9 ns 52.9 ns 10
Find concat three simstr_stddev 0.832 ns 0.832 ns 10
Find concat three simstr_cv 1.56 % 1.56 % 10
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 10.1 ns 10.1 ns 10
BuildTypeNameStr 0/0_median 10.1 ns 10.1 ns 10
BuildTypeNameStr 0/0_stddev 0.296 ns 0.296 ns 10
BuildTypeNameStr 0/0_cv 2.93 % 2.93 % 10
BuildTypeNameExp 0/0_mean 7.22 ns 7.22 ns 10
BuildTypeNameExp 0/0_median 7.20 ns 7.20 ns 10
BuildTypeNameExp 0/0_stddev 0.085 ns 0.085 ns 10
BuildTypeNameExp 0/0_cv 1.18 % 1.18 % 10
BuildTypeNameSim 0/0_mean 5.45 ns 5.45 ns 10
BuildTypeNameSim 0/0_median 5.42 ns 5.42 ns 10
BuildTypeNameSim 0/0_stddev 0.684 ns 0.684 ns 10
BuildTypeNameSim 0/0_cv 12.55 % 12.55 % 10
BuildTypeNameStr 10/10_mean 86.4 ns 86.4 ns 10
BuildTypeNameStr 10/10_median 86.5 ns 86.5 ns 10
BuildTypeNameStr 10/10_stddev 3.23 ns 3.23 ns 10
BuildTypeNameStr 10/10_cv 3.73 % 3.73 % 10
BuildTypeNameExp 10/10_mean 24.9 ns 24.9 ns 10
BuildTypeNameExp 10/10_median 24.6 ns 24.6 ns 10
BuildTypeNameExp 10/10_stddev 0.624 ns 0.624 ns 10
BuildTypeNameExp 10/10_cv 2.51 % 2.51 % 10
BuildTypeNameSim 10/10_mean 22.2 ns 22.2 ns 10
BuildTypeNameSim 10/10_median 22.2 ns 22.2 ns 10
BuildTypeNameSim 10/10_stddev 0.518 ns 0.518 ns 10
BuildTypeNameSim 10/10_cv 2.33 % 2.33 % 10
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 231 ns 231 ns 10
Concat with replace str_median 230 ns 230 ns 10
Concat with replace str_stddev 9.78 ns 9.78 ns 10
Concat with replace str_cv 4.23 % 4.23 % 10
Concat with replace exp_mean 139 ns 139 ns 10
Concat with replace exp_median 132 ns 132 ns 10
Concat with replace exp_stddev 17.4 ns 17.4 ns 10
Concat with replace exp_cv 12.55 % 12.55 % 10
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.15 ns 1.15 ns 10
std::string e;_median 1.14 ns 1.14 ns 10
std::string e;_stddev 0.052 ns 0.052 ns 10
std::string e;_cv 4.56 % 4.56 % 10
std::string_view e;_mean 0.772 ns 0.772 ns 10
std::string_view e;_median 0.764 ns 0.764 ns 10
std::string_view e;_stddev 0.034 ns 0.034 ns 10
std::string_view e;_cv 4.41 % 4.41 % 10
ssa e;_mean 0.190 ns 0.190 ns 10
ssa e;_median 0.188 ns 0.188 ns 10
ssa e;_stddev 0.009 ns 0.009 ns 10
ssa e;_cv 4.74 % 4.74 % 10
stringa e;_mean 0.750 ns 0.750 ns 10
stringa e;_median 0.754 ns 0.754 ns 10
stringa e;_stddev 0.020 ns 0.020 ns 10
stringa e;_cv 2.60 % 2.60 % 10
lstringa<20> e;_mean 1.11 ns 1.11 ns 10
lstringa<20> e;_median 1.11 ns 1.11 ns 10
lstringa<20> e;_stddev 0.019 ns 0.019 ns 10
lstringa<20> e;_cv 1.67 % 1.67 % 10
lstringa<40> e;_mean 1.12 ns 1.12 ns 10
lstringa<40> e;_median 1.11 ns 1.11 ns 10
lstringa<40> e;_stddev 0.039 ns 0.039 ns 10
lstringa<40> e;_cv 3.51 % 3.51 % 10
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.87 ns 1.87 ns 10
std::string e = "Test text";_median 1.87 ns 1.87 ns 10
std::string e = "Test text";_stddev 0.037 ns 0.037 ns 10
std::string e = "Test text";_cv 1.97 % 1.97 % 10
std::string_view e = "Test text";_mean 0.806 ns 0.806 ns 10
std::string_view e = "Test text";_median 0.803 ns 0.803 ns 10
std::string_view e = "Test text";_stddev 0.064 ns 0.064 ns 10
std::string_view e = "Test text";_cv 7.94 % 7.94 % 10
ssa e = "Test text";_mean 0.750 ns 0.750 ns 10
ssa e = "Test text";_median 0.737 ns 0.737 ns 10
ssa e = "Test text";_stddev 0.037 ns 0.037 ns 10
ssa e = "Test text";_cv 4.90 % 4.90 % 10
stringa e = "Test text";_mean 1.12 ns 1.12 ns 10
stringa e = "Test text";_median 1.13 ns 1.13 ns 10
stringa e = "Test text";_stddev 0.031 ns 0.031 ns 10
stringa e = "Test text";_cv 2.73 % 2.73 % 10
lstringa<20> e = "Test text";_mean 1.92 ns 1.92 ns 10
lstringa<20> e = "Test text";_median 1.88 ns 1.88 ns 10
lstringa<20> e = "Test text";_stddev 0.116 ns 0.116 ns 10
lstringa<20> e = "Test text";_cv 6.06 % 6.06 % 10
lstringa<40> e = "Test text";_mean 1.88 ns 1.88 ns 10
lstringa<40> e = "Test text";_median 1.88 ns 1.88 ns 10
lstringa<40> e = "Test text";_stddev 0.039 ns 0.039 ns 10
lstringa<40> e = "Test text";_cv 2.09 % 2.09 % 10
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 19.5 ns 19.5 ns 10
std::string e = "123456789012345678901234567890";_median 19.4 ns 19.4 ns 10
std::string e = "123456789012345678901234567890";_stddev 0.902 ns 0.902 ns 10
std::string e = "123456789012345678901234567890";_cv 4.63 % 4.63 % 10
std::string_view e = "123456789012345678901234567890";_mean 0.744 ns 0.744 ns 10
std::string_view e = "123456789012345678901234567890";_median 0.750 ns 0.750 ns 10
std::string_view e = "123456789012345678901234567890";_stddev 0.016 ns 0.016 ns 10
std::string_view e = "123456789012345678901234567890";_cv 2.12 % 2.12 % 10
ssa e = "123456789012345678901234567890";_mean 0.738 ns 0.738 ns 10
ssa e = "123456789012345678901234567890";_median 0.735 ns 0.735 ns 10
ssa e = "123456789012345678901234567890";_stddev 0.015 ns 0.015 ns 10
ssa e = "123456789012345678901234567890";_cv 2.06 % 2.06 % 10
stringa e = "123456789012345678901234567890";_mean 1.11 ns 1.11 ns 10
stringa e = "123456789012345678901234567890";_median 1.11 ns 1.11 ns 10
stringa e = "123456789012345678901234567890";_stddev 0.019 ns 0.019 ns 10
stringa e = "123456789012345678901234567890";_cv 1.68 % 1.68 % 10
lstringa<20> e = "123456789012345678901234567890";_mean 23.0 ns 23.0 ns 10
lstringa<20> e = "123456789012345678901234567890";_median 22.2 ns 22.2 ns 10
lstringa<20> e = "123456789012345678901234567890";_stddev 2.69 ns 2.69 ns 10
lstringa<20> e = "123456789012345678901234567890";_cv 11.68 % 11.68 % 10
lstringa<40> e = "123456789012345678901234567890";_mean 1.96 ns 1.96 ns 10
lstringa<40> e = "123456789012345678901234567890";_median 1.97 ns 1.97 ns 10
lstringa<40> e = "123456789012345678901234567890";_stddev 0.095 ns 0.095 ns 10
lstringa<40> e = "123456789012345678901234567890";_cv 4.82 % 4.82 % 10
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 4.97 ns 4.97 ns 10
std::string e = "Test text"; auto c{e};_median 4.90 ns 4.90 ns 10
std::string e = "Test text"; auto c{e};_stddev 0.289 ns 0.289 ns 10
std::string e = "Test text"; auto c{e};_cv 5.82 % 5.82 % 10
std::string_view e = "Test text"; auto c{e};_mean 0.399 ns 0.399 ns 10
std::string_view e = "Test text"; auto c{e};_median 0.400 ns 0.400 ns 10
std::string_view e = "Test text"; auto c{e};_stddev 0.026 ns 0.026 ns 10
std::string_view e = "Test text"; auto c{e};_cv 6.44 % 6.44 % 10
ssa e = "Test text"; auto c{e};_mean 0.381 ns 0.381 ns 10
ssa e = "Test text"; auto c{e};_median 0.372 ns 0.372 ns 10
ssa e = "Test text"; auto c{e};_stddev 0.020 ns 0.020 ns 10
ssa e = "Test text"; auto c{e};_cv 5.23 % 5.23 % 10
stringa e = "Test text"; auto c{e};_mean 1.15 ns 1.15 ns 10
stringa e = "Test text"; auto c{e};_median 1.14 ns 1.14 ns 10
stringa e = "Test text"; auto c{e};_stddev 0.077 ns 0.077 ns 10
stringa e = "Test text"; auto c{e};_cv 6.65 % 6.65 % 10
lstringa<20> e = "Test text"; auto c{e};_mean 4.56 ns 4.56 ns 10
lstringa<20> e = "Test text"; auto c{e};_median 4.55 ns 4.55 ns 10
lstringa<20> e = "Test text"; auto c{e};_stddev 0.166 ns 0.166 ns 10
lstringa<20> e = "Test text"; auto c{e};_cv 3.64 % 3.64 % 10
lstringa<40> e = "Test text"; auto c{e};_mean 4.61 ns 4.61 ns 10
lstringa<40> e = "Test text"; auto c{e};_median 4.49 ns 4.49 ns 10
lstringa<40> e = "Test text"; auto c{e};_stddev 0.316 ns 0.316 ns 10
lstringa<40> e = "Test text"; auto c{e};_cv 6.85 % 6.85 % 10
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 25.3 ns 25.3 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_median 24.7 ns 24.7 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 2.69 ns 2.69 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_cv 10.65 % 10.65 % 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.731 ns 0.731 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.728 ns 0.728 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.011 ns 0.011 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.57 % 1.57 % 10
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.731 ns 0.731 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.729 ns 0.729 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.011 ns 0.011 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.52 % 1.52 % 10
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.13 ns 1.13 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.13 ns 1.13 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.035 ns 0.035 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_cv 3.09 % 3.09 % 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 22.5 ns 22.5 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 21.2 ns 21.2 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 3.29 ns 3.29 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 14.58 % 14.58 % 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.61 ns 4.61 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.46 ns 4.46 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.347 ns 0.347 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 7.53 % 7.53 % 10
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find;_mean 7.74 ns 7.74 ns 10
std::string::find;_median 7.49 ns 7.49 ns 10
std::string::find;_stddev 0.713 ns 0.713 ns 10
std::string::find;_cv 9.21 % 9.21 % 10
std::string_view::find;_mean 6.68 ns 6.68 ns 10
std::string_view::find;_median 6.60 ns 6.60 ns 10
std::string_view::find;_stddev 0.215 ns 0.215 ns 10
std::string_view::find;_cv 3.22 % 3.22 % 10
ssa::find;_mean 6.45 ns 6.45 ns 10
ssa::find;_median 6.26 ns 6.26 ns 10
ssa::find;_stddev 0.315 ns 0.315 ns 10
ssa::find;_cv 4.88 % 4.88 % 10
stringa::find;_mean 6.78 ns 6.78 ns 10
stringa::find;_median 6.65 ns 6.65 ns 10
stringa::find;_stddev 0.345 ns 0.345 ns 10
stringa::find;_cv 5.08 % 5.08 % 10
lstringa<20>::find;_mean 6.95 ns 6.95 ns 10
lstringa<20>::find;_median 6.84 ns 6.84 ns 10
lstringa<20>::find;_stddev 0.485 ns 0.485 ns 10
lstringa<20>::find;_cv 6.97 % 6.97 % 10
lstringa<40>::find;_mean 6.87 ns 6.87 ns 10
lstringa<40>::find;_median 6.84 ns 6.84 ns 10
lstringa<40>::find;_stddev 0.358 ns 0.358 ns 10
lstringa<40>::find;_cv 5.21 % 5.21 % 10
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 5.03 ns 5.03 ns 10
std::string copy{str_with_len_N};/15_median 4.93 ns 4.93 ns 10
std::string copy{str_with_len_N};/15_stddev 0.269 ns 0.269 ns 10
std::string copy{str_with_len_N};/15_cv 5.34 % 5.34 % 10
std::string copy{str_with_len_N};/16_mean 23.7 ns 23.7 ns 10
std::string copy{str_with_len_N};/16_median 23.6 ns 23.6 ns 10
std::string copy{str_with_len_N};/16_stddev 0.910 ns 0.910 ns 10
std::string copy{str_with_len_N};/16_cv 3.84 % 3.84 % 10
std::string copy{str_with_len_N};/23_mean 23.2 ns 23.2 ns 10
std::string copy{str_with_len_N};/23_median 23.1 ns 23.1 ns 10
std::string copy{str_with_len_N};/23_stddev 0.611 ns 0.611 ns 10
std::string copy{str_with_len_N};/23_cv 2.64 % 2.64 % 10
std::string copy{str_with_len_N};/24_mean 23.2 ns 23.2 ns 10
std::string copy{str_with_len_N};/24_median 23.0 ns 23.0 ns 10
std::string copy{str_with_len_N};/24_stddev 0.560 ns 0.560 ns 10
std::string copy{str_with_len_N};/24_cv 2.41 % 2.41 % 10
std::string copy{str_with_len_N};/32_mean 25.6 ns 25.6 ns 10
std::string copy{str_with_len_N};/32_median 26.6 ns 26.6 ns 10
std::string copy{str_with_len_N};/32_stddev 2.29 ns 2.29 ns 10
std::string copy{str_with_len_N};/32_cv 8.96 % 8.96 % 10
std::string copy{str_with_len_N};/64_mean 24.7 ns 24.7 ns 10
std::string copy{str_with_len_N};/64_median 23.3 ns 23.3 ns 10
std::string copy{str_with_len_N};/64_stddev 3.14 ns 3.14 ns 10
std::string copy{str_with_len_N};/64_cv 12.69 % 12.69 % 10
std::string copy{str_with_len_N};/128_mean 25.9 ns 25.9 ns 10
std::string copy{str_with_len_N};/128_median 25.7 ns 25.7 ns 10
std::string copy{str_with_len_N};/128_stddev 1.25 ns 1.25 ns 10
std::string copy{str_with_len_N};/128_cv 4.81 % 4.81 % 10
std::string copy{str_with_len_N};/256_mean 25.5 ns 25.5 ns 10
std::string copy{str_with_len_N};/256_median 25.2 ns 25.2 ns 10
std::string copy{str_with_len_N};/256_stddev 1.52 ns 1.52 ns 10
std::string copy{str_with_len_N};/256_cv 5.95 % 5.95 % 10
std::string copy{str_with_len_N};/512_mean 29.8 ns 29.8 ns 10
std::string copy{str_with_len_N};/512_median 29.9 ns 29.9 ns 10
std::string copy{str_with_len_N};/512_stddev 0.807 ns 0.807 ns 10
std::string copy{str_with_len_N};/512_cv 2.70 % 2.70 % 10
std::string copy{str_with_len_N};/1024_mean 46.4 ns 46.4 ns 10
std::string copy{str_with_len_N};/1024_median 46.3 ns 46.3 ns 10
std::string copy{str_with_len_N};/1024_stddev 1.36 ns 1.36 ns 10
std::string copy{str_with_len_N};/1024_cv 2.94 % 2.94 % 10
std::string copy{str_with_len_N};/2048_mean 124 ns 124 ns 10
std::string copy{str_with_len_N};/2048_median 123 ns 123 ns 10
std::string copy{str_with_len_N};/2048_stddev 9.70 ns 9.70 ns 10
std::string copy{str_with_len_N};/2048_cv 7.85 % 7.85 % 10
std::string copy{str_with_len_N};/4096_mean 158 ns 158 ns 10
std::string copy{str_with_len_N};/4096_median 161 ns 161 ns 10
std::string copy{str_with_len_N};/4096_stddev 11.5 ns 11.5 ns 10
std::string copy{str_with_len_N};/4096_cv 7.27 % 7.27 % 10
stringa copy{str_with_len_N};/15_mean 1.12 ns 1.12 ns 10
stringa copy{str_with_len_N};/15_median 1.11 ns 1.11 ns 10
stringa copy{str_with_len_N};/15_stddev 0.040 ns 0.040 ns 10
stringa copy{str_with_len_N};/15_cv 3.57 % 3.57 % 10
stringa copy{str_with_len_N};/16_mean 1.13 ns 1.13 ns 10
stringa copy{str_with_len_N};/16_median 1.12 ns 1.12 ns 10
stringa copy{str_with_len_N};/16_stddev 0.043 ns 0.043 ns 10
stringa copy{str_with_len_N};/16_cv 3.81 % 3.81 % 10
stringa copy{str_with_len_N};/23_mean 1.13 ns 1.13 ns 10
stringa copy{str_with_len_N};/23_median 1.13 ns 1.13 ns 10
stringa copy{str_with_len_N};/23_stddev 0.041 ns 0.041 ns 10
stringa copy{str_with_len_N};/23_cv 3.65 % 3.65 % 10
stringa copy{str_with_len_N};/24_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/24_median 16.0 ns 16.0 ns 10
stringa copy{str_with_len_N};/24_stddev 0.268 ns 0.268 ns 10
stringa copy{str_with_len_N};/24_cv 1.66 % 1.66 % 10
stringa copy{str_with_len_N};/32_mean 16.2 ns 16.2 ns 10
stringa copy{str_with_len_N};/32_median 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/32_stddev 0.365 ns 0.365 ns 10
stringa copy{str_with_len_N};/32_cv 2.25 % 2.25 % 10
stringa copy{str_with_len_N};/64_mean 16.6 ns 16.6 ns 10
stringa copy{str_with_len_N};/64_median 16.8 ns 16.8 ns 10
stringa copy{str_with_len_N};/64_stddev 0.488 ns 0.488 ns 10
stringa copy{str_with_len_N};/64_cv 2.94 % 2.94 % 10
stringa copy{str_with_len_N};/128_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/128_median 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/128_stddev 0.158 ns 0.158 ns 10
stringa copy{str_with_len_N};/128_cv 0.98 % 0.98 % 10
stringa copy{str_with_len_N};/256_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/256_median 16.0 ns 16.0 ns 10
stringa copy{str_with_len_N};/256_stddev 0.215 ns 0.215 ns 10
stringa copy{str_with_len_N};/256_cv 1.34 % 1.34 % 10
stringa copy{str_with_len_N};/512_mean 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/512_median 16.1 ns 16.1 ns 10
stringa copy{str_with_len_N};/512_stddev 0.235 ns 0.235 ns 10
stringa copy{str_with_len_N};/512_cv 1.46 % 1.46 % 10
stringa copy{str_with_len_N};/1024_mean 16.6 ns 16.6 ns 10
stringa copy{str_with_len_N};/1024_median 16.4 ns 16.4 ns 10
stringa copy{str_with_len_N};/1024_stddev 0.648 ns 0.648 ns 10
stringa copy{str_with_len_N};/1024_cv 3.91 % 3.91 % 10
stringa copy{str_with_len_N};/2048_mean 16.9 ns 16.9 ns 10
stringa copy{str_with_len_N};/2048_median 17.0 ns 17.0 ns 10
stringa copy{str_with_len_N};/2048_stddev 0.652 ns 0.652 ns 10
stringa copy{str_with_len_N};/2048_cv 3.86 % 3.86 % 10
stringa copy{str_with_len_N};/4096_mean 16.5 ns 16.5 ns 10
stringa copy{str_with_len_N};/4096_median 16.4 ns 16.4 ns 10
stringa copy{str_with_len_N};/4096_stddev 0.567 ns 0.567 ns 10
stringa copy{str_with_len_N};/4096_cv 3.44 % 3.44 % 10
lstringa<16> copy{str_with_len_N};/15_mean 4.44 ns 4.44 ns 10
lstringa<16> copy{str_with_len_N};/15_median 4.43 ns 4.43 ns 10
lstringa<16> copy{str_with_len_N};/15_stddev 0.115 ns 0.115 ns 10
lstringa<16> copy{str_with_len_N};/15_cv 2.58 % 2.58 % 10
lstringa<16> copy{str_with_len_N};/16_mean 4.46 ns 4.46 ns 10
lstringa<16> copy{str_with_len_N};/16_median 4.42 ns 4.42 ns 10
lstringa<16> copy{str_with_len_N};/16_stddev 0.134 ns 0.134 ns 10
lstringa<16> copy{str_with_len_N};/16_cv 3.00 % 3.00 % 10
lstringa<16> copy{str_with_len_N};/23_mean 4.53 ns 4.53 ns 10
lstringa<16> copy{str_with_len_N};/23_median 4.51 ns 4.51 ns 10
lstringa<16> copy{str_with_len_N};/23_stddev 0.153 ns 0.153 ns 10
lstringa<16> copy{str_with_len_N};/23_cv 3.39 % 3.39 % 10
lstringa<16> copy{str_with_len_N};/24_mean 26.9 ns 26.9 ns 10
lstringa<16> copy{str_with_len_N};/24_median 25.4 ns 25.4 ns 10
lstringa<16> copy{str_with_len_N};/24_stddev 3.47 ns 3.47 ns 10
lstringa<16> copy{str_with_len_N};/24_cv 12.90 % 12.90 % 10
lstringa<16> copy{str_with_len_N};/32_mean 23.8 ns 23.8 ns 10
lstringa<16> copy{str_with_len_N};/32_median 23.6 ns 23.6 ns 10
lstringa<16> copy{str_with_len_N};/32_stddev 0.641 ns 0.641 ns 10
lstringa<16> copy{str_with_len_N};/32_cv 2.69 % 2.69 % 10
lstringa<16> copy{str_with_len_N};/64_mean 25.6 ns 25.6 ns 10
lstringa<16> copy{str_with_len_N};/64_median 25.3 ns 25.3 ns 10
lstringa<16> copy{str_with_len_N};/64_stddev 1.31 ns 1.31 ns 10
lstringa<16> copy{str_with_len_N};/64_cv 5.10 % 5.10 % 10
lstringa<16> copy{str_with_len_N};/128_mean 27.1 ns 27.1 ns 10
lstringa<16> copy{str_with_len_N};/128_median 25.9 ns 25.9 ns 10
lstringa<16> copy{str_with_len_N};/128_stddev 2.92 ns 2.92 ns 10
lstringa<16> copy{str_with_len_N};/128_cv 10.79 % 10.79 % 10
lstringa<16> copy{str_with_len_N};/256_mean 30.6 ns 30.6 ns 10
lstringa<16> copy{str_with_len_N};/256_median 30.5 ns 30.5 ns 10
lstringa<16> copy{str_with_len_N};/256_stddev 3.57 ns 3.57 ns 10
lstringa<16> copy{str_with_len_N};/256_cv 11.68 % 11.68 % 10
lstringa<16> copy{str_with_len_N};/512_mean 30.0 ns 30.0 ns 10
lstringa<16> copy{str_with_len_N};/512_median 29.7 ns 29.7 ns 10
lstringa<16> copy{str_with_len_N};/512_stddev 1.34 ns 1.34 ns 10
lstringa<16> copy{str_with_len_N};/512_cv 4.45 % 4.45 % 10
lstringa<16> copy{str_with_len_N};/1024_mean 98.8 ns 98.8 ns 10
lstringa<16> copy{str_with_len_N};/1024_median 100 ns 100 ns 10
lstringa<16> copy{str_with_len_N};/1024_stddev 8.86 ns 8.86 ns 10
lstringa<16> copy{str_with_len_N};/1024_cv 8.97 % 8.97 % 10
lstringa<16> copy{str_with_len_N};/2048_mean 118 ns 118 ns 10
lstringa<16> copy{str_with_len_N};/2048_median 117 ns 117 ns 10
lstringa<16> copy{str_with_len_N};/2048_stddev 14.7 ns 14.7 ns 10
lstringa<16> copy{str_with_len_N};/2048_cv 12.46 % 12.46 % 10
lstringa<16> copy{str_with_len_N};/4096_mean 135 ns 135 ns 10
lstringa<16> copy{str_with_len_N};/4096_median 129 ns 129 ns 10
lstringa<16> copy{str_with_len_N};/4096_stddev 15.6 ns 15.6 ns 10
lstringa<16> copy{str_with_len_N};/4096_cv 11.60 % 11.60 % 10
lstringa<512> copy{str_with_len_N};/15_mean 5.21 ns 5.21 ns 10
lstringa<512> copy{str_with_len_N};/15_median 5.24 ns 5.24 ns 10
lstringa<512> copy{str_with_len_N};/15_stddev 0.121 ns 0.121 ns 10
lstringa<512> copy{str_with_len_N};/15_cv 2.32 % 2.32 % 10
lstringa<512> copy{str_with_len_N};/16_mean 5.22 ns 5.22 ns 10
lstringa<512> copy{str_with_len_N};/16_median 5.17 ns 5.17 ns 10
lstringa<512> copy{str_with_len_N};/16_stddev 0.171 ns 0.171 ns 10
lstringa<512> copy{str_with_len_N};/16_cv 3.29 % 3.29 % 10
lstringa<512> copy{str_with_len_N};/23_mean 5.39 ns 5.39 ns 10
lstringa<512> copy{str_with_len_N};/23_median 5.32 ns 5.32 ns 10
lstringa<512> copy{str_with_len_N};/23_stddev 0.259 ns 0.259 ns 10
lstringa<512> copy{str_with_len_N};/23_cv 4.81 % 4.81 % 10
lstringa<512> copy{str_with_len_N};/24_mean 5.85 ns 5.85 ns 10
lstringa<512> copy{str_with_len_N};/24_median 5.59 ns 5.59 ns 10
lstringa<512> copy{str_with_len_N};/24_stddev 0.684 ns 0.684 ns 10
lstringa<512> copy{str_with_len_N};/24_cv 11.70 % 11.70 % 10
lstringa<512> copy{str_with_len_N};/32_mean 4.85 ns 4.85 ns 10
lstringa<512> copy{str_with_len_N};/32_median 4.81 ns 4.81 ns 10
lstringa<512> copy{str_with_len_N};/32_stddev 0.165 ns 0.165 ns 10
lstringa<512> copy{str_with_len_N};/32_cv 3.41 % 3.41 % 10
lstringa<512> copy{str_with_len_N};/64_mean 7.00 ns 7.00 ns 10
lstringa<512> copy{str_with_len_N};/64_median 6.89 ns 6.89 ns 10
lstringa<512> copy{str_with_len_N};/64_stddev 0.337 ns 0.337 ns 10
lstringa<512> copy{str_with_len_N};/64_cv 4.82 % 4.82 % 10
lstringa<512> copy{str_with_len_N};/128_mean 7.11 ns 7.11 ns 10
lstringa<512> copy{str_with_len_N};/128_median 7.16 ns 7.16 ns 10
lstringa<512> copy{str_with_len_N};/128_stddev 0.155 ns 0.155 ns 10
lstringa<512> copy{str_with_len_N};/128_cv 2.18 % 2.18 % 10
lstringa<512> copy{str_with_len_N};/256_mean 16.4 ns 16.4 ns 10
lstringa<512> copy{str_with_len_N};/256_median 16.3 ns 16.3 ns 10
lstringa<512> copy{str_with_len_N};/256_stddev 0.377 ns 0.377 ns 10
lstringa<512> copy{str_with_len_N};/256_cv 2.30 % 2.30 % 10
lstringa<512> copy{str_with_len_N};/512_mean 10.6 ns 10.6 ns 10
lstringa<512> copy{str_with_len_N};/512_median 10.5 ns 10.5 ns 10
lstringa<512> copy{str_with_len_N};/512_stddev 0.362 ns 0.362 ns 10
lstringa<512> copy{str_with_len_N};/512_cv 3.41 % 3.41 % 10
lstringa<512> copy{str_with_len_N};/1024_mean 98.4 ns 98.4 ns 10
lstringa<512> copy{str_with_len_N};/1024_median 98.1 ns 98.1 ns 10
lstringa<512> copy{str_with_len_N};/1024_stddev 8.39 ns 8.39 ns 10
lstringa<512> copy{str_with_len_N};/1024_cv 8.52 % 8.52 % 10
lstringa<512> copy{str_with_len_N};/2048_mean 117 ns 117 ns 10
lstringa<512> copy{str_with_len_N};/2048_median 118 ns 118 ns 10
lstringa<512> copy{str_with_len_N};/2048_stddev 10.2 ns 10.2 ns 10
lstringa<512> copy{str_with_len_N};/2048_cv 8.73 % 8.73 % 10
lstringa<512> copy{str_with_len_N};/4096_mean 137 ns 137 ns 10
lstringa<512> copy{str_with_len_N};/4096_median 136 ns 136 ns 10
lstringa<512> copy{str_with_len_N};/4096_stddev 16.5 ns 16.5 ns 10
lstringa<512> copy{str_with_len_N};/4096_cv 12.02 % 12.02 % 10
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 28.4 ns 28.4 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 27.6 ns 27.6 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 2.05 ns 2.05 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 7.21 % 7.21 % 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 12.5 ns 12.5 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 12.4 ns 12.4 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.654 ns 0.654 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 5.23 % 5.23 % 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.33 ns 9.33 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.36 ns 9.36 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.166 ns 0.166 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.78 % 1.78 % 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 8.06 ns 8.06 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 7.97 ns 7.97 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.440 ns 0.440 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 5.46 % 5.46 % 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 8.31 ns 8.31 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 8.24 ns 8.24 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.310 ns 0.310 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 3.73 % 3.73 % 10
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 23.7 ns 23.7 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.5 ns 23.5 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.784 ns 0.784 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 3.31 % 3.31 % 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.69 ns 9.69 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.58 ns 9.58 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.282 ns 0.282 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 2.90 % 2.90 % 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 8.60 ns 8.60 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 8.54 ns 8.54 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.263 ns 0.263 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.06 % 3.06 % 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 8.20 ns 8.20 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.91 ns 7.91 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.715 ns 0.715 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 8.72 % 8.72 % 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 8.19 ns 8.19 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 8.17 ns 8.17 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.206 ns 0.206 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 2.52 % 2.52 % 10
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 28.5 ns 28.5 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 28.3 ns 28.3 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.859 ns 0.859 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 3.02 % 3.02 % 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 15.0 ns 15.0 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 14.6 ns 14.6 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.593 ns 0.593 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 3.96 % 3.96 % 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 10.8 ns 10.8 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 10.8 ns 10.8 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.259 ns 0.259 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 2.40 % 2.40 % 10
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 65.2 ns 65.2 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 65.6 ns 65.6 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 2.33 ns 2.33 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 3.57 % 3.57 % 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 25.6 ns 25.6 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 24.8 ns 24.8 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 2.31 ns 2.31 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 9.02 % 9.02 % 10
ssa s = "1234.567e10"; double res = *s.to_double()_mean 24.8 ns 24.8 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_median 24.8 ns 24.8 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.638 ns 0.638 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.57 % 2.57 % 10
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1362 ns 1362 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_median 1362 ns 1362 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 32.2 ns 32.2 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.36 % 2.36 % 10
std::string str; ... str += "abbaabbaabbaabba";_mean 368 ns 368 ns 10
std::string str; ... str += "abbaabbaabbaabba";_median 356 ns 356 ns 10
std::string str; ... str += "abbaabbaabbaabba";_stddev 30.5 ns 30.5 ns 10
std::string str; ... str += "abbaabbaabbaabba";_cv 8.30 % 8.30 % 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 399 ns 399 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 396 ns 396 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 21.8 ns 21.8 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 5.48 % 5.48 % 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 274 ns 274 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 264 ns 264 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 24.7 ns 24.7 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 9.00 % 9.00 % 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 254 ns 254 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 248 ns 248 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 21.2 ns 21.2 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 8.37 % 8.37 % 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 139 ns 139 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 138 ns 138 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 2.30 ns 2.30 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.65 % 1.65 % 10
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1381 ns 1381 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1362 ns 1362 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 66.4 ns 66.4 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 4.81 % 4.81 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1279 ns 1279 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1262 ns 1262 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 94.3 ns 94.3 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 7.37 % 7.37 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 475 ns 475 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 471 ns 471 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 28.4 ns 28.4 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.99 % 5.99 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 413 ns 413 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 406 ns 406 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 54.3 ns 54.3 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 13.15 % 13.15 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 323 ns 323 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 324 ns 324 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 19.5 ns 19.5 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.05 % 6.05 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 243 ns 243 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 241 ns 241 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 7.61 ns 7.61 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.13 % 3.13 % 10
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 75087 ns 75088 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 74409 ns 74409 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 3096 ns 3096 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 4.12 % 4.12 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 74728 ns 74728 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 73562 ns 73561 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 3537 ns 3537 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.73 % 4.73 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 20069 ns 20069 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 19970 ns 19970 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 657 ns 657 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.27 % 3.27 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19059 ns 19059 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18980 ns 18980 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1643 ns 1643 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 8.62 % 8.62 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17233 ns 17233 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17184 ns 17184 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 375 ns 375 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.18 % 2.18 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17586 ns 17587 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17252 ns 17252 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1379 ns 1379 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.84 % 7.84 % 10
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 1393 ns 1393 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_median 1369 ns 1369 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_stddev 52.1 ns 52.1 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_cv 3.74 % 3.74 % 10
std::string str; ... str += str_var1 + str_var2;_mean 1436 ns 1436 ns 10
std::string str; ... str += str_var1 + str_var2;_median 1438 ns 1438 ns 10
std::string str; ... str += str_var1 + str_var2;_stddev 39.2 ns 39.2 ns 10
std::string str; ... str += str_var1 + str_var2;_cv 2.73 % 2.73 % 10
lstringa<16> str; ... str += str_var1 + str_var2;_mean 560 ns 560 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_median 548 ns 548 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 59.5 ns 59.5 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_cv 10.62 % 10.62 % 10
lstringa<128> str; ... str += str_var1 + str_var2;_mean 446 ns 446 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_median 447 ns 447 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 11.5 ns 11.5 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_cv 2.59 % 2.59 % 10
lstringa<512> str; ... str += str_var1 + str_var2;_mean 400 ns 400 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_median 397 ns 397 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 15.7 ns 15.7 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_cv 3.92 % 3.92 % 10
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 307 ns 307 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_median 301 ns 301 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 15.5 ns 15.5 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 5.03 % 5.03 % 10
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 3076 ns 3076 ns 10
std::stringstream str; str << "test = " << k << " times";_median 3051 ns 3051 ns 10
std::stringstream str; str << "test = " << k << " times";_stddev 142 ns 142 ns 10
std::stringstream str; str << "test = " << k << " times";_cv 4.61 % 4.61 % 10
std::string str = "test = " + std::to_string(k) + " times";_mean 470 ns 470 ns 10
std::string str = "test = " + std::to_string(k) + " times";_median 460 ns 460 ns 10
std::string str = "test = " + std::to_string(k) + " times";_stddev 34.9 ns 34.9 ns 10
std::string str = "test = " + std::to_string(k) + " times";_cv 7.43 % 7.43 % 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1714 ns 1714 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1713 ns 1713 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 125 ns 125 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 7.29 % 7.29 % 10
std::string str = std::format("test = {} times", k);_mean 1289 ns 1289 ns 10
std::string str = std::format("test = {} times", k);_median 1302 ns 1302 ns 10
std::string str = std::format("test = {} times", k);_stddev 50.5 ns 50.5 ns 10
std::string str = std::format("test = {} times", k);_cv 3.92 % 3.92 % 10
lstringa<8> str; str.format("test = {} times", k);_mean 1588 ns 1588 ns 10
lstringa<8> str; str.format("test = {} times", k);_median 1557 ns 1557 ns 10
lstringa<8> str; str.format("test = {} times", k);_stddev 61.0 ns 61.0 ns 10
lstringa<8> str; str.format("test = {} times", k);_cv 3.84 % 3.84 % 10
lstringa<32> str; str.format("test = {} times", k);_mean 1059 ns 1059 ns 10
lstringa<32> str; str.format("test = {} times", k);_median 1055 ns 1055 ns 10
lstringa<32> str; str.format("test = {} times", k);_stddev 39.9 ns 39.9 ns 10
lstringa<32> str; str.format("test = {} times", k);_cv 3.76 % 3.76 % 10
lstringa<8> str = "test = " + k + " times";_mean 332 ns 332 ns 10
lstringa<8> str = "test = " + k + " times";_median 326 ns 326 ns 10
lstringa<8> str = "test = " + k + " times";_stddev 17.5 ns 17.5 ns 10
lstringa<8> str = "test = " + k + " times";_cv 5.28 % 5.28 % 10
lstringa<32> str = "test = " + k + " times";_mean 160 ns 160 ns 10
lstringa<32> str = "test = " + k + " times";_median 160 ns 160 ns 10
lstringa<32> str = "test = " + k + " times";_stddev 3.53 ns 3.53 ns 10
lstringa<32> str = "test = " + k + " times";_cv 2.20 % 2.20 % 10
stringa str = "test = " + k + " times";_mean 167 ns 167 ns 10
stringa str = "test = " + k + " times";_median 163 ns 163 ns 10
stringa str = "test = " + k + " times";_stddev 11.8 ns 11.8 ns 10
stringa str = "test = " + k + " times";_cv 7.10 % 7.10 % 10
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 271 ns 271 ns 10
std::string::find + substr + std::strtol_median 271 ns 271 ns 10
std::string::find + substr + std::strtol_stddev 10.4 ns 10.4 ns 10
std::string::find + substr + std::strtol_cv 3.83 % 3.83 % 10
ssa::splitter + ssa::as_int_mean 133 ns 133 ns 10
ssa::splitter + ssa::as_int_median 131 ns 131 ns 10
ssa::splitter + ssa::as_int_stddev 3.27 ns 3.27 ns 10
ssa::splitter + ssa::as_int_cv 2.46 % 2.46 % 10
ssa::splitf + functor_mean 131 ns 131 ns 10
ssa::splitf + functor_median 126 ns 126 ns 10
ssa::splitf + functor_stddev 10.8 ns 10.8 ns 10
ssa::splitf + functor_cv 8.28 % 8.28 % 10
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 845 ns 845 ns 10
Naive (and wrong) replace symbols with std::string find + replace_median 842 ns 842 ns 10
Naive (and wrong) replace symbols with std::string find + replace_stddev 31.9 ns 31.9 ns 10
Naive (and wrong) replace symbols with std::string find + replace_cv 3.78 % 3.78 % 10
replace symbols with std::string find_first_of + replace_mean 2401 ns 2401 ns 10
replace symbols with std::string find_first_of + replace_median 2379 ns 2379 ns 10
replace symbols with std::string find_first_of + replace_stddev 103 ns 103 ns 10
replace symbols with std::string find_first_of + replace_cv 4.30 % 4.30 % 10
replace symbols with std::string_view find_first_of + copy_mean 1157 ns 1157 ns 10
replace symbols with std::string_view find_first_of + copy_median 1127 ns 1127 ns 10
replace symbols with std::string_view find_first_of + copy_stddev 113 ns 113 ns 10
replace symbols with std::string_view find_first_of + copy_cv 9.78 % 9.78 % 10
replace runtime symbols with string expressions and without remembering all search results_mean 1495 ns 1495 ns 10
replace runtime symbols with string expressions and without remembering all search results_median 1487 ns 1487 ns 10
replace runtime symbols with string expressions and without remembering all search results_stddev 60.4 ns 60.4 ns 10
replace runtime symbols with string expressions and without remembering all search results_cv 4.04 % 4.04 % 10
replace runtime symbols with simstr and memorization of all search results_mean 1055 ns 1055 ns 10
replace runtime symbols with simstr and memorization of all search results_median 1046 ns 1046 ns 10
replace runtime symbols with simstr and memorization of all search results_stddev 51.4 ns 51.4 ns 10
replace runtime symbols with simstr and memorization of all search results_cv 4.87 % 4.87 % 10
replace const symbols with string expressions and without remembering all search results_mean 1238 ns 1238 ns 10
replace const symbols with string expressions and without remembering all search results_median 1236 ns 1236 ns 10
replace const symbols with string expressions and without remembering all search results_stddev 48.4 ns 48.4 ns 10
replace const symbols with string expressions and without remembering all search results_cv 3.91 % 3.91 % 10
replace const symbols with string expressions and memorization of all search results_mean 872 ns 872 ns 10
replace const symbols with string expressions and memorization of all search results_median 878 ns 878 ns 10
replace const symbols with string expressions and memorization of all search results_stddev 31.4 ns 31.4 ns 10
replace const symbols with string expressions and memorization of all search results_cv 3.60 % 3.60 % 10
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 175 ns 175 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_median 170 ns 170 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 15.2 ns 15.2 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_cv 8.68 % 8.68 % 10
Short replace symbols with std::string find_first_of + replace_mean 319 ns 319 ns 10
Short replace symbols with std::string find_first_of + replace_median 320 ns 320 ns 10
Short replace symbols with std::string find_first_of + replace_stddev 5.69 ns 5.69 ns 10
Short replace symbols with std::string find_first_of + replace_cv 1.79 % 1.79 % 10
Short replace symbols with std::string_view find_first_of + copy_mean 183 ns 183 ns 10
Short replace symbols with std::string_view find_first_of + copy_median 179 ns 179 ns 10
Short replace symbols with std::string_view find_first_of + copy_stddev 8.97 ns 8.97 ns 10
Short replace symbols with std::string_view find_first_of + copy_cv 4.91 % 4.91 % 10
Short replace runtime symbols with string expressions and without remembering all search results_mean 225 ns 225 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_median 225 ns 225 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_stddev 7.70 ns 7.70 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_cv 3.43 % 3.43 % 10
Short replace runtime symbols with simstr and memorization of all search results_mean 206 ns 206 ns 10
Short replace runtime symbols with simstr and memorization of all search results_median 204 ns 204 ns 10
Short replace runtime symbols with simstr and memorization of all search results_stddev 7.76 ns 7.76 ns 10
Short replace runtime symbols with simstr and memorization of all search results_cv 3.77 % 3.77 % 10
Short replace const symbols with string expressions and without remembering all search results_mean 162 ns 162 ns 10
Short replace const symbols with string expressions and without remembering all search results_median 161 ns 161 ns 10
Short replace const symbols with string expressions and without remembering all search results_stddev 3.93 ns 3.93 ns 10
Short replace const symbols with string expressions and without remembering all search results_cv 2.43 % 2.43 % 10
Short replace const symbols with string expressions and memorization of all search results_mean 156 ns 156 ns 10
Short replace const symbols with string expressions and memorization of all search results_median 156 ns 156 ns 10
Short replace const symbols with string expressions and memorization of all search results_stddev 4.64 ns 4.64 ns 10
Short replace const symbols with string expressions and memorization of all search results_cv 2.97 % 2.97 % 10
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 164 ns 164 ns 10
replace bb to ---- in std::string|64_median 168 ns 168 ns 10
replace bb to ---- in std::string|64_stddev 7.02 ns 7.02 ns 10
replace bb to ---- in std::string|64_cv 4.28 % 4.28 % 10
replace bb to ---- in std::string|256_mean 492 ns 492 ns 10
replace bb to ---- in std::string|256_median 483 ns 483 ns 10
replace bb to ---- in std::string|256_stddev 13.6 ns 13.6 ns 10
replace bb to ---- in std::string|256_cv 2.76 % 2.76 % 10
replace bb to ---- in std::string|512_mean 1119 ns 1119 ns 10
replace bb to ---- in std::string|512_median 1123 ns 1123 ns 10
replace bb to ---- in std::string|512_stddev 101 ns 101 ns 10
replace bb to ---- in std::string|512_cv 9.01 % 9.01 % 10
replace bb to ---- in std::string|1024_mean 2211 ns 2211 ns 10
replace bb to ---- in std::string|1024_median 2166 ns 2166 ns 10
replace bb to ---- in std::string|1024_stddev 152 ns 152 ns 10
replace bb to ---- in std::string|1024_cv 6.87 % 6.87 % 10
replace bb to ---- in std::string|2048_mean 5959 ns 5959 ns 10
replace bb to ---- in std::string|2048_median 5793 ns 5793 ns 10
replace bb to ---- in std::string|2048_stddev 471 ns 471 ns 10
replace bb to ---- in std::string|2048_cv 7.90 % 7.90 % 10
replace bb to ---- in lstringa<8>|64_mean 148 ns 148 ns 10
replace bb to ---- in lstringa<8>|64_median 146 ns 146 ns 10
replace bb to ---- in lstringa<8>|64_stddev 7.41 ns 7.41 ns 10
replace bb to ---- in lstringa<8>|64_cv 5.01 % 5.01 % 10
replace bb to ---- in lstringa<8>|256_mean 485 ns 485 ns 10
replace bb to ---- in lstringa<8>|256_median 486 ns 486 ns 10
replace bb to ---- in lstringa<8>|256_stddev 18.3 ns 18.3 ns 10
replace bb to ---- in lstringa<8>|256_cv 3.76 % 3.76 % 10
replace bb to ---- in lstringa<8>|512_mean 893 ns 893 ns 10
replace bb to ---- in lstringa<8>|512_median 885 ns 885 ns 10
replace bb to ---- in lstringa<8>|512_stddev 50.3 ns 50.3 ns 10
replace bb to ---- in lstringa<8>|512_cv 5.64 % 5.64 % 10
replace bb to ---- in lstringa<8>|1024_mean 1845 ns 1845 ns 10
replace bb to ---- in lstringa<8>|1024_median 1827 ns 1827 ns 10
replace bb to ---- in lstringa<8>|1024_stddev 82.0 ns 82.0 ns 10
replace bb to ---- in lstringa<8>|1024_cv 4.44 % 4.44 % 10
replace bb to ---- in lstringa<8>|2048_mean 3614 ns 3614 ns 10
replace bb to ---- in lstringa<8>|2048_median 3507 ns 3507 ns 10
replace bb to ---- in lstringa<8>|2048_stddev 378 ns 378 ns 10
replace bb to ---- in lstringa<8>|2048_cv 10.46 % 10.46 % 10
replace bb to ---- by init stringa|64_mean 110 ns 110 ns 10
replace bb to ---- by init stringa|64_median 111 ns 111 ns 10
replace bb to ---- by init stringa|64_stddev 13.0 ns 13.0 ns 10
replace bb to ---- by init stringa|64_cv 11.74 % 11.74 % 10
replace bb to ---- by init stringa|256_mean 305 ns 305 ns 10
replace bb to ---- by init stringa|256_median 305 ns 305 ns 10
replace bb to ---- by init stringa|256_stddev 6.14 ns 6.14 ns 10
replace bb to ---- by init stringa|256_cv 2.01 % 2.01 % 10
replace bb to ---- by init stringa|512_mean 751 ns 752 ns 10
replace bb to ---- by init stringa|512_median 740 ns 740 ns 10
replace bb to ---- by init stringa|512_stddev 24.4 ns 23.4 ns 10
replace bb to ---- by init stringa|512_cv 3.26 % 3.12 % 10
replace bb to ---- by init stringa|1024_mean 1630 ns 1630 ns 10
replace bb to ---- by init stringa|1024_median 1632 ns 1632 ns 10
replace bb to ---- by init stringa|1024_stddev 29.0 ns 29.0 ns 10
replace bb to ---- by init stringa|1024_cv 1.78 % 1.78 % 10
replace bb to ---- by init stringa|2048_mean 3440 ns 3440 ns 10
replace bb to ---- by init stringa|2048_median 3418 ns 3418 ns 10
replace bb to ---- by init stringa|2048_stddev 162 ns 162 ns 10
replace bb to ---- by init stringa|2048_cv 4.72 % 4.72 % 10
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 118 ns 118 ns 10
replace bb to -- in std::string|64_median 118 ns 118 ns 10
replace bb to -- in std::string|64_stddev 3.11 ns 3.11 ns 10
replace bb to -- in std::string|64_cv 2.63 % 2.63 % 10
replace bb to -- in std::string|256_mean 418 ns 418 ns 10
replace bb to -- in std::string|256_median 408 ns 408 ns 10
replace bb to -- in std::string|256_stddev 50.6 ns 50.6 ns 10
replace bb to -- in std::string|256_cv 12.10 % 12.10 % 10
replace bb to -- in std::string|512_mean 773 ns 773 ns 10
replace bb to -- in std::string|512_median 747 ns 747 ns 10
replace bb to -- in std::string|512_stddev 70.5 ns 70.5 ns 10
replace bb to -- in std::string|512_cv 9.12 % 9.12 % 10
replace bb to -- in std::string|1024_mean 1538 ns 1538 ns 10
replace bb to -- in std::string|1024_median 1556 ns 1556 ns 10
replace bb to -- in std::string|1024_stddev 133 ns 133 ns 10
replace bb to -- in std::string|1024_cv 8.65 % 8.65 % 10
replace bb to -- in std::string|2048_mean 2919 ns 2919 ns 10
replace bb to -- in std::string|2048_median 2914 ns 2914 ns 10
replace bb to -- in std::string|2048_stddev 56.1 ns 56.1 ns 10
replace bb to -- in std::string|2048_cv 1.92 % 1.92 % 10
replace bb to -- in lstringa<8>|64_mean 100 ns 100 ns 10
replace bb to -- in lstringa<8>|64_median 102 ns 102 ns 10
replace bb to -- in lstringa<8>|64_stddev 4.32 ns 4.32 ns 10
replace bb to -- in lstringa<8>|64_cv 4.31 % 4.31 % 10
replace bb to -- in lstringa<8>|256_mean 298 ns 298 ns 10
replace bb to -- in lstringa<8>|256_median 290 ns 290 ns 10
replace bb to -- in lstringa<8>|256_stddev 22.6 ns 22.6 ns 10
replace bb to -- in lstringa<8>|256_cv 7.58 % 7.58 % 10
replace bb to -- in lstringa<8>|512_mean 551 ns 551 ns 10
replace bb to -- in lstringa<8>|512_median 548 ns 548 ns 10
replace bb to -- in lstringa<8>|512_stddev 25.9 ns 25.9 ns 10
replace bb to -- in lstringa<8>|512_cv 4.70 % 4.70 % 10
replace bb to -- in lstringa<8>|1024_mean 1105 ns 1105 ns 10
replace bb to -- in lstringa<8>|1024_median 1094 ns 1094 ns 10
replace bb to -- in lstringa<8>|1024_stddev 41.5 ns 41.5 ns 10
replace bb to -- in lstringa<8>|1024_cv 3.76 % 3.76 % 10
replace bb to -- in lstringa<8>|2048_mean 2117 ns 2117 ns 10
replace bb to -- in lstringa<8>|2048_median 2123 ns 2124 ns 10
replace bb to -- in lstringa<8>|2048_stddev 72.1 ns 72.1 ns 10
replace bb to -- in lstringa<8>|2048_cv 3.41 % 3.41 % 10
replace bb to -- by init stringa|64_mean 95.6 ns 95.6 ns 10
replace bb to -- by init stringa|64_median 92.9 ns 92.9 ns 10
replace bb to -- by init stringa|64_stddev 6.38 ns 6.38 ns 10
replace bb to -- by init stringa|64_cv 6.68 % 6.68 % 10
replace bb to -- by init stringa|256_mean 270 ns 270 ns 10
replace bb to -- by init stringa|256_median 266 ns 266 ns 10
replace bb to -- by init stringa|256_stddev 9.47 ns 9.47 ns 10
replace bb to -- by init stringa|256_cv 3.50 % 3.50 % 10
replace bb to -- by init stringa|512_mean 553 ns 553 ns 10
replace bb to -- by init stringa|512_median 544 ns 544 ns 10
replace bb to -- by init stringa|512_stddev 56.9 ns 56.9 ns 10
replace bb to -- by init stringa|512_cv 10.28 % 10.28 % 10
replace bb to -- by init stringa|1024_mean 1031 ns 1031 ns 10
replace bb to -- by init stringa|1024_median 1022 ns 1022 ns 10
replace bb to -- by init stringa|1024_stddev 30.1 ns 30.1 ns 10
replace bb to -- by init stringa|1024_cv 2.92 % 2.92 % 10
replace bb to -- by init stringa|2048_mean 1966 ns 1966 ns 10
replace bb to -- by init stringa|2048_median 1965 ns 1965 ns 10
replace bb to -- by init stringa|2048_stddev 38.2 ns 38.2 ns 10
replace bb to -- by init stringa|2048_cv 1.94 % 1.94 % 10
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3722226 ns 3722240 ns 10
hashStrMapA<size_t> emplace & find stringa;_median 3726028 ns 3726040 ns 10
hashStrMapA<size_t> emplace & find stringa;_stddev 72547 ns 72547 ns 10
hashStrMapA<size_t> emplace & find stringa;_cv 1.95 % 1.95 % 10
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3711685 ns 3711658 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3695646 ns 3695658 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 102501 ns 102437 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 2.76 % 2.76 % 10
hashStrMapA<size_t> emplace & find ssa;_mean 3706802 ns 3706817 ns 10
hashStrMapA<size_t> emplace & find ssa;_median 3698296 ns 3698309 ns 10
hashStrMapA<size_t> emplace & find ssa;_stddev 57482 ns 57482 ns 10
hashStrMapA<size_t> emplace & find ssa;_cv 1.55 % 1.55 % 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4055890 ns 4055903 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4024701 ns 4024711 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 133788 ns 133788 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 3.30 % 3.30 % 10
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 943 ns 943 ns 10
Build func full name std::string;_median 943 ns 943 ns 10
Build func full name std::string;_stddev 41.8 ns 41.8 ns 10
Build func full name std::string;_cv 4.44 % 4.44 % 10
Build func full name std::string 1;_mean 1022 ns 1022 ns 10
Build func full name std::string 1;_median 1021 ns 1021 ns 10
Build func full name std::string 1;_stddev 38.0 ns 38.0 ns 10
Build func full name std::string 1;_cv 3.72 % 3.72 % 10
Build func full name std::stream;_mean 2671 ns 2671 ns 10
Build func full name std::stream;_median 2617 ns 2617 ns 10
Build func full name std::stream;_stddev 224 ns 224 ns 10
Build func full name std::stream;_cv 8.37 % 8.37 % 10
Build func full name stringa;_mean 612 ns 612 ns 10
Build func full name stringa;_median 597 ns 597 ns 10
Build func full name stringa;_stddev 42.2 ns 42.2 ns 10
Build func full name stringa;_cv 6.89 % 6.89 % 10
Build func full name stringa 1;_mean 657 ns 657 ns 10
Build func full name stringa 1;_median 650 ns 650 ns 10
Build func full name stringa 1;_stddev 38.8 ns 38.8 ns 10
Build func full name stringa 1;_cv 5.90 % 5.90 % 10

View File

@ -0,0 +1,989 @@
Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler GNU 15.2.0
2026-03-22T13:04:50+03:00
Running ./benchStr
Run on (32 X 2494.22 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
Load Average: 0.06, 0.09, 0.08
***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 160 ns 160 ns 4
Concat email std::format_median 162 ns 162 ns 4
Concat email std::format_stddev 4.85 ns 4.85 ns 4
Concat email std::format_cv 3.03 % 3.03 % 4
Concat email std::stringstream_mean 321 ns 321 ns 4
Concat email std::stringstream_median 322 ns 322 ns 4
Concat email std::stringstream_stddev 3.32 ns 3.32 ns 4
Concat email std::stringstream_cv 1.04 % 1.03 % 4
Concat email stringzilla append_mean 108 ns 108 ns 4
Concat email stringzilla append_median 108 ns 108 ns 4
Concat email stringzilla append_stddev 3.84 ns 3.85 ns 4
Concat email stringzilla append_cv 3.57 % 3.57 % 4
Concat email stringzilla concat_mean 42.8 ns 42.8 ns 4
Concat email stringzilla concat_median 42.0 ns 42.0 ns 4
Concat email stringzilla concat_stddev 1.96 ns 1.96 ns 4
Concat email stringzilla concat_cv 4.57 % 4.57 % 4
Concat email std::string append_mean 79.2 ns 79.2 ns 4
Concat email std::string append_median 79.1 ns 79.1 ns 4
Concat email std::string append_stddev 2.03 ns 2.03 ns 4
Concat email std::string append_cv 2.57 % 2.57 % 4
Concat email std::string by strexpr_mean 34.4 ns 34.4 ns 4
Concat email std::string by strexpr_median 34.7 ns 34.7 ns 4
Concat email std::string by strexpr_stddev 0.818 ns 0.818 ns 4
Concat email std::string by strexpr_cv 2.38 % 2.38 % 4
Concat email stringa_mean 40.7 ns 40.7 ns 4
Concat email stringa_median 40.5 ns 40.5 ns 4
Concat email stringa_stddev 0.971 ns 0.971 ns 4
Concat email stringa_cv 2.38 % 2.38 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 214 ns 214 ns 4
Concat std::string and number by std to std::string_median 216 ns 216 ns 4
Concat std::string and number by std to std::string_stddev 4.91 ns 4.91 ns 4
Concat std::string and number by std to std::string_cv 2.30 % 2.30 % 4
Concat std::string and number by StrExpr to std::string_mean 102 ns 102 ns 4
Concat std::string and number by StrExpr to std::string_median 101 ns 101 ns 4
Concat std::string and number by StrExpr to std::string_stddev 2.74 ns 2.74 ns 4
Concat std::string and number by StrExpr to std::string_cv 2.69 % 2.69 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 72.3 ns 72.3 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 72.4 ns 72.4 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 1.59 ns 1.59 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 2.21 % 2.21 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 77.7 ns 77.7 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 77.5 ns 77.5 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 2.73 ns 2.73 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 3.52 % 3.52 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 728 ns 728 ns 4
Concat std::string and format hex number and literal to std::string_median 732 ns 732 ns 4
Concat std::string and format hex number and literal to std::string_stddev 19.6 ns 19.6 ns 4
Concat std::string and format hex number and literal to std::string_cv 2.68 % 2.68 % 4
std::format std::string and hex number by literal to std::string_mean 893 ns 893 ns 4
std::format std::string and hex number by literal to std::string_median 890 ns 890 ns 4
std::format std::string and hex number by literal to std::string_stddev 22.3 ns 22.3 ns 4
std::format std::string and hex number by literal to std::string_cv 2.49 % 2.49 % 4
Concat std::string and std::to_chars and string to std::string_mean 199 ns 199 ns 4
Concat std::string and std::to_chars and string to std::string_median 199 ns 199 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 1.39 ns 1.39 ns 4
Concat std::string and std::to_chars and string to std::string_cv 0.70 % 0.70 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 125 ns 125 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 126 ns 126 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 1.84 ns 1.84 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 1.47 % 1.47 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 122 ns 122 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 122 ns 122 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 1.10 ns 1.10 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 0.90 % 0.90 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 125 ns 125 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 125 ns 125 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 2.16 ns 2.16 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.73 % 1.73 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 172 ns 172 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 171 ns 171 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.63 ns 4.63 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.69 % 2.69 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 280 ns 280 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 279 ns 279 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 5.80 ns 5.80 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 2.07 % 2.07 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 261 ns 261 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 261 ns 261 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 4.51 ns 4.51 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 1.73 % 1.73 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 315 ns 315 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 316 ns 316 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 3.45 ns 3.45 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 1.09 % 1.09 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 593 ns 593 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 587 ns 587 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 13.1 ns 13.1 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 2.21 % 2.21 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 629 ns 629 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 631 ns 631 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 19.2 ns 19.2 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 3.06 % 3.06 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 788 ns 788 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 794 ns 794 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 12.1 ns 12.1 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 1.54 % 1.54 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 1171 ns 1171 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 1170 ns 1170 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 4.63 ns 4.63 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 0.40 % 0.40 % 4
std::vformat(pattern, std::make_format_args(i))_mean 1176 ns 1176 ns 4
std::vformat(pattern, std::make_format_args(i))_median 1174 ns 1174 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 12.9 ns 12.9 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 1.09 % 1.09 % 4
std::format with std::formatted_size_mean 2267 ns 2267 ns 4
std::format with std::formatted_size_median 2276 ns 2276 ns 4
std::format with std::formatted_size_stddev 38.4 ns 38.4 ns 4
std::format with std::formatted_size_cv 1.69 % 1.69 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 2021 ns 2021 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 2023 ns 2023 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 41.5 ns 41.5 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 2.05 % 2.05 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 47.9 ns 47.9 ns 4
Concat std::string by std to std::string_median 47.9 ns 47.9 ns 4
Concat std::string by std to std::string_stddev 0.383 ns 0.383 ns 4
Concat std::string by std to std::string_cv 0.80 % 0.80 % 4
Concat std::string by StrExpr to std::string_mean 35.3 ns 35.3 ns 4
Concat std::string by StrExpr to std::string_median 35.3 ns 35.3 ns 4
Concat std::string by StrExpr to std::string_stddev 0.618 ns 0.618 ns 4
Concat std::string by StrExpr to std::string_cv 1.75 % 1.75 % 4
Concat stringa by StrExpr to stringa_mean 27.4 ns 27.4 ns 4
Concat stringa by StrExpr to stringa_median 27.4 ns 27.4 ns 4
Concat stringa by StrExpr to stringa_stddev 0.154 ns 0.153 ns 4
Concat stringa by StrExpr to stringa_cv 0.56 % 0.56 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 119 ns 119 ns 4
Find concat three std::string_median 118 ns 118 ns 4
Find concat three std::string_stddev 1.87 ns 1.87 ns 4
Find concat three std::string_cv 1.57 % 1.57 % 4
Find concat three strexpr_mean 38.2 ns 38.2 ns 4
Find concat three strexpr_median 38.2 ns 38.2 ns 4
Find concat three strexpr_stddev 0.339 ns 0.339 ns 4
Find concat three strexpr_cv 0.89 % 0.89 % 4
Find concat three simstr_mean 15.6 ns 15.6 ns 4
Find concat three simstr_median 15.6 ns 15.6 ns 4
Find concat three simstr_stddev 0.214 ns 0.214 ns 4
Find concat three simstr_cv 1.37 % 1.37 % 4
Find concat three stringzilla string_mean 125 ns 125 ns 4
Find concat three stringzilla string_median 125 ns 125 ns 4
Find concat three stringzilla string_stddev 1.18 ns 1.18 ns 4
Find concat three stringzilla string_cv 0.94 % 0.94 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 8.65 ns 8.65 ns 4
BuildTypeNameStr 0/0_median 8.66 ns 8.66 ns 4
BuildTypeNameStr 0/0_stddev 0.131 ns 0.131 ns 4
BuildTypeNameStr 0/0_cv 1.51 % 1.51 % 4
BuildTypeNameExp 0/0_mean 6.99 ns 6.99 ns 4
BuildTypeNameExp 0/0_median 7.01 ns 7.01 ns 4
BuildTypeNameExp 0/0_stddev 0.134 ns 0.134 ns 4
BuildTypeNameExp 0/0_cv 1.92 % 1.92 % 4
BuildTypeNameSim 0/0_mean 4.97 ns 4.97 ns 4
BuildTypeNameSim 0/0_median 4.98 ns 4.98 ns 4
BuildTypeNameSim 0/0_stddev 0.065 ns 0.065 ns 4
BuildTypeNameSim 0/0_cv 1.31 % 1.31 % 4
BuildTypeNameStr 10/10_mean 76.6 ns 76.6 ns 4
BuildTypeNameStr 10/10_median 76.1 ns 76.1 ns 4
BuildTypeNameStr 10/10_stddev 1.27 ns 1.27 ns 4
BuildTypeNameStr 10/10_cv 1.65 % 1.65 % 4
BuildTypeNameExp 10/10_mean 27.9 ns 27.9 ns 4
BuildTypeNameExp 10/10_median 27.9 ns 27.9 ns 4
BuildTypeNameExp 10/10_stddev 0.740 ns 0.740 ns 4
BuildTypeNameExp 10/10_cv 2.66 % 2.66 % 4
BuildTypeNameSim 10/10_mean 22.6 ns 22.6 ns 4
BuildTypeNameSim 10/10_median 22.3 ns 22.3 ns 4
BuildTypeNameSim 10/10_stddev 0.683 ns 0.683 ns 4
BuildTypeNameSim 10/10_cv 3.02 % 3.02 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 236 ns 236 ns 4
Concat with replace str_median 236 ns 236 ns 4
Concat with replace str_stddev 4.01 ns 4.01 ns 4
Concat with replace str_cv 1.70 % 1.70 % 4
Concat with replace exp_mean 135 ns 135 ns 4
Concat with replace exp_median 134 ns 134 ns 4
Concat with replace exp_stddev 3.94 ns 3.94 ns 4
Concat with replace exp_cv 2.92 % 2.92 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.13 ns 1.13 ns 4
std::string e;_median 1.13 ns 1.13 ns 4
std::string e;_stddev 0.012 ns 0.012 ns 4
std::string e;_cv 1.09 % 1.09 % 4
std::string_view e;_mean 0.754 ns 0.754 ns 4
std::string_view e;_median 0.751 ns 0.751 ns 4
std::string_view e;_stddev 0.013 ns 0.013 ns 4
std::string_view e;_cv 1.68 % 1.68 % 4
ssa e;_mean 0.187 ns 0.187 ns 4
ssa e;_median 0.186 ns 0.186 ns 4
ssa e;_stddev 0.002 ns 0.002 ns 4
ssa e;_cv 1.20 % 1.20 % 4
stringa e;_mean 0.753 ns 0.753 ns 4
stringa e;_median 0.757 ns 0.757 ns 4
stringa e;_stddev 0.011 ns 0.011 ns 4
stringa e;_cv 1.52 % 1.52 % 4
lstringa<20> e;_mean 1.14 ns 1.14 ns 4
lstringa<20> e;_median 1.15 ns 1.15 ns 4
lstringa<20> e;_stddev 0.016 ns 0.016 ns 4
lstringa<20> e;_cv 1.44 % 1.44 % 4
lstringa<40> e;_mean 1.15 ns 1.15 ns 4
lstringa<40> e;_median 1.15 ns 1.15 ns 4
lstringa<40> e;_stddev 0.016 ns 0.016 ns 4
lstringa<40> e;_cv 1.39 % 1.39 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.89 ns 1.89 ns 4
std::string e = "Test text";_median 1.89 ns 1.89 ns 4
std::string e = "Test text";_stddev 0.034 ns 0.034 ns 4
std::string e = "Test text";_cv 1.80 % 1.80 % 4
std::string_view e = "Test text";_mean 0.754 ns 0.754 ns 4
std::string_view e = "Test text";_median 0.753 ns 0.753 ns 4
std::string_view e = "Test text";_stddev 0.007 ns 0.007 ns 4
std::string_view e = "Test text";_cv 0.97 % 0.97 % 4
ssa e = "Test text";_mean 0.757 ns 0.757 ns 4
ssa e = "Test text";_median 0.761 ns 0.761 ns 4
ssa e = "Test text";_stddev 0.011 ns 0.011 ns 4
ssa e = "Test text";_cv 1.44 % 1.44 % 4
stringa e = "Test text";_mean 1.13 ns 1.13 ns 4
stringa e = "Test text";_median 1.13 ns 1.13 ns 4
stringa e = "Test text";_stddev 0.014 ns 0.014 ns 4
stringa e = "Test text";_cv 1.26 % 1.26 % 4
lstringa<20> e = "Test text";_mean 1.92 ns 1.92 ns 4
lstringa<20> e = "Test text";_median 1.89 ns 1.89 ns 4
lstringa<20> e = "Test text";_stddev 0.080 ns 0.080 ns 4
lstringa<20> e = "Test text";_cv 4.18 % 4.18 % 4
lstringa<40> e = "Test text";_mean 1.90 ns 1.90 ns 4
lstringa<40> e = "Test text";_median 1.90 ns 1.90 ns 4
lstringa<40> e = "Test text";_stddev 0.021 ns 0.021 ns 4
lstringa<40> e = "Test text";_cv 1.08 % 1.08 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 19.7 ns 19.7 ns 4
std::string e = "123456789012345678901234567890";_median 19.8 ns 19.8 ns 4
std::string e = "123456789012345678901234567890";_stddev 0.335 ns 0.335 ns 4
std::string e = "123456789012345678901234567890";_cv 1.70 % 1.70 % 4
std::string_view e = "123456789012345678901234567890";_mean 0.751 ns 0.751 ns 4
std::string_view e = "123456789012345678901234567890";_median 0.752 ns 0.752 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.009 ns 0.009 ns 4
std::string_view e = "123456789012345678901234567890";_cv 1.19 % 1.19 % 4
ssa e = "123456789012345678901234567890";_mean 0.761 ns 0.761 ns 4
ssa e = "123456789012345678901234567890";_median 0.764 ns 0.764 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.014 ns 0.014 ns 4
ssa e = "123456789012345678901234567890";_cv 1.89 % 1.89 % 4
stringa e = "123456789012345678901234567890";_mean 1.13 ns 1.13 ns 4
stringa e = "123456789012345678901234567890";_median 1.14 ns 1.14 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.015 ns 0.015 ns 4
stringa e = "123456789012345678901234567890";_cv 1.34 % 1.34 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 18.3 ns 18.3 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 18.3 ns 18.3 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 0.389 ns 0.389 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 2.12 % 2.12 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 1.91 ns 1.91 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 1.91 ns 1.91 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.011 ns 0.011 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 0.60 % 0.60 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 5.03 ns 5.03 ns 4
std::string e = "Test text"; auto c{e};_median 5.05 ns 5.05 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.100 ns 0.100 ns 4
std::string e = "Test text"; auto c{e};_cv 1.98 % 1.98 % 4
std::string_view e = "Test text"; auto c{e};_mean 0.388 ns 0.388 ns 4
std::string_view e = "Test text"; auto c{e};_median 0.389 ns 0.389 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.003 ns 0.003 ns 4
std::string_view e = "Test text"; auto c{e};_cv 0.81 % 0.81 % 4
ssa e = "Test text"; auto c{e};_mean 0.388 ns 0.388 ns 4
ssa e = "Test text"; auto c{e};_median 0.391 ns 0.391 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.009 ns 0.009 ns 4
ssa e = "Test text"; auto c{e};_cv 2.21 % 2.21 % 4
stringa e = "Test text"; auto c{e};_mean 1.13 ns 1.13 ns 4
stringa e = "Test text"; auto c{e};_median 1.13 ns 1.13 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.017 ns 0.017 ns 4
stringa e = "Test text"; auto c{e};_cv 1.53 % 1.53 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 1.15 ns 1.15 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 1.15 ns 1.15 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.018 ns 0.018 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 1.60 % 1.60 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 1.15 ns 1.15 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 1.15 ns 1.15 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.016 ns 0.016 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 1.38 % 1.38 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 23.2 ns 23.2 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 23.4 ns 23.4 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.477 ns 0.477 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 2.06 % 2.06 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.759 ns 0.759 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.760 ns 0.760 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.004 ns 0.004 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 0.54 % 0.54 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.758 ns 0.758 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.754 ns 0.754 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.017 ns 0.017 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.19 % 2.19 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 6.85 ns 6.85 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 6.85 ns 6.85 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.024 ns 0.024 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 0.36 % 0.36 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 17.7 ns 17.7 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 17.6 ns 17.6 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.244 ns 0.244 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 1.38 % 1.38 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.18 ns 4.18 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.16 ns 4.16 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.121 ns 0.121 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 2.90 % 2.90 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 87.9 ns 87.9 ns 4
sz::string::find;_median 87.9 ns 87.9 ns 4
sz::string::find;_stddev 1.17 ns 1.17 ns 4
sz::string::find;_cv 1.33 % 1.33 % 4
std::string::find;_mean 6.95 ns 6.95 ns 4
std::string::find;_median 6.95 ns 6.95 ns 4
std::string::find;_stddev 0.069 ns 0.069 ns 4
std::string::find;_cv 0.99 % 0.99 % 4
std::string_view::find;_mean 7.39 ns 7.39 ns 4
std::string_view::find;_median 7.40 ns 7.40 ns 4
std::string_view::find;_stddev 0.118 ns 0.118 ns 4
std::string_view::find;_cv 1.59 % 1.59 % 4
ssa::find;_mean 6.87 ns 6.87 ns 4
ssa::find;_median 6.88 ns 6.88 ns 4
ssa::find;_stddev 0.131 ns 0.131 ns 4
ssa::find;_cv 1.90 % 1.90 % 4
stringa::find;_mean 7.21 ns 7.21 ns 4
stringa::find;_median 7.18 ns 7.18 ns 4
stringa::find;_stddev 0.196 ns 0.196 ns 4
stringa::find;_cv 2.72 % 2.72 % 4
lstringa<20>::find;_mean 6.52 ns 6.52 ns 4
lstringa<20>::find;_median 6.56 ns 6.56 ns 4
lstringa<20>::find;_stddev 0.116 ns 0.116 ns 4
lstringa<20>::find;_cv 1.78 % 1.78 % 4
lstringa<40>::find;_mean 6.49 ns 6.49 ns 4
lstringa<40>::find;_median 6.48 ns 6.48 ns 4
lstringa<40>::find;_stddev 0.150 ns 0.150 ns 4
lstringa<40>::find;_cv 2.31 % 2.31 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 5.01 ns 5.01 ns 4
std::string copy{str_with_len_N};/15_median 5.01 ns 5.02 ns 4
std::string copy{str_with_len_N};/15_stddev 0.085 ns 0.085 ns 4
std::string copy{str_with_len_N};/15_cv 1.70 % 1.70 % 4
std::string copy{str_with_len_N};/16_mean 29.4 ns 29.4 ns 4
std::string copy{str_with_len_N};/16_median 29.6 ns 29.6 ns 4
std::string copy{str_with_len_N};/16_stddev 1.16 ns 1.16 ns 4
std::string copy{str_with_len_N};/16_cv 3.93 % 3.93 % 4
std::string copy{str_with_len_N};/23_mean 28.9 ns 28.9 ns 4
std::string copy{str_with_len_N};/23_median 28.8 ns 28.8 ns 4
std::string copy{str_with_len_N};/23_stddev 0.401 ns 0.401 ns 4
std::string copy{str_with_len_N};/23_cv 1.39 % 1.39 % 4
std::string copy{str_with_len_N};/24_mean 22.3 ns 22.3 ns 4
std::string copy{str_with_len_N};/24_median 22.4 ns 22.4 ns 4
std::string copy{str_with_len_N};/24_stddev 0.245 ns 0.245 ns 4
std::string copy{str_with_len_N};/24_cv 1.10 % 1.10 % 4
std::string copy{str_with_len_N};/32_mean 21.5 ns 21.5 ns 4
std::string copy{str_with_len_N};/32_median 21.5 ns 21.5 ns 4
std::string copy{str_with_len_N};/32_stddev 0.170 ns 0.170 ns 4
std::string copy{str_with_len_N};/32_cv 0.79 % 0.79 % 4
std::string copy{str_with_len_N};/64_mean 24.6 ns 24.6 ns 4
std::string copy{str_with_len_N};/64_median 24.6 ns 24.6 ns 4
std::string copy{str_with_len_N};/64_stddev 0.699 ns 0.699 ns 4
std::string copy{str_with_len_N};/64_cv 2.85 % 2.85 % 4
std::string copy{str_with_len_N};/128_mean 24.2 ns 24.2 ns 4
std::string copy{str_with_len_N};/128_median 24.4 ns 24.4 ns 4
std::string copy{str_with_len_N};/128_stddev 0.806 ns 0.806 ns 4
std::string copy{str_with_len_N};/128_cv 3.33 % 3.33 % 4
std::string copy{str_with_len_N};/256_mean 25.7 ns 25.7 ns 4
std::string copy{str_with_len_N};/256_median 25.8 ns 25.8 ns 4
std::string copy{str_with_len_N};/256_stddev 0.425 ns 0.425 ns 4
std::string copy{str_with_len_N};/256_cv 1.65 % 1.65 % 4
std::string copy{str_with_len_N};/512_mean 28.5 ns 28.5 ns 4
std::string copy{str_with_len_N};/512_median 28.4 ns 28.4 ns 4
std::string copy{str_with_len_N};/512_stddev 0.749 ns 0.749 ns 4
std::string copy{str_with_len_N};/512_cv 2.63 % 2.63 % 4
std::string copy{str_with_len_N};/1024_mean 33.4 ns 33.4 ns 4
std::string copy{str_with_len_N};/1024_median 33.5 ns 33.5 ns 4
std::string copy{str_with_len_N};/1024_stddev 0.562 ns 0.562 ns 4
std::string copy{str_with_len_N};/1024_cv 1.68 % 1.68 % 4
std::string copy{str_with_len_N};/2048_mean 122 ns 122 ns 4
std::string copy{str_with_len_N};/2048_median 122 ns 122 ns 4
std::string copy{str_with_len_N};/2048_stddev 2.42 ns 2.42 ns 4
std::string copy{str_with_len_N};/2048_cv 1.99 % 1.99 % 4
std::string copy{str_with_len_N};/4096_mean 157 ns 157 ns 4
std::string copy{str_with_len_N};/4096_median 157 ns 157 ns 4
std::string copy{str_with_len_N};/4096_stddev 7.01 ns 7.01 ns 4
std::string copy{str_with_len_N};/4096_cv 4.47 % 4.47 % 4
stringa copy{str_with_len_N};/15_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/15_median 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/15_stddev 0.015 ns 0.015 ns 4
stringa copy{str_with_len_N};/15_cv 1.32 % 1.32 % 4
stringa copy{str_with_len_N};/16_mean 1.15 ns 1.15 ns 4
stringa copy{str_with_len_N};/16_median 1.16 ns 1.16 ns 4
stringa copy{str_with_len_N};/16_stddev 0.020 ns 0.020 ns 4
stringa copy{str_with_len_N};/16_cv 1.73 % 1.73 % 4
stringa copy{str_with_len_N};/23_mean 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/23_median 1.13 ns 1.13 ns 4
stringa copy{str_with_len_N};/23_stddev 0.022 ns 0.022 ns 4
stringa copy{str_with_len_N};/23_cv 1.93 % 1.93 % 4
stringa copy{str_with_len_N};/24_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/24_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/24_stddev 0.124 ns 0.124 ns 4
stringa copy{str_with_len_N};/24_cv 0.76 % 0.76 % 4
stringa copy{str_with_len_N};/32_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/32_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/32_stddev 0.140 ns 0.140 ns 4
stringa copy{str_with_len_N};/32_cv 0.85 % 0.85 % 4
stringa copy{str_with_len_N};/64_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/64_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/64_stddev 0.159 ns 0.159 ns 4
stringa copy{str_with_len_N};/64_cv 0.97 % 0.97 % 4
stringa copy{str_with_len_N};/128_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/128_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/128_stddev 0.099 ns 0.099 ns 4
stringa copy{str_with_len_N};/128_cv 0.60 % 0.60 % 4
stringa copy{str_with_len_N};/256_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/256_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/256_stddev 0.095 ns 0.095 ns 4
stringa copy{str_with_len_N};/256_cv 0.58 % 0.58 % 4
stringa copy{str_with_len_N};/512_mean 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/512_median 16.3 ns 16.3 ns 4
stringa copy{str_with_len_N};/512_stddev 0.048 ns 0.048 ns 4
stringa copy{str_with_len_N};/512_cv 0.29 % 0.29 % 4
stringa copy{str_with_len_N};/1024_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/1024_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.066 ns 0.066 ns 4
stringa copy{str_with_len_N};/1024_cv 0.40 % 0.40 % 4
stringa copy{str_with_len_N};/2048_mean 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/2048_median 16.4 ns 16.4 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.039 ns 0.039 ns 4
stringa copy{str_with_len_N};/2048_cv 0.24 % 0.24 % 4
stringa copy{str_with_len_N};/4096_mean 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/4096_median 16.5 ns 16.5 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.072 ns 0.072 ns 4
stringa copy{str_with_len_N};/4096_cv 0.43 % 0.43 % 4
lstringa<16> copy{str_with_len_N};/15_mean 1.15 ns 1.15 ns 4
lstringa<16> copy{str_with_len_N};/15_median 1.16 ns 1.16 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.021 ns 0.021 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 1.83 % 1.83 % 4
lstringa<16> copy{str_with_len_N};/16_mean 4.89 ns 4.89 ns 4
lstringa<16> copy{str_with_len_N};/16_median 4.91 ns 4.91 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.063 ns 0.063 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 1.29 % 1.29 % 4
lstringa<16> copy{str_with_len_N};/23_mean 4.91 ns 4.91 ns 4
lstringa<16> copy{str_with_len_N};/23_median 4.89 ns 4.89 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.079 ns 0.079 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 1.60 % 1.60 % 4
lstringa<16> copy{str_with_len_N};/24_mean 22.4 ns 22.4 ns 4
lstringa<16> copy{str_with_len_N};/24_median 22.1 ns 22.1 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 0.925 ns 0.925 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 4.12 % 4.12 % 4
lstringa<16> copy{str_with_len_N};/32_mean 22.5 ns 22.5 ns 4
lstringa<16> copy{str_with_len_N};/32_median 22.4 ns 22.4 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 0.344 ns 0.344 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 1.53 % 1.53 % 4
lstringa<16> copy{str_with_len_N};/64_mean 24.3 ns 24.3 ns 4
lstringa<16> copy{str_with_len_N};/64_median 24.2 ns 24.2 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 0.482 ns 0.482 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 1.99 % 1.99 % 4
lstringa<16> copy{str_with_len_N};/128_mean 33.8 ns 33.9 ns 4
lstringa<16> copy{str_with_len_N};/128_median 33.9 ns 33.9 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 0.822 ns 0.822 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 2.43 % 2.43 % 4
lstringa<16> copy{str_with_len_N};/256_mean 25.9 ns 25.9 ns 4
lstringa<16> copy{str_with_len_N};/256_median 25.9 ns 25.9 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 0.442 ns 0.442 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 1.71 % 1.71 % 4
lstringa<16> copy{str_with_len_N};/512_mean 34.8 ns 34.8 ns 4
lstringa<16> copy{str_with_len_N};/512_median 34.9 ns 34.9 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 0.270 ns 0.270 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 0.78 % 0.78 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 99.7 ns 99.7 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 99.2 ns 99.2 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 2.75 ns 2.75 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 2.75 % 2.76 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 110 ns 110 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 111 ns 111 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 3.07 ns 3.07 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 2.78 % 2.78 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 129 ns 129 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 130 ns 130 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 2.98 ns 2.98 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 2.32 % 2.32 % 4
lstringa<512> copy{str_with_len_N};/15_mean 1.15 ns 1.15 ns 4
lstringa<512> copy{str_with_len_N};/15_median 1.15 ns 1.15 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.018 ns 0.018 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 1.55 % 1.55 % 4
lstringa<512> copy{str_with_len_N};/16_mean 4.22 ns 4.22 ns 4
lstringa<512> copy{str_with_len_N};/16_median 4.20 ns 4.20 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.108 ns 0.108 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 2.57 % 2.57 % 4
lstringa<512> copy{str_with_len_N};/23_mean 4.24 ns 4.24 ns 4
lstringa<512> copy{str_with_len_N};/23_median 4.23 ns 4.23 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.108 ns 0.108 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 2.55 % 2.55 % 4
lstringa<512> copy{str_with_len_N};/24_mean 4.26 ns 4.26 ns 4
lstringa<512> copy{str_with_len_N};/24_median 4.24 ns 4.24 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.075 ns 0.075 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 1.77 % 1.77 % 4
lstringa<512> copy{str_with_len_N};/32_mean 4.20 ns 4.20 ns 4
lstringa<512> copy{str_with_len_N};/32_median 4.17 ns 4.17 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.082 ns 0.082 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 1.95 % 1.95 % 4
lstringa<512> copy{str_with_len_N};/64_mean 5.67 ns 5.67 ns 4
lstringa<512> copy{str_with_len_N};/64_median 5.67 ns 5.67 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.074 ns 0.074 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 1.31 % 1.31 % 4
lstringa<512> copy{str_with_len_N};/128_mean 6.29 ns 6.29 ns 4
lstringa<512> copy{str_with_len_N};/128_median 6.30 ns 6.30 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.125 ns 0.125 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 1.98 % 1.98 % 4
lstringa<512> copy{str_with_len_N};/256_mean 7.98 ns 7.98 ns 4
lstringa<512> copy{str_with_len_N};/256_median 7.98 ns 7.98 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.053 ns 0.053 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 0.66 % 0.66 % 4
lstringa<512> copy{str_with_len_N};/512_mean 10.2 ns 10.2 ns 4
lstringa<512> copy{str_with_len_N};/512_median 10.2 ns 10.2 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.100 ns 0.100 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 0.98 % 0.98 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 96.5 ns 96.5 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 95.5 ns 95.5 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 3.21 ns 3.21 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 3.32 % 3.32 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 103 ns 103 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 103 ns 103 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 2.63 ns 2.63 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 2.55 % 2.55 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 126 ns 126 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 126 ns 126 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 5.68 ns 5.68 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 4.51 % 4.51 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 27.9 ns 27.9 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 27.9 ns 27.9 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.402 ns 0.402 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.44 % 1.44 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 12.5 ns 12.5 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 12.3 ns 12.3 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.396 ns 0.396 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 3.17 % 3.17 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 16.8 ns 16.8 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.8 ns 16.8 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.196 ns 0.196 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.16 % 1.16 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 7.54 ns 7.54 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 7.55 ns 7.55 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.041 ns 0.041 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.55 % 0.55 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 8.43 ns 8.43 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 8.42 ns 8.42 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.141 ns 0.141 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.68 % 1.68 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 23.9 ns 23.9 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.9 ns 23.9 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.614 ns 0.614 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.58 % 2.58 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.15 ns 9.15 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.19 ns 9.19 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.181 ns 0.181 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.98 % 1.98 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.2 ns 16.2 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.3 ns 16.3 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.118 ns 0.118 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 0.73 % 0.73 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 6.48 ns 6.48 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 6.45 ns 6.45 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.151 ns 0.151 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 2.32 % 2.32 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 6.42 ns 6.42 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 6.43 ns 6.43 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.128 ns 0.128 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.99 % 1.99 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 29.1 ns 29.1 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 29.1 ns 29.1 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.141 ns 0.141 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 0.49 % 0.49 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 23.8 ns 23.8 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 23.7 ns 23.7 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.203 ns 0.203 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 0.85 % 0.85 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 11.0 ns 11.0 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 11.1 ns 11.1 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.156 ns 0.156 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 1.41 % 1.41 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 66.3 ns 66.3 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 66.2 ns 66.2 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 0.163 ns 0.163 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 0.25 % 0.25 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 24.4 ns 24.4 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 24.2 ns 24.2 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.303 ns 0.303 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.24 % 1.24 % 4
ssa s = "1234.567e10"; double res = *s.to_double()_mean 24.5 ns 24.5 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 24.5 ns 24.5 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.380 ns 0.380 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.55 % 1.55 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1411 ns 1411 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 1412 ns 1412 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 35.0 ns 35.0 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.48 % 2.48 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 380 ns 380 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 380 ns 380 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 9.10 ns 9.10 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 2.40 % 2.40 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 364 ns 364 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 365 ns 365 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 7.15 ns 7.14 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.96 % 1.96 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 271 ns 271 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 274 ns 274 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 11.8 ns 11.8 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 4.35 % 4.35 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 229 ns 229 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 233 ns 233 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 8.90 ns 8.90 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 3.89 % 3.89 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 144 ns 144 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 144 ns 144 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 1.68 ns 1.68 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.17 % 1.17 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1391 ns 1391 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1393 ns 1393 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 6.61 ns 6.60 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 0.48 % 0.47 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1161 ns 1161 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1163 ns 1163 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 17.5 ns 17.5 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.51 % 1.51 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 443 ns 443 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 443 ns 443 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 6.52 ns 6.52 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.47 % 1.47 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 368 ns 368 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 369 ns 369 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 12.5 ns 12.5 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.41 % 3.41 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 348 ns 348 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 354 ns 354 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 17.3 ns 17.3 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.98 % 4.98 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 214 ns 214 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 215 ns 215 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 3.03 ns 3.03 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.41 % 1.41 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 75407 ns 75407 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 76071 ns 76071 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 1624 ns 1624 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 2.15 % 2.15 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 67303 ns 67303 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 67374 ns 67374 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 747 ns 747 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.11 % 1.11 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 20392 ns 20392 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 20416 ns 20416 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 93.8 ns 93.8 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 0.46 % 0.46 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17950 ns 17950 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18065 ns 18065 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 352 ns 352 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.96 % 1.96 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17908 ns 17908 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17973 ns 17972 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 436 ns 436 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.44 % 2.44 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17735 ns 17735 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17771 ns 17771 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 347 ns 347 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.95 % 1.95 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 1397 ns 1397 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 1392 ns 1392 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 41.3 ns 41.3 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 2.95 % 2.95 % 4
std::string str; ... str += str_var1 + str_var2;_mean 1344 ns 1344 ns 4
std::string str; ... str += str_var1 + str_var2;_median 1332 ns 1332 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 64.6 ns 64.6 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 4.81 % 4.81 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 547 ns 547 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 551 ns 551 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 9.05 ns 9.05 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.65 % 1.65 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 454 ns 454 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 457 ns 457 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 12.0 ns 12.0 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 2.64 % 2.64 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 422 ns 422 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 426 ns 426 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 25.1 ns 25.1 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 5.95 % 5.95 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 310 ns 310 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 311 ns 311 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 6.36 ns 6.36 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 2.05 % 2.05 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 3033 ns 3033 ns 4
std::stringstream str; str << "test = " << k << " times";_median 3046 ns 3046 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 70.7 ns 70.7 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 2.33 % 2.33 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 427 ns 427 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 426 ns 426 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 5.62 ns 5.61 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 1.32 % 1.32 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1487 ns 1487 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1478 ns 1478 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 26.4 ns 26.4 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.78 % 1.78 % 4
std::string str = std::format("test = {} times", k);_mean 1206 ns 1206 ns 4
std::string str = std::format("test = {} times", k);_median 1196 ns 1196 ns 4
std::string str = std::format("test = {} times", k);_stddev 34.6 ns 34.6 ns 4
std::string str = std::format("test = {} times", k);_cv 2.87 % 2.87 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 1559 ns 1559 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 1553 ns 1553 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 41.0 ns 41.0 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 2.63 % 2.63 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 1054 ns 1054 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 1047 ns 1047 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 16.7 ns 16.7 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 1.58 % 1.58 % 4
lstringa<8> str = "test = " + k + " times";_mean 290 ns 290 ns 4
lstringa<8> str = "test = " + k + " times";_median 289 ns 289 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 3.95 ns 3.95 ns 4
lstringa<8> str = "test = " + k + " times";_cv 1.36 % 1.36 % 4
lstringa<32> str = "test = " + k + " times";_mean 136 ns 136 ns 4
lstringa<32> str = "test = " + k + " times";_median 136 ns 136 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 2.69 ns 2.69 ns 4
lstringa<32> str = "test = " + k + " times";_cv 1.98 % 1.98 % 4
stringa str = "test = " + k + " times";_mean 137 ns 137 ns 4
stringa str = "test = " + k + " times";_median 138 ns 138 ns 4
stringa str = "test = " + k + " times";_stddev 2.86 ns 2.86 ns 4
stringa str = "test = " + k + " times";_cv 2.09 % 2.09 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 275 ns 275 ns 4
std::string::find + substr + std::strtol_median 276 ns 276 ns 4
std::string::find + substr + std::strtol_stddev 7.55 ns 7.55 ns 4
std::string::find + substr + std::strtol_cv 2.74 % 2.74 % 4
ssa::splitter + ssa::as_int_mean 192 ns 192 ns 4
ssa::splitter + ssa::as_int_median 192 ns 192 ns 4
ssa::splitter + ssa::as_int_stddev 3.46 ns 3.46 ns 4
ssa::splitter + ssa::as_int_cv 1.80 % 1.80 % 4
ssa::splitf + functor_mean 196 ns 196 ns 4
ssa::splitf + functor_median 196 ns 196 ns 4
ssa::splitf + functor_stddev 0.580 ns 0.580 ns 4
ssa::splitf + functor_cv 0.30 % 0.30 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 822 ns 822 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 821 ns 821 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 19.8 ns 19.8 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 2.41 % 2.41 % 4
replace symbols with std::string find_first_of + replace_mean 2428 ns 2428 ns 4
replace symbols with std::string find_first_of + replace_median 2424 ns 2424 ns 4
replace symbols with std::string find_first_of + replace_stddev 88.6 ns 88.6 ns 4
replace symbols with std::string find_first_of + replace_cv 3.65 % 3.65 % 4
replace symbols with std::string_view find_first_of + copy_mean 1065 ns 1065 ns 4
replace symbols with std::string_view find_first_of + copy_median 1062 ns 1062 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 18.7 ns 18.7 ns 4
replace symbols with std::string_view find_first_of + copy_cv 1.76 % 1.76 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 1372 ns 1372 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 1363 ns 1363 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 28.6 ns 28.6 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 2.09 % 2.09 % 4
replace runtime symbols with simstr and memorization of all search results_mean 1016 ns 1016 ns 4
replace runtime symbols with simstr and memorization of all search results_median 1011 ns 1011 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 19.6 ns 19.6 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 1.93 % 1.93 % 4
replace const symbols with string expressions and without remembering all search results_mean 1045 ns 1045 ns 4
replace const symbols with string expressions and without remembering all search results_median 1039 ns 1039 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 35.5 ns 35.5 ns 4
replace const symbols with string expressions and without remembering all search results_cv 3.40 % 3.40 % 4
replace const symbols with string expressions and memorization of all search results_mean 837 ns 837 ns 4
replace const symbols with string expressions and memorization of all search results_median 842 ns 842 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 17.2 ns 17.2 ns 4
replace const symbols with string expressions and memorization of all search results_cv 2.06 % 2.06 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 161 ns 161 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 161 ns 161 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 2.20 ns 2.20 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 1.36 % 1.36 % 4
Short replace symbols with std::string find_first_of + replace_mean 329 ns 329 ns 4
Short replace symbols with std::string find_first_of + replace_median 329 ns 329 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 8.06 ns 8.06 ns 4
Short replace symbols with std::string find_first_of + replace_cv 2.45 % 2.45 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 154 ns 154 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 153 ns 153 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 5.45 ns 5.45 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 3.55 % 3.55 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 180 ns 180 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 179 ns 179 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 4.51 ns 4.51 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 2.50 % 2.50 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 184 ns 184 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 184 ns 184 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 2.95 ns 2.95 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 1.61 % 1.61 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 139 ns 139 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 139 ns 139 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 1.27 ns 1.27 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 0.91 % 0.91 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 132 ns 132 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 132 ns 132 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 1.26 ns 1.26 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 0.95 % 0.95 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 154 ns 154 ns 4
replace bb to ---- in std::string|64_median 154 ns 154 ns 4
replace bb to ---- in std::string|64_stddev 1.72 ns 1.72 ns 4
replace bb to ---- in std::string|64_cv 1.11 % 1.11 % 4
replace bb to ---- in std::string|256_mean 504 ns 504 ns 4
replace bb to ---- in std::string|256_median 504 ns 504 ns 4
replace bb to ---- in std::string|256_stddev 18.2 ns 18.2 ns 4
replace bb to ---- in std::string|256_cv 3.62 % 3.62 % 4
replace bb to ---- in std::string|512_mean 1000 ns 1000 ns 4
replace bb to ---- in std::string|512_median 1002 ns 1002 ns 4
replace bb to ---- in std::string|512_stddev 17.0 ns 17.0 ns 4
replace bb to ---- in std::string|512_cv 1.70 % 1.70 % 4
replace bb to ---- in std::string|1024_mean 2347 ns 2347 ns 4
replace bb to ---- in std::string|1024_median 2324 ns 2324 ns 4
replace bb to ---- in std::string|1024_stddev 166 ns 166 ns 4
replace bb to ---- in std::string|1024_cv 7.05 % 7.05 % 4
replace bb to ---- in std::string|2048_mean 5969 ns 5969 ns 4
replace bb to ---- in std::string|2048_median 5919 ns 5919 ns 4
replace bb to ---- in std::string|2048_stddev 266 ns 266 ns 4
replace bb to ---- in std::string|2048_cv 4.46 % 4.46 % 4
replace bb to ---- in lstringa<8>|64_mean 138 ns 138 ns 4
replace bb to ---- in lstringa<8>|64_median 139 ns 139 ns 4
replace bb to ---- in lstringa<8>|64_stddev 3.50 ns 3.50 ns 4
replace bb to ---- in lstringa<8>|64_cv 2.53 % 2.53 % 4
replace bb to ---- in lstringa<8>|256_mean 444 ns 444 ns 4
replace bb to ---- in lstringa<8>|256_median 447 ns 447 ns 4
replace bb to ---- in lstringa<8>|256_stddev 6.19 ns 6.19 ns 4
replace bb to ---- in lstringa<8>|256_cv 1.39 % 1.39 % 4
replace bb to ---- in lstringa<8>|512_mean 899 ns 899 ns 4
replace bb to ---- in lstringa<8>|512_median 896 ns 896 ns 4
replace bb to ---- in lstringa<8>|512_stddev 19.6 ns 19.6 ns 4
replace bb to ---- in lstringa<8>|512_cv 2.18 % 2.18 % 4
replace bb to ---- in lstringa<8>|1024_mean 1751 ns 1751 ns 4
replace bb to ---- in lstringa<8>|1024_median 1752 ns 1752 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 11.7 ns 11.7 ns 4
replace bb to ---- in lstringa<8>|1024_cv 0.67 % 0.67 % 4
replace bb to ---- in lstringa<8>|2048_mean 3301 ns 3301 ns 4
replace bb to ---- in lstringa<8>|2048_median 3294 ns 3294 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 81.9 ns 81.9 ns 4
replace bb to ---- in lstringa<8>|2048_cv 2.48 % 2.48 % 4
replace bb to ---- by init stringa|64_mean 92.8 ns 92.8 ns 4
replace bb to ---- by init stringa|64_median 92.6 ns 92.6 ns 4
replace bb to ---- by init stringa|64_stddev 1.37 ns 1.37 ns 4
replace bb to ---- by init stringa|64_cv 1.48 % 1.48 % 4
replace bb to ---- by init stringa|256_mean 287 ns 288 ns 4
replace bb to ---- by init stringa|256_median 287 ns 287 ns 4
replace bb to ---- by init stringa|256_stddev 1.86 ns 1.86 ns 4
replace bb to ---- by init stringa|256_cv 0.65 % 0.65 % 4
replace bb to ---- by init stringa|512_mean 705 ns 705 ns 4
replace bb to ---- by init stringa|512_median 702 ns 702 ns 4
replace bb to ---- by init stringa|512_stddev 12.7 ns 12.7 ns 4
replace bb to ---- by init stringa|512_cv 1.79 % 1.79 % 4
replace bb to ---- by init stringa|1024_mean 1550 ns 1550 ns 4
replace bb to ---- by init stringa|1024_median 1543 ns 1543 ns 4
replace bb to ---- by init stringa|1024_stddev 19.4 ns 19.4 ns 4
replace bb to ---- by init stringa|1024_cv 1.25 % 1.25 % 4
replace bb to ---- by init stringa|2048_mean 3106 ns 3106 ns 4
replace bb to ---- by init stringa|2048_median 3111 ns 3111 ns 4
replace bb to ---- by init stringa|2048_stddev 20.5 ns 20.4 ns 4
replace bb to ---- by init stringa|2048_cv 0.66 % 0.66 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 131 ns 131 ns 4
replace bb to -- in std::string|64_median 129 ns 129 ns 4
replace bb to -- in std::string|64_stddev 4.51 ns 4.51 ns 4
replace bb to -- in std::string|64_cv 3.45 % 3.45 % 4
replace bb to -- in std::string|256_mean 381 ns 381 ns 4
replace bb to -- in std::string|256_median 381 ns 381 ns 4
replace bb to -- in std::string|256_stddev 5.71 ns 5.71 ns 4
replace bb to -- in std::string|256_cv 1.50 % 1.50 % 4
replace bb to -- in std::string|512_mean 743 ns 743 ns 4
replace bb to -- in std::string|512_median 744 ns 744 ns 4
replace bb to -- in std::string|512_stddev 6.19 ns 6.19 ns 4
replace bb to -- in std::string|512_cv 0.83 % 0.83 % 4
replace bb to -- in std::string|1024_mean 1483 ns 1483 ns 4
replace bb to -- in std::string|1024_median 1477 ns 1477 ns 4
replace bb to -- in std::string|1024_stddev 36.1 ns 36.1 ns 4
replace bb to -- in std::string|1024_cv 2.43 % 2.43 % 4
replace bb to -- in std::string|2048_mean 2798 ns 2798 ns 4
replace bb to -- in std::string|2048_median 2793 ns 2793 ns 4
replace bb to -- in std::string|2048_stddev 34.3 ns 34.2 ns 4
replace bb to -- in std::string|2048_cv 1.23 % 1.22 % 4
replace bb to -- in lstringa<8>|64_mean 91.5 ns 91.5 ns 4
replace bb to -- in lstringa<8>|64_median 91.9 ns 91.9 ns 4
replace bb to -- in lstringa<8>|64_stddev 2.11 ns 2.11 ns 4
replace bb to -- in lstringa<8>|64_cv 2.30 % 2.30 % 4
replace bb to -- in lstringa<8>|256_mean 302 ns 302 ns 4
replace bb to -- in lstringa<8>|256_median 305 ns 305 ns 4
replace bb to -- in lstringa<8>|256_stddev 5.90 ns 5.90 ns 4
replace bb to -- in lstringa<8>|256_cv 1.95 % 1.95 % 4
replace bb to -- in lstringa<8>|512_mean 539 ns 539 ns 4
replace bb to -- in lstringa<8>|512_median 541 ns 541 ns 4
replace bb to -- in lstringa<8>|512_stddev 7.25 ns 7.25 ns 4
replace bb to -- in lstringa<8>|512_cv 1.34 % 1.34 % 4
replace bb to -- in lstringa<8>|1024_mean 1121 ns 1121 ns 4
replace bb to -- in lstringa<8>|1024_median 1103 ns 1103 ns 4
replace bb to -- in lstringa<8>|1024_stddev 86.3 ns 86.3 ns 4
replace bb to -- in lstringa<8>|1024_cv 7.70 % 7.70 % 4
replace bb to -- in lstringa<8>|2048_mean 2174 ns 2174 ns 4
replace bb to -- in lstringa<8>|2048_median 2126 ns 2126 ns 4
replace bb to -- in lstringa<8>|2048_stddev 136 ns 136 ns 4
replace bb to -- in lstringa<8>|2048_cv 6.25 % 6.25 % 4
replace bb to -- by init stringa|64_mean 112 ns 112 ns 4
replace bb to -- by init stringa|64_median 112 ns 112 ns 4
replace bb to -- by init stringa|64_stddev 1.35 ns 1.35 ns 4
replace bb to -- by init stringa|64_cv 1.20 % 1.20 % 4
replace bb to -- by init stringa|256_mean 262 ns 262 ns 4
replace bb to -- by init stringa|256_median 262 ns 262 ns 4
replace bb to -- by init stringa|256_stddev 3.25 ns 3.25 ns 4
replace bb to -- by init stringa|256_cv 1.24 % 1.24 % 4
replace bb to -- by init stringa|512_mean 479 ns 479 ns 4
replace bb to -- by init stringa|512_median 478 ns 478 ns 4
replace bb to -- by init stringa|512_stddev 6.02 ns 6.02 ns 4
replace bb to -- by init stringa|512_cv 1.26 % 1.26 % 4
replace bb to -- by init stringa|1024_mean 954 ns 954 ns 4
replace bb to -- by init stringa|1024_median 953 ns 953 ns 4
replace bb to -- by init stringa|1024_stddev 27.7 ns 27.7 ns 4
replace bb to -- by init stringa|1024_cv 2.91 % 2.91 % 4
replace bb to -- by init stringa|2048_mean 1809 ns 1809 ns 4
replace bb to -- by init stringa|2048_median 1804 ns 1804 ns 4
replace bb to -- by init stringa|2048_stddev 20.3 ns 20.3 ns 4
replace bb to -- by init stringa|2048_cv 1.12 % 1.12 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3843202 ns 3843218 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 3876351 ns 3876368 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 83132 ns 83131 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 2.16 % 2.16 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3689411 ns 3689422 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3701989 ns 3701997 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 102615 ns 102613 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 2.78 % 2.78 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 3848145 ns 3848147 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 3860211 ns 3860203 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 53550 ns 53545 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 1.39 % 1.39 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4076242 ns 4076215 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4075582 ns 4075516 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 57080 ns 57087 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 1.40 % 1.40 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 738 ns 738 ns 4
Build func full name std::string;_median 745 ns 745 ns 4
Build func full name std::string;_stddev 20.2 ns 20.2 ns 4
Build func full name std::string;_cv 2.74 % 2.74 % 4
Build func full name std::string 1;_mean 820 ns 820 ns 4
Build func full name std::string 1;_median 819 ns 819 ns 4
Build func full name std::string 1;_stddev 7.48 ns 7.48 ns 4
Build func full name std::string 1;_cv 0.91 % 0.91 % 4
Build func full name std::stream;_mean 2610 ns 2610 ns 4
Build func full name std::stream;_median 2628 ns 2628 ns 4
Build func full name std::stream;_stddev 45.5 ns 45.5 ns 4
Build func full name std::stream;_cv 1.75 % 1.75 % 4
Build func full name stringa;_mean 480 ns 480 ns 4
Build func full name stringa;_median 479 ns 479 ns 4
Build func full name stringa;_stddev 6.26 ns 6.26 ns 4
Build func full name stringa;_cv 1.30 % 1.30 % 4
Build func full name stringa 1;_mean 564 ns 564 ns 4
Build func full name stringa 1;_median 563 ns 563 ns 4
Build func full name stringa 1;_stddev 12.8 ns 12.8 ns 4
Build func full name stringa 1;_cv 2.26 % 2.26 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 175 ns 175 ns 4
To upper case std::wstring_median 174 ns 174 ns 4
To upper case std::wstring_stddev 3.12 ns 3.12 ns 4
To upper case std::wstring_cv 1.78 % 1.78 % 4
To upper case lstringw<15>_mean 40.4 ns 40.4 ns 4
To upper case lstringw<15>_median 40.3 ns 40.3 ns 4
To upper case lstringw<15>_stddev 0.801 ns 0.801 ns 4
To upper case lstringw<15>_cv 1.98 % 1.98 % 4

View File

@ -1,888 +0,0 @@
2026-01-29T19:33:03+03:00
Running benchStr.exe
Run on (32 X 2494 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 265 ns 261 ns 10
Concat std::string and number by std to std::string_median 262 ns 261 ns 10
Concat std::string and number by std to std::string_stddev 6.94 ns 7.10 ns 10
Concat std::string and number by std to std::string_cv 2.63 % 2.71 % 10
Concat std::string and number by StrExpr to std::string_mean 178 ns 178 ns 10
Concat std::string and number by StrExpr to std::string_median 178 ns 178 ns 10
Concat std::string and number by StrExpr to std::string_stddev 13.8 ns 13.8 ns 10
Concat std::string and number by StrExpr to std::string_cv 7.79 % 7.77 % 10
Concat stringa and number by StrExpr to simstr::stringa_mean 66.5 ns 66.1 ns 10
Concat stringa and number by StrExpr to simstr::stringa_median 66.1 ns 66.3 ns 10
Concat stringa and number by StrExpr to simstr::stringa_stddev 1.69 ns 2.09 ns 10
Concat stringa and number by StrExpr to simstr::stringa_cv 2.54 % 3.16 % 10
Concat stringa and number by e_concat to simstr::stringa_mean 74.9 ns 74.5 ns 10
Concat stringa and number by e_concat to simstr::stringa_median 73.9 ns 74.1 ns 10
Concat stringa and number by e_concat to simstr::stringa_stddev 3.72 ns 3.29 ns 10
Concat stringa and number by e_concat to simstr::stringa_cv 4.97 % 4.42 % 10
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and hex number by std to std::string_mean 1518 ns 1510 ns 10
Concat std::string and hex number by std to std::string_median 1521 ns 1500 ns 10
Concat std::string and hex number by std to std::string_stddev 43.0 ns 52.1 ns 10
Concat std::string and hex number by std to std::string_cv 2.83 % 3.45 % 10
Concat std::string and hex number by StrExpr to std::string_mean 81.0 ns 80.9 ns 10
Concat std::string and hex number by StrExpr to std::string_median 80.3 ns 80.2 ns 10
Concat std::string and hex number by StrExpr to std::string_stddev 3.01 ns 3.87 ns 10
Concat std::string and hex number by StrExpr to std::string_cv 3.71 % 4.79 % 10
Concat stringa and hex number by StrExpr to simstr::stringa_mean 76.6 ns 75.5 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_median 76.0 ns 75.9 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_stddev 5.48 ns 6.10 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_cv 7.16 % 8.08 % 10
Concat stringa and hex number by e_concat to simstr::stringa_mean 78.3 ns 77.8 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_median 77.5 ns 76.7 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_stddev 3.97 ns 3.20 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_cv 5.08 % 4.12 % 10
Concat stringa and hex number by e_subst to simstr::stringa_mean 150 ns 149 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_median 149 ns 146 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_stddev 7.28 ns 7.72 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_cv 4.85 % 5.18 % 10
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 40.1 ns 39.8 ns 10
Concat std::string by std to std::string_median 40.3 ns 39.8 ns 10
Concat std::string by std to std::string_stddev 1.11 ns 1.26 ns 10
Concat std::string by std to std::string_cv 2.77 % 3.16 % 10
Concat std::string by StrExpr to std::string_mean 39.4 ns 39.1 ns 10
Concat std::string by StrExpr to std::string_median 38.6 ns 38.4 ns 10
Concat std::string by StrExpr to std::string_stddev 1.51 ns 1.47 ns 10
Concat std::string by StrExpr to std::string_cv 3.83 % 3.76 % 10
Concat stringa by StrExpr to stringa_mean 28.7 ns 28.5 ns 10
Concat stringa by StrExpr to stringa_median 29.0 ns 28.5 ns 10
Concat stringa by StrExpr to stringa_stddev 0.620 ns 0.699 ns 10
Concat stringa by StrExpr to stringa_cv 2.16 % 2.45 % 10
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 205 ns 204 ns 10
Find concat three std::string_median 205 ns 204 ns 10
Find concat three std::string_stddev 5.53 ns 6.21 ns 10
Find concat three std::string_cv 2.69 % 3.05 % 10
Find concat three strexpr_mean 114 ns 114 ns 10
Find concat three strexpr_median 113 ns 114 ns 10
Find concat three strexpr_stddev 2.57 ns 2.64 ns 10
Find concat three strexpr_cv 2.26 % 2.32 % 10
Find concat three simstr_mean 21.5 ns 21.5 ns 10
Find concat three simstr_median 21.2 ns 21.2 ns 10
Find concat three simstr_stddev 0.643 ns 0.669 ns 10
Find concat three simstr_cv 2.99 % 3.11 % 10
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 8.22 ns 8.14 ns 10
BuildTypeNameStr 0/0_median 8.18 ns 8.11 ns 10
BuildTypeNameStr 0/0_stddev 0.297 ns 0.297 ns 10
BuildTypeNameStr 0/0_cv 3.61 % 3.65 % 10
BuildTypeNameExp 0/0_mean 7.62 ns 7.57 ns 10
BuildTypeNameExp 0/0_median 7.58 ns 7.50 ns 10
BuildTypeNameExp 0/0_stddev 0.165 ns 0.187 ns 10
BuildTypeNameExp 0/0_cv 2.17 % 2.48 % 10
BuildTypeNameSim 0/0_mean 8.19 ns 8.16 ns 10
BuildTypeNameSim 0/0_median 7.92 ns 7.85 ns 10
BuildTypeNameSim 0/0_stddev 0.776 ns 0.788 ns 10
BuildTypeNameSim 0/0_cv 9.47 % 9.65 % 10
BuildTypeNameStr 10/10_mean 64.1 ns 63.6 ns 10
BuildTypeNameStr 10/10_median 58.8 ns 57.9 ns 10
BuildTypeNameStr 10/10_stddev 9.60 ns 10.2 ns 10
BuildTypeNameStr 10/10_cv 14.97 % 16.06 % 10
BuildTypeNameExp 10/10_mean 33.9 ns 33.8 ns 10
BuildTypeNameExp 10/10_median 33.3 ns 33.4 ns 10
BuildTypeNameExp 10/10_stddev 1.37 ns 1.20 ns 10
BuildTypeNameExp 10/10_cv 4.05 % 3.55 % 10
BuildTypeNameSim 10/10_mean 25.3 ns 25.2 ns 10
BuildTypeNameSim 10/10_median 25.1 ns 25.1 ns 10
BuildTypeNameSim 10/10_stddev 0.834 ns 0.765 ns 10
BuildTypeNameSim 10/10_cv 3.30 % 3.04 % 10
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 312 ns 309 ns 10
Concat with replace str_median 315 ns 308 ns 10
Concat with replace str_stddev 11.3 ns 10.5 ns 10
Concat with replace str_cv 3.64 % 3.39 % 10
Concat with replace exp_mean 228 ns 224 ns 10
Concat with replace exp_median 223 ns 217 ns 10
Concat with replace exp_stddev 23.9 ns 24.8 ns 10
Concat with replace exp_cv 10.47 % 11.08 % 10
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.17 ns 1.16 ns 10
std::string e;_median 1.14 ns 1.14 ns 10
std::string e;_stddev 0.083 ns 0.088 ns 10
std::string e;_cv 7.11 % 7.62 % 10
std::string_view e;_mean 0.363 ns 0.361 ns 10
std::string_view e;_median 0.360 ns 0.361 ns 10
std::string_view e;_stddev 0.008 ns 0.009 ns 10
std::string_view e;_cv 2.15 % 2.57 % 10
ssa e;_mean 0.360 ns 0.355 ns 10
ssa e;_median 0.363 ns 0.357 ns 10
ssa e;_stddev 0.007 ns 0.008 ns 10
ssa e;_cv 1.97 % 2.39 % 10
stringa e;_mean 0.740 ns 0.734 ns 10
stringa e;_median 0.740 ns 0.732 ns 10
stringa e;_stddev 0.019 ns 0.022 ns 10
stringa e;_cv 2.55 % 3.06 % 10
lstringa<20> e;_mean 1.11 ns 1.10 ns 10
lstringa<20> e;_median 1.08 ns 1.07 ns 10
lstringa<20> e;_stddev 0.066 ns 0.068 ns 10
lstringa<20> e;_cv 5.96 % 6.13 % 10
lstringa<40> e;_mean 1.10 ns 1.08 ns 10
lstringa<40> e;_median 1.08 ns 1.09 ns 10
lstringa<40> e;_stddev 0.032 ns 0.018 ns 10
lstringa<40> e;_cv 2.93 % 1.63 % 10
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.82 ns 1.81 ns 10
std::string e = "Test text";_median 1.79 ns 1.78 ns 10
std::string e = "Test text";_stddev 0.071 ns 0.065 ns 10
std::string e = "Test text";_cv 3.88 % 3.60 % 10
std::string_view e = "Test text";_mean 0.769 ns 0.765 ns 10
std::string_view e = "Test text";_median 0.756 ns 0.746 ns 10
std::string_view e = "Test text";_stddev 0.054 ns 0.055 ns 10
std::string_view e = "Test text";_cv 7.08 % 7.24 % 10
ssa e = "Test text";_mean 0.365 ns 0.363 ns 10
ssa e = "Test text";_median 0.358 ns 0.358 ns 10
ssa e = "Test text";_stddev 0.016 ns 0.014 ns 10
ssa e = "Test text";_cv 4.43 % 3.91 % 10
stringa e = "Test text";_mean 1.08 ns 1.07 ns 10
stringa e = "Test text";_median 1.08 ns 1.07 ns 10
stringa e = "Test text";_stddev 0.017 ns 0.012 ns 10
stringa e = "Test text";_cv 1.56 % 1.07 % 10
lstringa<20> e = "Test text";_mean 1.85 ns 1.86 ns 10
lstringa<20> e = "Test text";_median 1.85 ns 1.84 ns 10
lstringa<20> e = "Test text";_stddev 0.054 ns 0.055 ns 10
lstringa<20> e = "Test text";_cv 2.89 % 2.95 % 10
lstringa<40> e = "Test text";_mean 1.87 ns 1.85 ns 10
lstringa<40> e = "Test text";_median 1.86 ns 1.84 ns 10
lstringa<40> e = "Test text";_stddev 0.067 ns 0.062 ns 10
lstringa<40> e = "Test text";_cv 3.61 % 3.34 % 10
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 72.1 ns 71.0 ns 10
std::string e = "123456789012345678901234567890";_median 72.4 ns 70.6 ns 10
std::string e = "123456789012345678901234567890";_stddev 2.45 ns 2.33 ns 10
std::string e = "123456789012345678901234567890";_cv 3.39 % 3.29 % 10
std::string_view e = "123456789012345678901234567890";_mean 0.734 ns 0.734 ns 10
std::string_view e = "123456789012345678901234567890";_median 0.721 ns 0.724 ns 10
std::string_view e = "123456789012345678901234567890";_stddev 0.032 ns 0.033 ns 10
std::string_view e = "123456789012345678901234567890";_cv 4.40 % 4.54 % 10
ssa e = "123456789012345678901234567890";_mean 0.360 ns 0.356 ns 10
ssa e = "123456789012345678901234567890";_median 0.355 ns 0.353 ns 10
ssa e = "123456789012345678901234567890";_stddev 0.010 ns 0.007 ns 10
ssa e = "123456789012345678901234567890";_cv 2.76 % 1.90 % 10
stringa e = "123456789012345678901234567890";_mean 1.08 ns 1.07 ns 10
stringa e = "123456789012345678901234567890";_median 1.06 ns 1.07 ns 10
stringa e = "123456789012345678901234567890";_stddev 0.028 ns 0.030 ns 10
stringa e = "123456789012345678901234567890";_cv 2.59 % 2.83 % 10
lstringa<20> e = "123456789012345678901234567890";_mean 74.5 ns 73.4 ns 10
lstringa<20> e = "123456789012345678901234567890";_median 74.3 ns 73.9 ns 10
lstringa<20> e = "123456789012345678901234567890";_stddev 1.41 ns 1.64 ns 10
lstringa<20> e = "123456789012345678901234567890";_cv 1.89 % 2.23 % 10
lstringa<40> e = "123456789012345678901234567890";_mean 2.52 ns 2.48 ns 10
lstringa<40> e = "123456789012345678901234567890";_median 2.49 ns 2.46 ns 10
lstringa<40> e = "123456789012345678901234567890";_stddev 0.080 ns 0.039 ns 10
lstringa<40> e = "123456789012345678901234567890";_cv 3.18 % 1.59 % 10
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 1.84 ns 1.83 ns 10
std::string e = "Test text"; auto c{e};_median 1.80 ns 1.82 ns 10
std::string e = "Test text"; auto c{e};_stddev 0.089 ns 0.092 ns 10
std::string e = "Test text"; auto c{e};_cv 4.83 % 5.03 % 10
std::string_view e = "Test text"; auto c{e};_mean 0.373 ns 0.368 ns 10
std::string_view e = "Test text"; auto c{e};_median 0.373 ns 0.366 ns 10
std::string_view e = "Test text"; auto c{e};_stddev 0.015 ns 0.017 ns 10
std::string_view e = "Test text"; auto c{e};_cv 4.02 % 4.58 % 10
ssa e = "Test text"; auto c{e};_mean 0.363 ns 0.363 ns 10
ssa e = "Test text"; auto c{e};_median 0.359 ns 0.361 ns 10
ssa e = "Test text"; auto c{e};_stddev 0.010 ns 0.011 ns 10
ssa e = "Test text"; auto c{e};_cv 2.79 % 3.13 % 10
stringa e = "Test text"; auto c{e};_mean 1.28 ns 1.27 ns 10
stringa e = "Test text"; auto c{e};_median 1.29 ns 1.27 ns 10
stringa e = "Test text"; auto c{e};_stddev 0.030 ns 0.035 ns 10
stringa e = "Test text"; auto c{e};_cv 2.34 % 2.79 % 10
lstringa<20> e = "Test text"; auto c{e};_mean 4.74 ns 4.71 ns 10
lstringa<20> e = "Test text"; auto c{e};_median 4.70 ns 4.65 ns 10
lstringa<20> e = "Test text"; auto c{e};_stddev 0.131 ns 0.152 ns 10
lstringa<20> e = "Test text"; auto c{e};_cv 2.77 % 3.23 % 10
lstringa<40> e = "Test text"; auto c{e};_mean 4.70 ns 4.67 ns 10
lstringa<40> e = "Test text"; auto c{e};_median 4.65 ns 4.60 ns 10
lstringa<40> e = "Test text"; auto c{e};_stddev 0.155 ns 0.141 ns 10
lstringa<40> e = "Test text"; auto c{e};_cv 3.29 % 3.03 % 10
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 76.6 ns 75.9 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_median 75.4 ns 75.0 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 3.30 ns 2.76 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_cv 4.30 % 3.63 % 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.714 ns 0.710 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.707 ns 0.715 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.014 ns 0.017 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.99 % 2.33 % 10
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.362 ns 0.361 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.361 ns 0.361 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.007 ns 0.007 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.00 % 2.01 % 10
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.84 ns 1.83 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.80 ns 1.80 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.105 ns 0.079 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_cv 5.69 % 4.34 % 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 79.1 ns 79.0 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 78.1 ns 78.5 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 5.13 ns 4.94 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 6.48 % 6.25 % 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.46 ns 4.40 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.43 ns 4.39 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.163 ns 0.126 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 3.67 % 2.85 % 10
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find;_mean 38.2 ns 38.3 ns 10
std::string::find;_median 37.9 ns 37.7 ns 10
std::string::find;_stddev 0.923 ns 1.19 ns 10
std::string::find;_cv 2.41 % 3.10 % 10
std::string_view::find;_mean 38.2 ns 37.8 ns 10
std::string_view::find;_median 37.7 ns 37.7 ns 10
std::string_view::find;_stddev 1.44 ns 0.769 ns 10
std::string_view::find;_cv 3.77 % 2.03 % 10
ssa::find;_mean 17.8 ns 17.6 ns 10
ssa::find;_median 17.7 ns 17.4 ns 10
ssa::find;_stddev 0.592 ns 0.711 ns 10
ssa::find;_cv 3.33 % 4.05 % 10
stringa::find;_mean 18.7 ns 18.7 ns 10
stringa::find;_median 18.2 ns 17.9 ns 10
stringa::find;_stddev 1.67 ns 1.65 ns 10
stringa::find;_cv 8.93 % 8.85 % 10
lstringa<20>::find;_mean 19.6 ns 19.6 ns 10
lstringa<20>::find;_median 18.9 ns 18.6 ns 10
lstringa<20>::find;_stddev 1.77 ns 1.93 ns 10
lstringa<20>::find;_cv 9.03 % 9.87 % 10
lstringa<40>::find;_mean 17.5 ns 17.3 ns 10
lstringa<40>::find;_median 17.2 ns 17.3 ns 10
lstringa<40>::find;_stddev 0.751 ns 0.741 ns 10
lstringa<40>::find;_cv 4.28 % 4.27 % 10
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 1.80 ns 1.79 ns 10
std::string copy{str_with_len_N};/15_median 1.79 ns 1.77 ns 10
std::string copy{str_with_len_N};/15_stddev 0.033 ns 0.049 ns 10
std::string copy{str_with_len_N};/15_cv 1.84 % 2.73 % 10
std::string copy{str_with_len_N};/16_mean 80.7 ns 80.4 ns 10
std::string copy{str_with_len_N};/16_median 80.4 ns 80.2 ns 10
std::string copy{str_with_len_N};/16_stddev 2.05 ns 2.39 ns 10
std::string copy{str_with_len_N};/16_cv 2.54 % 2.97 % 10
std::string copy{str_with_len_N};/23_mean 81.5 ns 80.4 ns 10
std::string copy{str_with_len_N};/23_median 81.6 ns 79.5 ns 10
std::string copy{str_with_len_N};/23_stddev 3.76 ns 3.72 ns 10
std::string copy{str_with_len_N};/23_cv 4.61 % 4.63 % 10
std::string copy{str_with_len_N};/24_mean 79.1 ns 78.0 ns 10
std::string copy{str_with_len_N};/24_median 78.2 ns 78.5 ns 10
std::string copy{str_with_len_N};/24_stddev 3.54 ns 1.85 ns 10
std::string copy{str_with_len_N};/24_cv 4.47 % 2.37 % 10
std::string copy{str_with_len_N};/32_mean 81.0 ns 79.9 ns 10
std::string copy{str_with_len_N};/32_median 80.7 ns 79.3 ns 10
std::string copy{str_with_len_N};/32_stddev 1.83 ns 2.30 ns 10
std::string copy{str_with_len_N};/32_cv 2.26 % 2.87 % 10
std::string copy{str_with_len_N};/64_mean 82.1 ns 80.0 ns 10
std::string copy{str_with_len_N};/64_median 80.6 ns 79.3 ns 10
std::string copy{str_with_len_N};/64_stddev 6.31 ns 3.33 ns 10
std::string copy{str_with_len_N};/64_cv 7.68 % 4.17 % 10
std::string copy{str_with_len_N};/128_mean 84.9 ns 83.5 ns 10
std::string copy{str_with_len_N};/128_median 83.3 ns 82.0 ns 10
std::string copy{str_with_len_N};/128_stddev 6.18 ns 6.65 ns 10
std::string copy{str_with_len_N};/128_cv 7.29 % 7.96 % 10
std::string copy{str_with_len_N};/256_mean 84.9 ns 84.4 ns 10
std::string copy{str_with_len_N};/256_median 84.7 ns 83.7 ns 10
std::string copy{str_with_len_N};/256_stddev 1.41 ns 1.47 ns 10
std::string copy{str_with_len_N};/256_cv 1.66 % 1.74 % 10
std::string copy{str_with_len_N};/512_mean 95.7 ns 95.4 ns 10
std::string copy{str_with_len_N};/512_median 91.2 ns 91.0 ns 10
std::string copy{str_with_len_N};/512_stddev 11.0 ns 11.0 ns 10
std::string copy{str_with_len_N};/512_cv 11.50 % 11.57 % 10
std::string copy{str_with_len_N};/1024_mean 95.9 ns 95.7 ns 10
std::string copy{str_with_len_N};/1024_median 93.5 ns 93.5 ns 10
std::string copy{str_with_len_N};/1024_stddev 6.97 ns 6.97 ns 10
std::string copy{str_with_len_N};/1024_cv 7.26 % 7.28 % 10
std::string copy{str_with_len_N};/2048_mean 131 ns 130 ns 10
std::string copy{str_with_len_N};/2048_median 131 ns 131 ns 10
std::string copy{str_with_len_N};/2048_stddev 2.72 ns 2.35 ns 10
std::string copy{str_with_len_N};/2048_cv 2.08 % 1.81 % 10
std::string copy{str_with_len_N};/4096_mean 175 ns 174 ns 10
std::string copy{str_with_len_N};/4096_median 175 ns 173 ns 10
std::string copy{str_with_len_N};/4096_stddev 5.31 ns 5.44 ns 10
std::string copy{str_with_len_N};/4096_cv 3.04 % 3.13 % 10
stringa copy{str_with_len_N};/15_mean 1.31 ns 1.31 ns 10
stringa copy{str_with_len_N};/15_median 1.29 ns 1.28 ns 10
stringa copy{str_with_len_N};/15_stddev 0.078 ns 0.085 ns 10
stringa copy{str_with_len_N};/15_cv 5.99 % 6.50 % 10
stringa copy{str_with_len_N};/16_mean 1.29 ns 1.28 ns 10
stringa copy{str_with_len_N};/16_median 1.29 ns 1.27 ns 10
stringa copy{str_with_len_N};/16_stddev 0.037 ns 0.037 ns 10
stringa copy{str_with_len_N};/16_cv 2.88 % 2.93 % 10
stringa copy{str_with_len_N};/23_mean 1.29 ns 1.27 ns 10
stringa copy{str_with_len_N};/23_median 1.27 ns 1.26 ns 10
stringa copy{str_with_len_N};/23_stddev 0.043 ns 0.040 ns 10
stringa copy{str_with_len_N};/23_cv 3.36 % 3.12 % 10
stringa copy{str_with_len_N};/24_mean 15.8 ns 15.5 ns 10
stringa copy{str_with_len_N};/24_median 15.8 ns 15.3 ns 10
stringa copy{str_with_len_N};/24_stddev 0.176 ns 0.294 ns 10
stringa copy{str_with_len_N};/24_cv 1.11 % 1.90 % 10
stringa copy{str_with_len_N};/32_mean 16.0 ns 15.3 ns 10
stringa copy{str_with_len_N};/32_median 15.9 ns 15.3 ns 10
stringa copy{str_with_len_N};/32_stddev 0.362 ns 0.443 ns 10
stringa copy{str_with_len_N};/32_cv 2.27 % 2.89 % 10
stringa copy{str_with_len_N};/64_mean 15.7 ns 15.6 ns 10
stringa copy{str_with_len_N};/64_median 15.7 ns 15.7 ns 10
stringa copy{str_with_len_N};/64_stddev 0.216 ns 0.275 ns 10
stringa copy{str_with_len_N};/64_cv 1.37 % 1.76 % 10
stringa copy{str_with_len_N};/128_mean 15.9 ns 15.8 ns 10
stringa copy{str_with_len_N};/128_median 16.0 ns 15.9 ns 10
stringa copy{str_with_len_N};/128_stddev 0.183 ns 0.287 ns 10
stringa copy{str_with_len_N};/128_cv 1.15 % 1.82 % 10
stringa copy{str_with_len_N};/256_mean 16.0 ns 15.9 ns 10
stringa copy{str_with_len_N};/256_median 16.1 ns 15.9 ns 10
stringa copy{str_with_len_N};/256_stddev 0.265 ns 0.244 ns 10
stringa copy{str_with_len_N};/256_cv 1.66 % 1.53 % 10
stringa copy{str_with_len_N};/512_mean 15.9 ns 15.8 ns 10
stringa copy{str_with_len_N};/512_median 15.8 ns 15.7 ns 10
stringa copy{str_with_len_N};/512_stddev 0.265 ns 0.283 ns 10
stringa copy{str_with_len_N};/512_cv 1.66 % 1.80 % 10
stringa copy{str_with_len_N};/1024_mean 16.1 ns 15.7 ns 10
stringa copy{str_with_len_N};/1024_median 16.1 ns 15.7 ns 10
stringa copy{str_with_len_N};/1024_stddev 0.211 ns 0.435 ns 10
stringa copy{str_with_len_N};/1024_cv 1.32 % 2.77 % 10
stringa copy{str_with_len_N};/2048_mean 16.1 ns 15.7 ns 10
stringa copy{str_with_len_N};/2048_median 16.1 ns 15.7 ns 10
stringa copy{str_with_len_N};/2048_stddev 0.298 ns 0.257 ns 10
stringa copy{str_with_len_N};/2048_cv 1.85 % 1.64 % 10
stringa copy{str_with_len_N};/4096_mean 16.0 ns 15.8 ns 10
stringa copy{str_with_len_N};/4096_median 16.0 ns 15.7 ns 10
stringa copy{str_with_len_N};/4096_stddev 0.233 ns 0.316 ns 10
stringa copy{str_with_len_N};/4096_cv 1.45 % 1.99 % 10
lstringa<16> copy{str_with_len_N};/15_mean 5.02 ns 4.97 ns 10
lstringa<16> copy{str_with_len_N};/15_median 4.99 ns 5.02 ns 10
lstringa<16> copy{str_with_len_N};/15_stddev 0.223 ns 0.188 ns 10
lstringa<16> copy{str_with_len_N};/15_cv 4.45 % 3.79 % 10
lstringa<16> copy{str_with_len_N};/16_mean 4.96 ns 4.93 ns 10
lstringa<16> copy{str_with_len_N};/16_median 4.96 ns 4.92 ns 10
lstringa<16> copy{str_with_len_N};/16_stddev 0.121 ns 0.127 ns 10
lstringa<16> copy{str_with_len_N};/16_cv 2.43 % 2.57 % 10
lstringa<16> copy{str_with_len_N};/23_mean 5.42 ns 5.38 ns 10
lstringa<16> copy{str_with_len_N};/23_median 5.25 ns 5.24 ns 10
lstringa<16> copy{str_with_len_N};/23_stddev 0.408 ns 0.435 ns 10
lstringa<16> copy{str_with_len_N};/23_cv 7.53 % 8.08 % 10
lstringa<16> copy{str_with_len_N};/24_mean 78.1 ns 77.4 ns 10
lstringa<16> copy{str_with_len_N};/24_median 77.1 ns 76.4 ns 10
lstringa<16> copy{str_with_len_N};/24_stddev 3.87 ns 3.12 ns 10
lstringa<16> copy{str_with_len_N};/24_cv 4.96 % 4.03 % 10
lstringa<16> copy{str_with_len_N};/32_mean 84.7 ns 83.5 ns 10
lstringa<16> copy{str_with_len_N};/32_median 83.8 ns 82.0 ns 10
lstringa<16> copy{str_with_len_N};/32_stddev 4.08 ns 4.68 ns 10
lstringa<16> copy{str_with_len_N};/32_cv 4.81 % 5.61 % 10
lstringa<16> copy{str_with_len_N};/64_mean 82.4 ns 81.4 ns 10
lstringa<16> copy{str_with_len_N};/64_median 81.8 ns 80.2 ns 10
lstringa<16> copy{str_with_len_N};/64_stddev 4.29 ns 3.49 ns 10
lstringa<16> copy{str_with_len_N};/64_cv 5.21 % 4.29 % 10
lstringa<16> copy{str_with_len_N};/128_mean 87.2 ns 85.6 ns 10
lstringa<16> copy{str_with_len_N};/128_median 86.9 ns 85.4 ns 10
lstringa<16> copy{str_with_len_N};/128_stddev 5.47 ns 5.90 ns 10
lstringa<16> copy{str_with_len_N};/128_cv 6.27 % 6.89 % 10
lstringa<16> copy{str_with_len_N};/256_mean 93.7 ns 92.6 ns 10
lstringa<16> copy{str_with_len_N};/256_median 94.8 ns 93.5 ns 10
lstringa<16> copy{str_with_len_N};/256_stddev 6.19 ns 6.55 ns 10
lstringa<16> copy{str_with_len_N};/256_cv 6.61 % 7.07 % 10
lstringa<16> copy{str_with_len_N};/512_mean 93.0 ns 92.9 ns 10
lstringa<16> copy{str_with_len_N};/512_median 92.3 ns 91.6 ns 10
lstringa<16> copy{str_with_len_N};/512_stddev 4.38 ns 4.20 ns 10
lstringa<16> copy{str_with_len_N};/512_cv 4.71 % 4.51 % 10
lstringa<16> copy{str_with_len_N};/1024_mean 99.6 ns 99.0 ns 10
lstringa<16> copy{str_with_len_N};/1024_median 99.5 ns 98.4 ns 10
lstringa<16> copy{str_with_len_N};/1024_stddev 6.50 ns 6.69 ns 10
lstringa<16> copy{str_with_len_N};/1024_cv 6.53 % 6.76 % 10
lstringa<16> copy{str_with_len_N};/2048_mean 127 ns 126 ns 10
lstringa<16> copy{str_with_len_N};/2048_median 125 ns 126 ns 10
lstringa<16> copy{str_with_len_N};/2048_stddev 6.35 ns 6.03 ns 10
lstringa<16> copy{str_with_len_N};/2048_cv 5.01 % 4.77 % 10
lstringa<16> copy{str_with_len_N};/4096_mean 198 ns 196 ns 10
lstringa<16> copy{str_with_len_N};/4096_median 198 ns 197 ns 10
lstringa<16> copy{str_with_len_N};/4096_stddev 4.38 ns 4.16 ns 10
lstringa<16> copy{str_with_len_N};/4096_cv 2.21 % 2.12 % 10
lstringa<512> copy{str_with_len_N};/15_mean 4.94 ns 4.84 ns 10
lstringa<512> copy{str_with_len_N};/15_median 4.93 ns 4.84 ns 10
lstringa<512> copy{str_with_len_N};/15_stddev 0.241 ns 0.285 ns 10
lstringa<512> copy{str_with_len_N};/15_cv 4.88 % 5.89 % 10
lstringa<512> copy{str_with_len_N};/16_mean 4.93 ns 4.87 ns 10
lstringa<512> copy{str_with_len_N};/16_median 4.97 ns 4.80 ns 10
lstringa<512> copy{str_with_len_N};/16_stddev 0.161 ns 0.187 ns 10
lstringa<512> copy{str_with_len_N};/16_cv 3.28 % 3.85 % 10
lstringa<512> copy{str_with_len_N};/23_mean 4.71 ns 4.66 ns 10
lstringa<512> copy{str_with_len_N};/23_median 4.69 ns 4.66 ns 10
lstringa<512> copy{str_with_len_N};/23_stddev 0.088 ns 0.055 ns 10
lstringa<512> copy{str_with_len_N};/23_cv 1.87 % 1.18 % 10
lstringa<512> copy{str_with_len_N};/24_mean 4.87 ns 4.85 ns 10
lstringa<512> copy{str_with_len_N};/24_median 4.86 ns 4.81 ns 10
lstringa<512> copy{str_with_len_N};/24_stddev 0.104 ns 0.123 ns 10
lstringa<512> copy{str_with_len_N};/24_cv 2.13 % 2.53 % 10
lstringa<512> copy{str_with_len_N};/32_mean 7.69 ns 7.60 ns 10
lstringa<512> copy{str_with_len_N};/32_median 7.64 ns 7.67 ns 10
lstringa<512> copy{str_with_len_N};/32_stddev 0.197 ns 0.187 ns 10
lstringa<512> copy{str_with_len_N};/32_cv 2.56 % 2.47 % 10
lstringa<512> copy{str_with_len_N};/64_mean 7.79 ns 7.71 ns 10
lstringa<512> copy{str_with_len_N};/64_median 7.77 ns 7.67 ns 10
lstringa<512> copy{str_with_len_N};/64_stddev 0.212 ns 0.138 ns 10
lstringa<512> copy{str_with_len_N};/64_cv 2.73 % 1.78 % 10
lstringa<512> copy{str_with_len_N};/128_mean 8.68 ns 8.62 ns 10
lstringa<512> copy{str_with_len_N};/128_median 8.58 ns 8.48 ns 10
lstringa<512> copy{str_with_len_N};/128_stddev 0.462 ns 0.511 ns 10
lstringa<512> copy{str_with_len_N};/128_cv 5.32 % 5.92 % 10
lstringa<512> copy{str_with_len_N};/256_mean 9.48 ns 9.33 ns 10
lstringa<512> copy{str_with_len_N};/256_median 9.44 ns 9.21 ns 10
lstringa<512> copy{str_with_len_N};/256_stddev 0.363 ns 0.330 ns 10
lstringa<512> copy{str_with_len_N};/256_cv 3.83 % 3.54 % 10
lstringa<512> copy{str_with_len_N};/512_mean 10.9 ns 10.8 ns 10
lstringa<512> copy{str_with_len_N};/512_median 10.8 ns 10.6 ns 10
lstringa<512> copy{str_with_len_N};/512_stddev 0.418 ns 0.437 ns 10
lstringa<512> copy{str_with_len_N};/512_cv 3.84 % 4.06 % 10
lstringa<512> copy{str_with_len_N};/1024_mean 98.5 ns 98.6 ns 10
lstringa<512> copy{str_with_len_N};/1024_median 99.5 ns 99.4 ns 10
lstringa<512> copy{str_with_len_N};/1024_stddev 6.81 ns 6.87 ns 10
lstringa<512> copy{str_with_len_N};/1024_cv 6.91 % 6.97 % 10
lstringa<512> copy{str_with_len_N};/2048_mean 132 ns 132 ns 10
lstringa<512> copy{str_with_len_N};/2048_median 130 ns 131 ns 10
lstringa<512> copy{str_with_len_N};/2048_stddev 6.33 ns 5.39 ns 10
lstringa<512> copy{str_with_len_N};/2048_cv 4.78 % 4.09 % 10
lstringa<512> copy{str_with_len_N};/4096_mean 199 ns 196 ns 10
lstringa<512> copy{str_with_len_N};/4096_median 198 ns 197 ns 10
lstringa<512> copy{str_with_len_N};/4096_stddev 7.07 ns 7.06 ns 10
lstringa<512> copy{str_with_len_N};/4096_cv 3.56 % 3.60 % 10
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 31.8 ns 31.6 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 31.3 ns 31.1 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 1.99 ns 2.03 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 6.24 % 6.41 % 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 14.1 ns 14.0 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 14.0 ns 13.8 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.462 ns 0.473 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 3.28 % 3.38 % 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 14.4 ns 14.3 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 14.5 ns 14.3 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.407 ns 0.465 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.83 % 3.25 % 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 13.8 ns 13.6 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 13.7 ns 13.5 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.355 ns 0.256 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.58 % 1.88 % 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 13.8 ns 13.6 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 13.7 ns 13.5 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.460 ns 0.356 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 3.35 % 2.63 % 10
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 33.8 ns 33.6 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 33.4 ns 33.3 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.875 ns 1.17 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.59 % 3.48 % 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 8.36 ns 8.27 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 8.37 ns 8.27 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.254 ns 0.283 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 3.04 % 3.43 % 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 13.0 ns 13.0 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 13.0 ns 13.0 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.814 ns 0.803 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 6.24 % 6.19 % 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.4 ns 12.3 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.5 ns 12.2 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.369 ns 0.420 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 2.97 % 3.40 % 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.3 ns 12.0 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.3 ns 12.0 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.474 ns 0.327 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.85 % 2.71 % 10
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 45.7 ns 45.2 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 46.0 ns 44.4 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 2.11 ns 2.39 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 4.61 % 5.30 % 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 19.5 ns 19.5 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 19.2 ns 19.3 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.860 ns 1.01 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 4.42 % 5.21 % 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 15.9 ns 15.7 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 16.1 ns 15.7 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.606 ns 0.600 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 3.82 % 3.82 % 10
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 104 ns 104 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 103 ns 104 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 4.01 ns 3.49 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 3.86 % 3.36 % 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 62.1 ns 61.8 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 62.6 ns 62.1 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.88 ns 2.19 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 3.03 % 3.54 % 10
ssa s = "1234.567e10"; double res = *s.to_double()_mean 35.8 ns 35.4 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_median 35.6 ns 35.3 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.859 ns 0.844 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.40 % 2.39 % 10
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 5448 ns 5391 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_median 5281 ns 5234 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 582 ns 600 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 10.69 % 11.12 % 10
std::string str; ... str += "abbaabbaabbaabba";_mean 1058 ns 1052 ns 10
std::string str; ... str += "abbaabbaabbaabba";_median 1049 ns 1038 ns 10
std::string str; ... str += "abbaabbaabbaabba";_stddev 35.4 ns 43.7 ns 10
std::string str; ... str += "abbaabbaabbaabba";_cv 3.34 % 4.16 % 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 784 ns 778 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 766 ns 759 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 67.9 ns 68.4 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 8.66 % 8.79 % 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 397 ns 395 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 383 ns 377 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 32.7 ns 32.0 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 8.23 % 8.10 % 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 241 ns 238 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 234 ns 234 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 15.3 ns 14.9 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 6.37 % 6.28 % 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 152 ns 152 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 152 ns 152 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 1.05 ns 1.84 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 0.69 % 1.21 % 10
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 4534 ns 4506 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4512 ns 4464 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 180 ns 162 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 3.97 % 3.59 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3803 ns 3775 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3832 ns 3793 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 138 ns 130 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 3.64 % 3.45 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 698 ns 699 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 691 ns 698 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 20.3 ns 19.1 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.91 % 2.74 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 446 ns 443 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 443 ns 445 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 12.4 ns 10.4 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.79 % 2.36 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 293 ns 290 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 292 ns 285 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 8.20 ns 9.90 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.80 % 3.42 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 205 ns 203 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 202 ns 202 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 7.28 ns 6.87 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.55 % 3.38 % 10
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 226006 ns 224609 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 228886 ns 227051 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 8619 ns 8612 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.81 % 3.83 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 202060 ns 202166 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 200845 ns 200911 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 17255 ns 17764 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 8.54 % 8.79 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18025 ns 17955 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17996 ns 17840 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 524 ns 594 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.91 % 3.31 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16217 ns 16152 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16181 ns 16113 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 297 ns 382 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.83 % 2.36 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 15826 ns 15625 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 15620 ns 15695 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 416 ns 396 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.63 % 2.53 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16177 ns 16148 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 15872 ns 15869 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 890 ns 886 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 5.50 % 5.49 % 10
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 4604 ns 4548 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_median 4425 ns 4332 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_stddev 417 ns 435 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_cv 9.05 % 9.57 % 10
std::string str; ... str += str_var1 + str_var2;_mean 3797 ns 3784 ns 10
std::string str; ... str += str_var1 + str_var2;_median 3746 ns 3749 ns 10
std::string str; ... str += str_var1 + str_var2;_stddev 169 ns 180 ns 10
std::string str; ... str += str_var1 + str_var2;_cv 4.45 % 4.76 % 10
lstringa<16> str; ... str += str_var1 + str_var2;_mean 813 ns 788 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_median 803 ns 785 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 38.4 ns 19.8 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_cv 4.73 % 2.51 % 10
lstringa<128> str; ... str += str_var1 + str_var2;_mean 527 ns 525 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_median 523 ns 516 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 24.2 ns 24.8 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_cv 4.58 % 4.72 % 10
lstringa<512> str; ... str += str_var1 + str_var2;_mean 381 ns 376 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_median 381 ns 375 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 8.04 ns 9.60 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_cv 2.11 % 2.55 % 10
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 278 ns 276 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_median 278 ns 276 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 4.29 ns 4.19 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.54 % 1.52 % 10
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 10665 ns 10631 ns 10
std::stringstream str; str << "test = " << k << " times";_median 10596 ns 10568 ns 10
std::stringstream str; str << "test = " << k << " times";_stddev 219 ns 192 ns 10
std::stringstream str; str << "test = " << k << " times";_cv 2.06 % 1.81 % 10
std::string str = "test = " + std::to_string(k) + " times";_mean 1052 ns 1042 ns 10
std::string str = "test = " + std::to_string(k) + " times";_median 1046 ns 1038 ns 10
std::string str = "test = " + std::to_string(k) + " times";_stddev 24.8 ns 28.3 ns 10
std::string str = "test = " + std::to_string(k) + " times";_cv 2.36 % 2.72 % 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2789 ns 2781 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2746 ns 2727 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 103 ns 103 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 3.70 % 3.69 % 10
std::string str = std::format("test = {} times", k);_mean 1904 ns 1888 ns 10
std::string str = std::format("test = {} times", k);_median 1868 ns 1883 ns 10
std::string str = std::format("test = {} times", k);_stddev 66.4 ns 69.6 ns 10
std::string str = std::format("test = {} times", k);_cv 3.48 % 3.69 % 10
lstringa<8> str; str.format("test = {} times", k);_mean 2168 ns 2149 ns 10
lstringa<8> str; str.format("test = {} times", k);_median 2162 ns 2131 ns 10
lstringa<8> str; str.format("test = {} times", k);_stddev 145 ns 162 ns 10
lstringa<8> str; str.format("test = {} times", k);_cv 6.71 % 7.52 % 10
lstringa<32> str; str.format("test = {} times", k);_mean 1029 ns 1021 ns 10
lstringa<32> str; str.format("test = {} times", k);_median 1031 ns 1013 ns 10
lstringa<32> str; str.format("test = {} times", k);_stddev 41.9 ns 47.2 ns 10
lstringa<32> str; str.format("test = {} times", k);_cv 4.07 % 4.62 % 10
lstringa<8> str = "test = " + k + " times";_mean 807 ns 799 ns 10
lstringa<8> str = "test = " + k + " times";_median 786 ns 776 ns 10
lstringa<8> str = "test = " + k + " times";_stddev 61.1 ns 59.2 ns 10
lstringa<8> str = "test = " + k + " times";_cv 7.57 % 7.41 % 10
lstringa<32> str = "test = " + k + " times";_mean 155 ns 154 ns 10
lstringa<32> str = "test = " + k + " times";_median 153 ns 154 ns 10
lstringa<32> str = "test = " + k + " times";_stddev 8.84 ns 9.53 ns 10
lstringa<32> str = "test = " + k + " times";_cv 5.71 % 6.18 % 10
stringa str = "test = " + k + " times";_mean 151 ns 150 ns 10
stringa str = "test = " + k + " times";_median 151 ns 151 ns 10
stringa str = "test = " + k + " times";_stddev 3.50 ns 4.45 ns 10
stringa str = "test = " + k + " times";_cv 2.32 % 2.97 % 10
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 539 ns 530 ns 10
std::string::find + substr + std::strtol_median 533 ns 531 ns 10
std::string::find + substr + std::strtol_stddev 16.5 ns 11.5 ns 10
std::string::find + substr + std::strtol_cv 3.05 % 2.18 % 10
ssa::splitter + ssa::as_int_mean 173 ns 172 ns 10
ssa::splitter + ssa::as_int_median 174 ns 174 ns 10
ssa::splitter + ssa::as_int_stddev 12.7 ns 12.7 ns 10
ssa::splitter + ssa::as_int_cv 7.38 % 7.34 % 10
ssa::splitf + functor_mean 191 ns 190 ns 10
ssa::splitf + functor_median 189 ns 190 ns 10
ssa::splitf + functor_stddev 5.99 ns 6.57 ns 10
ssa::splitf + functor_cv 3.13 % 3.46 % 10
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 1185 ns 1184 ns 10
Naive (and wrong) replace symbols with std::string find + replace_median 1161 ns 1147 ns 10
Naive (and wrong) replace symbols with std::string find + replace_stddev 77.2 ns 79.9 ns 10
Naive (and wrong) replace symbols with std::string find + replace_cv 6.51 % 6.75 % 10
replace symbols with std::string find_first_of + replace_mean 2165 ns 2158 ns 10
replace symbols with std::string find_first_of + replace_median 2114 ns 2105 ns 10
replace symbols with std::string find_first_of + replace_stddev 188 ns 196 ns 10
replace symbols with std::string find_first_of + replace_cv 8.69 % 9.08 % 10
replace symbols with std::string_view find_first_of + copy_mean 2298 ns 2285 ns 10
replace symbols with std::string_view find_first_of + copy_median 2297 ns 2295 ns 10
replace symbols with std::string_view find_first_of + copy_stddev 34.5 ns 38.5 ns 10
replace symbols with std::string_view find_first_of + copy_cv 1.50 % 1.69 % 10
replace runtime symbols with string expressions and without remembering all search results_mean 1439 ns 1422 ns 10
replace runtime symbols with string expressions and without remembering all search results_median 1453 ns 1413 ns 10
replace runtime symbols with string expressions and without remembering all search results_stddev 55.0 ns 46.9 ns 10
replace runtime symbols with string expressions and without remembering all search results_cv 3.82 % 3.30 % 10
replace runtime symbols with simstr and memorization of all search results_mean 1270 ns 1270 ns 10
replace runtime symbols with simstr and memorization of all search results_median 1256 ns 1256 ns 10
replace runtime symbols with simstr and memorization of all search results_stddev 51.5 ns 42.1 ns 10
replace runtime symbols with simstr and memorization of all search results_cv 4.06 % 3.32 % 10
replace const symbols with string expressions and without remembering all search results_mean 1135 ns 1119 ns 10
replace const symbols with string expressions and without remembering all search results_median 1134 ns 1116 ns 10
replace const symbols with string expressions and without remembering all search results_stddev 28.1 ns 33.4 ns 10
replace const symbols with string expressions and without remembering all search results_cv 2.48 % 2.99 % 10
replace const symbols with string expressions and memorization of all search results_mean 1210 ns 1189 ns 10
replace const symbols with string expressions and memorization of all search results_median 1206 ns 1184 ns 10
replace const symbols with string expressions and memorization of all search results_stddev 32.6 ns 38.3 ns 10
replace const symbols with string expressions and memorization of all search results_cv 2.69 % 3.22 % 10
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 321 ns 317 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_median 321 ns 315 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 7.98 ns 6.59 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.49 % 2.08 % 10
Short replace symbols with std::string find_first_of + replace_mean 385 ns 383 ns 10
Short replace symbols with std::string find_first_of + replace_median 381 ns 385 ns 10
Short replace symbols with std::string find_first_of + replace_stddev 15.7 ns 17.1 ns 10
Short replace symbols with std::string find_first_of + replace_cv 4.07 % 4.46 % 10
Short replace symbols with std::string_view find_first_of + copy_mean 330 ns 327 ns 10
Short replace symbols with std::string_view find_first_of + copy_median 327 ns 326 ns 10
Short replace symbols with std::string_view find_first_of + copy_stddev 17.1 ns 20.4 ns 10
Short replace symbols with std::string_view find_first_of + copy_cv 5.18 % 6.23 % 10
Short replace runtime symbols with string expressions and without remembering all search results_mean 269 ns 267 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_median 269 ns 267 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_stddev 9.88 ns 6.85 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_cv 3.67 % 2.57 % 10
Short replace runtime symbols with simstr and memorization of all search results_mean 348 ns 346 ns 10
Short replace runtime symbols with simstr and memorization of all search results_median 350 ns 345 ns 10
Short replace runtime symbols with simstr and memorization of all search results_stddev 15.4 ns 13.2 ns 10
Short replace runtime symbols with simstr and memorization of all search results_cv 4.44 % 3.83 % 10
Short replace const symbols with string expressions and without remembering all search results_mean 232 ns 228 ns 10
Short replace const symbols with string expressions and without remembering all search results_median 230 ns 225 ns 10
Short replace const symbols with string expressions and without remembering all search results_stddev 16.6 ns 17.5 ns 10
Short replace const symbols with string expressions and without remembering all search results_cv 7.19 % 7.66 % 10
Short replace const symbols with string expressions and memorization of all search results_mean 323 ns 322 ns 10
Short replace const symbols with string expressions and memorization of all search results_median 323 ns 322 ns 10
Short replace const symbols with string expressions and memorization of all search results_stddev 9.17 ns 10.4 ns 10
Short replace const symbols with string expressions and memorization of all search results_cv 2.84 % 3.21 % 10
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 232 ns 231 ns 10
replace bb to ---- in std::string|64_median 233 ns 233 ns 10
replace bb to ---- in std::string|64_stddev 7.63 ns 6.73 ns 10
replace bb to ---- in std::string|64_cv 3.29 % 2.92 % 10
replace bb to ---- in std::string|256_mean 757 ns 755 ns 10
replace bb to ---- in std::string|256_median 752 ns 750 ns 10
replace bb to ---- in std::string|256_stddev 26.0 ns 24.7 ns 10
replace bb to ---- in std::string|256_cv 3.44 % 3.28 % 10
replace bb to ---- in std::string|512_mean 1482 ns 1472 ns 10
replace bb to ---- in std::string|512_median 1474 ns 1475 ns 10
replace bb to ---- in std::string|512_stddev 59.8 ns 60.0 ns 10
replace bb to ---- in std::string|512_cv 4.03 % 4.08 % 10
replace bb to ---- in std::string|1024_mean 3150 ns 3134 ns 10
replace bb to ---- in std::string|1024_median 3098 ns 3115 ns 10
replace bb to ---- in std::string|1024_stddev 102 ns 99.0 ns 10
replace bb to ---- in std::string|1024_cv 3.25 % 3.16 % 10
replace bb to ---- in std::string|2048_mean 8049 ns 7987 ns 10
replace bb to ---- in std::string|2048_median 8074 ns 7935 ns 10
replace bb to ---- in std::string|2048_stddev 217 ns 198 ns 10
replace bb to ---- in std::string|2048_cv 2.70 % 2.48 % 10
replace bb to ---- in lstringa<8>|64_mean 304 ns 300 ns 10
replace bb to ---- in lstringa<8>|64_median 302 ns 298 ns 10
replace bb to ---- in lstringa<8>|64_stddev 13.4 ns 10.7 ns 10
replace bb to ---- in lstringa<8>|64_cv 4.40 % 3.58 % 10
replace bb to ---- in lstringa<8>|256_mean 606 ns 603 ns 10
replace bb to ---- in lstringa<8>|256_median 607 ns 609 ns 10
replace bb to ---- in lstringa<8>|256_stddev 12.0 ns 15.1 ns 10
replace bb to ---- in lstringa<8>|256_cv 1.98 % 2.50 % 10
replace bb to ---- in lstringa<8>|512_mean 1054 ns 1035 ns 10
replace bb to ---- in lstringa<8>|512_median 1045 ns 1025 ns 10
replace bb to ---- in lstringa<8>|512_stddev 37.3 ns 38.5 ns 10
replace bb to ---- in lstringa<8>|512_cv 3.54 % 3.72 % 10
replace bb to ---- in lstringa<8>|1024_mean 1839 ns 1816 ns 10
replace bb to ---- in lstringa<8>|1024_median 1826 ns 1800 ns 10
replace bb to ---- in lstringa<8>|1024_stddev 46.2 ns 45.0 ns 10
replace bb to ---- in lstringa<8>|1024_cv 2.51 % 2.48 % 10
replace bb to ---- in lstringa<8>|2048_mean 3503 ns 3479 ns 10
replace bb to ---- in lstringa<8>|2048_median 3474 ns 3442 ns 10
replace bb to ---- in lstringa<8>|2048_stddev 95.2 ns 105 ns 10
replace bb to ---- in lstringa<8>|2048_cv 2.72 % 3.02 % 10
replace bb to ---- by init stringa|64_mean 183 ns 183 ns 10
replace bb to ---- by init stringa|64_median 186 ns 183 ns 10
replace bb to ---- by init stringa|64_stddev 16.6 ns 16.5 ns 10
replace bb to ---- by init stringa|64_cv 9.07 % 9.01 % 10
replace bb to ---- by init stringa|256_mean 374 ns 372 ns 10
replace bb to ---- by init stringa|256_median 371 ns 369 ns 10
replace bb to ---- by init stringa|256_stddev 12.3 ns 9.42 ns 10
replace bb to ---- by init stringa|256_cv 3.28 % 2.53 % 10
replace bb to ---- by init stringa|512_mean 824 ns 818 ns 10
replace bb to ---- by init stringa|512_median 816 ns 802 ns 10
replace bb to ---- by init stringa|512_stddev 37.6 ns 36.3 ns 10
replace bb to ---- by init stringa|512_cv 4.56 % 4.43 % 10
replace bb to ---- by init stringa|1024_mean 1681 ns 1657 ns 10
replace bb to ---- by init stringa|1024_median 1670 ns 1639 ns 10
replace bb to ---- by init stringa|1024_stddev 79.8 ns 85.8 ns 10
replace bb to ---- by init stringa|1024_cv 4.75 % 5.18 % 10
replace bb to ---- by init stringa|2048_mean 3111 ns 3090 ns 10
replace bb to ---- by init stringa|2048_median 3071 ns 3069 ns 10
replace bb to ---- by init stringa|2048_stddev 113 ns 93.3 ns 10
replace bb to ---- by init stringa|2048_cv 3.63 % 3.02 % 10
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 196 ns 195 ns 10
replace bb to -- in std::string|64_median 195 ns 195 ns 10
replace bb to -- in std::string|64_stddev 10.4 ns 10.3 ns 10
replace bb to -- in std::string|64_cv 5.28 % 5.28 % 10
replace bb to -- in std::string|256_mean 487 ns 484 ns 10
replace bb to -- in std::string|256_median 487 ns 476 ns 10
replace bb to -- in std::string|256_stddev 21.2 ns 22.1 ns 10
replace bb to -- in std::string|256_cv 4.35 % 4.56 % 10
replace bb to -- in std::string|512_mean 899 ns 891 ns 10
replace bb to -- in std::string|512_median 888 ns 889 ns 10
replace bb to -- in std::string|512_stddev 45.6 ns 43.2 ns 10
replace bb to -- in std::string|512_cv 5.07 % 4.85 % 10
replace bb to -- in std::string|1024_mean 1687 ns 1671 ns 10
replace bb to -- in std::string|1024_median 1675 ns 1639 ns 10
replace bb to -- in std::string|1024_stddev 54.7 ns 60.3 ns 10
replace bb to -- in std::string|1024_cv 3.24 % 3.61 % 10
replace bb to -- in std::string|2048_mean 3148 ns 3125 ns 10
replace bb to -- in std::string|2048_median 3169 ns 3104 ns 10
replace bb to -- in std::string|2048_stddev 80.9 ns 85.7 ns 10
replace bb to -- in std::string|2048_cv 2.57 % 2.74 % 10
replace bb to -- in lstringa<8>|64_mean 179 ns 175 ns 10
replace bb to -- in lstringa<8>|64_median 177 ns 173 ns 10
replace bb to -- in lstringa<8>|64_stddev 6.25 ns 5.73 ns 10
replace bb to -- in lstringa<8>|64_cv 3.50 % 3.27 % 10
replace bb to -- in lstringa<8>|256_mean 440 ns 436 ns 10
replace bb to -- in lstringa<8>|256_median 438 ns 430 ns 10
replace bb to -- in lstringa<8>|256_stddev 10.5 ns 8.24 ns 10
replace bb to -- in lstringa<8>|256_cv 2.38 % 1.89 % 10
replace bb to -- in lstringa<8>|512_mean 797 ns 774 ns 10
replace bb to -- in lstringa<8>|512_median 794 ns 767 ns 10
replace bb to -- in lstringa<8>|512_stddev 21.6 ns 20.5 ns 10
replace bb to -- in lstringa<8>|512_cv 2.72 % 2.64 % 10
replace bb to -- in lstringa<8>|1024_mean 1542 ns 1531 ns 10
replace bb to -- in lstringa<8>|1024_median 1580 ns 1569 ns 10
replace bb to -- in lstringa<8>|1024_stddev 99.5 ns 105 ns 10
replace bb to -- in lstringa<8>|1024_cv 6.46 % 6.83 % 10
replace bb to -- in lstringa<8>|2048_mean 2927 ns 2907 ns 10
replace bb to -- in lstringa<8>|2048_median 2841 ns 2825 ns 10
replace bb to -- in lstringa<8>|2048_stddev 231 ns 242 ns 10
replace bb to -- in lstringa<8>|2048_cv 7.90 % 8.34 % 10
replace bb to -- by init stringa|64_mean 156 ns 155 ns 10
replace bb to -- by init stringa|64_median 155 ns 153 ns 10
replace bb to -- by init stringa|64_stddev 3.02 ns 4.04 ns 10
replace bb to -- by init stringa|64_cv 1.94 % 2.62 % 10
replace bb to -- by init stringa|256_mean 349 ns 343 ns 10
replace bb to -- by init stringa|256_median 347 ns 341 ns 10
replace bb to -- by init stringa|256_stddev 10.00 ns 8.90 ns 10
replace bb to -- by init stringa|256_cv 2.86 % 2.59 % 10
replace bb to -- by init stringa|512_mean 583 ns 575 ns 10
replace bb to -- by init stringa|512_median 583 ns 572 ns 10
replace bb to -- by init stringa|512_stddev 19.5 ns 15.8 ns 10
replace bb to -- by init stringa|512_cv 3.35 % 2.76 % 10
replace bb to -- by init stringa|1024_mean 1099 ns 1082 ns 10
replace bb to -- by init stringa|1024_median 1087 ns 1057 ns 10
replace bb to -- by init stringa|1024_stddev 53.9 ns 60.9 ns 10
replace bb to -- by init stringa|1024_cv 4.91 % 5.62 % 10
replace bb to -- by init stringa|2048_mean 2073 ns 2040 ns 10
replace bb to -- by init stringa|2048_median 2063 ns 2018 ns 10
replace bb to -- by init stringa|2048_stddev 70.0 ns 95.6 ns 10
replace bb to -- by init stringa|2048_cv 3.38 % 4.68 % 10
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3795773 ns 3769531 ns 10
hashStrMapA<size_t> emplace & find stringa;_median 3826396 ns 3759766 ns 10
hashStrMapA<size_t> emplace & find stringa;_stddev 227197 ns 226465 ns 10
hashStrMapA<size_t> emplace & find stringa;_cv 5.99 % 6.01 % 10
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 5814563 ns 5747768 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_median 5763449 ns 5719866 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 192134 ns 128200 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 3.30 % 2.23 % 10
hashStrMapA<size_t> emplace & find ssa;_mean 3507480 ns 3461538 ns 10
hashStrMapA<size_t> emplace & find ssa;_median 3499011 ns 3485577 ns 10
hashStrMapA<size_t> emplace & find ssa;_stddev 78058 ns 82756 ns 10
hashStrMapA<size_t> emplace & find ssa;_cv 2.23 % 2.39 % 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 6774393 ns 6753472 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 6769412 ns 6770833 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 180301 ns 207851 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 2.66 % 3.08 % 10
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 1611 ns 1597 ns 10
Build func full name std::string;_median 1604 ns 1569 ns 10
Build func full name std::string;_stddev 90.8 ns 99.7 ns 10
Build func full name std::string;_cv 5.64 % 6.24 % 10
Build func full name std::string 1;_mean 1681 ns 1664 ns 10
Build func full name std::string 1;_median 1619 ns 1604 ns 10
Build func full name std::string 1;_stddev 131 ns 127 ns 10
Build func full name std::string 1;_cv 7.78 % 7.66 % 10
Build func full name std::stream;_mean 8266 ns 8144 ns 10
Build func full name std::stream;_median 8267 ns 8196 ns 10
Build func full name std::stream;_stddev 309 ns 261 ns 10
Build func full name std::stream;_cv 3.74 % 3.20 % 10
Build func full name stringa;_mean 821 ns 814 ns 10
Build func full name stringa;_median 814 ns 811 ns 10
Build func full name stringa;_stddev 32.6 ns 34.9 ns 10
Build func full name stringa;_cv 3.98 % 4.29 % 10
Build func full name stringa 1;_mean 963 ns 945 ns 10
Build func full name stringa 1;_median 963 ns 945 ns 10
Build func full name stringa 1;_stddev 34.6 ns 27.5 ns 10
Build func full name stringa 1;_cv 3.60 % 2.91 % 10

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Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler Clang 22.1.0
2026-03-22T14:13:24+03:00
Running benchStr.exe
Run on (32 X 2494 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 201 ns 198 ns 4
Concat email std::format_median 202 ns 197 ns 4
Concat email std::format_stddev 3.07 ns 4.34 ns 4
Concat email std::format_cv 1.52 % 2.19 % 4
Concat email std::stringstream_mean 830 ns 827 ns 4
Concat email std::stringstream_median 834 ns 827 ns 4
Concat email std::stringstream_stddev 18.5 ns 12.1 ns 4
Concat email std::stringstream_cv 2.23 % 1.46 % 4
Concat email stringzilla append_mean 273 ns 271 ns 4
Concat email stringzilla append_median 274 ns 273 ns 4
Concat email stringzilla append_stddev 3.38 ns 2.96 ns 4
Concat email stringzilla append_cv 1.24 % 1.09 % 4
Concat email stringzilla concat_mean 126 ns 127 ns 4
Concat email stringzilla concat_median 127 ns 127 ns 4
Concat email stringzilla concat_stddev 1.88 ns 1.61 ns 4
Concat email stringzilla concat_cv 1.48 % 1.27 % 4
Concat email std::string append_mean 187 ns 185 ns 4
Concat email std::string append_median 187 ns 184 ns 4
Concat email std::string append_stddev 2.11 ns 2.09 ns 4
Concat email std::string append_cv 1.13 % 1.13 % 4
Concat email std::string by strexpr_mean 104 ns 104 ns 4
Concat email std::string by strexpr_median 103 ns 104 ns 4
Concat email std::string by strexpr_stddev 1.83 ns 2.00 ns 4
Concat email std::string by strexpr_cv 1.76 % 1.92 % 4
Concat email stringa_mean 94.4 ns 94.2 ns 4
Concat email stringa_median 94.9 ns 94.2 ns 4
Concat email stringa_stddev 2.21 ns 1.71 ns 4
Concat email stringa_cv 2.34 % 1.81 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 268 ns 268 ns 4
Concat std::string and number by std to std::string_median 267 ns 267 ns 4
Concat std::string and number by std to std::string_stddev 7.57 ns 10.7 ns 4
Concat std::string and number by std to std::string_cv 2.83 % 3.99 % 4
Concat std::string and number by StrExpr to std::string_mean 160 ns 160 ns 4
Concat std::string and number by StrExpr to std::string_median 160 ns 160 ns 4
Concat std::string and number by StrExpr to std::string_stddev 4.44 ns 4.39 ns 4
Concat std::string and number by StrExpr to std::string_cv 2.78 % 2.75 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 68.7 ns 68.4 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 68.4 ns 68.4 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 1.17 ns 0.000 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 1.70 % 0.00 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 74.2 ns 74.3 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 74.1 ns 73.9 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 0.363 ns 0.698 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 0.49 % 0.94 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 725 ns 722 ns 4
Concat std::string and format hex number and literal to std::string_median 727 ns 725 ns 4
Concat std::string and format hex number and literal to std::string_stddev 8.98 ns 6.98 ns 4
Concat std::string and format hex number and literal to std::string_cv 1.24 % 0.97 % 4
std::format std::string and hex number by literal to std::string_mean 1525 ns 1508 ns 4
std::format std::string and hex number by literal to std::string_median 1525 ns 1517 ns 4
std::format std::string and hex number by literal to std::string_stddev 29.4 ns 33.4 ns 4
std::format std::string and hex number by literal to std::string_cv 1.93 % 2.21 % 4
Concat std::string and std::to_chars and string to std::string_mean 188 ns 186 ns 4
Concat std::string and std::to_chars and string to std::string_median 189 ns 186 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 3.60 ns 2.42 ns 4
Concat std::string and std::to_chars and string to std::string_cv 1.91 % 1.30 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 84.6 ns 84.1 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 85.1 ns 84.6 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 1.31 ns 1.67 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 1.55 % 1.98 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 71.4 ns 71.1 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 71.3 ns 70.6 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 1.52 ns 1.67 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 2.12 % 2.35 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 76.9 ns 76.3 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 77.0 ns 75.9 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 0.926 ns 1.67 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.20 % 2.19 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 149 ns 150 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 149 ns 149 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 2.26 ns 3.01 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 1.51 % 2.01 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 287 ns 287 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 286 ns 285 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 5.37 ns 8.34 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 1.87 % 2.91 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 639 ns 635 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 637 ns 635 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 5.27 ns 18.0 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 0.83 % 2.84 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 750 ns 746 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 749 ns 753 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 11.7 ns 14.0 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 1.56 % 1.87 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 1070 ns 1067 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 1070 ns 1057 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 27.0 ns 29.6 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 2.52 % 2.77 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 1433 ns 1437 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 1440 ns 1451 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 38.0 ns 27.9 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 2.65 % 1.94 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 1327 ns 1318 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 1310 ns 1297 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 39.9 ns 52.8 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 3.01 % 4.01 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 1568 ns 1569 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 1565 ns 1569 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 20.6 ns 28.5 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 1.32 % 1.81 % 4
std::vformat(pattern, std::make_format_args(i))_mean 1555 ns 1543 ns 4
std::vformat(pattern, std::make_format_args(i))_median 1546 ns 1552 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 40.0 ns 33.4 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 2.57 % 2.16 % 4
std::format with std::formatted_size_mean 2496 ns 2490 ns 4
std::format with std::formatted_size_median 2488 ns 2490 ns 4
std::format with std::formatted_size_stddev 31.6 ns 68.5 ns 4
std::format with std::formatted_size_cv 1.27 % 2.75 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 6707 ns 6731 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 6709 ns 6766 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 106 ns 134 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 1.58 % 1.98 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 42.2 ns 42.2 ns 4
Concat std::string by std to std::string_median 41.7 ns 42.2 ns 4
Concat std::string by std to std::string_stddev 1.16 ns 1.17 ns 4
Concat std::string by std to std::string_cv 2.76 % 2.78 % 4
Concat std::string by StrExpr to std::string_mean 39.3 ns 39.5 ns 4
Concat std::string by StrExpr to std::string_median 39.4 ns 39.2 ns 4
Concat std::string by StrExpr to std::string_stddev 0.441 ns 0.436 ns 4
Concat std::string by StrExpr to std::string_cv 1.12 % 1.10 % 4
Concat stringa by StrExpr to stringa_mean 30.6 ns 30.2 ns 4
Concat stringa by StrExpr to stringa_median 30.5 ns 30.0 ns 4
Concat stringa by StrExpr to stringa_stddev 0.672 ns 0.349 ns 4
Concat stringa by StrExpr to stringa_cv 2.20 % 1.16 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 206 ns 204 ns 4
Find concat three std::string_median 206 ns 204 ns 4
Find concat three std::string_stddev 2.29 ns 5.24 ns 4
Find concat three std::string_cv 1.11 % 2.57 % 4
Find concat three strexpr_mean 113 ns 112 ns 4
Find concat three strexpr_median 112 ns 113 ns 4
Find concat three strexpr_stddev 3.29 ns 2.67 ns 4
Find concat three strexpr_cv 2.92 % 2.38 % 4
Find concat three simstr_mean 21.2 ns 21.2 ns 4
Find concat three simstr_median 21.0 ns 21.1 ns 4
Find concat three simstr_stddev 0.696 ns 0.774 ns 4
Find concat three simstr_cv 3.29 % 3.65 % 4
Find concat three stringzilla string_mean 215 ns 215 ns 4
Find concat three stringzilla string_median 215 ns 215 ns 4
Find concat three stringzilla string_stddev 1.86 ns 3.99 ns 4
Find concat three stringzilla string_cv 0.86 % 1.86 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 8.34 ns 8.37 ns 4
BuildTypeNameStr 0/0_median 8.34 ns 8.37 ns 4
BuildTypeNameStr 0/0_stddev 0.055 ns 0.000 ns 4
BuildTypeNameStr 0/0_cv 0.66 % 0.00 % 4
BuildTypeNameExp 0/0_mean 7.67 ns 7.59 ns 4
BuildTypeNameExp 0/0_median 7.68 ns 7.59 ns 4
BuildTypeNameExp 0/0_stddev 0.232 ns 0.225 ns 4
BuildTypeNameExp 0/0_cv 3.03 % 2.97 % 4
BuildTypeNameSim 0/0_mean 7.90 ns 7.85 ns 4
BuildTypeNameSim 0/0_median 7.83 ns 7.76 ns 4
BuildTypeNameSim 0/0_stddev 0.149 ns 0.247 ns 4
BuildTypeNameSim 0/0_cv 1.89 % 3.14 % 4
BuildTypeNameStr 10/10_mean 79.5 ns 79.8 ns 4
BuildTypeNameStr 10/10_median 79.5 ns 79.3 ns 4
BuildTypeNameStr 10/10_stddev 2.19 ns 1.67 ns 4
BuildTypeNameStr 10/10_cv 2.75 % 2.09 % 4
BuildTypeNameExp 10/10_mean 33.1 ns 33.1 ns 4
BuildTypeNameExp 10/10_median 32.9 ns 33.0 ns 4
BuildTypeNameExp 10/10_stddev 0.775 ns 0.922 ns 4
BuildTypeNameExp 10/10_cv 2.34 % 2.78 % 4
BuildTypeNameSim 10/10_mean 25.2 ns 25.2 ns 4
BuildTypeNameSim 10/10_median 25.2 ns 25.2 ns 4
BuildTypeNameSim 10/10_stddev 0.364 ns 0.342 ns 4
BuildTypeNameSim 10/10_cv 1.45 % 1.36 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 315 ns 312 ns 4
Concat with replace str_median 314 ns 314 ns 4
Concat with replace str_stddev 5.64 ns 3.49 ns 4
Concat with replace str_cv 1.79 % 1.12 % 4
Concat with replace exp_mean 220 ns 220 ns 4
Concat with replace exp_median 219 ns 222 ns 4
Concat with replace exp_stddev 6.89 ns 6.91 ns 4
Concat with replace exp_cv 3.13 % 3.14 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 1.12 ns 1.12 ns 4
std::string e;_median 1.12 ns 1.12 ns 4
std::string e;_stddev 0.012 ns 0.012 ns 4
std::string e;_cv 1.11 % 1.09 % 4
std::string_view e;_mean 0.369 ns 0.369 ns 4
std::string_view e;_median 0.369 ns 0.369 ns 4
std::string_view e;_stddev 0.002 ns 0.000 ns 4
std::string_view e;_cv 0.66 % 0.00 % 4
ssa e;_mean 0.362 ns 0.359 ns 4
ssa e;_median 0.363 ns 0.361 ns 4
ssa e;_stddev 0.003 ns 0.004 ns 4
ssa e;_cv 0.91 % 1.12 % 4
stringa e;_mean 0.745 ns 0.746 ns 4
stringa e;_median 0.744 ns 0.746 ns 4
stringa e;_stddev 0.004 ns 0.008 ns 4
stringa e;_cv 0.54 % 1.08 % 4
lstringa<20> e;_mean 1.10 ns 1.09 ns 4
lstringa<20> e;_median 1.10 ns 1.09 ns 4
lstringa<20> e;_stddev 0.015 ns 0.023 ns 4
lstringa<20> e;_cv 1.36 % 2.14 % 4
lstringa<40> e;_mean 1.11 ns 1.10 ns 4
lstringa<40> e;_median 1.11 ns 1.10 ns 4
lstringa<40> e;_stddev 0.015 ns 0.016 ns 4
lstringa<40> e;_cv 1.33 % 1.46 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 1.84 ns 1.82 ns 4
std::string e = "Test text";_median 1.85 ns 1.82 ns 4
std::string e = "Test text";_stddev 0.023 ns 0.024 ns 4
std::string e = "Test text";_cv 1.27 % 1.33 % 4
std::string_view e = "Test text";_mean 0.741 ns 0.743 ns 4
std::string_view e = "Test text";_median 0.741 ns 0.746 ns 4
std::string_view e = "Test text";_stddev 0.009 ns 0.013 ns 4
std::string_view e = "Test text";_cv 1.25 % 1.80 % 4
ssa e = "Test text";_mean 0.369 ns 0.367 ns 4
ssa e = "Test text";_median 0.368 ns 0.369 ns 4
ssa e = "Test text";_stddev 0.008 ns 0.004 ns 4
ssa e = "Test text";_cv 2.15 % 1.09 % 4
stringa e = "Test text";_mean 1.11 ns 1.11 ns 4
stringa e = "Test text";_median 1.11 ns 1.11 ns 4
stringa e = "Test text";_stddev 0.011 ns 0.014 ns 4
stringa e = "Test text";_cv 1.02 % 1.27 % 4
lstringa<20> e = "Test text";_mean 1.84 ns 1.82 ns 4
lstringa<20> e = "Test text";_median 1.85 ns 1.80 ns 4
lstringa<20> e = "Test text";_stddev 0.028 ns 0.042 ns 4
lstringa<20> e = "Test text";_cv 1.55 % 2.30 % 4
lstringa<40> e = "Test text";_mean 1.85 ns 1.82 ns 4
lstringa<40> e = "Test text";_median 1.83 ns 1.79 ns 4
lstringa<40> e = "Test text";_stddev 0.063 ns 0.086 ns 4
lstringa<40> e = "Test text";_cv 3.39 % 4.70 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 73.9 ns 73.7 ns 4
std::string e = "123456789012345678901234567890";_median 74.4 ns 74.1 ns 4
std::string e = "123456789012345678901234567890";_stddev 0.956 ns 1.67 ns 4
std::string e = "123456789012345678901234567890";_cv 1.29 % 2.27 % 4
std::string_view e = "123456789012345678901234567890";_mean 0.736 ns 0.736 ns 4
std::string_view e = "123456789012345678901234567890";_median 0.735 ns 0.739 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.009 ns 0.007 ns 4
std::string_view e = "123456789012345678901234567890";_cv 1.22 % 0.95 % 4
ssa e = "123456789012345678901234567890";_mean 0.369 ns 0.369 ns 4
ssa e = "123456789012345678901234567890";_median 0.369 ns 0.369 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.004 ns 0.007 ns 4
ssa e = "123456789012345678901234567890";_cv 1.03 % 1.77 % 4
stringa e = "123456789012345678901234567890";_mean 1.11 ns 1.11 ns 4
stringa e = "123456789012345678901234567890";_median 1.11 ns 1.11 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.010 ns 0.014 ns 4
stringa e = "123456789012345678901234567890";_cv 0.93 % 1.27 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 73.1 ns 73.2 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 72.7 ns 73.2 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 1.20 ns 1.42 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 1.64 % 1.94 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 2.56 ns 2.55 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 2.56 ns 2.57 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.031 ns 0.028 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 1.22 % 1.09 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 1.84 ns 1.83 ns 4
std::string e = "Test text"; auto c{e};_median 1.84 ns 1.82 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.028 ns 0.040 ns 4
std::string e = "Test text"; auto c{e};_cv 1.53 % 2.19 % 4
std::string_view e = "Test text"; auto c{e};_mean 0.373 ns 0.371 ns 4
std::string_view e = "Test text"; auto c{e};_median 0.373 ns 0.373 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.001 ns 0.008 ns 4
std::string_view e = "Test text"; auto c{e};_cv 0.38 % 2.07 % 4
ssa e = "Test text"; auto c{e};_mean 0.380 ns 0.377 ns 4
ssa e = "Test text"; auto c{e};_median 0.380 ns 0.377 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.006 ns 0.007 ns 4
ssa e = "Test text"; auto c{e};_cv 1.71 % 1.74 % 4
stringa e = "Test text"; auto c{e};_mean 1.10 ns 1.10 ns 4
stringa e = "Test text"; auto c{e};_median 1.10 ns 1.10 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.011 ns 0.000 ns 4
stringa e = "Test text"; auto c{e};_cv 0.99 % 0.00 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 1.12 ns 1.10 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 1.12 ns 1.10 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.026 ns 0.031 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 2.34 % 2.78 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 1.11 ns 1.11 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 1.11 ns 1.11 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.017 ns 0.032 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 1.49 % 2.84 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 78.0 ns 77.6 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 78.1 ns 77.6 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 2.07 ns 2.25 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 2.66 % 2.90 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.734 ns 0.732 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.736 ns 0.732 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.005 ns 0.008 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 0.70 % 1.10 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.377 ns 0.368 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.373 ns 0.366 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.011 ns 0.004 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.90 % 1.18 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.12 ns 1.12 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 1.11 ns 1.12 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.012 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 0.82 % 1.09 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 72.6 ns 72.4 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 73.0 ns 72.4 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 2.07 ns 2.25 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 2.85 % 3.11 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 5.42 ns 5.43 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 5.44 ns 5.39 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.101 ns 0.150 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 1.87 % 2.76 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 94.8 ns 94.2 ns 4
sz::string::find;_median 94.3 ns 94.2 ns 4
sz::string::find;_stddev 1.19 ns 0.000 ns 4
sz::string::find;_cv 1.26 % 0.00 % 4
std::string::find;_mean 40.2 ns 40.1 ns 4
std::string::find;_median 40.0 ns 40.4 ns 4
std::string::find;_stddev 0.608 ns 0.868 ns 4
std::string::find;_cv 1.51 % 2.16 % 4
std::string_view::find;_mean 39.3 ns 39.2 ns 4
std::string_view::find;_median 39.2 ns 39.0 ns 4
std::string_view::find;_stddev 0.443 ns 0.453 ns 4
std::string_view::find;_cv 1.13 % 1.16 % 4
ssa::find;_mean 18.7 ns 18.7 ns 4
ssa::find;_median 18.5 ns 18.6 ns 4
ssa::find;_stddev 0.479 ns 0.401 ns 4
ssa::find;_cv 2.57 % 2.14 % 4
stringa::find;_mean 19.6 ns 19.5 ns 4
stringa::find;_median 19.8 ns 19.5 ns 4
stringa::find;_stddev 0.421 ns 0.524 ns 4
stringa::find;_cv 2.15 % 2.69 % 4
lstringa<20>::find;_mean 18.0 ns 17.9 ns 4
lstringa<20>::find;_median 18.1 ns 18.0 ns 4
lstringa<20>::find;_stddev 0.262 ns 0.209 ns 4
lstringa<20>::find;_cv 1.45 % 1.17 % 4
lstringa<40>::find;_mean 18.5 ns 18.5 ns 4
lstringa<40>::find;_median 18.4 ns 18.6 ns 4
lstringa<40>::find;_stddev 0.343 ns 0.227 ns 4
lstringa<40>::find;_cv 1.85 % 1.23 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 1.83 ns 1.82 ns 4
std::string copy{str_with_len_N};/15_median 1.83 ns 1.84 ns 4
std::string copy{str_with_len_N};/15_stddev 0.018 ns 0.043 ns 4
std::string copy{str_with_len_N};/15_cv 0.98 % 2.38 % 4
std::string copy{str_with_len_N};/16_mean 78.7 ns 78.9 ns 4
std::string copy{str_with_len_N};/16_median 78.9 ns 79.3 ns 4
std::string copy{str_with_len_N};/16_stddev 1.33 ns 1.67 ns 4
std::string copy{str_with_len_N};/16_cv 1.69 % 2.12 % 4
std::string copy{str_with_len_N};/23_mean 79.1 ns 78.5 ns 4
std::string copy{str_with_len_N};/23_median 79.0 ns 78.5 ns 4
std::string copy{str_with_len_N};/23_stddev 0.895 ns 1.42 ns 4
std::string copy{str_with_len_N};/23_cv 1.13 % 1.81 % 4
std::string copy{str_with_len_N};/24_mean 80.3 ns 79.8 ns 4
std::string copy{str_with_len_N};/24_median 80.4 ns 79.3 ns 4
std::string copy{str_with_len_N};/24_stddev 1.94 ns 1.67 ns 4
std::string copy{str_with_len_N};/24_cv 2.41 % 2.09 % 4
std::string copy{str_with_len_N};/32_mean 79.6 ns 79.3 ns 4
std::string copy{str_with_len_N};/32_median 78.3 ns 78.5 ns 4
std::string copy{str_with_len_N};/32_stddev 3.75 ns 3.02 ns 4
std::string copy{str_with_len_N};/32_cv 4.71 % 3.81 % 4
std::string copy{str_with_len_N};/64_mean 80.7 ns 81.1 ns 4
std::string copy{str_with_len_N};/64_median 80.9 ns 81.1 ns 4
std::string copy{str_with_len_N};/64_stddev 3.49 ns 3.02 ns 4
std::string copy{str_with_len_N};/64_cv 4.32 % 3.72 % 4
std::string copy{str_with_len_N};/128_mean 84.2 ns 84.1 ns 4
std::string copy{str_with_len_N};/128_median 84.6 ns 84.6 ns 4
std::string copy{str_with_len_N};/128_stddev 2.47 ns 1.67 ns 4
std::string copy{str_with_len_N};/128_cv 2.93 % 1.98 % 4
std::string copy{str_with_len_N};/256_mean 87.3 ns 86.8 ns 4
std::string copy{str_with_len_N};/256_median 87.7 ns 86.8 ns 4
std::string copy{str_with_len_N};/256_stddev 1.06 ns 1.21 ns 4
std::string copy{str_with_len_N};/256_cv 1.21 % 1.39 % 4
std::string copy{str_with_len_N};/512_mean 87.3 ns 87.6 ns 4
std::string copy{str_with_len_N};/512_median 86.7 ns 87.2 ns 4
std::string copy{str_with_len_N};/512_stddev 2.31 ns 2.19 ns 4
std::string copy{str_with_len_N};/512_cv 2.65 % 2.50 % 4
std::string copy{str_with_len_N};/1024_mean 97.6 ns 97.3 ns 4
std::string copy{str_with_len_N};/1024_median 97.9 ns 97.3 ns 4
std::string copy{str_with_len_N};/1024_stddev 3.35 ns 2.70 ns 4
std::string copy{str_with_len_N};/1024_cv 3.43 % 2.78 % 4
std::string copy{str_with_len_N};/2048_mean 132 ns 133 ns 4
std::string copy{str_with_len_N};/2048_median 132 ns 133 ns 4
std::string copy{str_with_len_N};/2048_stddev 1.34 ns 1.61 ns 4
std::string copy{str_with_len_N};/2048_cv 1.01 % 1.22 % 4
std::string copy{str_with_len_N};/4096_mean 180 ns 179 ns 4
std::string copy{str_with_len_N};/4096_median 180 ns 180 ns 4
std::string copy{str_with_len_N};/4096_stddev 1.41 ns 1.92 ns 4
std::string copy{str_with_len_N};/4096_cv 0.78 % 1.07 % 4
stringa copy{str_with_len_N};/15_mean 1.09 ns 1.09 ns 4
stringa copy{str_with_len_N};/15_median 1.09 ns 1.09 ns 4
stringa copy{str_with_len_N};/15_stddev 0.024 ns 0.032 ns 4
stringa copy{str_with_len_N};/15_cv 2.20 % 2.90 % 4
stringa copy{str_with_len_N};/16_mean 1.08 ns 1.09 ns 4
stringa copy{str_with_len_N};/16_median 1.08 ns 1.09 ns 4
stringa copy{str_with_len_N};/16_stddev 0.016 ns 0.014 ns 4
stringa copy{str_with_len_N};/16_cv 1.48 % 1.30 % 4
stringa copy{str_with_len_N};/23_mean 1.09 ns 1.09 ns 4
stringa copy{str_with_len_N};/23_median 1.09 ns 1.10 ns 4
stringa copy{str_with_len_N};/23_stddev 0.005 ns 0.012 ns 4
stringa copy{str_with_len_N};/23_cv 0.49 % 1.12 % 4
stringa copy{str_with_len_N};/24_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/24_median 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/24_stddev 0.102 ns 0.000 ns 4
stringa copy{str_with_len_N};/24_cv 0.63 % 0.00 % 4
stringa copy{str_with_len_N};/32_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/32_median 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/32_stddev 0.076 ns 0.000 ns 4
stringa copy{str_with_len_N};/32_cv 0.47 % 0.00 % 4
stringa copy{str_with_len_N};/64_mean 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/64_median 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/64_stddev 0.056 ns 0.000 ns 4
stringa copy{str_with_len_N};/64_cv 0.35 % 0.00 % 4
stringa copy{str_with_len_N};/128_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/128_median 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/128_stddev 0.079 ns 0.000 ns 4
stringa copy{str_with_len_N};/128_cv 0.49 % 0.00 % 4
stringa copy{str_with_len_N};/256_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/256_median 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/256_stddev 0.125 ns 0.174 ns 4
stringa copy{str_with_len_N};/256_cv 0.78 % 1.09 % 4
stringa copy{str_with_len_N};/512_mean 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/512_median 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/512_stddev 0.073 ns 0.174 ns 4
stringa copy{str_with_len_N};/512_cv 0.46 % 1.09 % 4
stringa copy{str_with_len_N};/1024_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/1024_median 16.1 ns 15.9 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.121 ns 0.367 ns 4
stringa copy{str_with_len_N};/1024_cv 0.75 % 2.29 % 4
stringa copy{str_with_len_N};/2048_mean 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/2048_median 16.0 ns 16.0 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.042 ns 0.174 ns 4
stringa copy{str_with_len_N};/2048_cv 0.27 % 1.09 % 4
stringa copy{str_with_len_N};/4096_mean 16.1 ns 16.0 ns 4
stringa copy{str_with_len_N};/4096_median 16.1 ns 16.1 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.112 ns 0.192 ns 4
stringa copy{str_with_len_N};/4096_cv 0.70 % 1.20 % 4
lstringa<16> copy{str_with_len_N};/15_mean 1.12 ns 1.10 ns 4
lstringa<16> copy{str_with_len_N};/15_median 1.11 ns 1.10 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.011 ns 0.031 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 1.01 % 2.78 % 4
lstringa<16> copy{str_with_len_N};/16_mean 4.56 ns 4.54 ns 4
lstringa<16> copy{str_with_len_N};/16_median 4.54 ns 4.49 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.102 ns 0.098 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 2.25 % 2.15 % 4
lstringa<16> copy{str_with_len_N};/23_mean 4.49 ns 4.50 ns 4
lstringa<16> copy{str_with_len_N};/23_median 4.48 ns 4.50 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.027 ns 0.058 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 0.61 % 1.30 % 4
lstringa<16> copy{str_with_len_N};/24_mean 76.6 ns 76.3 ns 4
lstringa<16> copy{str_with_len_N};/24_median 76.7 ns 75.9 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 2.12 ns 1.67 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 2.77 % 2.19 % 4
lstringa<16> copy{str_with_len_N};/32_mean 77.3 ns 77.2 ns 4
lstringa<16> copy{str_with_len_N};/32_median 77.0 ns 76.7 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 3.05 ns 2.62 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 3.95 % 3.39 % 4
lstringa<16> copy{str_with_len_N};/64_mean 79.3 ns 79.2 ns 4
lstringa<16> copy{str_with_len_N};/64_median 79.5 ns 79.5 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 4.31 ns 3.67 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 5.44 % 4.63 % 4
lstringa<16> copy{str_with_len_N};/128_mean 82.6 ns 82.8 ns 4
lstringa<16> copy{str_with_len_N};/128_median 82.3 ns 82.0 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 1.87 ns 1.74 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 2.26 % 2.11 % 4
lstringa<16> copy{str_with_len_N};/256_mean 83.7 ns 83.7 ns 4
lstringa<16> copy{str_with_len_N};/256_median 83.7 ns 83.7 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 1.07 ns 0.000 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 1.28 % 0.00 % 4
lstringa<16> copy{str_with_len_N};/512_mean 88.5 ns 88.4 ns 4
lstringa<16> copy{str_with_len_N};/512_median 87.5 ns 86.8 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 3.22 ns 3.96 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 3.63 % 4.48 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 93.9 ns 94.2 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 94.1 ns 94.2 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 3.71 ns 3.82 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 3.95 % 4.06 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 125 ns 126 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 126 ns 126 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 4.07 ns 3.22 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 3.25 % 2.57 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 190 ns 189 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 188 ns 188 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 5.83 ns 4.34 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 3.08 % 2.29 % 4
lstringa<512> copy{str_with_len_N};/15_mean 1.14 ns 1.14 ns 4
lstringa<512> copy{str_with_len_N};/15_median 1.12 ns 1.13 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.043 ns 0.039 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 3.72 % 3.45 % 4
lstringa<512> copy{str_with_len_N};/16_mean 6.12 ns 6.09 ns 4
lstringa<512> copy{str_with_len_N};/16_median 6.32 ns 6.25 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.549 ns 0.556 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 8.97 % 9.13 % 4
lstringa<512> copy{str_with_len_N};/23_mean 5.29 ns 5.27 ns 4
lstringa<512> copy{str_with_len_N};/23_median 5.29 ns 5.30 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.012 ns 0.070 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 0.22 % 1.32 % 4
lstringa<512> copy{str_with_len_N};/24_mean 5.27 ns 5.27 ns 4
lstringa<512> copy{str_with_len_N};/24_median 5.23 ns 5.23 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.121 ns 0.150 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 2.30 % 2.84 % 4
lstringa<512> copy{str_with_len_N};/32_mean 8.14 ns 8.15 ns 4
lstringa<512> copy{str_with_len_N};/32_median 8.13 ns 8.20 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.077 ns 0.087 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 0.94 % 1.07 % 4
lstringa<512> copy{str_with_len_N};/64_mean 8.48 ns 8.41 ns 4
lstringa<512> copy{str_with_len_N};/64_median 8.44 ns 8.37 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.164 ns 0.219 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 1.93 % 2.61 % 4
lstringa<512> copy{str_with_len_N};/128_mean 8.58 ns 8.59 ns 4
lstringa<512> copy{str_with_len_N};/128_median 8.58 ns 8.63 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.127 ns 0.167 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 1.48 % 1.94 % 4
lstringa<512> copy{str_with_len_N};/256_mean 9.69 ns 9.68 ns 4
lstringa<512> copy{str_with_len_N};/256_median 9.67 ns 9.63 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.143 ns 0.105 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 1.48 % 1.08 % 4
lstringa<512> copy{str_with_len_N};/512_mean 11.4 ns 11.3 ns 4
lstringa<512> copy{str_with_len_N};/512_median 11.3 ns 11.2 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.178 ns 0.307 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 1.57 % 2.72 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 98.3 ns 97.0 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 99.6 ns 98.9 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 3.01 ns 4.62 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 3.06 % 4.76 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 130 ns 130 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 130 ns 130 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 3.75 ns 3.60 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 2.88 % 2.78 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 188 ns 187 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 188 ns 188 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 3.59 ns 4.83 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 1.91 % 2.58 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 31.4 ns 31.3 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 31.5 ns 31.5 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.520 ns 0.634 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.65 % 2.03 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 12.6 ns 12.6 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 12.6 ns 12.6 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.135 ns 0.228 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 1.07 % 1.81 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 13.7 ns 13.6 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 13.7 ns 13.7 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.166 ns 0.301 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.21 % 2.21 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 9.40 ns 9.42 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 9.34 ns 9.31 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.179 ns 0.296 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.91 % 3.14 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 13.4 ns 13.3 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 13.4 ns 13.3 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.251 ns 0.405 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.88 % 3.04 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 33.6 ns 33.2 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 33.5 ns 33.0 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.374 ns 0.965 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.11 % 2.91 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 8.50 ns 8.46 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 8.49 ns 8.46 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.106 ns 0.101 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.24 % 1.19 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 13.7 ns 13.5 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 13.7 ns 13.5 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.213 ns 0.000 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.56 % 0.00 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 7.50 ns 7.46 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 7.53 ns 7.41 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.081 ns 0.167 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.08 % 2.24 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.6 ns 12.6 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.4 ns 12.6 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.460 ns 0.351 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.64 % 2.78 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 43.6 ns 43.5 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 43.8 ns 43.5 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.865 ns 0.826 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.98 % 1.90 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 17.3 ns 17.1 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 17.1 ns 17.1 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.318 ns 0.222 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 1.84 % 1.30 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 12.9 ns 12.9 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 12.9 ns 13.0 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.107 ns 0.267 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 0.82 % 2.07 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 100 ns 99.9 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 100 ns 100 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 1.37 ns 1.05 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 1.37 % 1.05 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 58.7 ns 58.6 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 58.7 ns 58.6 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.055 ns 0.000 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 0.09 % 0.00 % 4
ssa s = "1234.567e10"; double res = *s.to_double()_mean 36.7 ns 36.6 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 36.7 ns 36.8 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.255 ns 0.419 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 0.69 % 1.14 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 5118 ns 5082 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 5015 ns 5028 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 256 ns 234 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 5.00 % 4.60 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 1073 ns 1074 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 1074 ns 1074 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 30.6 ns 28.2 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 2.85 % 2.62 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 767 ns 754 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 768 ns 759 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 10.1 ns 16.7 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.32 % 2.21 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 390 ns 390 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 386 ns 384 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 10.5 ns 13.1 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 2.70 % 3.35 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 239 ns 238 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 240 ns 238 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 1.20 ns 3.02 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 0.50 % 1.27 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 158 ns 159 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 158 ns 159 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 0.918 ns 2.01 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 0.58 % 1.27 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 4657 ns 4627 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4626 ns 4602 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 87.2 ns 96.8 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 1.87 % 2.09 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3774 ns 3767 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3760 ns 3767 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 66.6 ns 68.3 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.76 % 1.81 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 716 ns 718 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 721 ns 718 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 18.4 ns 18.0 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.57 % 2.51 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 442 ns 443 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 442 ns 443 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 4.25 ns 7.69 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.96 % 1.74 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 303 ns 300 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 304 ns 302 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 4.86 ns 6.34 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.61 % 2.12 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 188 ns 186 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 189 ns 186 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 4.25 ns 5.40 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.26 % 2.90 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 221584 ns 220947 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 221856 ns 222168 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 3088 ns 4675 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.39 % 2.12 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 183793 ns 181029 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 182410 ns 182075 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4717 ns 4007 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.57 % 2.21 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19687 ns 19671 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 19753 ns 19671 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 462 ns 483 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.35 % 2.46 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16880 ns 16915 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16897 ns 17090 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 194 ns 349 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.15 % 2.06 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17061 ns 17073 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17073 ns 17073 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 272 ns 222 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.60 % 1.30 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16444 ns 16401 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16332 ns 16305 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 295 ns 367 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.80 % 2.24 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 4403 ns 4402 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 4390 ns 4426 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 43.3 ns 47.1 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 0.98 % 1.07 % 4
std::string str; ... str += str_var1 + str_var2;_mean 3893 ns 3870 ns 4
std::string str; ... str += str_var1 + str_var2;_median 3890 ns 3891 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 44.1 ns 76.8 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 1.13 % 1.98 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 794 ns 789 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 793 ns 793 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 19.0 ns 16.7 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 2.40 % 2.12 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 527 ns 527 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 528 ns 523 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 7.44 ns 15.0 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 1.41 % 2.84 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 381 ns 379 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 378 ns 377 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 8.74 ns 12.6 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 2.30 % 3.31 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 297 ns 292 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 299 ns 292 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 7.42 ns 0.000 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 2.50 % 0.00 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 10833 ns 10742 ns 4
std::stringstream str; str << "test = " << k << " times";_median 10807 ns 10742 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 90.0 ns 199 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 0.83 % 1.86 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 1053 ns 1052 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 1055 ns 1057 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 7.82 ns 20.0 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 0.74 % 1.91 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2810 ns 2794 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2794 ns 2794 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 67.1 ns 36.2 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 2.39 % 1.30 % 4
std::string str = std::format("test = {} times", k);_mean 1904 ns 1893 ns 4
std::string str = std::format("test = {} times", k);_median 1911 ns 1882 ns 4
std::string str = std::format("test = {} times", k);_stddev 32.1 ns 43.4 ns 4
std::string str = std::format("test = {} times", k);_cv 1.68 % 2.29 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 2003 ns 1995 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 1998 ns 1995 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 50.7 ns 52.4 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 2.53 % 2.62 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 962 ns 952 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 962 ns 952 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 12.7 ns 19.9 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 1.32 % 2.09 % 4
lstringa<8> str = "test = " + k + " times";_mean 807 ns 809 ns 4
lstringa<8> str = "test = " + k + " times";_median 806 ns 809 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 8.18 ns 11.4 ns 4
lstringa<8> str = "test = " + k + " times";_cv 1.01 % 1.41 % 4
lstringa<32> str = "test = " + k + " times";_mean 134 ns 133 ns 4
lstringa<32> str = "test = " + k + " times";_median 134 ns 133 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 1.83 ns 2.67 ns 4
lstringa<32> str = "test = " + k + " times";_cv 1.37 % 2.01 % 4
stringa str = "test = " + k + " times";_mean 126 ns 124 ns 4
stringa str = "test = " + k + " times";_median 126 ns 124 ns 4
stringa str = "test = " + k + " times";_stddev 0.706 ns 1.61 ns 4
stringa str = "test = " + k + " times";_cv 0.56 % 1.30 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 558 ns 559 ns 4
std::string::find + substr + std::strtol_median 559 ns 562 ns 4
std::string::find + substr + std::strtol_stddev 10.3 ns 7.81 ns 4
std::string::find + substr + std::strtol_cv 1.85 % 1.40 % 4
ssa::splitter + ssa::as_int_mean 176 ns 176 ns 4
ssa::splitter + ssa::as_int_median 176 ns 176 ns 4
ssa::splitter + ssa::as_int_stddev 4.18 ns 5.75 ns 4
ssa::splitter + ssa::as_int_cv 2.37 % 3.28 % 4
ssa::splitf + functor_mean 192 ns 192 ns 4
ssa::splitf + functor_median 190 ns 190 ns 4
ssa::splitf + functor_stddev 4.66 ns 5.71 ns 4
ssa::splitf + functor_cv 2.43 % 2.98 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 1124 ns 1117 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 1116 ns 1099 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 24.4 ns 36.6 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 2.17 % 3.28 % 4
replace symbols with std::string find_first_of + replace_mean 1940 ns 1938 ns 4
replace symbols with std::string find_first_of + replace_median 1929 ns 1927 ns 4
replace symbols with std::string find_first_of + replace_stddev 28.9 ns 43.4 ns 4
replace symbols with std::string find_first_of + replace_cv 1.49 % 2.24 % 4
replace symbols with std::string_view find_first_of + copy_mean 2359 ns 2356 ns 4
replace symbols with std::string_view find_first_of + copy_median 2360 ns 2344 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 29.6 ns 24.4 ns 4
replace symbols with std::string_view find_first_of + copy_cv 1.25 % 1.04 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 1654 ns 1650 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 1660 ns 1669 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 40.9 ns 54.3 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 2.47 % 3.29 % 4
replace runtime symbols with simstr and memorization of all search results_mean 1483 ns 1483 ns 4
replace runtime symbols with simstr and memorization of all search results_median 1482 ns 1491 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 14.5 ns 30.1 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 0.98 % 2.03 % 4
replace const symbols with string expressions and without remembering all search results_mean 1122 ns 1117 ns 4
replace const symbols with string expressions and without remembering all search results_median 1119 ns 1123 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 16.8 ns 12.2 ns 4
replace const symbols with string expressions and without remembering all search results_cv 1.50 % 1.09 % 4
replace const symbols with string expressions and memorization of all search results_mean 1170 ns 1165 ns 4
replace const symbols with string expressions and memorization of all search results_median 1174 ns 1158 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 18.2 ns 26.7 ns 4
replace const symbols with string expressions and memorization of all search results_cv 1.56 % 2.29 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 308 ns 305 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 305 ns 303 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 6.23 ns 11.9 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.02 % 3.90 % 4
Short replace symbols with std::string find_first_of + replace_mean 364 ns 363 ns 4
Short replace symbols with std::string find_first_of + replace_median 366 ns 364 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 9.78 ns 7.35 ns 4
Short replace symbols with std::string find_first_of + replace_cv 2.68 % 2.03 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 305 ns 305 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 306 ns 305 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 6.50 ns 7.65 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 2.13 % 2.51 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 269 ns 264 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 268 ns 264 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 4.83 ns 5.13 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 1.80 % 1.94 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 366 ns 365 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 367 ns 365 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 2.14 ns 4.63 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 0.58 % 1.27 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 202 ns 202 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 202 ns 202 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 2.65 ns 5.85 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 1.31 % 2.90 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 293 ns 292 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 293 ns 292 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 7.11 ns 5.41 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 2.43 % 1.86 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 223 ns 221 ns 4
replace bb to ---- in std::string|64_median 223 ns 222 ns 4
replace bb to ---- in std::string|64_stddev 4.11 ns 4.67 ns 4
replace bb to ---- in std::string|64_cv 1.84 % 2.12 % 4
replace bb to ---- in std::string|256_mean 727 ns 729 ns 4
replace bb to ---- in std::string|256_median 720 ns 718 ns 4
replace bb to ---- in std::string|256_stddev 20.3 ns 26.4 ns 4
replace bb to ---- in std::string|256_cv 2.79 % 3.62 % 4
replace bb to ---- in std::string|512_mean 1418 ns 1413 ns 4
replace bb to ---- in std::string|512_median 1416 ns 1413 ns 4
replace bb to ---- in std::string|512_stddev 37.9 ns 45.0 ns 4
replace bb to ---- in std::string|512_cv 2.67 % 3.19 % 4
replace bb to ---- in std::string|1024_mean 3058 ns 3058 ns 4
replace bb to ---- in std::string|1024_median 3054 ns 3076 ns 4
replace bb to ---- in std::string|1024_stddev 45.8 ns 36.6 ns 4
replace bb to ---- in std::string|1024_cv 1.50 % 1.20 % 4
replace bb to ---- in std::string|2048_mean 8038 ns 7847 ns 4
replace bb to ---- in std::string|2048_median 8026 ns 7847 ns 4
replace bb to ---- in std::string|2048_stddev 49.4 ns 318 ns 4
replace bb to ---- in std::string|2048_cv 0.61 % 4.06 % 4
replace bb to ---- in lstringa<8>|64_mean 216 ns 216 ns 4
replace bb to ---- in lstringa<8>|64_median 215 ns 215 ns 4
replace bb to ---- in lstringa<8>|64_stddev 2.62 ns 2.44 ns 4
replace bb to ---- in lstringa<8>|64_cv 1.22 % 1.13 % 4
replace bb to ---- in lstringa<8>|256_mean 606 ns 607 ns 4
replace bb to ---- in lstringa<8>|256_median 602 ns 600 ns 4
replace bb to ---- in lstringa<8>|256_stddev 13.8 ns 14.0 ns 4
replace bb to ---- in lstringa<8>|256_cv 2.27 % 2.30 % 4
replace bb to ---- in lstringa<8>|512_mean 1002 ns 1004 ns 4
replace bb to ---- in lstringa<8>|512_median 996 ns 994 ns 4
replace bb to ---- in lstringa<8>|512_stddev 22.0 ns 29.6 ns 4
replace bb to ---- in lstringa<8>|512_cv 2.20 % 2.95 % 4
replace bb to ---- in lstringa<8>|1024_mean 1848 ns 1842 ns 4
replace bb to ---- in lstringa<8>|1024_median 1847 ns 1842 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 26.3 ns 31.3 ns 4
replace bb to ---- in lstringa<8>|1024_cv 1.42 % 1.70 % 4
replace bb to ---- in lstringa<8>|2048_mean 3556 ns 3530 ns 4
replace bb to ---- in lstringa<8>|2048_median 3581 ns 3568 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 76.1 ns 109 ns 4
replace bb to ---- in lstringa<8>|2048_cv 2.14 % 3.07 % 4
replace bb to ---- by init stringa|64_mean 165 ns 165 ns 4
replace bb to ---- by init stringa|64_median 165 ns 165 ns 4
replace bb to ---- by init stringa|64_stddev 3.13 ns 3.13 ns 4
replace bb to ---- by init stringa|64_cv 1.90 % 1.90 % 4
replace bb to ---- by init stringa|256_mean 366 ns 367 ns 4
replace bb to ---- by init stringa|256_median 363 ns 369 ns 4
replace bb to ---- by init stringa|256_stddev 7.03 ns 4.01 ns 4
replace bb to ---- by init stringa|256_cv 1.92 % 1.09 % 4
replace bb to ---- by init stringa|512_mean 793 ns 793 ns 4
replace bb to ---- by init stringa|512_median 799 ns 802 ns 4
replace bb to ---- by init stringa|512_stddev 15.0 ns 17.4 ns 4
replace bb to ---- by init stringa|512_cv 1.89 % 2.20 % 4
replace bb to ---- by init stringa|1024_mean 1626 ns 1621 ns 4
replace bb to ---- by init stringa|1024_median 1632 ns 1611 ns 4
replace bb to ---- by init stringa|1024_stddev 14.6 ns 19.2 ns 4
replace bb to ---- by init stringa|1024_cv 0.90 % 1.18 % 4
replace bb to ---- by init stringa|2048_mean 3047 ns 3032 ns 4
replace bb to ---- by init stringa|2048_median 3055 ns 3048 ns 4
replace bb to ---- by init stringa|2048_stddev 22.3 ns 33.1 ns 4
replace bb to ---- by init stringa|2048_cv 0.73 % 1.09 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 187 ns 186 ns 4
replace bb to -- in std::string|64_median 188 ns 186 ns 4
replace bb to -- in std::string|64_stddev 2.48 ns 4.95 ns 4
replace bb to -- in std::string|64_cv 1.33 % 2.66 % 4
replace bb to -- in std::string|256_mean 469 ns 470 ns 4
replace bb to -- in std::string|256_median 471 ns 476 ns 4
replace bb to -- in std::string|256_stddev 8.19 ns 10.8 ns 4
replace bb to -- in std::string|256_cv 1.74 % 2.30 % 4
replace bb to -- in std::string|512_mean 837 ns 837 ns 4
replace bb to -- in std::string|512_median 835 ns 837 ns 4
replace bb to -- in std::string|512_stddev 14.4 ns 24.2 ns 4
replace bb to -- in std::string|512_cv 1.73 % 2.89 % 4
replace bb to -- in std::string|1024_mean 1612 ns 1596 ns 4
replace bb to -- in std::string|1024_median 1608 ns 1604 ns 4
replace bb to -- in std::string|1024_stddev 24.9 ns 17.4 ns 4
replace bb to -- in std::string|1024_cv 1.55 % 1.09 % 4
replace bb to -- in std::string|2048_mean 3131 ns 3122 ns 4
replace bb to -- in std::string|2048_median 3146 ns 3104 ns 4
replace bb to -- in std::string|2048_stddev 47.3 ns 66.8 ns 4
replace bb to -- in std::string|2048_cv 1.51 % 2.14 % 4
replace bb to -- in lstringa<8>|64_mean 175 ns 176 ns 4
replace bb to -- in lstringa<8>|64_median 176 ns 176 ns 4
replace bb to -- in lstringa<8>|64_stddev 2.70 ns 4.83 ns 4
replace bb to -- in lstringa<8>|64_cv 1.54 % 2.75 % 4
replace bb to -- in lstringa<8>|256_mean 427 ns 426 ns 4
replace bb to -- in lstringa<8>|256_median 425 ns 424 ns 4
replace bb to -- in lstringa<8>|256_stddev 8.29 ns 11.8 ns 4
replace bb to -- in lstringa<8>|256_cv 1.94 % 2.78 % 4
replace bb to -- in lstringa<8>|512_mean 723 ns 724 ns 4
replace bb to -- in lstringa<8>|512_median 723 ns 724 ns 4
replace bb to -- in lstringa<8>|512_stddev 1.22 ns 10.1 ns 4
replace bb to -- in lstringa<8>|512_cv 0.17 % 1.39 % 4
replace bb to -- in lstringa<8>|1024_mean 1373 ns 1365 ns 4
replace bb to -- in lstringa<8>|1024_median 1373 ns 1365 ns 4
replace bb to -- in lstringa<8>|1024_stddev 36.7 ns 18.1 ns 4
replace bb to -- in lstringa<8>|1024_cv 2.68 % 1.33 % 4
replace bb to -- in lstringa<8>|2048_mean 2685 ns 2683 ns 4
replace bb to -- in lstringa<8>|2048_median 2675 ns 2668 ns 4
replace bb to -- in lstringa<8>|2048_stddev 29.6 ns 29.6 ns 4
replace bb to -- in lstringa<8>|2048_cv 1.10 % 1.10 % 4
replace bb to -- by init stringa|64_mean 153 ns 152 ns 4
replace bb to -- by init stringa|64_median 153 ns 152 ns 4
replace bb to -- by init stringa|64_stddev 2.02 ns 2.01 ns 4
replace bb to -- by init stringa|64_cv 1.32 % 1.33 % 4
replace bb to -- by init stringa|256_mean 322 ns 322 ns 4
replace bb to -- by init stringa|256_median 319 ns 319 ns 4
replace bb to -- by init stringa|256_stddev 9.25 ns 10.4 ns 4
replace bb to -- by init stringa|256_cv 2.87 % 3.21 % 4
replace bb to -- by init stringa|512_mean 520 ns 516 ns 4
replace bb to -- by init stringa|512_median 514 ns 509 ns 4
replace bb to -- by init stringa|512_stddev 18.8 ns 19.7 ns 4
replace bb to -- by init stringa|512_cv 3.61 % 3.82 % 4
replace bb to -- by init stringa|1024_mean 954 ns 952 ns 4
replace bb to -- by init stringa|1024_median 951 ns 952 ns 4
replace bb to -- by init stringa|1024_stddev 20.0 ns 27.0 ns 4
replace bb to -- by init stringa|1024_cv 2.10 % 2.84 % 4
replace bb to -- by init stringa|2048_mean 1806 ns 1800 ns 4
replace bb to -- by init stringa|2048_median 1801 ns 1800 ns 4
replace bb to -- by init stringa|2048_stddev 32.2 ns 48.3 ns 4
replace bb to -- by init stringa|2048_cv 1.78 % 2.69 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 4069702 ns 4080831 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 4065785 ns 4102654 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 27677 ns 43645 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 0.68 % 1.07 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 5913523 ns 5824498 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 5907914 ns 5859375 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 277139 ns 309341 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 4.69 % 5.31 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 3619495 ns 3545673 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 3562421 ns 3565705 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 164099 ns 76717 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 4.53 % 2.16 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 6497268 ns 6522042 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 6500552 ns 6556920 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 44944 ns 69754 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 0.69 % 1.07 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 1507 ns 1507 ns 4
Build func full name std::string;_median 1518 ns 1507 ns 4
Build func full name std::string;_stddev 28.8 ns 25.6 ns 4
Build func full name std::string;_cv 1.91 % 1.70 % 4
Build func full name std::string 1;_mean 1515 ns 1507 ns 4
Build func full name std::string 1;_median 1512 ns 1507 ns 4
Build func full name std::string 1;_stddev 14.5 ns 25.6 ns 4
Build func full name std::string 1;_cv 0.96 % 1.70 % 4
Build func full name std::stream;_mean 8296 ns 8327 ns 4
Build func full name std::stream;_median 8331 ns 8371 ns 4
Build func full name std::stream;_stddev 233 ns 262 ns 4
Build func full name std::stream;_cv 2.80 % 3.14 % 4
Build func full name stringa;_mean 749 ns 750 ns 4
Build func full name stringa;_median 748 ns 750 ns 4
Build func full name stringa;_stddev 12.4 ns 14.2 ns 4
Build func full name stringa;_cv 1.65 % 1.90 % 4
Build func full name stringa 1;_mean 878 ns 853 ns 4
Build func full name stringa 1;_median 865 ns 858 ns 4
Build func full name stringa 1;_stddev 30.2 ns 10.5 ns 4
Build func full name stringa 1;_cv 3.44 % 1.23 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 1457 ns 1460 ns 4
To upper case std::wstring_median 1455 ns 1460 ns 4
To upper case std::wstring_stddev 16.8 ns 18.1 ns 4
To upper case std::wstring_cv 1.16 % 1.24 % 4
To upper case lstringw<15>_mean 41.0 ns 41.0 ns 4
To upper case lstringw<15>_median 41.0 ns 41.0 ns 4
To upper case lstringw<15>_stddev 0.393 ns 0.544 ns 4
To upper case lstringw<15>_cv 0.96 % 1.33 % 4

View File

@ -1,888 +0,0 @@
2026-01-29T18:44:28+03:00
Running benchStr.exe
Run on (32 X 2494 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 386 ns 385 ns 10
Concat std::string and number by std to std::string_median 380 ns 381 ns 10
Concat std::string and number by std to std::string_stddev 31.2 ns 30.5 ns 10
Concat std::string and number by std to std::string_cv 8.09 % 7.92 % 10
Concat std::string and number by StrExpr to std::string_mean 266 ns 266 ns 10
Concat std::string and number by StrExpr to std::string_median 266 ns 267 ns 10
Concat std::string and number by StrExpr to std::string_stddev 25.2 ns 25.4 ns 10
Concat std::string and number by StrExpr to std::string_cv 9.47 % 9.56 % 10
Concat stringa and number by StrExpr to simstr::stringa_mean 128 ns 128 ns 10
Concat stringa and number by StrExpr to simstr::stringa_median 130 ns 129 ns 10
Concat stringa and number by StrExpr to simstr::stringa_stddev 9.52 ns 8.86 ns 10
Concat stringa and number by StrExpr to simstr::stringa_cv 7.41 % 6.90 % 10
Concat stringa and number by e_concat to simstr::stringa_mean 145 ns 146 ns 10
Concat stringa and number by e_concat to simstr::stringa_median 143 ns 144 ns 10
Concat stringa and number by e_concat to simstr::stringa_stddev 14.7 ns 15.4 ns 10
Concat stringa and number by e_concat to simstr::stringa_cv 10.12 % 10.61 % 10
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and hex number by std to std::string_mean 2092 ns 2090 ns 10
Concat std::string and hex number by std to std::string_median 2076 ns 2086 ns 10
Concat std::string and hex number by std to std::string_stddev 106 ns 96.7 ns 10
Concat std::string and hex number by std to std::string_cv 5.06 % 4.62 % 10
Concat std::string and hex number by StrExpr to std::string_mean 182 ns 182 ns 10
Concat std::string and hex number by StrExpr to std::string_median 181 ns 181 ns 10
Concat std::string and hex number by StrExpr to std::string_stddev 8.84 ns 8.67 ns 10
Concat std::string and hex number by StrExpr to std::string_cv 4.85 % 4.76 % 10
Concat stringa and hex number by StrExpr to simstr::stringa_mean 124 ns 124 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_median 122 ns 122 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_stddev 12.4 ns 12.7 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_cv 9.94 % 10.21 % 10
Concat stringa and hex number by e_concat to simstr::stringa_mean 180 ns 180 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_median 178 ns 180 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_stddev 13.0 ns 12.9 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_cv 7.24 % 7.15 % 10
Concat stringa and hex number by e_subst to simstr::stringa_mean 266 ns 265 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_median 273 ns 271 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_stddev 19.2 ns 18.3 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_cv 7.23 % 6.90 % 10
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 72.5 ns 72.4 ns 10
Concat std::string by std to std::string_median 73.3 ns 72.4 ns 10
Concat std::string by std to std::string_stddev 2.55 ns 2.76 ns 10
Concat std::string by std to std::string_cv 3.51 % 3.81 % 10
Concat std::string by StrExpr to std::string_mean 91.4 ns 91.6 ns 10
Concat std::string by StrExpr to std::string_median 89.4 ns 89.8 ns 10
Concat std::string by StrExpr to std::string_stddev 6.59 ns 6.64 ns 10
Concat std::string by StrExpr to std::string_cv 7.21 % 7.25 % 10
Concat stringa by StrExpr to stringa_mean 60.1 ns 60.2 ns 10
Concat stringa by StrExpr to stringa_median 60.3 ns 60.9 ns 10
Concat stringa by StrExpr to stringa_stddev 2.14 ns 2.24 ns 10
Concat stringa by StrExpr to stringa_cv 3.56 % 3.72 % 10
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 265 ns 265 ns 10
Find concat three std::string_median 267 ns 265 ns 10
Find concat three std::string_stddev 13.5 ns 14.7 ns 10
Find concat three std::string_cv 5.09 % 5.56 % 10
Find concat three strexpr_mean 150 ns 150 ns 10
Find concat three strexpr_median 149 ns 150 ns 10
Find concat three strexpr_stddev 8.98 ns 8.92 ns 10
Find concat three strexpr_cv 5.99 % 5.96 % 10
Find concat three simstr_mean 32.4 ns 32.5 ns 10
Find concat three simstr_median 32.4 ns 32.3 ns 10
Find concat three simstr_stddev 2.04 ns 2.01 ns 10
Find concat three simstr_cv 6.30 % 6.19 % 10
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 20.9 ns 20.9 ns 10
BuildTypeNameStr 0/0_median 20.4 ns 20.4 ns 10
BuildTypeNameStr 0/0_stddev 1.51 ns 1.53 ns 10
BuildTypeNameStr 0/0_cv 7.21 % 7.33 % 10
BuildTypeNameExp 0/0_mean 14.8 ns 14.8 ns 10
BuildTypeNameExp 0/0_median 14.8 ns 14.6 ns 10
BuildTypeNameExp 0/0_stddev 0.422 ns 0.524 ns 10
BuildTypeNameExp 0/0_cv 2.85 % 3.55 % 10
BuildTypeNameSim 0/0_mean 18.3 ns 18.2 ns 10
BuildTypeNameSim 0/0_median 18.2 ns 18.2 ns 10
BuildTypeNameSim 0/0_stddev 0.558 ns 0.491 ns 10
BuildTypeNameSim 0/0_cv 3.05 % 2.69 % 10
BuildTypeNameStr 10/10_mean 100 ns 100 ns 10
BuildTypeNameStr 10/10_median 100 ns 101 ns 10
BuildTypeNameStr 10/10_stddev 8.86 ns 8.72 ns 10
BuildTypeNameStr 10/10_cv 8.84 % 8.70 % 10
BuildTypeNameExp 10/10_mean 48.0 ns 48.0 ns 10
BuildTypeNameExp 10/10_median 48.4 ns 48.4 ns 10
BuildTypeNameExp 10/10_stddev 4.53 ns 4.54 ns 10
BuildTypeNameExp 10/10_cv 9.43 % 9.47 % 10
BuildTypeNameSim 10/10_mean 44.6 ns 44.7 ns 10
BuildTypeNameSim 10/10_median 44.2 ns 43.0 ns 10
BuildTypeNameSim 10/10_stddev 3.27 ns 3.55 ns 10
BuildTypeNameSim 10/10_cv 7.33 % 7.94 % 10
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 430 ns 430 ns 10
Concat with replace str_median 431 ns 432 ns 10
Concat with replace str_stddev 25.5 ns 27.0 ns 10
Concat with replace str_cv 5.93 % 6.27 % 10
Concat with replace exp_mean 278 ns 279 ns 10
Concat with replace exp_median 280 ns 280 ns 10
Concat with replace exp_stddev 25.3 ns 25.3 ns 10
Concat with replace exp_cv 9.11 % 9.06 % 10
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 2.85 ns 2.83 ns 10
std::string e;_median 2.83 ns 2.83 ns 10
std::string e;_stddev 0.105 ns 0.131 ns 10
std::string e;_cv 3.67 % 4.61 % 10
std::string_view e;_mean 2.02 ns 2.02 ns 10
std::string_view e;_median 2.00 ns 2.00 ns 10
std::string_view e;_stddev 0.129 ns 0.113 ns 10
std::string_view e;_cv 6.37 % 5.60 % 10
ssa e;_mean 2.05 ns 2.05 ns 10
ssa e;_median 2.06 ns 2.05 ns 10
ssa e;_stddev 0.070 ns 0.076 ns 10
ssa e;_cv 3.42 % 3.73 % 10
stringa e;_mean 2.42 ns 2.42 ns 10
stringa e;_median 2.42 ns 2.43 ns 10
stringa e;_stddev 0.062 ns 0.073 ns 10
stringa e;_cv 2.58 % 3.03 % 10
lstringa<20> e;_mean 2.91 ns 2.91 ns 10
lstringa<20> e;_median 2.88 ns 2.91 ns 10
lstringa<20> e;_stddev 0.104 ns 0.112 ns 10
lstringa<20> e;_cv 3.56 % 3.85 % 10
lstringa<40> e;_mean 3.01 ns 3.01 ns 10
lstringa<40> e;_median 3.02 ns 3.01 ns 10
lstringa<40> e;_stddev 0.104 ns 0.122 ns 10
lstringa<40> e;_cv 3.46 % 4.05 % 10
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 2.90 ns 2.90 ns 10
std::string e = "Test text";_median 2.90 ns 2.92 ns 10
std::string e = "Test text";_stddev 0.112 ns 0.099 ns 10
std::string e = "Test text";_cv 3.85 % 3.42 % 10
std::string_view e = "Test text";_mean 2.05 ns 2.04 ns 10
std::string_view e = "Test text";_median 2.03 ns 2.03 ns 10
std::string_view e = "Test text";_stddev 0.074 ns 0.081 ns 10
std::string_view e = "Test text";_cv 3.63 % 3.96 % 10
ssa e = "Test text";_mean 2.03 ns 2.02 ns 10
ssa e = "Test text";_median 2.01 ns 1.99 ns 10
ssa e = "Test text";_stddev 0.072 ns 0.078 ns 10
ssa e = "Test text";_cv 3.53 % 3.84 % 10
stringa e = "Test text";_mean 2.87 ns 2.86 ns 10
stringa e = "Test text";_median 2.88 ns 2.88 ns 10
stringa e = "Test text";_stddev 0.078 ns 0.084 ns 10
stringa e = "Test text";_cv 2.72 % 2.94 % 10
lstringa<20> e = "Test text";_mean 2.96 ns 2.96 ns 10
lstringa<20> e = "Test text";_median 2.94 ns 2.93 ns 10
lstringa<20> e = "Test text";_stddev 0.168 ns 0.181 ns 10
lstringa<20> e = "Test text";_cv 5.65 % 6.11 % 10
lstringa<40> e = "Test text";_mean 2.95 ns 2.94 ns 10
lstringa<40> e = "Test text";_median 2.93 ns 2.92 ns 10
lstringa<40> e = "Test text";_stddev 0.204 ns 0.207 ns 10
lstringa<40> e = "Test text";_cv 6.94 % 7.04 % 10
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 96.3 ns 96.1 ns 10
std::string e = "123456789012345678901234567890";_median 93.8 ns 93.5 ns 10
std::string e = "123456789012345678901234567890";_stddev 8.86 ns 8.81 ns 10
std::string e = "123456789012345678901234567890";_cv 9.20 % 9.17 % 10
std::string_view e = "123456789012345678901234567890";_mean 2.06 ns 2.05 ns 10
std::string_view e = "123456789012345678901234567890";_median 2.03 ns 2.04 ns 10
std::string_view e = "123456789012345678901234567890";_stddev 0.114 ns 0.125 ns 10
std::string_view e = "123456789012345678901234567890";_cv 5.54 % 6.07 % 10
ssa e = "123456789012345678901234567890";_mean 2.06 ns 2.06 ns 10
ssa e = "123456789012345678901234567890";_median 2.05 ns 2.05 ns 10
ssa e = "123456789012345678901234567890";_stddev 0.075 ns 0.073 ns 10
ssa e = "123456789012345678901234567890";_cv 3.66 % 3.56 % 10
stringa e = "123456789012345678901234567890";_mean 3.00 ns 3.00 ns 10
stringa e = "123456789012345678901234567890";_median 3.02 ns 2.98 ns 10
stringa e = "123456789012345678901234567890";_stddev 0.047 ns 0.052 ns 10
stringa e = "123456789012345678901234567890";_cv 1.56 % 1.75 % 10
lstringa<20> e = "123456789012345678901234567890";_mean 97.1 ns 96.7 ns 10
lstringa<20> e = "123456789012345678901234567890";_median 96.9 ns 96.3 ns 10
lstringa<20> e = "123456789012345678901234567890";_stddev 6.52 ns 6.30 ns 10
lstringa<20> e = "123456789012345678901234567890";_cv 6.72 % 6.52 % 10
lstringa<40> e = "123456789012345678901234567890";_mean 3.65 ns 3.64 ns 10
lstringa<40> e = "123456789012345678901234567890";_median 3.66 ns 3.66 ns 10
lstringa<40> e = "123456789012345678901234567890";_stddev 0.116 ns 0.153 ns 10
lstringa<40> e = "123456789012345678901234567890";_cv 3.18 % 4.19 % 10
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 5.61 ns 5.59 ns 10
std::string e = "Test text"; auto c{e};_median 5.71 ns 5.70 ns 10
std::string e = "Test text"; auto c{e};_stddev 0.279 ns 0.293 ns 10
std::string e = "Test text"; auto c{e};_cv 4.97 % 5.23 % 10
std::string_view e = "Test text"; auto c{e};_mean 3.95 ns 3.94 ns 10
std::string_view e = "Test text"; auto c{e};_median 3.92 ns 3.90 ns 10
std::string_view e = "Test text"; auto c{e};_stddev 0.071 ns 0.098 ns 10
std::string_view e = "Test text"; auto c{e};_cv 1.81 % 2.48 % 10
ssa e = "Test text"; auto c{e};_mean 3.92 ns 3.91 ns 10
ssa e = "Test text"; auto c{e};_median 3.93 ns 3.92 ns 10
ssa e = "Test text"; auto c{e};_stddev 0.043 ns 0.064 ns 10
ssa e = "Test text"; auto c{e};_cv 1.11 % 1.64 % 10
stringa e = "Test text"; auto c{e};_mean 4.44 ns 4.44 ns 10
stringa e = "Test text"; auto c{e};_median 4.41 ns 4.44 ns 10
stringa e = "Test text"; auto c{e};_stddev 0.161 ns 0.188 ns 10
stringa e = "Test text"; auto c{e};_cv 3.63 % 4.23 % 10
lstringa<20> e = "Test text"; auto c{e};_mean 9.72 ns 9.73 ns 10
lstringa<20> e = "Test text"; auto c{e};_median 9.62 ns 9.63 ns 10
lstringa<20> e = "Test text"; auto c{e};_stddev 0.404 ns 0.410 ns 10
lstringa<20> e = "Test text"; auto c{e};_cv 4.16 % 4.21 % 10
lstringa<40> e = "Test text"; auto c{e};_mean 9.61 ns 9.61 ns 10
lstringa<40> e = "Test text"; auto c{e};_median 9.74 ns 9.63 ns 10
lstringa<40> e = "Test text"; auto c{e};_stddev 0.690 ns 0.741 ns 10
lstringa<40> e = "Test text"; auto c{e};_cv 7.18 % 7.72 % 10
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 94.6 ns 94.5 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_median 90.2 ns 90.7 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 7.24 ns 7.16 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_cv 7.66 % 7.57 % 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.94 ns 1.93 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.94 ns 1.93 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.081 ns 0.080 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 4.19 % 4.15 % 10
ssa e = "123456789012345678901234567890"; auto c{e};_mean 1.97 ns 1.97 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_median 1.97 ns 1.97 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.067 ns 0.081 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_cv 3.40 % 4.09 % 10
stringa e = "123456789012345678901234567890"; auto c{e};_mean 3.36 ns 3.35 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_median 3.36 ns 3.38 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.141 ns 0.145 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_cv 4.18 % 4.32 % 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 97.1 ns 97.1 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 97.1 ns 97.3 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 6.80 ns 6.78 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 7.00 % 6.98 % 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 8.16 ns 8.12 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 8.10 ns 8.09 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.820 ns 0.752 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 10.05 % 9.26 % 10
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find;_mean 46.3 ns 46.3 ns 10
std::string::find;_median 46.1 ns 46.0 ns 10
std::string::find;_stddev 1.91 ns 1.84 ns 10
std::string::find;_cv 4.13 % 3.97 % 10
std::string_view::find;_mean 45.0 ns 45.0 ns 10
std::string_view::find;_median 44.7 ns 44.5 ns 10
std::string_view::find;_stddev 1.35 ns 1.19 ns 10
std::string_view::find;_cv 3.00 % 2.65 % 10
ssa::find;_mean 25.5 ns 25.4 ns 10
ssa::find;_median 25.6 ns 25.7 ns 10
ssa::find;_stddev 1.48 ns 1.47 ns 10
ssa::find;_cv 5.81 % 5.77 % 10
stringa::find;_mean 34.4 ns 34.4 ns 10
stringa::find;_median 34.1 ns 34.1 ns 10
stringa::find;_stddev 1.03 ns 1.12 ns 10
stringa::find;_cv 3.01 % 3.25 % 10
lstringa<20>::find;_mean 34.1 ns 34.1 ns 10
lstringa<20>::find;_median 34.2 ns 34.1 ns 10
lstringa<20>::find;_stddev 1.26 ns 1.32 ns 10
lstringa<20>::find;_cv 3.69 % 3.86 % 10
lstringa<40>::find;_mean 24.0 ns 24.0 ns 10
lstringa<40>::find;_median 24.5 ns 24.5 ns 10
lstringa<40>::find;_stddev 1.30 ns 1.25 ns 10
lstringa<40>::find;_cv 5.44 % 5.21 % 10
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 4.91 ns 4.91 ns 10
std::string copy{str_with_len_N};/15_median 4.85 ns 4.84 ns 10
std::string copy{str_with_len_N};/15_stddev 0.278 ns 0.257 ns 10
std::string copy{str_with_len_N};/15_cv 5.65 % 5.24 % 10
std::string copy{str_with_len_N};/16_mean 107 ns 107 ns 10
std::string copy{str_with_len_N};/16_median 103 ns 104 ns 10
std::string copy{str_with_len_N};/16_stddev 11.9 ns 12.3 ns 10
std::string copy{str_with_len_N};/16_cv 11.10 % 11.53 % 10
std::string copy{str_with_len_N};/23_mean 100 ns 100 ns 10
std::string copy{str_with_len_N};/23_median 101 ns 100 ns 10
std::string copy{str_with_len_N};/23_stddev 7.26 ns 7.03 ns 10
std::string copy{str_with_len_N};/23_cv 7.25 % 7.03 % 10
std::string copy{str_with_len_N};/24_mean 104 ns 104 ns 10
std::string copy{str_with_len_N};/24_median 103 ns 103 ns 10
std::string copy{str_with_len_N};/24_stddev 9.08 ns 9.36 ns 10
std::string copy{str_with_len_N};/24_cv 8.74 % 9.00 % 10
std::string copy{str_with_len_N};/32_mean 108 ns 108 ns 10
std::string copy{str_with_len_N};/32_median 106 ns 106 ns 10
std::string copy{str_with_len_N};/32_stddev 8.69 ns 8.17 ns 10
std::string copy{str_with_len_N};/32_cv 8.02 % 7.54 % 10
std::string copy{str_with_len_N};/64_mean 113 ns 113 ns 10
std::string copy{str_with_len_N};/64_median 113 ns 113 ns 10
std::string copy{str_with_len_N};/64_stddev 6.57 ns 6.98 ns 10
std::string copy{str_with_len_N};/64_cv 5.81 % 6.17 % 10
std::string copy{str_with_len_N};/128_mean 104 ns 104 ns 10
std::string copy{str_with_len_N};/128_median 104 ns 104 ns 10
std::string copy{str_with_len_N};/128_stddev 5.20 ns 4.85 ns 10
std::string copy{str_with_len_N};/128_cv 5.00 % 4.68 % 10
std::string copy{str_with_len_N};/256_mean 110 ns 110 ns 10
std::string copy{str_with_len_N};/256_median 111 ns 111 ns 10
std::string copy{str_with_len_N};/256_stddev 9.71 ns 9.46 ns 10
std::string copy{str_with_len_N};/256_cv 8.81 % 8.58 % 10
std::string copy{str_with_len_N};/512_mean 110 ns 110 ns 10
std::string copy{str_with_len_N};/512_median 111 ns 111 ns 10
std::string copy{str_with_len_N};/512_stddev 10.2 ns 9.75 ns 10
std::string copy{str_with_len_N};/512_cv 9.29 % 8.90 % 10
std::string copy{str_with_len_N};/1024_mean 125 ns 125 ns 10
std::string copy{str_with_len_N};/1024_median 127 ns 128 ns 10
std::string copy{str_with_len_N};/1024_stddev 12.7 ns 12.4 ns 10
std::string copy{str_with_len_N};/1024_cv 10.13 % 9.90 % 10
std::string copy{str_with_len_N};/2048_mean 150 ns 150 ns 10
std::string copy{str_with_len_N};/2048_median 148 ns 148 ns 10
std::string copy{str_with_len_N};/2048_stddev 5.76 ns 6.25 ns 10
std::string copy{str_with_len_N};/2048_cv 3.83 % 4.16 % 10
std::string copy{str_with_len_N};/4096_mean 206 ns 206 ns 10
std::string copy{str_with_len_N};/4096_median 207 ns 206 ns 10
std::string copy{str_with_len_N};/4096_stddev 9.15 ns 9.11 ns 10
std::string copy{str_with_len_N};/4096_cv 4.44 % 4.41 % 10
stringa copy{str_with_len_N};/15_mean 4.44 ns 4.44 ns 10
stringa copy{str_with_len_N};/15_median 4.44 ns 4.50 ns 10
stringa copy{str_with_len_N};/15_stddev 0.187 ns 0.165 ns 10
stringa copy{str_with_len_N};/15_cv 4.21 % 3.72 % 10
stringa copy{str_with_len_N};/16_mean 4.43 ns 4.42 ns 10
stringa copy{str_with_len_N};/16_median 4.39 ns 4.39 ns 10
stringa copy{str_with_len_N};/16_stddev 0.235 ns 0.247 ns 10
stringa copy{str_with_len_N};/16_cv 5.32 % 5.57 % 10
stringa copy{str_with_len_N};/23_mean 4.45 ns 4.45 ns 10
stringa copy{str_with_len_N};/23_median 4.51 ns 4.50 ns 10
stringa copy{str_with_len_N};/23_stddev 0.189 ns 0.186 ns 10
stringa copy{str_with_len_N};/23_cv 4.24 % 4.19 % 10
stringa copy{str_with_len_N};/24_mean 19.1 ns 19.0 ns 10
stringa copy{str_with_len_N};/24_median 19.0 ns 19.0 ns 10
stringa copy{str_with_len_N};/24_stddev 0.289 ns 0.302 ns 10
stringa copy{str_with_len_N};/24_cv 1.51 % 1.59 % 10
stringa copy{str_with_len_N};/32_mean 19.0 ns 19.0 ns 10
stringa copy{str_with_len_N};/32_median 19.0 ns 19.0 ns 10
stringa copy{str_with_len_N};/32_stddev 0.184 ns 0.335 ns 10
stringa copy{str_with_len_N};/32_cv 0.96 % 1.76 % 10
stringa copy{str_with_len_N};/64_mean 19.0 ns 19.0 ns 10
stringa copy{str_with_len_N};/64_median 19.0 ns 18.8 ns 10
stringa copy{str_with_len_N};/64_stddev 0.232 ns 0.202 ns 10
stringa copy{str_with_len_N};/64_cv 1.22 % 1.07 % 10
stringa copy{str_with_len_N};/128_mean 18.9 ns 18.9 ns 10
stringa copy{str_with_len_N};/128_median 18.9 ns 18.8 ns 10
stringa copy{str_with_len_N};/128_stddev 0.261 ns 0.309 ns 10
stringa copy{str_with_len_N};/128_cv 1.38 % 1.64 % 10
stringa copy{str_with_len_N};/256_mean 19.2 ns 19.2 ns 10
stringa copy{str_with_len_N};/256_median 19.1 ns 18.8 ns 10
stringa copy{str_with_len_N};/256_stddev 0.543 ns 0.607 ns 10
stringa copy{str_with_len_N};/256_cv 2.82 % 3.16 % 10
stringa copy{str_with_len_N};/512_mean 18.9 ns 18.9 ns 10
stringa copy{str_with_len_N};/512_median 19.0 ns 18.8 ns 10
stringa copy{str_with_len_N};/512_stddev 0.263 ns 0.309 ns 10
stringa copy{str_with_len_N};/512_cv 1.39 % 1.64 % 10
stringa copy{str_with_len_N};/1024_mean 19.1 ns 19.0 ns 10
stringa copy{str_with_len_N};/1024_median 19.0 ns 18.8 ns 10
stringa copy{str_with_len_N};/1024_stddev 0.218 ns 0.216 ns 10
stringa copy{str_with_len_N};/1024_cv 1.15 % 1.14 % 10
stringa copy{str_with_len_N};/2048_mean 18.9 ns 18.9 ns 10
stringa copy{str_with_len_N};/2048_median 18.9 ns 19.0 ns 10
stringa copy{str_with_len_N};/2048_stddev 0.252 ns 0.306 ns 10
stringa copy{str_with_len_N};/2048_cv 1.33 % 1.62 % 10
stringa copy{str_with_len_N};/4096_mean 19.1 ns 19.0 ns 10
stringa copy{str_with_len_N};/4096_median 19.1 ns 19.3 ns 10
stringa copy{str_with_len_N};/4096_stddev 0.188 ns 0.296 ns 10
stringa copy{str_with_len_N};/4096_cv 0.98 % 1.55 % 10
lstringa<16> copy{str_with_len_N};/15_mean 8.49 ns 8.50 ns 10
lstringa<16> copy{str_with_len_N};/15_median 8.75 ns 8.65 ns 10
lstringa<16> copy{str_with_len_N};/15_stddev 0.621 ns 0.636 ns 10
lstringa<16> copy{str_with_len_N};/15_cv 7.31 % 7.48 % 10
lstringa<16> copy{str_with_len_N};/16_mean 8.68 ns 8.66 ns 10
lstringa<16> copy{str_with_len_N};/16_median 8.65 ns 8.68 ns 10
lstringa<16> copy{str_with_len_N};/16_stddev 0.527 ns 0.585 ns 10
lstringa<16> copy{str_with_len_N};/16_cv 6.07 % 6.76 % 10
lstringa<16> copy{str_with_len_N};/23_mean 9.22 ns 9.20 ns 10
lstringa<16> copy{str_with_len_N};/23_median 9.11 ns 9.16 ns 10
lstringa<16> copy{str_with_len_N};/23_stddev 0.524 ns 0.553 ns 10
lstringa<16> copy{str_with_len_N};/23_cv 5.68 % 6.00 % 10
lstringa<16> copy{str_with_len_N};/24_mean 95.6 ns 95.7 ns 10
lstringa<16> copy{str_with_len_N};/24_median 96.9 ns 96.4 ns 10
lstringa<16> copy{str_with_len_N};/24_stddev 7.28 ns 7.79 ns 10
lstringa<16> copy{str_with_len_N};/24_cv 7.61 % 8.14 % 10
lstringa<16> copy{str_with_len_N};/32_mean 103 ns 102 ns 10
lstringa<16> copy{str_with_len_N};/32_median 103 ns 103 ns 10
lstringa<16> copy{str_with_len_N};/32_stddev 10.4 ns 10.6 ns 10
lstringa<16> copy{str_with_len_N};/32_cv 10.18 % 10.40 % 10
lstringa<16> copy{str_with_len_N};/64_mean 104 ns 104 ns 10
lstringa<16> copy{str_with_len_N};/64_median 105 ns 105 ns 10
lstringa<16> copy{str_with_len_N};/64_stddev 7.78 ns 7.24 ns 10
lstringa<16> copy{str_with_len_N};/64_cv 7.45 % 6.94 % 10
lstringa<16> copy{str_with_len_N};/128_mean 109 ns 109 ns 10
lstringa<16> copy{str_with_len_N};/128_median 110 ns 110 ns 10
lstringa<16> copy{str_with_len_N};/128_stddev 5.44 ns 5.96 ns 10
lstringa<16> copy{str_with_len_N};/128_cv 4.99 % 5.48 % 10
lstringa<16> copy{str_with_len_N};/256_mean 706 ns 706 ns 10
lstringa<16> copy{str_with_len_N};/256_median 703 ns 705 ns 10
lstringa<16> copy{str_with_len_N};/256_stddev 18.9 ns 18.8 ns 10
lstringa<16> copy{str_with_len_N};/256_cv 2.67 % 2.67 % 10
lstringa<16> copy{str_with_len_N};/512_mean 108 ns 108 ns 10
lstringa<16> copy{str_with_len_N};/512_median 110 ns 109 ns 10
lstringa<16> copy{str_with_len_N};/512_stddev 11.0 ns 10.7 ns 10
lstringa<16> copy{str_with_len_N};/512_cv 10.16 % 9.91 % 10
lstringa<16> copy{str_with_len_N};/1024_mean 122 ns 122 ns 10
lstringa<16> copy{str_with_len_N};/1024_median 121 ns 120 ns 10
lstringa<16> copy{str_with_len_N};/1024_stddev 7.40 ns 7.48 ns 10
lstringa<16> copy{str_with_len_N};/1024_cv 6.07 % 6.15 % 10
lstringa<16> copy{str_with_len_N};/2048_mean 149 ns 149 ns 10
lstringa<16> copy{str_with_len_N};/2048_median 152 ns 152 ns 10
lstringa<16> copy{str_with_len_N};/2048_stddev 11.6 ns 12.2 ns 10
lstringa<16> copy{str_with_len_N};/2048_cv 7.76 % 8.19 % 10
lstringa<16> copy{str_with_len_N};/4096_mean 211 ns 210 ns 10
lstringa<16> copy{str_with_len_N};/4096_median 211 ns 213 ns 10
lstringa<16> copy{str_with_len_N};/4096_stddev 8.49 ns 8.95 ns 10
lstringa<16> copy{str_with_len_N};/4096_cv 4.03 % 4.25 % 10
lstringa<512> copy{str_with_len_N};/15_mean 9.83 ns 9.84 ns 10
lstringa<512> copy{str_with_len_N};/15_median 9.77 ns 9.73 ns 10
lstringa<512> copy{str_with_len_N};/15_stddev 0.527 ns 0.558 ns 10
lstringa<512> copy{str_with_len_N};/15_cv 5.36 % 5.67 % 10
lstringa<512> copy{str_with_len_N};/16_mean 10.2 ns 10.2 ns 10
lstringa<512> copy{str_with_len_N};/16_median 10.2 ns 10.1 ns 10
lstringa<512> copy{str_with_len_N};/16_stddev 0.632 ns 0.643 ns 10
lstringa<512> copy{str_with_len_N};/16_cv 6.17 % 6.28 % 10
lstringa<512> copy{str_with_len_N};/23_mean 9.69 ns 9.69 ns 10
lstringa<512> copy{str_with_len_N};/23_median 9.76 ns 9.63 ns 10
lstringa<512> copy{str_with_len_N};/23_stddev 0.150 ns 0.141 ns 10
lstringa<512> copy{str_with_len_N};/23_cv 1.55 % 1.46 % 10
lstringa<512> copy{str_with_len_N};/24_mean 10.2 ns 10.2 ns 10
lstringa<512> copy{str_with_len_N};/24_median 10.2 ns 10.3 ns 10
lstringa<512> copy{str_with_len_N};/24_stddev 0.558 ns 0.610 ns 10
lstringa<512> copy{str_with_len_N};/24_cv 5.49 % 5.99 % 10
lstringa<512> copy{str_with_len_N};/32_mean 14.1 ns 14.2 ns 10
lstringa<512> copy{str_with_len_N};/32_median 14.0 ns 14.0 ns 10
lstringa<512> copy{str_with_len_N};/32_stddev 0.971 ns 0.964 ns 10
lstringa<512> copy{str_with_len_N};/32_cv 6.86 % 6.81 % 10
lstringa<512> copy{str_with_len_N};/64_mean 13.7 ns 13.7 ns 10
lstringa<512> copy{str_with_len_N};/64_median 13.4 ns 13.5 ns 10
lstringa<512> copy{str_with_len_N};/64_stddev 0.932 ns 0.949 ns 10
lstringa<512> copy{str_with_len_N};/64_cv 6.81 % 6.94 % 10
lstringa<512> copy{str_with_len_N};/128_mean 14.1 ns 14.1 ns 10
lstringa<512> copy{str_with_len_N};/128_median 14.1 ns 14.0 ns 10
lstringa<512> copy{str_with_len_N};/128_stddev 0.542 ns 0.529 ns 10
lstringa<512> copy{str_with_len_N};/128_cv 3.85 % 3.76 % 10
lstringa<512> copy{str_with_len_N};/256_mean 15.2 ns 15.2 ns 10
lstringa<512> copy{str_with_len_N};/256_median 15.2 ns 15.3 ns 10
lstringa<512> copy{str_with_len_N};/256_stddev 1.06 ns 1.12 ns 10
lstringa<512> copy{str_with_len_N};/256_cv 6.93 % 7.32 % 10
lstringa<512> copy{str_with_len_N};/512_mean 16.7 ns 16.7 ns 10
lstringa<512> copy{str_with_len_N};/512_median 16.6 ns 16.5 ns 10
lstringa<512> copy{str_with_len_N};/512_stddev 0.918 ns 0.871 ns 10
lstringa<512> copy{str_with_len_N};/512_cv 5.50 % 5.23 % 10
lstringa<512> copy{str_with_len_N};/1024_mean 112 ns 112 ns 10
lstringa<512> copy{str_with_len_N};/1024_median 112 ns 112 ns 10
lstringa<512> copy{str_with_len_N};/1024_stddev 8.71 ns 9.16 ns 10
lstringa<512> copy{str_with_len_N};/1024_cv 7.75 % 8.18 % 10
lstringa<512> copy{str_with_len_N};/2048_mean 153 ns 152 ns 10
lstringa<512> copy{str_with_len_N};/2048_median 154 ns 153 ns 10
lstringa<512> copy{str_with_len_N};/2048_stddev 13.7 ns 14.4 ns 10
lstringa<512> copy{str_with_len_N};/2048_cv 8.96 % 9.44 % 10
lstringa<512> copy{str_with_len_N};/4096_mean 208 ns 208 ns 10
lstringa<512> copy{str_with_len_N};/4096_median 206 ns 206 ns 10
lstringa<512> copy{str_with_len_N};/4096_stddev 10.9 ns 11.6 ns 10
lstringa<512> copy{str_with_len_N};/4096_cv 5.24 % 5.57 % 10
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 38.8 ns 38.8 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 39.3 ns 39.3 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 2.58 ns 2.65 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 6.65 % 6.83 % 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 16.2 ns 16.2 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 16.5 ns 16.6 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.919 ns 0.915 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 5.68 % 5.65 % 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 17.3 ns 17.3 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 17.4 ns 17.3 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.643 ns 0.551 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 3.72 % 3.19 % 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 17.5 ns 17.5 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 17.7 ns 17.9 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 1.24 ns 1.34 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 7.06 % 7.61 % 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 17.4 ns 17.4 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 17.1 ns 17.3 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 1.07 ns 1.07 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 6.14 % 6.16 % 10
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 40.8 ns 40.9 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 41.3 ns 41.5 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 4.02 ns 4.13 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 9.86 % 10.12 % 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 11.0 ns 11.0 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 10.9 ns 10.9 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.443 ns 0.503 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 4.02 % 4.57 % 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 15.6 ns 15.6 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 15.6 ns 15.7 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.596 ns 0.578 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.82 % 3.71 % 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.3 ns 16.3 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.2 ns 16.3 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.503 ns 0.529 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.09 % 3.26 % 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.1 ns 16.1 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.0 ns 15.9 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.498 ns 0.543 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.09 % 3.37 % 10
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 54.1 ns 53.7 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 53.8 ns 53.1 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 3.29 ns 2.96 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 6.09 % 5.52 % 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 22.6 ns 22.6 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 22.2 ns 22.2 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 1.22 ns 1.12 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 5.39 % 4.98 % 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 18.5 ns 18.5 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 18.4 ns 18.6 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.875 ns 0.824 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 4.74 % 4.46 % 10
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 118 ns 118 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 117 ns 117 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 6.81 ns 7.42 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 5.79 % 6.30 % 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 95.8 ns 95.8 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 96.2 ns 95.6 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 3.72 ns 3.48 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 3.88 % 3.63 % 10
ssa s = "1234.567e10"; double res = *s.to_double()_mean 41.0 ns 41.0 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_median 41.0 ns 41.0 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.677 ns 0.797 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.65 % 1.94 % 10
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 7262 ns 7261 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_median 7250 ns 7220 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 681 ns 725 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 9.38 % 9.99 % 10
std::string str; ... str += "abbaabbaabbaabba";_mean 1589 ns 1581 ns 10
std::string str; ... str += "abbaabbaabbaabba";_median 1556 ns 1554 ns 10
std::string str; ... str += "abbaabbaabbaabba";_stddev 70.2 ns 67.2 ns 10
std::string str; ... str += "abbaabbaabbaabba";_cv 4.42 % 4.25 % 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 1249 ns 1248 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 1254 ns 1245 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 63.9 ns 63.5 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 5.11 % 5.09 % 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 639 ns 638 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 622 ns 621 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 67.8 ns 64.1 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 10.61 % 10.06 % 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 511 ns 509 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 513 ns 508 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 16.7 ns 20.0 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 3.26 % 3.93 % 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 255 ns 254 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 255 ns 257 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 8.45 ns 10.4 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 3.32 % 4.07 % 10
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 6865 ns 6878 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 6905 ns 6975 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 557 ns 577 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 8.11 % 8.39 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 4507 ns 4491 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 4459 ns 4400 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 324 ns 351 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 7.20 % 7.82 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 1082 ns 1083 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 1075 ns 1067 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 63.4 ns 68.2 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.86 % 6.30 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 664 ns 664 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 654 ns 656 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 39.3 ns 38.5 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.91 % 5.79 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 538 ns 538 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 548 ns 547 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 28.6 ns 30.5 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.31 % 5.68 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 319 ns 319 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 322 ns 321 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 17.1 ns 17.7 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.36 % 5.56 % 10
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 323116 ns 323248 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 326460 ns 324852 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 32689 ns 34665 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 10.12 % 10.72 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 236019 ns 236006 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 238283 ns 240157 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 15984 ns 17635 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 6.77 % 7.47 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 26277 ns 26241 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 25999 ns 26088 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1262 ns 1344 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.80 % 5.12 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 24737 ns 24745 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 24685 ns 24588 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 873 ns 782 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.53 % 3.16 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 23810 ns 23699 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 23793 ns 23542 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 755 ns 782 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.17 % 3.30 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 24103 ns 24023 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 23564 ns 23438 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2106 ns 2241 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 8.74 % 9.33 % 10
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 6233 ns 6222 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_median 6133 ns 6069 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_stddev 467 ns 466 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_cv 7.49 % 7.49 % 10
std::string str; ... str += str_var1 + str_var2;_mean 4436 ns 4436 ns 10
std::string str; ... str += str_var1 + str_var2;_median 4418 ns 4447 ns 10
std::string str; ... str += str_var1 + str_var2;_stddev 210 ns 199 ns 10
std::string str; ... str += str_var1 + str_var2;_cv 4.74 % 4.47 % 10
lstringa<16> str; ... str += str_var1 + str_var2;_mean 1198 ns 1193 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_median 1189 ns 1193 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 64.2 ns 69.4 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_cv 5.36 % 5.82 % 10
lstringa<128> str; ... str += str_var1 + str_var2;_mean 673 ns 672 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_median 677 ns 677 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 33.7 ns 35.3 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_cv 5.00 % 5.25 % 10
lstringa<512> str; ... str += str_var1 + str_var2;_mean 595 ns 593 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_median 594 ns 593 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 41.4 ns 42.2 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_cv 6.95 % 7.12 % 10
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 399 ns 399 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_median 396 ns 391 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 47.6 ns 46.5 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 11.92 % 11.64 % 10
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 13240 ns 13225 ns 10
std::stringstream str; str << "test = " << k << " times";_median 13019 ns 13114 ns 10
std::stringstream str; str << "test = " << k << " times";_stddev 877 ns 923 ns 10
std::stringstream str; str << "test = " << k << " times";_cv 6.62 % 6.98 % 10
std::string str = "test = " + std::to_string(k) + " times";_mean 1404 ns 1403 ns 10
std::string str = "test = " + std::to_string(k) + " times";_median 1356 ns 1350 ns 10
std::string str = "test = " + std::to_string(k) + " times";_stddev 168 ns 162 ns 10
std::string str = "test = " + std::to_string(k) + " times";_cv 11.94 % 11.55 % 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 3209 ns 3214 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 3134 ns 3139 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 232 ns 221 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 7.24 % 6.88 % 10
std::string str = std::format("test = {} times", k);_mean 2539 ns 2536 ns 10
std::string str = std::format("test = {} times", k);_median 2526 ns 2511 ns 10
std::string str = std::format("test = {} times", k);_stddev 150 ns 171 ns 10
std::string str = std::format("test = {} times", k);_cv 5.89 % 6.72 % 10
lstringa<8> str; str.format("test = {} times", k);_mean 3193 ns 3192 ns 10
lstringa<8> str; str.format("test = {} times", k);_median 3180 ns 3146 ns 10
lstringa<8> str; str.format("test = {} times", k);_stddev 119 ns 146 ns 10
lstringa<8> str; str.format("test = {} times", k);_cv 3.73 % 4.56 % 10
lstringa<32> str; str.format("test = {} times", k);_mean 1659 ns 1660 ns 10
lstringa<32> str; str.format("test = {} times", k);_median 1658 ns 1657 ns 10
lstringa<32> str; str.format("test = {} times", k);_stddev 51.1 ns 52.5 ns 10
lstringa<32> str; str.format("test = {} times", k);_cv 3.08 % 3.16 % 10
lstringa<8> str = "test = " + k + " times";_mean 975 ns 974 ns 10
lstringa<8> str = "test = " + k + " times";_median 959 ns 963 ns 10
lstringa<8> str = "test = " + k + " times";_stddev 42.9 ns 44.5 ns 10
lstringa<8> str = "test = " + k + " times";_cv 4.40 % 4.57 % 10
lstringa<32> str = "test = " + k + " times";_mean 217 ns 217 ns 10
lstringa<32> str = "test = " + k + " times";_median 214 ns 213 ns 10
lstringa<32> str = "test = " + k + " times";_stddev 16.3 ns 17.2 ns 10
lstringa<32> str = "test = " + k + " times";_cv 7.49 % 7.94 % 10
stringa str = "test = " + k + " times";_mean 276 ns 276 ns 10
stringa str = "test = " + k + " times";_median 277 ns 277 ns 10
stringa str = "test = " + k + " times";_stddev 24.4 ns 25.0 ns 10
stringa str = "test = " + k + " times";_cv 8.82 % 9.08 % 10
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 633 ns 631 ns 10
std::string::find + substr + std::strtol_median 620 ns 625 ns 10
std::string::find + substr + std::strtol_stddev 39.1 ns 39.8 ns 10
std::string::find + substr + std::strtol_cv 6.19 % 6.31 % 10
ssa::splitter + ssa::as_int_mean 329 ns 328 ns 10
ssa::splitter + ssa::as_int_median 325 ns 322 ns 10
ssa::splitter + ssa::as_int_stddev 19.3 ns 19.7 ns 10
ssa::splitter + ssa::as_int_cv 5.88 % 6.01 % 10
ssa::splitf + functor_mean 240 ns 239 ns 10
ssa::splitf + functor_median 237 ns 237 ns 10
ssa::splitf + functor_stddev 10.6 ns 9.77 ns 10
ssa::splitf + functor_cv 4.43 % 4.09 % 10
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 1428 ns 1423 ns 10
Naive (and wrong) replace symbols with std::string find + replace_median 1429 ns 1423 ns 10
Naive (and wrong) replace symbols with std::string find + replace_stddev 97.9 ns 97.5 ns 10
Naive (and wrong) replace symbols with std::string find + replace_cv 6.86 % 6.85 % 10
replace symbols with std::string find_first_of + replace_mean 2443 ns 2438 ns 10
replace symbols with std::string find_first_of + replace_median 2468 ns 2459 ns 10
replace symbols with std::string find_first_of + replace_stddev 120 ns 129 ns 10
replace symbols with std::string find_first_of + replace_cv 4.92 % 5.28 % 10
replace symbols with std::string_view find_first_of + copy_mean 2948 ns 2951 ns 10
replace symbols with std::string_view find_first_of + copy_median 2852 ns 2877 ns 10
replace symbols with std::string_view find_first_of + copy_stddev 295 ns 290 ns 10
replace symbols with std::string_view find_first_of + copy_cv 9.99 % 9.83 % 10
replace runtime symbols with string expressions and without remembering all search results_mean 1804 ns 1803 ns 10
replace runtime symbols with string expressions and without remembering all search results_median 1822 ns 1814 ns 10
replace runtime symbols with string expressions and without remembering all search results_stddev 89.1 ns 97.3 ns 10
replace runtime symbols with string expressions and without remembering all search results_cv 4.94 % 5.40 % 10
replace runtime symbols with simstr and memorization of all search results_mean 1612 ns 1611 ns 10
replace runtime symbols with simstr and memorization of all search results_median 1615 ns 1622 ns 10
replace runtime symbols with simstr and memorization of all search results_stddev 124 ns 118 ns 10
replace runtime symbols with simstr and memorization of all search results_cv 7.68 % 7.34 % 10
replace const symbols with string expressions and without remembering all search results_mean 1441 ns 1441 ns 10
replace const symbols with string expressions and without remembering all search results_median 1401 ns 1397 ns 10
replace const symbols with string expressions and without remembering all search results_stddev 96.6 ns 101 ns 10
replace const symbols with string expressions and without remembering all search results_cv 6.70 % 7.00 % 10
replace const symbols with string expressions and memorization of all search results_mean 1438 ns 1437 ns 10
replace const symbols with string expressions and memorization of all search results_median 1402 ns 1409 ns 10
replace const symbols with string expressions and memorization of all search results_stddev 86.9 ns 83.4 ns 10
replace const symbols with string expressions and memorization of all search results_cv 6.04 % 5.81 % 10
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 384 ns 384 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_median 388 ns 385 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 23.9 ns 23.2 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_cv 6.22 % 6.03 % 10
Short replace symbols with std::string find_first_of + replace_mean 475 ns 474 ns 10
Short replace symbols with std::string find_first_of + replace_median 490 ns 488 ns 10
Short replace symbols with std::string find_first_of + replace_stddev 35.4 ns 37.2 ns 10
Short replace symbols with std::string find_first_of + replace_cv 7.44 % 7.84 % 10
Short replace symbols with std::string_view find_first_of + copy_mean 388 ns 385 ns 10
Short replace symbols with std::string_view find_first_of + copy_median 381 ns 377 ns 10
Short replace symbols with std::string_view find_first_of + copy_stddev 26.8 ns 28.2 ns 10
Short replace symbols with std::string_view find_first_of + copy_cv 6.91 % 7.32 % 10
Short replace runtime symbols with string expressions and without remembering all search results_mean 302 ns 301 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_median 298 ns 300 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_stddev 10.2 ns 8.35 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_cv 3.39 % 2.78 % 10
Short replace runtime symbols with simstr and memorization of all search results_mean 434 ns 433 ns 10
Short replace runtime symbols with simstr and memorization of all search results_median 429 ns 431 ns 10
Short replace runtime symbols with simstr and memorization of all search results_stddev 36.0 ns 34.4 ns 10
Short replace runtime symbols with simstr and memorization of all search results_cv 8.30 % 7.94 % 10
Short replace const symbols with string expressions and without remembering all search results_mean 260 ns 259 ns 10
Short replace const symbols with string expressions and without remembering all search results_median 259 ns 262 ns 10
Short replace const symbols with string expressions and without remembering all search results_stddev 4.81 ns 6.17 ns 10
Short replace const symbols with string expressions and without remembering all search results_cv 1.85 % 2.38 % 10
Short replace const symbols with string expressions and memorization of all search results_mean 345 ns 344 ns 10
Short replace const symbols with string expressions and memorization of all search results_median 345 ns 341 ns 10
Short replace const symbols with string expressions and memorization of all search results_stddev 11.0 ns 11.9 ns 10
Short replace const symbols with string expressions and memorization of all search results_cv 3.20 % 3.46 % 10
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 249 ns 248 ns 10
replace bb to ---- in std::string|64_median 246 ns 248 ns 10
replace bb to ---- in std::string|64_stddev 9.44 ns 10.9 ns 10
replace bb to ---- in std::string|64_cv 3.79 % 4.40 % 10
replace bb to ---- in std::string|256_mean 810 ns 811 ns 10
replace bb to ---- in std::string|256_median 803 ns 802 ns 10
replace bb to ---- in std::string|256_stddev 18.3 ns 16.9 ns 10
replace bb to ---- in std::string|256_cv 2.25 % 2.09 % 10
replace bb to ---- in std::string|512_mean 1556 ns 1551 ns 10
replace bb to ---- in std::string|512_median 1544 ns 1538 ns 10
replace bb to ---- in std::string|512_stddev 60.5 ns 57.7 ns 10
replace bb to ---- in std::string|512_cv 3.89 % 3.72 % 10
replace bb to ---- in std::string|1024_mean 3229 ns 3208 ns 10
replace bb to ---- in std::string|1024_median 3191 ns 3149 ns 10
replace bb to ---- in std::string|1024_stddev 125 ns 146 ns 10
replace bb to ---- in std::string|1024_cv 3.86 % 4.54 % 10
replace bb to ---- in std::string|2048_mean 8174 ns 8126 ns 10
replace bb to ---- in std::string|2048_median 8102 ns 8022 ns 10
replace bb to ---- in std::string|2048_stddev 363 ns 413 ns 10
replace bb to ---- in std::string|2048_cv 4.44 % 5.08 % 10
replace bb to ---- in lstringa<8>|64_mean 312 ns 312 ns 10
replace bb to ---- in lstringa<8>|64_median 312 ns 310 ns 10
replace bb to ---- in lstringa<8>|64_stddev 7.11 ns 10.5 ns 10
replace bb to ---- in lstringa<8>|64_cv 2.28 % 3.36 % 10
replace bb to ---- in lstringa<8>|256_mean 660 ns 659 ns 10
replace bb to ---- in lstringa<8>|256_median 662 ns 663 ns 10
replace bb to ---- in lstringa<8>|256_stddev 17.2 ns 18.0 ns 10
replace bb to ---- in lstringa<8>|256_cv 2.61 % 2.73 % 10
replace bb to ---- in lstringa<8>|512_mean 1138 ns 1137 ns 10
replace bb to ---- in lstringa<8>|512_median 1139 ns 1134 ns 10
replace bb to ---- in lstringa<8>|512_stddev 31.0 ns 37.5 ns 10
replace bb to ---- in lstringa<8>|512_cv 2.72 % 3.30 % 10
replace bb to ---- in lstringa<8>|1024_mean 2056 ns 2049 ns 10
replace bb to ---- in lstringa<8>|1024_median 2060 ns 2040 ns 10
replace bb to ---- in lstringa<8>|1024_stddev 39.7 ns 46.8 ns 10
replace bb to ---- in lstringa<8>|1024_cv 1.93 % 2.28 % 10
replace bb to ---- in lstringa<8>|2048_mean 3917 ns 3901 ns 10
replace bb to ---- in lstringa<8>|2048_median 3889 ns 3850 ns 10
replace bb to ---- in lstringa<8>|2048_stddev 87.2 ns 90.0 ns 10
replace bb to ---- in lstringa<8>|2048_cv 2.23 % 2.31 % 10
replace bb to ---- by init stringa|64_mean 206 ns 205 ns 10
replace bb to ---- by init stringa|64_median 207 ns 203 ns 10
replace bb to ---- by init stringa|64_stddev 4.03 ns 5.64 ns 10
replace bb to ---- by init stringa|64_cv 1.96 % 2.75 % 10
replace bb to ---- by init stringa|256_mean 475 ns 474 ns 10
replace bb to ---- by init stringa|256_median 476 ns 474 ns 10
replace bb to ---- by init stringa|256_stddev 5.16 ns 9.30 ns 10
replace bb to ---- by init stringa|256_cv 1.09 % 1.96 % 10
replace bb to ---- by init stringa|512_mean 1056 ns 1052 ns 10
replace bb to ---- by init stringa|512_median 1058 ns 1050 ns 10
replace bb to ---- by init stringa|512_stddev 16.3 ns 24.3 ns 10
replace bb to ---- by init stringa|512_cv 1.54 % 2.31 % 10
replace bb to ---- by init stringa|1024_mean 2152 ns 2148 ns 10
replace bb to ---- by init stringa|1024_median 2141 ns 2148 ns 10
replace bb to ---- by init stringa|1024_stddev 28.6 ns 39.9 ns 10
replace bb to ---- by init stringa|1024_cv 1.33 % 1.86 % 10
replace bb to ---- by init stringa|2048_mean 4321 ns 4322 ns 10
replace bb to ---- by init stringa|2048_median 4309 ns 4332 ns 10
replace bb to ---- by init stringa|2048_stddev 76.0 ns 53.5 ns 10
replace bb to ---- by init stringa|2048_cv 1.76 % 1.24 % 10
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 215 ns 214 ns 10
replace bb to -- in std::string|64_median 211 ns 210 ns 10
replace bb to -- in std::string|64_stddev 9.19 ns 7.21 ns 10
replace bb to -- in std::string|64_cv 4.28 % 3.37 % 10
replace bb to -- in std::string|256_mean 552 ns 552 ns 10
replace bb to -- in std::string|256_median 542 ns 544 ns 10
replace bb to -- in std::string|256_stddev 35.0 ns 34.9 ns 10
replace bb to -- in std::string|256_cv 6.34 % 6.32 % 10
replace bb to -- in std::string|512_mean 969 ns 969 ns 10
replace bb to -- in std::string|512_median 964 ns 963 ns 10
replace bb to -- in std::string|512_stddev 34.9 ns 34.2 ns 10
replace bb to -- in std::string|512_cv 3.60 % 3.53 % 10
replace bb to -- in std::string|1024_mean 1820 ns 1818 ns 10
replace bb to -- in std::string|1024_median 1812 ns 1803 ns 10
replace bb to -- in std::string|1024_stddev 38.8 ns 45.0 ns 10
replace bb to -- in std::string|1024_cv 2.13 % 2.48 % 10
replace bb to -- in std::string|2048_mean 3593 ns 3594 ns 10
replace bb to -- in std::string|2048_median 3586 ns 3610 ns 10
replace bb to -- in std::string|2048_stddev 58.5 ns 73.7 ns 10
replace bb to -- in std::string|2048_cv 1.63 % 2.05 % 10
replace bb to -- in lstringa<8>|64_mean 193 ns 194 ns 10
replace bb to -- in lstringa<8>|64_median 189 ns 190 ns 10
replace bb to -- in lstringa<8>|64_stddev 10.6 ns 10.7 ns 10
replace bb to -- in lstringa<8>|64_cv 5.49 % 5.54 % 10
replace bb to -- in lstringa<8>|256_mean 465 ns 464 ns 10
replace bb to -- in lstringa<8>|256_median 450 ns 449 ns 10
replace bb to -- in lstringa<8>|256_stddev 38.5 ns 39.7 ns 10
replace bb to -- in lstringa<8>|256_cv 8.27 % 8.55 % 10
replace bb to -- in lstringa<8>|512_mean 788 ns 786 ns 10
replace bb to -- in lstringa<8>|512_median 789 ns 785 ns 10
replace bb to -- in lstringa<8>|512_stddev 11.4 ns 9.90 ns 10
replace bb to -- in lstringa<8>|512_cv 1.45 % 1.26 % 10
replace bb to -- in lstringa<8>|1024_mean 1447 ns 1447 ns 10
replace bb to -- in lstringa<8>|1024_median 1451 ns 1444 ns 10
replace bb to -- in lstringa<8>|1024_stddev 20.8 ns 27.5 ns 10
replace bb to -- in lstringa<8>|1024_cv 1.44 % 1.90 % 10
replace bb to -- in lstringa<8>|2048_mean 2857 ns 2856 ns 10
replace bb to -- in lstringa<8>|2048_median 2859 ns 2888 ns 10
replace bb to -- in lstringa<8>|2048_stddev 44.1 ns 44.4 ns 10
replace bb to -- in lstringa<8>|2048_cv 1.54 % 1.55 % 10
replace bb to -- by init stringa|64_mean 185 ns 184 ns 10
replace bb to -- by init stringa|64_median 184 ns 184 ns 10
replace bb to -- by init stringa|64_stddev 4.08 ns 3.13 ns 10
replace bb to -- by init stringa|64_cv 2.21 % 1.70 % 10
replace bb to -- by init stringa|256_mean 387 ns 387 ns 10
replace bb to -- by init stringa|256_median 386 ns 389 ns 10
replace bb to -- by init stringa|256_stddev 5.42 ns 7.69 ns 10
replace bb to -- by init stringa|256_cv 1.40 % 1.99 % 10
replace bb to -- by init stringa|512_mean 651 ns 652 ns 10
replace bb to -- by init stringa|512_median 649 ns 649 ns 10
replace bb to -- by init stringa|512_stddev 10.7 ns 11.5 ns 10
replace bb to -- by init stringa|512_cv 1.65 % 1.76 % 10
replace bb to -- by init stringa|1024_mean 1196 ns 1191 ns 10
replace bb to -- by init stringa|1024_median 1185 ns 1196 ns 10
replace bb to -- by init stringa|1024_stddev 37.6 ns 41.2 ns 10
replace bb to -- by init stringa|1024_cv 3.15 % 3.46 % 10
replace bb to -- by init stringa|2048_mean 2408 ns 2401 ns 10
replace bb to -- by init stringa|2048_median 2306 ns 2312 ns 10
replace bb to -- by init stringa|2048_stddev 218 ns 202 ns 10
replace bb to -- by init stringa|2048_cv 9.04 % 8.41 % 10
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 4239554 ns 4220779 ns 10
hashStrMapA<size_t> emplace & find stringa;_median 4290226 ns 4312094 ns 10
hashStrMapA<size_t> emplace & find stringa;_stddev 183556 ns 173772 ns 10
hashStrMapA<size_t> emplace & find stringa;_cv 4.33 % 4.12 % 10
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 5843669 ns 5843750 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_median 5784634 ns 5781250 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 244035 ns 277561 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 4.18 % 4.75 % 10
hashStrMapA<size_t> emplace & find ssa;_mean 3963034 ns 3936802 ns 10
hashStrMapA<size_t> emplace & find ssa;_median 3979594 ns 3971718 ns 10
hashStrMapA<size_t> emplace & find ssa;_stddev 101647 ns 96064 ns 10
hashStrMapA<size_t> emplace & find ssa;_cv 2.56 % 2.44 % 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 6280080 ns 6277902 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 6250248 ns 6277902 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 160517 ns 113909 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 2.56 % 1.81 % 10
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 1716 ns 1715 ns 10
Build func full name std::string;_median 1681 ns 1688 ns 10
Build func full name std::string;_stddev 108 ns 117 ns 10
Build func full name std::string;_cv 6.31 % 6.84 % 10
Build func full name std::string 1;_mean 1802 ns 1799 ns 10
Build func full name std::string 1;_median 1758 ns 1765 ns 10
Build func full name std::string 1;_stddev 124 ns 116 ns 10
Build func full name std::string 1;_cv 6.88 % 6.47 % 10
Build func full name std::stream;_mean 10011 ns 9950 ns 10
Build func full name std::stream;_median 9867 ns 9888 ns 10
Build func full name std::stream;_stddev 460 ns 445 ns 10
Build func full name std::stream;_cv 4.60 % 4.47 % 10
Build func full name stringa;_mean 1061 ns 1060 ns 10
Build func full name stringa;_median 1053 ns 1050 ns 10
Build func full name stringa;_stddev 35.1 ns 34.9 ns 10
Build func full name stringa;_cv 3.31 % 3.29 % 10
Build func full name stringa 1;_mean 1245 ns 1240 ns 10
Build func full name stringa 1;_median 1243 ns 1224 ns 10
Build func full name stringa 1;_stddev 25.8 ns 22.2 ns 10
Build func full name stringa 1;_cv 2.07 % 1.79 % 10

View File

@ -1,882 +0,0 @@
Run on (32 X 2513.96 MHz CPU s)
Firefox: 146.0.1.60 webasm
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 862 ns 862 ns 10
Concat std::string and number by std to std::string_median 868 ns 868 ns 10
Concat std::string and number by std to std::string_stddev 26.5 ns 26.5 ns 10
Concat std::string and number by std to std::string_cv 3.07 % 3.07 % 10
Concat std::string and number by StrExpr to std::string_mean 384 ns 384 ns 10
Concat std::string and number by StrExpr to std::string_median 382 ns 382 ns 10
Concat std::string and number by StrExpr to std::string_stddev 19.5 ns 19.5 ns 10
Concat std::string and number by StrExpr to std::string_cv 5.09 % 5.09 % 10
Concat stringa and number by StrExpr to simstr::stringa_mean 196 ns 196 ns 10
Concat stringa and number by StrExpr to simstr::stringa_median 195 ns 195 ns 10
Concat stringa and number by StrExpr to simstr::stringa_stddev 9.25 ns 9.25 ns 10
Concat stringa and number by StrExpr to simstr::stringa_cv 4.71 % 4.71 % 10
Concat stringa and number by e_concat to simstr::stringa_mean 193 ns 193 ns 10
Concat stringa and number by e_concat to simstr::stringa_median 194 ns 194 ns 10
Concat stringa and number by e_concat to simstr::stringa_stddev 3.88 ns 3.88 ns 10
Concat stringa and number by e_concat to simstr::stringa_cv 2.01 % 2.01 % 10
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and hex number by std to std::string_mean 1594 ns 1594 ns 10
Concat std::string and hex number by std to std::string_median 1589 ns 1589 ns 10
Concat std::string and hex number by std to std::string_stddev 28.2 ns 28.2 ns 10
Concat std::string and hex number by std to std::string_cv 1.77 % 1.77 % 10
Concat std::string and hex number by StrExpr to std::string_mean 371 ns 371 ns 10
Concat std::string and hex number by StrExpr to std::string_median 370 ns 370 ns 10
Concat std::string and hex number by StrExpr to std::string_stddev 7.74 ns 7.72 ns 10
Concat std::string and hex number by StrExpr to std::string_cv 2.08 % 2.08 % 10
Concat stringa and hex number by StrExpr to simstr::stringa_mean 185 ns 185 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_median 182 ns 182 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_stddev 10.6 ns 10.6 ns 10
Concat stringa and hex number by StrExpr to simstr::stringa_cv 5.71 % 5.71 % 10
Concat stringa and hex number by e_concat to simstr::stringa_mean 197 ns 197 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_median 193 ns 193 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_stddev 15.5 ns 15.5 ns 10
Concat stringa and hex number by e_concat to simstr::stringa_cv 7.84 % 7.84 % 10
Concat stringa and hex number by e_subst to simstr::stringa_mean 402 ns 402 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_median 399 ns 399 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_stddev 13.2 ns 13.2 ns 10
Concat stringa and hex number by e_subst to simstr::stringa_cv 3.28 % 3.28 % 10
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 87.7 ns 87.7 ns 10
Concat std::string by std to std::string_median 87.3 ns 87.3 ns 10
Concat std::string by std to std::string_stddev 2.91 ns 2.91 ns 10
Concat std::string by std to std::string_cv 3.32 % 3.32 % 10
Concat std::string by StrExpr to std::string_mean 97.9 ns 97.9 ns 10
Concat std::string by StrExpr to std::string_median 97.4 ns 97.4 ns 10
Concat std::string by StrExpr to std::string_stddev 2.40 ns 2.40 ns 10
Concat std::string by StrExpr to std::string_cv 2.45 % 2.45 % 10
Concat stringa by StrExpr to stringa_mean 91.9 ns 91.9 ns 10
Concat stringa by StrExpr to stringa_median 91.3 ns 91.3 ns 10
Concat stringa by StrExpr to stringa_stddev 2.61 ns 2.61 ns 10
Concat stringa by StrExpr to stringa_cv 2.84 % 2.84 % 10
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 173 ns 173 ns 10
Find concat three std::string_median 174 ns 174 ns 10
Find concat three std::string_stddev 5.37 ns 5.37 ns 10
Find concat three std::string_cv 3.10 % 3.10 % 10
Find concat three strexpr_mean 110 ns 110 ns 10
Find concat three strexpr_median 108 ns 108 ns 10
Find concat three strexpr_stddev 8.76 ns 8.76 ns 10
Find concat three strexpr_cv 7.97 % 7.97 % 10
Find concat three simstr_mean 76.2 ns 76.2 ns 10
Find concat three simstr_median 74.2 ns 74.2 ns 10
Find concat three simstr_stddev 5.68 ns 5.68 ns 10
Find concat three simstr_cv 7.46 % 7.46 % 10
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 15.2 ns 15.2 ns 10
BuildTypeNameStr 0/0_median 15.2 ns 15.2 ns 10
BuildTypeNameStr 0/0_stddev 0.301 ns 0.301 ns 10
BuildTypeNameStr 0/0_cv 1.97 % 1.97 % 10
BuildTypeNameExp 0/0_mean 15.8 ns 15.8 ns 10
BuildTypeNameExp 0/0_median 15.7 ns 15.7 ns 10
BuildTypeNameExp 0/0_stddev 0.531 ns 0.531 ns 10
BuildTypeNameExp 0/0_cv 3.35 % 3.35 % 10
BuildTypeNameSim 0/0_mean 15.6 ns 15.6 ns 10
BuildTypeNameSim 0/0_median 15.5 ns 15.5 ns 10
BuildTypeNameSim 0/0_stddev 0.458 ns 0.458 ns 10
BuildTypeNameSim 0/0_cv 2.94 % 2.94 % 10
BuildTypeNameStr 10/10_mean 253 ns 253 ns 10
BuildTypeNameStr 10/10_median 251 ns 251 ns 10
BuildTypeNameStr 10/10_stddev 16.1 ns 16.1 ns 10
BuildTypeNameStr 10/10_cv 6.36 % 6.36 % 10
BuildTypeNameExp 10/10_mean 92.7 ns 92.7 ns 10
BuildTypeNameExp 10/10_median 89.0 ns 89.0 ns 10
BuildTypeNameExp 10/10_stddev 7.74 ns 7.74 ns 10
BuildTypeNameExp 10/10_cv 8.35 % 8.35 % 10
BuildTypeNameSim 10/10_mean 65.5 ns 65.5 ns 10
BuildTypeNameSim 10/10_median 62.8 ns 62.8 ns 10
BuildTypeNameSim 10/10_stddev 5.31 ns 5.31 ns 10
BuildTypeNameSim 10/10_cv 8.11 % 8.11 % 10
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 411 ns 411 ns 10
Concat with replace str_median 406 ns 406 ns 10
Concat with replace str_stddev 11.3 ns 11.3 ns 10
Concat with replace str_cv 2.74 % 2.74 % 10
Concat with replace exp_mean 243 ns 243 ns 10
Concat with replace exp_median 240 ns 240 ns 10
Concat with replace exp_stddev 7.23 ns 7.23 ns 10
Concat with replace exp_cv 2.98 % 2.98 % 10
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 2.14 ns 2.14 ns 10
std::string e;_median 2.13 ns 2.13 ns 10
std::string e;_stddev 0.033 ns 0.033 ns 10
std::string e;_cv 1.54 % 1.54 % 10
std::string_view e;_mean 0.972 ns 0.972 ns 10
std::string_view e;_median 0.965 ns 0.965 ns 10
std::string_view e;_stddev 0.021 ns 0.021 ns 10
std::string_view e;_cv 2.16 % 2.16 % 10
ssa e;_mean 0.939 ns 0.939 ns 10
ssa e;_median 0.936 ns 0.936 ns 10
ssa e;_stddev 0.014 ns 0.014 ns 10
ssa e;_cv 1.51 % 1.51 % 10
stringa e;_mean 2.15 ns 2.15 ns 10
stringa e;_median 2.14 ns 2.14 ns 10
stringa e;_stddev 0.040 ns 0.040 ns 10
stringa e;_cv 1.84 % 1.84 % 10
lstringa<20> e;_mean 2.19 ns 2.19 ns 10
lstringa<20> e;_median 2.17 ns 2.17 ns 10
lstringa<20> e;_stddev 0.042 ns 0.042 ns 10
lstringa<20> e;_cv 1.91 % 1.91 % 10
lstringa<40> e;_mean 2.58 ns 2.58 ns 10
lstringa<40> e;_median 2.55 ns 2.55 ns 10
lstringa<40> e;_stddev 0.085 ns 0.085 ns 10
lstringa<40> e;_cv 3.28 % 3.28 % 10
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 2.33 ns 2.33 ns 10
std::string e = "Test text";_median 2.28 ns 2.28 ns 10
std::string e = "Test text";_stddev 0.103 ns 0.103 ns 10
std::string e = "Test text";_cv 4.44 % 4.44 % 10
std::string_view e = "Test text";_mean 1.24 ns 1.24 ns 10
std::string_view e = "Test text";_median 1.24 ns 1.24 ns 10
std::string_view e = "Test text";_stddev 0.033 ns 0.033 ns 10
std::string_view e = "Test text";_cv 2.66 % 2.66 % 10
ssa e = "Test text";_mean 0.968 ns 0.968 ns 10
ssa e = "Test text";_median 0.970 ns 0.970 ns 10
ssa e = "Test text";_stddev 0.013 ns 0.013 ns 10
ssa e = "Test text";_cv 1.32 % 1.35 % 10
stringa e = "Test text";_mean 2.16 ns 2.16 ns 10
stringa e = "Test text";_median 2.16 ns 2.16 ns 10
stringa e = "Test text";_stddev 0.021 ns 0.021 ns 10
stringa e = "Test text";_cv 0.99 % 0.99 % 10
lstringa<20> e = "Test text";_mean 2.65 ns 2.65 ns 10
lstringa<20> e = "Test text";_median 2.63 ns 2.63 ns 10
lstringa<20> e = "Test text";_stddev 0.073 ns 0.073 ns 10
lstringa<20> e = "Test text";_cv 2.74 % 2.74 % 10
lstringa<40> e = "Test text";_mean 2.61 ns 2.61 ns 10
lstringa<40> e = "Test text";_median 2.59 ns 2.59 ns 10
lstringa<40> e = "Test text";_stddev 0.059 ns 0.059 ns 10
lstringa<40> e = "Test text";_cv 2.25 % 2.25 % 10
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 16.0 ns 16.0 ns 10
std::string e = "123456789012345678901234567890";_median 15.9 ns 15.9 ns 10
std::string e = "123456789012345678901234567890";_stddev 0.497 ns 0.497 ns 10
std::string e = "123456789012345678901234567890";_cv 3.10 % 3.10 % 10
std::string_view e = "123456789012345678901234567890";_mean 1.28 ns 1.28 ns 10
std::string_view e = "123456789012345678901234567890";_median 1.28 ns 1.28 ns 10
std::string_view e = "123456789012345678901234567890";_stddev 0.039 ns 0.039 ns 10
std::string_view e = "123456789012345678901234567890";_cv 3.02 % 3.02 % 10
ssa e = "123456789012345678901234567890";_mean 0.971 ns 0.971 ns 10
ssa e = "123456789012345678901234567890";_median 0.971 ns 0.971 ns 10
ssa e = "123456789012345678901234567890";_stddev 0.020 ns 0.020 ns 10
ssa e = "123456789012345678901234567890";_cv 2.03 % 2.03 % 10
stringa e = "123456789012345678901234567890";_mean 2.18 ns 2.18 ns 10
stringa e = "123456789012345678901234567890";_median 2.16 ns 2.16 ns 10
stringa e = "123456789012345678901234567890";_stddev 0.043 ns 0.042 ns 10
stringa e = "123456789012345678901234567890";_cv 1.97 % 1.92 % 10
lstringa<20> e = "123456789012345678901234567890";_mean 16.5 ns 16.5 ns 10
lstringa<20> e = "123456789012345678901234567890";_median 16.4 ns 16.4 ns 10
lstringa<20> e = "123456789012345678901234567890";_stddev 0.319 ns 0.319 ns 10
lstringa<20> e = "123456789012345678901234567890";_cv 1.94 % 1.94 % 10
lstringa<40> e = "123456789012345678901234567890";_mean 3.00 ns 3.00 ns 10
lstringa<40> e = "123456789012345678901234567890";_median 2.97 ns 2.97 ns 10
lstringa<40> e = "123456789012345678901234567890";_stddev 0.111 ns 0.111 ns 10
lstringa<40> e = "123456789012345678901234567890";_cv 3.70 % 3.70 % 10
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 2.21 ns 2.21 ns 10
std::string e = "Test text"; auto c{e};_median 2.21 ns 2.21 ns 10
std::string e = "Test text"; auto c{e};_stddev 0.053 ns 0.053 ns 10
std::string e = "Test text"; auto c{e};_cv 2.39 % 2.39 % 10
std::string_view e = "Test text"; auto c{e};_mean 1.26 ns 1.26 ns 10
std::string_view e = "Test text"; auto c{e};_median 1.24 ns 1.24 ns 10
std::string_view e = "Test text"; auto c{e};_stddev 0.067 ns 0.067 ns 10
std::string_view e = "Test text"; auto c{e};_cv 5.29 % 5.29 % 10
ssa e = "Test text"; auto c{e};_mean 1.24 ns 1.24 ns 10
ssa e = "Test text"; auto c{e};_median 1.24 ns 1.24 ns 10
ssa e = "Test text"; auto c{e};_stddev 0.031 ns 0.031 ns 10
ssa e = "Test text"; auto c{e};_cv 2.46 % 2.46 % 10
stringa e = "Test text"; auto c{e};_mean 2.55 ns 2.55 ns 10
stringa e = "Test text"; auto c{e};_median 2.53 ns 2.53 ns 10
stringa e = "Test text"; auto c{e};_stddev 0.047 ns 0.047 ns 10
stringa e = "Test text"; auto c{e};_cv 1.84 % 1.84 % 10
lstringa<20> e = "Test text"; auto c{e};_mean 15.2 ns 15.2 ns 10
lstringa<20> e = "Test text"; auto c{e};_median 15.1 ns 15.1 ns 10
lstringa<20> e = "Test text"; auto c{e};_stddev 0.760 ns 0.760 ns 10
lstringa<20> e = "Test text"; auto c{e};_cv 4.99 % 4.99 % 10
lstringa<40> e = "Test text"; auto c{e};_mean 14.5 ns 14.5 ns 10
lstringa<40> e = "Test text"; auto c{e};_median 14.3 ns 14.3 ns 10
lstringa<40> e = "Test text"; auto c{e};_stddev 1.50 ns 1.50 ns 10
lstringa<40> e = "Test text"; auto c{e};_cv 10.34 % 10.34 % 10
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 33.3 ns 33.3 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_median 33.1 ns 33.1 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.32 ns 1.32 ns 10
std::string e = "123456789012345678901234567890"; auto c{e};_cv 3.96 % 3.96 % 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.27 ns 1.27 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.25 ns 1.25 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.062 ns 0.062 ns 10
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 4.85 % 4.85 % 10
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.981 ns 0.981 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.976 ns 0.976 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.022 ns 0.022 ns 10
ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.21 % 2.21 % 10
stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.19 ns 2.19 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_median 2.17 ns 2.17 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.053 ns 0.053 ns 10
stringa e = "123456789012345678901234567890"; auto c{e};_cv 2.41 % 2.41 % 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 15.7 ns 15.7 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 15.6 ns 15.6 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.562 ns 0.562 ns 10
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 3.57 % 3.57 % 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 14.2 ns 14.2 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 14.1 ns 14.1 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.971 ns 0.971 ns 10
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 6.85 % 6.85 % 10
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find;_mean 54.4 ns 54.4 ns 10
std::string::find;_median 53.5 ns 53.5 ns 10
std::string::find;_stddev 3.42 ns 3.42 ns 10
std::string::find;_cv 6.30 % 6.30 % 10
std::string_view::find;_mean 56.9 ns 56.9 ns 10
std::string_view::find;_median 56.5 ns 56.5 ns 10
std::string_view::find;_stddev 1.38 ns 1.38 ns 10
std::string_view::find;_cv 2.42 % 2.42 % 10
ssa::find;_mean 56.5 ns 56.5 ns 10
ssa::find;_median 55.9 ns 55.9 ns 10
ssa::find;_stddev 1.78 ns 1.78 ns 10
ssa::find;_cv 3.15 % 3.15 % 10
stringa::find;_mean 60.3 ns 60.3 ns 10
stringa::find;_median 60.4 ns 60.4 ns 10
stringa::find;_stddev 2.93 ns 2.93 ns 10
stringa::find;_cv 4.85 % 4.85 % 10
lstringa<20>::find;_mean 52.4 ns 52.4 ns 10
lstringa<20>::find;_median 52.4 ns 52.4 ns 10
lstringa<20>::find;_stddev 1.79 ns 1.79 ns 10
lstringa<20>::find;_cv 3.42 % 3.42 % 10
lstringa<40>::find;_mean 51.0 ns 51.0 ns 10
lstringa<40>::find;_median 50.5 ns 50.5 ns 10
lstringa<40>::find;_stddev 1.15 ns 1.15 ns 10
lstringa<40>::find;_cv 2.26 % 2.26 % 10
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 34.4 ns 34.4 ns 10
std::string copy{str_with_len_N};/15_median 34.6 ns 34.6 ns 10
std::string copy{str_with_len_N};/15_stddev 0.999 ns 0.999 ns 10
std::string copy{str_with_len_N};/15_cv 2.90 % 2.90 % 10
std::string copy{str_with_len_N};/16_mean 34.6 ns 34.6 ns 10
std::string copy{str_with_len_N};/16_median 34.4 ns 34.4 ns 10
std::string copy{str_with_len_N};/16_stddev 1.60 ns 1.60 ns 10
std::string copy{str_with_len_N};/16_cv 4.62 % 4.62 % 10
std::string copy{str_with_len_N};/23_mean 35.2 ns 35.2 ns 10
std::string copy{str_with_len_N};/23_median 34.7 ns 34.7 ns 10
std::string copy{str_with_len_N};/23_stddev 1.39 ns 1.39 ns 10
std::string copy{str_with_len_N};/23_cv 3.94 % 3.94 % 10
std::string copy{str_with_len_N};/24_mean 34.8 ns 34.8 ns 10
std::string copy{str_with_len_N};/24_median 34.4 ns 34.4 ns 10
std::string copy{str_with_len_N};/24_stddev 1.29 ns 1.29 ns 10
std::string copy{str_with_len_N};/24_cv 3.71 % 3.71 % 10
std::string copy{str_with_len_N};/32_mean 41.2 ns 41.2 ns 10
std::string copy{str_with_len_N};/32_median 41.2 ns 41.2 ns 10
std::string copy{str_with_len_N};/32_stddev 2.51 ns 2.51 ns 10
std::string copy{str_with_len_N};/32_cv 6.07 % 6.07 % 10
std::string copy{str_with_len_N};/64_mean 37.9 ns 37.9 ns 10
std::string copy{str_with_len_N};/64_median 37.8 ns 37.8 ns 10
std::string copy{str_with_len_N};/64_stddev 1.26 ns 1.26 ns 10
std::string copy{str_with_len_N};/64_cv 3.32 % 3.32 % 10
std::string copy{str_with_len_N};/128_mean 39.8 ns 39.8 ns 10
std::string copy{str_with_len_N};/128_median 39.7 ns 39.7 ns 10
std::string copy{str_with_len_N};/128_stddev 1.49 ns 1.49 ns 10
std::string copy{str_with_len_N};/128_cv 3.75 % 3.75 % 10
std::string copy{str_with_len_N};/256_mean 59.6 ns 59.6 ns 10
std::string copy{str_with_len_N};/256_median 65.9 ns 65.9 ns 10
std::string copy{str_with_len_N};/256_stddev 13.9 ns 13.9 ns 10
std::string copy{str_with_len_N};/256_cv 23.29 % 23.29 % 10
std::string copy{str_with_len_N};/512_mean 57.3 ns 57.3 ns 10
std::string copy{str_with_len_N};/512_median 57.0 ns 57.0 ns 10
std::string copy{str_with_len_N};/512_stddev 13.0 ns 13.0 ns 10
std::string copy{str_with_len_N};/512_cv 22.77 % 22.77 % 10
std::string copy{str_with_len_N};/1024_mean 59.5 ns 59.5 ns 10
std::string copy{str_with_len_N};/1024_median 60.6 ns 60.6 ns 10
std::string copy{str_with_len_N};/1024_stddev 6.40 ns 6.40 ns 10
std::string copy{str_with_len_N};/1024_cv 10.74 % 10.74 % 10
std::string copy{str_with_len_N};/2048_mean 82.2 ns 82.2 ns 10
std::string copy{str_with_len_N};/2048_median 79.7 ns 79.7 ns 10
std::string copy{str_with_len_N};/2048_stddev 11.1 ns 11.1 ns 10
std::string copy{str_with_len_N};/2048_cv 13.46 % 13.46 % 10
std::string copy{str_with_len_N};/4096_mean 111 ns 111 ns 10
std::string copy{str_with_len_N};/4096_median 116 ns 116 ns 10
std::string copy{str_with_len_N};/4096_stddev 14.4 ns 14.4 ns 10
std::string copy{str_with_len_N};/4096_cv 12.95 % 12.95 % 10
stringa copy{str_with_len_N};/15_mean 2.54 ns 2.54 ns 10
stringa copy{str_with_len_N};/15_median 2.52 ns 2.52 ns 10
stringa copy{str_with_len_N};/15_stddev 0.042 ns 0.042 ns 10
stringa copy{str_with_len_N};/15_cv 1.66 % 1.66 % 10
stringa copy{str_with_len_N};/16_mean 4.81 ns 4.81 ns 10
stringa copy{str_with_len_N};/16_median 4.77 ns 4.77 ns 10
stringa copy{str_with_len_N};/16_stddev 0.102 ns 0.102 ns 10
stringa copy{str_with_len_N};/16_cv 2.13 % 2.13 % 10
stringa copy{str_with_len_N};/23_mean 4.84 ns 4.84 ns 10
stringa copy{str_with_len_N};/23_median 4.80 ns 4.80 ns 10
stringa copy{str_with_len_N};/23_stddev 0.102 ns 0.102 ns 10
stringa copy{str_with_len_N};/23_cv 2.11 % 2.11 % 10
stringa copy{str_with_len_N};/24_mean 4.89 ns 4.89 ns 10
stringa copy{str_with_len_N};/24_median 4.87 ns 4.87 ns 10
stringa copy{str_with_len_N};/24_stddev 0.117 ns 0.117 ns 10
stringa copy{str_with_len_N};/24_cv 2.39 % 2.39 % 10
stringa copy{str_with_len_N};/32_mean 4.85 ns 4.85 ns 10
stringa copy{str_with_len_N};/32_median 4.85 ns 4.85 ns 10
stringa copy{str_with_len_N};/32_stddev 0.095 ns 0.095 ns 10
stringa copy{str_with_len_N};/32_cv 1.95 % 1.95 % 10
stringa copy{str_with_len_N};/64_mean 4.83 ns 4.83 ns 10
stringa copy{str_with_len_N};/64_median 4.81 ns 4.81 ns 10
stringa copy{str_with_len_N};/64_stddev 0.049 ns 0.049 ns 10
stringa copy{str_with_len_N};/64_cv 1.01 % 1.01 % 10
stringa copy{str_with_len_N};/128_mean 4.93 ns 4.93 ns 10
stringa copy{str_with_len_N};/128_median 4.87 ns 4.87 ns 10
stringa copy{str_with_len_N};/128_stddev 0.219 ns 0.219 ns 10
stringa copy{str_with_len_N};/128_cv 4.43 % 4.43 % 10
stringa copy{str_with_len_N};/256_mean 4.97 ns 4.97 ns 10
stringa copy{str_with_len_N};/256_median 4.92 ns 4.92 ns 10
stringa copy{str_with_len_N};/256_stddev 0.172 ns 0.172 ns 10
stringa copy{str_with_len_N};/256_cv 3.46 % 3.46 % 10
stringa copy{str_with_len_N};/512_mean 5.06 ns 5.06 ns 10
stringa copy{str_with_len_N};/512_median 4.98 ns 4.98 ns 10
stringa copy{str_with_len_N};/512_stddev 0.242 ns 0.242 ns 10
stringa copy{str_with_len_N};/512_cv 4.78 % 4.78 % 10
stringa copy{str_with_len_N};/1024_mean 4.81 ns 4.81 ns 10
stringa copy{str_with_len_N};/1024_median 4.75 ns 4.75 ns 10
stringa copy{str_with_len_N};/1024_stddev 0.134 ns 0.134 ns 10
stringa copy{str_with_len_N};/1024_cv 2.79 % 2.79 % 10
stringa copy{str_with_len_N};/2048_mean 4.86 ns 4.86 ns 10
stringa copy{str_with_len_N};/2048_median 4.77 ns 4.77 ns 10
stringa copy{str_with_len_N};/2048_stddev 0.167 ns 0.167 ns 10
stringa copy{str_with_len_N};/2048_cv 3.44 % 3.44 % 10
stringa copy{str_with_len_N};/4096_mean 4.76 ns 4.76 ns 10
stringa copy{str_with_len_N};/4096_median 4.72 ns 4.72 ns 10
stringa copy{str_with_len_N};/4096_stddev 0.085 ns 0.085 ns 10
stringa copy{str_with_len_N};/4096_cv 1.79 % 1.79 % 10
lstringa<16> copy{str_with_len_N};/15_mean 14.1 ns 14.1 ns 10
lstringa<16> copy{str_with_len_N};/15_median 14.0 ns 14.0 ns 10
lstringa<16> copy{str_with_len_N};/15_stddev 0.730 ns 0.730 ns 10
lstringa<16> copy{str_with_len_N};/15_cv 5.17 % 5.17 % 10
lstringa<16> copy{str_with_len_N};/16_mean 13.9 ns 13.9 ns 10
lstringa<16> copy{str_with_len_N};/16_median 13.9 ns 13.9 ns 10
lstringa<16> copy{str_with_len_N};/16_stddev 1.03 ns 1.03 ns 10
lstringa<16> copy{str_with_len_N};/16_cv 7.46 % 7.44 % 10
lstringa<16> copy{str_with_len_N};/23_mean 28.7 ns 28.7 ns 10
lstringa<16> copy{str_with_len_N};/23_median 28.4 ns 28.4 ns 10
lstringa<16> copy{str_with_len_N};/23_stddev 0.790 ns 0.787 ns 10
lstringa<16> copy{str_with_len_N};/23_cv 2.75 % 2.74 % 10
lstringa<16> copy{str_with_len_N};/24_mean 29.4 ns 29.4 ns 10
lstringa<16> copy{str_with_len_N};/24_median 29.5 ns 29.5 ns 10
lstringa<16> copy{str_with_len_N};/24_stddev 1.20 ns 1.20 ns 10
lstringa<16> copy{str_with_len_N};/24_cv 4.09 % 4.09 % 10
lstringa<16> copy{str_with_len_N};/32_mean 31.9 ns 31.9 ns 10
lstringa<16> copy{str_with_len_N};/32_median 31.5 ns 31.5 ns 10
lstringa<16> copy{str_with_len_N};/32_stddev 1.91 ns 1.91 ns 10
lstringa<16> copy{str_with_len_N};/32_cv 6.00 % 6.00 % 10
lstringa<16> copy{str_with_len_N};/64_mean 32.0 ns 32.0 ns 10
lstringa<16> copy{str_with_len_N};/64_median 32.0 ns 32.0 ns 10
lstringa<16> copy{str_with_len_N};/64_stddev 0.922 ns 0.922 ns 10
lstringa<16> copy{str_with_len_N};/64_cv 2.88 % 2.88 % 10
lstringa<16> copy{str_with_len_N};/128_mean 32.6 ns 32.6 ns 10
lstringa<16> copy{str_with_len_N};/128_median 32.5 ns 32.5 ns 10
lstringa<16> copy{str_with_len_N};/128_stddev 1.68 ns 1.68 ns 10
lstringa<16> copy{str_with_len_N};/128_cv 5.15 % 5.15 % 10
lstringa<16> copy{str_with_len_N};/256_mean 55.0 ns 55.0 ns 10
lstringa<16> copy{str_with_len_N};/256_median 62.8 ns 62.8 ns 10
lstringa<16> copy{str_with_len_N};/256_stddev 14.9 ns 14.9 ns 10
lstringa<16> copy{str_with_len_N};/256_cv 27.01 % 27.01 % 10
lstringa<16> copy{str_with_len_N};/512_mean 51.9 ns 51.9 ns 10
lstringa<16> copy{str_with_len_N};/512_median 53.9 ns 53.9 ns 10
lstringa<16> copy{str_with_len_N};/512_stddev 13.3 ns 13.3 ns 10
lstringa<16> copy{str_with_len_N};/512_cv 25.56 % 25.56 % 10
lstringa<16> copy{str_with_len_N};/1024_mean 54.2 ns 54.2 ns 10
lstringa<16> copy{str_with_len_N};/1024_median 56.7 ns 56.7 ns 10
lstringa<16> copy{str_with_len_N};/1024_stddev 6.95 ns 6.95 ns 10
lstringa<16> copy{str_with_len_N};/1024_cv 12.83 % 12.83 % 10
lstringa<16> copy{str_with_len_N};/2048_mean 79.1 ns 79.1 ns 10
lstringa<16> copy{str_with_len_N};/2048_median 78.0 ns 78.0 ns 10
lstringa<16> copy{str_with_len_N};/2048_stddev 9.81 ns 9.81 ns 10
lstringa<16> copy{str_with_len_N};/2048_cv 12.40 % 12.40 % 10
lstringa<16> copy{str_with_len_N};/4096_mean 106 ns 106 ns 10
lstringa<16> copy{str_with_len_N};/4096_median 109 ns 109 ns 10
lstringa<16> copy{str_with_len_N};/4096_stddev 13.9 ns 13.9 ns 10
lstringa<16> copy{str_with_len_N};/4096_cv 13.10 % 13.10 % 10
lstringa<512> copy{str_with_len_N};/15_mean 15.4 ns 15.4 ns 10
lstringa<512> copy{str_with_len_N};/15_median 15.3 ns 15.3 ns 10
lstringa<512> copy{str_with_len_N};/15_stddev 0.790 ns 0.790 ns 10
lstringa<512> copy{str_with_len_N};/15_cv 5.14 % 5.14 % 10
lstringa<512> copy{str_with_len_N};/16_mean 15.5 ns 15.5 ns 10
lstringa<512> copy{str_with_len_N};/16_median 15.6 ns 15.6 ns 10
lstringa<512> copy{str_with_len_N};/16_stddev 0.812 ns 0.812 ns 10
lstringa<512> copy{str_with_len_N};/16_cv 5.24 % 5.24 % 10
lstringa<512> copy{str_with_len_N};/23_mean 15.2 ns 15.2 ns 10
lstringa<512> copy{str_with_len_N};/23_median 15.2 ns 15.2 ns 10
lstringa<512> copy{str_with_len_N};/23_stddev 0.914 ns 0.914 ns 10
lstringa<512> copy{str_with_len_N};/23_cv 6.01 % 6.01 % 10
lstringa<512> copy{str_with_len_N};/24_mean 15.0 ns 15.0 ns 10
lstringa<512> copy{str_with_len_N};/24_median 14.7 ns 14.7 ns 10
lstringa<512> copy{str_with_len_N};/24_stddev 0.730 ns 0.730 ns 10
lstringa<512> copy{str_with_len_N};/24_cv 4.86 % 4.86 % 10
lstringa<512> copy{str_with_len_N};/32_mean 18.3 ns 18.3 ns 10
lstringa<512> copy{str_with_len_N};/32_median 18.3 ns 18.3 ns 10
lstringa<512> copy{str_with_len_N};/32_stddev 0.844 ns 0.844 ns 10
lstringa<512> copy{str_with_len_N};/32_cv 4.62 % 4.62 % 10
lstringa<512> copy{str_with_len_N};/64_mean 17.7 ns 17.7 ns 10
lstringa<512> copy{str_with_len_N};/64_median 17.8 ns 17.8 ns 10
lstringa<512> copy{str_with_len_N};/64_stddev 0.642 ns 0.642 ns 10
lstringa<512> copy{str_with_len_N};/64_cv 3.63 % 3.63 % 10
lstringa<512> copy{str_with_len_N};/128_mean 18.1 ns 18.1 ns 10
lstringa<512> copy{str_with_len_N};/128_median 17.9 ns 17.9 ns 10
lstringa<512> copy{str_with_len_N};/128_stddev 1.19 ns 1.19 ns 10
lstringa<512> copy{str_with_len_N};/128_cv 6.57 % 6.57 % 10
lstringa<512> copy{str_with_len_N};/256_mean 20.7 ns 20.7 ns 10
lstringa<512> copy{str_with_len_N};/256_median 20.5 ns 20.5 ns 10
lstringa<512> copy{str_with_len_N};/256_stddev 1.27 ns 1.27 ns 10
lstringa<512> copy{str_with_len_N};/256_cv 6.13 % 6.13 % 10
lstringa<512> copy{str_with_len_N};/512_mean 21.8 ns 21.8 ns 10
lstringa<512> copy{str_with_len_N};/512_median 21.5 ns 21.5 ns 10
lstringa<512> copy{str_with_len_N};/512_stddev 1.27 ns 1.27 ns 10
lstringa<512> copy{str_with_len_N};/512_cv 5.82 % 5.82 % 10
lstringa<512> copy{str_with_len_N};/1024_mean 52.9 ns 52.9 ns 10
lstringa<512> copy{str_with_len_N};/1024_median 54.8 ns 54.8 ns 10
lstringa<512> copy{str_with_len_N};/1024_stddev 5.68 ns 5.68 ns 10
lstringa<512> copy{str_with_len_N};/1024_cv 10.73 % 10.73 % 10
lstringa<512> copy{str_with_len_N};/2048_mean 76.5 ns 76.5 ns 10
lstringa<512> copy{str_with_len_N};/2048_median 75.0 ns 75.0 ns 10
lstringa<512> copy{str_with_len_N};/2048_stddev 8.56 ns 8.56 ns 10
lstringa<512> copy{str_with_len_N};/2048_cv 11.19 % 11.19 % 10
lstringa<512> copy{str_with_len_N};/4096_mean 105 ns 105 ns 10
lstringa<512> copy{str_with_len_N};/4096_median 111 ns 111 ns 10
lstringa<512> copy{str_with_len_N};/4096_stddev 13.7 ns 13.7 ns 10
lstringa<512> copy{str_with_len_N};/4096_cv 13.00 % 13.00 % 10
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 73.0 ns 73.0 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 72.8 ns 72.8 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 3.50 ns 3.50 ns 10
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 4.80 % 4.80 % 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 27.8 ns 27.8 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 27.5 ns 27.5 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.926 ns 0.926 ns 10
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 3.33 % 3.33 % 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 19.0 ns 19.0 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 18.9 ns 18.9 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.420 ns 0.420 ns 10
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.21 % 2.21 % 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 17.0 ns 17.0 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.8 ns 16.8 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.388 ns 0.388 ns 10
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.29 % 2.29 % 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 17.0 ns 17.0 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.9 ns 16.9 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.302 ns 0.302 ns 10
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.78 % 1.78 % 10
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 56.5 ns 56.5 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 56.4 ns 56.4 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 2.24 ns 2.24 ns 10
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 3.97 % 3.97 % 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 28.3 ns 28.3 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 27.9 ns 27.9 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 1.03 ns 1.03 ns 10
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 3.64 % 3.64 % 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 17.3 ns 17.3 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 17.1 ns 17.1 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.548 ns 0.548 ns 10
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 3.16 % 3.16 % 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.2 ns 16.2 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.2 ns 16.2 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.141 ns 0.141 ns 10
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 0.87 % 0.87 % 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.7 ns 16.7 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.2 ns 16.2 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 1.00 ns 1.00 ns 10
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 5.99 % 5.99 % 10
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 77.7 ns 77.7 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 78.0 ns 78.0 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 2.26 ns 2.26 ns 10
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 2.91 % 2.91 % 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 24.6 ns 24.6 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 24.7 ns 24.7 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.605 ns 0.605 ns 10
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 2.46 % 2.46 % 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 23.6 ns 23.6 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 23.2 ns 23.2 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 1.29 ns 1.29 ns 10
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 5.46 % 5.46 % 10
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 196 ns 196 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 194 ns 194 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 4.37 ns 4.37 ns 10
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 2.23 % 2.23 % 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 106 ns 106 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 106 ns 106 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.03 ns 1.03 ns 10
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 0.97 % 0.97 % 10
ssa s = "1234.567e10"; double res = *s.to_double()_mean 43.1 ns 43.1 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_median 42.5 ns 42.5 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 1.58 ns 1.58 ns 10
ssa s = "1234.567e10"; double res = *s.to_double()_cv 3.67 % 3.67 % 10
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 4557 ns 4557 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_median 4565 ns 4565 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 189 ns 189 ns 10
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 4.14 % 4.14 % 10
std::string str; ... str += "abbaabbaabbaabba";_mean 598 ns 598 ns 10
std::string str; ... str += "abbaabbaabbaabba";_median 591 ns 591 ns 10
std::string str; ... str += "abbaabbaabbaabba";_stddev 37.5 ns 37.5 ns 10
std::string str; ... str += "abbaabbaabbaabba";_cv 6.28 % 6.28 % 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 705 ns 705 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 707 ns 707 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 19.5 ns 19.5 ns 10
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 2.77 % 2.77 % 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 564 ns 564 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 560 ns 560 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 30.2 ns 30.2 ns 10
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 5.35 % 5.35 % 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 472 ns 472 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 474 ns 474 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 16.7 ns 16.7 ns 10
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 3.53 % 3.53 % 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 396 ns 396 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 391 ns 391 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 9.22 ns 9.22 ns 10
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 2.33 % 2.33 % 10
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 4433 ns 4433 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4365 ns 4365 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 180 ns 180 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 4.06 % 4.06 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1926 ns 1926 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1941 ns 1941 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 79.8 ns 79.8 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 4.14 % 4.14 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 804 ns 804 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 799 ns 799 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 61.3 ns 61.3 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 7.63 % 7.63 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 726 ns 726 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 713 ns 713 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 52.6 ns 52.6 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 7.24 % 7.24 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 597 ns 597 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 587 ns 587 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 33.1 ns 33.1 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.55 % 5.55 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 523 ns 523 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 513 ns 513 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 25.4 ns 25.4 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.86 % 4.86 % 10
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 218832 ns 218832 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 217525 ns 217525 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 4729 ns 4729 ns 10
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 2.16 % 2.16 % 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 104650 ns 104650 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 104179 ns 104179 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4753 ns 4753 ns 10
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.54 % 4.54 % 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 39563 ns 39563 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 38899 ns 38899 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1909 ns 1909 ns 10
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.83 % 4.83 % 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 38589 ns 38589 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 38157 ns 38157 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1799 ns 1799 ns 10
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.66 % 4.66 % 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 37622 ns 37622 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 37332 ns 37332 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1772 ns 1772 ns 10
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.71 % 4.71 % 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 38473 ns 38473 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 38927 ns 38927 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1938 ns 1938 ns 10
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 5.04 % 5.04 % 10
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 4648 ns 4648 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_median 4459 ns 4459 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_stddev 319 ns 319 ns 10
std::stringstream str; ... str << str_var1 << str_var2;_cv 6.87 % 6.87 % 10
std::string str; ... str += str_var1 + str_var2;_mean 2346 ns 2346 ns 10
std::string str; ... str += str_var1 + str_var2;_median 2351 ns 2351 ns 10
std::string str; ... str += str_var1 + str_var2;_stddev 83.3 ns 83.3 ns 10
std::string str; ... str += str_var1 + str_var2;_cv 3.55 % 3.55 % 10
lstringa<16> str; ... str += str_var1 + str_var2;_mean 1150 ns 1150 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_median 1133 ns 1133 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 84.2 ns 84.2 ns 10
lstringa<16> str; ... str += str_var1 + str_var2;_cv 7.32 % 7.32 % 10
lstringa<128> str; ... str += str_var1 + str_var2;_mean 1100 ns 1100 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_median 1084 ns 1084 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 70.7 ns 70.7 ns 10
lstringa<128> str; ... str += str_var1 + str_var2;_cv 6.43 % 6.43 % 10
lstringa<512> str; ... str += str_var1 + str_var2;_mean 934 ns 934 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_median 951 ns 951 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 76.9 ns 76.9 ns 10
lstringa<512> str; ... str += str_var1 + str_var2;_cv 8.24 % 8.24 % 10
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 867 ns 867 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_median 874 ns 874 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 52.8 ns 52.8 ns 10
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 6.09 % 6.09 % 10
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 6486 ns 6486 ns 10
std::stringstream str; str << "test = " << k << " times";_median 6485 ns 6485 ns 10
std::stringstream str; str << "test = " << k << " times";_stddev 403 ns 403 ns 10
std::stringstream str; str << "test = " << k << " times";_cv 6.21 % 6.21 % 10
std::string str = "test = " + std::to_string(k) + " times";_mean 1576 ns 1576 ns 10
std::string str = "test = " + std::to_string(k) + " times";_median 1562 ns 1562 ns 10
std::string str = "test = " + std::to_string(k) + " times";_stddev 69.5 ns 69.5 ns 10
std::string str = "test = " + std::to_string(k) + " times";_cv 4.41 % 4.41 % 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2894 ns 2894 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2879 ns 2879 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 93.1 ns 93.1 ns 10
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 3.22 % 3.22 % 10
std::string str = std::format("test = {} times", k);_mean 2063 ns 2063 ns 10
std::string str = std::format("test = {} times", k);_median 2031 ns 2031 ns 10
std::string str = std::format("test = {} times", k);_stddev 98.0 ns 98.0 ns 10
std::string str = std::format("test = {} times", k);_cv 4.75 % 4.75 % 10
lstringa<8> str; str.format("test = {} times", k);_mean 3409 ns 3409 ns 10
lstringa<8> str; str.format("test = {} times", k);_median 3354 ns 3354 ns 10
lstringa<8> str; str.format("test = {} times", k);_stddev 236 ns 236 ns 10
lstringa<8> str; str.format("test = {} times", k);_cv 6.91 % 6.91 % 10
lstringa<32> str; str.format("test = {} times", k);_mean 2460 ns 2460 ns 10
lstringa<32> str; str.format("test = {} times", k);_median 2424 ns 2424 ns 10
lstringa<32> str; str.format("test = {} times", k);_stddev 99.3 ns 99.3 ns 10
lstringa<32> str; str.format("test = {} times", k);_cv 4.04 % 4.04 % 10
lstringa<8> str = "test = " + k + " times";_mean 611 ns 611 ns 10
lstringa<8> str = "test = " + k + " times";_median 620 ns 620 ns 10
lstringa<8> str = "test = " + k + " times";_stddev 26.4 ns 26.4 ns 10
lstringa<8> str = "test = " + k + " times";_cv 4.32 % 4.32 % 10
lstringa<32> str = "test = " + k + " times";_mean 345 ns 345 ns 10
lstringa<32> str = "test = " + k + " times";_median 327 ns 327 ns 10
lstringa<32> str = "test = " + k + " times";_stddev 42.0 ns 42.0 ns 10
lstringa<32> str = "test = " + k + " times";_cv 12.19 % 12.19 % 10
stringa str = "test = " + k + " times";_mean 541 ns 541 ns 10
stringa str = "test = " + k + " times";_median 536 ns 536 ns 10
stringa str = "test = " + k + " times";_stddev 29.8 ns 29.8 ns 10
stringa str = "test = " + k + " times";_cv 5.51 % 5.51 % 10
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 609 ns 609 ns 10
std::string::find + substr + std::strtol_median 616 ns 616 ns 10
std::string::find + substr + std::strtol_stddev 23.9 ns 23.9 ns 10
std::string::find + substr + std::strtol_cv 3.93 % 3.93 % 10
ssa::splitter + ssa::as_int_mean 269 ns 269 ns 10
ssa::splitter + ssa::as_int_median 263 ns 263 ns 10
ssa::splitter + ssa::as_int_stddev 14.1 ns 14.1 ns 10
ssa::splitter + ssa::as_int_cv 5.25 % 5.25 % 10
ssa::splitf + functor_mean 338 ns 338 ns 10
ssa::splitf + functor_median 330 ns 330 ns 10
ssa::splitf + functor_stddev 23.1 ns 23.1 ns 10
ssa::splitf + functor_cv 6.82 % 6.82 % 10
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 3726 ns 3726 ns 10
Naive (and wrong) replace symbols with std::string find + replace_median 3773 ns 3773 ns 10
Naive (and wrong) replace symbols with std::string find + replace_stddev 174 ns 174 ns 10
Naive (and wrong) replace symbols with std::string find + replace_cv 4.67 % 4.67 % 10
replace symbols with std::string find_first_of + replace_mean 5016 ns 5016 ns 10
replace symbols with std::string find_first_of + replace_median 4980 ns 4980 ns 10
replace symbols with std::string find_first_of + replace_stddev 316 ns 316 ns 10
replace symbols with std::string find_first_of + replace_cv 6.30 % 6.30 % 10
replace symbols with std::string_view find_first_of + copy_mean 3479 ns 3479 ns 10
replace symbols with std::string_view find_first_of + copy_median 3504 ns 3504 ns 10
replace symbols with std::string_view find_first_of + copy_stddev 138 ns 138 ns 10
replace symbols with std::string_view find_first_of + copy_cv 3.96 % 3.96 % 10
replace runtime symbols with string expressions and without remembering all search results_mean 3472 ns 3472 ns 10
replace runtime symbols with string expressions and without remembering all search results_median 3473 ns 3473 ns 10
replace runtime symbols with string expressions and without remembering all search results_stddev 117 ns 117 ns 10
replace runtime symbols with string expressions and without remembering all search results_cv 3.36 % 3.36 % 10
replace runtime symbols with simstr and memorization of all search results_mean 3043 ns 3043 ns 10
replace runtime symbols with simstr and memorization of all search results_median 3054 ns 3054 ns 10
replace runtime symbols with simstr and memorization of all search results_stddev 89.1 ns 89.1 ns 10
replace runtime symbols with simstr and memorization of all search results_cv 2.93 % 2.93 % 10
replace const symbols with string expressions and without remembering all search results_mean 2845 ns 2845 ns 10
replace const symbols with string expressions and without remembering all search results_median 2832 ns 2832 ns 10
replace const symbols with string expressions and without remembering all search results_stddev 111 ns 111 ns 10
replace const symbols with string expressions and without remembering all search results_cv 3.91 % 3.91 % 10
replace const symbols with string expressions and memorization of all search results_mean 2739 ns 2739 ns 10
replace const symbols with string expressions and memorization of all search results_median 2679 ns 2679 ns 10
replace const symbols with string expressions and memorization of all search results_stddev 178 ns 178 ns 10
replace const symbols with string expressions and memorization of all search results_cv 6.50 % 6.50 % 10
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 470 ns 470 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_median 472 ns 472 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 24.7 ns 24.7 ns 10
Short Naive (and wrong) replace symbols with std::string find + replace_cv 5.25 % 5.25 % 10
Short replace symbols with std::string find_first_of + replace_mean 494 ns 494 ns 10
Short replace symbols with std::string find_first_of + replace_median 485 ns 485 ns 10
Short replace symbols with std::string find_first_of + replace_stddev 34.2 ns 34.2 ns 10
Short replace symbols with std::string find_first_of + replace_cv 6.92 % 6.92 % 10
Short replace symbols with std::string_view find_first_of + copy_mean 413 ns 413 ns 10
Short replace symbols with std::string_view find_first_of + copy_median 420 ns 420 ns 10
Short replace symbols with std::string_view find_first_of + copy_stddev 28.4 ns 28.4 ns 10
Short replace symbols with std::string_view find_first_of + copy_cv 6.86 % 6.86 % 10
Short replace runtime symbols with string expressions and without remembering all search results_mean 380 ns 380 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_median 378 ns 378 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_stddev 16.7 ns 16.7 ns 10
Short replace runtime symbols with string expressions and without remembering all search results_cv 4.40 % 4.40 % 10
Short replace runtime symbols with simstr and memorization of all search results_mean 401 ns 401 ns 10
Short replace runtime symbols with simstr and memorization of all search results_median 396 ns 396 ns 10
Short replace runtime symbols with simstr and memorization of all search results_stddev 20.1 ns 20.0 ns 10
Short replace runtime symbols with simstr and memorization of all search results_cv 5.01 % 5.00 % 10
Short replace const symbols with string expressions and without remembering all search results_mean 257 ns 257 ns 10
Short replace const symbols with string expressions and without remembering all search results_median 255 ns 255 ns 10
Short replace const symbols with string expressions and without remembering all search results_stddev 10.0 ns 10.0 ns 10
Short replace const symbols with string expressions and without remembering all search results_cv 3.89 % 3.89 % 10
Short replace const symbols with string expressions and memorization of all search results_mean 302 ns 302 ns 10
Short replace const symbols with string expressions and memorization of all search results_median 300 ns 300 ns 10
Short replace const symbols with string expressions and memorization of all search results_stddev 13.1 ns 13.1 ns 10
Short replace const symbols with string expressions and memorization of all search results_cv 4.32 % 4.32 % 10
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 371 ns 371 ns 10
replace bb to ---- in std::string|64_median 369 ns 369 ns 10
replace bb to ---- in std::string|64_stddev 18.6 ns 18.6 ns 10
replace bb to ---- in std::string|64_cv 5.01 % 5.01 % 10
replace bb to ---- in std::string|256_mean 1351 ns 1351 ns 10
replace bb to ---- in std::string|256_median 1339 ns 1339 ns 10
replace bb to ---- in std::string|256_stddev 71.1 ns 71.1 ns 10
replace bb to ---- in std::string|256_cv 5.26 % 5.26 % 10
replace bb to ---- in std::string|512_mean 2646 ns 2646 ns 10
replace bb to ---- in std::string|512_median 2675 ns 2675 ns 10
replace bb to ---- in std::string|512_stddev 139 ns 139 ns 10
replace bb to ---- in std::string|512_cv 5.26 % 5.26 % 10
replace bb to ---- in std::string|1024_mean 5606 ns 5607 ns 10
replace bb to ---- in std::string|1024_median 5440 ns 5440 ns 10
replace bb to ---- in std::string|1024_stddev 337 ns 336 ns 10
replace bb to ---- in std::string|1024_cv 6.00 % 5.99 % 10
replace bb to ---- in std::string|2048_mean 12254 ns 12254 ns 10
replace bb to ---- in std::string|2048_median 12308 ns 12308 ns 10
replace bb to ---- in std::string|2048_stddev 329 ns 329 ns 10
replace bb to ---- in std::string|2048_cv 2.68 % 2.68 % 10
replace bb to ---- in lstringa<8>|64_mean 332 ns 332 ns 10
replace bb to ---- in lstringa<8>|64_median 329 ns 329 ns 10
replace bb to ---- in lstringa<8>|64_stddev 13.8 ns 13.8 ns 10
replace bb to ---- in lstringa<8>|64_cv 4.16 % 4.16 % 10
replace bb to ---- in lstringa<8>|256_mean 1116 ns 1116 ns 10
replace bb to ---- in lstringa<8>|256_median 1121 ns 1121 ns 10
replace bb to ---- in lstringa<8>|256_stddev 50.8 ns 50.8 ns 10
replace bb to ---- in lstringa<8>|256_cv 4.55 % 4.55 % 10
replace bb to ---- in lstringa<8>|512_mean 2117 ns 2117 ns 10
replace bb to ---- in lstringa<8>|512_median 2104 ns 2104 ns 10
replace bb to ---- in lstringa<8>|512_stddev 87.2 ns 87.2 ns 10
replace bb to ---- in lstringa<8>|512_cv 4.12 % 4.12 % 10
replace bb to ---- in lstringa<8>|1024_mean 4092 ns 4092 ns 10
replace bb to ---- in lstringa<8>|1024_median 4093 ns 4093 ns 10
replace bb to ---- in lstringa<8>|1024_stddev 157 ns 157 ns 10
replace bb to ---- in lstringa<8>|1024_cv 3.83 % 3.83 % 10
replace bb to ---- in lstringa<8>|2048_mean 7783 ns 7783 ns 10
replace bb to ---- in lstringa<8>|2048_median 7722 ns 7722 ns 10
replace bb to ---- in lstringa<8>|2048_stddev 312 ns 312 ns 10
replace bb to ---- in lstringa<8>|2048_cv 4.01 % 4.01 % 10
replace bb to ---- by init stringa|64_mean 212 ns 212 ns 10
replace bb to ---- by init stringa|64_median 211 ns 211 ns 10
replace bb to ---- by init stringa|64_stddev 7.68 ns 7.68 ns 10
replace bb to ---- by init stringa|64_cv 3.62 % 3.62 % 10
replace bb to ---- by init stringa|256_mean 725 ns 725 ns 10
replace bb to ---- by init stringa|256_median 728 ns 728 ns 10
replace bb to ---- by init stringa|256_stddev 17.3 ns 17.3 ns 10
replace bb to ---- by init stringa|256_cv 2.39 % 2.39 % 10
replace bb to ---- by init stringa|512_mean 1687 ns 1687 ns 10
replace bb to ---- by init stringa|512_median 1694 ns 1694 ns 10
replace bb to ---- by init stringa|512_stddev 59.8 ns 59.8 ns 10
replace bb to ---- by init stringa|512_cv 3.55 % 3.55 % 10
replace bb to ---- by init stringa|1024_mean 3720 ns 3720 ns 10
replace bb to ---- by init stringa|1024_median 3746 ns 3746 ns 10
replace bb to ---- by init stringa|1024_stddev 181 ns 181 ns 10
replace bb to ---- by init stringa|1024_cv 4.86 % 4.86 % 10
replace bb to ---- by init stringa|2048_mean 7469 ns 7469 ns 10
replace bb to ---- by init stringa|2048_median 7375 ns 7375 ns 10
replace bb to ---- by init stringa|2048_stddev 456 ns 456 ns 10
replace bb to ---- by init stringa|2048_cv 6.10 % 6.10 % 10
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 259 ns 259 ns 10
replace bb to -- in std::string|64_median 255 ns 255 ns 10
replace bb to -- in std::string|64_stddev 12.7 ns 12.7 ns 10
replace bb to -- in std::string|64_cv 4.89 % 4.89 % 10
replace bb to -- in std::string|256_mean 941 ns 941 ns 10
replace bb to -- in std::string|256_median 944 ns 944 ns 10
replace bb to -- in std::string|256_stddev 28.9 ns 28.9 ns 10
replace bb to -- in std::string|256_cv 3.07 % 3.07 % 10
replace bb to -- in std::string|512_mean 1842 ns 1842 ns 10
replace bb to -- in std::string|512_median 1831 ns 1831 ns 10
replace bb to -- in std::string|512_stddev 39.0 ns 39.0 ns 10
replace bb to -- in std::string|512_cv 2.12 % 2.12 % 10
replace bb to -- in std::string|1024_mean 3695 ns 3695 ns 10
replace bb to -- in std::string|1024_median 3634 ns 3634 ns 10
replace bb to -- in std::string|1024_stddev 209 ns 209 ns 10
replace bb to -- in std::string|1024_cv 5.65 % 5.65 % 10
replace bb to -- in std::string|2048_mean 6890 ns 6890 ns 10
replace bb to -- in std::string|2048_median 6853 ns 6853 ns 10
replace bb to -- in std::string|2048_stddev 231 ns 231 ns 10
replace bb to -- in std::string|2048_cv 3.35 % 3.35 % 10
replace bb to -- in lstringa<8>|64_mean 219 ns 219 ns 10
replace bb to -- in lstringa<8>|64_median 216 ns 216 ns 10
replace bb to -- in lstringa<8>|64_stddev 7.29 ns 7.29 ns 10
replace bb to -- in lstringa<8>|64_cv 3.34 % 3.34 % 10
replace bb to -- in lstringa<8>|256_mean 797 ns 797 ns 10
replace bb to -- in lstringa<8>|256_median 772 ns 772 ns 10
replace bb to -- in lstringa<8>|256_stddev 73.2 ns 73.2 ns 10
replace bb to -- in lstringa<8>|256_cv 9.19 % 9.19 % 10
replace bb to -- in lstringa<8>|512_mean 1465 ns 1465 ns 10
replace bb to -- in lstringa<8>|512_median 1469 ns 1469 ns 10
replace bb to -- in lstringa<8>|512_stddev 93.1 ns 93.1 ns 10
replace bb to -- in lstringa<8>|512_cv 6.35 % 6.35 % 10
replace bb to -- in lstringa<8>|1024_mean 2845 ns 2845 ns 10
replace bb to -- in lstringa<8>|1024_median 2804 ns 2804 ns 10
replace bb to -- in lstringa<8>|1024_stddev 135 ns 135 ns 10
replace bb to -- in lstringa<8>|1024_cv 4.73 % 4.73 % 10
replace bb to -- in lstringa<8>|2048_mean 5530 ns 5530 ns 10
replace bb to -- in lstringa<8>|2048_median 5473 ns 5473 ns 10
replace bb to -- in lstringa<8>|2048_stddev 224 ns 224 ns 10
replace bb to -- in lstringa<8>|2048_cv 4.05 % 4.05 % 10
replace bb to -- by init stringa|64_mean 178 ns 178 ns 10
replace bb to -- by init stringa|64_median 177 ns 177 ns 10
replace bb to -- by init stringa|64_stddev 7.73 ns 7.73 ns 10
replace bb to -- by init stringa|64_cv 4.34 % 4.34 % 10
replace bb to -- by init stringa|256_mean 634 ns 634 ns 10
replace bb to -- by init stringa|256_median 636 ns 636 ns 10
replace bb to -- by init stringa|256_stddev 15.0 ns 15.0 ns 10
replace bb to -- by init stringa|256_cv 2.37 % 2.37 % 10
replace bb to -- by init stringa|512_mean 1214 ns 1214 ns 10
replace bb to -- by init stringa|512_median 1204 ns 1204 ns 10
replace bb to -- by init stringa|512_stddev 54.1 ns 54.1 ns 10
replace bb to -- by init stringa|512_cv 4.45 % 4.45 % 10
replace bb to -- by init stringa|1024_mean 2270 ns 2269 ns 10
replace bb to -- by init stringa|1024_median 2256 ns 2254 ns 10
replace bb to -- by init stringa|1024_stddev 50.4 ns 50.5 ns 10
replace bb to -- by init stringa|1024_cv 2.22 % 2.23 % 10
replace bb to -- by init stringa|2048_mean 4529 ns 4529 ns 10
replace bb to -- by init stringa|2048_median 4505 ns 4505 ns 10
replace bb to -- by init stringa|2048_stddev 139 ns 139 ns 10
replace bb to -- by init stringa|2048_cv 3.07 % 3.07 % 10
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3204846 ns 3204846 ns 10
hashStrMapA<size_t> emplace & find stringa;_median 3165198 ns 3165198 ns 10
hashStrMapA<size_t> emplace & find stringa;_stddev 130570 ns 130570 ns 10
hashStrMapA<size_t> emplace & find stringa;_cv 4.07 % 4.07 % 10
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3332883 ns 3332883 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3326577 ns 3326577 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 66320 ns 66320 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 1.99 % 1.99 % 10
hashStrMapA<size_t> emplace & find ssa;_mean 3197797 ns 3197797 ns 10
hashStrMapA<size_t> emplace & find ssa;_median 3180617 ns 3180617 ns 10
hashStrMapA<size_t> emplace & find ssa;_stddev 109562 ns 109562 ns 10
hashStrMapA<size_t> emplace & find ssa;_cv 3.43 % 3.43 % 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 3669143 ns 3669143 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 3685714 ns 3685714 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 54174 ns 54174 ns 10
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 1.48 % 1.48 % 10
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 2854 ns 2854 ns 10
Build func full name std::string;_median 2816 ns 2816 ns 10
Build func full name std::string;_stddev 165 ns 165 ns 10
Build func full name std::string;_cv 5.76 % 5.76 % 10
Build func full name std::string 1;_mean 2988 ns 2988 ns 10
Build func full name std::string 1;_median 2971 ns 2971 ns 10
Build func full name std::string 1;_stddev 124 ns 124 ns 10
Build func full name std::string 1;_cv 4.15 % 4.15 % 10
Build func full name std::stream;_mean 6634 ns 6634 ns 10
Build func full name std::stream;_median 6563 ns 6563 ns 10
Build func full name std::stream;_stddev 398 ns 398 ns 10
Build func full name std::stream;_cv 6.01 % 6.01 % 10
Build func full name stringa;_mean 1333 ns 1333 ns 10
Build func full name stringa;_median 1339 ns 1339 ns 10
Build func full name stringa;_stddev 77.7 ns 77.7 ns 10
Build func full name stringa;_cv 5.83 % 5.83 % 10
Build func full name stringa 1;_mean 1547 ns 1547 ns 10
Build func full name stringa 1;_median 1558 ns 1558 ns 10
Build func full name stringa 1;_stddev 73.9 ns 73.9 ns 10
Build func full name stringa 1;_cv 4.77 % 4.77 % 10

View File

@ -0,0 +1,987 @@
Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler MSVC 19.44.35213.0
2026-03-22T13:57:22+03:00
Running benchStr.exe
Run on (32 X 2494 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x16)
L1 Instruction 32 KiB (x16)
L2 Unified 256 KiB (x16)
L3 Unified 40960 KiB (x1)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 256 ns 255 ns 4
Concat email std::format_median 256 ns 257 ns 4
Concat email std::format_stddev 5.69 ns 2.79 ns 4
Concat email std::format_cv 2.22 % 1.09 % 4
Concat email std::stringstream_mean 940 ns 942 ns 4
Concat email std::stringstream_median 934 ns 942 ns 4
Concat email std::stringstream_stddev 17.4 ns 14.2 ns 4
Concat email std::stringstream_cv 1.85 % 1.51 % 4
Concat email stringzilla append_mean 287 ns 286 ns 4
Concat email stringzilla append_median 286 ns 289 ns 4
Concat email stringzilla append_stddev 22.9 ns 21.4 ns 4
Concat email stringzilla append_cv 7.97 % 7.51 % 4
Concat email stringzilla concat_mean 134 ns 135 ns 4
Concat email stringzilla concat_median 134 ns 135 ns 4
Concat email stringzilla concat_stddev 5.29 ns 5.75 ns 4
Concat email stringzilla concat_cv 3.94 % 4.27 % 4
Concat email std::string append_mean 200 ns 201 ns 4
Concat email std::string append_median 201 ns 202 ns 4
Concat email std::string append_stddev 4.82 ns 4.34 ns 4
Concat email std::string append_cv 2.41 % 2.16 % 4
Concat email std::string by strexpr_mean 113 ns 114 ns 4
Concat email std::string by strexpr_median 114 ns 114 ns 4
Concat email std::string by strexpr_stddev 3.52 ns 3.57 ns 4
Concat email std::string by strexpr_cv 3.10 % 3.15 % 4
Concat email stringa_mean 106 ns 106 ns 4
Concat email stringa_median 102 ns 103 ns 4
Concat email stringa_stddev 8.27 ns 6.28 ns 4
Concat email stringa_cv 7.77 % 5.94 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 333 ns 333 ns 4
Concat std::string and number by std to std::string_median 333 ns 333 ns 4
Concat std::string and number by std to std::string_stddev 3.36 ns 4.23 ns 4
Concat std::string and number by std to std::string_cv 1.01 % 1.27 % 4
Concat std::string and number by StrExpr to std::string_mean 219 ns 217 ns 4
Concat std::string and number by StrExpr to std::string_median 220 ns 213 ns 4
Concat std::string and number by StrExpr to std::string_stddev 3.90 ns 6.80 ns 4
Concat std::string and number by StrExpr to std::string_cv 1.78 % 3.14 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 109 ns 109 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 109 ns 109 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 2.59 ns 2.34 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 2.37 % 2.14 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 121 ns 121 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 122 ns 121 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 1.61 ns 2.34 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 1.33 % 1.92 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 1030 ns 1031 ns 4
Concat std::string and format hex number and literal to std::string_median 1029 ns 1025 ns 4
Concat std::string and format hex number and literal to std::string_stddev 9.52 ns 10.5 ns 4
Concat std::string and format hex number and literal to std::string_cv 0.92 % 1.02 % 4
std::format std::string and hex number by literal to std::string_mean 1872 ns 1862 ns 4
std::format std::string and hex number by literal to std::string_median 1870 ns 1862 ns 4
std::format std::string and hex number by literal to std::string_stddev 44.1 ns 54.0 ns 4
std::format std::string and hex number by literal to std::string_cv 2.35 % 2.90 % 4
Concat std::string and std::to_chars and string to std::string_mean 252 ns 253 ns 4
Concat std::string and std::to_chars and string to std::string_median 252 ns 251 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 2.77 ns 2.79 ns 4
Concat std::string and std::to_chars and string to std::string_cv 1.10 % 1.10 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 115 ns 115 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 115 ns 116 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 3.10 ns 3.45 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 2.71 % 3.01 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 101 ns 101 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 102 ns 103 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 2.17 ns 2.09 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 2.14 % 2.06 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 108 ns 107 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 108 ns 107 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 1.81 ns 1.99 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.68 % 1.86 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 173 ns 172 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 171 ns 171 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.43 ns 2.44 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.57 % 1.42 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 361 ns 361 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 362 ns 361 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 5.97 ns 6.55 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 1.66 % 1.81 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 702 ns 702 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 704 ns 706 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 15.7 ns 16.7 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 2.23 % 2.38 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 810 ns 802 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 808 ns 802 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 12.5 ns 14.2 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 1.55 % 1.77 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 1144 ns 1144 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 1148 ns 1144 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 12.7 ns 22.8 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 1.11 % 1.99 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 1583 ns 1569 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 1577 ns 1569 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 19.1 ns 28.5 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 1.21 % 1.81 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 1596 ns 1587 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 1597 ns 1587 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 35.4 ns 45.0 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 2.22 % 2.84 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 1946 ns 1916 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 1941 ns 1904 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 30.6 ns 22.7 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 1.57 % 1.18 % 4
std::vformat(pattern, std::make_format_args(i))_mean 1990 ns 1978 ns 4
std::vformat(pattern, std::make_format_args(i))_median 1972 ns 1967 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 63.3 ns 62.8 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 3.18 % 3.17 % 4
std::format with std::formatted_size_mean 2922 ns 2932 ns 4
std::format with std::formatted_size_median 2925 ns 2916 ns 4
std::format with std::formatted_size_stddev 31.5 ns 33.1 ns 4
std::format with std::formatted_size_cv 1.08 % 1.13 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 7026 ns 6975 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 7003 ns 6975 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 173 ns 142 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 2.46 % 2.04 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 55.5 ns 55.2 ns 4
Concat std::string by std to std::string_median 55.4 ns 54.9 ns 4
Concat std::string by std to std::string_stddev 1.50 ns 1.16 ns 4
Concat std::string by std to std::string_cv 2.71 % 2.09 % 4
Concat std::string by StrExpr to std::string_mean 77.4 ns 77.6 ns 4
Concat std::string by StrExpr to std::string_median 77.4 ns 77.6 ns 4
Concat std::string by StrExpr to std::string_stddev 0.605 ns 1.01 ns 4
Concat std::string by StrExpr to std::string_cv 0.78 % 1.30 % 4
Concat stringa by StrExpr to stringa_mean 52.2 ns 51.6 ns 4
Concat stringa by StrExpr to stringa_median 52.4 ns 51.6 ns 4
Concat stringa by StrExpr to stringa_stddev 0.927 ns 1.28 ns 4
Concat stringa by StrExpr to stringa_cv 1.77 % 2.47 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 230 ns 229 ns 4
Find concat three std::string_median 229 ns 228 ns 4
Find concat three std::string_stddev 3.20 ns 5.01 ns 4
Find concat three std::string_cv 1.39 % 2.19 % 4
Find concat three strexpr_mean 138 ns 134 ns 4
Find concat three strexpr_median 127 ns 127 ns 4
Find concat three strexpr_stddev 22.1 ns 15.2 ns 4
Find concat three strexpr_cv 16.06 % 11.36 % 4
Find concat three simstr_mean 28.3 ns 28.2 ns 4
Find concat three simstr_median 28.3 ns 28.2 ns 4
Find concat three simstr_stddev 0.625 ns 0.342 ns 4
Find concat three simstr_cv 2.21 % 1.22 % 4
Find concat three stringzilla string_mean 232 ns 231 ns 4
Find concat three stringzilla string_median 231 ns 229 ns 4
Find concat three stringzilla string_stddev 4.72 ns 2.44 ns 4
Find concat three stringzilla string_cv 2.03 % 1.06 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 17.8 ns 17.8 ns 4
BuildTypeNameStr 0/0_median 17.9 ns 18.0 ns 4
BuildTypeNameStr 0/0_stddev 0.258 ns 0.419 ns 4
BuildTypeNameStr 0/0_cv 1.45 % 2.35 % 4
BuildTypeNameExp 0/0_mean 14.4 ns 14.4 ns 4
BuildTypeNameExp 0/0_median 14.4 ns 14.4 ns 4
BuildTypeNameExp 0/0_stddev 0.177 ns 0.256 ns 4
BuildTypeNameExp 0/0_cv 1.23 % 1.77 % 4
BuildTypeNameSim 0/0_mean 15.4 ns 15.3 ns 4
BuildTypeNameSim 0/0_median 15.3 ns 15.2 ns 4
BuildTypeNameSim 0/0_stddev 0.562 ns 0.596 ns 4
BuildTypeNameSim 0/0_cv 3.66 % 3.90 % 4
BuildTypeNameStr 10/10_mean 80.1 ns 80.0 ns 4
BuildTypeNameStr 10/10_median 79.7 ns 80.6 ns 4
BuildTypeNameStr 10/10_stddev 1.34 ns 2.00 ns 4
BuildTypeNameStr 10/10_cv 1.67 % 2.50 % 4
BuildTypeNameExp 10/10_mean 39.4 ns 39.6 ns 4
BuildTypeNameExp 10/10_median 39.3 ns 39.3 ns 4
BuildTypeNameExp 10/10_stddev 0.579 ns 0.419 ns 4
BuildTypeNameExp 10/10_cv 1.47 % 1.06 % 4
BuildTypeNameSim 10/10_mean 38.8 ns 38.6 ns 4
BuildTypeNameSim 10/10_median 38.9 ns 38.4 ns 4
BuildTypeNameSim 10/10_stddev 0.643 ns 0.436 ns 4
BuildTypeNameSim 10/10_cv 1.66 % 1.13 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 352 ns 351 ns 4
Concat with replace str_median 353 ns 353 ns 4
Concat with replace str_stddev 8.02 ns 10.1 ns 4
Concat with replace str_cv 2.28 % 2.88 % 4
Concat with replace exp_mean 222 ns 222 ns 4
Concat with replace exp_median 222 ns 222 ns 4
Concat with replace exp_stddev 3.00 ns 3.02 ns 4
Concat with replace exp_cv 1.35 % 1.36 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 2.58 ns 2.58 ns 4
std::string e;_median 2.58 ns 2.57 ns 4
std::string e;_stddev 0.033 ns 0.028 ns 4
std::string e;_cv 1.28 % 1.08 % 4
std::string_view e;_mean 1.84 ns 1.84 ns 4
std::string_view e;_median 1.85 ns 1.84 ns 4
std::string_view e;_stddev 0.022 ns 0.034 ns 4
std::string_view e;_cv 1.20 % 1.86 % 4
ssa e;_mean 1.86 ns 1.84 ns 4
ssa e;_median 1.86 ns 1.84 ns 4
ssa e;_stddev 0.010 ns 0.034 ns 4
ssa e;_cv 0.53 % 1.86 % 4
stringa e;_mean 2.22 ns 2.22 ns 4
stringa e;_median 2.22 ns 2.22 ns 4
stringa e;_stddev 0.020 ns 0.000 ns 4
stringa e;_cv 0.92 % 0.00 % 4
lstringa<20> e;_mean 2.55 ns 2.55 ns 4
lstringa<20> e;_median 2.55 ns 2.55 ns 4
lstringa<20> e;_stddev 0.035 ns 0.048 ns 4
lstringa<20> e;_cv 1.39 % 1.90 % 4
lstringa<40> e;_mean 2.57 ns 2.55 ns 4
lstringa<40> e;_median 2.57 ns 2.57 ns 4
lstringa<40> e;_stddev 0.038 ns 0.028 ns 4
lstringa<40> e;_cv 1.48 % 1.09 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 2.57 ns 2.57 ns 4
std::string e = "Test text";_median 2.57 ns 2.57 ns 4
std::string e = "Test text";_stddev 0.053 ns 0.046 ns 4
std::string e = "Test text";_cv 2.07 % 1.77 % 4
std::string_view e = "Test text";_mean 1.84 ns 1.84 ns 4
std::string_view e = "Test text";_median 1.84 ns 1.84 ns 4
std::string_view e = "Test text";_stddev 0.022 ns 0.034 ns 4
std::string_view e = "Test text";_cv 1.22 % 1.86 % 4
ssa e = "Test text";_mean 1.84 ns 1.84 ns 4
ssa e = "Test text";_median 1.84 ns 1.84 ns 4
ssa e = "Test text";_stddev 0.010 ns 0.000 ns 4
ssa e = "Test text";_cv 0.55 % 0.00 % 4
stringa e = "Test text";_mean 2.57 ns 2.55 ns 4
stringa e = "Test text";_median 2.57 ns 2.55 ns 4
stringa e = "Test text";_stddev 0.026 ns 0.048 ns 4
stringa e = "Test text";_cv 1.01 % 1.90 % 4
lstringa<20> e = "Test text";_mean 2.60 ns 2.61 ns 4
lstringa<20> e = "Test text";_median 2.59 ns 2.62 ns 4
lstringa<20> e = "Test text";_stddev 0.045 ns 0.028 ns 4
lstringa<20> e = "Test text";_cv 1.73 % 1.07 % 4
lstringa<40> e = "Test text";_mean 2.58 ns 2.55 ns 4
lstringa<40> e = "Test text";_median 2.60 ns 2.55 ns 4
lstringa<40> e = "Test text";_stddev 0.034 ns 0.048 ns 4
lstringa<40> e = "Test text";_cv 1.33 % 1.90 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 79.3 ns 79.3 ns 4
std::string e = "123456789012345678901234567890";_median 78.4 ns 78.5 ns 4
std::string e = "123456789012345678901234567890";_stddev 2.83 ns 3.02 ns 4
std::string e = "123456789012345678901234567890";_cv 3.57 % 3.81 % 4
std::string_view e = "123456789012345678901234567890";_mean 1.86 ns 1.85 ns 4
std::string_view e = "123456789012345678901234567890";_median 1.86 ns 1.84 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.015 ns 0.021 ns 4
std::string_view e = "123456789012345678901234567890";_cv 0.80 % 1.13 % 4
ssa e = "123456789012345678901234567890";_mean 1.86 ns 1.85 ns 4
ssa e = "123456789012345678901234567890";_median 1.83 ns 1.84 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.065 ns 0.086 ns 4
ssa e = "123456789012345678901234567890";_cv 3.49 % 4.66 % 4
stringa e = "123456789012345678901234567890";_mean 2.24 ns 2.22 ns 4
stringa e = "123456789012345678901234567890";_median 2.24 ns 2.20 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.026 ns 0.049 ns 4
stringa e = "123456789012345678901234567890";_cv 1.18 % 2.20 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 72.7 ns 72.8 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 73.0 ns 73.2 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 0.990 ns 0.872 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 1.36 % 1.20 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 3.32 ns 3.33 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 3.31 ns 3.30 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.085 ns 0.073 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 2.56 % 2.20 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 5.40 ns 5.41 ns 4
std::string e = "Test text"; auto c{e};_median 5.39 ns 5.44 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.067 ns 0.070 ns 4
std::string e = "Test text"; auto c{e};_cv 1.24 % 1.29 % 4
std::string_view e = "Test text"; auto c{e};_mean 2.95 ns 2.90 ns 4
std::string_view e = "Test text"; auto c{e};_median 2.96 ns 2.92 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.021 ns 0.083 ns 4
std::string_view e = "Test text"; auto c{e};_cv 0.72 % 2.88 % 4
ssa e = "Test text"; auto c{e};_mean 2.95 ns 2.95 ns 4
ssa e = "Test text"; auto c{e};_median 2.95 ns 2.92 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.058 ns 0.066 ns 4
ssa e = "Test text"; auto c{e};_cv 1.98 % 2.25 % 4
stringa e = "Test text"; auto c{e};_mean 4.12 ns 4.10 ns 4
stringa e = "Test text"; auto c{e};_median 4.11 ns 4.08 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.046 ns 0.045 ns 4
stringa e = "Test text"; auto c{e};_cv 1.12 % 1.10 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 4.78 ns 4.74 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 4.76 ns 4.74 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.071 ns 0.114 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 1.48 % 2.40 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 5.49 ns 5.48 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 5.49 ns 5.44 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.036 ns 0.070 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 0.66 % 1.27 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 78.8 ns 78.5 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 78.5 ns 78.5 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 2.38 ns 3.18 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 3.03 % 4.06 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.50 ns 1.49 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.50 ns 1.49 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.015 ns 0.018 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 0.99 % 1.22 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 1.47 ns 1.47 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 1.46 ns 1.46 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.019 ns 0.030 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.30 % 2.05 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.98 ns 2.97 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 3.00 ns 2.95 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.039 ns 0.031 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.31 % 1.06 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 82.9 ns 82.4 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 83.1 ns 82.8 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.866 ns 1.67 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 1.04 % 2.03 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 7.41 ns 7.39 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 7.38 ns 7.39 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.131 ns 0.114 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 1.77 % 1.54 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 117 ns 117 ns 4
sz::string::find;_median 117 ns 117 ns 4
sz::string::find;_stddev 0.763 ns 1.99 ns 4
sz::string::find;_cv 0.65 % 1.70 % 4
std::string::find;_mean 40.3 ns 40.1 ns 4
std::string::find;_median 40.2 ns 39.9 ns 4
std::string::find;_stddev 0.623 ns 0.453 ns 4
std::string::find;_cv 1.54 % 1.13 % 4
std::string_view::find;_mean 39.8 ns 39.5 ns 4
std::string_view::find;_median 39.8 ns 39.7 ns 4
std::string_view::find;_stddev 0.318 ns 0.835 ns 4
std::string_view::find;_cv 0.80 % 2.12 % 4
ssa::find;_mean 21.9 ns 21.9 ns 4
ssa::find;_median 21.9 ns 22.0 ns 4
ssa::find;_stddev 0.213 ns 0.244 ns 4
ssa::find;_cv 0.97 % 1.12 % 4
stringa::find;_mean 29.4 ns 29.0 ns 4
stringa::find;_median 29.5 ns 29.5 ns 4
stringa::find;_stddev 0.245 ns 1.25 ns 4
stringa::find;_cv 0.83 % 4.33 % 4
lstringa<20>::find;_mean 24.4 ns 23.9 ns 4
lstringa<20>::find;_median 23.4 ns 22.5 ns 4
lstringa<20>::find;_stddev 3.47 ns 3.63 ns 4
lstringa<20>::find;_cv 14.22 % 15.18 % 4
lstringa<40>::find;_mean 23.1 ns 23.0 ns 4
lstringa<40>::find;_median 23.0 ns 22.8 ns 4
lstringa<40>::find;_stddev 0.931 ns 0.740 ns 4
lstringa<40>::find;_cv 4.04 % 3.21 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 5.18 ns 5.20 ns 4
std::string copy{str_with_len_N};/15_median 5.13 ns 5.16 ns 4
std::string copy{str_with_len_N};/15_stddev 0.143 ns 0.078 ns 4
std::string copy{str_with_len_N};/15_cv 2.76 % 1.50 % 4
std::string copy{str_with_len_N};/16_mean 83.5 ns 83.7 ns 4
std::string copy{str_with_len_N};/16_median 83.4 ns 83.7 ns 4
std::string copy{str_with_len_N};/16_stddev 1.76 ns 2.01 ns 4
std::string copy{str_with_len_N};/16_cv 2.11 % 2.41 % 4
std::string copy{str_with_len_N};/23_mean 82.0 ns 82.0 ns 4
std::string copy{str_with_len_N};/23_median 81.8 ns 82.0 ns 4
std::string copy{str_with_len_N};/23_stddev 1.56 ns 2.01 ns 4
std::string copy{str_with_len_N};/23_cv 1.90 % 2.46 % 4
std::string copy{str_with_len_N};/24_mean 83.5 ns 83.7 ns 4
std::string copy{str_with_len_N};/24_median 83.4 ns 83.7 ns 4
std::string copy{str_with_len_N};/24_stddev 0.829 ns 1.42 ns 4
std::string copy{str_with_len_N};/24_cv 0.99 % 1.70 % 4
std::string copy{str_with_len_N};/32_mean 89.4 ns 88.5 ns 4
std::string copy{str_with_len_N};/32_median 89.9 ns 88.1 ns 4
std::string copy{str_with_len_N};/32_stddev 1.35 ns 1.67 ns 4
std::string copy{str_with_len_N};/32_cv 1.50 % 1.89 % 4
std::string copy{str_with_len_N};/64_mean 90.6 ns 90.5 ns 4
std::string copy{str_with_len_N};/64_median 86.7 ns 86.8 ns 4
std::string copy{str_with_len_N};/64_stddev 9.13 ns 9.57 ns 4
std::string copy{str_with_len_N};/64_cv 10.07 % 10.57 % 4
std::string copy{str_with_len_N};/128_mean 90.0 ns 90.0 ns 4
std::string copy{str_with_len_N};/128_median 89.9 ns 90.0 ns 4
std::string copy{str_with_len_N};/128_stddev 0.893 ns 1.71 ns 4
std::string copy{str_with_len_N};/128_cv 0.99 % 1.90 % 4
std::string copy{str_with_len_N};/256_mean 91.8 ns 92.0 ns 4
std::string copy{str_with_len_N};/256_median 91.7 ns 91.6 ns 4
std::string copy{str_with_len_N};/256_stddev 3.06 ns 3.60 ns 4
std::string copy{str_with_len_N};/256_cv 3.34 % 3.91 % 4
std::string copy{str_with_len_N};/512_mean 96.2 ns 95.7 ns 4
std::string copy{str_with_len_N};/512_median 95.8 ns 96.3 ns 4
std::string copy{str_with_len_N};/512_stddev 1.01 ns 1.05 ns 4
std::string copy{str_with_len_N};/512_cv 1.05 % 1.09 % 4
std::string copy{str_with_len_N};/1024_mean 102 ns 102 ns 4
std::string copy{str_with_len_N};/1024_median 102 ns 103 ns 4
std::string copy{str_with_len_N};/1024_stddev 5.76 ns 5.50 ns 4
std::string copy{str_with_len_N};/1024_cv 5.65 % 5.39 % 4
std::string copy{str_with_len_N};/2048_mean 132 ns 132 ns 4
std::string copy{str_with_len_N};/2048_median 132 ns 131 ns 4
std::string copy{str_with_len_N};/2048_stddev 2.82 ns 4.19 ns 4
std::string copy{str_with_len_N};/2048_cv 2.13 % 3.17 % 4
std::string copy{str_with_len_N};/4096_mean 184 ns 182 ns 4
std::string copy{str_with_len_N};/4096_median 182 ns 182 ns 4
std::string copy{str_with_len_N};/4096_stddev 4.95 ns 4.95 ns 4
std::string copy{str_with_len_N};/4096_cv 2.69 % 2.72 % 4
stringa copy{str_with_len_N};/15_mean 4.04 ns 4.01 ns 4
stringa copy{str_with_len_N};/15_median 4.05 ns 4.01 ns 4
stringa copy{str_with_len_N};/15_stddev 0.033 ns 0.071 ns 4
stringa copy{str_with_len_N};/15_cv 0.83 % 1.77 % 4
stringa copy{str_with_len_N};/16_mean 4.07 ns 4.08 ns 4
stringa copy{str_with_len_N};/16_median 4.08 ns 4.05 ns 4
stringa copy{str_with_len_N};/16_stddev 0.086 ns 0.083 ns 4
stringa copy{str_with_len_N};/16_cv 2.11 % 2.05 % 4
stringa copy{str_with_len_N};/23_mean 4.09 ns 4.08 ns 4
stringa copy{str_with_len_N};/23_median 4.09 ns 4.08 ns 4
stringa copy{str_with_len_N};/23_stddev 0.073 ns 0.074 ns 4
stringa copy{str_with_len_N};/23_cv 1.79 % 1.81 % 4
stringa copy{str_with_len_N};/24_mean 18.8 ns 18.6 ns 4
stringa copy{str_with_len_N};/24_median 18.8 ns 18.8 ns 4
stringa copy{str_with_len_N};/24_stddev 0.284 ns 0.384 ns 4
stringa copy{str_with_len_N};/24_cv 1.51 % 2.06 % 4
stringa copy{str_with_len_N};/32_mean 18.6 ns 18.5 ns 4
stringa copy{str_with_len_N};/32_median 18.5 ns 18.4 ns 4
stringa copy{str_with_len_N};/32_stddev 0.266 ns 0.209 ns 4
stringa copy{str_with_len_N};/32_cv 1.43 % 1.13 % 4
stringa copy{str_with_len_N};/64_mean 18.6 ns 18.4 ns 4
stringa copy{str_with_len_N};/64_median 18.6 ns 18.4 ns 4
stringa copy{str_with_len_N};/64_stddev 0.088 ns 0.342 ns 4
stringa copy{str_with_len_N};/64_cv 0.47 % 1.86 % 4
stringa copy{str_with_len_N};/128_mean 18.6 ns 18.6 ns 4
stringa copy{str_with_len_N};/128_median 18.6 ns 18.6 ns 4
stringa copy{str_with_len_N};/128_stddev 0.111 ns 0.242 ns 4
stringa copy{str_with_len_N};/128_cv 0.60 % 1.30 % 4
stringa copy{str_with_len_N};/256_mean 18.7 ns 18.4 ns 4
stringa copy{str_with_len_N};/256_median 18.7 ns 18.4 ns 4
stringa copy{str_with_len_N};/256_stddev 0.154 ns 0.342 ns 4
stringa copy{str_with_len_N};/256_cv 0.82 % 1.86 % 4
stringa copy{str_with_len_N};/512_mean 19.1 ns 18.9 ns 4
stringa copy{str_with_len_N};/512_median 18.7 ns 18.8 ns 4
stringa copy{str_with_len_N};/512_stddev 0.790 ns 0.527 ns 4
stringa copy{str_with_len_N};/512_cv 4.14 % 2.78 % 4
stringa copy{str_with_len_N};/1024_mean 18.7 ns 18.5 ns 4
stringa copy{str_with_len_N};/1024_median 18.7 ns 18.4 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.105 ns 0.209 ns 4
stringa copy{str_with_len_N};/1024_cv 0.56 % 1.13 % 4
stringa copy{str_with_len_N};/2048_mean 18.7 ns 18.6 ns 4
stringa copy{str_with_len_N};/2048_median 18.7 ns 18.6 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.170 ns 0.242 ns 4
stringa copy{str_with_len_N};/2048_cv 0.91 % 1.30 % 4
stringa copy{str_with_len_N};/4096_mean 18.7 ns 18.7 ns 4
stringa copy{str_with_len_N};/4096_median 18.7 ns 18.8 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.084 ns 0.192 ns 4
stringa copy{str_with_len_N};/4096_cv 0.45 % 1.03 % 4
lstringa<16> copy{str_with_len_N};/15_mean 4.06 ns 4.06 ns 4
lstringa<16> copy{str_with_len_N};/15_median 4.05 ns 4.04 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.063 ns 0.087 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 1.55 % 2.14 % 4
lstringa<16> copy{str_with_len_N};/16_mean 8.48 ns 8.46 ns 4
lstringa<16> copy{str_with_len_N};/16_median 8.49 ns 8.46 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.137 ns 0.101 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 1.61 % 1.19 % 4
lstringa<16> copy{str_with_len_N};/23_mean 8.54 ns 8.50 ns 4
lstringa<16> copy{str_with_len_N};/23_median 8.56 ns 8.54 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.063 ns 0.087 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 0.73 % 1.03 % 4
lstringa<16> copy{str_with_len_N};/24_mean 81.2 ns 81.1 ns 4
lstringa<16> copy{str_with_len_N};/24_median 80.9 ns 81.1 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 2.04 ns 2.25 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 2.51 % 2.78 % 4
lstringa<16> copy{str_with_len_N};/32_mean 84.1 ns 84.1 ns 4
lstringa<16> copy{str_with_len_N};/32_median 84.2 ns 83.7 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 0.339 ns 0.872 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 0.40 % 1.04 % 4
lstringa<16> copy{str_with_len_N};/64_mean 82.4 ns 82.1 ns 4
lstringa<16> copy{str_with_len_N};/64_median 82.3 ns 81.6 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 1.06 ns 1.05 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 1.29 % 1.27 % 4
lstringa<16> copy{str_with_len_N};/128_mean 85.6 ns 85.4 ns 4
lstringa<16> copy{str_with_len_N};/128_median 85.4 ns 85.4 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 1.42 ns 1.42 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 1.66 % 1.67 % 4
lstringa<16> copy{str_with_len_N};/256_mean 87.1 ns 86.8 ns 4
lstringa<16> copy{str_with_len_N};/256_median 87.3 ns 85.8 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 1.57 ns 2.09 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 1.80 % 2.41 % 4
lstringa<16> copy{str_with_len_N};/512_mean 90.7 ns 90.0 ns 4
lstringa<16> copy{str_with_len_N};/512_median 91.2 ns 90.0 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 1.60 ns 1.71 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 1.77 % 1.90 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 101 ns 101 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 100 ns 100 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 5.75 ns 6.21 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 5.68 % 6.14 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 135 ns 133 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 136 ns 133 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 5.54 ns 3.60 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 4.11 % 2.72 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 196 ns 195 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 196 ns 195 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 2.72 ns 2.42 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 1.39 % 1.24 % 4
lstringa<512> copy{str_with_len_N};/15_mean 4.46 ns 4.45 ns 4
lstringa<512> copy{str_with_len_N};/15_median 4.47 ns 4.45 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.048 ns 0.083 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 1.08 % 1.86 % 4
lstringa<512> copy{str_with_len_N};/16_mean 8.96 ns 8.89 ns 4
lstringa<512> copy{str_with_len_N};/16_median 9.02 ns 8.89 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.201 ns 0.121 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 2.24 % 1.36 % 4
lstringa<512> copy{str_with_len_N};/23_mean 8.92 ns 8.89 ns 4
lstringa<512> copy{str_with_len_N};/23_median 8.89 ns 8.89 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.096 ns 0.121 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 1.08 % 1.36 % 4
lstringa<512> copy{str_with_len_N};/24_mean 9.07 ns 9.00 ns 4
lstringa<512> copy{str_with_len_N};/24_median 9.14 ns 9.00 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.274 ns 0.342 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 3.02 % 3.80 % 4
lstringa<512> copy{str_with_len_N};/32_mean 12.6 ns 12.6 ns 4
lstringa<512> copy{str_with_len_N};/32_median 12.6 ns 12.7 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.121 ns 0.267 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 0.96 % 2.12 % 4
lstringa<512> copy{str_with_len_N};/64_mean 12.5 ns 12.6 ns 4
lstringa<512> copy{str_with_len_N};/64_median 12.5 ns 12.6 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.075 ns 0.000 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 0.60 % 0.00 % 4
lstringa<512> copy{str_with_len_N};/128_mean 12.9 ns 12.9 ns 4
lstringa<512> copy{str_with_len_N};/128_median 12.9 ns 12.8 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.117 ns 0.140 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 0.91 % 1.08 % 4
lstringa<512> copy{str_with_len_N};/256_mean 14.0 ns 14.0 ns 4
lstringa<512> copy{str_with_len_N};/256_median 14.0 ns 14.0 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.180 ns 0.140 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 1.28 % 1.00 % 4
lstringa<512> copy{str_with_len_N};/512_mean 15.7 ns 15.6 ns 4
lstringa<512> copy{str_with_len_N};/512_median 15.6 ns 15.3 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.330 ns 0.575 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 2.10 % 3.68 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 95.0 ns 95.2 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 94.7 ns 95.2 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 1.84 ns 2.70 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 1.93 % 2.84 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 128 ns 127 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 128 ns 127 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 3.74 ns 4.83 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 2.93 % 3.81 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 193 ns 194 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 193 ns 193 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 1.56 ns 2.09 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 0.81 % 1.08 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 31.9 ns 31.9 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 31.9 ns 31.7 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.552 ns 0.668 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.73 % 2.09 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 11.8 ns 11.8 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 11.8 ns 11.7 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.239 ns 0.140 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.02 % 1.18 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 16.8 ns 16.7 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.8 ns 16.7 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.164 ns 0.222 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.98 % 1.33 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 15.6 ns 15.5 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 15.5 ns 15.5 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.378 ns 0.201 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.43 % 1.30 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 14.8 ns 14.6 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 14.8 ns 14.6 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.360 ns 0.174 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 2.43 % 1.20 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 35.5 ns 35.5 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 35.4 ns 35.7 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.552 ns 0.768 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.55 % 2.16 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 8.96 ns 9.00 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 8.95 ns 9.00 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.173 ns 0.242 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.93 % 2.69 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 14.5 ns 14.5 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 14.5 ns 14.6 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.173 ns 0.301 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.20 % 2.07 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 13.3 ns 13.3 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 13.4 ns 13.3 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.191 ns 0.267 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.43 % 2.01 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 12.7 ns 12.6 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 12.6 ns 12.6 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.165 ns 0.140 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.30 % 1.10 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 45.6 ns 45.3 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 45.6 ns 45.5 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.831 ns 1.00 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.82 % 2.21 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 22.4 ns 22.2 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 22.4 ns 22.2 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.187 ns 0.302 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 0.84 % 1.36 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 19.1 ns 19.1 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 19.1 ns 19.3 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.164 ns 0.209 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 0.86 % 1.09 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 103 ns 103 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 103 ns 103 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 0.220 ns 0.000 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 0.21 % 0.00 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 82.7 ns 82.0 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 83.0 ns 82.0 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.72 ns 2.01 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 2.08 % 2.46 % 4
ssa s = "1234.567e10"; double res = *s.to_double()_mean 37.7 ns 37.8 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 37.7 ns 37.6 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.248 ns 0.384 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 0.66 % 1.02 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 5722 ns 5685 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 5712 ns 5650 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 62.9 ns 134 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 1.10 % 2.35 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 1306 ns 1295 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 1306 ns 1303 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 20.8 ns 30.1 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 1.60 % 2.32 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 914 ns 905 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 917 ns 910 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 13.5 ns 20.0 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.48 % 2.21 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 542 ns 539 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 537 ns 539 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 12.9 ns 9.02 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 2.38 % 1.67 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 364 ns 361 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 366 ns 361 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 6.93 ns 6.26 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 1.90 % 1.74 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 230 ns 229 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 231 ns 229 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 5.37 ns 3.99 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 2.34 % 1.74 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 5665 ns 5580 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 5665 ns 5580 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 178 ns 255 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 3.15 % 4.56 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3902 ns 3902 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3908 ns 3880 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 74.9 ns 83.5 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.92 % 2.14 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 822 ns 820 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 822 ns 820 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 13.8 ns 20.1 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.68 % 2.46 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 535 ns 535 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 535 ns 531 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 10.9 ns 7.81 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.03 % 1.46 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 377 ns 377 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 376 ns 377 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 5.35 ns 6.83 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.42 % 1.81 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 286 ns 285 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 285 ns 285 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 3.20 ns 5.41 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.12 % 1.90 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 295560 ns 295048 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 291197 ns 288771 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 13899 ns 17000 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 4.70 % 5.76 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 199734 ns 194972 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 200341 ns 194972 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4028 ns 3702 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.02 % 1.90 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 25221 ns 25251 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 25305 ns 25391 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 392 ns 534 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.55 % 2.12 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 23191 ns 23123 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 23387 ns 23350 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 674 ns 641 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.90 % 2.77 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 21887 ns 21711 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 21799 ns 21711 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 298 ns 302 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.36 % 1.39 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 22577 ns 22496 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 22602 ns 22496 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 279 ns 0.000 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.24 % 0.00 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 5538 ns 5547 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 5547 ns 5547 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 115 ns 90.2 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 2.08 % 1.63 % 4
std::string str; ... str += str_var1 + str_var2;_mean 4019 ns 4013 ns 4
std::string str; ... str += str_var1 + str_var2;_median 4019 ns 3990 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 40.6 ns 45.3 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 1.01 % 1.13 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 900 ns 902 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 900 ns 907 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 17.6 ns 8.72 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.95 % 0.97 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 641 ns 638 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 644 ns 642 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 8.08 ns 6.98 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 1.26 % 1.09 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 482 ns 476 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 478 ns 476 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 8.41 ns 8.83 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 1.75 % 1.86 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 365 ns 365 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 366 ns 365 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 5.82 ns 4.63 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.59 % 1.27 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 11725 ns 11719 ns 4
std::stringstream str; str << "test = " << k << " times";_median 11720 ns 11719 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 134 ns 199 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 1.14 % 1.70 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 1226 ns 1228 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 1223 ns 1228 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 27.1 ns 32.2 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 2.21 % 2.62 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2815 ns 2802 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2819 ns 2787 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 70.6 ns 74.6 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 2.51 % 2.66 % 4
std::string str = std::format("test = {} times", k);_mean 2391 ns 2367 ns 4
std::string str = std::format("test = {} times", k);_median 2379 ns 2354 ns 4
std::string str = std::format("test = {} times", k);_stddev 26.5 ns 65.8 ns 4
std::string str = std::format("test = {} times", k);_cv 1.11 % 2.78 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 2677 ns 2653 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 2681 ns 2668 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 35.4 ns 88.9 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 1.32 % 3.35 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 1480 ns 1483 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 1477 ns 1475 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 14.2 ns 15.7 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 0.96 % 1.06 % 4
lstringa<8> str = "test = " + k + " times";_mean 890 ns 889 ns 4
lstringa<8> str = "test = " + k + " times";_median 891 ns 889 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 14.0 ns 14.2 ns 4
lstringa<8> str = "test = " + k + " times";_cv 1.58 % 1.60 % 4
lstringa<32> str = "test = " + k + " times";_mean 180 ns 179 ns 4
lstringa<32> str = "test = " + k + " times";_median 180 ns 180 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 3.64 ns 4.83 ns 4
lstringa<32> str = "test = " + k + " times";_cv 2.02 % 2.69 % 4
stringa str = "test = " + k + " times";_mean 172 ns 170 ns 4
stringa str = "test = " + k + " times";_median 172 ns 170 ns 4
stringa str = "test = " + k + " times";_stddev 2.25 ns 2.42 ns 4
stringa str = "test = " + k + " times";_cv 1.31 % 1.43 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 573 ns 570 ns 4
std::string::find + substr + std::strtol_median 566 ns 570 ns 4
std::string::find + substr + std::strtol_stddev 23.5 ns 32.5 ns 4
std::string::find + substr + std::strtol_cv 4.09 % 5.70 % 4
ssa::splitter + ssa::as_int_mean 304 ns 303 ns 4
ssa::splitter + ssa::as_int_median 304 ns 303 ns 4
ssa::splitter + ssa::as_int_stddev 5.71 ns 9.01 ns 4
ssa::splitter + ssa::as_int_cv 1.88 % 2.97 % 4
ssa::splitf + functor_mean 218 ns 216 ns 4
ssa::splitf + functor_median 218 ns 215 ns 4
ssa::splitf + functor_stddev 4.32 ns 6.14 ns 4
ssa::splitf + functor_cv 1.98 % 2.84 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 1206 ns 1207 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 1198 ns 1200 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 33.2 ns 35.1 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 2.76 % 2.91 % 4
replace symbols with std::string find_first_of + replace_mean 2200 ns 2197 ns 4
replace symbols with std::string find_first_of + replace_median 2200 ns 2197 ns 4
replace symbols with std::string find_first_of + replace_stddev 7.02 ns 0.000 ns 4
replace symbols with std::string find_first_of + replace_cv 0.32 % 0.00 % 4
replace symbols with std::string_view find_first_of + copy_mean 2544 ns 2520 ns 4
replace symbols with std::string_view find_first_of + copy_median 2549 ns 2520 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 15.3 ns 76.5 ns 4
replace symbols with std::string_view find_first_of + copy_cv 0.60 % 3.04 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 1663 ns 1659 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 1668 ns 1650 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 23.0 ns 19.2 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 1.38 % 1.16 % 4
replace runtime symbols with simstr and memorization of all search results_mean 1442 ns 1444 ns 4
replace runtime symbols with simstr and memorization of all search results_median 1435 ns 1444 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 18.5 ns 25.6 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 1.28 % 1.77 % 4
replace const symbols with string expressions and without remembering all search results_mean 1293 ns 1283 ns 4
replace const symbols with string expressions and without remembering all search results_median 1299 ns 1283 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 18.4 ns 22.8 ns 4
replace const symbols with string expressions and without remembering all search results_cv 1.43 % 1.77 % 4
replace const symbols with string expressions and memorization of all search results_mean 1213 ns 1214 ns 4
replace const symbols with string expressions and memorization of all search results_median 1201 ns 1200 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 28.8 ns 27.9 ns 4
replace const symbols with string expressions and memorization of all search results_cv 2.37 % 2.30 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 328 ns 324 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 331 ns 326 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 6.41 ns 7.01 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 1.95 % 2.16 % 4
Short replace symbols with std::string find_first_of + replace_mean 420 ns 422 ns 4
Short replace symbols with std::string find_first_of + replace_median 417 ns 422 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 5.55 ns 11.7 ns 4
Short replace symbols with std::string find_first_of + replace_cv 1.32 % 2.78 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 333 ns 332 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 333 ns 330 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 3.60 ns 3.84 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 1.08 % 1.16 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 310 ns 308 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 309 ns 308 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 3.87 ns 3.83 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 1.25 % 1.24 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 401 ns 399 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 399 ns 397 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 9.40 ns 8.35 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 2.35 % 2.09 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 254 ns 254 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 252 ns 251 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 6.10 ns 9.06 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 2.40 % 3.57 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 334 ns 335 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 333 ns 337 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 2.88 ns 3.66 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 0.86 % 1.09 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 242 ns 243 ns 4
replace bb to ---- in std::string|64_median 242 ns 243 ns 4
replace bb to ---- in std::string|64_stddev 2.02 ns 0.000 ns 4
replace bb to ---- in std::string|64_cv 0.83 % 0.00 % 4
replace bb to ---- in std::string|256_mean 791 ns 793 ns 4
replace bb to ---- in std::string|256_median 792 ns 793 ns 4
replace bb to ---- in std::string|256_stddev 10.1 ns 10.1 ns 4
replace bb to ---- in std::string|256_cv 1.27 % 1.27 % 4
replace bb to ---- in std::string|512_mean 1464 ns 1460 ns 4
replace bb to ---- in std::string|512_median 1469 ns 1460 ns 4
replace bb to ---- in std::string|512_stddev 13.2 ns 18.1 ns 4
replace bb to ---- in std::string|512_cv 0.90 % 1.24 % 4
replace bb to ---- in std::string|1024_mean 3204 ns 3209 ns 4
replace bb to ---- in std::string|1024_median 3216 ns 3209 ns 4
replace bb to ---- in std::string|1024_stddev 60.8 ns 57.0 ns 4
replace bb to ---- in std::string|1024_cv 1.90 % 1.77 % 4
replace bb to ---- in std::string|2048_mean 8080 ns 8057 ns 4
replace bb to ---- in std::string|2048_median 8073 ns 8057 ns 4
replace bb to ---- in std::string|2048_stddev 177 ns 270 ns 4
replace bb to ---- in std::string|2048_cv 2.19 % 3.35 % 4
replace bb to ---- in lstringa<8>|64_mean 225 ns 224 ns 4
replace bb to ---- in lstringa<8>|64_median 224 ns 220 ns 4
replace bb to ---- in lstringa<8>|64_stddev 7.34 ns 7.85 ns 4
replace bb to ---- in lstringa<8>|64_cv 3.26 % 3.51 % 4
replace bb to ---- in lstringa<8>|256_mean 655 ns 649 ns 4
replace bb to ---- in lstringa<8>|256_median 653 ns 649 ns 4
replace bb to ---- in lstringa<8>|256_stddev 10.5 ns 8.05 ns 4
replace bb to ---- in lstringa<8>|256_cv 1.60 % 1.24 % 4
replace bb to ---- in lstringa<8>|512_mean 1124 ns 1123 ns 4
replace bb to ---- in lstringa<8>|512_median 1124 ns 1123 ns 4
replace bb to ---- in lstringa<8>|512_stddev 20.7 ns 19.9 ns 4
replace bb to ---- in lstringa<8>|512_cv 1.85 % 1.77 % 4
replace bb to ---- in lstringa<8>|1024_mean 2038 ns 2040 ns 4
replace bb to ---- in lstringa<8>|1024_median 2043 ns 2063 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 39.0 ns 64.1 ns 4
replace bb to ---- in lstringa<8>|1024_cv 1.91 % 3.14 % 4
replace bb to ---- in lstringa<8>|2048_mean 3964 ns 3899 ns 4
replace bb to ---- in lstringa<8>|2048_median 3929 ns 3899 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 127 ns 74.0 ns 4
replace bb to ---- in lstringa<8>|2048_cv 3.21 % 1.90 % 4
replace bb to ---- by init stringa|64_mean 196 ns 196 ns 4
replace bb to ---- by init stringa|64_median 198 ns 197 ns 4
replace bb to ---- by init stringa|64_stddev 4.79 ns 5.27 ns 4
replace bb to ---- by init stringa|64_cv 2.44 % 2.69 % 4
replace bb to ---- by init stringa|256_mean 456 ns 453 ns 4
replace bb to ---- by init stringa|256_median 454 ns 455 ns 4
replace bb to ---- by init stringa|256_stddev 12.3 ns 10.0 ns 4
replace bb to ---- by init stringa|256_cv 2.71 % 2.21 % 4
replace bb to ---- by init stringa|512_mean 1064 ns 1057 ns 4
replace bb to ---- by init stringa|512_median 1056 ns 1057 ns 4
replace bb to ---- by init stringa|512_stddev 18.6 ns 12.1 ns 4
replace bb to ---- by init stringa|512_cv 1.75 % 1.14 % 4
replace bb to ---- by init stringa|1024_mean 2161 ns 2148 ns 4
replace bb to ---- by init stringa|1024_median 2146 ns 2148 ns 4
replace bb to ---- by init stringa|1024_stddev 37.6 ns 0.000 ns 4
replace bb to ---- by init stringa|1024_cv 1.74 % 0.00 % 4
replace bb to ---- by init stringa|2048_mean 4481 ns 4476 ns 4
replace bb to ---- by init stringa|2048_median 4468 ns 4501 ns 4
replace bb to ---- by init stringa|2048_stddev 83.1 ns 96.8 ns 4
replace bb to ---- by init stringa|2048_cv 1.86 % 2.16 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 198 ns 198 ns 4
replace bb to -- in std::string|64_median 196 ns 195 ns 4
replace bb to -- in std::string|64_stddev 7.58 ns 9.35 ns 4
replace bb to -- in std::string|64_cv 3.84 % 4.73 % 4
replace bb to -- in std::string|256_mean 520 ns 520 ns 4
replace bb to -- in std::string|256_median 517 ns 516 ns 4
replace bb to -- in std::string|256_stddev 13.7 ns 17.6 ns 4
replace bb to -- in std::string|256_cv 2.64 % 3.38 % 4
replace bb to -- in std::string|512_mean 928 ns 921 ns 4
replace bb to -- in std::string|512_median 924 ns 921 ns 4
replace bb to -- in std::string|512_stddev 14.1 ns 17.1 ns 4
replace bb to -- in std::string|512_cv 1.52 % 1.86 % 4
replace bb to -- in std::string|1024_mean 1750 ns 1755 ns 4
replace bb to -- in std::string|1024_median 1751 ns 1746 ns 4
replace bb to -- in std::string|1024_stddev 33.9 ns 36.7 ns 4
replace bb to -- in std::string|1024_cv 1.94 % 2.09 % 4
replace bb to -- in std::string|2048_mean 3402 ns 3395 ns 4
replace bb to -- in std::string|2048_median 3388 ns 3376 ns 4
replace bb to -- in std::string|2048_stddev 44.1 ns 38.4 ns 4
replace bb to -- in std::string|2048_cv 1.30 % 1.13 % 4
replace bb to -- in lstringa<8>|64_mean 186 ns 185 ns 4
replace bb to -- in lstringa<8>|64_median 185 ns 184 ns 4
replace bb to -- in lstringa<8>|64_stddev 2.11 ns 5.27 ns 4
replace bb to -- in lstringa<8>|64_cv 1.13 % 2.84 % 4
replace bb to -- in lstringa<8>|256_mean 442 ns 432 ns 4
replace bb to -- in lstringa<8>|256_median 442 ns 435 ns 4
replace bb to -- in lstringa<8>|256_stddev 4.20 ns 9.35 ns 4
replace bb to -- in lstringa<8>|256_cv 0.95 % 2.16 % 4
replace bb to -- in lstringa<8>|512_mean 771 ns 767 ns 4
replace bb to -- in lstringa<8>|512_median 772 ns 767 ns 4
replace bb to -- in lstringa<8>|512_stddev 8.00 ns 14.2 ns 4
replace bb to -- in lstringa<8>|512_cv 1.04 % 1.86 % 4
replace bb to -- in lstringa<8>|1024_mean 1457 ns 1456 ns 4
replace bb to -- in lstringa<8>|1024_median 1454 ns 1465 ns 4
replace bb to -- in lstringa<8>|1024_stddev 11.9 ns 17.4 ns 4
replace bb to -- in lstringa<8>|1024_cv 0.82 % 1.20 % 4
replace bb to -- in lstringa<8>|2048_mean 2800 ns 2802 ns 4
replace bb to -- in lstringa<8>|2048_median 2804 ns 2816 ns 4
replace bb to -- in lstringa<8>|2048_stddev 36.9 ns 56.8 ns 4
replace bb to -- in lstringa<8>|2048_cv 1.32 % 2.03 % 4
replace bb to -- by init stringa|64_mean 165 ns 163 ns 4
replace bb to -- by init stringa|64_median 164 ns 164 ns 4
replace bb to -- by init stringa|64_stddev 0.342 ns 1.74 ns 4
replace bb to -- by init stringa|64_cv 0.21 % 1.07 % 4
replace bb to -- by init stringa|256_mean 367 ns 366 ns 4
replace bb to -- by init stringa|256_median 369 ns 368 ns 4
replace bb to -- by init stringa|256_stddev 3.87 ns 4.19 ns 4
replace bb to -- by init stringa|256_cv 1.05 % 1.14 % 4
replace bb to -- by init stringa|512_mean 632 ns 628 ns 4
replace bb to -- by init stringa|512_median 625 ns 621 ns 4
replace bb to -- by init stringa|512_stddev 20.0 ns 19.7 ns 4
replace bb to -- by init stringa|512_cv 3.16 % 3.14 % 4
replace bb to -- by init stringa|1024_mean 1108 ns 1111 ns 4
replace bb to -- by init stringa|1024_median 1113 ns 1123 ns 4
replace bb to -- by init stringa|1024_stddev 17.8 ns 24.4 ns 4
replace bb to -- by init stringa|1024_cv 1.61 % 2.20 % 4
replace bb to -- by init stringa|2048_mean 2118 ns 2120 ns 4
replace bb to -- by init stringa|2048_median 2129 ns 2131 ns 4
replace bb to -- by init stringa|2048_stddev 52.1 ns 57.1 ns 4
replace bb to -- by init stringa|2048_cv 2.46 % 2.69 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 4479657 ns 4464286 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 4475352 ns 4464286 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 66831 ns 82843 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 1.49 % 1.86 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 6065832 ns 6054688 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 6124586 ns 6171875 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 197357 ns 295776 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 3.25 % 4.89 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 4127357 ns 4110647 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 4151725 ns 4133358 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 108956 ns 86976 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 2.64 % 2.12 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 6592167 ns 6487165 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 6513210 ns 6556920 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 328075 ns 139509 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 4.98 % 2.15 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 1622 ns 1617 ns 4
Build func full name std::string;_median 1619 ns 1632 ns 4
Build func full name std::string;_stddev 25.8 ns 31.4 ns 4
Build func full name std::string;_cv 1.59 % 1.94 % 4
Build func full name std::string 1;_mean 1697 ns 1678 ns 4
Build func full name std::string 1;_median 1703 ns 1669 ns 4
Build func full name std::string 1;_stddev 17.8 ns 36.7 ns 4
Build func full name std::string 1;_cv 1.05 % 2.19 % 4
Build func full name std::stream;_mean 9698 ns 9644 ns 4
Build func full name std::stream;_median 9701 ns 9521 ns 4
Build func full name std::stream;_stddev 143 ns 244 ns 4
Build func full name std::stream;_cv 1.47 % 2.53 % 4
Build func full name stringa;_mean 867 ns 868 ns 4
Build func full name stringa;_median 868 ns 868 ns 4
Build func full name stringa;_stddev 21.8 ns 12.1 ns 4
Build func full name stringa;_cv 2.51 % 1.39 % 4
Build func full name stringa 1;_mean 996 ns 994 ns 4
Build func full name stringa 1;_median 997 ns 994 ns 4
Build func full name stringa 1;_stddev 10.2 ns 12.1 ns 4
Build func full name stringa 1;_cv 1.02 % 1.22 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 1438 ns 1428 ns 4
To upper case std::wstring_median 1439 ns 1428 ns 4
To upper case std::wstring_stddev 11.0 ns 18.1 ns 4
To upper case std::wstring_cv 0.76 % 1.27 % 4
To upper case lstringw<15>_mean 44.4 ns 44.3 ns 4
To upper case lstringw<15>_median 44.4 ns 44.7 ns 4
To upper case lstringw<15>_stddev 0.322 ns 1.33 ns 4
To upper case lstringw<15>_cv 0.73 % 3.01 % 4

View File

@ -0,0 +1,981 @@
Benchmarks of simstr, version 1.8.1
Sources: https://github.com/orefkov/simstr
Results: https://orefkov.github.io/simstr/results.html
Compiler Clang 22.0.0, use libc++
Run on (32 X 2513.96 MHz CPU s)
Chrome/143.0.0.0 webasm
--------------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations
--------------------------------------------------------------------------------------------------------------------------------------------------------
----- Concatenate email ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat email std::format_mean 483 ns 483 ns 4
Concat email std::format_median 481 ns 481 ns 4
Concat email std::format_stddev 5.61 ns 5.61 ns 4
Concat email std::format_cv 1.16 % 1.16 % 4
Concat email std::stringstream_mean 1090 ns 1090 ns 4
Concat email std::stringstream_median 1095 ns 1095 ns 4
Concat email std::stringstream_stddev 16.5 ns 16.5 ns 4
Concat email std::stringstream_cv 1.51 % 1.51 % 4
Concat email stringzilla append_mean 230 ns 230 ns 4
Concat email stringzilla append_median 230 ns 230 ns 4
Concat email stringzilla append_stddev 1.55 ns 1.55 ns 4
Concat email stringzilla append_cv 0.68 % 0.67 % 4
Concat email stringzilla concat_mean 92.5 ns 92.5 ns 4
Concat email stringzilla concat_median 92.8 ns 92.8 ns 4
Concat email stringzilla concat_stddev 2.17 ns 2.17 ns 4
Concat email stringzilla concat_cv 2.35 % 2.35 % 4
Concat email std::string append_mean 289 ns 289 ns 4
Concat email std::string append_median 290 ns 290 ns 4
Concat email std::string append_stddev 8.94 ns 8.94 ns 4
Concat email std::string append_cv 3.10 % 3.10 % 4
Concat email std::string by strexpr_mean 88.2 ns 88.2 ns 4
Concat email std::string by strexpr_median 86.7 ns 86.7 ns 4
Concat email std::string by strexpr_stddev 5.21 ns 5.21 ns 4
Concat email std::string by strexpr_cv 5.91 % 5.91 % 4
Concat email stringa_mean 67.4 ns 67.4 ns 4
Concat email stringa_median 67.3 ns 67.3 ns 4
Concat email stringa_stddev 2.25 ns 2.25 ns 4
Concat email stringa_cv 3.34 % 3.34 % 4
----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and number by std to std::string_mean 1042 ns 1042 ns 4
Concat std::string and number by std to std::string_median 1048 ns 1048 ns 4
Concat std::string and number by std to std::string_stddev 25.0 ns 25.0 ns 4
Concat std::string and number by std to std::string_cv 2.40 % 2.40 % 4
Concat std::string and number by StrExpr to std::string_mean 486 ns 486 ns 4
Concat std::string and number by StrExpr to std::string_median 484 ns 484 ns 4
Concat std::string and number by StrExpr to std::string_stddev 13.4 ns 13.4 ns 4
Concat std::string and number by StrExpr to std::string_cv 2.77 % 2.77 % 4
Concat stringa and number by StrExpr to simstr::stringa_mean 217 ns 217 ns 4
Concat stringa and number by StrExpr to simstr::stringa_median 214 ns 214 ns 4
Concat stringa and number by StrExpr to simstr::stringa_stddev 8.29 ns 8.29 ns 4
Concat stringa and number by StrExpr to simstr::stringa_cv 3.82 % 3.82 % 4
Concat stringa and number by e_concat to simstr::stringa_mean 218 ns 218 ns 4
Concat stringa and number by e_concat to simstr::stringa_median 217 ns 217 ns 4
Concat stringa and number by e_concat to simstr::stringa_stddev 4.31 ns 4.31 ns 4
Concat stringa and number by e_concat to simstr::stringa_cv 1.98 % 1.98 % 4
----- Concatenate string + Hex Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string and format hex number and literal to std::string_mean 2057 ns 2057 ns 4
Concat std::string and format hex number and literal to std::string_median 2054 ns 2054 ns 4
Concat std::string and format hex number and literal to std::string_stddev 53.5 ns 53.5 ns 4
Concat std::string and format hex number and literal to std::string_cv 2.60 % 2.60 % 4
std::format std::string and hex number by literal to std::string_mean 2629 ns 2629 ns 4
std::format std::string and hex number by literal to std::string_median 2624 ns 2624 ns 4
std::format std::string and hex number by literal to std::string_stddev 16.4 ns 16.4 ns 4
std::format std::string and hex number by literal to std::string_cv 0.63 % 0.63 % 4
Concat std::string and std::to_chars and string to std::string_mean 676 ns 676 ns 4
Concat std::string and std::to_chars and string to std::string_median 678 ns 678 ns 4
Concat std::string and std::to_chars and string to std::string_stddev 9.67 ns 9.67 ns 4
Concat std::string and std::to_chars and string to std::string_cv 1.43 % 1.43 % 4
Concat std::string and hex number and literal by StrExpr to std::string_mean 526 ns 526 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_median 525 ns 525 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_stddev 37.8 ns 37.8 ns 4
Concat std::string and hex number and literal by StrExpr to std::string_cv 7.20 % 7.20 % 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 189 ns 189 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 187 ns 187 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 10.4 ns 10.4 ns 4
Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 5.52 % 5.52 % 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 198 ns 198 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_median 199 ns 199 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 3.52 ns 3.52 ns 4
Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.77 % 1.77 % 4
Subst stringa and hex number by e_subst literal to simstr::stringa_mean 355 ns 355 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_median 355 ns 355 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 12.1 ns 12.1 ns 4
Subst stringa and hex number by e_subst literal to simstr::stringa_cv 3.42 % 3.42 % 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 843 ns 843 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 846 ns 846 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 29.0 ns 29.0 ns 4
Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 3.44 % 3.44 % 4
---- format/vformat and subst/vsubst octal number to 32 symbols result ----/repeats:1 0.000 ns 0.000 ns 1000000000000
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_mean 414 ns 414 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_median 413 ns 413 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_stddev 13.6 ns 13.6 ns 4
"abcdefghihklmopqr "_ss + i / 0x8a010_fmt + " end"_cv 3.27 % 3.28 % 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_mean 621 ns 621 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_median 618 ns 618 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_stddev 17.1 ns 17.1 ns 4
e_subst("abcdefghihklmopqr {} end", i / 0x8a010_fmt)_cv 2.76 % 2.76 % 4
e_vsubst(pattern, i / 0x8a010_fmt)_mean 1426 ns 1426 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_median 1430 ns 1430 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_stddev 22.1 ns 22.1 ns 4
e_vsubst(pattern, i / 0x8a010_fmt)_cv 1.55 % 1.55 % 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_mean 2149 ns 2149 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_median 2134 ns 2134 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_stddev 53.2 ns 53.2 ns 4
fmt::format(FMT_COMPILE("abcdefghihklmopqr {:#010o} end"), i)_cv 2.48 % 2.48 % 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_mean 2879 ns 2879 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_median 2903 ns 2903 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_stddev 57.1 ns 57.1 ns 4
fmt::format("abcdefghihklmopqr {:#010o} end", i)_cv 1.98 % 1.98 % 4
std::format("abcdefghihklmopqr {:#010o} end", i)_mean 2940 ns 2940 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_median 2935 ns 2935 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_stddev 62.6 ns 62.6 ns 4
std::format("abcdefghihklmopqr {:#010o} end", i)_cv 2.13 % 2.13 % 4
std::vformat(pattern, std::make_format_args(i))_mean 2985 ns 2985 ns 4
std::vformat(pattern, std::make_format_args(i))_median 2971 ns 2971 ns 4
std::vformat(pattern, std::make_format_args(i))_stddev 58.0 ns 58.0 ns 4
std::vformat(pattern, std::make_format_args(i))_cv 1.94 % 1.94 % 4
std::format with std::formatted_size_mean 5263 ns 5263 ns 4
std::format with std::formatted_size_median 5234 ns 5234 ns 4
std::format with std::formatted_size_stddev 98.0 ns 98.0 ns 4
std::format with std::formatted_size_cv 1.86 % 1.86 % 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 8433 ns 8433 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 8423 ns 8423 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 118 ns 118 ns 4
strm << "abcdefghihklmopqr 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 1.40 % 1.40 % 4
----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat std::string by std to std::string_mean 109 ns 109 ns 4
Concat std::string by std to std::string_median 109 ns 109 ns 4
Concat std::string by std to std::string_stddev 1.82 ns 1.82 ns 4
Concat std::string by std to std::string_cv 1.68 % 1.68 % 4
Concat std::string by StrExpr to std::string_mean 120 ns 120 ns 4
Concat std::string by StrExpr to std::string_median 120 ns 120 ns 4
Concat std::string by StrExpr to std::string_stddev 1.50 ns 1.50 ns 4
Concat std::string by StrExpr to std::string_cv 1.24 % 1.24 % 4
Concat stringa by StrExpr to stringa_mean 95.4 ns 95.4 ns 4
Concat stringa by StrExpr to stringa_median 95.0 ns 95.0 ns 4
Concat stringa by StrExpr to stringa_stddev 3.65 ns 3.65 ns 4
Concat stringa by StrExpr to stringa_cv 3.82 % 3.83 % 4
----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Find concat three std::string_mean 214 ns 214 ns 4
Find concat three std::string_median 210 ns 210 ns 4
Find concat three std::string_stddev 13.1 ns 13.1 ns 4
Find concat three std::string_cv 6.13 % 6.13 % 4
Find concat three strexpr_mean 100.0 ns 100.0 ns 4
Find concat three strexpr_median 100.0 ns 100.0 ns 4
Find concat three strexpr_stddev 1.10 ns 1.10 ns 4
Find concat three strexpr_cv 1.10 % 1.10 % 4
Find concat three simstr_mean 58.2 ns 58.2 ns 4
Find concat three simstr_median 58.1 ns 58.1 ns 4
Find concat three simstr_stddev 0.634 ns 0.635 ns 4
Find concat three simstr_cv 1.09 % 1.09 % 4
Find concat three stringzilla string_mean 268 ns 268 ns 4
Find concat three stringzilla string_median 268 ns 268 ns 4
Find concat three stringzilla string_stddev 1.90 ns 1.90 ns 4
Find concat three stringzilla string_cv 0.71 % 0.71 % 4
----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
BuildTypeNameStr 0/0_mean 20.9 ns 20.9 ns 4
BuildTypeNameStr 0/0_median 21.0 ns 21.0 ns 4
BuildTypeNameStr 0/0_stddev 0.189 ns 0.189 ns 4
BuildTypeNameStr 0/0_cv 0.90 % 0.90 % 4
BuildTypeNameExp 0/0_mean 23.1 ns 23.1 ns 4
BuildTypeNameExp 0/0_median 23.2 ns 23.2 ns 4
BuildTypeNameExp 0/0_stddev 0.711 ns 0.711 ns 4
BuildTypeNameExp 0/0_cv 3.09 % 3.09 % 4
BuildTypeNameSim 0/0_mean 20.4 ns 20.4 ns 4
BuildTypeNameSim 0/0_median 20.2 ns 20.2 ns 4
BuildTypeNameSim 0/0_stddev 0.751 ns 0.751 ns 4
BuildTypeNameSim 0/0_cv 3.67 % 3.67 % 4
BuildTypeNameStr 10/10_mean 365 ns 365 ns 4
BuildTypeNameStr 10/10_median 370 ns 370 ns 4
BuildTypeNameStr 10/10_stddev 13.3 ns 13.3 ns 4
BuildTypeNameStr 10/10_cv 3.65 % 3.65 % 4
BuildTypeNameExp 10/10_mean 116 ns 116 ns 4
BuildTypeNameExp 10/10_median 116 ns 116 ns 4
BuildTypeNameExp 10/10_stddev 7.06 ns 7.06 ns 4
BuildTypeNameExp 10/10_cv 6.10 % 6.10 % 4
BuildTypeNameSim 10/10_mean 69.0 ns 69.0 ns 4
BuildTypeNameSim 10/10_median 69.1 ns 69.2 ns 4
BuildTypeNameSim 10/10_stddev 1.79 ns 1.79 ns 4
BuildTypeNameSim 10/10_cv 2.59 % 2.59 % 4
----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000
Concat with replace str_mean 500 ns 500 ns 4
Concat with replace str_median 498 ns 498 ns 4
Concat with replace str_stddev 13.7 ns 13.7 ns 4
Concat with replace str_cv 2.74 % 2.74 % 4
Concat with replace exp_mean 235 ns 235 ns 4
Concat with replace exp_median 234 ns 234 ns 4
Concat with replace exp_stddev 2.95 ns 2.95 ns 4
Concat with replace exp_cv 1.25 % 1.26 % 4
----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e;_mean 2.15 ns 2.15 ns 4
std::string e;_median 2.15 ns 2.15 ns 4
std::string e;_stddev 0.011 ns 0.011 ns 4
std::string e;_cv 0.49 % 0.49 % 4
std::string_view e;_mean 0.740 ns 0.740 ns 4
std::string_view e;_median 0.736 ns 0.736 ns 4
std::string_view e;_stddev 0.010 ns 0.010 ns 4
std::string_view e;_cv 1.30 % 1.30 % 4
ssa e;_mean 0.378 ns 0.378 ns 4
ssa e;_median 0.376 ns 0.376 ns 4
ssa e;_stddev 0.010 ns 0.010 ns 4
ssa e;_cv 2.62 % 2.62 % 4
stringa e;_mean 2.15 ns 2.15 ns 4
stringa e;_median 2.16 ns 2.16 ns 4
stringa e;_stddev 0.021 ns 0.021 ns 4
stringa e;_cv 0.99 % 0.99 % 4
lstringa<20> e;_mean 2.20 ns 2.20 ns 4
lstringa<20> e;_median 2.20 ns 2.20 ns 4
lstringa<20> e;_stddev 0.028 ns 0.028 ns 4
lstringa<20> e;_cv 1.27 % 1.27 % 4
lstringa<40> e;_mean 2.20 ns 2.20 ns 4
lstringa<40> e;_median 2.21 ns 2.21 ns 4
lstringa<40> e;_stddev 0.027 ns 0.027 ns 4
lstringa<40> e;_cv 1.21 % 1.21 % 4
----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text";_mean 2.47 ns 2.47 ns 4
std::string e = "Test text";_median 2.47 ns 2.47 ns 4
std::string e = "Test text";_stddev 0.048 ns 0.048 ns 4
std::string e = "Test text";_cv 1.96 % 1.96 % 4
std::string_view e = "Test text";_mean 1.12 ns 1.12 ns 4
std::string_view e = "Test text";_median 1.12 ns 1.12 ns 4
std::string_view e = "Test text";_stddev 0.023 ns 0.023 ns 4
std::string_view e = "Test text";_cv 2.03 % 2.03 % 4
ssa e = "Test text";_mean 0.744 ns 0.744 ns 4
ssa e = "Test text";_median 0.732 ns 0.732 ns 4
ssa e = "Test text";_stddev 0.026 ns 0.026 ns 4
ssa e = "Test text";_cv 3.53 % 3.53 % 4
stringa e = "Test text";_mean 2.19 ns 2.19 ns 4
stringa e = "Test text";_median 2.19 ns 2.19 ns 4
stringa e = "Test text";_stddev 0.014 ns 0.014 ns 4
stringa e = "Test text";_cv 0.66 % 0.66 % 4
lstringa<20> e = "Test text";_mean 2.63 ns 2.63 ns 4
lstringa<20> e = "Test text";_median 2.64 ns 2.64 ns 4
lstringa<20> e = "Test text";_stddev 0.019 ns 0.019 ns 4
lstringa<20> e = "Test text";_cv 0.71 % 0.71 % 4
lstringa<40> e = "Test text";_mean 2.61 ns 2.61 ns 4
lstringa<40> e = "Test text";_median 2.61 ns 2.61 ns 4
lstringa<40> e = "Test text";_stddev 0.027 ns 0.027 ns 4
lstringa<40> e = "Test text";_cv 1.05 % 1.05 % 4
----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890";_mean 21.8 ns 21.8 ns 4
std::string e = "123456789012345678901234567890";_median 21.9 ns 21.9 ns 4
std::string e = "123456789012345678901234567890";_stddev 0.330 ns 0.329 ns 4
std::string e = "123456789012345678901234567890";_cv 1.51 % 1.51 % 4
std::string_view e = "123456789012345678901234567890";_mean 1.10 ns 1.10 ns 4
std::string_view e = "123456789012345678901234567890";_median 1.10 ns 1.10 ns 4
std::string_view e = "123456789012345678901234567890";_stddev 0.010 ns 0.010 ns 4
std::string_view e = "123456789012345678901234567890";_cv 0.93 % 0.93 % 4
ssa e = "123456789012345678901234567890";_mean 0.741 ns 0.741 ns 4
ssa e = "123456789012345678901234567890";_median 0.739 ns 0.739 ns 4
ssa e = "123456789012345678901234567890";_stddev 0.007 ns 0.007 ns 4
ssa e = "123456789012345678901234567890";_cv 0.93 % 0.93 % 4
stringa e = "123456789012345678901234567890";_mean 2.22 ns 2.22 ns 4
stringa e = "123456789012345678901234567890";_median 2.21 ns 2.21 ns 4
stringa e = "123456789012345678901234567890";_stddev 0.039 ns 0.039 ns 4
stringa e = "123456789012345678901234567890";_cv 1.76 % 1.76 % 4
lstringa<20> e = "123456789012345678901234567890";_mean 22.0 ns 22.0 ns 4
lstringa<20> e = "123456789012345678901234567890";_median 21.9 ns 21.9 ns 4
lstringa<20> e = "123456789012345678901234567890";_stddev 0.303 ns 0.303 ns 4
lstringa<20> e = "123456789012345678901234567890";_cv 1.38 % 1.38 % 4
lstringa<40> e = "123456789012345678901234567890";_mean 2.98 ns 2.98 ns 4
lstringa<40> e = "123456789012345678901234567890";_median 2.97 ns 2.97 ns 4
lstringa<40> e = "123456789012345678901234567890";_stddev 0.042 ns 0.042 ns 4
lstringa<40> e = "123456789012345678901234567890";_cv 1.40 % 1.40 % 4
----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "Test text"; auto c{e};_mean 3.72 ns 3.72 ns 4
std::string e = "Test text"; auto c{e};_median 3.70 ns 3.70 ns 4
std::string e = "Test text"; auto c{e};_stddev 0.073 ns 0.073 ns 4
std::string e = "Test text"; auto c{e};_cv 1.97 % 1.97 % 4
std::string_view e = "Test text"; auto c{e};_mean 1.10 ns 1.10 ns 4
std::string_view e = "Test text"; auto c{e};_median 1.10 ns 1.10 ns 4
std::string_view e = "Test text"; auto c{e};_stddev 0.016 ns 0.016 ns 4
std::string_view e = "Test text"; auto c{e};_cv 1.43 % 1.43 % 4
ssa e = "Test text"; auto c{e};_mean 1.11 ns 1.11 ns 4
ssa e = "Test text"; auto c{e};_median 1.11 ns 1.11 ns 4
ssa e = "Test text"; auto c{e};_stddev 0.016 ns 0.016 ns 4
ssa e = "Test text"; auto c{e};_cv 1.44 % 1.43 % 4
stringa e = "Test text"; auto c{e};_mean 2.53 ns 2.53 ns 4
stringa e = "Test text"; auto c{e};_median 2.53 ns 2.53 ns 4
stringa e = "Test text"; auto c{e};_stddev 0.004 ns 0.004 ns 4
stringa e = "Test text"; auto c{e};_cv 0.15 % 0.15 % 4
lstringa<20> e = "Test text"; auto c{e};_mean 4.17 ns 4.17 ns 4
lstringa<20> e = "Test text"; auto c{e};_median 4.17 ns 4.17 ns 4
lstringa<20> e = "Test text"; auto c{e};_stddev 0.031 ns 0.031 ns 4
lstringa<20> e = "Test text"; auto c{e};_cv 0.75 % 0.75 % 4
lstringa<40> e = "Test text"; auto c{e};_mean 4.49 ns 4.49 ns 4
lstringa<40> e = "Test text"; auto c{e};_median 4.49 ns 4.49 ns 4
lstringa<40> e = "Test text"; auto c{e};_stddev 0.079 ns 0.079 ns 4
lstringa<40> e = "Test text"; auto c{e};_cv 1.77 % 1.77 % 4
----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string e = "123456789012345678901234567890"; auto c{e};_mean 46.5 ns 46.5 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_median 45.8 ns 45.8 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.47 ns 1.47 ns 4
std::string e = "123456789012345678901234567890"; auto c{e};_cv 3.17 % 3.17 % 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.11 ns 1.12 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.12 ns 1.12 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.019 ns 0.019 ns 4
std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.69 % 1.69 % 4
ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.750 ns 0.750 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_median 0.750 ns 0.750 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4
ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.22 % 1.22 % 4
stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.21 ns 2.21 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_median 2.20 ns 2.20 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.033 ns 0.033 ns 4
stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.48 % 1.48 % 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 21.2 ns 21.2 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 21.2 ns 21.2 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.522 ns 0.522 ns 4
lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 2.46 % 2.46 % 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 15.8 ns 15.8 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 15.7 ns 15.7 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.213 ns 0.213 ns 4
lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 1.35 % 1.35 % 4
----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
sz::string::find;_mean 125 ns 125 ns 4
sz::string::find;_median 125 ns 125 ns 4
sz::string::find;_stddev 0.709 ns 0.709 ns 4
sz::string::find;_cv 0.57 % 0.57 % 4
std::string::find;_mean 40.8 ns 40.8 ns 4
std::string::find;_median 40.7 ns 40.7 ns 4
std::string::find;_stddev 0.562 ns 0.562 ns 4
std::string::find;_cv 1.38 % 1.38 % 4
std::string_view::find;_mean 41.2 ns 41.2 ns 4
std::string_view::find;_median 40.6 ns 40.6 ns 4
std::string_view::find;_stddev 1.36 ns 1.36 ns 4
std::string_view::find;_cv 3.31 % 3.31 % 4
ssa::find;_mean 40.6 ns 40.6 ns 4
ssa::find;_median 40.5 ns 40.5 ns 4
ssa::find;_stddev 0.597 ns 0.597 ns 4
ssa::find;_cv 1.47 % 1.47 % 4
stringa::find;_mean 41.2 ns 41.2 ns 4
stringa::find;_median 41.1 ns 41.1 ns 4
stringa::find;_stddev 0.538 ns 0.537 ns 4
stringa::find;_cv 1.30 % 1.30 % 4
lstringa<20>::find;_mean 39.8 ns 39.8 ns 4
lstringa<20>::find;_median 40.0 ns 40.0 ns 4
lstringa<20>::find;_stddev 0.572 ns 0.572 ns 4
lstringa<20>::find;_cv 1.44 % 1.44 % 4
lstringa<40>::find;_mean 39.7 ns 39.7 ns 4
lstringa<40>::find;_median 39.5 ns 39.5 ns 4
lstringa<40>::find;_stddev 0.736 ns 0.737 ns 4
lstringa<40>::find;_cv 1.86 % 1.86 % 4
------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string copy{str_with_len_N};/15_mean 52.3 ns 52.3 ns 4
std::string copy{str_with_len_N};/15_median 52.7 ns 52.7 ns 4
std::string copy{str_with_len_N};/15_stddev 1.46 ns 1.46 ns 4
std::string copy{str_with_len_N};/15_cv 2.79 % 2.80 % 4
std::string copy{str_with_len_N};/16_mean 53.0 ns 53.0 ns 4
std::string copy{str_with_len_N};/16_median 52.9 ns 52.9 ns 4
std::string copy{str_with_len_N};/16_stddev 1.28 ns 1.28 ns 4
std::string copy{str_with_len_N};/16_cv 2.42 % 2.42 % 4
std::string copy{str_with_len_N};/23_mean 52.5 ns 52.5 ns 4
std::string copy{str_with_len_N};/23_median 53.0 ns 53.0 ns 4
std::string copy{str_with_len_N};/23_stddev 1.61 ns 1.61 ns 4
std::string copy{str_with_len_N};/23_cv 3.07 % 3.07 % 4
std::string copy{str_with_len_N};/24_mean 51.6 ns 51.6 ns 4
std::string copy{str_with_len_N};/24_median 51.8 ns 51.8 ns 4
std::string copy{str_with_len_N};/24_stddev 0.532 ns 0.531 ns 4
std::string copy{str_with_len_N};/24_cv 1.03 % 1.03 % 4
std::string copy{str_with_len_N};/32_mean 53.9 ns 53.9 ns 4
std::string copy{str_with_len_N};/32_median 54.1 ns 54.1 ns 4
std::string copy{str_with_len_N};/32_stddev 0.490 ns 0.490 ns 4
std::string copy{str_with_len_N};/32_cv 0.91 % 0.91 % 4
std::string copy{str_with_len_N};/64_mean 54.4 ns 54.4 ns 4
std::string copy{str_with_len_N};/64_median 54.4 ns 54.4 ns 4
std::string copy{str_with_len_N};/64_stddev 0.482 ns 0.482 ns 4
std::string copy{str_with_len_N};/64_cv 0.89 % 0.89 % 4
std::string copy{str_with_len_N};/128_mean 59.7 ns 59.7 ns 4
std::string copy{str_with_len_N};/128_median 56.7 ns 56.7 ns 4
std::string copy{str_with_len_N};/128_stddev 6.91 ns 6.91 ns 4
std::string copy{str_with_len_N};/128_cv 11.58 % 11.58 % 4
std::string copy{str_with_len_N};/256_mean 73.8 ns 73.8 ns 4
std::string copy{str_with_len_N};/256_median 74.3 ns 74.3 ns 4
std::string copy{str_with_len_N};/256_stddev 8.94 ns 8.94 ns 4
std::string copy{str_with_len_N};/256_cv 12.12 % 12.12 % 4
std::string copy{str_with_len_N};/512_mean 81.2 ns 81.2 ns 4
std::string copy{str_with_len_N};/512_median 82.6 ns 82.6 ns 4
std::string copy{str_with_len_N};/512_stddev 9.69 ns 9.69 ns 4
std::string copy{str_with_len_N};/512_cv 11.94 % 11.94 % 4
std::string copy{str_with_len_N};/1024_mean 93.3 ns 93.3 ns 4
std::string copy{str_with_len_N};/1024_median 93.4 ns 93.4 ns 4
std::string copy{str_with_len_N};/1024_stddev 1.97 ns 1.97 ns 4
std::string copy{str_with_len_N};/1024_cv 2.11 % 2.11 % 4
std::string copy{str_with_len_N};/2048_mean 109 ns 109 ns 4
std::string copy{str_with_len_N};/2048_median 110 ns 110 ns 4
std::string copy{str_with_len_N};/2048_stddev 2.09 ns 2.09 ns 4
std::string copy{str_with_len_N};/2048_cv 1.92 % 1.92 % 4
std::string copy{str_with_len_N};/4096_mean 165 ns 165 ns 4
std::string copy{str_with_len_N};/4096_median 165 ns 165 ns 4
std::string copy{str_with_len_N};/4096_stddev 2.73 ns 2.73 ns 4
std::string copy{str_with_len_N};/4096_cv 1.65 % 1.65 % 4
stringa copy{str_with_len_N};/15_mean 2.46 ns 2.46 ns 4
stringa copy{str_with_len_N};/15_median 2.45 ns 2.45 ns 4
stringa copy{str_with_len_N};/15_stddev 0.085 ns 0.085 ns 4
stringa copy{str_with_len_N};/15_cv 3.46 % 3.46 % 4
stringa copy{str_with_len_N};/16_mean 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/16_median 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/16_stddev 0.050 ns 0.050 ns 4
stringa copy{str_with_len_N};/16_cv 1.09 % 1.09 % 4
stringa copy{str_with_len_N};/23_mean 4.54 ns 4.54 ns 4
stringa copy{str_with_len_N};/23_median 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/23_stddev 0.024 ns 0.024 ns 4
stringa copy{str_with_len_N};/23_cv 0.54 % 0.54 % 4
stringa copy{str_with_len_N};/24_mean 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/24_median 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/24_stddev 0.034 ns 0.034 ns 4
stringa copy{str_with_len_N};/24_cv 0.75 % 0.75 % 4
stringa copy{str_with_len_N};/32_mean 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/32_median 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/32_stddev 0.064 ns 0.064 ns 4
stringa copy{str_with_len_N};/32_cv 1.41 % 1.41 % 4
stringa copy{str_with_len_N};/64_mean 4.56 ns 4.56 ns 4
stringa copy{str_with_len_N};/64_median 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/64_stddev 0.059 ns 0.059 ns 4
stringa copy{str_with_len_N};/64_cv 1.29 % 1.29 % 4
stringa copy{str_with_len_N};/128_mean 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/128_median 4.55 ns 4.55 ns 4
stringa copy{str_with_len_N};/128_stddev 0.060 ns 0.060 ns 4
stringa copy{str_with_len_N};/128_cv 1.32 % 1.32 % 4
stringa copy{str_with_len_N};/256_mean 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/256_median 4.56 ns 4.56 ns 4
stringa copy{str_with_len_N};/256_stddev 0.043 ns 0.043 ns 4
stringa copy{str_with_len_N};/256_cv 0.95 % 0.95 % 4
stringa copy{str_with_len_N};/512_mean 4.60 ns 4.60 ns 4
stringa copy{str_with_len_N};/512_median 4.58 ns 4.58 ns 4
stringa copy{str_with_len_N};/512_stddev 0.051 ns 0.051 ns 4
stringa copy{str_with_len_N};/512_cv 1.10 % 1.10 % 4
stringa copy{str_with_len_N};/1024_mean 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/1024_median 4.56 ns 4.56 ns 4
stringa copy{str_with_len_N};/1024_stddev 0.052 ns 0.052 ns 4
stringa copy{str_with_len_N};/1024_cv 1.14 % 1.14 % 4
stringa copy{str_with_len_N};/2048_mean 4.56 ns 4.56 ns 4
stringa copy{str_with_len_N};/2048_median 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/2048_stddev 0.045 ns 0.045 ns 4
stringa copy{str_with_len_N};/2048_cv 0.98 % 0.98 % 4
stringa copy{str_with_len_N};/4096_mean 4.57 ns 4.57 ns 4
stringa copy{str_with_len_N};/4096_median 4.59 ns 4.59 ns 4
stringa copy{str_with_len_N};/4096_stddev 0.055 ns 0.055 ns 4
stringa copy{str_with_len_N};/4096_cv 1.20 % 1.20 % 4
lstringa<16> copy{str_with_len_N};/15_mean 4.14 ns 4.14 ns 4
lstringa<16> copy{str_with_len_N};/15_median 4.12 ns 4.12 ns 4
lstringa<16> copy{str_with_len_N};/15_stddev 0.074 ns 0.074 ns 4
lstringa<16> copy{str_with_len_N};/15_cv 1.78 % 1.78 % 4
lstringa<16> copy{str_with_len_N};/16_mean 16.9 ns 16.9 ns 4
lstringa<16> copy{str_with_len_N};/16_median 16.5 ns 16.5 ns 4
lstringa<16> copy{str_with_len_N};/16_stddev 0.839 ns 0.839 ns 4
lstringa<16> copy{str_with_len_N};/16_cv 4.97 % 4.97 % 4
lstringa<16> copy{str_with_len_N};/23_mean 36.0 ns 36.0 ns 4
lstringa<16> copy{str_with_len_N};/23_median 36.0 ns 36.0 ns 4
lstringa<16> copy{str_with_len_N};/23_stddev 0.556 ns 0.556 ns 4
lstringa<16> copy{str_with_len_N};/23_cv 1.55 % 1.55 % 4
lstringa<16> copy{str_with_len_N};/24_mean 37.0 ns 37.0 ns 4
lstringa<16> copy{str_with_len_N};/24_median 37.0 ns 37.0 ns 4
lstringa<16> copy{str_with_len_N};/24_stddev 0.240 ns 0.240 ns 4
lstringa<16> copy{str_with_len_N};/24_cv 0.65 % 0.65 % 4
lstringa<16> copy{str_with_len_N};/32_mean 38.0 ns 38.0 ns 4
lstringa<16> copy{str_with_len_N};/32_median 37.8 ns 37.8 ns 4
lstringa<16> copy{str_with_len_N};/32_stddev 0.985 ns 0.985 ns 4
lstringa<16> copy{str_with_len_N};/32_cv 2.60 % 2.60 % 4
lstringa<16> copy{str_with_len_N};/64_mean 38.3 ns 38.3 ns 4
lstringa<16> copy{str_with_len_N};/64_median 38.3 ns 38.3 ns 4
lstringa<16> copy{str_with_len_N};/64_stddev 0.332 ns 0.332 ns 4
lstringa<16> copy{str_with_len_N};/64_cv 0.87 % 0.87 % 4
lstringa<16> copy{str_with_len_N};/128_mean 38.8 ns 38.8 ns 4
lstringa<16> copy{str_with_len_N};/128_median 38.4 ns 38.4 ns 4
lstringa<16> copy{str_with_len_N};/128_stddev 0.889 ns 0.889 ns 4
lstringa<16> copy{str_with_len_N};/128_cv 2.29 % 2.29 % 4
lstringa<16> copy{str_with_len_N};/256_mean 62.4 ns 62.4 ns 4
lstringa<16> copy{str_with_len_N};/256_median 66.7 ns 66.7 ns 4
lstringa<16> copy{str_with_len_N};/256_stddev 10.1 ns 10.1 ns 4
lstringa<16> copy{str_with_len_N};/256_cv 16.21 % 16.21 % 4
lstringa<16> copy{str_with_len_N};/512_mean 66.7 ns 66.7 ns 4
lstringa<16> copy{str_with_len_N};/512_median 69.9 ns 69.9 ns 4
lstringa<16> copy{str_with_len_N};/512_stddev 11.9 ns 11.9 ns 4
lstringa<16> copy{str_with_len_N};/512_cv 17.82 % 17.82 % 4
lstringa<16> copy{str_with_len_N};/1024_mean 78.8 ns 78.8 ns 4
lstringa<16> copy{str_with_len_N};/1024_median 78.5 ns 78.5 ns 4
lstringa<16> copy{str_with_len_N};/1024_stddev 3.36 ns 3.36 ns 4
lstringa<16> copy{str_with_len_N};/1024_cv 4.27 % 4.27 % 4
lstringa<16> copy{str_with_len_N};/2048_mean 94.8 ns 94.8 ns 4
lstringa<16> copy{str_with_len_N};/2048_median 94.8 ns 94.8 ns 4
lstringa<16> copy{str_with_len_N};/2048_stddev 0.570 ns 0.570 ns 4
lstringa<16> copy{str_with_len_N};/2048_cv 0.60 % 0.60 % 4
lstringa<16> copy{str_with_len_N};/4096_mean 146 ns 146 ns 4
lstringa<16> copy{str_with_len_N};/4096_median 146 ns 146 ns 4
lstringa<16> copy{str_with_len_N};/4096_stddev 2.30 ns 2.30 ns 4
lstringa<16> copy{str_with_len_N};/4096_cv 1.57 % 1.57 % 4
lstringa<512> copy{str_with_len_N};/15_mean 4.06 ns 4.06 ns 4
lstringa<512> copy{str_with_len_N};/15_median 4.06 ns 4.06 ns 4
lstringa<512> copy{str_with_len_N};/15_stddev 0.038 ns 0.038 ns 4
lstringa<512> copy{str_with_len_N};/15_cv 0.94 % 0.94 % 4
lstringa<512> copy{str_with_len_N};/16_mean 15.1 ns 15.1 ns 4
lstringa<512> copy{str_with_len_N};/16_median 15.1 ns 15.1 ns 4
lstringa<512> copy{str_with_len_N};/16_stddev 0.210 ns 0.210 ns 4
lstringa<512> copy{str_with_len_N};/16_cv 1.40 % 1.40 % 4
lstringa<512> copy{str_with_len_N};/23_mean 15.1 ns 15.1 ns 4
lstringa<512> copy{str_with_len_N};/23_median 15.2 ns 15.2 ns 4
lstringa<512> copy{str_with_len_N};/23_stddev 0.322 ns 0.322 ns 4
lstringa<512> copy{str_with_len_N};/23_cv 2.13 % 2.13 % 4
lstringa<512> copy{str_with_len_N};/24_mean 15.2 ns 15.2 ns 4
lstringa<512> copy{str_with_len_N};/24_median 15.2 ns 15.2 ns 4
lstringa<512> copy{str_with_len_N};/24_stddev 0.357 ns 0.357 ns 4
lstringa<512> copy{str_with_len_N};/24_cv 2.34 % 2.34 % 4
lstringa<512> copy{str_with_len_N};/32_mean 16.9 ns 16.9 ns 4
lstringa<512> copy{str_with_len_N};/32_median 17.0 ns 17.0 ns 4
lstringa<512> copy{str_with_len_N};/32_stddev 0.320 ns 0.320 ns 4
lstringa<512> copy{str_with_len_N};/32_cv 1.90 % 1.90 % 4
lstringa<512> copy{str_with_len_N};/64_mean 17.9 ns 17.9 ns 4
lstringa<512> copy{str_with_len_N};/64_median 18.1 ns 18.1 ns 4
lstringa<512> copy{str_with_len_N};/64_stddev 0.618 ns 0.618 ns 4
lstringa<512> copy{str_with_len_N};/64_cv 3.46 % 3.46 % 4
lstringa<512> copy{str_with_len_N};/128_mean 18.2 ns 18.2 ns 4
lstringa<512> copy{str_with_len_N};/128_median 18.2 ns 18.2 ns 4
lstringa<512> copy{str_with_len_N};/128_stddev 0.466 ns 0.466 ns 4
lstringa<512> copy{str_with_len_N};/128_cv 2.56 % 2.56 % 4
lstringa<512> copy{str_with_len_N};/256_mean 20.8 ns 20.8 ns 4
lstringa<512> copy{str_with_len_N};/256_median 21.0 ns 21.0 ns 4
lstringa<512> copy{str_with_len_N};/256_stddev 0.540 ns 0.540 ns 4
lstringa<512> copy{str_with_len_N};/256_cv 2.59 % 2.59 % 4
lstringa<512> copy{str_with_len_N};/512_mean 24.0 ns 24.0 ns 4
lstringa<512> copy{str_with_len_N};/512_median 24.0 ns 24.0 ns 4
lstringa<512> copy{str_with_len_N};/512_stddev 0.374 ns 0.374 ns 4
lstringa<512> copy{str_with_len_N};/512_cv 1.56 % 1.56 % 4
lstringa<512> copy{str_with_len_N};/1024_mean 78.6 ns 78.6 ns 4
lstringa<512> copy{str_with_len_N};/1024_median 77.5 ns 77.5 ns 4
lstringa<512> copy{str_with_len_N};/1024_stddev 2.75 ns 2.75 ns 4
lstringa<512> copy{str_with_len_N};/1024_cv 3.49 % 3.49 % 4
lstringa<512> copy{str_with_len_N};/2048_mean 95.8 ns 95.8 ns 4
lstringa<512> copy{str_with_len_N};/2048_median 95.7 ns 95.7 ns 4
lstringa<512> copy{str_with_len_N};/2048_stddev 2.32 ns 2.32 ns 4
lstringa<512> copy{str_with_len_N};/2048_cv 2.42 % 2.42 % 4
lstringa<512> copy{str_with_len_N};/4096_mean 146 ns 146 ns 4
lstringa<512> copy{str_with_len_N};/4096_median 146 ns 146 ns 4
lstringa<512> copy{str_with_len_N};/4096_stddev 1.96 ns 1.96 ns 4
lstringa<512> copy{str_with_len_N};/4096_cv 1.34 % 1.34 % 4
----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 91.7 ns 91.7 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 91.5 ns 91.5 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 1.23 ns 1.23 ns 4
std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.34 % 1.34 % 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 0.739 ns 0.739 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 0.740 ns 0.740 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.006 ns 0.006 ns 4
std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 0.86 % 0.86 % 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 20.4 ns 20.4 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 20.4 ns 20.4 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.133 ns 0.133 ns 4
stringa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 0.65 % 0.65 % 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 16.2 ns 16.2 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.2 ns 16.2 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.183 ns 0.183 ns 4
ssa s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.13 % 1.13 % 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_mean 16.1 ns 16.1 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_median 16.1 ns 16.1 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_stddev 0.297 ns 0.297 ns 4
lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>_cv 1.84 % 1.84 % 4
----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 67.2 ns 67.2 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 67.2 ns 67.2 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.233 ns 0.233 ns 4
std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 0.35 % 0.35 % 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 18.3 ns 18.3 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 18.3 ns 18.3 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.264 ns 0.263 ns 4
std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.44 % 1.44 % 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 17.2 ns 17.2 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 17.3 ns 17.3 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.309 ns 0.309 ns 4
stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.79 % 1.79 % 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.7 ns 16.7 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.6 ns 16.6 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.184 ns 0.184 ns 4
ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 1.10 % 1.10 % 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_mean 16.1 ns 16.1 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_median 16.0 ns 16.0 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_stddev 0.330 ns 0.330 ns 4
lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>_cv 2.04 % 2.04 % 4
----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 97.3 ns 97.3 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 97.6 ns 97.6 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 1.28 ns 1.28 ns 4
std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.32 % 1.32 % 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_mean 13.7 ns 13.7 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_median 13.7 ns 13.7 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_stddev 0.061 ns 0.061 ns 4
stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow_cv 0.44 % 0.44 % 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_mean 15.0 ns 15.0 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_median 15.0 ns 15.0 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_stddev 0.408 ns 0.407 ns 4
ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow_cv 2.71 % 2.71 % 4
----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 298 ns 298 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 297 ns 297 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 4.44 ns 4.45 ns 4
std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 1.49 % 1.49 % 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 108 ns 108 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 108 ns 108 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.57 ns 1.57 ns 4
std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.45 % 1.45 % 4
ssa s = "1234.567e10"; double res = *s.to_double()_mean 42.2 ns 42.2 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_median 42.3 ns 42.3 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.399 ns 0.399 ns 4
ssa s = "1234.567e10"; double res = *s.to_double()_cv 0.95 % 0.95 % 4
-- Append const literal of 16 bytes 64 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << "abbaabbaabbaabba";_mean 6499 ns 6499 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_median 6469 ns 6469 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 189 ns 189 ns 4
std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.90 % 2.90 % 4
std::string str; ... str += "abbaabbaabbaabba";_mean 815 ns 815 ns 4
std::string str; ... str += "abbaabbaabbaabba";_median 820 ns 820 ns 4
std::string str; ... str += "abbaabbaabbaabba";_stddev 20.2 ns 20.2 ns 4
std::string str; ... str += "abbaabbaabbaabba";_cv 2.48 % 2.48 % 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 794 ns 794 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_median 793 ns 793 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 94.1 ns 94.1 ns 4
lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 11.84 % 11.84 % 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 620 ns 620 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_median 615 ns 615 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 22.6 ns 22.6 ns 4
lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 3.65 % 3.65 % 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 401 ns 401 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_median 405 ns 405 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 14.1 ns 14.1 ns 4
lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 3.52 % 3.52 % 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 335 ns 335 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 335 ns 335 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 4.51 ns 4.52 ns 4
lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.35 % 1.35 % 4
-- Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 7163 ns 7163 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 7211 ns 7211 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 153 ns 153 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.14 % 2.14 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 2186 ns 2186 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_median 2185 ns 2185 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 40.6 ns 40.6 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.86 % 1.86 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 890 ns 890 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 892 ns 892 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 31.5 ns 31.5 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.54 % 3.54 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 864 ns 864 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 843 ns 843 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 72.7 ns 72.7 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 8.42 % 8.42 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 722 ns 722 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 723 ns 723 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 6.78 ns 6.79 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.94 % 0.94 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 639 ns 639 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 637 ns 637 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 18.2 ns 18.3 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.85 % 2.86 % 4
-- Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 348509 ns 348511 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 346178 ns 346180 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 6563 ns 6565 ns 4
std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.88 % 1.88 % 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 120123 ns 120124 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 119443 ns 119443 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2307 ns 2307 ns 4
std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.92 % 1.92 % 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 44146 ns 44146 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 44022 ns 44023 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 746 ns 746 ns 4
lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.69 % 1.69 % 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 44572 ns 44572 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 44629 ns 44629 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 793 ns 793 ns 4
lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.78 % 1.78 % 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 44298 ns 44298 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 44441 ns 44441 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 777 ns 777 ns 4
lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.75 % 1.75 % 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 44327 ns 44327 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 44235 ns 44235 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 660 ns 660 ns 4
lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.49 % 1.49 % 4
-- Append 2 string of 16 bytes 32 times, 1024 total length --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; ... str << str_var1 << str_var2;_mean 7317 ns 7317 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_median 7276 ns 7276 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_stddev 187 ns 187 ns 4
std::stringstream str; ... str << str_var1 << str_var2;_cv 2.55 % 2.55 % 4
std::string str; ... str += str_var1 + str_var2;_mean 2607 ns 2607 ns 4
std::string str; ... str += str_var1 + str_var2;_median 2588 ns 2588 ns 4
std::string str; ... str += str_var1 + str_var2;_stddev 76.9 ns 77.0 ns 4
std::string str; ... str += str_var1 + str_var2;_cv 2.95 % 2.95 % 4
lstringa<16> str; ... str += str_var1 + str_var2;_mean 1132 ns 1132 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_median 1125 ns 1125 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_stddev 24.3 ns 24.3 ns 4
lstringa<16> str; ... str += str_var1 + str_var2;_cv 2.15 % 2.15 % 4
lstringa<128> str; ... str += str_var1 + str_var2;_mean 1062 ns 1062 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_median 1062 ns 1062 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_stddev 10.9 ns 10.9 ns 4
lstringa<128> str; ... str += str_var1 + str_var2;_cv 1.03 % 1.03 % 4
lstringa<512> str; ... str += str_var1 + str_var2;_mean 914 ns 914 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_median 917 ns 917 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_stddev 16.5 ns 16.5 ns 4
lstringa<512> str; ... str += str_var1 + str_var2;_cv 1.81 % 1.81 % 4
lstringa<1024> str; ... str += str_var1 + str_var2;_mean 829 ns 829 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_median 829 ns 829 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 14.6 ns 14.6 ns 4
lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.76 % 1.76 % 4
-- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::stringstream str; str << "test = " << k << " times";_mean 11412 ns 11412 ns 4
std::stringstream str; str << "test = " << k << " times";_median 11465 ns 11465 ns 4
std::stringstream str; str << "test = " << k << " times";_stddev 153 ns 153 ns 4
std::stringstream str; str << "test = " << k << " times";_cv 1.34 % 1.34 % 4
std::string str = "test = " + std::to_string(k) + " times";_mean 1772 ns 1772 ns 4
std::string str = "test = " + std::to_string(k) + " times";_median 1755 ns 1755 ns 4
std::string str = "test = " + std::to_string(k) + " times";_stddev 99.1 ns 99.1 ns 4
std::string str = "test = " + std::to_string(k) + " times";_cv 5.59 % 5.59 % 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 5285 ns 5285 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 5294 ns 5294 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 36.6 ns 36.6 ns 4
char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 0.69 % 0.69 % 4
std::string str = std::format("test = {} times", k);_mean 2834 ns 2834 ns 4
std::string str = std::format("test = {} times", k);_median 2832 ns 2832 ns 4
std::string str = std::format("test = {} times", k);_stddev 37.0 ns 37.0 ns 4
std::string str = std::format("test = {} times", k);_cv 1.30 % 1.30 % 4
lstringa<8> str; str.format("test = {} times", k);_mean 4681 ns 4681 ns 4
lstringa<8> str; str.format("test = {} times", k);_median 4678 ns 4678 ns 4
lstringa<8> str; str.format("test = {} times", k);_stddev 65.6 ns 65.6 ns 4
lstringa<8> str; str.format("test = {} times", k);_cv 1.40 % 1.40 % 4
lstringa<32> str; str.format("test = {} times", k);_mean 4054 ns 4054 ns 4
lstringa<32> str; str.format("test = {} times", k);_median 4047 ns 4047 ns 4
lstringa<32> str; str.format("test = {} times", k);_stddev 105 ns 105 ns 4
lstringa<32> str; str.format("test = {} times", k);_cv 2.59 % 2.59 % 4
lstringa<8> str = "test = " + k + " times";_mean 555 ns 555 ns 4
lstringa<8> str = "test = " + k + " times";_median 546 ns 546 ns 4
lstringa<8> str = "test = " + k + " times";_stddev 29.0 ns 29.0 ns 4
lstringa<8> str = "test = " + k + " times";_cv 5.22 % 5.22 % 4
lstringa<32> str = "test = " + k + " times";_mean 339 ns 339 ns 4
lstringa<32> str = "test = " + k + " times";_median 341 ns 341 ns 4
lstringa<32> str = "test = " + k + " times";_stddev 10.3 ns 10.3 ns 4
lstringa<32> str = "test = " + k + " times";_cv 3.03 % 3.03 % 4
stringa str = "test = " + k + " times";_mean 511 ns 511 ns 4
stringa str = "test = " + k + " times";_median 512 ns 512 ns 4
stringa str = "test = " + k + " times";_stddev 30.8 ns 30.8 ns 4
stringa str = "test = " + k + " times";_cv 6.01 % 6.01 % 4
-- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000
std::string::find + substr + std::strtol_mean 660 ns 660 ns 4
std::string::find + substr + std::strtol_median 660 ns 660 ns 4
std::string::find + substr + std::strtol_stddev 10.3 ns 10.3 ns 4
std::string::find + substr + std::strtol_cv 1.56 % 1.56 % 4
ssa::splitter + ssa::as_int_mean 245 ns 245 ns 4
ssa::splitter + ssa::as_int_median 244 ns 244 ns 4
ssa::splitter + ssa::as_int_stddev 3.30 ns 3.30 ns 4
ssa::splitter + ssa::as_int_cv 1.35 % 1.35 % 4
ssa::splitf + functor_mean 271 ns 271 ns 4
ssa::splitf + functor_median 268 ns 268 ns 4
ssa::splitf + functor_stddev 7.54 ns 7.54 ns 4
ssa::splitf + functor_cv 2.78 % 2.78 % 4
-- Replace symbols in text ~400 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Naive (and wrong) replace symbols with std::string find + replace_mean 2872 ns 2872 ns 4
Naive (and wrong) replace symbols with std::string find + replace_median 2855 ns 2855 ns 4
Naive (and wrong) replace symbols with std::string find + replace_stddev 93.5 ns 93.5 ns 4
Naive (and wrong) replace symbols with std::string find + replace_cv 3.25 % 3.26 % 4
replace symbols with std::string find_first_of + replace_mean 5223 ns 5223 ns 4
replace symbols with std::string find_first_of + replace_median 5241 ns 5241 ns 4
replace symbols with std::string find_first_of + replace_stddev 157 ns 157 ns 4
replace symbols with std::string find_first_of + replace_cv 3.01 % 3.01 % 4
replace symbols with std::string_view find_first_of + copy_mean 2704 ns 2704 ns 4
replace symbols with std::string_view find_first_of + copy_median 2721 ns 2721 ns 4
replace symbols with std::string_view find_first_of + copy_stddev 96.7 ns 96.7 ns 4
replace symbols with std::string_view find_first_of + copy_cv 3.58 % 3.57 % 4
replace runtime symbols with string expressions and without remembering all search results_mean 2675 ns 2675 ns 4
replace runtime symbols with string expressions and without remembering all search results_median 2681 ns 2681 ns 4
replace runtime symbols with string expressions and without remembering all search results_stddev 59.7 ns 59.7 ns 4
replace runtime symbols with string expressions and without remembering all search results_cv 2.23 % 2.23 % 4
replace runtime symbols with simstr and memorization of all search results_mean 2107 ns 2107 ns 4
replace runtime symbols with simstr and memorization of all search results_median 2118 ns 2118 ns 4
replace runtime symbols with simstr and memorization of all search results_stddev 57.8 ns 57.8 ns 4
replace runtime symbols with simstr and memorization of all search results_cv 2.74 % 2.74 % 4
replace const symbols with string expressions and without remembering all search results_mean 2227 ns 2227 ns 4
replace const symbols with string expressions and without remembering all search results_median 2210 ns 2210 ns 4
replace const symbols with string expressions and without remembering all search results_stddev 56.1 ns 56.1 ns 4
replace const symbols with string expressions and without remembering all search results_cv 2.52 % 2.52 % 4
replace const symbols with string expressions and memorization of all search results_mean 1872 ns 1872 ns 4
replace const symbols with string expressions and memorization of all search results_median 1874 ns 1874 ns 4
replace const symbols with string expressions and memorization of all search results_stddev 23.9 ns 23.9 ns 4
replace const symbols with string expressions and memorization of all search results_cv 1.27 % 1.27 % 4
-- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000
Short Naive (and wrong) replace symbols with std::string find + replace_mean 472 ns 472 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_median 472 ns 472 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_stddev 8.01 ns 8.00 ns 4
Short Naive (and wrong) replace symbols with std::string find + replace_cv 1.70 % 1.70 % 4
Short replace symbols with std::string find_first_of + replace_mean 718 ns 718 ns 4
Short replace symbols with std::string find_first_of + replace_median 717 ns 717 ns 4
Short replace symbols with std::string find_first_of + replace_stddev 18.4 ns 18.4 ns 4
Short replace symbols with std::string find_first_of + replace_cv 2.57 % 2.57 % 4
Short replace symbols with std::string_view find_first_of + copy_mean 433 ns 433 ns 4
Short replace symbols with std::string_view find_first_of + copy_median 438 ns 438 ns 4
Short replace symbols with std::string_view find_first_of + copy_stddev 15.1 ns 15.1 ns 4
Short replace symbols with std::string_view find_first_of + copy_cv 3.49 % 3.49 % 4
Short replace runtime symbols with string expressions and without remembering all search results_mean 378 ns 378 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_median 374 ns 374 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_stddev 11.6 ns 11.6 ns 4
Short replace runtime symbols with string expressions and without remembering all search results_cv 3.07 % 3.07 % 4
Short replace runtime symbols with simstr and memorization of all search results_mean 391 ns 391 ns 4
Short replace runtime symbols with simstr and memorization of all search results_median 389 ns 389 ns 4
Short replace runtime symbols with simstr and memorization of all search results_stddev 8.66 ns 8.66 ns 4
Short replace runtime symbols with simstr and memorization of all search results_cv 2.22 % 2.22 % 4
Short replace const symbols with string expressions and without remembering all search results_mean 271 ns 271 ns 4
Short replace const symbols with string expressions and without remembering all search results_median 274 ns 274 ns 4
Short replace const symbols with string expressions and without remembering all search results_stddev 10.6 ns 10.6 ns 4
Short replace const symbols with string expressions and without remembering all search results_cv 3.91 % 3.91 % 4
Short replace const symbols with string expressions and memorization of all search results_mean 294 ns 294 ns 4
Short replace const symbols with string expressions and memorization of all search results_median 296 ns 296 ns 4
Short replace const symbols with string expressions and memorization of all search results_stddev 6.16 ns 6.16 ns 4
Short replace const symbols with string expressions and memorization of all search results_cv 2.09 % 2.09 % 4
----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to ---- in std::string|64_mean 363 ns 363 ns 4
replace bb to ---- in std::string|64_median 363 ns 363 ns 4
replace bb to ---- in std::string|64_stddev 17.7 ns 17.7 ns 4
replace bb to ---- in std::string|64_cv 4.89 % 4.89 % 4
replace bb to ---- in std::string|256_mean 1189 ns 1189 ns 4
replace bb to ---- in std::string|256_median 1176 ns 1176 ns 4
replace bb to ---- in std::string|256_stddev 42.3 ns 42.3 ns 4
replace bb to ---- in std::string|256_cv 3.56 % 3.56 % 4
replace bb to ---- in std::string|512_mean 2210 ns 2210 ns 4
replace bb to ---- in std::string|512_median 2215 ns 2215 ns 4
replace bb to ---- in std::string|512_stddev 90.9 ns 90.9 ns 4
replace bb to ---- in std::string|512_cv 4.12 % 4.12 % 4
replace bb to ---- in std::string|1024_mean 4756 ns 4756 ns 4
replace bb to ---- in std::string|1024_median 4774 ns 4774 ns 4
replace bb to ---- in std::string|1024_stddev 235 ns 235 ns 4
replace bb to ---- in std::string|1024_cv 4.94 % 4.94 % 4
replace bb to ---- in std::string|2048_mean 11109 ns 11109 ns 4
replace bb to ---- in std::string|2048_median 11132 ns 11132 ns 4
replace bb to ---- in std::string|2048_stddev 260 ns 260 ns 4
replace bb to ---- in std::string|2048_cv 2.34 % 2.34 % 4
replace bb to ---- in lstringa<8>|64_mean 292 ns 292 ns 4
replace bb to ---- in lstringa<8>|64_median 292 ns 292 ns 4
replace bb to ---- in lstringa<8>|64_stddev 13.1 ns 13.1 ns 4
replace bb to ---- in lstringa<8>|64_cv 4.49 % 4.49 % 4
replace bb to ---- in lstringa<8>|256_mean 913 ns 913 ns 4
replace bb to ---- in lstringa<8>|256_median 918 ns 918 ns 4
replace bb to ---- in lstringa<8>|256_stddev 27.9 ns 27.9 ns 4
replace bb to ---- in lstringa<8>|256_cv 3.06 % 3.06 % 4
replace bb to ---- in lstringa<8>|512_mean 1685 ns 1685 ns 4
replace bb to ---- in lstringa<8>|512_median 1682 ns 1682 ns 4
replace bb to ---- in lstringa<8>|512_stddev 31.6 ns 31.6 ns 4
replace bb to ---- in lstringa<8>|512_cv 1.88 % 1.88 % 4
replace bb to ---- in lstringa<8>|1024_mean 3100 ns 3100 ns 4
replace bb to ---- in lstringa<8>|1024_median 3052 ns 3052 ns 4
replace bb to ---- in lstringa<8>|1024_stddev 117 ns 117 ns 4
replace bb to ---- in lstringa<8>|1024_cv 3.77 % 3.77 % 4
replace bb to ---- in lstringa<8>|2048_mean 6119 ns 6119 ns 4
replace bb to ---- in lstringa<8>|2048_median 6220 ns 6220 ns 4
replace bb to ---- in lstringa<8>|2048_stddev 316 ns 316 ns 4
replace bb to ---- in lstringa<8>|2048_cv 5.16 % 5.16 % 4
replace bb to ---- by init stringa|64_mean 187 ns 187 ns 4
replace bb to ---- by init stringa|64_median 184 ns 184 ns 4
replace bb to ---- by init stringa|64_stddev 13.2 ns 13.2 ns 4
replace bb to ---- by init stringa|64_cv 7.05 % 7.05 % 4
replace bb to ---- by init stringa|256_mean 580 ns 580 ns 4
replace bb to ---- by init stringa|256_median 591 ns 591 ns 4
replace bb to ---- by init stringa|256_stddev 28.6 ns 28.6 ns 4
replace bb to ---- by init stringa|256_cv 4.94 % 4.94 % 4
replace bb to ---- by init stringa|512_mean 1341 ns 1341 ns 4
replace bb to ---- by init stringa|512_median 1340 ns 1340 ns 4
replace bb to ---- by init stringa|512_stddev 12.1 ns 12.1 ns 4
replace bb to ---- by init stringa|512_cv 0.90 % 0.90 % 4
replace bb to ---- by init stringa|1024_mean 2813 ns 2813 ns 4
replace bb to ---- by init stringa|1024_median 2828 ns 2828 ns 4
replace bb to ---- by init stringa|1024_stddev 55.7 ns 55.7 ns 4
replace bb to ---- by init stringa|1024_cv 1.98 % 1.98 % 4
replace bb to ---- by init stringa|2048_mean 5550 ns 5550 ns 4
replace bb to ---- by init stringa|2048_median 5503 ns 5503 ns 4
replace bb to ---- by init stringa|2048_stddev 133 ns 133 ns 4
replace bb to ---- by init stringa|2048_cv 2.39 % 2.39 % 4
----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
replace bb to -- in std::string|64_mean 243 ns 243 ns 4
replace bb to -- in std::string|64_median 242 ns 242 ns 4
replace bb to -- in std::string|64_stddev 4.47 ns 4.47 ns 4
replace bb to -- in std::string|64_cv 1.84 % 1.84 % 4
replace bb to -- in std::string|256_mean 814 ns 814 ns 4
replace bb to -- in std::string|256_median 817 ns 817 ns 4
replace bb to -- in std::string|256_stddev 30.9 ns 30.9 ns 4
replace bb to -- in std::string|256_cv 3.79 % 3.79 % 4
replace bb to -- in std::string|512_mean 1542 ns 1542 ns 4
replace bb to -- in std::string|512_median 1548 ns 1548 ns 4
replace bb to -- in std::string|512_stddev 58.0 ns 58.0 ns 4
replace bb to -- in std::string|512_cv 3.76 % 3.76 % 4
replace bb to -- in std::string|1024_mean 2825 ns 2825 ns 4
replace bb to -- in std::string|1024_median 2823 ns 2823 ns 4
replace bb to -- in std::string|1024_stddev 73.7 ns 73.7 ns 4
replace bb to -- in std::string|1024_cv 2.61 % 2.61 % 4
replace bb to -- in std::string|2048_mean 5545 ns 5545 ns 4
replace bb to -- in std::string|2048_median 5553 ns 5553 ns 4
replace bb to -- in std::string|2048_stddev 80.6 ns 80.6 ns 4
replace bb to -- in std::string|2048_cv 1.45 % 1.45 % 4
replace bb to -- in lstringa<8>|64_mean 192 ns 192 ns 4
replace bb to -- in lstringa<8>|64_median 192 ns 192 ns 4
replace bb to -- in lstringa<8>|64_stddev 2.88 ns 2.88 ns 4
replace bb to -- in lstringa<8>|64_cv 1.50 % 1.50 % 4
replace bb to -- in lstringa<8>|256_mean 636 ns 636 ns 4
replace bb to -- in lstringa<8>|256_median 636 ns 636 ns 4
replace bb to -- in lstringa<8>|256_stddev 5.38 ns 5.37 ns 4
replace bb to -- in lstringa<8>|256_cv 0.85 % 0.84 % 4
replace bb to -- in lstringa<8>|512_mean 1150 ns 1150 ns 4
replace bb to -- in lstringa<8>|512_median 1131 ns 1131 ns 4
replace bb to -- in lstringa<8>|512_stddev 42.8 ns 42.8 ns 4
replace bb to -- in lstringa<8>|512_cv 3.72 % 3.72 % 4
replace bb to -- in lstringa<8>|1024_mean 2296 ns 2296 ns 4
replace bb to -- in lstringa<8>|1024_median 2292 ns 2292 ns 4
replace bb to -- in lstringa<8>|1024_stddev 64.2 ns 64.2 ns 4
replace bb to -- in lstringa<8>|1024_cv 2.80 % 2.80 % 4
replace bb to -- in lstringa<8>|2048_mean 4237 ns 4237 ns 4
replace bb to -- in lstringa<8>|2048_median 4236 ns 4236 ns 4
replace bb to -- in lstringa<8>|2048_stddev 67.5 ns 67.4 ns 4
replace bb to -- in lstringa<8>|2048_cv 1.59 % 1.59 % 4
replace bb to -- by init stringa|64_mean 136 ns 136 ns 4
replace bb to -- by init stringa|64_median 137 ns 137 ns 4
replace bb to -- by init stringa|64_stddev 3.83 ns 3.84 ns 4
replace bb to -- by init stringa|64_cv 2.81 % 2.81 % 4
replace bb to -- by init stringa|256_mean 464 ns 464 ns 4
replace bb to -- by init stringa|256_median 468 ns 468 ns 4
replace bb to -- by init stringa|256_stddev 10.2 ns 10.2 ns 4
replace bb to -- by init stringa|256_cv 2.20 % 2.20 % 4
replace bb to -- by init stringa|512_mean 838 ns 838 ns 4
replace bb to -- by init stringa|512_median 843 ns 843 ns 4
replace bb to -- by init stringa|512_stddev 11.5 ns 11.5 ns 4
replace bb to -- by init stringa|512_cv 1.37 % 1.37 % 4
replace bb to -- by init stringa|1024_mean 1620 ns 1620 ns 4
replace bb to -- by init stringa|1024_median 1616 ns 1616 ns 4
replace bb to -- by init stringa|1024_stddev 45.0 ns 45.0 ns 4
replace bb to -- by init stringa|1024_cv 2.78 % 2.78 % 4
replace bb to -- by init stringa|2048_mean 2774 ns 2774 ns 4
replace bb to -- by init stringa|2048_median 2790 ns 2790 ns 4
replace bb to -- by init stringa|2048_stddev 87.5 ns 87.5 ns 4
replace bb to -- by init stringa|2048_cv 3.16 % 3.15 % 4
----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
hashStrMapA<size_t> emplace & find stringa;_mean 3271665 ns 3271682 ns 4
hashStrMapA<size_t> emplace & find stringa;_median 3273789 ns 3273823 ns 4
hashStrMapA<size_t> emplace & find stringa;_stddev 31230 ns 31230 ns 4
hashStrMapA<size_t> emplace & find stringa;_cv 0.95 % 0.95 % 4
std::unordered_map<std::string, size_t> emplace & find std::string;_mean 3592775 ns 3592795 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_median 3597592 ns 3597618 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_stddev 44741 ns 44725 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string;_cv 1.25 % 1.24 % 4
hashStrMapA<size_t> emplace & find ssa;_mean 3244867 ns 3244884 ns 4
hashStrMapA<size_t> emplace & find ssa;_median 3239181 ns 3239192 ns 4
hashStrMapA<size_t> emplace & find ssa;_stddev 17436 ns 17437 ns 4
hashStrMapA<size_t> emplace & find ssa;_cv 0.54 % 0.54 % 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_mean 4041903 ns 4041917 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_median 4036025 ns 4036025 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_stddev 24855 ns 24882 ns 4
std::unordered_map<std::string, size_t> emplace & find std::string_view;_cv 0.61 % 0.62 % 4
----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
Build func full name std::string;_mean 3162 ns 3162 ns 4
Build func full name std::string;_median 3147 ns 3147 ns 4
Build func full name std::string;_stddev 52.6 ns 52.5 ns 4
Build func full name std::string;_cv 1.66 % 1.66 % 4
Build func full name std::string 1;_mean 3363 ns 3363 ns 4
Build func full name std::string 1;_median 3372 ns 3372 ns 4
Build func full name std::string 1;_stddev 87.9 ns 87.9 ns 4
Build func full name std::string 1;_cv 2.61 % 2.61 % 4
Build func full name std::stream;_mean 11876 ns 11876 ns 4
Build func full name std::stream;_median 11928 ns 11928 ns 4
Build func full name std::stream;_stddev 311 ns 311 ns 4
Build func full name std::stream;_cv 2.62 % 2.62 % 4
Build func full name stringa;_mean 1461 ns 1461 ns 4
Build func full name stringa;_median 1472 ns 1472 ns 4
Build func full name stringa;_stddev 42.0 ns 42.0 ns 4
Build func full name stringa;_cv 2.87 % 2.87 % 4
Build func full name stringa 1;_mean 1910 ns 1910 ns 4
Build func full name stringa 1;_median 1889 ns 1889 ns 4
Build func full name stringa 1;_stddev 57.7 ns 57.7 ns 4
Build func full name stringa 1;_cv 3.02 % 3.02 % 4
----- Make Upper ---------/repeats:1 0.000 ns 0.000 ns 1000000000000
To upper case std::wstring_mean 204 ns 204 ns 4
To upper case std::wstring_median 204 ns 204 ns 4
To upper case std::wstring_stddev 1.85 ns 1.85 ns 4
To upper case std::wstring_cv 0.91 % 0.91 % 4
To upper case lstringw<15>_mean 63.1 ns 63.1 ns 4
To upper case lstringw<15>_median 62.9 ns 62.9 ns 4
To upper case lstringw<15>_stddev 0.872 ns 0.872 ns 4
To upper case lstringw<15>_cv 1.38 % 1.38 % 4

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@ -48,7 +48,7 @@ PROJECT_NAME = "simstr"
# could be handy for archiving the generated documentation or if some version # could be handy for archiving the generated documentation or if some version
# control system is used. # control system is used.
PROJECT_NUMBER = 1.6.0 PROJECT_NUMBER = 1.9.1
# Using the PROJECT_BRIEF tag one can provide an optional one line description # Using the PROJECT_BRIEF tag one can provide an optional one line description
# for a project that appears at the top of each page and should give viewers a # for a project that appears at the top of each page and should give viewers a
@ -2928,7 +2928,7 @@ MAX_DOT_GRAPH_DEPTH = 0
# Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output # Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output
# files in one run (i.e. multiple -o and -T options on the command line). This # files in one run (i.e. multiple -o and -T options on the command line). This
# makes dot run faster, but since only newer versions of dot (>1.8.10) support # makes dot run faster, but since only newer versions of dot (>1.8.20) support
# this, this feature is disabled by default. # this, this feature is disabled by default.
# The default value is: NO. # The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES. # This tag requires that the tag HAVE_DOT is set to YES.

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@ -48,7 +48,7 @@ PROJECT_NAME = "simstr"
# could be handy for archiving the generated documentation or if some version # could be handy for archiving the generated documentation or if some version
# control system is used. # control system is used.
PROJECT_NUMBER = 1.6.0 PROJECT_NUMBER = 1.9.1
# Using the PROJECT_BRIEF tag one can provide an optional one line description # Using the PROJECT_BRIEF tag one can provide an optional one line description
# for a project that appears at the top of each page and should give viewers a # for a project that appears at the top of each page and should give viewers a
@ -2928,7 +2928,7 @@ MAX_DOT_GRAPH_DEPTH = 0
# Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output # Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output
# files in one run (i.e. multiple -o and -T options on the command line). This # files in one run (i.e. multiple -o and -T options on the command line). This
# makes dot run faster, but since only newer versions of dot (>1.8.10) support # makes dot run faster, but since only newer versions of dot (>1.8.20) support
# this, this feature is disabled by default. # this, this feature is disabled by default.
# The default value is: NO. # The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES. # This tag requires that the tag HAVE_DOT is set to YES.

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@ -1,6 +1,6 @@
/* /*
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* ver. 1.6.0 * ver. 1.9.1
*/ */
#pragma once #pragma once

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@ -3,14 +3,14 @@
[![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml) [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
Version 1.6.0. Version 1.9.1
<h2>Speed up your work with strings by 2-10 times!</h2> <h2>Speed up your work with strings by 2-10 times!</h2>
This library contains a modern implementation of several types of string objects and various algorithms for working with strings. This library contains a modern implementation of several types of string objects and various algorithms for working with strings.
## Generated Documentation ## Generated Documentation
[Located here](https://orefkov.github.io/simstr/docs_ru/) [Located here](https://orefkov.github.io/simstr/docs_en/)
## Brief Description ## Brief Description
The goal of the library is to make working with strings in C++ as simple and easy as in many other languages, especially The goal of the library is to make working with strings in C++ as simple and easy as in many other languages, especially
@ -26,13 +26,14 @@ use in my work, trying to do it in the most efficient way, and I modestly hope t
and will be useful to other people, either directly or as a source of ideas. and will be useful to other people, either directly or as a source of ideas.
The library contains two parts: The library contains two parts:
- Implementation of [*"String Expressions"*](https://orefkov.github.io/simstr/docs_ru/overview.html#autotoc_md27) and algorithms for working - Implementation of [*"String Expressions"*](https://orefkov.github.io/simstr/articles/fast_concat.html) and algorithms for working
with constant strings.\ with constant strings.\
To use this part, just take the file `"include/simstr/strexpr.h"` and write in your code To use this part, just take the file `"include/simstr/strexpr.h"` and write in your code
```cpp ```cpp
#include "путь/к файлу/strexpr.h" #include "path/to file/strexpr.h"
``` ```
This will allow you to use powerful and fast *"string expressions"* for concatenation and string construction for standard string types (`std::basic_string`, `std::basic_string_view`), as well as simplified versions of the `simple_str` and This will allow you to use powerful and fast *"string expressions"* for concatenation and string construction for standard string types
(`std::basic_string`, `std::basic_string_view`), as well as simplified versions of the `simple_str` and
`simple_str_nt` classes, which implement all those string algorithms of the library that do not require storing or modifying strings. `simple_str_nt` classes, which implement all those string algorithms of the library that do not require storing or modifying strings.
Since this is a header-only part, it does not include working with UTF encodings and simplified Unicode. Since this is a header-only part, it does not include working with UTF encodings and simplified Unicode.
- The full version, requiring the connection of the entire library (`"include/simstr/sstring.h"`), adds its string types with - The full version, requiring the connection of the entire library (`"include/simstr/sstring.h"`), adds its string types with
@ -74,13 +75,15 @@ When using only `#include "simstr/strexpr.h"`:
for example `str::append(text, "count = "_ss + count)`. for example `str::append(text, "count = "_ss + count)`.
- str::replace - replaces occurrences of the search substring with a replacement string or string expression. - str::replace - replaces occurrences of the search substring with a replacement string or string expression.
If the substring is not found, the string expression is not even evaluated. If the substring is not found, the string expression is not even evaluated.
- Parsing integers with the possibility of "fine" tuning at compile time - you can set options for checking overflow, - str::make_ascii_upper, str::make_ascii_lower - change the case of ASCII characters.
skipping whitespace characters, a specific radix or auto-selection by prefixes `0x`, `0`, `0b`, `0o`, - Parsing of integers from a "piece of string" (does not require null termination) with the possibility of "fine" tuning during compilation -
the admissibility of the `+` sign. Parsing is implemented for all types of strings and characters. you can set options for checking for overflow, skipping whitespace characters, a specific radix, or auto-select by
- Parsing double for `char` and `wchar_t`, as well as character types compatible with them in size. prefixes `0x`, `0`, `0b`, `0o`, the `+` sign is allowed. Parsing is implemented for all types of strings and characters.
- Parsing double from a "piece of string" for `char` and `char8_t`.
When using the full version of the library: When using the full version of the library:
- Everything that is listed above, plus - Everything that is listed above, plus
- Parsing double from a "piece of string" for all types of characters.
- Additional efficient string objects - `sstring` (shared string), `lstring` (local string). - Additional efficient string objects - `sstring` (shared string), `lstring` (local string).
- `lstring` - supports many mutable operations with strings - various replacements, insertions, deletions, etc. - `lstring` - supports many mutable operations with strings - various replacements, insertions, deletions, etc.
Allows you to set the size for the internal character buffer, which can turn *Small String Optimization* into *Big String Optimization* :). Allows you to set the size for the internal character buffer, which can turn *Small String Optimization* into *Big String Optimization* :).
@ -108,8 +111,6 @@ the sizes of SSO buffers in objects are smaller.
On the [release page](https://github.com/orefkov/simstr/releases) you can download binary builds of benchmarks and run them on your equipment. On the [release page](https://github.com/orefkov/simstr/releases) you can download binary builds of benchmarks and run them on your equipment.
You can also run the [Emscripten build of benchmarks](https://orefkov.github.io/simstr/bench/benchStr.html) directly in the browser. You can also run the [Emscripten build of benchmarks](https://orefkov.github.io/simstr/bench/benchStr.html) directly in the browser.
(Before following the link, it is better to open "Developer Tools" (usually **F12**) in advance to see the console
Javascript, since the page will not be updated until the benchmarks are completed, and all output will be visible in the console).
- [Benchmark source code](bench/bench_str.cpp) - [Benchmark source code](bench/bench_str.cpp)
- [Benchmark results](https://orefkov.github.io/simstr/results.html) - [Benchmark results](https://orefkov.github.io/simstr/results.html)
@ -299,6 +300,7 @@ When connecting only `strexpr.h` - the types `simple_str<K>` and `simple_str_nt<
## Articles ## Articles
- [Overview and introduction](docs/overview.md) - [Overview and introduction](docs/overview.md)
- [So how do you quickly concatenate strings?](https://orefkov.github.io/simstr/articles/fast_concat.html)
- [Overview article on Habr](https://habr.com/ru/articles/935590) (on Russian) - [Overview article on Habr](https://habr.com/ru/articles/935590) (on Russian)
- [Description of the applied technique "Expression Templates"](https://habr.com/ru/articles/936468/)(on Russian) - [Description of the applied technique "Expression Templates"](https://habr.com/ru/articles/936468/)(on Russian)
@ -323,8 +325,8 @@ function(add_simstr)
simstr simstr
GIT_REPOSITORY https://github.com/orefkov/simstr.git GIT_REPOSITORY https://github.com/orefkov/simstr.git
GIT_SHALLOW TRUE GIT_SHALLOW TRUE
GIT_TAG tags/rel1.6.0 # Specify the desired release GIT_TAG tags/rel1.9.1# Specify the desired release
FIND_PACKAGE_ARGS NAMES simstr 1.6.0 FIND_PACKAGE_ARGS NAMES simstr 1.9.1
) )
FetchContent_MakeAvailable(simstr) FetchContent_MakeAvailable(simstr)
endfunction() endfunction()
@ -343,7 +345,7 @@ The work in WASM was also checked, built in Emscripten 4.0.6, Clang-21.
## Convenient Debugging ## Convenient Debugging
Along with the library, two files are supplied that make viewing simstr string objects in debuggers Along with the library, two files are supplied that make viewing simstr string objects in debuggers
more convenient.\ more convenient.\
More details are described [here](for_debug/readme_ru.md). More details are described [here](for_debug/readme.md).
## Where it is already used ## Where it is already used
Simstr is also used in my projects: Simstr is also used in my projects:

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@ -3,7 +3,7 @@
[![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml) [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
Версия 1.6.0. Версия 1.9.1
<h2>Ускорь работу со строками в 2-10 раз!</h2> <h2>Ускорь работу со строками в 2-10 раз!</h2>
@ -26,7 +26,7 @@
и пригодится другим людям, либо напрямую, либо как источник идей. и пригодится другим людям, либо напрямую, либо как источник идей.
Библиотека содержит две части: Библиотека содержит две части:
- Реализация [*"Строковых выражений"*](https://orefkov.github.io/simstr/docs_ru/overview.html#autotoc_md27) и алгоритмов работы - Реализация [*"Строковых выражений"*](https://orefkov.github.io/simstr/articles/fast_concat_ru.html) и алгоритмов работы
с константными строками.\ с константными строками.\
Для использования этой части достаточно просто взять файл `"include/simstr/strexpr.h"` и написать в своём коде Для использования этой части достаточно просто взять файл `"include/simstr/strexpr.h"` и написать в своём коде
```cpp ```cpp
@ -70,18 +70,21 @@
- Слияние (join) контейнеров строк в единую строку, с заданием разделителей и опций - "пропускать пустые", "разделитель после последней". - Слияние (join) контейнеров строк в единую строку, с заданием разделителей и опций - "пропускать пустые", "разделитель после последней".
- Разбиение (split) строк на части по заданному разделителю. Разбиение возможно сразу в контейнер со строками, либо вызовом функтора для - Разбиение (split) строк на части по заданному разделителю. Разбиение возможно сразу в контейнер со строками, либо вызовом функтора для
каждой подстроки, либо путем итерации с помощью итератора `Splitter`. каждой подстроки, либо путем итерации с помощью итератора `Splitter`.
- Создании копии со сменой регистра ASCII символов.
- Функции модификации стандартных строк строковыми выражениями: - Функции модификации стандартных строк строковыми выражениями:
- str::append, str::prepend, str::insert, str::change - меняют str::string строковыми выражениями, - str::append, str::prepend, str::insert, str::change - меняют str::string строковыми выражениями,
например `str::append(text, "count = "_ss + count)`. например `str::append(text, "count = "_ss + count)`.
- str::replace - заменяет вхождения искомой подстроки на строку замены или строковое выражение. - str::replace - заменяет вхождения искомой подстроки на строку замены или строковое выражение.
Если подстрока не найдена, строковое выражение даже не вычисляется. Если подстрока не найдена, строковое выражение даже не вычисляется.
- Парсинг целых чисел с возможностью "тонкой" настройки при компиляции - можно задавать опции проверки переполнения, - str::make_ascii_upper, str::make_ascii_lower - смена регистра ASCII символов.
пропуск пробельных символов, конкретное основание счисления либо автовыбор по префиксам `0x`, `0`, `0b`, `0o`, - Парсинг целых чисел из "куска строки" (не требует нуль-терминированности) с возможностью "тонкой" настройки при компиляции -
допустимость знака `+`. Парсинг реализован для всех видов строк и символов. можно задавать опции проверки переполнения, пропуск пробельных символов, конкретное основание счисления либо автовыбор по
- Парсинг double для `char` и `wchar_t`, а также совместимых с ними по размеру типов символов. префиксам `0x`, `0`, `0b`, `0o`, допустимость знака `+`. Парсинг реализован для всех видов строк и символов.
- Парсинг double из "куска строки" для `char` и `char8_t`.
При использовании полной версии библиотеки: При использовании полной версии библиотеки:
- Всё то же, что и перечислено выше, плюс - Всё то же, что и перечислено выше, плюс
- Парсинг double из "куска строки" для всех типов символов.
- Дополнительные эффективные строковые объекты - `sstring` (shared string), `lstring` (local string). - Дополнительные эффективные строковые объекты - `sstring` (shared string), `lstring` (local string).
- `lstring` - поддерживает множество мутабельных операций со строками - различные замены, вставки, удаления и т.п. - `lstring` - поддерживает множество мутабельных операций со строками - различные замены, вставки, удаления и т.п.
Позволяет задавать размер для внутреннего буфера символов, что может превращать *Small String Optimization* в *Big String Optimization* :). Позволяет задавать размер для внутреннего буфера символов, что может превращать *Small String Optimization* в *Big String Optimization* :).
@ -109,8 +112,6 @@ Windows и Linux (в WSL), с использованием компилятор
На [странице релизов](https://github.com/orefkov/simstr/releases) вы можете скачать бинарные сборки бенчмарков и запустить их на своём оборудовании. На [странице релизов](https://github.com/orefkov/simstr/releases) вы можете скачать бинарные сборки бенчмарков и запустить их на своём оборудовании.
Также вы можете запустить [Emscripten сборку бенчмарков](https://orefkov.github.io/simstr/bench/benchStr.html) прямо в браузере. Также вы можете запустить [Emscripten сборку бенчмарков](https://orefkov.github.io/simstr/bench/benchStr.html) прямо в браузере.
(Перед переходом по ссылке лучше предварительно откройте "Инструменты разработчика" (обычно **F12**), чтобы видеть консоль
Javascript, так как до окончания бенчмарков страница не будет обновляться, а весь вывод будет виден в консоли).
- [Исходный код бенчмарков](bench/bench_str.cpp) - [Исходный код бенчмарков](bench/bench_str.cpp)
- [Результаты бенчмарков](https://orefkov.github.io/simstr/results.html) - [Результаты бенчмарков](https://orefkov.github.io/simstr/results.html)
@ -300,6 +301,7 @@ int split_and_calc_total_sim(ssa numbers, ssa delimiter) {
## Статьи ## Статьи
- [Обзор и введение](docs/overview_ru.md) - [Обзор и введение](docs/overview_ru.md)
- [Так как же всё-таки быстро конкатенировать строки?](https://orefkov.github.io/simstr/articles/fast_concat_ru.html)
- [Обзорная статья на Хабре](https://habr.com/ru/articles/935590) - [Обзорная статья на Хабре](https://habr.com/ru/articles/935590)
- [Описание применяемой техники "Expression Templates"](https://habr.com/ru/articles/936468/) - [Описание применяемой техники "Expression Templates"](https://habr.com/ru/articles/936468/)
@ -324,8 +326,8 @@ function(add_simstr)
simstr simstr
GIT_REPOSITORY https://github.com/orefkov/simstr.git GIT_REPOSITORY https://github.com/orefkov/simstr.git
GIT_SHALLOW TRUE GIT_SHALLOW TRUE
GIT_TAG tags/rel1.6.0 # Укажите нужный релиз GIT_TAG tags/rel1.9.1# Укажите нужный релиз
FIND_PACKAGE_ARGS NAMES simstr 1.6.0 FIND_PACKAGE_ARGS NAMES simstr 1.9.1
) )
FetchContent_MakeAvailable(simstr) FetchContent_MakeAvailable(simstr)
endfunction() endfunction()

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@ -1,5 +1,5 @@
/* /*
* ver. 1.6.0 * ver. 1.9.1
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* Реализация строковых функций * Реализация строковых функций
* (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@ -187,9 +187,11 @@ inline u32s makeFoldU(u32s s) {
/* /*
* Поиск utf-8 symbols, которые меняют свою длину при upper/lower преобразовании * Поиск utf-8 symbols, которые меняют свою длину при upper/lower преобразовании
* вот они нашлись * вот они нашлись
* Search for utf-8 codepoints that change their code units length during upper/lower conversion
* here they are found
* "İiıIſSȺⱥȾⱦɐⱯɑⱭɫⱢɱⱮɽⱤẞßΙΩωkÅåⱢɫⱤɽⱥȺⱦȾⱭɑⱮɱⱯɐ" * "İiıIſSȺⱥȾⱦɐⱯɑⱭɫⱢɱⱮɽⱤẞßΙΩωkÅåⱢɫⱤɽⱥȺⱦȾⱭɑⱮɱⱯɐ"
l2u ıIſSɐⱯɑⱭɫⱢɱⱮɽⱤΙⱥȺⱦȾ l2u ıI ſS ɐ ɑ ɫ ɱ ɽ Ι Ⱥ Ⱦ
u2l İiȺⱥȾⱦẞßΩωkÅåⱢɫⱤɽⱭɑⱮɱⱯɐ u2l İi Ⱥ Ⱦ ß ω k å ɫ ɽ ɑ ɱ ɐ
void findStrange() { void findStrange() {
u16s badsL2U[100], * pBadslu = badsL2U; u16s badsL2U[100], * pBadslu = badsL2U;
u16s badsU2L[100], * pBadsul = badsU2L; u16s badsU2L[100], * pBadsul = badsU2L;
@ -248,7 +250,7 @@ size_t utf8_case_change(const u8s*& src, size_t len, u8s*& dest, size_t lenBuffe
// то есть если символ считан, и длина записываемого символа не больше считанного, то он поместится в буфер записи // то есть если символ считан, и длина записываемого символа не больше считанного, то он поместится в буфер записи
// и не перетрет символы, которые еще не прочитали // и не перетрет символы, которые еще не прочитали
// По другому работать откажемся // По другому работать откажемся
if (lenBuffer < len || (dest > src && dest < src + len)) if (dest > src && dest < src + len)
return len; return len;
const uu8s *beginReadPos = reinterpret_cast<const uu8s*>(src), *readPos = beginReadPos, *endReadPos = beginReadPos + len, const uu8s *beginReadPos = reinterpret_cast<const uu8s*>(src), *readPos = beginReadPos, *endReadPos = beginReadPos + len,
*readFromPos = readPos; *readFromPos = readPos;
@ -386,6 +388,32 @@ SIMSTR_API size_t unicode_traits<u8s>::lower(const u8s*& src, size_t len, u8s*&
return utf8_case_change<makeLowerU>(src, len, dest, lenBuffer); return utf8_case_change<makeLowerU>(src, len, dest, lenBuffer);
} }
SIMSTR_API size_t unicode_traits<u8s>::upper_len(const u8s* src, size_t len) {
size_t l = 0;
for (const uu8s *ptr = (const uu8s*)src, *start = ptr, *end = ptr + len; ptr < end; start = ptr) {
u32s s = readUtf8Symbol(ptr, end), su = makeUpperU(s);
if (s == su) {
l += ptr - start;
} else {
l += utf8len(su);
}
}
return l;
}
SIMSTR_API size_t unicode_traits<u8s>::lower_len(const u8s* src, size_t len) {
size_t l = 0;
for (const uu8s *ptr = (const uu8s*)src, *start = ptr, *end = ptr + len; ptr < end; start = ptr) {
u32s s = readUtf8Symbol(ptr, end), su = makeLowerU(s);
if (s == su) {
l += ptr - start;
} else {
l += utf8len(su);
}
}
return l;
}
template<auto Op> template<auto Op>
void utf16_change_case(const u16s* src, size_t len, u16s* dest) { void utf16_change_case(const u16s* src, size_t len, u16s* dest) {
if (dest != src) { if (dest != src) {

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@ -1,5 +1,5 @@
/* /*
* ver. 1.6.0 * ver. 1.9.1
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* Тесты simstr * Тесты simstr
* (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@ -8,7 +8,9 @@
#include "../include/simstr/strexpr.h" #include "../include/simstr/strexpr.h"
#include <gtest/gtest.h> #include <gtest/gtest.h>
#include <format>
#include <list> #include <list>
#include <array>
using namespace std::literals; using namespace std::literals;
@ -325,13 +327,147 @@ TEST(StrExpr, Concat) {
TEST(StrExpr, Subst) { TEST(StrExpr, Subst) {
const auto ttt = "test"_ss; const auto ttt = "test"_ss;
int ii = 3; int ii = 3;
std::string t = e_subst(S_FRM("Test {{--}} {}=, {}"), ttt, ii); std::string t = e_subst("Test {{--}} {}=, {}", ttt, ii);
EXPECT_EQ(t, "Test {--} test=, 3"); EXPECT_EQ(t, "Test {--} test=, 3");
t = e_subst(S_FRM("Test {2}={1}, {2}, {1}"), "test", 2); t = e_subst("Test {2}={1}, {2}, {1}", "test", 2);
EXPECT_EQ(t, "Test 2=test, 2, test"); EXPECT_EQ(t, "Test 2=test, 2, test");
std::u16string u16t = e_subst(S_FRM(u"Test {}={}, {}"), u"test", 2, u"test"sv); std::u16string u16t = e_subst(u"Test {}={}, {}", u"test", 2, u"test"sv);
EXPECT_EQ(u16t, u"Test test=2, test"); EXPECT_EQ(u16t, u"Test test=2, test");
} }
TEST(StrExpr, VSubst) {
const auto ttt = "test"_ss;
int ii = 3;
auto pattern = "Test {{--}} {}=, {}"_ss;
std::string t = e_vsubst(pattern, ttt, ii);
EXPECT_EQ(t, "Test {--} test=, 3");
t = e_vsubst("{1}-{1}-{1}-{1}-{1}-{1}-{1}-{1}"_ss, "abc");
EXPECT_EQ(t, "abc-abc-abc-abc-abc-abc-abc-abc");
}
TEST(StrExpr, EInt) {
std::string kk = eea + e_int<10, f::c | f::w<10> | f::f<'_'> | f::sp>(123);
EXPECT_EQ(kk, "___+123___");
std::u16string uk = eeu + e_int<2, f::p>(123);
EXPECT_EQ(uk, u"0b1111011");
kk = eea + e_int<2, f::p | f::w<11> | f::z>(123);
std::string kf = std::format("{:#011b}", 123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::z>(-123);
kf = std::format("{:#011b}", -123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::z | f::sp>(123);
kf = std::format("{:+#011b}", 123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::z | f::sp>(-123);
kf = std::format("{:+#011b}", -123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::z | f::ss>(123);
kf = std::format("{: #011b}", 123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::z | f::ss>(-123);
kf = std::format("{: #011b}", -123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::w<11> | f::r | f::f<'_'>| f::ss>(-123);
kf = std::format("{:_> 11b}", -123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::w<11> | f::r | f::f<'_'>| f::ss>(123);
kf = std::format("{:_> 11b}", 123);
EXPECT_EQ(kk, kf);
kk = eea + e_int<2, f::p | f::w<11> | f::r | f::f<'_'>| f::ss>(123);
kf = std::format("{:_> #11b}", 123);
EXPECT_EQ(kk, kf);
//EXPECT_EQ(kk, "0b001111011");
//std::cout << std::format("'{:+#011b}'\n", 123);
//std::cout << std::format("'{:+#011b}'\n", -123);
//EXPECT_EQ(kk, std::format("{:#011b}", -123));
std::u32string uu = eeuu + e_int<16, f::wp | f::p | f::u | f::z/* | f::r*/>(123, 9);
EXPECT_EQ(uu, U"0x000007B");
}
TEST(StrExpr, EIntFmt) {
std::string test = "'0x"_ss + 10 / 0x16E08_fmt + "' " + 10 / 0x11'8EF5f_fmt;
EXPECT_EQ(test, "'0x0000000A' _______A");
test = 100 / 0x2a010_fmt;
EXPECT_EQ(test, "0b01100100");
}
TEST(StrExpr, ChangeCase) {
std::string res = e_ascii_upper("teSt");
EXPECT_EQ(res, "TEST");
res = "/" + e_ascii_lower(res) + "/";
EXPECT_EQ(res, "/test/");
EXPECT_EQ(str::make_ascii_upper(res), "/TEST/");
str::make_ascii_lower(res, 1, 3);
EXPECT_EQ(res, "/teST/");
std::wstring wres = e_ascii_lower(L"TeSt"_ss);
EXPECT_EQ(wres, L"test");
std::u16string ures = u"/test/";
EXPECT_EQ(str::make_ascii_upper(ures), u"/TEST/");
str::make_ascii_lower(ures, 1, 3);
EXPECT_EQ(ures, u"/teST/");
}
TEST(StrExpr, StripPrefixSuffix) {
const ssa from = "begin--end";
EXPECT_EQ(*from.strip_prefix("begin"), "--end");
EXPECT_FALSE(from.strip_prefix("sd").has_value());
EXPECT_EQ(*from.strip_suffix_ia("End"), "begin--");
EXPECT_FALSE(from.strip_suffix("sd").has_value());
}
TEST(StrExpr, TrimPrefixSuffix) {
const ssa from = "beginbegin--end";
EXPECT_EQ(from.trimmed_prefix("begin"), "--end");
EXPECT_EQ(from.trimmed_prefix("begin", 1), "begin--end");
EXPECT_EQ(from.trimmed_prefix("sd"), from);
EXPECT_EQ(from.trimmed_suffix_ia("End"), "beginbegin--");
EXPECT_EQ(from.trimmed_suffix("sd"), from);
}
TEST(StrExpr, StartWithAnd) {
EXPECT_TRUE("begin --end"_ss.starts_with_and_ws("begin"));
EXPECT_FALSE("beginn --end"_ss.starts_with_and_ws("begin"));
EXPECT_TRUE("BegiN\t--end"_ss.starts_with_ia_and_ws("begin"_ss));
EXPECT_TRUE("begin[ --end"_ss.starts_with_and_oneof("begin", "/*[]"));
EXPECT_TRUE("Begin[ --end"_ss.starts_with_ia_and_oneof("begin", "/*[]"_ss));
}
TEST(SimStr, Get) {
ssa testa{"test"};
EXPECT_EQ(testa.get(1, to_end), "est");
EXPECT_EQ(testa.get(1, 2), "es");
EXPECT_EQ(testa.get(1, from_end(1)), "es");
EXPECT_EQ(testa.get(1, from_end(10)), "");
EXPECT_EQ(testa.get(from_end(3), from_end(1)), "es");
ssu testu{u"test"};
EXPECT_EQ(testu.get(1, to_end), u"est");
EXPECT_EQ(testu.get(1, 2), u"es");
EXPECT_EQ(testu.get(from_end(3), from_end(1)), u"es");
ssw testw{L"test"};
EXPECT_EQ(testw.get(1, to_end), L"est");
EXPECT_EQ(testw.get(1, 2), L"es");
EXPECT_EQ(testw.get(from_end(3), from_end(1)), L"es");
}
} // namespace simstr::tests } // namespace simstr::tests

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@ -1,5 +1,5 @@
/* /*
* ver. 1.6.0 * ver. 1.9.1
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* Тесты simstr * Тесты simstr
* (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@ -24,6 +24,9 @@ public:
size_t sharedCount() const { size_t sharedCount() const {
return type_ == Shared ? SharedStringData<u8s>::from_str(sstr_)->ref_.load() : 0u; return type_ == Shared ? SharedStringData<u8s>::from_str(sstr_)->ref_.load() : 0u;
} }
size_t sharedCountForce() const {
return SharedStringData<u8s>::from_str(sstr_)->ref_.load();
}
}; };
TEST(SimStr, CreateSimpleEmpty) { TEST(SimStr, CreateSimpleEmpty) {
@ -271,6 +274,7 @@ TEST(SimStr, SimpleFind) {
EXPECT_EQ("abccccc"_ss.find_last("ab"), 0); EXPECT_EQ("abccccc"_ss.find_last("ab"), 0);
} }
#if 0
TEST(SimStr, SubPiece) { TEST(SimStr, SubPiece) {
ssa testa{"test"}; ssa testa{"test"};
EXPECT_EQ(testa(1), "est"); EXPECT_EQ(testa(1), "est");
@ -286,39 +290,83 @@ TEST(SimStr, SubPiece) {
EXPECT_EQ(testw(1), L"est"); EXPECT_EQ(testw(1), L"est");
EXPECT_EQ(testw(1, 2), L"es"); EXPECT_EQ(testw(1, 2), L"es");
} }
#endif
TEST(SimStr, Get) {
ssa testa{"test"};
EXPECT_EQ(testa.get(1, to_end), "est");
EXPECT_EQ(testa.get(1, 2), "es");
EXPECT_EQ(testa.get(1, from_end(1)), "es");
EXPECT_EQ(testa.get(1, from_end(10)), "");
ssu testu{u"test"};
EXPECT_EQ(testu.get(1, to_end), u"est");
EXPECT_EQ(testu.get(1, 2), u"es");
ssw testw{L"test"};
EXPECT_EQ(testw.get(1, to_end), L"est");
EXPECT_EQ(testw.get(1, 2), L"es");
}
TEST(SimStr, SimpleSubstr) { TEST(SimStr, SimpleSubstr) {
ssa testa = "test"; ssa testa = "test";
#if 0
EXPECT_EQ(testa.substr(1, 0), "est"); EXPECT_EQ(testa.substr(1, 0), "est");
EXPECT_EQ(testa.substr(1, 2), "es"); EXPECT_EQ(testa.substr(1, 2), "es");
EXPECT_EQ(testa.substr(0, -1), "tes"); EXPECT_EQ(testa.substr(0, -1), "tes");
EXPECT_EQ(testa.substr(-2), "st"); EXPECT_EQ(testa.substr(-2), "st");
EXPECT_EQ(testa.substr(-3, 2), "es"); EXPECT_EQ(testa.substr(-3, 2), "es");
EXPECT_EQ(testa.substr(-3, -1), "es"); EXPECT_EQ(testa.substr(-3, -1), "es");
#endif
EXPECT_EQ(testa.sub(1, to_end), "est");
EXPECT_EQ(testa.sub(1, 2), "es");
EXPECT_EQ(testa.sub(0, from_end(1)), "tes");
EXPECT_EQ(testa.sub(from_end(2), to_end), "st");
EXPECT_EQ(testa.sub(from_end(3), 2), "es");
EXPECT_EQ(testa.sub(from_end(3), from_end(1)), "es");
EXPECT_EQ(testa.str_mid(1), "est"); EXPECT_EQ(testa.str_mid(1), "est");
EXPECT_EQ(testa.str_mid(1, 0), ""); EXPECT_EQ(testa.str_mid(1, 0), "");
EXPECT_EQ(testa.str_mid(1, 2), "es"); EXPECT_EQ(testa.str_mid(1, 2), "es");
EXPECT_EQ(testa.str_mid(2, 2), "st"); EXPECT_EQ(testa.str_mid(2, 2), "st");
ssu testu = u"test"; ssu testu = u"test";
#if 0
EXPECT_EQ(testu.substr(1, 0), u"est"); EXPECT_EQ(testu.substr(1, 0), u"est");
EXPECT_EQ(testu.substr(1, 2), u"es"); EXPECT_EQ(testu.substr(1, 2), u"es");
EXPECT_EQ(testu.substr(0, -1), u"tes"); EXPECT_EQ(testu.substr(0, -1), u"tes");
EXPECT_EQ(testu.substr(-2), u"st"); EXPECT_EQ(testu.substr(-2), u"st");
EXPECT_EQ(testu.substr(-3, 2), u"es"); EXPECT_EQ(testu.substr(-3, 2), u"es");
EXPECT_EQ(testu.substr(-3, -1), u"es"); EXPECT_EQ(testu.substr(-3, -1), u"es");
#endif
EXPECT_EQ(testu.sub(1, to_end), u"est");
EXPECT_EQ(testu.sub(1, 2), u"es");
EXPECT_EQ(testu.sub(0, from_end(1)), u"tes");
EXPECT_EQ(testu.sub(from_end(2), to_end), u"st");
EXPECT_EQ(testu.sub(from_end(3), 2), u"es");
EXPECT_EQ(testu.sub(from_end(3), from_end(1)), u"es");
EXPECT_EQ(testu.str_mid(1), u"est"); EXPECT_EQ(testu.str_mid(1), u"est");
EXPECT_EQ(testu.str_mid(1, 0), u""); EXPECT_EQ(testu.str_mid(1, 0), u"");
EXPECT_EQ(testu.str_mid(1, 2), u"es"); EXPECT_EQ(testu.str_mid(1, 2), u"es");
EXPECT_EQ(testu.str_mid(2, 2), u"st"); EXPECT_EQ(testu.str_mid(2, 2), u"st");
ssw testw = L"test"; ssw testw = L"test";
#if 0
EXPECT_EQ(testw.substr(1, 0), L"est"); EXPECT_EQ(testw.substr(1, 0), L"est");
EXPECT_EQ(testw.substr(1, 2), L"es"); EXPECT_EQ(testw.substr(1, 2), L"es");
EXPECT_EQ(testw.substr(0, -1), L"tes"); EXPECT_EQ(testw.substr(0, -1), L"tes");
EXPECT_EQ(testw.substr(-2), L"st"); EXPECT_EQ(testw.substr(-2), L"st");
EXPECT_EQ(testw.substr(-3, 2), L"es"); EXPECT_EQ(testw.substr(-3, 2), L"es");
EXPECT_EQ(testw.substr(-3, -1), L"es"); EXPECT_EQ(testw.substr(-3, -1), L"es");
#endif
EXPECT_EQ(testw.sub(1, to_end), L"est");
EXPECT_EQ(testw.sub(1, 2), L"es");
EXPECT_EQ(testw.sub(0, from_end(1)), L"tes");
EXPECT_EQ(testw.sub(from_end(2), to_end), L"st");
EXPECT_EQ(testw.sub(from_end(3), 2), L"es");
EXPECT_EQ(testw.sub(from_end(3), from_end(1)), L"es");
EXPECT_EQ(testw.str_mid(1), L"est"); EXPECT_EQ(testw.str_mid(1), L"est");
EXPECT_EQ(testw.str_mid(1, 0), L""); EXPECT_EQ(testw.str_mid(1, 0), L"");
EXPECT_EQ(testw.str_mid(1, 2), L"es"); EXPECT_EQ(testw.str_mid(1, 2), L"es");
@ -327,7 +375,7 @@ TEST(SimStr, SimpleSubstr) {
TEST(SimStr, ToInt) { TEST(SimStr, ToInt) {
EXPECT_EQ(ssa{" 123"}.as_int<int>(), 123); EXPECT_EQ(ssa{" 123"}.as_int<int>(), 123);
EXPECT_EQ(ssa{" 123"}(0, -1).as_int<int>(), 12); EXPECT_EQ(ssa{" 123"}.get(0, from_end(1)).as_int<int>(), 12);
EXPECT_EQ(ssa{"+123"}.as_int<int>(), 123); EXPECT_EQ(ssa{"+123"}.as_int<int>(), 123);
EXPECT_EQ(ssa{" -123aa"}.as_int<int>(), -123); EXPECT_EQ(ssa{" -123aa"}.as_int<int>(), -123);
EXPECT_EQ(ssa{"123"}.as_int<size_t>(), 123u); EXPECT_EQ(ssa{"123"}.as_int<size_t>(), 123u);
@ -484,6 +532,8 @@ TEST(SimStr, ToInt) {
TEST(SimStr, to_double) { TEST(SimStr, to_double) {
EXPECT_EQ(ssa{" 123"}.to_double(), 123.0); EXPECT_EQ(ssa{" 123"}.to_double(), 123.0);
EXPECT_EQ(ssa{" 123.1"}.to_double(), 123.1); EXPECT_EQ(ssa{" 123.1"}.to_double(), 123.1);
EXPECT_EQ(ssb{u8" 123"}.to_double(), 123.0);
EXPECT_EQ(ssb{u8" 123.1"}.to_double(), 123.1);
EXPECT_EQ(ssu{u" 123.13434"}.to_double(), 123.13434); EXPECT_EQ(ssu{u" 123.13434"}.to_double(), 123.13434);
EXPECT_EQ(ssuu{U" 123.13434"}.to_double(), 123.13434); EXPECT_EQ(ssuu{U" 123.13434"}.to_double(), 123.13434);
EXPECT_EQ(ssw{L" 123.13434"}.to_double(), 123.13434); EXPECT_EQ(ssw{L" 123.13434"}.to_double(), 123.13434);
@ -808,7 +858,7 @@ TEST(SimStr, AssignSstring) {
EXPECT_EQ(test = ssa{"other"}, "other"); EXPECT_EQ(test = ssa{"other"}, "other");
EXPECT_EQ(test = stringa{"trtr"_ss + 10}, "trtr10"); EXPECT_EQ(test = stringa{"trtr"_ss + 10}, "trtr10");
EXPECT_EQ(test = "trtr"_ss + 20, "trtr20"); EXPECT_EQ(test = "trtr"_ss + 20, "trtr20");
EXPECT_EQ(test = test(2), "tr20"); EXPECT_EQ(test = test.get(2, to_end), "tr20");
EXPECT_EQ(test = lstringa<10>{"func"}, "func"); EXPECT_EQ(test = lstringa<10>{"func"}, "func");
EXPECT_EQ(test = lstringsa<10>{"func"}, "func"); EXPECT_EQ(test = lstringsa<10>{"func"}, "func");
lstringsa<10> sample{15, "1234"}; lstringsa<10> sample{15, "1234"};
@ -937,10 +987,10 @@ TEST(SimStr, LStringAssign) {
test = lstringa<1>{"next step"}; test = lstringa<1>{"next step"};
EXPECT_EQ(test, "next step"); EXPECT_EQ(test, "next step");
test = test(0); test = test.get(0, to_end);
EXPECT_EQ(test, "next step"); EXPECT_EQ(test, "next step");
test = test(1, 2); test = test.get(1, 2);
EXPECT_EQ(test, "ex"); EXPECT_EQ(test, "ex");
test = e_c(100, 'a'); test = e_c(100, 'a');
@ -958,13 +1008,23 @@ TEST(SimStr, LStringAssign) {
TEST(SimStr, UtfConvert) { TEST(SimStr, UtfConvert) {
EXPECT_EQ(stringa{ssu{u"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{ssu{u"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{ssb{u8"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{ssw{L"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{ssw{L"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{stringu{u"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{stringu{u"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{stringw{L"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{stringw{L"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{lstringu<40>{u"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{lstringu<40>{u"testпройден"}}, "testпройден");
EXPECT_EQ(stringa{lstringw<40>{L"testпройден"}}, "testпройден"); EXPECT_EQ(stringa{lstringw<40>{L"testпройден"}}, "testпройден");
EXPECT_EQ(stringb{ssu{u"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{ssa{u8"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{ssw{L"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{stringu{u"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{stringw{L"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{lstringu<40>{u"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringb{lstringw<40>{L"testпройден"}}, u8"testпройден");
EXPECT_EQ(stringu{ssa{"testпройден"}}, u"testпройден"); EXPECT_EQ(stringu{ssa{"testпройден"}}, u"testпройден");
EXPECT_EQ(stringu{ssb{u8"testпройден"}}, u"testпройден");
EXPECT_EQ(stringu{ssw{L"testпройден"}}, u"testпройден"); EXPECT_EQ(stringu{ssw{L"testпройден"}}, u"testпройден");
EXPECT_EQ(stringu{stringa{"testпройден"}}, u"testпройден"); EXPECT_EQ(stringu{stringa{"testпройден"}}, u"testпройден");
EXPECT_EQ(stringu{stringw{L"testпройден"}}, u"testпройден"); EXPECT_EQ(stringu{stringw{L"testпройден"}}, u"testпройден");
@ -1316,9 +1376,9 @@ TEST(SimStr, LStrFormat) {
} }
#else #else
{ {
// char32_t в Windows совместим по размеру с wchar_t, поэтому для его форматирования можно использовать // char32_t в Linux совместим по размеру с wchar_t, поэтому для его форматирования можно использовать
// L"format_string", и передавать char32_t строковые объекты // L"format_string", и передавать char32_t строковые объекты
// char32_t on Windows is compatible in size with wchar_t, so you can use L"format_string" to format it // char32_t on Linux is compatible in size with wchar_t, so you can use L"format_string" to format it
// and pass char32_t string objects // and pass char32_t string objects
lstringuu<2> text; lstringuu<2> text;
text.format(L"{}{}", 'a', 'b'); text.format(L"{}{}", 'a', 'b');
@ -1384,13 +1444,13 @@ TEST(SimStr, LStrJoinAndExpressions) {
int k = 10; int k = 10;
double d = 12.1; double d = 12.1;
lstringa<10> test = ">" + e_repl(buffer.to_str(), "<>", "-") + k + ", " + d; lstringa<10> test = ">" + e_repl(buffer, "<>", "-") + k + ", " + d;
EXPECT_EQ(test, ">asd-fgh-jkl10, 12.1"); EXPECT_EQ(test, ">asd-fgh-jkl10, 12.1");
buffer.prepend(e_choice(test.length() > 2, eea + 99, eea + 12.1 + "asd")); buffer.prepend(e_choice(test.length() > 2, eea + 99, eea + 12.1 + "asd"));
EXPECT_EQ(buffer, "99asd<>fgh<>jkl"); EXPECT_EQ(buffer, "99asd<>fgh<>jkl");
buffer.change(2, 4, test(0, 3) + "__" + 1 + ','); buffer.change(2, 4, test.get(0, 3) + "__" + 1 + ',');
EXPECT_EQ(buffer, "99>as__1,>fgh<>jkl"); EXPECT_EQ(buffer, "99>as__1,>fgh<>jkl");
} }
@ -1975,13 +2035,21 @@ TEST(SimStr, HexEpr) {
std::u32string textuu = +U"val = 0X"sv + e_hex<HexFlags::No0x | HexFlags::Short>(0x12Au); std::u32string textuu = +U"val = 0X"sv + e_hex<HexFlags::No0x | HexFlags::Short>(0x12Au);
EXPECT_EQ(textuu, U"val = 0X12A"); EXPECT_EQ(textuu, U"val = 0X12A");
if (sizeof(void*) == 8) {
text = +"ptr = "sv + (const void*)0xdeadbeefcafe01;
EXPECT_EQ(text, "ptr = 0x00DEADBEEFCAFE01");
text = +"ptr = "sv + (const void*)0xdeadbeefcafe01; const char* ptr = (const char*)0xdeadbeefcafe01;
EXPECT_EQ(text, "ptr = 0x00DEADBEEFCAFE01"); std::u16string utext = ptr + +u" freed"sv;
EXPECT_EQ(utext, u"0x00DEADBEEFCAFE01 freed");
} else {
text = +"ptr = "sv + (const void*)0xdeadbeef;
EXPECT_EQ(text, "ptr = 0xDEADBEEF");
const char* ptr = (const char*)0xdeadbeefcafe01; const char* ptr = (const char*)0xdeadbeef;
std::u16string utext = ptr + +u" freed"sv; std::u16string utext = ptr + +u" freed"sv;
EXPECT_EQ(utext, u"0x00DEADBEEFCAFE01 freed"); EXPECT_EQ(utext, u"0xDEADBEEF freed");
}
} }
TEST(SimStr, EFill) { TEST(SimStr, EFill) {
@ -1995,10 +2063,156 @@ TEST(SimStr, EFill) {
TEST(SimStr, Subst) { TEST(SimStr, Subst) {
int from = 1, total = 100; int from = 1, total = 100;
bool success = true; bool success = true;
lstringu<100> u16t = e_subst(S_FRM(u"Test {} from {}, {}."), from, total, e_choice(success, u"success", u"fail")); lstringu<100> u16t = e_subst(u"Test {} from {}, {}.", from, total, e_choice(success, u"success", u"fail"));
EXPECT_EQ(u16t, u"Test 1 from 100, success."); EXPECT_EQ(u16t, u"Test 1 from 100, success.");
} }
TEST(SimStr, EIntFmt) {
stringa test = "'0x"_ss + 10 / 0x16E08_fmt + "' " + 10 / 0x11'8EF5f_fmt;
EXPECT_EQ(test, "'0x0000000A' _______A");
test = 100 / 0x2a010_fmt;
EXPECT_EQ(test, "0b01100100");
std::u16string textu = +u"val = 0X"sv + 0x12A / 123_f16;
EXPECT_EQ(textu, u"val = 0X12a");
textu = u"val = "_ss + 0x12A / 0_f16;
EXPECT_EQ(textu, u"val = 0x0000012A");
}
TEST(SimStr, EChangeCase) {
stringa test = e_upper("teSt");
EXPECT_EQ(test, "TEST");
test = e_lower(test);
EXPECT_EQ(test, "test");
test = e_upper("ɐ ɑ ı ſ");
EXPECT_EQ(test, "Ɐ Ɑ I S");
test = "-" + e_lower("İ Ⱥ Ⱦ ẞ") + "-";
EXPECT_EQ(test, "-i ⱥ ⱦ ß-");
stringu utest = e_upper(u"teSt");
EXPECT_EQ(utest, u"TEST");
utest = e_lower(utest);
EXPECT_EQ(utest, u"test");
utest = e_upper(u"ı ſ ɐ ɑ");
EXPECT_EQ(utest, u"I S Ɐ Ɑ");
utest = u"-" + e_lower(u"İ Ⱥ Ⱦ ẞ") + u"-";
EXPECT_EQ(utest, u"-i ⱥ ⱦ ß-");
}
#ifndef _MSC_VER
void check_equal(stra a, stra b) {
EXPECT_EQ(a, b);
}
inline constexpr cestring<char, 100> ce_sample = "sample " + e_subst("test = {}", e_hex(10)) + ", done";
TEST(SimStr, ConstEval) {
constexpr cestring<char, 100> ce_empty;
static_assert(ce_empty.length() == 0);
static_assert(ce_empty == "");
static_assert(ce_empty.find("aa") == -1);
constexpr cestring<char, 100> ce_lit = "test";
static_assert(ce_lit.length() == 4);
static_assert(ce_lit == "test");
static_assert(ce_lit.find("st") == 2);
static_assert(ce_lit(1, 2) == "es");
constexpr cestring<char, 100> ce_str = "tester"_ss;
static_assert(ce_str.length() == 6);
static_assert(ce_str == "tester");
static_assert(ce_str.find("te") == 0);
static_assert(ce_str.find("ter") == 3);
static_assert(ce_str(1, -1) == "este");
constexpr cestring<char, 100> ce_repeat{10, "tu"};
static_assert(ce_repeat.length() == 20);
constexpr cestring<char, 100> ce_expr = "test = "_ss + 10 + " times";
static_assert(ce_expr == "test = 10 times");
constexpr cestring<char, 100> ce_subst = e_subst("test = {}", 10);
static_assert(ce_subst == "test = 10");
constexpr cestring<char, 100> ce_hex = e_subst("test = {}", e_hex(10));
static_assert(ce_hex == "test = 0x0000000A");
constexpr cestring<char, 100> ce_concat = e_concat("", "test = ", 10, " times");
static_assert(ce_concat == "test = 10 times");
static_assert(ce_concat(6, 3).to_int<int>().value == 10);
char arr[ce_concat.length()] = {};
static constexpr cestring<char, 40> ce_copy{ce_concat};
static_assert(ce_copy == "test = 10 times");
check_equal(ce_copy, "test = 10 times");
EXPECT_TRUE(ce_copy == "test = 10 times");
stringa test_copy = ce_sample(0, 10);
EXPECT_EQ(test_copy, "sample tes");
constexpr cestring<char, 100> ce_repl = e_repl("test", "e", "--");
static_assert(ce_repl == "t--st");
}
#endif
struct sized_alloc {
inline static size_t allocated = 0, dealloced = 0;
inline static void* alloced = nullptr;
void* allocate(size_t bytes) {
allocated += bytes;
return alloced = ::operator new(bytes);
}
template<typename T>
void deallocate(T* address, size_t size) noexcept {
dealloced += size;
EXPECT_EQ(address, alloced);
if constexpr (requires{::operator delete(address, size);}) {
::operator delete(address, size);
} else {
::operator delete(address);
}
}
};
TEST(SimStr, SizedAlloc) {
sized_alloc::allocated = sized_alloc::dealloced = 0;
{
lstring<u8s, 0, true, sized_alloc> src{10, "test"};
sstring<u8s, sized_alloc> str{std::move(src)};
EXPECT_TRUE(src.is_empty());
EXPECT_EQ(((Tstringa*)&str)->sharedCount(), SharedStringData<u8s>::check | 1);
}
EXPECT_EQ(sized_alloc::allocated, sized_alloc::dealloced);
EXPECT_EQ(sized_alloc::allocated, 64);
{
sstring<u8s, sized_alloc> str{10, "test"};
EXPECT_EQ(((Tstringa*)&str)->sharedCount(), 1);
}
EXPECT_EQ(sized_alloc::allocated, sized_alloc::dealloced);
EXPECT_EQ(sized_alloc::allocated, 113);
}
TEST(SimStr, SizedAllocU) {
sized_alloc::allocated = sized_alloc::dealloced = 0;
{
lstring<u16s, 0, true, sized_alloc> src{10, u"test"};
sstring<u16s, sized_alloc> str{std::move(src)};
EXPECT_TRUE(src.is_empty());
EXPECT_EQ(((Tstringa*)&str)->sharedCountForce(), SharedStringData<u8s>::check | 1);
}
EXPECT_EQ(sized_alloc::allocated, sized_alloc::dealloced);
EXPECT_EQ(sized_alloc::allocated, 112);
{
sstring<u16s, sized_alloc> str{10, u"test"};
EXPECT_EQ(((Tstringa*)&str)->sharedCountForce(), 1);
}
EXPECT_EQ(sized_alloc::allocated, sized_alloc::dealloced);
EXPECT_EQ(sized_alloc::allocated, 202);
}
} // namespace simstr::tests } // namespace simstr::tests
TEST(SimStr, StrNoNamespace) { TEST(SimStr, StrNoNamespace) {

View File

@ -1,5 +1,5 @@
/* /*
* ver. 1.6.0 * ver. 1.9.1
* (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
* Тесты simstr * Тесты simstr
* (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@ -69,7 +69,7 @@ TEST(ToStrExpr, CheckExclamation) {
EXPECT_EQ(test, "Msg is <Happy Birthday!!!>"); EXPECT_EQ(test, "Msg is <Happy Birthday!!!>");
const add_exclamation cmsg{"Happy Birthday", 0}; const add_exclamation cmsg{"Happy Birthday", 0};
test = e_subst(S_FRM("Msg is <{}>"), cmsg); test = e_subst("Msg is <{}>", cmsg);
EXPECT_EQ(test, "Msg is <Happy Birthday>"); EXPECT_EQ(test, "Msg is <Happy Birthday>");
} }
//! [Method1] //! [Method1]
@ -149,7 +149,7 @@ TEST(ToStrExpr, CheckCarInfo) {
EXPECT_EQ(test, "Car is <Model: Ford, Year: 2021>"); EXPECT_EQ(test, "Car is <Model: Ford, Year: 2021>");
ci.year++; ci.year++;
test = e_subst(S_FRM("Car is <{}>"), ci); test = e_subst("Car is <{}>", ci);
EXPECT_EQ(test, "Car is <Model: Ford, Year: 2022>"); EXPECT_EQ(test, "Car is <Model: Ford, Year: 2022>");
} }
//! [Method2] //! [Method2]
@ -216,7 +216,7 @@ TEST(ToStrExpr, CheckAnimal) {
test = e_concat("", "<", dog, ">"); test = e_concat("", "<", dog, ">");
EXPECT_EQ(test, "<Animal: Dog, Sound: Woof>"); EXPECT_EQ(test, "<Animal: Dog, Sound: Woof>");
test = e_subst(S_FRM("\\_{}_/"), animal{"Snake", "Pssstt"}); test = e_subst("\\_{}_/", animal{"Snake", "Pssstt"});
EXPECT_EQ(test, "\\_Animal: Snake, Sound: Pssstt_/"); EXPECT_EQ(test, "\\_Animal: Snake, Sound: Pssstt_/");
} }
//! [Method3] //! [Method3]
@ -268,7 +268,7 @@ TEST(ToStrExpr, CheckTest) {
t = e_concat("", "<", t2, ">"); t = e_concat("", "<", t2, ">");
EXPECT_EQ(t, "<test 8 from 12>"); EXPECT_EQ(t, "<test 8 from 12>");
t = e_subst(S_FRM("<{}>"), test{99, 100}); t = e_subst("<{}>", test{99, 100});
EXPECT_EQ(t, "<test 99 from 100>"); EXPECT_EQ(t, "<test 99 from 100>");
// Проверим работу для не char // Проверим работу для не char
@ -296,12 +296,13 @@ TEST(ToStrExpr, SubstCustom) {
const auto ttt = "test"_ss; const auto ttt = "test"_ss;
int ii = 3; int ii = 3;
const test tr{10, 10}; const test tr{10, 10};
std::string t = e_subst(S_FRM("Test {{--}} {}={}, {}"), ttt, tr, ii); std::string t = e_subst("Test {{--}} {}={}, {}", ttt, tr, ii);
EXPECT_EQ(t, "Test {--} test=test 10 from 10, 3"); EXPECT_EQ(t, "Test {--} test=test 10 from 10, 3");
t = e_subst(S_FRM("Test {2}={1}, {2}, {1}"), "test", 2); t = e_subst("Test {2}={1}, {2}, {1}", "test", 2);
EXPECT_EQ(t, "Test 2=test, 2, test"); EXPECT_EQ(t, "Test 2=test, 2, test");
std::u16string u16t = e_subst(S_FRM(u"Test {}={}, {}"), u"test", 2, u"test"sv); std::u16string u16t = e_subst(u"Test {}={}, {}", u"test", 2, u"test"sv);
EXPECT_EQ(u16t, u"Test test=2, test"); EXPECT_EQ(u16t, u"Test test=2, test");
} }
} // namespace simstr::tests } // namespace simstr::tests