Fix noexcept in find_or_throw

- 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.

CMakeLists.txt

@@ -5,7 +5,7 @@ include(FetchContent)
 
 project(
     simstr
-    VERSION 1.6.5
+    VERSION 1.9.1
     DESCRIPTION "Yet another modern C++ string library"
     HOMEPAGE_URL "https://github.com/orefkov/simstr"
     LANGUAGES CXX
@@ -29,6 +29,12 @@ option(SIMSTR_BUILD_TESTS "Build tests" ON)
 option(SIMSTR_BENCHMARKS "Build benchmarks" 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_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
     src/sstring.cpp
@@ -125,6 +131,9 @@ if(SIMSTR_BUILD_TESTS)
     if(TARGET gtest)
         target_compile_features(gtest 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()
 
@@ -142,6 +151,10 @@ function(GBencmark)
     set(BENCHMARK_INSTALL_DOCS OFF)
     set(BENCHMARK_DOWNLOAD_DEPENDENCIES ON)
     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)
     FetchContent_MakeAvailable(googlebench)
     if(TARGET benchmark)

CMakePresets.json

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

bench/CMakeLists.txt

@@ -6,7 +6,12 @@ cmake_minimum_required (VERSION 3.15)
 add_executable(benchStr bench_str.cpp bench.h)
 target_link_libraries(benchStr simstr::simstr benchmark::benchmark)
 target_compile_features(benchStr PUBLIC cxx_std_23)
-target_compile_definitions(benchStr PRIVATE SIMSTR_VERSION="${PROJECT_VERSION}")
+target_compile_definitions(benchStr PRIVATE
+    SIMSTR_VERSION="${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
@@ -14,7 +19,14 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(fmt)
 
-target_link_libraries(benchStr fmt::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)
 target_link_libraries(process_result simstr_simstr)

bench/bench_str.cpp

@@ -1,10 +1,12 @@
 /*
- * ver. 1.6.5
+ * ver. 1.9.1
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Бенчмарки
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
  * Benchmarks
  */
+#include <stringzilla/stringzilla.h>
+#include <stringzilla/stringzilla.hpp>
 
 #include "bench.h"
 #include <sstream>
@@ -14,16 +16,18 @@
 #include <fmt/format.h>
 #include <fmt/compile.h>
 
+using namespace simstr;
+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);
     }
-static void DoSetup(const benchmark::State& state) {
-    EM_ASM({
-        on_begin_benchmark(UTF8ToString($0));
-    }, state.name().c_str());
-    emscripten_sleep(1);
 }
 #undef BENCHMARK
 #define BENCHMARK(...)                                                \
@@ -31,19 +35,148 @@ static void DoSetup(const benchmark::State& state) {
       (::benchmark::internal::RegisterBenchmarkInternal(              \
           ::benchmark::internal::make_unique<                         \
               ::benchmark::internal::FunctionBenchmark>(#__VA_ARGS__, \
-        __VA_ARGS__)))->Setup(DoSetup)->Teardown(DoTeardown)
-#endif
+        __VA_ARGS__)))->Teardown(DoTeardown)
 
-using namespace simstr;
-using namespace std::literals;
+#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 LONG_TEXT "123456789012345678901234567890"
 #define TEXT_16 "abbaabbaabbaabba"
 
-#define CHECK_RESULT
+//#define CHECK_RESULT
 
 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) {
     std::string s1 = "start ";
@@ -285,6 +418,20 @@ void FmtFormat(benchmark::State& state) {
 
 }
 
+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)");
@@ -293,6 +440,7 @@ BENCHMARK(FmtFormatComp)        ->Name("fmt::format(FMT_COMPILE(\"abcdefghihklmo
 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) {
@@ -346,6 +494,10 @@ size_t find_pos_sim(ssa src, ssa name) {
     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) {
 void FindConcatThreeStr(benchmark::State& state) {
     std::string_view src = "sdfsdf\n- testtesttesttesttesttesttestte -\nsfrgdgfsg";
@@ -396,11 +548,27 @@ void FindConcatThreeSim(benchmark::State& state) {
         #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(FindConcatThreeStr)->Name("Find concat three std::string");
 BENCHMARK(FindConcatThreeExp)->Name("Find concat three strexpr");
 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 res{type_name};
@@ -622,6 +790,7 @@ void Find(benchmark::State& state) {
     }
 }
 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_view>)   ->Name("std::string_view::find;");
 BENCHMARK(Find<ssa>)                ->Name("ssa::find;");
@@ -769,7 +938,6 @@ void ToIntNoOverflow(benchmark::State& state, ssa t, int c) {
         benchmark::DoNotOptimize(t);
     }
 }
-
 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(ToIntFromChars10, , std::string_view{"123456789"}, 123456789)     ->Name("std::string_view s = \"123456789\"; std::from_chars(s.data(), s.data() + s.size(), res, 10);");
@@ -804,12 +972,17 @@ 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) {
     for (auto _: state) {
         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&>()); }) {
+            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
         if (res != c) {
             state.SkipWithError("not equal");
@@ -1803,7 +1976,7 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
     lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
 
     for (auto _: state) {
-        stringa result = e_repl(big_source.to_str(), "bb", "----");
+        stringa result = e_repl(big_source, "bb", "----");
 
 #ifdef CHECK_RESULT
         if (result.to_str() != big_sample) {
@@ -2454,13 +2627,62 @@ BENCHMARK(BuildFuncNameStream)         ->Name("Build func full name std::stream;
 BENCHMARK(BuildFuncNameSimStr)         ->Name("Build func full name stringa;");
 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) {
     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" << std::endl;
+        << "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";
@@ -2475,7 +2697,9 @@ int main(int argc, char** argv) {
     ::benchmark::RunSpecifiedBenchmarks();
     ::benchmark::Shutdown();
 #ifdef EMSCRIPTEN
+    std::cout << "Done!\n";
     EM_ASM({ on_done(); });
 #endif
+
     return 0;
 }

bench/comments.txt

@@ -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,
 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
 Если результат конкатенации меньше 207 символов,
 он собирается в буфере на стеке, без аллокации и деалокации.
 If the concatenation result is less than 207 characters,
 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
 В simstr строковое выражение для замены подстрок
 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
 Явно виден скачок, где заканчивается SSO и начинается аллокация.
 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.
 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.

bench/emscripten/shell_minimal.html

@@ -1,20 +1,154 @@
 <!doctype html>
 <html lang="en-us">
+
 <head>
   <meta charset="utf-8">
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-    <title>SimStr Bencjmarks</title>
+  <title>SimStr Benchmarks</title>
   <style>
     body {
-	color: white;
-    background-color: black;
+      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: 80px;
+      top: 50px;
       right: 10px;
-	bottom: 10px;
+      bottom: 60%;
       margin: 0 auto;
       border: 0;
       display: block;
@@ -23,74 +157,91 @@
       font-family: 'Cascadia Code', 'Consolas', 'Lucida Console', Monaco, monospace;
       outline: none;
     }
-	.ctr {
+
+    #results {
+      position: absolute;
+      left: 10px;
+      top: 42%;
+      right: 10px;
+      bottom: 10px;
+      margin: 0 auto;
+      border: 0;
+      overflow: auto;
+    }
+
+    div.head {
       text-align: center;
-	font-size: 16pt;
+    }
+
+    div.head h3 {
+      margin: 0;
+    }
+
+    div.head span {
+      margin: 0;
     }
   </style>
 </head>
+
 <body>
-  <div class="ctr" id="bs_name"></div><div class="ctr" id="b_name"></div>
-    <textarea class="emscripten" id="output" rows="20"></textarea>
+  <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 bsNameEl= document.getElementById('bs_name');
-      var bNameEl= document.getElementById('b_name');
+    var resultEl = document.getElementById('results');
     if (outputElement) outputElement.value = ''; // clear browser cache
     var Module = {
       print(...args) {
         console.log(...args);
-          if (outputElement) {
-            var text = args.join(' ').replace('_mean', '     ');
-			var rpt = text.indexOf("/repeats");
-			if (rpt != -1)
-				text = text.substr(0, rpt);
-			if (text.indexOf('_median ') == -1 && text.indexOf('_stddev ') == -1 && text.indexOf('_cv ') == -1) {
-				outputElement.value += text + "\n";
-				outputElement.scrollTop = outputElement.scrollHeight; // focus on bottom
-			}
-          }
-        },
-        setStatus(text) {
-          if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
-          if (text === Module.setStatus.last.text) return;
-          var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
-          var now = Date.now();
-          if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
-          Module.setStatus.last.time = now;
-          Module.setStatus.last.text = text;
+        try {
+          var text = args.join(' ')
+          var m = text.match(/^--+ +(.+?) +-+\/repeats/);
           if (m) {
-            text = m[1];
+            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);
+        }
       }
-        },
-        totalDependencies: 0,
-        monitorRunDependencies(left) {
-          this.totalDependencies = Math.max(this.totalDependencies, left);
-          Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
-        },
     };
-      Module.setStatus('Downloading...');
-      window.onerror = () => {
-        Module.setStatus('Exception thrown, see JavaScript console');
-        Module.setStatus = (text) => {
-          if (text) console.error('[post-exception status] ' + text);
-        };
-      };
-	  function on_begin_benchmark(name) {
-		if (name.substr(0, 3) == "---") {
-			bsNameEl.innerText = name.match(/^[- ]+(.+?)[ -]+$/)[1];
-			bNameEl.innerText = "";
-		} else {
-			bNameEl.innerText = name;
-		}
-	  }
-	  function on_done() {
-		bsNameEl.innerText = "Done";
-		bNameEl.innerText = "";
-	  }
+    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>

bench/process_result.cpp

@@ -38,7 +38,7 @@ struct result_info {
         }
         // 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
-        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");
     }
 };
 
@@ -96,11 +96,11 @@ results_vector get_results_infos() {
             // 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
             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);
                 }
             }
-            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;
@@ -117,7 +117,7 @@ void write_platforms_cpu(out_t& out, const results_vector& results) {
     for (const auto& r : results) {
         size_t rp = r.cpu_info_.find('(') + 1, lp = r.cpu_info_.find(')', rp);
         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 += 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>)--",
             r.platform_, shortCpuInfo, cpuInfo, counter++);
@@ -167,7 +167,7 @@ ssa extract_name_result(ssa line, ssa& result) {
     line.len = ns;
     if (inNs) {
         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) {
             line.len = rp;
         } else {
@@ -182,7 +182,7 @@ ssa extract_name_result(ssa line, ssa& result) {
 ssa extract_comment(ssa commentsText, ssa benchmarkName) {
     size_t idx = commentsText.find_end(lstringa<120>{"- " + benchmarkName + "\n"});
     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));
         }
     }
@@ -206,7 +206,7 @@ std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceTex
     }();
 
     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;
     }
     auto [it, not_exist] = textes.try_emplace(benchName, stringa{}, 0);
@@ -218,7 +218,7 @@ std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceTex
             std::cerr << "Can not found benchmark function name for " << benchName << std::endl;
             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) {
             std::cerr << "Can not found benchmark function name for " << benchName << std::endl;
             return {stra::empty_str, 0};
@@ -237,7 +237,7 @@ std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceTex
             }
             start = sourceText.find_last('\n', start);
             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;
             } else {
                 start++;
@@ -261,7 +261,7 @@ std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceTex
                     throw std::runtime_error{"Not found end of func"};
                 }
                 lstringa<2048> text{sourceText.from_to(beginLine, end + indent.length() + 1), indent, "\n"};
-                func_it->second.first = repl_html_symbols(text(1));
+                func_it->second.first = repl_html_symbols(text.get(1, to_end));
             } else {
                 end = sourceText.find("\n}\n", start);
                 func_it->second.first = repl_html_symbols(sourceText.from_to(start, end + 2));
@@ -274,7 +274,7 @@ std::pair<ssa, size_t> extract_source_for_benchmark(ssa benchName, ssa sourceTex
 }
 
 void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText, ssa commentsText) {
-    ssa releaseVersion = sourceText(sourceText.find_end("\n * ver. ")).until("\n").trimmed();
+    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"};
@@ -292,7 +292,7 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
     while(!splitters[0].is_done()) {
         ssa line = splitters[0].next(), benchName, result;
         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, line_num] = extract_source_for_benchmark(benchName, sourceText);
             auto comment = extract_comment(commentsText, benchName);
             // Нужно вывести название бенча и коммент
@@ -312,12 +312,12 @@ void write_benchmarks(out_t& out, const results_vector& results, ssa sourceText,
                     throw std::runtime_error{"Not expected end of file"};
                 }
                 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) {
                     while (line.find("_mean") == str::npos && !splitters[idx].is_done()) {
                         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) {
                         std::cerr << "In results for " << results[idx].platform_ << " benchmark '" << rbench_name
                                   << "' does not match with other results" << std::endl;

bench/results/002-Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-15.txt

@@ -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

docs/Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.6.5
+PROJECT_NUMBER         = 1.9.1
 
 # 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
@@ -2928,7 +2928,7 @@ MAX_DOT_GRAPH_DEPTH    = 0
 
 # 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
-# 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.
 # The default value is: NO.
 # This tag requires that the tag HAVE_DOT is set to YES.

docs/Doxyfile_ru

@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.6.5
+PROJECT_NUMBER         = 1.9.1
 
 # 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
@@ -2928,7 +2928,7 @@ MAX_DOT_GRAPH_DEPTH    = 0
 
 # 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
-# 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.
 # The default value is: NO.
 # This tag requires that the tag HAVE_DOT is set to YES.

include/simstr/simple_unicode.h

@@ -1,6 +1,6 @@
 /*
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
- * ver. 1.6.5
+ * ver. 1.9.1
  */
 
 #pragma once

readme.md

@@ -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)
 
-Version 1.6.5.
+Version 1.9.1
 
 <h2>Speed up your work with strings by 2-10 times!</h2>
 
@@ -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.
 
 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.\
   To use this part, just take the file `"include/simstr/strexpr.h"` and write in your code
   ```cpp
   #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.
   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
@@ -74,13 +75,15 @@ When using only `#include "simstr/strexpr.h"`:
     for example `str::append(text, "count = "_ss + count)`.
   - 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.
-- Parsing integers with the possibility of "fine" tuning at compile time - you can set options for checking overflow,
-  skipping whitespace characters, a specific radix or auto-selection by prefixes `0x`, `0`, `0b`, `0o`,
-  the admissibility of the `+` sign. Parsing is implemented for all types of strings and characters.
-- Parsing double for `char` and `wchar_t`, as well as character types compatible with them in size.
+  - str::make_ascii_upper, str::make_ascii_lower - change the case of ASCII characters.
+- Parsing of integers from a "piece of string" (does not require null termination) with the possibility of "fine" tuning during compilation -
+  you can set options for checking for overflow, skipping whitespace characters, a specific radix, or auto-select by
+  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:
 - 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).
 - `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* :).
@@ -322,8 +325,8 @@ function(add_simstr)
         simstr
         GIT_REPOSITORY https://github.com/orefkov/simstr.git
         GIT_SHALLOW TRUE
-        GIT_TAG tags/rel1.6.5 # Specify the desired release
-        FIND_PACKAGE_ARGS NAMES simstr 1.6.5
+        GIT_TAG tags/rel1.9.1# Specify the desired release
+        FIND_PACKAGE_ARGS NAMES simstr 1.9.1
     )
     FetchContent_MakeAvailable(simstr)
 endfunction()

readme_ru.md

@@ -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)
 
-Версия 1.6.5.
+Версия 1.9.1
 
 <h2>Ускорь работу со строками в 2-10 раз!</h2>
 
@@ -26,7 +26,7 @@
 и пригодится другим людям, либо напрямую, либо как источник идей.
 
 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.\
   Для использования этой части достаточно просто взять файл `"include/simstr/strexpr.h"` и написать в своём коде
   ```cpp
@@ -70,18 +70,21 @@
   - 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
     каждой подстроки, либо путем итерации с помощью итератора `Splitter`.
+  - Создании копии со сменой регистра ASCII символов.
 - Функции модификации стандартных строк строковыми выражениями:
   - str::append, str::prepend, str::insert, str::change - меняют str::string строковыми выражениями,
     например `str::append(text, "count = "_ss + count)`.
   - str::replace - заменяет вхождения искомой подстроки на строку замены или строковое выражение.
     Если подстрока не найдена, строковое выражение даже не вычисляется.
-- Парсинг целых чисел с возможностью "тонкой" настройки при компиляции - можно задавать опции проверки переполнения,
-  пропуск пробельных символов, конкретное основание счисления либо автовыбор по префиксам `0x`, `0`, `0b`, `0o`,
-  допустимость знака `+`. Парсинг реализован для всех видов строк и символов.
-- Парсинг double для `char` и `wchar_t`, а также совместимых с ними по размеру типов символов.
+  - str::make_ascii_upper, str::make_ascii_lower - смена регистра ASCII символов.
+- Парсинг целых чисел из "куска строки" (не требует нуль-терминированности) с возможностью "тонкой" настройки при компиляции -
+  можно задавать опции проверки переполнения, пропуск пробельных символов, конкретное основание счисления либо автовыбор по
+  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:
 - 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).
 - `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* :).
@@ -323,8 +326,8 @@ function(add_simstr)
         simstr
         GIT_REPOSITORY https://github.com/orefkov/simstr.git
         GIT_SHALLOW TRUE
-        GIT_TAG tags/rel1.6.5 # Укажите нужный релиз
-        FIND_PACKAGE_ARGS NAMES simstr 1.6.5
+        GIT_TAG tags/rel1.9.1# Укажите нужный релиз
+        FIND_PACKAGE_ARGS NAMES simstr 1.9.1
     )
     FetchContent_MakeAvailable(simstr)
 endfunction()

src/sstring.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.5
+ * ver. 1.9.1
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Реализация строковых функций
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -187,6 +187,8 @@ inline u32s makeFoldU(u32s s) {
 /*
 * Поиск utf-8 symbols, которые меняют свою длину при upper/lower преобразовании
 * вот они нашлись
+* Search for utf-8 codepoints that change their code units length during upper/lower conversion
+* here they are found
 * "İiıIſSȺⱥȾⱦɐⱯɑⱭɫⱢɱⱮɽⱤẞßιΙΩωKkÅåⱢɫⱤɽⱥȺⱦȾⱭɑⱮɱⱯɐ"
    l2u ıI ſS ɐⱯ ɑⱭ ɫⱢ ɱⱮ ɽⱤ ιΙ ⱥȺ ⱦȾ
    u2l İi Ⱥⱥ Ⱦⱦ ẞß Ωω Kk Åå Ɫɫ Ɽɽ Ɑɑ Ɱɱ Ɐɐ
@@ -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
     // и не перетрет символы, которые еще не прочитали
     // По другому работать откажемся
-    if (lenBuffer < len || (dest > src && dest < src + len))
+    if (dest > src && dest < src + len)
         return len;
     const uu8s *beginReadPos = reinterpret_cast<const uu8s*>(src), *readPos = beginReadPos, *endReadPos = beginReadPos + len,
                     *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);
 }
 
+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>
 void utf16_change_case(const u16s* src, size_t len, u16s* dest) {
     if (dest != src) {

tests/test_expr_only.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.5
+ * ver. 1.9.1
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -406,4 +406,68 @@ TEST(StrExpr, EIntFmt) {
     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

tests/test_str.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.5
+ * ver. 1.9.1
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com
@@ -24,6 +24,9 @@ public:
     size_t sharedCount() const {
         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) {
@@ -271,6 +274,7 @@ TEST(SimStr, SimpleFind) {
     EXPECT_EQ("abccccc"_ss.find_last("ab"), 0);
 }
 
+#if 0
 TEST(SimStr, SubPiece) {
     ssa testa{"test"};
     EXPECT_EQ(testa(1), "est");
@@ -286,39 +290,83 @@ TEST(SimStr, SubPiece) {
     EXPECT_EQ(testw(1), L"est");
     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) {
     ssa testa = "test";
+#if 0
     EXPECT_EQ(testa.substr(1, 0), "est");
     EXPECT_EQ(testa.substr(1, 2), "es");
     EXPECT_EQ(testa.substr(0, -1), "tes");
     EXPECT_EQ(testa.substr(-2), "st");
     EXPECT_EQ(testa.substr(-3, 2), "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, 0), "");
     EXPECT_EQ(testa.str_mid(1, 2), "es");
     EXPECT_EQ(testa.str_mid(2, 2), "st");
 
     ssu testu = u"test";
+#if 0
     EXPECT_EQ(testu.substr(1, 0), u"est");
     EXPECT_EQ(testu.substr(1, 2), u"es");
     EXPECT_EQ(testu.substr(0, -1), u"tes");
     EXPECT_EQ(testu.substr(-2), u"st");
     EXPECT_EQ(testu.substr(-3, 2), 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, 0), u"");
     EXPECT_EQ(testu.str_mid(1, 2), u"es");
     EXPECT_EQ(testu.str_mid(2, 2), u"st");
 
     ssw testw = L"test";
+#if 0
     EXPECT_EQ(testw.substr(1, 0), L"est");
     EXPECT_EQ(testw.substr(1, 2), L"es");
     EXPECT_EQ(testw.substr(0, -1), L"tes");
     EXPECT_EQ(testw.substr(-2), L"st");
     EXPECT_EQ(testw.substr(-3, 2), 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, 0), L"");
     EXPECT_EQ(testw.str_mid(1, 2), L"es");
@@ -327,7 +375,7 @@ TEST(SimStr, SimpleSubstr) {
 
 TEST(SimStr, ToInt) {
     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{"  -123aa"}.as_int<int>(), -123);
     EXPECT_EQ(ssa{"123"}.as_int<size_t>(), 123u);
@@ -484,6 +532,8 @@ TEST(SimStr, ToInt) {
 TEST(SimStr, to_double) {
     EXPECT_EQ(ssa{"  123"}.to_double(), 123.0);
     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(ssuu{U"  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 = stringa{"trtr"_ss + 10}, "trtr10");
     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 = lstringsa<10>{"func"}, "func");
     lstringsa<10> sample{15, "1234"};
@@ -937,10 +987,10 @@ TEST(SimStr, LStringAssign) {
         test = lstringa<1>{"next step"};
         EXPECT_EQ(test, "next step");
 
-        test = test(0);
+        test = test.get(0, to_end);
         EXPECT_EQ(test, "next step");
 
-        test = test(1, 2);
+        test = test.get(1, 2);
         EXPECT_EQ(test, "ex");
 
         test = e_c(100, 'a');
@@ -958,13 +1008,23 @@ TEST(SimStr, LStringAssign) {
 
 TEST(SimStr, UtfConvert) {
     EXPECT_EQ(stringa{ssu{u"testпройден"}}, "testпройден");
+    EXPECT_EQ(stringa{ssb{u8"testпройден"}}, "testпройден");
     EXPECT_EQ(stringa{ssw{L"testпройден"}}, "testпройден");
     EXPECT_EQ(stringa{stringu{u"testпройден"}}, "testпройден");
     EXPECT_EQ(stringa{stringw{L"testпройден"}}, "testпройден");
     EXPECT_EQ(stringa{lstringu<40>{u"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{ssb{u8"testпройден"}}, u"testпройден");
     EXPECT_EQ(stringu{ssw{L"testпройден"}}, u"testпройден");
     EXPECT_EQ(stringu{stringa{"testпройден"}}, u"testпройден");
     EXPECT_EQ(stringu{stringw{L"testпройден"}}, u"testпройден");
@@ -1316,9 +1376,9 @@ TEST(SimStr, LStrFormat) {
     }
 #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
-        // 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
         lstringuu<2> text;
         text.format(L"{}{}", 'a', 'b');
@@ -1384,13 +1444,13 @@ TEST(SimStr, LStrJoinAndExpressions) {
 
     int k = 10;
     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");
 
     buffer.prepend(e_choice(test.length() > 2, eea + 99, eea + 12.1 + "asd"));
     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");
 }
 
@@ -1975,13 +2035,21 @@ TEST(SimStr, HexEpr) {
 
     std::u32string textuu = +U"val = 0X"sv + e_hex<HexFlags::No0x | HexFlags::Short>(0x12Au);
     EXPECT_EQ(textuu, U"val = 0X12A");
-
+    if (sizeof(void*) == 8) {
         text = +"ptr = "sv + (const void*)0xdeadbeefcafe01;
         EXPECT_EQ(text, "ptr = 0x00DEADBEEFCAFE01");
 
         const char* ptr = (const char*)0xdeadbeefcafe01;
         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*)0xdeadbeef;
+        std::u16string utext = ptr + +u" freed"sv;
+        EXPECT_EQ(utext, u"0xDEADBEEF freed");
+    }
 }
 
 TEST(SimStr, EFill) {
@@ -2011,6 +2079,27 @@ TEST(SimStr, EIntFmt) {
     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);
@@ -2068,7 +2157,64 @@ TEST(SimStr, ConstEval) {
 }
 #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
+
 TEST(SimStr, StrNoNamespace) {
     std::string str = "test";
     std::string test = +str + " = " + 10;

tests/test_tostrexpr.cpp

@@ -1,5 +1,5 @@
 /*
- * ver. 1.6.5
+ * ver. 1.9.1
  * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com
  * Тесты simstr
  * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com