diff --git a/CMakeLists.txt b/CMakeLists.txt index 64c48c8..154c701 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -5,7 +5,7 @@ include(FetchContent) project( simstr - VERSION 1.6.3 + VERSION 1.6.4 DESCRIPTION "Yet another modern C++ string library" HOMEPAGE_URL "https://github.com/orefkov/simstr" LANGUAGES CXX diff --git a/bench/bench_str.cpp b/bench/bench_str.cpp index fdda21a..7192e87 100644 --- a/bench/bench_str.cpp +++ b/bench/bench_str.cpp @@ -7,6 +7,7 @@ #include #include #include +#include using namespace simstr; using namespace std::literals; @@ -183,17 +184,25 @@ BENCHMARK(ConcatSimToSimHexC) ->Name("Concat stringa and hex number and litera BENCHMARK(ConcatSimToSimHexS) ->Name("Subst stringa and hex number by e_subst literal to simstr::stringa"); BENCHMARK(ConcatSimToSimHexVS) ->Name("Subst stringa and hex number by e_vsubst stra to simstr::stringa"); -void SubstSimToSimBin(benchmark::State& state) { - static bool first = true; +void ConcatSimToSimOct(benchmark::State& state) { for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { - stringa str = e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i)); + stringa str = "art "_ss + i / 0x8a010_fmt + " end"; benchmark::DoNotOptimize(str); } } } -void FormatStdToStdBin(benchmark::State& state) { +void SubstSimToSimOct(benchmark::State& state) { + for (auto _: state) { + for (unsigned i = 1; i <= 100'000; i *= 10) { + stringa str = e_subst("art {} end", i / 0x8a010_fmt); + benchmark::DoNotOptimize(str); + } + } +} + +void FormatStdToStdOct(benchmark::State& state) { for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { std::string str = std::format("art {:#010o} end", i); @@ -202,19 +211,18 @@ void FormatStdToStdBin(benchmark::State& state) { } } -void VSubstSimToSimBin(benchmark::State& state) { +void VSubstSimToSimOct(benchmark::State& state) { ssa pattern = "art {} end"; for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { - stringa str = e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i)); + stringa str = e_vsubst(pattern, i / 0x8a010_fmt); benchmark::DoNotOptimize(str); } } } -void VFormatStdToStdBin(benchmark::State& state) { +void VFormatStdToStdOct(benchmark::State& state) { std::string_view pattern = "art {:#010o} end"; - static bool first = true; for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { std::string str = std::vformat(pattern, std::make_format_args(i)); @@ -222,11 +230,25 @@ void VFormatStdToStdBin(benchmark::State& state) { } } } + +void StreamStdToStdOct(benchmark::State& state) { + for (auto _: state) { + for (unsigned i = 1; i <= 100'000; i *= 10) { + std::stringstream strm; + strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"; + std::string str = strm.str(); + benchmark::DoNotOptimize(str); + } + } +} + BENCHMARK(__)->Name("----- format/vformat and subst/vsubst octal number ---------")->Repetitions(1); -BENCHMARK(SubstSimToSimBin) ->Name("e_subst(\"art {} end\", e_int<8, f::w<10> | f::p | f::z>(i))"); -BENCHMARK(FormatStdToStdBin) ->Name("std::format(\"art {:#010o} end\", i)"); -BENCHMARK(VSubstSimToSimBin) ->Name("e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))"); -BENCHMARK(VFormatStdToStdBin) ->Name("std::vformat(pattern, std::make_format_args(i))"); +BENCHMARK(ConcatSimToSimOct) ->Name("\"art \"_ss + i / 0x8a010_fmt + \" end\""); +BENCHMARK(SubstSimToSimOct) ->Name("e_subst(\"art {} end\", i / 0x8a010_fmt)"); +BENCHMARK(VSubstSimToSimOct) ->Name("e_vsubst(pattern, i / 0x8a010_fmt)"); +BENCHMARK(FormatStdToStdOct) ->Name("std::format(\"art {:#010o} end\", i)"); +BENCHMARK(VFormatStdToStdOct) ->Name("std::vformat(pattern, std::make_format_args(i))"); +BENCHMARK(StreamStdToStdOct) ->Name("strm << \"art 0\" << std::oct << std::setw(9) << std::setfill('0') << i << \" end\""); void ConcatStdToStdS(benchmark::State& state) { std::string s1 = "start "; diff --git a/bench/results.html b/bench/results.html index 431390c..776b689 100644 --- a/bench/results.html +++ b/bench/results.html @@ -275,14 +275,14 @@ L1 Instruction 32 KiB (x16) L2 Unified 256 KiB (x16) L3 Unified 40960 KiB (x1) -Load Average: 0.00, 0.00, 0.00 +Load Average: 0.53, 0.18, 0.32 ***WARNING*** ASLR is enabled, the results may have unreproducible noise in them. Include in charts:
  • Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-1332 X 2494.22 MHz CPU sCPU Caches: L1 Data 32 KiB (x16) L1 Instruction 32 KiB (x16) L2 Unified 256 KiB (x16) L3 Unified 40960 KiB (x1) -Load Average: 0.24, 0.68, 0.48 +Load Average: 0.00, 0.00, 0.00 ***WARNING*** ASLR is enabled, the results may have unreproducible noise in them. Include in charts:
  • Xeon E5-2682 v4, Windows 10, Clang-1932 X 2494 MHz CPU sCPU Caches: L1 Data 32 KiB (x16) @@ -301,7 +301,7 @@ Load Average: 0.24, 0.68, 0.48

    # Concatenate string + Number + "Literal"

    - - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Concat std::string and number by std to std::stringvoid ConcatStdToStd(benchmark::State& state) { +
    Concat std::string and number by std to std::stringvoid ConcatStdToStd(benchmark::State& state) { std::string s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -310,8 +310,8 @@ Load Average: 0.24, 0.68, 0.48 benchmark::DoNotOptimize(str); } } -}2342112663151022
    Concat std::string and number by StrExpr to std::stringvoid ConcatSimToStd(benchmark::State& state) { +}226201264351891
    Concat std::string and number by StrExpr to std::stringvoid ConcatSimToStd(benchmark::State& state) { std::string s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -320,8 +320,8 @@ Load Average: 0.24, 0.68, 0.48 benchmark::DoNotOptimize(str); } } -}104111159213449
    Concat stringa and number by StrExpr to simstr::stringavoid ConcatSimToSim(benchmark::State& state) { +}105100148220402
    Concat stringa and number by StrExpr to simstr::stringavoid ConcatSimToSim(benchmark::State& state) { stra s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -337,8 +337,8 @@ Load Average: 0.24, 0.68, 0.48 Unlike std::string, stringa 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.62.472.667.5121230
    Concat stringa and number by e_concat to simstr::stringavoid ConcatSimToSimConcat(benchmark::State& state) { +while in stringa , the entire test is included in SSO.62.877.968.5116230
    Concat stringa and number by e_concat to simstr::stringavoid ConcatSimToSimConcat(benchmark::State& state) { stra s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -347,17 +347,17 @@ while in stringa , the entire test is included in SSO.67.879.075.4119239
    70.679.075.6110196

    # Concatenate string + Hex Number + "Literal"

    - - + - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Concat std::string and format hex number and literal to std::stringvoid ConcatStdToFmtHex(benchmark::State& state) { +
    Concat std::string and format hex number and literal to std::stringvoid ConcatStdToFmtHex(benchmark::State& state) { // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. std::string s1 = "art "; for (auto _: state) { @@ -368,8 +368,8 @@ while in stringa , the entire test is included in SSO.68465373110331423
    std::format std::string and hex number by literal to std::stringvoid ConcatAllFmtToHex(benchmark::State& state) { +}68169171410421301
    std::format std::string and hex number by literal to std::stringvoid ConcatAllFmtToHex(benchmark::State& state) { // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. std::string s1 = "art "; for (auto _: state) { @@ -380,8 +380,8 @@ while in stringa , the entire test is included in SSO.872960152418411601
    Concat std::string and std::to_chars and string to std::stringvoid ConcatStdToCharsHex(benchmark::State& state) { +}863995148318501590
    Concat std::string and std::to_chars and string to std::stringvoid ConcatStdToCharsHex(benchmark::State& state) { // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. std::string s1 = "art "; for (auto _: state) { @@ -394,8 +394,8 @@ while in stringa , the entire test is included in SSO.203197191251640
    Concat std::string and hex number and literal by StrExpr to std::stringvoid ConcatSimToStdHex(benchmark::State& state) { +}199175191254611
    Concat std::string and hex number and literal by StrExpr to std::stringvoid ConcatSimToStdHex(benchmark::State& state) { // We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer. std::string s1 = "art "; for (auto _: state) { @@ -406,8 +406,8 @@ while in stringa , the entire test is included in SSO.14212780.0119422
    Concat stringa and hex number and literal by StrExpr to simstr::stringavoid ConcatSimToSimHex(benchmark::State& state) { +}13312678.8116419
    Concat stringa and hex number and literal by StrExpr to simstr::stringavoid ConcatSimToSimHex(benchmark::State& state) { // stringa SSO buffer is 23, but we use a short string to compare under the same conditions stra s1 = "art "; for (auto _: state) { @@ -418,8 +418,8 @@ while in stringa , the entire test is included in SSO.12412475.099.3212
    Concat stringa and hex number and literal by e_concat to simstr::stringavoid ConcatSimToSimHexC(benchmark::State& state) { +}12211974.3101220
    Concat stringa and hex number and literal by e_concat to simstr::stringavoid ConcatSimToSimHexC(benchmark::State& state) { // stringa SSO buffer is 23, but we use a short string to compare under the same conditions stra s1 = "art "; for (auto _: state) { @@ -430,8 +430,8 @@ while in stringa , the entire test is included in SSO.12613480.4104213
    Subst stringa and hex number by e_subst literal to simstr::stringavoid ConcatSimToSimHexS(benchmark::State& state) { +}12913181.0106214
    Subst stringa and hex number by e_subst literal to simstr::stringavoid ConcatSimToSimHexS(benchmark::State& state) { // stringa SSO buffer is 23, but we use a short string to compare under the same conditions stra s1 = "art "; for (auto _: state) { @@ -441,8 +441,8 @@ while in stringa , the entire test is included in SSO.216173148175486
    Subst stringa and hex number by e_vsubst stra to simstr::stringavoid ConcatSimToSimHexVS(benchmark::State& state) { +}180164149174463
    Subst stringa and hex number by e_vsubst stra to simstr::stringavoid ConcatSimToSimHexVS(benchmark::State& state) { // stringa SSO buffer is 23, but we use a short string to compare under the same conditions stra s1 = "art "; for (auto _: state) { @@ -452,66 +452,84 @@ while in stringa , the entire test is included in SSO.321284295349773
    312277305349770

    # format/vformat and subst/vsubst octal number

    - - + + + - - + +} +
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))void SubstSimToSimBin(benchmark::State& state) { - static bool first = true; +
    "art "_ss + i / 0x8a010_fmt + " end"void ConcatSimToSimOct(benchmark::State& state) { for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { - stringa str = e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i)); + stringa str = "art "_ss + i / 0x8a010_fmt + " end"; benchmark::DoNotOptimize(str); } } -}168145162206641
    std::format("art {:#010o} end", i)void FormatStdToStdBin(benchmark::State& state) { +}99.196.6108125497
    e_subst("art {} end", i / 0x8a010_fmt)void SubstSimToSimOct(benchmark::State& state) { + for (auto _: state) { + for (unsigned i = 1; i <= 100'000; i *= 10) { + stringa str = e_subst("art {} end", i / 0x8a010_fmt); + benchmark::DoNotOptimize(str); + } + } +}159145188206682
    e_vsubst(pattern, i / 0x8a010_fmt)void VSubstSimToSimOct(benchmark::State& state) { + ssa pattern = "art {} end"; + for (auto _: state) { + for (unsigned i = 1; i <= 100'000; i *= 10) { + stringa str = e_vsubst(pattern, i / 0x8a010_fmt); + benchmark::DoNotOptimize(str); + } + } +}347327315375999
    std::format("art {:#010o} end", i)void FormatStdToStdOct(benchmark::State& state) { for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { std::string str = std::format("art {:#010o} end", i); benchmark::DoNotOptimize(str); } } -}10041261136916781750
    e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))void VSubstSimToSimBin(benchmark::State& state) { - ssa pattern = "art {} end"; - for (auto _: state) { - for (unsigned i = 1; i <= 100'000; i *= 10) { - stringa str = e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i)); - benchmark::DoNotOptimize(str); - } - } -}3633413053541016
    std::vformat(pattern, std::make_format_args(i))void VFormatStdToStdBin(benchmark::State& state) { +}9881204136418231770
    std::vformat(pattern, std::make_format_args(i))void VFormatStdToStdOct(benchmark::State& state) { std::string_view pattern = "art {:#010o} end"; - static bool first = true; for (auto _: state) { for (unsigned i = 1; i <= 100'000; i *= 10) { std::string str = std::vformat(pattern, std::make_format_args(i)); benchmark::DoNotOptimize(str); } } -}10241132137316561747
    10461091139117451790
    strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"void StreamStdToStdOct(benchmark::State& state) { + for (auto _: state) { + for (unsigned i = 1; i <= 100'000; i *= 10) { + std::stringstream strm; + strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"; + std::string str = strm.str(); + benchmark::DoNotOptimize(str); + } + } +}20202084648868694124

    # Concatenate string + "Literal"

    - - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Concat std::string by std to std::stringvoid ConcatStdToStdS(benchmark::State& state) { +
    Concat std::string by std to std::stringvoid ConcatStdToStdS(benchmark::State& state) { std::string s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -520,8 +538,8 @@ while in stringa , the entire test is included in SSO.55.852.040.955.096.4
    Concat std::string by StrExpr to std::stringvoid ConcatSimToStdS(benchmark::State& state) { +}45.443.541.158.5102
    Concat std::string by StrExpr to std::stringvoid ConcatSimToStdS(benchmark::State& state) { std::string s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -530,8 +548,8 @@ while in stringa , the entire test is included in SSO.39.535.840.775.6111
    Concat stringa by StrExpr to stringavoid ConcatSimToSimS(benchmark::State& state) { +}33.729.438.679.7119
    Concat stringa by StrExpr to stringavoid ConcatSimToSimS(benchmark::State& state) { stra s1 = "start "; for (auto _: state) { for (int i = 1; i <= 100'000; i *= 10) { @@ -540,37 +558,37 @@ while in stringa , the entire test is included in SSO.26.127.729.052.0101
    28.733.029.251.193.6

    # Find three concatenated string in string_view

    - - + - + +it is collected in a stack-based buffer, without allocation or deallocation.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Find concat three std::stringsize_t find_pos_str(std::string_view src, std::string_view name) { +
    Find concat three std::stringsize_t find_pos_str(std::string_view src, std::string_view name) { // before C++26 we can not concatenate string and string_view... return src.find("\n- "s + std::string{name} + " -\n"); -}113129204230149
    Find concat three strexprsize_t find_pos_exp(ssa src, ssa name) { +}121194205232157
    Find concat three strexprsize_t find_pos_exp(ssa src, ssa name) { return src.find(std::string{"\n- " + name + " -\n"}); -}48.054.9113129106
    Find concat three simstrsize_t find_pos_sim(ssa src, ssa name) { +}50.869.7120130102
    Find concat three simstrsize_t find_pos_sim(ssa src, ssa name) { return src.find(lstringa<200>{"\n- " + name + " -\n"}); } >> 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.19.733.121.328.373.1
    51.644.229.127.972.5

    # Build Type Name

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    BuildTypeNameStr 0/0std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) { +
    BuildTypeNameStr 0/0std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) { std::string res{type_name}; if (prec) { res += "(" + std::to_string(prec); @@ -580,20 +598,20 @@ it is collected in a stack-based buffer, without allocation or deallocation.7.5110.28.1617.618.0
    BuildTypeNameExp 0/0std::string buildTypeNameExp(ssa type_name, size_t prec, size_t scale) { +}7.0810.38.4818.817.5
    BuildTypeNameExp 0/0std::string buildTypeNameExp(ssa type_name, size_t prec, size_t scale) { if (prec) { return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")"; } return type_name; -}6.396.447.6614.017.5
    BuildTypeNameSim 0/0stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) { +}6.676.717.6712.816.4
    BuildTypeNameSim 0/0stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) { if (prec) { return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")"; } return type_name; -}4.205.147.7314.815.6
    BuildTypeNameStr 10/10std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) { +}5.115.477.6716.716.5
    BuildTypeNameStr 10/10std::string buildTypeNameStr(std::string_view type_name, size_t prec, size_t scale) { std::string res{type_name}; if (prec) { res += "(" + std::to_string(prec); @@ -603,31 +621,31 @@ it is collected in a stack-based buffer, without allocation or deallocation.65.685.159.779.7296
    BuildTypeNameExp 10/10std::string buildTypeNameExp(ssa type_name, size_t prec, size_t scale) { +}63.183.060.084.4283
    BuildTypeNameExp 10/10std::string buildTypeNameExp(ssa type_name, size_t prec, size_t scale) { if (prec) { return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")"; } return type_name; -}33.726.532.437.9106
    BuildTypeNameSim 10/10stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) { +}31.024.532.440.298.2
    BuildTypeNameSim 10/10stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) { if (prec) { return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")"; } return type_name; -}23.122.425.637.672.9
    22.725.324.938.074.6

    # Replace string by copy

    - - + +simstr has a string expression for replacing substrings out of the box.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Concat with replace strstd::string make_str_str(std::string_view from, std::string_view pattern, std::string_view repl) { +
    Concat with replace strstd::string make_str_str(std::string_view from, std::string_view pattern, std::string_view repl) { auto str_replace = [](std::string_view from, std::string_view pattern, std::string_view repl) { std::string result; for (size_t offset = 0; ;) { @@ -643,74 +661,74 @@ it is collected in a stack-based buffer, without allocation or deallocation."; -}210228349341496
    Concat with replace expstd::string make_str_exp(std::string_view from, std::string_view pattern, std::string_view repl) { +}211403314341436
    Concat with replace expstd::string make_str_exp(std::string_view from, std::string_view pattern, std::string_view repl) { return "<" + e_repl(from, pattern, repl) + ">"; } >> В simstr строковое выражение для замены подстрок есть "из коробки". -simstr has a string expression for replacing substrings out of the box.138133229224284
    163175213225259

    # Create Empty Str

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string e;template<typename T> +
    std::string e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } } >> Пустые строки, ничего необычного. -Empty lines, nothing unusual.1.091.111.132.222.16
    std::string_view e;template<typename T> +Empty lines, nothing unusual.1.131.101.122.532.15
    std::string_view e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } -}0.3650.7330.3641.880.989
    ssa e;template<typename T> +}0.3690.7480.3781.831.03
    ssa e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } -}0.3630.1820.3571.470.945
    stringa e;template<typename T> +}0.3630.1800.3771.900.941
    stringa e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } -}0.7300.7380.7422.202.16
    lstringa<20> e;template<typename T> +}0.7580.7440.7342.362.15
    lstringa<20> e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } -}1.131.121.112.552.22
    lstringa<40> e;template<typename T> +}1.131.111.092.592.25
    lstringa<40> e;template<typename T> void CreateEmpty(benchmark::State& state) { for (auto _: state) { T empty_string; benchmark::DoNotOptimize(empty_string); } -}1.141.121.112.572.54
    1.131.111.072.562.51

    # Create Str from short literal (9 symbols)

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string e = "Test text";template<typename T> +
    std::string e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; @@ -719,8 +737,8 @@ void CreateShortLiteral(benchmark::State& state) { } >> Короткий литерал помещается во внутренний буфер std::string, время тратится только на копирование 10 байтов. The short literal is placed in the internal std::string buffer; -time is spent only copying 10 bytes.1.831.991.802.602.29
    std::string_view e = "Test text";template<typename T> +time is spent only copying 10 bytes.1.831.841.802.592.32
    std::string_view e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; @@ -729,15 +747,15 @@ void CreateShortLiteral(benchmark::State& state) { } >> И string_view, и ssa - по сути одно и то же: указатель на текст и его длина. Both string_view and ssa are essentially the same thing: -a pointer to text and its length.0.7340.7780.7301.791.24
    ssa e = "Test text";template<typename T> +a pointer to text and its length.0.7350.7500.7231.821.23
    ssa e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; benchmark::DoNotOptimize(empty_string); } -}0.3720.7470.3681.790.976
    stringa e = "Test text";template<typename T> +}0.3920.7320.3641.820.982
    stringa e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; @@ -746,8 +764,8 @@ void CreateShortLiteral(benchmark::State& state) { } >> stringa при инициализации константным литералом так же сохраняет только указатель на текст и его длину. When initialized with a constant literal, stringa also stores -only a pointer to the text and its length.1.111.091.112.212.22
    lstringa<20> e = "Test text";template<typename T> +only a pointer to the text and its length.1.211.111.093.002.25
    lstringa<20> e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; @@ -756,26 +774,26 @@ void CreateShortLiteral(benchmark::State& state) { } >> Внутреннего буфера хватает для размещения символов, время уходит только на копирование байтов. The internal buffer is sufficient to accommodate characters; -time is spent only on copying bytes.1.851.831.842.622.64
    lstringa<40> e = "Test text";template<typename T> +time is spent only on copying bytes.2.031.821.802.532.73
    lstringa<40> e = "Test text";template<typename T> void CreateShortLiteral(benchmark::State& state) { for (auto _: state) { T empty_string = TEST_TEXT; benchmark::DoNotOptimize(empty_string); } -}1.891.841.832.572.65
    1.841.841.822.562.65

    # Create Str from long literal (30 symbols)

    - - + - + - + - + - + +bytes are simply copied.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string e = "123456789012345678901234567890";template<typename T> +
    std::string e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; @@ -786,8 +804,8 @@ void CreateLongLiteral(benchmark::State& state) { Но как же отстает аллокация под Windows от Linux'а, 20 vs 70 ns... Here, the literal doesn't fit into the internal buffer, and 30 bytes are allocated and copied. -But how much slower is allocation under Windows than under Linux, 20 ns vs. 70 ns...19.319.070.180.216.3
    std::string_view e = "123456789012345678901234567890";template<typename T> +But how much slower is allocation under Windows than under Linux, 20 ns vs. 70 ns...18.918.771.379.515.9
    std::string_view e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; @@ -796,23 +814,23 @@ void CreateLongLiteral(benchmark::State& state) { } >> string_view и ssa по прежнему ничего не делают, кроме запоминания указателя на текст и его размера. string_view and ssa still do nothing except -remember the pointer to the text and its size.0.7390.7350.7571.821.23
    ssa e = "123456789012345678901234567890";template<typename T> +remember the pointer to the text and its size.0.7330.7450.7221.831.26
    ssa e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; benchmark::DoNotOptimize(empty_string); } -}0.3860.7220.3911.840.976
    stringa e = "123456789012345678901234567890";template<typename T> +}0.3680.7820.3731.820.971
    stringa e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; benchmark::DoNotOptimize(empty_string); } } >> stringa на константных литералах не отстает! -stringa doesn't lag behind on constant literals!1.121.091.122.522.27
    lstringa<20> e = "123456789012345678901234567890";template<typename T> +stringa doesn't lag behind on constant literals!1.101.141.102.202.23
    lstringa<20> e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; @@ -820,8 +838,8 @@ void CreateLongLiteral(benchmark::State& state) { } } >> lstringa<20> может вместить в себя до 23 символов, Очевидно, что для 30-и символов уже нужна аллокация. -Obviously, 30 characters already require allocation.21.720.376.977.317.1
    lstringa<40> e = "123456789012345678901234567890";template<typename T> +Obviously, 30 characters already require allocation.20.220.071.081.816.5
    lstringa<40> e = "123456789012345678901234567890";template<typename T> void CreateLongLiteral(benchmark::State& state) { for (auto _: state) { T empty_string{LONG_TEXT}; @@ -830,19 +848,19 @@ void CreateLongLiteral(benchmark::State& state) { } >> А в lstringa<40> влезает до 47 символов, так что просто копируется 30 байтов. And lstringa<40> can hold up to 47 characters, so 30 -bytes are simply copied.2.601.832.563.303.01
    2.561.922.513.353.16

    # Create copy of Str with 9 symbols

    - - + - + - + - + - + +Only bytes are copied.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string e = "Test text"; auto c{e};template<typename T> +
    std::string e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -851,8 +869,8 @@ void CopyShortString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> Строка в пределах SSO, так что просто копирует байты. -The string is within the SSO, so it just copies the bytes.6.074.881.825.242.21
    std::string_view e = "Test text"; auto c{e};template<typename T> +The string is within the SSO, so it just copies the bytes.5.384.892.015.062.24
    std::string_view e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -860,8 +878,8 @@ void CopyShortString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}0.3820.3780.3692.911.24
    ssa e = "Test text"; auto c{e};template<typename T> +}0.3750.3790.3833.801.24
    ssa e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -872,8 +890,8 @@ void CopyShortString(benchmark::State& state) { } >> ssa и string_view не владеют строкой, копируется только информация о строке. ssa and string_view don't own the string; only the -string information is copied.0.3670.3750.3652.881.23
    stringa e = "Test text"; auto c{e};template<typename T> +string information is copied.0.3640.3680.3733.791.23
    stringa e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -884,8 +902,8 @@ void CopyShortString(benchmark::State& state) { } >> Копирование stringa происходит быстро, особенно если она инициализирована литералом. Copying a stringa is fast, -especially if it is initialized with a literal.1.121.091.284.092.64
    lstringa<20> e = "Test text"; auto c{e};template<typename T> +especially if it is initialized with a literal.1.091.321.344.172.61
    lstringa<20> e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -894,8 +912,8 @@ void CopyShortString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> В обоих случаях хватает внутреннего буфера. -In both cases, the internal buffer is sufficient.4.124.524.777.6015.5
    lstringa<40> e = "Test text"; auto c{e};template<typename T> +In both cases, the internal buffer is sufficient.4.574.435.058.2916.2
    lstringa<40> e = "Test text"; auto c{e};template<typename T> void CopyShortString(benchmark::State& state) { T x{TEST_TEXT}; for (auto _: state) { @@ -904,19 +922,19 @@ void CopyShortString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> Только копируются байты. -Only bytes are copied.4.374.454.898.3714.8
    4.524.575.128.0914.7

    # Create copy of Str with 30 symbols

    - - + - + - + - + - + +Placed in the internal buffer.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string e = "123456789012345678901234567890"; auto c{e};template<typename T> +
    std::string e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { @@ -926,24 +944,24 @@ void CopyLongString(benchmark::State& state) { } >> Копирования длинной строки вызывает аллокацию, SSO уже не хватает. И снова как же отстаёт аллокация под Windows... Copying a long string causes allocations, -SSO is no longer sufficient. And again, how allocation lags under Windows...20.123.570.677.936.8
    std::string_view e = "123456789012345678901234567890"; auto c{e};template<typename T> +SSO is no longer sufficient. And again, how allocation lags under Windows...18.823.871.580.237.7
    std::string_view e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { T copy{x}; benchmark::DoNotOptimize(copy); } -}0.7320.7380.7262.041.25
    ssa e = "123456789012345678901234567890"; auto c{e};template<typename T> +}0.7310.7260.7191.491.23
    ssa e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { T copy{x}; benchmark::DoNotOptimize(copy); } -}0.3760.7450.3622.070.975
    stringa e = "123456789012345678901234567890"; auto c{e};template<typename T> +}0.3680.7340.3651.470.989
    stringa e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { @@ -953,8 +971,8 @@ void CopyLongString(benchmark::State& state) { } >> А вот у stringa копирование литерала не зависит от его длины, сравни с предыдущим бенчмарком. But with stringa, literal copying doesn't depend on its length, -compare with the previous benchmark.1.151.211.822.942.24
    lstringa<20> e = "123456789012345678901234567890"; auto c{e};template<typename T> +compare with the previous benchmark.1.121.151.833.402.19
    lstringa<20> e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { @@ -962,8 +980,8 @@ void CopyLongString(benchmark::State& state) { benchmark::DoNotOptimize(copy); } } >> Не влезает, аллокация. -Doesn't fit, allocation.21.522.477.580.515.9
    lstringa<40> e = "123456789012345678901234567890"; auto c{e};template<typename T> +Doesn't fit, allocation.19.521.371.380.116.2
    lstringa<40> e = "123456789012345678901234567890"; auto c{e};template<typename T> void CopyLongString(benchmark::State& state) { T x = LONG_TEXT; for (auto _: state) { @@ -971,19 +989,19 @@ void CopyLongString(benchmark::State& state) { benchmark::DoNotOptimize(copy); } } >> Уложили во внутренний буфер. -Placed in the internal buffer.4.045.094.616.8114.8
    4.505.184.747.0713.7

    # Find 9 symbols text in end of 99 symbols text

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string::find;template<typename T> +
    std::string::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1000,8 +1018,8 @@ void Find(benchmark::State& state) { } >> Здесь "победила дружба", у всех типов по колонке примерно одинаково. Однако, Windows и Linux явно в разных весовых категориях. Here, "friendship wins," with all types scoring roughly equally. -However, Windows and Linux are clearly in different weight classes.6.676.9440.943.744.9
    std::string_view::find;template<typename T> +However, Windows and Linux are clearly in different weight classes.7.006.6539.141.545.9
    std::string_view::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1015,8 +1033,8 @@ void Find(benchmark::State& state) { benchmark::DoNotOptimize(i); benchmark::DoNotOptimize(x); } -}7.816.6638.242.151.6
    ssa::find;template<typename T> +}8.276.6338.739.751.0
    ssa::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1030,8 +1048,8 @@ void Find(benchmark::State& state) { benchmark::DoNotOptimize(i); benchmark::DoNotOptimize(x); } -}7.116.5719.122.249.0
    stringa::find;template<typename T> +}7.686.3317.421.748.9
    stringa::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1045,8 +1063,8 @@ void Find(benchmark::State& state) { benchmark::DoNotOptimize(i); benchmark::DoNotOptimize(x); } -}7.186.6817.530.351.1
    lstringa<20>::find;template<typename T> +}7.926.6518.429.851.8
    lstringa<20>::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1060,8 +1078,8 @@ void Find(benchmark::State& state) { benchmark::DoNotOptimize(i); benchmark::DoNotOptimize(x); } -}7.106.6018.220.443.9
    lstringa<40>::find;template<typename T> +}6.916.6717.422.144.6
    lstringa<40>::find;template<typename T> void Find(benchmark::State& state) { T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT}; for (auto _: state) { @@ -1075,19 +1093,19 @@ void Find(benchmark::State& state) { benchmark::DoNotOptimize(i); benchmark::DoNotOptimize(x); } -}6.696.8317.422.444.6
    7.146.4417.520.543.8

    # Copy not literal Str with N symbols

    - - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string copy{str_with_len_N};/15template<typename T> +
    std::string copy{str_with_len_N};/15template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1095,8 +1113,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}5.615.531.845.0435.7
    std::string copy{str_with_len_N};/16template<typename T> +}5.344.831.844.3638.2
    std::string copy{str_with_len_N};/16template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1109,8 +1127,8 @@ void CopyDynString(benchmark::State& state) { SSO у std::string меньше, насколько я помню, 11 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 + 0.23.023.779.181.535.9
    std::string copy{str_with_len_N};/23template<typename T> +smaller, as far as I remember: 11 characters + 0.24.623.776.484.636.1
    std::string copy{str_with_len_N};/23template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1119,8 +1137,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> Дальше просто добавляется время на копирование байтов. -Then the time for copying bytes is simply added.23.023.478.481.836.3
    std::string copy{str_with_len_N};/24template<typename T> +Then the time for copying bytes is simply added.26.226.375.483.236.6
    std::string copy{str_with_len_N};/24template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1128,8 +1146,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}22.923.278.182.537.4
    std::string copy{str_with_len_N};/32template<typename T> +}28.625.275.186.137.7
    std::string copy{str_with_len_N};/32template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1137,8 +1155,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}22.423.479.286.141.8
    std::string copy{str_with_len_N};/64template<typename T> +}25.523.081.485.445.9
    std::string copy{str_with_len_N};/64template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1146,8 +1164,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}23.122.480.387.940.9
    std::string copy{str_with_len_N};/128template<typename T> +}23.924.481.781.644.9
    std::string copy{str_with_len_N};/128template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1155,8 +1173,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}24.226.983.290.143.9
    std::string copy{str_with_len_N};/256template<typename T> +}25.424.784.388.644.1
    std::string copy{str_with_len_N};/256template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1164,8 +1182,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}24.724.886.788.253.7
    std::string copy{str_with_len_N};/512template<typename T> +}25.125.583.990.154.8
    std::string copy{str_with_len_N};/512template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1173,8 +1191,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}29.228.587.189.450.9
    std::string copy{str_with_len_N};/1024template<typename T> +}28.729.288.589.353.5
    std::string copy{str_with_len_N};/1024template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1182,8 +1200,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}45.346.798.295.258.1
    std::string copy{str_with_len_N};/2048template<typename T> +}46.945.891.495.862.2
    std::string copy{str_with_len_N};/2048template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1191,8 +1209,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}12312713113483.5
    std::string copy{str_with_len_N};/4096template<typename T> +}69.571.112813288.4
    std::string copy{str_with_len_N};/4096template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1201,8 +1219,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> Чем длиннее строка, тем дольше создаётся копия. -The longer the string, the longer it takes to create a copy.153155178184126
    stringa copy{str_with_len_N};/15template<typename T> +The longer the string, the longer it takes to create a copy.118121178180154
    stringa copy{str_with_len_N};/15template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1213,8 +1231,8 @@ void CopyDynString(benchmark::State& state) { } >> Здесь stringa инициализируется не литералом, а значит, должна сама хранить символы. Here, stringa is not initialized with a literal, -meaning it must store characters itself.1.101.141.404.012.57
    stringa copy{str_with_len_N};/16template<typename T> +meaning it must store characters itself.1.111.301.333.972.70
    stringa copy{str_with_len_N};/16template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1227,8 +1245,8 @@ void CopyDynString(benchmark::State& state) { инкремент заменён на обычный, судя по времени. Under WASM, stringa has a 15-character SSO. Furthermore, it was built without thread support, so the atomic -increment was replaced with a regular one, judging by the time.1.111.141.383.994.88
    stringa copy{str_with_len_N};/23template<typename T> +increment was replaced with a regular one, judging by the time.1.111.291.284.095.04
    stringa copy{str_with_len_N};/23template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1239,8 +1257,8 @@ void CopyDynString(benchmark::State& state) { } >> SSO в stringa до 23 символов, и даже 23 копируются быстрее, чем 15 в std::string. SSO in stringa is up to 23 characters, and even 23 -copies faster than 15 in std::string.1.101.121.314.114.85
    stringa copy{str_with_len_N};/24template<typename T> +copies faster than 15 in std::string.1.131.281.274.044.81
    stringa copy{str_with_len_N};/24template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1251,8 +1269,8 @@ void CopyDynString(benchmark::State& state) { } >> Всё, не влезаем в SSO, а значит, используем shared буфер. Добавляется время на атомарный инкремент счётчика. That's it, we're not using SSO, so we're using a shared buffer. -Time is added for the atomic counter increment.16.216.115.818.44.88
    stringa copy{str_with_len_N};/32template<typename T> +Time is added for the atomic counter increment.16.015.915.818.44.82
    stringa copy{str_with_len_N};/32template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1260,8 +1278,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.316.015.918.64.97
    stringa copy{str_with_len_N};/64template<typename T> +}16.116.115.819.04.76
    stringa copy{str_with_len_N};/64template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1269,8 +1287,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.416.116.018.84.98
    stringa copy{str_with_len_N};/128template<typename T> +}16.015.916.018.44.79
    stringa copy{str_with_len_N};/128template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1278,8 +1296,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.616.215.918.44.88
    stringa copy{str_with_len_N};/256template<typename T> +}16.016.116.018.94.98
    stringa copy{str_with_len_N};/256template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1287,8 +1305,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.316.115.818.34.84
    stringa copy{str_with_len_N};/512template<typename T> +}15.916.016.018.24.87
    stringa copy{str_with_len_N};/512template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1296,8 +1314,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.316.315.818.44.82
    stringa copy{str_with_len_N};/1024template<typename T> +}15.916.115.818.54.79
    stringa copy{str_with_len_N};/1024template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1305,8 +1323,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.416.015.818.34.85
    stringa copy{str_with_len_N};/2048template<typename T> +}16.016.115.818.44.81
    stringa copy{str_with_len_N};/2048template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1314,8 +1332,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}16.316.016.018.34.85
    stringa copy{str_with_len_N};/4096template<typename T> +}16.116.215.918.34.84
    stringa copy{str_with_len_N};/4096template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1326,8 +1344,8 @@ void CopyDynString(benchmark::State& state) { } >> И как видно, кроме инкремента нет накладных расходов, время копирования не зависит от длины строки. And as you can see, there are no overhead costs other than the -increment; copying time does not depend on the string length.16.316.215.819.64.80
    lstringa<16> copy{str_with_len_N};/15template<typename T> +increment; copying time does not depend on the string length.16.016.215.718.44.86
    lstringa<16> copy{str_with_len_N};/15template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1338,8 +1356,8 @@ void CopyDynString(benchmark::State& state) { } >> lstringa<16> использует SSO до 23 символов. А в WASM 32-битная архитектура, SSO до 19 символов. lstringa<16> uses SSO up to 23 characters. -WASM has a 32-bit architecture, so SSO is up to 19 characters.4.194.484.587.2314.3
    lstringa<16> copy{str_with_len_N};/16template<typename T> +WASM has a 32-bit architecture, so SSO is up to 19 characters.4.454.435.108.0514.4
    lstringa<16> copy{str_with_len_N};/16template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1347,8 +1365,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.234.404.387.8914.7
    lstringa<16> copy{str_with_len_N};/23template<typename T> +}4.604.885.718.0014.5
    lstringa<16> copy{str_with_len_N};/23template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1356,8 +1374,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.114.564.497.6429.7
    lstringa<16> copy{str_with_len_N};/24template<typename T> +}4.535.225.818.6229.6
    lstringa<16> copy{str_with_len_N};/24template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1366,8 +1384,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> И после начинает вести себя при копировании, как std::string. -And then it starts to behave like std::string when copied.23.423.775.083.529.6
    lstringa<16> copy{str_with_len_N};/32template<typename T> +And then it starts to behave like std::string when copied.24.424.484.086.232.4
    lstringa<16> copy{str_with_len_N};/32template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1375,8 +1393,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}23.223.477.287.132.2
    lstringa<16> copy{str_with_len_N};/64template<typename T> +}23.524.184.785.742.4
    lstringa<16> copy{str_with_len_N};/64template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1384,8 +1402,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}24.425.377.883.734.5
    lstringa<16> copy{str_with_len_N};/128template<typename T> +}25.725.481.182.937.6
    lstringa<16> copy{str_with_len_N};/128template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1393,8 +1411,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}24.426.683.584.134.3
    lstringa<16> copy{str_with_len_N};/256template<typename T> +}26.225.685.187.238.7
    lstringa<16> copy{str_with_len_N};/256template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1402,8 +1420,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}26.228.284.385.948.1
    lstringa<16> copy{str_with_len_N};/512template<typename T> +}27.129.785.487.651.0
    lstringa<16> copy{str_with_len_N};/512template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1411,8 +1429,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}28.931.983.587.447.2
    lstringa<16> copy{str_with_len_N};/1024template<typename T> +}32.134.088.692.147.3
    lstringa<16> copy{str_with_len_N};/1024template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1420,8 +1438,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}93.796.493.896.453.7
    lstringa<16> copy{str_with_len_N};/2048template<typename T> +}54.753.792.610356.8
    lstringa<16> copy{str_with_len_N};/2048template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1429,8 +1447,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}10710713213179.5
    lstringa<16> copy{str_with_len_N};/4096template<typename T> +}62.166.713212883.2
    lstringa<16> copy{str_with_len_N};/4096template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1438,8 +1456,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}121126188193123
    lstringa<512> copy{str_with_len_N};/15template<typename T> +}87.488.0186188141
    lstringa<512> copy{str_with_len_N};/15template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1447,8 +1465,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.495.384.868.0514.8
    lstringa<512> copy{str_with_len_N};/16template<typename T> +}4.785.145.068.5214.5
    lstringa<512> copy{str_with_len_N};/16template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1456,8 +1474,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.615.514.968.0615.7
    lstringa<512> copy{str_with_len_N};/23template<typename T> +}4.845.185.168.5315.1
    lstringa<512> copy{str_with_len_N};/23template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1465,8 +1483,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.755.674.868.2415.3
    lstringa<512> copy{str_with_len_N};/24template<typename T> +}4.935.435.018.4814.7
    lstringa<512> copy{str_with_len_N};/24template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1474,8 +1492,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}5.415.454.998.0215.2
    lstringa<512> copy{str_with_len_N};/32template<typename T> +}4.795.235.108.7414.9
    lstringa<512> copy{str_with_len_N};/32template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1483,8 +1501,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}4.775.078.6510.918.3
    lstringa<512> copy{str_with_len_N};/64template<typename T> +}4.564.778.4511.917.9
    lstringa<512> copy{str_with_len_N};/64template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1492,8 +1510,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}6.396.547.9910.818.2
    lstringa<512> copy{str_with_len_N};/128template<typename T> +}6.356.298.1311.817.4
    lstringa<512> copy{str_with_len_N};/128template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1501,8 +1519,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}6.257.268.0911.419.2
    lstringa<512> copy{str_with_len_N};/256template<typename T> +}6.597.269.9912.317.9
    lstringa<512> copy{str_with_len_N};/256template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1510,8 +1528,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}8.318.609.3012.419.6
    lstringa<512> copy{str_with_len_N};/512template<typename T> +}17.27.809.9313.019.7
    lstringa<512> copy{str_with_len_N};/512template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1522,8 +1540,8 @@ void CopyDynString(benchmark::State& state) { } >> Даже 512 символов копируются быстрее, чем одна аллокация или атомарный инкремент. Even 512 characters are copied faster than a single -allocation or atomic increment.10.111.511.014.222.9
    lstringa<512> copy{str_with_len_N};/1024template<typename T> +allocation or atomic increment.10.110.410.814.422.2
    lstringa<512> copy{str_with_len_N};/1024template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1532,8 +1550,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(x); } } >> А дальше уже как у всех. -And then it's like everyone else.94.610899.199.557.1
    lstringa<512> copy{str_with_len_N};/2048template<typename T> +And then it's like everyone else.56.454.193.710155.1
    lstringa<512> copy{str_with_len_N};/2048template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1541,8 +1559,8 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}10611013213279.9
    lstringa<512> copy{str_with_len_N};/4096template<typename T> +}67.166.612412580.3
    lstringa<512> copy{str_with_len_N};/4096template<typename T> void CopyDynString(benchmark::State& state) { T x(state.range(0), 'a'); for (auto _: state) { @@ -1550,61 +1568,61 @@ void CopyDynString(benchmark::State& state) { benchmark::DoNotOptimize(copy); benchmark::DoNotOptimize(x); } -}127135184194123
    88.785.3187188149

    # Convert to int '1234567'

    - - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);void ToIntStr10(benchmark::State& state, const std::string& s, int c) { +
    std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);void ToIntStr10(benchmark::State& state, const std::string& s, int c) { for (auto _: state) { int res = std::strtol(s.c_str(), nullptr, 10); #ifdef CHECK_RESULT @@ -1623,8 +1641,8 @@ void CopyDynString(benchmark::State& state) { In simstr, a string fragment is sufficient for conversion to a number; there's no need for null termination. The closest analog to this behavior is "std::from_chars," but unfortunately, it is very limited in its capabilities. -Here, I attempted to run tests that are similar in logic to std::from_chars.27.127.930.732.171.7
    std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);void ToIntFromChars10(benchmark::State& state, const std::string_view& s, int c) { +Here, I attempted to run tests that are similar in logic to std::from_chars.26.426.831.231.873.7
    std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);void ToIntFromChars10(benchmark::State& state, const std::string_view& s, int c) { for (auto _: state) { int res = 0; std::from_chars(s.data(), s.data() + s.size(), res, 10); @@ -1639,8 +1657,8 @@ Here, I attempted to run tests that are similar in logic to std::from_chars. >> from_chars требует точного указания основания счисления, не допускает знаков плюс, пробелов, префиксов 0x и т.п. from_chars requires an exact radix specification and does not allow plus -signs, spaces, 0x prefixes, etc.15.312.513.713.727.1
    stringa s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> +signs, spaces, 0x prefixes, etc.14.711.313.414.027.8
    stringa s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> void ToIntSimStr10(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 10, false, false>().value; @@ -1656,8 +1674,8 @@ void ToIntSimStr10(benchmark::State& state, T t, int c) { } >> Здесь для to_int заданы такие же ограничения - проверять переполнение, десятичная система, без лидирующих пробелов и знака плюс Here, to_int has the same restrictions: check for overflow, -decimal system, no leading spaces, and no plus sign.12.98.3214.414.618.7
    ssa s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> +decimal system, no leading spaces, and no plus sign.12.78.0714.014.919.1
    ssa s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> void ToIntSimStr10(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 10, false, false>().value; @@ -1670,8 +1688,8 @@ void ToIntSimStr10(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}12.67.9213.715.117.0
    lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> +}13.18.0213.015.217.1
    lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>template<typename T> void ToIntSimStr10(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 10, false, false>().value; @@ -1684,18 +1702,18 @@ void ToIntSimStr10(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}12.48.4613.115.116.9
    12.68.1613.115.717.3

    # Convert to unsigned 'abcDef'

    - - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);void ToIntStr16(benchmark::State& state, const std::string& s, int c) { +
    std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);void ToIntStr16(benchmark::State& state, const std::string& s, int c) { for (auto _: state) { int res = std::strtol(s.c_str(), nullptr, 16); #ifdef CHECK_RESULT @@ -1707,8 +1725,8 @@ void ToIntSimStr10(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); } } >> Всё то же, только для 16ричной системы -Everything is the same, only for the hexadecimal system23.825.533.535.554.3
    std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);void ToIntFromChars16(benchmark::State& state, const std::string_view& s, int c) { +Everything is the same, only for the hexadecimal system23.223.533.436.555.0
    std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);void ToIntFromChars16(benchmark::State& state, const std::string_view& s, int c) { for (auto _: state) { int res = 0; std::from_chars(s.data(), s.data() + s.size(), res, 16); @@ -1720,8 +1738,8 @@ Everything is the same, only for the hexadecimal system9.6410.38.1013.228.7
    stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> +}9.5310.08.219.4028.2
    stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> void ToIntSimStr16(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 16, false, false>().value; @@ -1734,8 +1752,8 @@ void ToIntSimStr16(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}13.58.2312.014.017.7
    ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> +}11.48.1512.314.317.4
    ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> void ToIntSimStr16(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 16, false, false>().value; @@ -1748,8 +1766,8 @@ void ToIntSimStr16(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}13.37.9912.013.816.0
    lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> +}11.28.0311.712.816.3
    lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>template<typename T> void ToIntSimStr16(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int, true, 16, false, false>().value; @@ -1762,18 +1780,18 @@ void ToIntSimStr16(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}12.38.3611.713.116.0
    11.37.8611.814.516.5

    # Convert to int ' 1234567'

    - - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);void ToIntStr0(benchmark::State& state, const std::string& s, int c) { +
    std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);void ToIntStr0(benchmark::State& state, const std::string& s, int c) { for (auto _: state) { int res = std::strtol(s.c_str(), nullptr, 0); #ifdef CHECK_RESULT @@ -1785,8 +1803,8 @@ void ToIntSimStr16(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); } } >> А здесь уже парсинг произвольного числа. -And here we have parsing of an arbitrary number.28.528.843.544.681.3
    stringa s = " 123456789"; int res = s.to_int<int>; // Check overflowtemplate<typename T> +And here we have parsing of an arbitrary number.28.928.243.345.178.2
    stringa s = " 123456789"; int res = s.to_int<int>; // Check overflowtemplate<typename T> void ToIntSimStr0(benchmark::State& state, T t, int c) { for (auto _: state) { int res = t. template to_int<int>().value; @@ -1799,8 +1817,8 @@ void ToIntSimStr0(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}19.115.117.719.024.5
    ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflowvoid ToIntNoOverflow(benchmark::State& state, ssa t, int c) { +}18.915.317.722.623.2
    ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflowvoid ToIntNoOverflow(benchmark::State& state, ssa t, int c) { for (auto _: state) { int res = t.to_int<int, false>().value; #ifdef CHECK_RESULT @@ -1812,16 +1830,16 @@ void ToIntSimStr0(benchmark::State& state, T t, int c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}15.410.616.517.523.2
    14.913.716.716.823.4

    # Convert to double '1234.567e10'

    - - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);void ToDoubleStr(benchmark::State& state, const std::string& s, double c) { +
    std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);void ToDoubleStr(benchmark::State& state, const std::string& s, double c) { for (auto _: state) { char* ptr = nullptr; double res = std::strtod(s.c_str(), &ptr); @@ -1836,8 +1854,8 @@ void ToIntSimStr0(benchmark::State& state, T t, int c) { #endif benchmark::DoNotOptimize(res); } -}66.365.110099.7197
    std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);void ToDoubleFromChars(benchmark::State& state, const std::string_view& s, double c) { +}66.767.910199.9210
    std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);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{}) { @@ -1851,8 +1869,8 @@ void ToIntSimStr0(benchmark::State& state, T t, int c) { #endif benchmark::DoNotOptimize(res); } -}23.923.859.380.0107
    ssa s = "1234.567e10"; double res = *s.to_double()template<typename T> +}24.926.161.479.1113
    ssa s = "1234.567e10"; double res = *s.to_double()template<typename T> void ToDoubleSimStr(benchmark::State& state, T t, double c) { for (auto _: state) { auto r = t.template to_double<false>(); @@ -1869,16 +1887,16 @@ void ToDoubleSimStr(benchmark::State& state, T t, double c) { benchmark::DoNotOptimize(res); benchmark::DoNotOptimize(t); } -}25.824.734.936.142.3
    25.424.935.235.143.5

    # Append const literal of 16 bytes 64 times, 1024 total length

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::stringstream str; ... str << "abbaabbaabbaabba";void AppendStreamConstLiteral(benchmark::State& state) { +
    std::stringstream str; ... str << "abbaabbaabbaabba";void AppendStreamConstLiteral(benchmark::State& state) { for (auto _: state) { std::string result; std::stringstream str; @@ -1895,8 +1913,8 @@ void ToDoubleSimStr(benchmark::State& state, T t, double c) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(str); } -}13431335482955334356
    std::string str; ... str += "abbaabbaabbaabba";void AppendStdStringConstLiteral(benchmark::State& state) { +}13821400481157214444
    std::string str; ... str += "abbaabbaabbaabba";void AppendStdStringConstLiteral(benchmark::State& state) { for (auto _: state) { std::string result; for (size_t c = 0; c < 64; c++) { @@ -1910,8 +1928,8 @@ void ToDoubleSimStr(benchmark::State& state, T t, double c) { #endif benchmark::DoNotOptimize(result); } -}40038010791309595
    lstringa<8> str; ... str += "abbaabbaabbaabba";template<unsigned N> +}34733910921309625
    lstringa<8> str; ... str += "abbaabbaabbaabba";template<unsigned N> void AppendLstringConstLiteral(benchmark::State& state) { for (auto _: state) { lstringa<N> result; @@ -1926,8 +1944,8 @@ void AppendLstringConstLiteral(benchmark::State& state) { #endif benchmark::DoNotOptimize(result); } -}384394747947741
    lstringa<128> str; ... str += "abbaabbaabbaabba";template<unsigned N> +}363357739919758
    lstringa<128> str; ... str += "abbaabbaabbaabba";template<unsigned N> void AppendLstringConstLiteral(benchmark::State& state) { for (auto _: state) { lstringa<N> result; @@ -1945,8 +1963,8 @@ void AppendLstringConstLiteral(benchmark::State& state) { } >> Чем больше внутренний буфер, тем меньше раз требуется аллокация, тем быстрее результат. The larger the internal buffer, the fewer allocations are -required, and the faster the result.282272391523571
    lstringa<512> str; ... str += "abbaabbaabbaabba";template<unsigned N> +required, and the faster the result.249238381511584
    lstringa<512> str; ... str += "abbaabbaabbaabba";template<unsigned N> void AppendLstringConstLiteral(benchmark::State& state) { for (auto _: state) { lstringa<N> result; @@ -1961,8 +1979,8 @@ void AppendLstringConstLiteral(benchmark::State& state) { #endif benchmark::DoNotOptimize(result); } -}255250238348464
    lstringa<1024> str; ... str += "abbaabbaabbaabba";template<unsigned N> +}213211230355458
    lstringa<1024> str; ... str += "abbaabbaabbaabba";template<unsigned N> void AppendLstringConstLiteral(benchmark::State& state) { for (auto _: state) { lstringa<N> result; @@ -1977,19 +1995,19 @@ void AppendLstringConstLiteral(benchmark::State& state) { #endif benchmark::DoNotOptimize(result); } -}154140156234396
    135141136242416

    # Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::stringstream str; ... str << str_var << "abbaabbaabbaabba";void AppendStreamStrConstLiteral(benchmark::State& state) { +
    std::stringstream str; ... str << str_var << "abbaabbaabbaabba";void AppendStreamStrConstLiteral(benchmark::State& state) { std::string s1 = TEXT_16; for (auto _: state) { std::string result; @@ -2007,8 +2025,8 @@ void AppendLstringConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(s1); } -}14401363451258234443
    std::string str; ... str += str_var + "abbaabbaabbaabba";void AppendStdStrStrConstLiteral(benchmark::State& state) { +}13711387470155614444
    std::string str; ... str += str_var + "abbaabbaabbaabba";void AppendStdStrStrConstLiteral(benchmark::State& state) { std::string p1 = TEXT_16; for (auto _: state) { std::string result; @@ -2024,8 +2042,8 @@ void AppendLstringConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}12211255373040971968
    lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> +}12661230372938422032
    lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> void AppendLstringStrConstLiteral(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2042,8 +2060,8 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}444484702880921
    lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> +}413388711828874
    lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> void AppendLstringStrConstLiteral(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2060,8 +2078,8 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}366459448561694
    lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> +}315348450546729
    lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> void AppendLstringStrConstLiteral(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2078,8 +2096,8 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}297354298380656
    lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> +}287303302384588
    lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";template<unsigned N> void AppendLstringStrConstLiteral(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2096,19 +2114,19 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}201245207277543
    231250209267580

    # Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 timesvoid AppendStreamStrConstLiteralBig(benchmark::State& state) { +
    std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 timesvoid AppendStreamStrConstLiteralBig(benchmark::State& state) { std::string s1 = TEXT_16; for (auto _: state) { std::string result; @@ -2126,8 +2144,8 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(s1); } -}7716973412217555307647223755
    std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 timesvoid AppendStdStrStrConstLiteralBig(benchmark::State& state) { +}116458110614226339272552223603
    std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 timesvoid AppendStdStrStrConstLiteralBig(benchmark::State& state) { std::string p1 = TEXT_16; for (auto _: state) { std::string result; @@ -2143,8 +2161,8 @@ void AppendLstringStrConstLiteral(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}7373571780187292186310106717
    lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> +}7168872502196248193600116339
    lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> void AppendLstringStrConstLiteralBig(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2161,8 +2179,8 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}2320921248191252402440706
    lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> +}4046142661185862527044372
    lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> void AppendLstringStrConstLiteralBig(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2179,8 +2197,8 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}1806017315167902228739893
    lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> +}2496724880166392201140049
    lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> void AppendLstringStrConstLiteralBig(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2197,8 +2215,8 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}1994917550161822224039281
    lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> +}1709918255160652153837513
    lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 timestemplate<unsigned N> void AppendLstringStrConstLiteralBig(benchmark::State& state) { stringa p1 = TEXT_16; for (auto _: state) { @@ -2215,19 +2233,19 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(p1); } -}2046417182160722181039556
    1858319723167832156038281

    # Append 2 string of 16 bytes 32 times, 1024 total length

    - - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::stringstream str; ... str << str_var1 << str_var2;void AppendStream2String(benchmark::State& state) { +
    std::stringstream str; ... str << str_var1 << str_var2;void AppendStream2String(benchmark::State& state) { std::string s1 = TEXT_16; std::string s2 = TEXT_16; for (auto _: state) { @@ -2247,8 +2265,8 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}15271538436551934753
    std::string str; ... str += str_var1 + str_var2;void AppendStdStr2String(benchmark::State& state) { +}15151684431654864573
    std::string str; ... str += str_var1 + str_var2;void AppendStdStr2String(benchmark::State& state) { std::string s1 = TEXT_16; std::string s2 = TEXT_16; @@ -2267,8 +2285,8 @@ void AppendLstringStrConstLiteralBig(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}14671325387840252557
    lstringa<16> str; ... str += str_var1 + str_var2;template<unsigned N> +}14851517389739482452
    lstringa<16> str; ... str += str_var1 + str_var2;template<unsigned N> void AppendLstring2String(benchmark::State& state) { stra s1 = TEXT_16; stra s2 = TEXT_16; @@ -2287,8 +2305,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}5325678589091248
    lstringa<128> str; ... str += str_var1 + str_var2;template<unsigned N> +}4705007969121196
    lstringa<128> str; ... str += str_var1 + str_var2;template<unsigned N> void AppendLstring2String(benchmark::State& state) { stra s1 = TEXT_16; stra s2 = TEXT_16; @@ -2307,8 +2325,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}4664795986451085
    lstringa<512> str; ... str += str_var1 + str_var2;template<unsigned N> +}4184215165801120
    lstringa<512> str; ... str += str_var1 + str_var2;template<unsigned N> void AppendLstring2String(benchmark::State& state) { stra s1 = TEXT_16; stra s2 = TEXT_16; @@ -2327,8 +2345,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}413412388457934
    lstringa<1024> str; ... str += str_var1 + str_var2;template<unsigned N> +}367373389446973
    lstringa<1024> str; ... str += str_var1 + str_var2;template<unsigned N> void AppendLstring2String(benchmark::State& state) { stra s1 = TEXT_16; stra s2 = TEXT_16; @@ -2347,19 +2365,19 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(s1); benchmark::DoNotOptimize(s2); } -}314315284358850
    290305287353874

    # Append text, number, text

    - - + - + - + - + - + - + - + - + +enough to accommodate the result, hence the long time.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::stringstream str; str << "test = " << k << " times";void AppendStreamStrNumStr(benchmark::State& state) { +
    std::stringstream str; str << "test = " << k << " times";void AppendStreamStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { std::stringstream t; @@ -2375,8 +2393,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(k); } } -}3076332310795111586507
    std::string str = "test = " + std::to_string(k) + " times";void AppendStdStringStrNumStr(benchmark::State& state) { +}3014320111483116556730
    std::string str = "test = " + std::to_string(k) + " times";void AppendStdStringStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { std::string result = "test = " + std::to_string(k) + " times"; @@ -2390,8 +2408,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(k); } } -}494474108712311696
    char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;void AppendSprintfStrNumStr(benchmark::State& state) { +}472440110812301657
    char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;void AppendSprintfStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { char buf[100]; @@ -2407,8 +2425,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(k); } } -}14211486279428612885
    std::string str = std::format("test = {} times", k);void AppendFormatStrNumStr(benchmark::State& state) { +}14221483276628312931
    std::string str = std::format("test = {} times", k);void AppendFormatStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { std::string result = std::format("test = {} times", k); @@ -2422,8 +2440,8 @@ void AppendLstring2String(benchmark::State& state) { benchmark::DoNotOptimize(k); } } -}11181312189725402102
    lstringa<8> str; str.format("test = {} times", k);template<typename T> +}11741356186824102192
    lstringa<8> str; str.format("test = {} times", k);template<typename T> void AppendSimStrStrNumStrF(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { @@ -2441,8 +2459,8 @@ void AppendSimStrStrNumStrF(benchmark::State& state) { } } >> В simstr format с первого раза не помещается в такую строку без аллокации. In simstr format, the first time it doesn't fit into such a -string without allocation.13741646207327563013
    lstringa<32> str; str.format("test = {} times", k);template<typename T> +string without allocation.13871740206527113127
    lstringa<32> str; str.format("test = {} times", k);template<typename T> void AppendSimStrStrNumStrF(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { @@ -2459,8 +2477,8 @@ void AppendSimStrStrNumStrF(benchmark::State& state) { } } } >> А в такую помещается. Используйте сразу буфера подходящего размера. -And it fits in this one. Use buffers of the appropriate size right away.9741116110015282433
    lstringa<8> str = "test = " + k + " times";template<typename T> +And it fits in this one. Use buffers of the appropriate size right away.10561116101416052459
    lstringa<8> str = "test = " + k + " times";template<typename T> void AppendSimStrStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { @@ -2476,8 +2494,8 @@ void AppendSimStrStrNumStr(benchmark::State& state) { } } } >> Результат не помещается в SSO, возникает аллокация. -The result does not fit into SSO, an allocation occurs.296301867910641
    lstringa<32> str = "test = " + k + " times";template<typename T> +The result does not fit into SSO, an allocation occurs.294304803880593
    lstringa<32> str = "test = " + k + " times";template<typename T> void AppendSimStrStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { @@ -2495,8 +2513,8 @@ void AppendSimStrStrNumStr(benchmark::State& state) { } >> А здесь и ниже - результат укладывается в SSO. Ещё раз - используйте сразу буфера подходящего размера. And here and below, the result fits within SSO. -Once again, use appropriately sized buffers from the start.155146168183374
    stringa str = "test = " + k + " times";template<typename T> +Once again, use appropriately sized buffers from the start.151148155188379
    stringa str = "test = " + k + " times";template<typename T> void AppendSimStrStrNumStr(benchmark::State& state) { for (auto _: state) { for (unsigned k = 1; k <= 1'000'000'000; k *= 10) { @@ -2514,22 +2532,22 @@ void AppendSimStrStrNumStr(benchmark::State& state) { } >> Под WASM размер SSO 15 символов, что явно не хватает для размещения результата, отсюда и такое время. Under WASM, the SSO size is 15 characters, which is clearly not -enough to accommodate the result, hence the long time.153163152238561
    145167151237564

    # Split text and convert to int

    - - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    std::string::find + substr + std::strtolvoid SplitConvertIntStdString(benchmark::State& state) { +
    std::string::find + substr + std::strtolvoid SplitConvertIntStdString(benchmark::State& state) { std::string numbers = NUMBER_LIST; for (auto _: state) { int total = 0; @@ -2551,8 +2569,8 @@ enough to accommodate the result, hence the long time.281278550542643
    ssa::splitter + ssa::as_intvoid SplitConvertIntSimStr(benchmark::State& state) { +}271280557556614
    ssa::splitter + ssa::as_intvoid SplitConvertIntSimStr(benchmark::State& state) { stra numbers = NUMBER_LIST; for (auto _: state) { int total = 0; @@ -2568,8 +2586,8 @@ enough to accommodate the result, hence the long time.157139160294278
    ssa::splitf + functorvoid SplitConvertIntSplitf(benchmark::State& state) { +}152129163297274
    ssa::splitf + functorvoid SplitConvertIntSplitf(benchmark::State& state) { stra numbers = NUMBER_LIST; for (auto _: state) { int total = 0; @@ -2583,16 +2601,16 @@ enough to accommodate the result, hence the long time.215126198214337
    200128187214321

    # Replace symbols in text ~400 symbols

    - - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Naive (and wrong) replace symbols with std::string find + replacevoid ReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) { +
    Naive (and wrong) replace symbols with std::string find + replacevoid ReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" " ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf" @@ -2649,8 +2667,8 @@ enough to accommodate the result, hence the long time.'b' and 'b'->'a'. But if the substitutions don't conflict, -it works quickly.1000826111813013545
    replace symbols with std::string find_first_of + replacevoid ReplaceSymbolsStdStringNaiveRight(benchmark::State& state) { +it works quickly.846838115112773397
    replace symbols with std::string find_first_of + replacevoid ReplaceSymbolsStdStringNaiveRight(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" " ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf" @@ -2704,8 +2722,8 @@ it works quickly.1000 >> Дальше уже правильные реализации, не зависящие от конфликтующих замен. Further, there are correct implementations that do not depend on -conflicting replacements.26792461199022254741
    replace symbols with std::string_view find_first_of + copyvoid ReplaceSymbolsStdString(benchmark::State& state) { +conflicting replacements.24612528201922094970
    replace symbols with std::string_view find_first_of + copyvoid ReplaceSymbolsStdString(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" " ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf" @@ -2756,8 +2774,8 @@ conflicting replacements.267911091030236925463504
    replace runtime symbols with string expressions and without remembering all search resultstemplate<bool UseVector> +}10851218239125363462
    replace runtime symbols with string expressions and without remembering all search resultstemplate<bool UseVector> void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -2802,8 +2820,8 @@ void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}12671459145416193605
    replace runtime symbols with simstr and memorization of all search resultstemplate<bool UseVector> +}12941686146215633591
    replace runtime symbols with simstr and memorization of all search resultstemplate<bool UseVector> void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -2848,8 +2866,8 @@ void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}10021014139114343154
    replace const symbols with string expressions and without remembering all search resultstemplate<bool UseVector> +}10761067135913983097
    replace const symbols with string expressions and without remembering all search resultstemplate<bool UseVector> void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -2891,8 +2909,8 @@ void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}11501221122312772939
    replace const symbols with string expressions and memorization of all search resultstemplate<bool UseVector> +}10421276123113062949
    replace const symbols with string expressions and memorization of all search resultstemplate<bool UseVector> void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -2934,20 +2952,20 @@ void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}870855110612182859
    889875117813482889

    # Replace symbols in text ~40 symbols

    - - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Short Naive (and wrong) replace symbols with std::string find + replacevoid ShortReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) { +
    Short Naive (and wrong) replace symbols with std::string find + replacevoid ShortReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" ; @@ -2985,8 +3003,8 @@ void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}172161319332436
    Short replace symbols with std::string find_first_of + replacevoid ShortReplaceSymbolsStdStringNaiveRight(benchmark::State& state) { +}170189344352431
    Short replace symbols with std::string find_first_of + replacevoid ShortReplaceSymbolsStdStringNaiveRight(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" ; @@ -3024,8 +3042,8 @@ void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}322353371428510
    Short replace symbols with std::string_view find_first_of + copyvoid ShortReplaceSymbolsStdString(benchmark::State& state) { +}314351401428499
    Short replace symbols with std::string_view find_first_of + copyvoid ShortReplaceSymbolsStdString(benchmark::State& state) { std::string_view source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" ; @@ -3062,8 +3080,8 @@ void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}167171327356440
    Short replace runtime symbols with string expressions and without remembering all search resultstemplate<bool UseVector> +}165204326352410
    Short replace runtime symbols with string expressions and without remembering all search resultstemplate<bool UseVector> void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -3094,8 +3112,8 @@ void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}181192268319386
    Short replace runtime symbols with simstr and memorization of all search resultstemplate<bool UseVector> +}193208267303371
    Short replace runtime symbols with simstr and memorization of all search resultstemplate<bool UseVector> void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -3126,8 +3144,8 @@ void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(source); benchmark::DoNotOptimize(repl); } -}185195388383420
    Short replace const symbols with string expressions and without remembering all search resultstemplate<bool UseVector> +}186262356402416
    Short replace const symbols with string expressions and without remembering all search resultstemplate<bool UseVector> void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -3155,8 +3173,8 @@ void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}144178241267260
    Short replace const symbols with string expressions and memorization of all search resultstemplate<bool UseVector> +}135194217270253
    Short replace const symbols with string expressions and memorization of all search resultstemplate<bool UseVector> void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { stra source = "abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >" @@ -3184,20 +3202,20 @@ void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}143181279355313
    152176303345313

    # Replace All Str To Longer Size

    - - + - + - + - + - + - + - + - + - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    replace bb to ---- in std::string|64template<size_t Long> +
    replace bb to ---- in std::string|64template<size_t Long> void ReplaceAllLongerStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3229,8 +3247,8 @@ void ReplaceAllLongerStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}156183240275377
    replace bb to ---- in std::string|256template<size_t Long> +}160259226259378
    replace bb to ---- in std::string|256template<size_t Long> void ReplaceAllLongerStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3262,8 +3280,8 @@ void ReplaceAllLongerStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}5254998588991421
    replace bb to ---- in std::string|512template<size_t Long> +}5228617938481351
    replace bb to ---- in std::string|512template<size_t Long> void ReplaceAllLongerStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3295,8 +3313,8 @@ void ReplaceAllLongerStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}10421012144616322623
    replace bb to ---- in std::string|1024template<size_t Long> +}10211615145315842782
    replace bb to ---- in std::string|1024template<size_t Long> void ReplaceAllLongerStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3328,8 +3346,8 @@ void ReplaceAllLongerStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}24182304319433185482
    replace bb to ---- in std::string|2048template<size_t Long> +}22753426335932205546
    replace bb to ---- in std::string|2048template<size_t Long> void ReplaceAllLongerStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3361,8 +3379,8 @@ void ReplaceAllLongerStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}588357967825811613478
    replace bb to ---- in lstringa<8>|64template<size_t N, size_t Count> +}602884667816808612567
    replace bb to ---- in lstringa<8>|64template<size_t N, size_t Count> void ReplaceAllLongerSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3383,8 +3401,8 @@ void ReplaceAllLongerSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}144154224235311
    replace bb to ---- in lstringa<8>|256template<size_t N, size_t Count> +}136204224244304
    replace bb to ---- in lstringa<8>|256template<size_t N, size_t Count> void ReplaceAllLongerSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3405,8 +3423,8 @@ void ReplaceAllLongerSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}5294846196861149
    replace bb to ---- in lstringa<8>|512template<size_t N, size_t Count> +}4495566146431149
    replace bb to ---- in lstringa<8>|512template<size_t N, size_t Count> void ReplaceAllLongerSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3427,8 +3445,8 @@ void ReplaceAllLongerSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}880886108311082165
    replace bb to ---- in lstringa<8>|1024template<size_t N, size_t Count> +}864970107011122114
    replace bb to ---- in lstringa<8>|1024template<size_t N, size_t Count> void ReplaceAllLongerSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3449,8 +3467,8 @@ void ReplaceAllLongerSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}18051917188620423868
    replace bb to ---- in lstringa<8>|2048template<size_t N, size_t Count> +}17321985187420564209
    replace bb to ---- in lstringa<8>|2048template<size_t N, size_t Count> void ReplaceAllLongerSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3471,8 +3489,8 @@ void ReplaceAllLongerSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}32653636362539337737
    replace bb to ---- by init stringa|64template<size_t Count> +}37993912387239017794
    replace bb to ---- by init stringa|64template<size_t Count> void ReplaceAllLongerSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3492,8 +3510,8 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}10799.5177205226
    replace bb to ---- by init stringa|256template<size_t Count> +}100119185206216
    replace bb to ---- by init stringa|256template<size_t Count> void ReplaceAllLongerSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3513,8 +3531,8 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}313297371475790
    replace bb to ---- by init stringa|512template<size_t Count> +}304335369503741
    replace bb to ---- by init stringa|512template<size_t Count> void ReplaceAllLongerSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3534,8 +3552,8 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}75171781310391685
    replace bb to ---- by init stringa|1024template<size_t Count> +}69376179611301659
    replace bb to ---- by init stringa|1024template<size_t Count> void ReplaceAllLongerSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3555,8 +3573,8 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}16571663163421653603
    replace bb to ---- by init stringa|2048template<size_t Count> +}14611682168421723573
    replace bb to ---- by init stringa|2048template<size_t Count> void ReplaceAllLongerSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a"; @@ -3576,28 +3594,28 @@ void ReplaceAllLongerSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}31263325308144237600
    29743300314944417063

    # Replace All Str To Same Size

    - - + - + - + - + - + - + - + - + - + - + - + - + - + - + +}
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    replace bb to -- in std::string|64template<size_t Long> +
    replace bb to -- in std::string|64template<size_t Long> void ReplaceAllEqualStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3628,8 +3646,8 @@ void ReplaceAllEqualStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}120123195212268
    replace bb to -- in std::string|256template<size_t Long> +}122199197206283
    replace bb to -- in std::string|256template<size_t Long> void ReplaceAllEqualStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3660,8 +3678,8 @@ void ReplaceAllEqualStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}404383477528987
    replace bb to -- in std::string|512template<size_t Long> +}403635496542995
    replace bb to -- in std::string|512template<size_t Long> void ReplaceAllEqualStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3692,8 +3710,8 @@ void ReplaceAllEqualStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}7617198759691942
    replace bb to -- in std::string|1024template<size_t Long> +}75914088499681844
    replace bb to -- in std::string|1024template<size_t Long> void ReplaceAllEqualStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3724,8 +3742,8 @@ void ReplaceAllEqualStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}16061415163018203660
    replace bb to -- in std::string|2048template<size_t Long> +}15212878196618133877
    replace bb to -- in std::string|2048template<size_t Long> void ReplaceAllEqualStdString(benchmark::State& state) { std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3756,8 +3774,8 @@ void ReplaceAllEqualStdString(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}32802838327835857038
    replace bb to -- in lstringa<8>|64template<size_t N, size_t Long> +}30144530315336347023
    replace bb to -- in lstringa<8>|64template<size_t N, size_t Long> void ReplaceAllEqualSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3777,8 +3795,8 @@ void ReplaceAllEqualSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}104102182190229
    replace bb to -- in lstringa<8>|256template<size_t N, size_t Long> +}97.8137179196228
    replace bb to -- in lstringa<8>|256template<size_t N, size_t Long> void ReplaceAllEqualSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3798,8 +3816,8 @@ void ReplaceAllEqualSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}312300440475776
    replace bb to -- in lstringa<8>|512template<size_t N, size_t Long> +}284347446475785
    replace bb to -- in lstringa<8>|512template<size_t N, size_t Long> void ReplaceAllEqualSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3819,8 +3837,8 @@ void ReplaceAllEqualSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}5915628479041461
    replace bb to -- in lstringa<8>|1024template<size_t N, size_t Long> +}5265697488021545
    replace bb to -- in lstringa<8>|1024template<size_t N, size_t Long> void ReplaceAllEqualSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3840,8 +3858,8 @@ void ReplaceAllEqualSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}11391116158016262897
    replace bb to -- in lstringa<8>|2048template<size_t N, size_t Long> +}11251085139214982838
    replace bb to -- in lstringa<8>|2048template<size_t N, size_t Long> void ReplaceAllEqualSimString(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3861,8 +3879,8 @@ void ReplaceAllEqualSimString(benchmark::State& state) { benchmark::DoNotOptimize(result); benchmark::DoNotOptimize(source); } -}26792185282831525674
    replace bb to -- by init stringa|64template<size_t Count> +}21822030268730565602
    replace bb to -- by init stringa|64template<size_t Count> void ReplaceAllEqualSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3886,8 +3904,8 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}91.097.1153172187
    replace bb to -- by init stringa|256template<size_t Count> +}89.7107161175175
    replace bb to -- by init stringa|256template<size_t Count> void ReplaceAllEqualSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3911,8 +3929,8 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}242274355397652
    replace bb to -- by init stringa|512template<size_t Count> +}238289360391621
    replace bb to -- by init stringa|512template<size_t Count> void ReplaceAllEqualSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3936,8 +3954,8 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}4315445996731221
    replace bb to -- by init stringa|1024template<size_t Count> +}4365235966481186
    replace bb to -- by init stringa|1024template<size_t Count> void ReplaceAllEqualSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3961,8 +3979,8 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}9141481107712582366
    replace bb to -- by init stringa|2048template<size_t Count> +}8531033107211522237
    replace bb to -- by init stringa|2048template<size_t Count> void ReplaceAllEqualSimStringExpr(benchmark::State& state) { ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba"; ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a"; @@ -3986,28 +4004,28 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { benchmark::DoNotOptimize(pattern); benchmark::DoNotOptimize(repl); } -}16472397213823305259
    16251962203722074470

    # Hash Map insert and find

    - - + - + - + +We insert std::string and look for std::string_view
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    hashStrMapA<size_t> emplace & find stringa;void HashMapSimStr(benchmark::State& state) { +
    hashStrMapA<size_t> emplace & find stringa;void HashMapSimStr(benchmark::State& state) { for (auto _: state) { hashStrMapA<size_t> store; for (size_t idx = 0; idx < bs_sim.size(); idx++) { @@ -4032,8 +4050,8 @@ void ReplaceAllEqualSimStringExpr(benchmark::State& state) { } >> Вставляем в hashStrMapA 10000 stringa длиной от 30 до 50 символов, а потом ищем их в ней We insert 10,000 strings of length from 30 to 50 characters into -hashStrMapA, and then search for them in it.35464283640422397835043612653192661
    std::unordered_map<std::string, size_t> emplace & find std::string;void HashMapStdStr(benchmark::State& state) { +hashStrMapA, and then search for them in it.35609533722252394976143131363104626
    std::unordered_map<std::string, size_t> emplace & find std::string;void HashMapStdStr(benchmark::State& state) { for (auto _: state) { std::unordered_map<std::string, size_t> store; for (size_t idx = 0; idx < bs_std.size(); idx++) { @@ -4056,8 +4074,8 @@ hashStrMapA, and then search for them in it. >> То же самое c std::string и std::unordered_map -Same thing with std::string and std::unordered_map34869753537855560756758784633399083
    hashStrMapA<size_t> emplace & find ssa;void HashMapSimSsa(benchmark::State& state) { +Same thing with std::string and std::unordered_map35219683459756560425754456143379032
    hashStrMapA<size_t> emplace & find ssa;void HashMapSimSsa(benchmark::State& state) { for (auto _: state) { hashStrMapA<size_t> store; for (size_t idx = 0; idx < bs_sim.size(); idx++) { @@ -4081,8 +4099,8 @@ Same thing with std::string and std::unordered_map >> Теперь вставляем stringa, а ищем ssa -Now we insert stringa and search for ssa35925443721221348921139458923300905
    std::unordered_map<std::string, size_t> emplace & find std::string_view;void HashMapStdStrView(benchmark::State& state) { +Now we insert stringa and search for ssa35476353732175350105139350733111588
    std::unordered_map<std::string, size_t> emplace & find std::string_view;void HashMapStdStrView(benchmark::State& state) { for (auto _: state) { std::unordered_map<std::string, size_t> store; for (size_t idx = 0; idx < bs_std.size(); idx++) { @@ -4106,17 +4124,17 @@ Now we insert stringa and search for ssa >> Вставляем std::string, а ищем std::string_view -We insert std::string and look for std::string_view39886533973701624969863137653845092
    41135204165106643347864492833799479

    # Build Full Func Name

    - - + - + - + - + +to be written in a single string, but is slightly slower in execution time.
    Benchmark nameCommentXeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13Xeon E5-2682 v4, Windows 10, Clang-19Xeon E5-2682 v4, Windows 10, MSVC-19Xeon E5-2682 v4, WASM Firefox, Clang-21
    Build func full name std::string;std::string build_full_name_std() const { +
    Build func full name std::string;std::string build_full_name_std() const { std::string str{has_ret_type_resolver ? "any"sv : type_names_sv[(unsigned)ret_type]}; str += " "; str += std_name; @@ -4153,8 +4171,8 @@ We insert std::string and look for std::string_view697916150716443032
    Build func full name std::string 1;std::string build_full_name_std1() const { +return values. The algorithm uses std::string.7141064171417342855
    Build func full name std::string 1;std::string build_full_name_std1() const { std::string str{has_ret_type_resolver ? "any"sv : type_names_sv[(unsigned)ret_type]}; str += " " + std_name + "("; @@ -4185,8 +4203,8 @@ return values. The algorithm uses std::string. >> Почти тот же алгоритм, но несколько последовательных += к строке заменены на одно += + + +. Almost the same algorithm, but several consecutive -+= to a string are replaced with a single += + + +.8031081154317493434
    Build func full name std::stream;std::string build_full_name_stream() const { ++= to a string are replaced with a single += + + +.8211133165717013137
    Build func full name std::stream;std::string build_full_name_stream() const { std::ostringstream str; if (has_ret_type_resolver) { str << "any"; @@ -4219,8 +4237,8 @@ Almost the same algorithm, but several consecutive str << ")"; return str.str(); } >> Строим имя функции через std::ostringstream и << -We construct the function name through std::ostringstream and <<25402581808799407330
    Build func full name stringa;stringa build_full_name() const { +We construct the function name through std::ostringstream and <<25382789819697807119
    Build func full name stringa;stringa build_full_name() const { lstringa<512> str = e_choice(has_ret_type_resolver, "any", type_names[(unsigned)ret_type]) + " " + name + "("; bool add_comma = false; @@ -4237,8 +4255,8 @@ We construct the function name through std::ostringstream and << >> Реализация на simstr строках и строковых выражениях. Инфа о параметрах добавляется в текущую строку Implementation using simstr strings and string expressions. -Parameter information is appended to the current line.5074788239371429
    Build func full name stringa 1;stringa build_full_name1() const { +Parameter information is appended to the current line.5105758148681353
    Build func full name stringa 1;stringa build_full_name1() const { lstringa<512> str = e_choice(has_ret_type_resolver, "any", type_names[(unsigned)ret_type]) + " " + name + "("; bool add_comma = false; @@ -4255,11 +4273,11 @@ Parameter information is appended to the current line.65571093910581643
    64089796210101610
    \ No newline at end of file diff --git a/bench/results/000-Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21.txt b/bench/results/000-Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21.txt index 54dd716..53e0c16 100644 --- a/bench/results/000-Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21.txt +++ b/bench/results/000-Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21.txt @@ -1,8 +1,8 @@ -Benchmarks of simstr, version 1.6.3 +Benchmarks of simstr, version 1.6.4 Sources: https://github.com/orefkov/simstr Results: https://orefkov.github.io/simstr/results.html -2026-02-03T17:02:44+03:00 +2026-02-04T16:52:12+03:00 Running ./benchStr Run on (32 X 2494.22 MHz CPU s) CPU Caches: @@ -10,914 +10,922 @@ CPU Caches: L1 Instruction 32 KiB (x16) L2 Unified 256 KiB (x16) L3 Unified 40960 KiB (x1) -Load Average: 0.00, 0.00, 0.00 +Load Average: 0.53, 0.18, 0.32 ***WARNING*** ASLR is enabled, the results may have unreproducible noise in them. -------------------------------------------------------------------------------------------------------------------------------------------------------- Benchmark Time CPU Iterations -------------------------------------------------------------------------------------------------------------------------------------------------------- ----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string and number by std to std::string_mean 234 ns 234 ns 4 -Concat std::string and number by std to std::string_median 233 ns 233 ns 4 -Concat std::string and number by std to std::string_stddev 28.1 ns 28.1 ns 4 -Concat std::string and number by std to std::string_cv 12.02 % 12.02 % 4 -Concat std::string and number by StrExpr to std::string_mean 104 ns 104 ns 4 -Concat std::string and number by StrExpr to std::string_median 103 ns 103 ns 4 -Concat std::string and number by StrExpr to std::string_stddev 3.27 ns 3.27 ns 4 -Concat std::string and number by StrExpr to std::string_cv 3.14 % 3.14 % 4 -Concat stringa and number by StrExpr to simstr::stringa_mean 62.4 ns 62.4 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_median 62.5 ns 62.5 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_stddev 0.757 ns 0.757 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_cv 1.21 % 1.21 % 4 -Concat stringa and number by e_concat to simstr::stringa_mean 67.8 ns 67.8 ns 4 -Concat stringa and number by e_concat to simstr::stringa_median 67.6 ns 67.6 ns 4 -Concat stringa and number by e_concat to simstr::stringa_stddev 1.49 ns 1.49 ns 4 -Concat stringa and number by e_concat to simstr::stringa_cv 2.20 % 2.20 % 4 +Concat std::string and number by std to std::string_mean 226 ns 226 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 20.8 ns 20.8 ns 4 +Concat std::string and number by std to std::string_cv 9.21 % 9.21 % 4 +Concat std::string and number by StrExpr to std::string_mean 105 ns 105 ns 4 +Concat std::string and number by StrExpr to std::string_median 104 ns 104 ns 4 +Concat std::string and number by StrExpr to std::string_stddev 1.33 ns 1.33 ns 4 +Concat std::string and number by StrExpr to std::string_cv 1.27 % 1.27 % 4 +Concat stringa and number by StrExpr to simstr::stringa_mean 62.8 ns 62.8 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_median 62.9 ns 62.9 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_stddev 0.596 ns 0.596 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_cv 0.95 % 0.95 % 4 +Concat stringa and number by e_concat to simstr::stringa_mean 70.6 ns 70.6 ns 4 +Concat stringa and number by e_concat to simstr::stringa_median 67.4 ns 67.4 ns 4 +Concat stringa and number by e_concat to simstr::stringa_stddev 7.97 ns 7.97 ns 4 +Concat stringa and number by e_concat to simstr::stringa_cv 11.30 % 11.30 % 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 684 ns 684 ns 4 -Concat std::string and format hex number and literal to std::string_median 686 ns 686 ns 4 -Concat std::string and format hex number and literal to std::string_stddev 5.97 ns 5.97 ns 4 -Concat std::string and format hex number and literal to std::string_cv 0.87 % 0.87 % 4 -std::format std::string and hex number by literal to std::string_mean 872 ns 872 ns 4 -std::format std::string and hex number by literal to std::string_median 875 ns 875 ns 4 -std::format std::string and hex number by literal to std::string_stddev 41.0 ns 41.0 ns 4 -std::format std::string and hex number by literal to std::string_cv 4.70 % 4.70 % 4 -Concat std::string and std::to_chars and string to std::string_mean 203 ns 203 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 10.7 ns 10.7 ns 4 -Concat std::string and std::to_chars and string to std::string_cv 5.25 % 5.25 % 4 -Concat std::string and hex number and literal by StrExpr to std::string_mean 142 ns 142 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_median 141 ns 141 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_stddev 8.25 ns 8.25 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_cv 5.83 % 5.83 % 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 124 ns 124 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 120 ns 120 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 8.24 ns 8.24 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 6.67 % 6.67 % 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 126 ns 126 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_median 126 ns 126 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 1.91 ns 1.91 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.52 % 1.52 % 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_mean 216 ns 216 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_median 215 ns 215 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.43 ns 4.43 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.05 % 2.05 % 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 321 ns 321 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 322 ns 322 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 6.61 ns 6.61 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 2.06 % 2.06 % 4 +Concat std::string and format hex number and literal to std::string_mean 681 ns 681 ns 4 +Concat std::string and format hex number and literal to std::string_median 684 ns 684 ns 4 +Concat std::string and format hex number and literal to std::string_stddev 6.51 ns 6.51 ns 4 +Concat std::string and format hex number and literal to std::string_cv 0.96 % 0.96 % 4 +std::format std::string and hex number by literal to std::string_mean 863 ns 863 ns 4 +std::format std::string and hex number by literal to std::string_median 857 ns 857 ns 4 +std::format std::string and hex number by literal to std::string_stddev 22.4 ns 22.4 ns 4 +std::format std::string and hex number by literal to std::string_cv 2.60 % 2.60 % 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 200 ns 200 ns 4 +Concat std::string and std::to_chars and string to std::string_stddev 3.35 ns 3.35 ns 4 +Concat std::string and std::to_chars and string to std::string_cv 1.68 % 1.68 % 4 +Concat std::string and hex number and literal by StrExpr to std::string_mean 133 ns 133 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_median 132 ns 132 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_stddev 2.32 ns 2.32 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_cv 1.75 % 1.75 % 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 123 ns 123 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 5.02 ns 5.02 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 4.13 % 4.13 % 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 129 ns 129 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_median 129 ns 129 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 7.79 ns 7.79 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 6.04 % 6.04 % 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_mean 180 ns 180 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_median 180 ns 180 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.42 ns 4.42 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.45 % 2.45 % 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 312 ns 312 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 312 ns 312 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 3.75 ns 3.75 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 1.20 % 1.20 % 4 ----- format/vformat and subst/vsubst octal number ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_mean 168 ns 168 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_median 167 ns 167 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_stddev 4.50 ns 4.50 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_cv 2.68 % 2.68 % 4 -std::format("art {:#010o} end", i)_mean 1004 ns 1004 ns 4 -std::format("art {:#010o} end", i)_median 1002 ns 1002 ns 4 -std::format("art {:#010o} end", i)_stddev 29.5 ns 29.5 ns 4 -std::format("art {:#010o} end", i)_cv 2.94 % 2.94 % 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_mean 363 ns 363 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_median 363 ns 363 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_stddev 6.96 ns 6.95 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_cv 1.92 % 1.92 % 4 -std::vformat(pattern, std::make_format_args(i))_mean 1024 ns 1024 ns 4 -std::vformat(pattern, std::make_format_args(i))_median 1010 ns 1010 ns 4 -std::vformat(pattern, std::make_format_args(i))_stddev 68.7 ns 68.7 ns 4 -std::vformat(pattern, std::make_format_args(i))_cv 6.71 % 6.71 % 4 +"art "_ss + i / 0x8a010_fmt + " end"_mean 99.1 ns 99.1 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_median 96.0 ns 96.0 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_stddev 6.88 ns 6.88 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_cv 6.94 % 6.94 % 4 +e_subst("art {} end", i / 0x8a010_fmt)_mean 159 ns 159 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_median 158 ns 158 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_stddev 2.47 ns 2.47 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_cv 1.56 % 1.56 % 4 +e_vsubst(pattern, i / 0x8a010_fmt)_mean 347 ns 347 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_median 344 ns 344 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_stddev 10.5 ns 10.5 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_cv 3.04 % 3.04 % 4 +std::format("art {:#010o} end", i)_mean 988 ns 988 ns 4 +std::format("art {:#010o} end", i)_median 989 ns 989 ns 4 +std::format("art {:#010o} end", i)_stddev 7.46 ns 7.46 ns 4 +std::format("art {:#010o} end", i)_cv 0.75 % 0.75 % 4 +std::vformat(pattern, std::make_format_args(i))_mean 1046 ns 1046 ns 4 +std::vformat(pattern, std::make_format_args(i))_median 1046 ns 1046 ns 4 +std::vformat(pattern, std::make_format_args(i))_stddev 52.1 ns 52.1 ns 4 +std::vformat(pattern, std::make_format_args(i))_cv 4.98 % 4.98 % 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 2020 ns 2020 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 2021 ns 2021 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 50.6 ns 50.6 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 2.50 % 2.50 % 4 ----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string by std to std::string_mean 55.8 ns 55.8 ns 4 -Concat std::string by std to std::string_median 55.2 ns 55.2 ns 4 -Concat std::string by std to std::string_stddev 1.46 ns 1.46 ns 4 -Concat std::string by std to std::string_cv 2.62 % 2.62 % 4 -Concat std::string by StrExpr to std::string_mean 39.5 ns 39.5 ns 4 -Concat std::string by StrExpr to std::string_median 39.5 ns 39.5 ns 4 -Concat std::string by StrExpr to std::string_stddev 0.736 ns 0.736 ns 4 -Concat std::string by StrExpr to std::string_cv 1.87 % 1.87 % 4 -Concat stringa by StrExpr to stringa_mean 26.1 ns 26.1 ns 4 -Concat stringa by StrExpr to stringa_median 26.0 ns 26.0 ns 4 -Concat stringa by StrExpr to stringa_stddev 0.638 ns 0.638 ns 4 -Concat stringa by StrExpr to stringa_cv 2.44 % 2.44 % 4 +Concat std::string by std to std::string_mean 45.4 ns 45.4 ns 4 +Concat std::string by std to std::string_median 44.2 ns 44.2 ns 4 +Concat std::string by std to std::string_stddev 2.92 ns 2.92 ns 4 +Concat std::string by std to std::string_cv 6.42 % 6.42 % 4 +Concat std::string by StrExpr to std::string_mean 33.7 ns 33.7 ns 4 +Concat std::string by StrExpr to std::string_median 34.3 ns 34.3 ns 4 +Concat std::string by StrExpr to std::string_stddev 1.48 ns 1.48 ns 4 +Concat std::string by StrExpr to std::string_cv 4.38 % 4.38 % 4 +Concat stringa by StrExpr to stringa_mean 28.7 ns 28.7 ns 4 +Concat stringa by StrExpr to stringa_median 28.5 ns 28.5 ns 4 +Concat stringa by StrExpr to stringa_stddev 0.925 ns 0.925 ns 4 +Concat stringa by StrExpr to stringa_cv 3.23 % 3.23 % 4 ----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Find concat three std::string_mean 113 ns 113 ns 4 -Find concat three std::string_median 112 ns 112 ns 4 -Find concat three std::string_stddev 2.38 ns 2.38 ns 4 -Find concat three std::string_cv 2.11 % 2.11 % 4 -Find concat three strexpr_mean 48.0 ns 48.0 ns 4 -Find concat three strexpr_median 48.0 ns 48.0 ns 4 -Find concat three strexpr_stddev 0.611 ns 0.611 ns 4 -Find concat three strexpr_cv 1.27 % 1.27 % 4 -Find concat three simstr_mean 19.7 ns 19.7 ns 4 -Find concat three simstr_median 19.2 ns 19.2 ns 4 -Find concat three simstr_stddev 1.31 ns 1.31 ns 4 -Find concat three simstr_cv 6.65 % 6.65 % 4 +Find concat three std::string_mean 121 ns 121 ns 4 +Find concat three std::string_median 117 ns 117 ns 4 +Find concat three std::string_stddev 10.7 ns 10.7 ns 4 +Find concat three std::string_cv 8.88 % 8.88 % 4 +Find concat three strexpr_mean 50.8 ns 50.8 ns 4 +Find concat three strexpr_median 50.6 ns 50.6 ns 4 +Find concat three strexpr_stddev 0.766 ns 0.766 ns 4 +Find concat three strexpr_cv 1.51 % 1.51 % 4 +Find concat three simstr_mean 51.6 ns 51.6 ns 4 +Find concat three simstr_median 51.3 ns 51.3 ns 4 +Find concat three simstr_stddev 0.491 ns 0.491 ns 4 +Find concat three simstr_cv 0.95 % 0.95 % 4 ----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -BuildTypeNameStr 0/0_mean 7.51 ns 7.51 ns 4 -BuildTypeNameStr 0/0_median 7.48 ns 7.48 ns 4 -BuildTypeNameStr 0/0_stddev 0.102 ns 0.102 ns 4 -BuildTypeNameStr 0/0_cv 1.36 % 1.36 % 4 -BuildTypeNameExp 0/0_mean 6.39 ns 6.39 ns 4 -BuildTypeNameExp 0/0_median 6.40 ns 6.40 ns 4 -BuildTypeNameExp 0/0_stddev 0.080 ns 0.080 ns 4 -BuildTypeNameExp 0/0_cv 1.25 % 1.25 % 4 -BuildTypeNameSim 0/0_mean 4.20 ns 4.20 ns 4 -BuildTypeNameSim 0/0_median 4.20 ns 4.20 ns 4 -BuildTypeNameSim 0/0_stddev 0.207 ns 0.207 ns 4 -BuildTypeNameSim 0/0_cv 4.92 % 4.92 % 4 -BuildTypeNameStr 10/10_mean 65.6 ns 65.6 ns 4 -BuildTypeNameStr 10/10_median 66.5 ns 66.5 ns 4 -BuildTypeNameStr 10/10_stddev 3.75 ns 3.75 ns 4 -BuildTypeNameStr 10/10_cv 5.72 % 5.72 % 4 -BuildTypeNameExp 10/10_mean 33.7 ns 33.7 ns 4 -BuildTypeNameExp 10/10_median 34.0 ns 34.0 ns 4 -BuildTypeNameExp 10/10_stddev 3.54 ns 3.54 ns 4 -BuildTypeNameExp 10/10_cv 10.52 % 10.52 % 4 -BuildTypeNameSim 10/10_mean 23.1 ns 23.1 ns 4 -BuildTypeNameSim 10/10_median 22.9 ns 22.9 ns 4 -BuildTypeNameSim 10/10_stddev 0.811 ns 0.811 ns 4 -BuildTypeNameSim 10/10_cv 3.51 % 3.51 % 4 +BuildTypeNameStr 0/0_mean 7.08 ns 7.08 ns 4 +BuildTypeNameStr 0/0_median 7.08 ns 7.08 ns 4 +BuildTypeNameStr 0/0_stddev 0.139 ns 0.139 ns 4 +BuildTypeNameStr 0/0_cv 1.96 % 1.96 % 4 +BuildTypeNameExp 0/0_mean 6.67 ns 6.67 ns 4 +BuildTypeNameExp 0/0_median 6.61 ns 6.61 ns 4 +BuildTypeNameExp 0/0_stddev 0.199 ns 0.199 ns 4 +BuildTypeNameExp 0/0_cv 2.99 % 2.99 % 4 +BuildTypeNameSim 0/0_mean 5.11 ns 5.11 ns 4 +BuildTypeNameSim 0/0_median 4.96 ns 4.96 ns 4 +BuildTypeNameSim 0/0_stddev 0.443 ns 0.443 ns 4 +BuildTypeNameSim 0/0_cv 8.68 % 8.68 % 4 +BuildTypeNameStr 10/10_mean 63.1 ns 63.1 ns 4 +BuildTypeNameStr 10/10_median 63.3 ns 63.3 ns 4 +BuildTypeNameStr 10/10_stddev 4.16 ns 4.16 ns 4 +BuildTypeNameStr 10/10_cv 6.59 % 6.59 % 4 +BuildTypeNameExp 10/10_mean 31.0 ns 31.0 ns 4 +BuildTypeNameExp 10/10_median 30.1 ns 30.1 ns 4 +BuildTypeNameExp 10/10_stddev 2.10 ns 2.10 ns 4 +BuildTypeNameExp 10/10_cv 6.79 % 6.79 % 4 +BuildTypeNameSim 10/10_mean 22.7 ns 22.7 ns 4 +BuildTypeNameSim 10/10_median 22.5 ns 22.5 ns 4 +BuildTypeNameSim 10/10_stddev 0.855 ns 0.855 ns 4 +BuildTypeNameSim 10/10_cv 3.77 % 3.77 % 4 ----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat with replace str_mean 210 ns 210 ns 4 -Concat with replace str_median 210 ns 210 ns 4 -Concat with replace str_stddev 3.29 ns 3.29 ns 4 -Concat with replace str_cv 1.57 % 1.57 % 4 -Concat with replace exp_mean 138 ns 138 ns 4 -Concat with replace exp_median 138 ns 138 ns 4 -Concat with replace exp_stddev 0.823 ns 0.823 ns 4 -Concat with replace exp_cv 0.60 % 0.60 % 4 +Concat with replace str_mean 211 ns 211 ns 4 +Concat with replace str_median 213 ns 213 ns 4 +Concat with replace str_stddev 14.1 ns 14.1 ns 4 +Concat with replace str_cv 6.69 % 6.69 % 4 +Concat with replace exp_mean 163 ns 163 ns 4 +Concat with replace exp_median 154 ns 154 ns 4 +Concat with replace exp_stddev 30.1 ns 30.1 ns 4 +Concat with replace exp_cv 18.50 % 18.50 % 4 ----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e;_mean 1.09 ns 1.09 ns 4 -std::string e;_median 1.09 ns 1.09 ns 4 -std::string e;_stddev 0.006 ns 0.006 ns 4 -std::string e;_cv 0.59 % 0.59 % 4 -std::string_view e;_mean 0.365 ns 0.365 ns 4 -std::string_view e;_median 0.364 ns 0.364 ns 4 -std::string_view e;_stddev 0.005 ns 0.005 ns 4 -std::string_view e;_cv 1.45 % 1.45 % 4 +std::string e;_mean 1.13 ns 1.13 ns 4 +std::string e;_median 1.11 ns 1.11 ns 4 +std::string e;_stddev 0.047 ns 0.047 ns 4 +std::string e;_cv 4.17 % 4.17 % 4 +std::string_view e;_mean 0.369 ns 0.369 ns 4 +std::string_view e;_median 0.368 ns 0.368 ns 4 +std::string_view e;_stddev 0.012 ns 0.012 ns 4 +std::string_view e;_cv 3.31 % 3.31 % 4 ssa e;_mean 0.363 ns 0.363 ns 4 -ssa e;_median 0.364 ns 0.364 ns 4 +ssa e;_median 0.361 ns 0.361 ns 4 ssa e;_stddev 0.004 ns 0.004 ns 4 -ssa e;_cv 1.24 % 1.24 % 4 -stringa e;_mean 0.730 ns 0.730 ns 4 -stringa e;_median 0.729 ns 0.729 ns 4 -stringa e;_stddev 0.008 ns 0.008 ns 4 -stringa e;_cv 1.05 % 1.05 % 4 +ssa e;_cv 1.17 % 1.17 % 4 +stringa e;_mean 0.758 ns 0.758 ns 4 +stringa e;_median 0.750 ns 0.750 ns 4 +stringa e;_stddev 0.033 ns 0.033 ns 4 +stringa e;_cv 4.34 % 4.34 % 4 lstringa<20> e;_mean 1.13 ns 1.13 ns 4 -lstringa<20> e;_median 1.12 ns 1.12 ns 4 -lstringa<20> e;_stddev 0.066 ns 0.066 ns 4 -lstringa<20> e;_cv 5.83 % 5.83 % 4 -lstringa<40> e;_mean 1.14 ns 1.14 ns 4 +lstringa<20> e;_median 1.13 ns 1.13 ns 4 +lstringa<20> e;_stddev 0.023 ns 0.023 ns 4 +lstringa<20> e;_cv 2.06 % 2.06 % 4 +lstringa<40> e;_mean 1.13 ns 1.13 ns 4 lstringa<40> e;_median 1.13 ns 1.13 ns 4 -lstringa<40> e;_stddev 0.044 ns 0.044 ns 4 -lstringa<40> e;_cv 3.90 % 3.90 % 4 +lstringa<40> e;_stddev 0.011 ns 0.011 ns 4 +lstringa<40> e;_cv 0.96 % 0.96 % 4 ----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000 std::string e = "Test text";_mean 1.83 ns 1.83 ns 4 std::string e = "Test text";_median 1.83 ns 1.83 ns 4 -std::string e = "Test text";_stddev 0.030 ns 0.030 ns 4 -std::string e = "Test text";_cv 1.64 % 1.64 % 4 -std::string_view e = "Test text";_mean 0.734 ns 0.734 ns 4 -std::string_view e = "Test text";_median 0.733 ns 0.733 ns 4 -std::string_view e = "Test text";_stddev 0.012 ns 0.012 ns 4 -std::string_view e = "Test text";_cv 1.60 % 1.60 % 4 -ssa e = "Test text";_mean 0.372 ns 0.372 ns 4 -ssa e = "Test text";_median 0.371 ns 0.371 ns 4 -ssa e = "Test text";_stddev 0.004 ns 0.004 ns 4 -ssa e = "Test text";_cv 1.11 % 1.11 % 4 -stringa e = "Test text";_mean 1.11 ns 1.11 ns 4 -stringa e = "Test text";_median 1.11 ns 1.11 ns 4 -stringa e = "Test text";_stddev 0.011 ns 0.011 ns 4 -stringa e = "Test text";_cv 0.97 % 0.97 % 4 -lstringa<20> e = "Test text";_mean 1.85 ns 1.85 ns 4 -lstringa<20> e = "Test text";_median 1.85 ns 1.85 ns 4 -lstringa<20> e = "Test text";_stddev 0.009 ns 0.009 ns 4 -lstringa<20> e = "Test text";_cv 0.50 % 0.50 % 4 -lstringa<40> e = "Test text";_mean 1.89 ns 1.89 ns 4 -lstringa<40> e = "Test text";_median 1.89 ns 1.89 ns 4 -lstringa<40> e = "Test text";_stddev 0.038 ns 0.038 ns 4 -lstringa<40> e = "Test text";_cv 1.99 % 1.99 % 4 +std::string e = "Test text";_stddev 0.021 ns 0.021 ns 4 +std::string e = "Test text";_cv 1.13 % 1.13 % 4 +std::string_view e = "Test text";_mean 0.735 ns 0.735 ns 4 +std::string_view e = "Test text";_median 0.734 ns 0.734 ns 4 +std::string_view e = "Test text";_stddev 0.006 ns 0.006 ns 4 +std::string_view e = "Test text";_cv 0.77 % 0.77 % 4 +ssa e = "Test text";_mean 0.392 ns 0.392 ns 4 +ssa e = "Test text";_median 0.392 ns 0.392 ns 4 +ssa e = "Test text";_stddev 0.020 ns 0.020 ns 4 +ssa e = "Test text";_cv 5.00 % 5.00 % 4 +stringa e = "Test text";_mean 1.21 ns 1.21 ns 4 +stringa e = "Test text";_median 1.23 ns 1.23 ns 4 +stringa e = "Test text";_stddev 0.049 ns 0.049 ns 4 +stringa e = "Test text";_cv 4.06 % 4.06 % 4 +lstringa<20> e = "Test text";_mean 2.03 ns 2.03 ns 4 +lstringa<20> e = "Test text";_median 2.00 ns 2.00 ns 4 +lstringa<20> e = "Test text";_stddev 0.120 ns 0.120 ns 4 +lstringa<20> e = "Test text";_cv 5.92 % 5.92 % 4 +lstringa<40> e = "Test text";_mean 1.84 ns 1.84 ns 4 +lstringa<40> e = "Test text";_median 1.85 ns 1.85 ns 4 +lstringa<40> e = "Test text";_stddev 0.032 ns 0.032 ns 4 +lstringa<40> e = "Test text";_cv 1.71 % 1.71 % 4 ----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890";_mean 19.3 ns 19.3 ns 4 -std::string e = "123456789012345678901234567890";_median 19.1 ns 19.1 ns 4 -std::string e = "123456789012345678901234567890";_stddev 0.521 ns 0.521 ns 4 -std::string e = "123456789012345678901234567890";_cv 2.70 % 2.70 % 4 -std::string_view e = "123456789012345678901234567890";_mean 0.739 ns 0.739 ns 4 -std::string_view e = "123456789012345678901234567890";_median 0.739 ns 0.739 ns 4 -std::string_view e = "123456789012345678901234567890";_stddev 0.021 ns 0.021 ns 4 -std::string_view e = "123456789012345678901234567890";_cv 2.88 % 2.88 % 4 -ssa e = "123456789012345678901234567890";_mean 0.386 ns 0.386 ns 4 -ssa e = "123456789012345678901234567890";_median 0.373 ns 0.373 ns 4 -ssa e = "123456789012345678901234567890";_stddev 0.028 ns 0.028 ns 4 -ssa e = "123456789012345678901234567890";_cv 7.37 % 7.37 % 4 -stringa e = "123456789012345678901234567890";_mean 1.12 ns 1.12 ns 4 -stringa e = "123456789012345678901234567890";_median 1.12 ns 1.12 ns 4 -stringa e = "123456789012345678901234567890";_stddev 0.046 ns 0.046 ns 4 -stringa e = "123456789012345678901234567890";_cv 4.12 % 4.12 % 4 -lstringa<20> e = "123456789012345678901234567890";_mean 21.7 ns 21.7 ns 4 -lstringa<20> e = "123456789012345678901234567890";_median 20.9 ns 20.9 ns 4 -lstringa<20> e = "123456789012345678901234567890";_stddev 2.22 ns 2.22 ns 4 -lstringa<20> e = "123456789012345678901234567890";_cv 10.23 % 10.23 % 4 -lstringa<40> e = "123456789012345678901234567890";_mean 2.60 ns 2.60 ns 4 -lstringa<40> e = "123456789012345678901234567890";_median 2.56 ns 2.56 ns 4 -lstringa<40> e = "123456789012345678901234567890";_stddev 0.127 ns 0.127 ns 4 -lstringa<40> e = "123456789012345678901234567890";_cv 4.86 % 4.86 % 4 +std::string e = "123456789012345678901234567890";_mean 18.9 ns 18.9 ns 4 +std::string e = "123456789012345678901234567890";_median 18.8 ns 18.8 ns 4 +std::string e = "123456789012345678901234567890";_stddev 0.352 ns 0.352 ns 4 +std::string e = "123456789012345678901234567890";_cv 1.86 % 1.86 % 4 +std::string_view e = "123456789012345678901234567890";_mean 0.733 ns 0.733 ns 4 +std::string_view e = "123456789012345678901234567890";_median 0.733 ns 0.733 ns 4 +std::string_view e = "123456789012345678901234567890";_stddev 0.006 ns 0.006 ns 4 +std::string_view e = "123456789012345678901234567890";_cv 0.89 % 0.89 % 4 +ssa e = "123456789012345678901234567890";_mean 0.368 ns 0.368 ns 4 +ssa e = "123456789012345678901234567890";_median 0.368 ns 0.368 ns 4 +ssa e = "123456789012345678901234567890";_stddev 0.007 ns 0.007 ns 4 +ssa e = "123456789012345678901234567890";_cv 1.83 % 1.83 % 4 +stringa e = "123456789012345678901234567890";_mean 1.10 ns 1.10 ns 4 +stringa e = "123456789012345678901234567890";_median 1.10 ns 1.10 ns 4 +stringa e = "123456789012345678901234567890";_stddev 0.019 ns 0.019 ns 4 +stringa e = "123456789012345678901234567890";_cv 1.73 % 1.73 % 4 +lstringa<20> e = "123456789012345678901234567890";_mean 20.2 ns 20.2 ns 4 +lstringa<20> e = "123456789012345678901234567890";_median 20.2 ns 20.2 ns 4 +lstringa<20> e = "123456789012345678901234567890";_stddev 0.360 ns 0.360 ns 4 +lstringa<20> e = "123456789012345678901234567890";_cv 1.78 % 1.78 % 4 +lstringa<40> e = "123456789012345678901234567890";_mean 2.56 ns 2.56 ns 4 +lstringa<40> e = "123456789012345678901234567890";_median 2.55 ns 2.55 ns 4 +lstringa<40> e = "123456789012345678901234567890";_stddev 0.045 ns 0.045 ns 4 +lstringa<40> e = "123456789012345678901234567890";_cv 1.75 % 1.75 % 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 6.07 ns 6.07 ns 4 -std::string e = "Test text"; auto c{e};_median 5.87 ns 5.87 ns 4 -std::string e = "Test text"; auto c{e};_stddev 0.557 ns 0.557 ns 4 -std::string e = "Test text"; auto c{e};_cv 9.19 % 9.19 % 4 -std::string_view e = "Test text"; auto c{e};_mean 0.382 ns 0.382 ns 4 -std::string_view e = "Test text"; auto c{e};_median 0.375 ns 0.375 ns 4 -std::string_view e = "Test text"; auto c{e};_stddev 0.025 ns 0.025 ns 4 -std::string_view e = "Test text"; auto c{e};_cv 6.63 % 6.63 % 4 -ssa e = "Test text"; auto c{e};_mean 0.367 ns 0.367 ns 4 -ssa e = "Test text"; auto c{e};_median 0.366 ns 0.366 ns 4 +std::string e = "Test text"; auto c{e};_mean 5.38 ns 5.38 ns 4 +std::string e = "Test text"; auto c{e};_median 5.39 ns 5.39 ns 4 +std::string e = "Test text"; auto c{e};_stddev 0.035 ns 0.035 ns 4 +std::string e = "Test text"; auto c{e};_cv 0.66 % 0.66 % 4 +std::string_view e = "Test text"; auto c{e};_mean 0.375 ns 0.375 ns 4 +std::string_view e = "Test text"; auto c{e};_median 0.374 ns 0.374 ns 4 +std::string_view e = "Test text"; auto c{e};_stddev 0.008 ns 0.008 ns 4 +std::string_view e = "Test text"; auto c{e};_cv 2.25 % 2.25 % 4 +ssa e = "Test text"; auto c{e};_mean 0.364 ns 0.364 ns 4 +ssa e = "Test text"; auto c{e};_median 0.364 ns 0.364 ns 4 ssa e = "Test text"; auto c{e};_stddev 0.004 ns 0.004 ns 4 -ssa e = "Test text"; auto c{e};_cv 0.98 % 0.98 % 4 -stringa e = "Test text"; auto c{e};_mean 1.12 ns 1.12 ns 4 -stringa e = "Test text"; auto c{e};_median 1.12 ns 1.12 ns 4 -stringa e = "Test text"; auto c{e};_stddev 0.021 ns 0.021 ns 4 -stringa e = "Test text"; auto c{e};_cv 1.87 % 1.87 % 4 -lstringa<20> e = "Test text"; auto c{e};_mean 4.12 ns 4.12 ns 4 -lstringa<20> e = "Test text"; auto c{e};_median 4.11 ns 4.11 ns 4 -lstringa<20> e = "Test text"; auto c{e};_stddev 0.050 ns 0.050 ns 4 -lstringa<20> e = "Test text"; auto c{e};_cv 1.22 % 1.22 % 4 -lstringa<40> e = "Test text"; auto c{e};_mean 4.37 ns 4.37 ns 4 -lstringa<40> e = "Test text"; auto c{e};_median 4.25 ns 4.25 ns 4 -lstringa<40> e = "Test text"; auto c{e};_stddev 0.297 ns 0.297 ns 4 -lstringa<40> e = "Test text"; auto c{e};_cv 6.81 % 6.81 % 4 +ssa e = "Test text"; auto c{e};_cv 1.18 % 1.18 % 4 +stringa e = "Test text"; auto c{e};_mean 1.09 ns 1.09 ns 4 +stringa e = "Test text"; auto c{e};_median 1.09 ns 1.09 ns 4 +stringa e = "Test text"; auto c{e};_stddev 0.019 ns 0.019 ns 4 +stringa e = "Test text"; auto c{e};_cv 1.75 % 1.75 % 4 +lstringa<20> e = "Test text"; auto c{e};_mean 4.57 ns 4.57 ns 4 +lstringa<20> e = "Test text"; auto c{e};_median 4.54 ns 4.54 ns 4 +lstringa<20> e = "Test text"; auto c{e};_stddev 0.149 ns 0.149 ns 4 +lstringa<20> e = "Test text"; auto c{e};_cv 3.26 % 3.26 % 4 +lstringa<40> e = "Test text"; auto c{e};_mean 4.52 ns 4.52 ns 4 +lstringa<40> e = "Test text"; auto c{e};_median 4.44 ns 4.44 ns 4 +lstringa<40> e = "Test text"; auto c{e};_stddev 0.188 ns 0.188 ns 4 +lstringa<40> e = "Test text"; auto c{e};_cv 4.16 % 4.16 % 4 ----- Create copy of Str with 30 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890"; auto c{e};_mean 20.1 ns 20.1 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_median 20.0 ns 20.0 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.957 ns 0.958 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_cv 4.76 % 4.76 % 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.732 ns 0.732 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.731 ns 0.731 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.014 ns 0.014 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.88 % 1.88 % 4 -ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.376 ns 0.376 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_median 0.373 ns 0.373 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.39 % 2.39 % 4 -stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.15 ns 1.15 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_median 1.13 ns 1.13 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.050 ns 0.050 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_cv 4.39 % 4.39 % 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 21.5 ns 21.5 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 21.4 ns 21.4 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.959 ns 0.959 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 4.46 % 4.46 % 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.04 ns 4.04 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.05 ns 4.05 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.083 ns 0.083 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 2.05 % 2.05 % 4 +std::string e = "123456789012345678901234567890"; auto c{e};_mean 18.8 ns 18.8 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_median 18.8 ns 18.8 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.224 ns 0.224 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.19 % 1.19 % 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.731 ns 0.731 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.733 ns 0.733 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.27 % 1.27 % 4 +ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.368 ns 0.368 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_median 0.369 ns 0.369 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.004 ns 0.004 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.08 % 1.08 % 4 +stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.12 ns 1.12 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_median 1.11 ns 1.11 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.048 ns 0.048 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_cv 4.27 % 4.27 % 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 19.5 ns 19.5 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 19.6 ns 19.6 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.183 ns 0.183 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 0.94 % 0.94 % 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.50 ns 4.50 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.42 ns 4.42 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.184 ns 0.184 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 4.10 % 4.10 % 4 ----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find;_mean 6.67 ns 6.67 ns 4 -std::string::find;_median 6.71 ns 6.71 ns 4 -std::string::find;_stddev 0.109 ns 0.109 ns 4 -std::string::find;_cv 1.64 % 1.64 % 4 -std::string_view::find;_mean 7.81 ns 7.81 ns 4 -std::string_view::find;_median 7.79 ns 7.79 ns 4 -std::string_view::find;_stddev 0.460 ns 0.460 ns 4 -std::string_view::find;_cv 5.89 % 5.89 % 4 -ssa::find;_mean 7.11 ns 7.11 ns 4 -ssa::find;_median 7.12 ns 7.12 ns 4 -ssa::find;_stddev 0.120 ns 0.120 ns 4 -ssa::find;_cv 1.69 % 1.69 % 4 -stringa::find;_mean 7.18 ns 7.18 ns 4 -stringa::find;_median 7.22 ns 7.22 ns 4 -stringa::find;_stddev 0.122 ns 0.122 ns 4 -stringa::find;_cv 1.69 % 1.69 % 4 -lstringa<20>::find;_mean 7.10 ns 7.10 ns 4 +std::string::find;_mean 7.00 ns 7.00 ns 4 +std::string::find;_median 6.76 ns 6.76 ns 4 +std::string::find;_stddev 0.509 ns 0.509 ns 4 +std::string::find;_cv 7.27 % 7.27 % 4 +std::string_view::find;_mean 8.27 ns 8.27 ns 4 +std::string_view::find;_median 8.39 ns 8.39 ns 4 +std::string_view::find;_stddev 0.561 ns 0.561 ns 4 +std::string_view::find;_cv 6.78 % 6.78 % 4 +ssa::find;_mean 7.68 ns 7.68 ns 4 +ssa::find;_median 7.78 ns 7.78 ns 4 +ssa::find;_stddev 0.543 ns 0.543 ns 4 +ssa::find;_cv 7.07 % 7.07 % 4 +stringa::find;_mean 7.92 ns 7.92 ns 4 +stringa::find;_median 8.07 ns 8.07 ns 4 +stringa::find;_stddev 0.349 ns 0.349 ns 4 +stringa::find;_cv 4.41 % 4.41 % 4 +lstringa<20>::find;_mean 6.91 ns 6.91 ns 4 lstringa<20>::find;_median 7.00 ns 7.00 ns 4 -lstringa<20>::find;_stddev 0.410 ns 0.410 ns 4 -lstringa<20>::find;_cv 5.77 % 5.77 % 4 -lstringa<40>::find;_mean 6.69 ns 6.69 ns 4 -lstringa<40>::find;_median 6.67 ns 6.67 ns 4 -lstringa<40>::find;_stddev 0.123 ns 0.123 ns 4 -lstringa<40>::find;_cv 1.84 % 1.84 % 4 +lstringa<20>::find;_stddev 0.432 ns 0.432 ns 4 +lstringa<20>::find;_cv 6.25 % 6.25 % 4 +lstringa<40>::find;_mean 7.14 ns 7.14 ns 4 +lstringa<40>::find;_median 7.16 ns 7.16 ns 4 +lstringa<40>::find;_stddev 0.493 ns 0.493 ns 4 +lstringa<40>::find;_cv 6.90 % 6.90 % 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 5.61 ns 5.61 ns 4 -std::string copy{str_with_len_N};/15_median 5.60 ns 5.60 ns 4 -std::string copy{str_with_len_N};/15_stddev 0.097 ns 0.097 ns 4 -std::string copy{str_with_len_N};/15_cv 1.72 % 1.72 % 4 -std::string copy{str_with_len_N};/16_mean 23.0 ns 23.0 ns 4 -std::string copy{str_with_len_N};/16_median 23.0 ns 23.0 ns 4 -std::string copy{str_with_len_N};/16_stddev 0.539 ns 0.539 ns 4 -std::string copy{str_with_len_N};/16_cv 2.35 % 2.35 % 4 -std::string copy{str_with_len_N};/23_mean 23.0 ns 23.0 ns 4 -std::string copy{str_with_len_N};/23_median 23.2 ns 23.2 ns 4 -std::string copy{str_with_len_N};/23_stddev 0.607 ns 0.607 ns 4 -std::string copy{str_with_len_N};/23_cv 2.64 % 2.64 % 4 -std::string copy{str_with_len_N};/24_mean 22.9 ns 22.9 ns 4 -std::string copy{str_with_len_N};/24_median 22.7 ns 22.7 ns 4 -std::string copy{str_with_len_N};/24_stddev 0.831 ns 0.831 ns 4 -std::string copy{str_with_len_N};/24_cv 3.62 % 3.62 % 4 -std::string copy{str_with_len_N};/32_mean 22.4 ns 22.4 ns 4 -std::string copy{str_with_len_N};/32_median 22.6 ns 22.6 ns 4 -std::string copy{str_with_len_N};/32_stddev 0.449 ns 0.449 ns 4 -std::string copy{str_with_len_N};/32_cv 2.00 % 2.00 % 4 -std::string copy{str_with_len_N};/64_mean 23.1 ns 23.1 ns 4 -std::string copy{str_with_len_N};/64_median 22.7 ns 22.7 ns 4 -std::string copy{str_with_len_N};/64_stddev 0.959 ns 0.959 ns 4 -std::string copy{str_with_len_N};/64_cv 4.15 % 4.15 % 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 24.1 ns 24.1 ns 4 -std::string copy{str_with_len_N};/128_stddev 0.593 ns 0.593 ns 4 -std::string copy{str_with_len_N};/128_cv 2.46 % 2.46 % 4 -std::string copy{str_with_len_N};/256_mean 24.7 ns 24.7 ns 4 -std::string copy{str_with_len_N};/256_median 24.2 ns 24.2 ns 4 -std::string copy{str_with_len_N};/256_stddev 1.11 ns 1.11 ns 4 -std::string copy{str_with_len_N};/256_cv 4.51 % 4.51 % 4 -std::string copy{str_with_len_N};/512_mean 29.2 ns 29.2 ns 4 -std::string copy{str_with_len_N};/512_median 29.2 ns 29.2 ns 4 -std::string copy{str_with_len_N};/512_stddev 0.746 ns 0.746 ns 4 -std::string copy{str_with_len_N};/512_cv 2.55 % 2.55 % 4 -std::string copy{str_with_len_N};/1024_mean 45.3 ns 45.3 ns 4 -std::string copy{str_with_len_N};/1024_median 45.4 ns 45.4 ns 4 -std::string copy{str_with_len_N};/1024_stddev 1.10 ns 1.10 ns 4 -std::string copy{str_with_len_N};/1024_cv 2.43 % 2.43 % 4 -std::string copy{str_with_len_N};/2048_mean 123 ns 123 ns 4 -std::string copy{str_with_len_N};/2048_median 121 ns 121 ns 4 -std::string copy{str_with_len_N};/2048_stddev 8.43 ns 8.43 ns 4 -std::string copy{str_with_len_N};/2048_cv 6.84 % 6.84 % 4 -std::string copy{str_with_len_N};/4096_mean 153 ns 153 ns 4 -std::string copy{str_with_len_N};/4096_median 154 ns 154 ns 4 -std::string copy{str_with_len_N};/4096_stddev 5.35 ns 5.35 ns 4 -std::string copy{str_with_len_N};/4096_cv 3.49 % 3.49 % 4 -stringa copy{str_with_len_N};/15_mean 1.10 ns 1.10 ns 4 +std::string copy{str_with_len_N};/15_mean 5.34 ns 5.34 ns 4 +std::string copy{str_with_len_N};/15_median 5.27 ns 5.27 ns 4 +std::string copy{str_with_len_N};/15_stddev 0.450 ns 0.450 ns 4 +std::string copy{str_with_len_N};/15_cv 8.42 % 8.42 % 4 +std::string copy{str_with_len_N};/16_mean 24.6 ns 24.6 ns 4 +std::string copy{str_with_len_N};/16_median 24.9 ns 24.9 ns 4 +std::string copy{str_with_len_N};/16_stddev 1.50 ns 1.50 ns 4 +std::string copy{str_with_len_N};/16_cv 6.10 % 6.10 % 4 +std::string copy{str_with_len_N};/23_mean 26.2 ns 26.2 ns 4 +std::string copy{str_with_len_N};/23_median 27.1 ns 27.1 ns 4 +std::string copy{str_with_len_N};/23_stddev 2.02 ns 2.02 ns 4 +std::string copy{str_with_len_N};/23_cv 7.71 % 7.71 % 4 +std::string copy{str_with_len_N};/24_mean 28.6 ns 28.6 ns 4 +std::string copy{str_with_len_N};/24_median 28.1 ns 28.1 ns 4 +std::string copy{str_with_len_N};/24_stddev 2.58 ns 2.58 ns 4 +std::string copy{str_with_len_N};/24_cv 9.02 % 9.02 % 4 +std::string copy{str_with_len_N};/32_mean 25.5 ns 25.5 ns 4 +std::string copy{str_with_len_N};/32_median 25.4 ns 25.4 ns 4 +std::string copy{str_with_len_N};/32_stddev 1.77 ns 1.77 ns 4 +std::string copy{str_with_len_N};/32_cv 6.93 % 6.93 % 4 +std::string copy{str_with_len_N};/64_mean 23.9 ns 23.9 ns 4 +std::string copy{str_with_len_N};/64_median 22.9 ns 22.9 ns 4 +std::string copy{str_with_len_N};/64_stddev 2.16 ns 2.16 ns 4 +std::string copy{str_with_len_N};/64_cv 9.05 % 9.05 % 4 +std::string copy{str_with_len_N};/128_mean 25.4 ns 25.4 ns 4 +std::string copy{str_with_len_N};/128_median 24.8 ns 24.8 ns 4 +std::string copy{str_with_len_N};/128_stddev 1.30 ns 1.30 ns 4 +std::string copy{str_with_len_N};/128_cv 5.15 % 5.15 % 4 +std::string copy{str_with_len_N};/256_mean 25.1 ns 25.1 ns 4 +std::string copy{str_with_len_N};/256_median 25.0 ns 25.0 ns 4 +std::string copy{str_with_len_N};/256_stddev 0.433 ns 0.433 ns 4 +std::string copy{str_with_len_N};/256_cv 1.73 % 1.73 % 4 +std::string copy{str_with_len_N};/512_mean 28.7 ns 28.7 ns 4 +std::string copy{str_with_len_N};/512_median 28.7 ns 28.7 ns 4 +std::string copy{str_with_len_N};/512_stddev 0.564 ns 0.564 ns 4 +std::string copy{str_with_len_N};/512_cv 1.96 % 1.96 % 4 +std::string copy{str_with_len_N};/1024_mean 46.9 ns 46.9 ns 4 +std::string copy{str_with_len_N};/1024_median 46.0 ns 46.0 ns 4 +std::string copy{str_with_len_N};/1024_stddev 2.42 ns 2.42 ns 4 +std::string copy{str_with_len_N};/1024_cv 5.17 % 5.17 % 4 +std::string copy{str_with_len_N};/2048_mean 69.5 ns 69.5 ns 4 +std::string copy{str_with_len_N};/2048_median 68.3 ns 68.3 ns 4 +std::string copy{str_with_len_N};/2048_stddev 7.70 ns 7.70 ns 4 +std::string copy{str_with_len_N};/2048_cv 11.07 % 11.07 % 4 +std::string copy{str_with_len_N};/4096_mean 118 ns 118 ns 4 +std::string copy{str_with_len_N};/4096_median 118 ns 118 ns 4 +std::string copy{str_with_len_N};/4096_stddev 5.69 ns 5.69 ns 4 +std::string copy{str_with_len_N};/4096_cv 4.82 % 4.82 % 4 +stringa copy{str_with_len_N};/15_mean 1.11 ns 1.11 ns 4 stringa copy{str_with_len_N};/15_median 1.10 ns 1.10 ns 4 -stringa copy{str_with_len_N};/15_stddev 0.021 ns 0.021 ns 4 -stringa copy{str_with_len_N};/15_cv 1.90 % 1.90 % 4 +stringa copy{str_with_len_N};/15_stddev 0.027 ns 0.027 ns 4 +stringa copy{str_with_len_N};/15_cv 2.42 % 2.42 % 4 stringa copy{str_with_len_N};/16_mean 1.11 ns 1.11 ns 4 -stringa copy{str_with_len_N};/16_median 1.11 ns 1.11 ns 4 -stringa copy{str_with_len_N};/16_stddev 0.024 ns 0.024 ns 4 -stringa copy{str_with_len_N};/16_cv 2.19 % 2.19 % 4 -stringa copy{str_with_len_N};/23_mean 1.10 ns 1.10 ns 4 -stringa copy{str_with_len_N};/23_median 1.10 ns 1.10 ns 4 -stringa copy{str_with_len_N};/23_stddev 0.009 ns 0.009 ns 4 -stringa copy{str_with_len_N};/23_cv 0.84 % 0.84 % 4 -stringa copy{str_with_len_N};/24_mean 16.2 ns 16.2 ns 4 -stringa copy{str_with_len_N};/24_median 16.2 ns 16.2 ns 4 -stringa copy{str_with_len_N};/24_stddev 0.129 ns 0.129 ns 4 -stringa copy{str_with_len_N};/24_cv 0.80 % 0.80 % 4 -stringa copy{str_with_len_N};/32_mean 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/32_median 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/32_stddev 0.093 ns 0.093 ns 4 -stringa copy{str_with_len_N};/32_cv 0.57 % 0.57 % 4 -stringa copy{str_with_len_N};/64_mean 16.4 ns 16.4 ns 4 -stringa copy{str_with_len_N};/64_median 16.4 ns 16.4 ns 4 -stringa copy{str_with_len_N};/64_stddev 0.154 ns 0.154 ns 4 -stringa copy{str_with_len_N};/64_cv 0.94 % 0.94 % 4 -stringa copy{str_with_len_N};/128_mean 16.6 ns 16.6 ns 4 -stringa copy{str_with_len_N};/128_median 16.7 ns 16.7 ns 4 -stringa copy{str_with_len_N};/128_stddev 0.246 ns 0.246 ns 4 -stringa copy{str_with_len_N};/128_cv 1.48 % 1.48 % 4 -stringa copy{str_with_len_N};/256_mean 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/256_median 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/256_stddev 0.213 ns 0.213 ns 4 -stringa copy{str_with_len_N};/256_cv 1.31 % 1.31 % 4 -stringa copy{str_with_len_N};/512_mean 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/512_median 16.4 ns 16.4 ns 4 -stringa copy{str_with_len_N};/512_stddev 0.110 ns 0.110 ns 4 -stringa copy{str_with_len_N};/512_cv 0.68 % 0.68 % 4 -stringa copy{str_with_len_N};/1024_mean 16.4 ns 16.4 ns 4 -stringa copy{str_with_len_N};/1024_median 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/1024_stddev 0.146 ns 0.146 ns 4 -stringa copy{str_with_len_N};/1024_cv 0.89 % 0.89 % 4 -stringa copy{str_with_len_N};/2048_mean 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/2048_median 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/2048_stddev 0.054 ns 0.054 ns 4 -stringa copy{str_with_len_N};/2048_cv 0.33 % 0.33 % 4 -stringa copy{str_with_len_N};/4096_mean 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/4096_median 16.3 ns 16.3 ns 4 -stringa copy{str_with_len_N};/4096_stddev 0.037 ns 0.037 ns 4 -stringa copy{str_with_len_N};/4096_cv 0.23 % 0.23 % 4 -lstringa<16> copy{str_with_len_N};/15_mean 4.19 ns 4.19 ns 4 -lstringa<16> copy{str_with_len_N};/15_median 4.20 ns 4.20 ns 4 -lstringa<16> copy{str_with_len_N};/15_stddev 0.032 ns 0.032 ns 4 -lstringa<16> copy{str_with_len_N};/15_cv 0.78 % 0.78 % 4 -lstringa<16> copy{str_with_len_N};/16_mean 4.23 ns 4.23 ns 4 -lstringa<16> copy{str_with_len_N};/16_median 4.24 ns 4.24 ns 4 -lstringa<16> copy{str_with_len_N};/16_stddev 0.155 ns 0.155 ns 4 -lstringa<16> copy{str_with_len_N};/16_cv 3.66 % 3.66 % 4 -lstringa<16> copy{str_with_len_N};/23_mean 4.11 ns 4.11 ns 4 -lstringa<16> copy{str_with_len_N};/23_median 4.11 ns 4.11 ns 4 -lstringa<16> copy{str_with_len_N};/23_stddev 0.074 ns 0.074 ns 4 -lstringa<16> copy{str_with_len_N};/23_cv 1.80 % 1.80 % 4 -lstringa<16> copy{str_with_len_N};/24_mean 23.4 ns 23.4 ns 4 -lstringa<16> copy{str_with_len_N};/24_median 23.3 ns 23.3 ns 4 -lstringa<16> copy{str_with_len_N};/24_stddev 0.277 ns 0.277 ns 4 -lstringa<16> copy{str_with_len_N};/24_cv 1.18 % 1.18 % 4 -lstringa<16> copy{str_with_len_N};/32_mean 23.2 ns 23.2 ns 4 -lstringa<16> copy{str_with_len_N};/32_median 23.1 ns 23.1 ns 4 -lstringa<16> copy{str_with_len_N};/32_stddev 0.575 ns 0.575 ns 4 -lstringa<16> copy{str_with_len_N};/32_cv 2.48 % 2.48 % 4 -lstringa<16> copy{str_with_len_N};/64_mean 24.4 ns 24.4 ns 4 -lstringa<16> copy{str_with_len_N};/64_median 24.4 ns 24.4 ns 4 -lstringa<16> copy{str_with_len_N};/64_stddev 0.655 ns 0.655 ns 4 -lstringa<16> copy{str_with_len_N};/64_cv 2.68 % 2.68 % 4 -lstringa<16> copy{str_with_len_N};/128_mean 24.4 ns 24.4 ns 4 -lstringa<16> copy{str_with_len_N};/128_median 24.5 ns 24.5 ns 4 -lstringa<16> copy{str_with_len_N};/128_stddev 0.639 ns 0.639 ns 4 -lstringa<16> copy{str_with_len_N};/128_cv 2.62 % 2.62 % 4 -lstringa<16> copy{str_with_len_N};/256_mean 26.2 ns 26.2 ns 4 -lstringa<16> copy{str_with_len_N};/256_median 26.1 ns 26.1 ns 4 -lstringa<16> copy{str_with_len_N};/256_stddev 0.329 ns 0.329 ns 4 -lstringa<16> copy{str_with_len_N};/256_cv 1.26 % 1.26 % 4 -lstringa<16> copy{str_with_len_N};/512_mean 28.9 ns 28.9 ns 4 -lstringa<16> copy{str_with_len_N};/512_median 28.8 ns 28.8 ns 4 -lstringa<16> copy{str_with_len_N};/512_stddev 0.706 ns 0.706 ns 4 -lstringa<16> copy{str_with_len_N};/512_cv 2.44 % 2.44 % 4 -lstringa<16> copy{str_with_len_N};/1024_mean 93.7 ns 93.7 ns 4 -lstringa<16> copy{str_with_len_N};/1024_median 93.8 ns 93.8 ns 4 -lstringa<16> copy{str_with_len_N};/1024_stddev 1.58 ns 1.58 ns 4 -lstringa<16> copy{str_with_len_N};/1024_cv 1.69 % 1.69 % 4 -lstringa<16> copy{str_with_len_N};/2048_mean 107 ns 107 ns 4 -lstringa<16> copy{str_with_len_N};/2048_median 106 ns 106 ns 4 -lstringa<16> copy{str_with_len_N};/2048_stddev 3.77 ns 3.77 ns 4 -lstringa<16> copy{str_with_len_N};/2048_cv 3.53 % 3.53 % 4 -lstringa<16> copy{str_with_len_N};/4096_mean 121 ns 121 ns 4 -lstringa<16> copy{str_with_len_N};/4096_median 120 ns 120 ns 4 -lstringa<16> copy{str_with_len_N};/4096_stddev 4.12 ns 4.12 ns 4 -lstringa<16> copy{str_with_len_N};/4096_cv 3.40 % 3.40 % 4 -lstringa<512> copy{str_with_len_N};/15_mean 4.49 ns 4.49 ns 4 -lstringa<512> copy{str_with_len_N};/15_median 4.50 ns 4.50 ns 4 -lstringa<512> copy{str_with_len_N};/15_stddev 0.124 ns 0.124 ns 4 -lstringa<512> copy{str_with_len_N};/15_cv 2.77 % 2.77 % 4 -lstringa<512> copy{str_with_len_N};/16_mean 4.61 ns 4.61 ns 4 -lstringa<512> copy{str_with_len_N};/16_median 4.45 ns 4.45 ns 4 -lstringa<512> copy{str_with_len_N};/16_stddev 0.401 ns 0.401 ns 4 -lstringa<512> copy{str_with_len_N};/16_cv 8.68 % 8.68 % 4 -lstringa<512> copy{str_with_len_N};/23_mean 4.75 ns 4.75 ns 4 -lstringa<512> copy{str_with_len_N};/23_median 4.54 ns 4.54 ns 4 -lstringa<512> copy{str_with_len_N};/23_stddev 0.598 ns 0.598 ns 4 -lstringa<512> copy{str_with_len_N};/23_cv 12.59 % 12.59 % 4 -lstringa<512> copy{str_with_len_N};/24_mean 5.41 ns 5.41 ns 4 -lstringa<512> copy{str_with_len_N};/24_median 5.38 ns 5.38 ns 4 -lstringa<512> copy{str_with_len_N};/24_stddev 0.399 ns 0.399 ns 4 -lstringa<512> copy{str_with_len_N};/24_cv 7.37 % 7.37 % 4 -lstringa<512> copy{str_with_len_N};/32_mean 4.77 ns 4.77 ns 4 -lstringa<512> copy{str_with_len_N};/32_median 4.67 ns 4.67 ns 4 -lstringa<512> copy{str_with_len_N};/32_stddev 0.600 ns 0.600 ns 4 -lstringa<512> copy{str_with_len_N};/32_cv 12.59 % 12.59 % 4 -lstringa<512> copy{str_with_len_N};/64_mean 6.39 ns 6.39 ns 4 -lstringa<512> copy{str_with_len_N};/64_median 6.24 ns 6.24 ns 4 -lstringa<512> copy{str_with_len_N};/64_stddev 0.669 ns 0.669 ns 4 -lstringa<512> copy{str_with_len_N};/64_cv 10.46 % 10.46 % 4 -lstringa<512> copy{str_with_len_N};/128_mean 6.25 ns 6.25 ns 4 -lstringa<512> copy{str_with_len_N};/128_median 6.23 ns 6.23 ns 4 -lstringa<512> copy{str_with_len_N};/128_stddev 0.134 ns 0.134 ns 4 -lstringa<512> copy{str_with_len_N};/128_cv 2.14 % 2.14 % 4 -lstringa<512> copy{str_with_len_N};/256_mean 8.31 ns 8.31 ns 4 -lstringa<512> copy{str_with_len_N};/256_median 8.26 ns 8.26 ns 4 -lstringa<512> copy{str_with_len_N};/256_stddev 0.430 ns 0.430 ns 4 -lstringa<512> copy{str_with_len_N};/256_cv 5.17 % 5.17 % 4 +stringa copy{str_with_len_N};/16_median 1.12 ns 1.12 ns 4 +stringa copy{str_with_len_N};/16_stddev 0.013 ns 0.013 ns 4 +stringa copy{str_with_len_N};/16_cv 1.18 % 1.18 % 4 +stringa copy{str_with_len_N};/23_mean 1.13 ns 1.13 ns 4 +stringa copy{str_with_len_N};/23_median 1.12 ns 1.12 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 1.94 % 1.94 % 4 +stringa copy{str_with_len_N};/24_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/24_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/24_stddev 0.087 ns 0.087 ns 4 +stringa copy{str_with_len_N};/24_cv 0.54 % 0.54 % 4 +stringa copy{str_with_len_N};/32_mean 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/32_median 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/32_stddev 0.086 ns 0.086 ns 4 +stringa copy{str_with_len_N};/32_cv 0.53 % 0.53 % 4 +stringa copy{str_with_len_N};/64_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/64_median 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/64_stddev 0.080 ns 0.080 ns 4 +stringa copy{str_with_len_N};/64_cv 0.50 % 0.50 % 4 +stringa copy{str_with_len_N};/128_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/128_median 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/128_stddev 0.288 ns 0.288 ns 4 +stringa copy{str_with_len_N};/128_cv 1.80 % 1.80 % 4 +stringa copy{str_with_len_N};/256_mean 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/256_median 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/256_stddev 0.151 ns 0.151 ns 4 +stringa copy{str_with_len_N};/256_cv 0.94 % 0.94 % 4 +stringa copy{str_with_len_N};/512_mean 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/512_median 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/512_stddev 0.043 ns 0.043 ns 4 +stringa copy{str_with_len_N};/512_cv 0.27 % 0.27 % 4 +stringa copy{str_with_len_N};/1024_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/1024_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/1024_stddev 0.192 ns 0.192 ns 4 +stringa copy{str_with_len_N};/1024_cv 1.20 % 1.20 % 4 +stringa copy{str_with_len_N};/2048_mean 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/2048_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/2048_stddev 0.034 ns 0.034 ns 4 +stringa copy{str_with_len_N};/2048_cv 0.21 % 0.21 % 4 +stringa copy{str_with_len_N};/4096_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/4096_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/4096_stddev 0.046 ns 0.046 ns 4 +stringa copy{str_with_len_N};/4096_cv 0.29 % 0.29 % 4 +lstringa<16> copy{str_with_len_N};/15_mean 4.45 ns 4.45 ns 4 +lstringa<16> copy{str_with_len_N};/15_median 4.42 ns 4.42 ns 4 +lstringa<16> copy{str_with_len_N};/15_stddev 0.094 ns 0.094 ns 4 +lstringa<16> copy{str_with_len_N};/15_cv 2.10 % 2.10 % 4 +lstringa<16> copy{str_with_len_N};/16_mean 4.60 ns 4.60 ns 4 +lstringa<16> copy{str_with_len_N};/16_median 4.41 ns 4.41 ns 4 +lstringa<16> copy{str_with_len_N};/16_stddev 0.431 ns 0.431 ns 4 +lstringa<16> copy{str_with_len_N};/16_cv 9.38 % 9.38 % 4 +lstringa<16> copy{str_with_len_N};/23_mean 4.53 ns 4.53 ns 4 +lstringa<16> copy{str_with_len_N};/23_median 4.50 ns 4.50 ns 4 +lstringa<16> copy{str_with_len_N};/23_stddev 0.095 ns 0.095 ns 4 +lstringa<16> copy{str_with_len_N};/23_cv 2.09 % 2.09 % 4 +lstringa<16> copy{str_with_len_N};/24_mean 24.4 ns 24.4 ns 4 +lstringa<16> copy{str_with_len_N};/24_median 24.4 ns 24.4 ns 4 +lstringa<16> copy{str_with_len_N};/24_stddev 0.254 ns 0.254 ns 4 +lstringa<16> copy{str_with_len_N};/24_cv 1.04 % 1.04 % 4 +lstringa<16> copy{str_with_len_N};/32_mean 23.5 ns 23.5 ns 4 +lstringa<16> copy{str_with_len_N};/32_median 23.6 ns 23.6 ns 4 +lstringa<16> copy{str_with_len_N};/32_stddev 0.375 ns 0.375 ns 4 +lstringa<16> copy{str_with_len_N};/32_cv 1.60 % 1.60 % 4 +lstringa<16> copy{str_with_len_N};/64_mean 25.7 ns 25.7 ns 4 +lstringa<16> copy{str_with_len_N};/64_median 25.8 ns 25.8 ns 4 +lstringa<16> copy{str_with_len_N};/64_stddev 0.246 ns 0.246 ns 4 +lstringa<16> copy{str_with_len_N};/64_cv 0.96 % 0.96 % 4 +lstringa<16> copy{str_with_len_N};/128_mean 26.2 ns 26.2 ns 4 +lstringa<16> copy{str_with_len_N};/128_median 26.2 ns 26.2 ns 4 +lstringa<16> copy{str_with_len_N};/128_stddev 0.718 ns 0.718 ns 4 +lstringa<16> copy{str_with_len_N};/128_cv 2.74 % 2.74 % 4 +lstringa<16> copy{str_with_len_N};/256_mean 27.1 ns 27.1 ns 4 +lstringa<16> copy{str_with_len_N};/256_median 26.9 ns 26.9 ns 4 +lstringa<16> copy{str_with_len_N};/256_stddev 0.473 ns 0.473 ns 4 +lstringa<16> copy{str_with_len_N};/256_cv 1.75 % 1.75 % 4 +lstringa<16> copy{str_with_len_N};/512_mean 32.1 ns 32.1 ns 4 +lstringa<16> copy{str_with_len_N};/512_median 31.6 ns 31.6 ns 4 +lstringa<16> copy{str_with_len_N};/512_stddev 2.66 ns 2.66 ns 4 +lstringa<16> copy{str_with_len_N};/512_cv 8.28 % 8.28 % 4 +lstringa<16> copy{str_with_len_N};/1024_mean 54.7 ns 54.7 ns 4 +lstringa<16> copy{str_with_len_N};/1024_median 54.6 ns 54.6 ns 4 +lstringa<16> copy{str_with_len_N};/1024_stddev 2.72 ns 2.72 ns 4 +lstringa<16> copy{str_with_len_N};/1024_cv 4.97 % 4.97 % 4 +lstringa<16> copy{str_with_len_N};/2048_mean 62.1 ns 62.1 ns 4 +lstringa<16> copy{str_with_len_N};/2048_median 62.1 ns 62.1 ns 4 +lstringa<16> copy{str_with_len_N};/2048_stddev 1.03 ns 1.03 ns 4 +lstringa<16> copy{str_with_len_N};/2048_cv 1.66 % 1.66 % 4 +lstringa<16> copy{str_with_len_N};/4096_mean 87.4 ns 87.4 ns 4 +lstringa<16> copy{str_with_len_N};/4096_median 85.0 ns 85.0 ns 4 +lstringa<16> copy{str_with_len_N};/4096_stddev 4.92 ns 4.92 ns 4 +lstringa<16> copy{str_with_len_N};/4096_cv 5.63 % 5.63 % 4 +lstringa<512> copy{str_with_len_N};/15_mean 4.78 ns 4.78 ns 4 +lstringa<512> copy{str_with_len_N};/15_median 4.80 ns 4.80 ns 4 +lstringa<512> copy{str_with_len_N};/15_stddev 0.057 ns 0.057 ns 4 +lstringa<512> copy{str_with_len_N};/15_cv 1.20 % 1.19 % 4 +lstringa<512> copy{str_with_len_N};/16_mean 4.84 ns 4.84 ns 4 +lstringa<512> copy{str_with_len_N};/16_median 4.84 ns 4.84 ns 4 +lstringa<512> copy{str_with_len_N};/16_stddev 0.029 ns 0.029 ns 4 +lstringa<512> copy{str_with_len_N};/16_cv 0.60 % 0.60 % 4 +lstringa<512> copy{str_with_len_N};/23_mean 4.93 ns 4.93 ns 4 +lstringa<512> copy{str_with_len_N};/23_median 4.86 ns 4.86 ns 4 +lstringa<512> copy{str_with_len_N};/23_stddev 0.200 ns 0.200 ns 4 +lstringa<512> copy{str_with_len_N};/23_cv 4.06 % 4.06 % 4 +lstringa<512> copy{str_with_len_N};/24_mean 4.79 ns 4.79 ns 4 +lstringa<512> copy{str_with_len_N};/24_median 4.80 ns 4.80 ns 4 +lstringa<512> copy{str_with_len_N};/24_stddev 0.090 ns 0.090 ns 4 +lstringa<512> copy{str_with_len_N};/24_cv 1.87 % 1.87 % 4 +lstringa<512> copy{str_with_len_N};/32_mean 4.56 ns 4.56 ns 4 +lstringa<512> copy{str_with_len_N};/32_median 4.55 ns 4.55 ns 4 +lstringa<512> copy{str_with_len_N};/32_stddev 0.191 ns 0.191 ns 4 +lstringa<512> copy{str_with_len_N};/32_cv 4.19 % 4.19 % 4 +lstringa<512> copy{str_with_len_N};/64_mean 6.35 ns 6.35 ns 4 +lstringa<512> copy{str_with_len_N};/64_median 6.44 ns 6.44 ns 4 +lstringa<512> copy{str_with_len_N};/64_stddev 0.314 ns 0.314 ns 4 +lstringa<512> copy{str_with_len_N};/64_cv 4.95 % 4.95 % 4 +lstringa<512> copy{str_with_len_N};/128_mean 6.59 ns 6.59 ns 4 +lstringa<512> copy{str_with_len_N};/128_median 6.33 ns 6.33 ns 4 +lstringa<512> copy{str_with_len_N};/128_stddev 0.589 ns 0.589 ns 4 +lstringa<512> copy{str_with_len_N};/128_cv 8.94 % 8.94 % 4 +lstringa<512> copy{str_with_len_N};/256_mean 17.2 ns 17.2 ns 4 +lstringa<512> copy{str_with_len_N};/256_median 17.1 ns 17.1 ns 4 +lstringa<512> copy{str_with_len_N};/256_stddev 0.067 ns 0.067 ns 4 +lstringa<512> copy{str_with_len_N};/256_cv 0.39 % 0.39 % 4 lstringa<512> copy{str_with_len_N};/512_mean 10.1 ns 10.1 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 0.229 ns 0.229 ns 4 -lstringa<512> copy{str_with_len_N};/512_cv 2.27 % 2.27 % 4 -lstringa<512> copy{str_with_len_N};/1024_mean 94.6 ns 94.6 ns 4 -lstringa<512> copy{str_with_len_N};/1024_median 95.6 ns 95.6 ns 4 -lstringa<512> copy{str_with_len_N};/1024_stddev 2.89 ns 2.89 ns 4 -lstringa<512> copy{str_with_len_N};/1024_cv 3.05 % 3.05 % 4 -lstringa<512> copy{str_with_len_N};/2048_mean 106 ns 106 ns 4 -lstringa<512> copy{str_with_len_N};/2048_median 105 ns 105 ns 4 -lstringa<512> copy{str_with_len_N};/2048_stddev 5.63 ns 5.63 ns 4 -lstringa<512> copy{str_with_len_N};/2048_cv 5.29 % 5.29 % 4 -lstringa<512> copy{str_with_len_N};/4096_mean 127 ns 127 ns 4 -lstringa<512> copy{str_with_len_N};/4096_median 128 ns 128 ns 4 -lstringa<512> copy{str_with_len_N};/4096_stddev 3.87 ns 3.87 ns 4 -lstringa<512> copy{str_with_len_N};/4096_cv 3.05 % 3.05 % 4 +lstringa<512> copy{str_with_len_N};/512_median 10.1 ns 10.1 ns 4 +lstringa<512> copy{str_with_len_N};/512_stddev 0.141 ns 0.141 ns 4 +lstringa<512> copy{str_with_len_N};/512_cv 1.40 % 1.40 % 4 +lstringa<512> copy{str_with_len_N};/1024_mean 56.4 ns 56.4 ns 4 +lstringa<512> copy{str_with_len_N};/1024_median 56.8 ns 56.8 ns 4 +lstringa<512> copy{str_with_len_N};/1024_stddev 1.89 ns 1.89 ns 4 +lstringa<512> copy{str_with_len_N};/1024_cv 3.35 % 3.35 % 4 +lstringa<512> copy{str_with_len_N};/2048_mean 67.1 ns 67.1 ns 4 +lstringa<512> copy{str_with_len_N};/2048_median 65.5 ns 65.5 ns 4 +lstringa<512> copy{str_with_len_N};/2048_stddev 3.62 ns 3.62 ns 4 +lstringa<512> copy{str_with_len_N};/2048_cv 5.40 % 5.40 % 4 +lstringa<512> copy{str_with_len_N};/4096_mean 88.7 ns 88.7 ns 4 +lstringa<512> copy{str_with_len_N};/4096_median 88.7 ns 88.7 ns 4 +lstringa<512> copy{str_with_len_N};/4096_stddev 0.924 ns 0.924 ns 4 +lstringa<512> copy{str_with_len_N};/4096_cv 1.04 % 1.04 % 4 ----- Convert to int '1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 27.1 ns 27.1 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 27.3 ns 27.3 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.694 ns 0.695 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.56 % 2.56 % 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 15.3 ns 15.3 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 15.2 ns 15.2 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.592 ns 0.592 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 3.86 % 3.86 % 4 -stringa s = "123456789"; int res = s.to_int_mean 12.9 ns 12.9 ns 4 -stringa s = "123456789"; int res = s.to_int_median 12.9 ns 12.9 ns 4 -stringa s = "123456789"; int res = s.to_int_stddev 0.284 ns 0.284 ns 4 -stringa s = "123456789"; int res = s.to_int_cv 2.21 % 2.21 % 4 -ssa s = "123456789"; int res = s.to_int_mean 12.6 ns 12.6 ns 4 -ssa s = "123456789"; int res = s.to_int_median 12.5 ns 12.5 ns 4 -ssa s = "123456789"; int res = s.to_int_stddev 0.448 ns 0.448 ns 4 -ssa s = "123456789"; int res = s.to_int_cv 3.57 % 3.57 % 4 -lstringa<20> s = "123456789"; int res = s.to_int_mean 12.4 ns 12.4 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_median 12.4 ns 12.4 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.119 ns 0.119 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_cv 0.96 % 0.96 % 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 26.4 ns 26.4 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 26.4 ns 26.4 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.181 ns 0.181 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 0.68 % 0.68 % 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 14.7 ns 14.7 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 14.6 ns 14.6 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.292 ns 0.292 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 1.98 % 1.98 % 4 +stringa s = "123456789"; int res = s.to_int_mean 12.7 ns 12.7 ns 4 +stringa s = "123456789"; int res = s.to_int_median 12.6 ns 12.6 ns 4 +stringa s = "123456789"; int res = s.to_int_stddev 0.195 ns 0.195 ns 4 +stringa s = "123456789"; int res = s.to_int_cv 1.54 % 1.54 % 4 +ssa s = "123456789"; int res = s.to_int_mean 13.1 ns 13.1 ns 4 +ssa s = "123456789"; int res = s.to_int_median 13.2 ns 13.2 ns 4 +ssa s = "123456789"; int res = s.to_int_stddev 0.454 ns 0.454 ns 4 +ssa s = "123456789"; int res = s.to_int_cv 3.45 % 3.45 % 4 +lstringa<20> s = "123456789"; int res = s.to_int_mean 12.6 ns 12.6 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_median 12.7 ns 12.7 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.078 ns 0.078 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_cv 0.62 % 0.62 % 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 23.8 ns 23.8 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.8 ns 23.8 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.551 ns 0.551 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.31 % 2.31 % 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.64 ns 9.64 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.62 ns 9.62 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.149 ns 0.149 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.55 % 1.55 % 4 -stringa s = "abcDef"; int res = s.to_int_mean 13.5 ns 13.5 ns 4 -stringa s = "abcDef"; int res = s.to_int_median 13.3 ns 13.3 ns 4 -stringa s = "abcDef"; int res = s.to_int_stddev 0.941 ns 0.941 ns 4 -stringa s = "abcDef"; int res = s.to_int_cv 6.95 % 6.95 % 4 -ssa s = "abcDef"; int res = s.to_int_mean 13.3 ns 13.3 ns 4 -ssa s = "abcDef"; int res = s.to_int_median 13.0 ns 13.0 ns 4 -ssa s = "abcDef"; int res = s.to_int_stddev 0.941 ns 0.941 ns 4 -ssa s = "abcDef"; int res = s.to_int_cv 7.05 % 7.05 % 4 -lstringa<20> s = "abcDef"; int res = s.to_int_mean 12.3 ns 12.3 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_median 12.3 ns 12.3 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.159 ns 0.159 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_cv 1.29 % 1.29 % 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 23.2 ns 23.2 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.3 ns 23.3 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.347 ns 0.347 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.49 % 1.49 % 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.53 ns 9.53 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.55 ns 9.55 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.142 ns 0.142 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.49 % 1.49 % 4 +stringa s = "abcDef"; int res = s.to_int_mean 11.4 ns 11.4 ns 4 +stringa s = "abcDef"; int res = s.to_int_median 11.4 ns 11.4 ns 4 +stringa s = "abcDef"; int res = s.to_int_stddev 0.258 ns 0.258 ns 4 +stringa s = "abcDef"; int res = s.to_int_cv 2.26 % 2.26 % 4 +ssa s = "abcDef"; int res = s.to_int_mean 11.2 ns 11.2 ns 4 +ssa s = "abcDef"; int res = s.to_int_median 11.1 ns 11.1 ns 4 +ssa s = "abcDef"; int res = s.to_int_stddev 0.524 ns 0.524 ns 4 +ssa s = "abcDef"; int res = s.to_int_cv 4.68 % 4.68 % 4 +lstringa<20> s = "abcDef"; int res = s.to_int_mean 11.3 ns 11.3 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_median 11.2 ns 11.2 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.238 ns 0.238 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_cv 2.11 % 2.11 % 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 28.5 ns 28.5 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 28.6 ns 28.6 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.214 ns 0.214 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 0.75 % 0.75 % 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 19.1 ns 19.1 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 18.7 ns 18.7 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 1.13 ns 1.13 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 5.93 % 5.93 % 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 15.4 ns 15.4 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 15.4 ns 15.4 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.235 ns 0.235 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.52 % 1.52 % 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 28.9 ns 28.9 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 28.5 ns 28.5 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 1.39 ns 1.39 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 4.81 % 4.81 % 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 18.9 ns 18.9 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 18.9 ns 18.9 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.150 ns 0.150 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 0.79 % 0.79 % 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 14.9 ns 14.9 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 14.8 ns 14.8 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.215 ns 0.215 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.44 % 1.44 % 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 66.0 ns 66.0 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 0.891 ns 0.890 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 1.34 % 1.34 % 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 23.9 ns 23.9 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 24.0 ns 24.0 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.276 ns 0.276 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.15 % 1.15 % 4 -ssa s = "1234.567e10"; double res = *s.to_double()_mean 25.8 ns 25.8 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_median 26.0 ns 26.0 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.584 ns 0.584 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.26 % 2.26 % 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 66.7 ns 66.7 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 64.4 ns 64.4 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 5.07 ns 5.07 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 7.59 % 7.59 % 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 24.9 ns 24.9 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 25.0 ns 25.0 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.357 ns 0.357 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.44 % 1.44 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_mean 25.4 ns 25.4 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_median 25.5 ns 25.5 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.469 ns 0.469 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.85 % 1.85 % 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 1343 ns 1343 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_median 1333 ns 1333 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 29.9 ns 29.9 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.23 % 2.23 % 4 -std::string str; ... str += "abbaabbaabbaabba";_mean 400 ns 400 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_median 398 ns 398 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_stddev 12.4 ns 12.4 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_cv 3.12 % 3.12 % 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 384 ns 384 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_median 384 ns 384 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 1.22 ns 1.22 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 0.32 % 0.32 % 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 282 ns 282 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_median 283 ns 283 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 8.25 ns 8.25 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 2.92 % 2.92 % 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 255 ns 255 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_median 261 ns 261 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 14.8 ns 14.8 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 5.80 % 5.80 % 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 154 ns 154 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 154 ns 154 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 1.31 ns 1.31 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 0.85 % 0.85 % 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1382 ns 1382 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_median 1383 ns 1384 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 26.3 ns 26.3 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_cv 1.90 % 1.90 % 4 +std::string str; ... str += "abbaabbaabbaabba";_mean 347 ns 347 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_median 345 ns 345 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_stddev 9.44 ns 9.44 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_cv 2.72 % 2.72 % 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 363 ns 363 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_median 348 ns 348 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 38.6 ns 38.6 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 10.63 % 10.63 % 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 249 ns 249 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_median 237 ns 237 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 26.4 ns 26.4 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 10.60 % 10.60 % 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 213 ns 213 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_median 216 ns 216 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 21.7 ns 21.7 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 10.17 % 10.17 % 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 135 ns 135 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 135 ns 135 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 0.578 ns 0.578 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 0.43 % 0.43 % 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 1440 ns 1440 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1434 ns 1434 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 35.5 ns 35.5 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.46 % 2.46 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1221 ns 1221 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1224 ns 1224 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 28.8 ns 28.8 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 2.36 % 2.36 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 444 ns 444 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 434 ns 434 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 40.4 ns 40.4 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 9.12 % 9.12 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 366 ns 367 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 368 ns 368 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 9.59 ns 9.59 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.62 % 2.62 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 297 ns 297 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 303 ns 303 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 18.2 ns 18.2 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.13 % 6.13 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 201 ns 201 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 198 ns 198 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 8.16 ns 8.16 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.07 % 4.07 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1371 ns 1371 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1376 ns 1376 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 17.3 ns 17.3 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 1.26 % 1.26 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1266 ns 1266 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1236 ns 1236 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 69.6 ns 69.6 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 5.50 % 5.50 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 413 ns 413 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 411 ns 411 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 12.7 ns 12.7 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.07 % 3.07 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 315 ns 315 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 315 ns 315 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 5.49 ns 5.49 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.74 % 1.74 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 287 ns 287 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 284 ns 284 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 9.43 ns 9.43 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.29 % 3.29 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 231 ns 231 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 232 ns 232 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 4.36 ns 4.36 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.88 % 1.88 % 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 77169 ns 77169 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 76502 ns 76502 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 2391 ns 2391 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.10 % 3.10 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 73735 ns 73735 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 73638 ns 73638 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2379 ns 2379 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.23 % 3.23 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 23209 ns 23209 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 21203 ns 21203 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4334 ns 4334 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 18.68 % 18.68 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18060 ns 18060 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17598 ns 17598 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1438 ns 1438 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.96 % 7.96 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19949 ns 19949 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 19751 ns 19751 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1436 ns 1436 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.20 % 7.20 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 20464 ns 20464 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 20348 ns 20348 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1584 ns 1584 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.74 % 7.74 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 116458 ns 116458 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 116426 ns 116426 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 5311 ns 5311 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 4.56 % 4.56 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 71688 ns 71688 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 71654 ns 71655 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 510 ns 510 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 0.71 % 0.71 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 40461 ns 40462 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 40387 ns 40387 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 626 ns 626 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.55 % 1.55 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 24967 ns 24967 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 25352 ns 25352 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1046 ns 1046 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.19 % 4.19 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17099 ns 17099 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16390 ns 16390 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2371 ns 2371 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 13.87 % 13.87 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18583 ns 18583 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18486 ns 18486 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 932 ns 932 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 5.01 % 5.01 % 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 1527 ns 1527 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_median 1532 ns 1532 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_stddev 35.2 ns 35.1 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_cv 2.30 % 2.30 % 4 -std::string str; ... str += str_var1 + str_var2;_mean 1467 ns 1467 ns 4 -std::string str; ... str += str_var1 + str_var2;_median 1444 ns 1444 ns 4 -std::string str; ... str += str_var1 + str_var2;_stddev 59.7 ns 59.7 ns 4 -std::string str; ... str += str_var1 + str_var2;_cv 4.07 % 4.07 % 4 -lstringa<16> str; ... str += str_var1 + str_var2;_mean 532 ns 532 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_median 533 ns 533 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_stddev 8.68 ns 8.68 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.63 % 1.63 % 4 -lstringa<128> str; ... str += str_var1 + str_var2;_mean 466 ns 466 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_median 464 ns 464 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_stddev 9.92 ns 9.92 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_cv 2.13 % 2.13 % 4 -lstringa<512> str; ... str += str_var1 + str_var2;_mean 413 ns 413 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_median 416 ns 416 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_stddev 12.1 ns 12.1 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_cv 2.94 % 2.94 % 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_mean 314 ns 314 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_median 316 ns 316 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 10.5 ns 10.5 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_cv 3.34 % 3.34 % 4 +std::stringstream str; ... str << str_var1 << str_var2;_mean 1515 ns 1515 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_median 1508 ns 1508 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_stddev 76.5 ns 76.5 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_cv 5.05 % 5.05 % 4 +std::string str; ... str += str_var1 + str_var2;_mean 1485 ns 1485 ns 4 +std::string str; ... str += str_var1 + str_var2;_median 1443 ns 1443 ns 4 +std::string str; ... str += str_var1 + str_var2;_stddev 111 ns 111 ns 4 +std::string str; ... str += str_var1 + str_var2;_cv 7.49 % 7.49 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_mean 470 ns 470 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_median 472 ns 472 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_stddev 8.83 ns 8.83 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.88 % 1.88 % 4 +lstringa<128> str; ... str += str_var1 + str_var2;_mean 418 ns 418 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_median 400 ns 400 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_stddev 37.2 ns 37.2 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_cv 8.88 % 8.88 % 4 +lstringa<512> str; ... str += str_var1 + str_var2;_mean 367 ns 367 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_median 366 ns 366 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_stddev 8.59 ns 8.59 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_cv 2.34 % 2.34 % 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_mean 290 ns 290 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_median 290 ns 290 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 2.88 ns 2.88 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_cv 0.99 % 0.99 % 4 -- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::stringstream str; str << "test = " << k << " times";_mean 3076 ns 3076 ns 4 -std::stringstream str; str << "test = " << k << " times";_median 3066 ns 3066 ns 4 -std::stringstream str; str << "test = " << k << " times";_stddev 98.4 ns 98.4 ns 4 -std::stringstream str; str << "test = " << k << " times";_cv 3.20 % 3.20 % 4 -std::string str = "test = " + std::to_string(k) + " times";_mean 494 ns 494 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_median 496 ns 496 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_stddev 11.5 ns 11.5 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_cv 2.33 % 2.33 % 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1421 ns 1421 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1426 ns 1426 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 29.9 ns 29.9 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 2.10 % 2.10 % 4 -std::string str = std::format("test = {} times", k);_mean 1118 ns 1118 ns 4 -std::string str = std::format("test = {} times", k);_median 1118 ns 1118 ns 4 -std::string str = std::format("test = {} times", k);_stddev 4.01 ns 4.01 ns 4 -std::string str = std::format("test = {} times", k);_cv 0.36 % 0.36 % 4 -lstringa<8> str; str.format("test = {} times", k);_mean 1374 ns 1374 ns 4 -lstringa<8> str; str.format("test = {} times", k);_median 1364 ns 1364 ns 4 -lstringa<8> str; str.format("test = {} times", k);_stddev 46.6 ns 46.6 ns 4 -lstringa<8> str; str.format("test = {} times", k);_cv 3.39 % 3.39 % 4 -lstringa<32> str; str.format("test = {} times", k);_mean 974 ns 974 ns 4 -lstringa<32> str; str.format("test = {} times", k);_median 981 ns 981 ns 4 -lstringa<32> str; str.format("test = {} times", k);_stddev 21.3 ns 21.3 ns 4 -lstringa<32> str; str.format("test = {} times", k);_cv 2.19 % 2.19 % 4 -lstringa<8> str = "test = " + k + " times";_mean 296 ns 296 ns 4 -lstringa<8> str = "test = " + k + " times";_median 296 ns 296 ns 4 -lstringa<8> str = "test = " + k + " times";_stddev 6.67 ns 6.67 ns 4 -lstringa<8> str = "test = " + k + " times";_cv 2.25 % 2.25 % 4 -lstringa<32> str = "test = " + k + " times";_mean 155 ns 155 ns 4 -lstringa<32> str = "test = " + k + " times";_median 154 ns 154 ns 4 -lstringa<32> str = "test = " + k + " times";_stddev 3.30 ns 3.30 ns 4 -lstringa<32> str = "test = " + k + " times";_cv 2.14 % 2.14 % 4 -stringa str = "test = " + k + " times";_mean 153 ns 153 ns 4 -stringa str = "test = " + k + " times";_median 154 ns 154 ns 4 -stringa str = "test = " + k + " times";_stddev 2.68 ns 2.68 ns 4 -stringa str = "test = " + k + " times";_cv 1.76 % 1.76 % 4 +std::stringstream str; str << "test = " << k << " times";_mean 3014 ns 3014 ns 4 +std::stringstream str; str << "test = " << k << " times";_median 3007 ns 3007 ns 4 +std::stringstream str; str << "test = " << k << " times";_stddev 76.9 ns 76.9 ns 4 +std::stringstream str; str << "test = " << k << " times";_cv 2.55 % 2.55 % 4 +std::string str = "test = " + std::to_string(k) + " times";_mean 472 ns 472 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_median 471 ns 471 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_stddev 4.39 ns 4.39 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_cv 0.93 % 0.93 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1422 ns 1422 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1406 ns 1406 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 56.2 ns 56.2 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 3.95 % 3.95 % 4 +std::string str = std::format("test = {} times", k);_mean 1174 ns 1174 ns 4 +std::string str = std::format("test = {} times", k);_median 1166 ns 1166 ns 4 +std::string str = std::format("test = {} times", k);_stddev 44.0 ns 44.0 ns 4 +std::string str = std::format("test = {} times", k);_cv 3.75 % 3.75 % 4 +lstringa<8> str; str.format("test = {} times", k);_mean 1387 ns 1387 ns 4 +lstringa<8> str; str.format("test = {} times", k);_median 1366 ns 1366 ns 4 +lstringa<8> str; str.format("test = {} times", k);_stddev 63.5 ns 63.5 ns 4 +lstringa<8> str; str.format("test = {} times", k);_cv 4.58 % 4.58 % 4 +lstringa<32> str; str.format("test = {} times", k);_mean 1056 ns 1056 ns 4 +lstringa<32> str; str.format("test = {} times", k);_median 1051 ns 1051 ns 4 +lstringa<32> str; str.format("test = {} times", k);_stddev 33.1 ns 33.1 ns 4 +lstringa<32> str; str.format("test = {} times", k);_cv 3.13 % 3.13 % 4 +lstringa<8> str = "test = " + k + " times";_mean 294 ns 294 ns 4 +lstringa<8> str = "test = " + k + " times";_median 289 ns 289 ns 4 +lstringa<8> str = "test = " + k + " times";_stddev 16.0 ns 16.0 ns 4 +lstringa<8> str = "test = " + k + " times";_cv 5.44 % 5.44 % 4 +lstringa<32> str = "test = " + k + " times";_mean 151 ns 151 ns 4 +lstringa<32> str = "test = " + k + " times";_median 152 ns 152 ns 4 +lstringa<32> str = "test = " + k + " times";_stddev 2.76 ns 2.76 ns 4 +lstringa<32> str = "test = " + k + " times";_cv 1.83 % 1.83 % 4 +stringa str = "test = " + k + " times";_mean 145 ns 145 ns 4 +stringa str = "test = " + k + " times";_median 146 ns 146 ns 4 +stringa str = "test = " + k + " times";_stddev 1.59 ns 1.59 ns 4 +stringa str = "test = " + k + " times";_cv 1.09 % 1.09 % 4 -- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find + substr + std::strtol_mean 281 ns 281 ns 4 -std::string::find + substr + std::strtol_median 280 ns 280 ns 4 -std::string::find + substr + std::strtol_stddev 8.26 ns 8.26 ns 4 -std::string::find + substr + std::strtol_cv 2.94 % 2.94 % 4 -ssa::splitter + ssa::as_int_mean 157 ns 157 ns 4 -ssa::splitter + ssa::as_int_median 155 ns 155 ns 4 -ssa::splitter + ssa::as_int_stddev 8.15 ns 8.15 ns 4 -ssa::splitter + ssa::as_int_cv 5.18 % 5.18 % 4 -ssa::splitf + functor_mean 215 ns 215 ns 4 -ssa::splitf + functor_median 214 ns 214 ns 4 -ssa::splitf + functor_stddev 4.23 ns 4.23 ns 4 -ssa::splitf + functor_cv 1.97 % 1.97 % 4 +std::string::find + substr + std::strtol_mean 271 ns 271 ns 4 +std::string::find + substr + std::strtol_median 267 ns 267 ns 4 +std::string::find + substr + std::strtol_stddev 7.51 ns 7.51 ns 4 +std::string::find + substr + std::strtol_cv 2.77 % 2.77 % 4 +ssa::splitter + ssa::as_int_mean 152 ns 152 ns 4 +ssa::splitter + ssa::as_int_median 153 ns 153 ns 4 +ssa::splitter + ssa::as_int_stddev 1.22 ns 1.22 ns 4 +ssa::splitter + ssa::as_int_cv 0.80 % 0.80 % 4 +ssa::splitf + functor_mean 200 ns 200 ns 4 +ssa::splitf + functor_median 199 ns 199 ns 4 +ssa::splitf + functor_stddev 5.26 ns 5.26 ns 4 +ssa::splitf + functor_cv 2.63 % 2.63 % 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 1000 ns 1000 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_median 982 ns 982 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_stddev 51.7 ns 51.7 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_cv 5.17 % 5.17 % 4 -replace symbols with std::string find_first_of + replace_mean 2679 ns 2679 ns 4 -replace symbols with std::string find_first_of + replace_median 2668 ns 2668 ns 4 -replace symbols with std::string find_first_of + replace_stddev 50.4 ns 50.4 ns 4 -replace symbols with std::string find_first_of + replace_cv 1.88 % 1.88 % 4 -replace symbols with std::string_view find_first_of + copy_mean 1109 ns 1109 ns 4 -replace symbols with std::string_view find_first_of + copy_median 1107 ns 1107 ns 4 -replace symbols with std::string_view find_first_of + copy_stddev 33.7 ns 33.7 ns 4 -replace symbols with std::string_view find_first_of + copy_cv 3.04 % 3.04 % 4 -replace runtime symbols with string expressions and without remembering all search results_mean 1267 ns 1267 ns 4 -replace runtime symbols with string expressions and without remembering all search results_median 1281 ns 1281 ns 4 -replace runtime symbols with string expressions and without remembering all search results_stddev 44.6 ns 44.6 ns 4 -replace runtime symbols with string expressions and without remembering all search results_cv 3.52 % 3.52 % 4 -replace runtime symbols with simstr and memorization of all search results_mean 1002 ns 1002 ns 4 -replace runtime symbols with simstr and memorization of all search results_median 1010 ns 1010 ns 4 -replace runtime symbols with simstr and memorization of all search results_stddev 21.0 ns 21.0 ns 4 -replace runtime symbols with simstr and memorization of all search results_cv 2.09 % 2.09 % 4 -replace const symbols with string expressions and without remembering all search results_mean 1150 ns 1150 ns 4 -replace const symbols with string expressions and without remembering all search results_median 1143 ns 1143 ns 4 -replace const symbols with string expressions and without remembering all search results_stddev 40.6 ns 40.6 ns 4 -replace const symbols with string expressions and without remembering all search results_cv 3.53 % 3.53 % 4 -replace const symbols with string expressions and memorization of all search results_mean 870 ns 870 ns 4 -replace const symbols with string expressions and memorization of all search results_median 870 ns 870 ns 4 -replace const symbols with string expressions and memorization of all search results_stddev 20.7 ns 20.7 ns 4 -replace const symbols with string expressions and memorization of all search results_cv 2.38 % 2.38 % 4 +Naive (and wrong) replace symbols with std::string find + replace_mean 846 ns 846 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_median 850 ns 850 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_stddev 9.77 ns 9.77 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_cv 1.15 % 1.15 % 4 +replace symbols with std::string find_first_of + replace_mean 2461 ns 2461 ns 4 +replace symbols with std::string find_first_of + replace_median 2404 ns 2404 ns 4 +replace symbols with std::string find_first_of + replace_stddev 166 ns 166 ns 4 +replace symbols with std::string find_first_of + replace_cv 6.73 % 6.73 % 4 +replace symbols with std::string_view find_first_of + copy_mean 1085 ns 1085 ns 4 +replace symbols with std::string_view find_first_of + copy_median 1086 ns 1086 ns 4 +replace symbols with std::string_view find_first_of + copy_stddev 15.3 ns 15.3 ns 4 +replace symbols with std::string_view find_first_of + copy_cv 1.41 % 1.41 % 4 +replace runtime symbols with string expressions and without remembering all search results_mean 1294 ns 1294 ns 4 +replace runtime symbols with string expressions and without remembering all search results_median 1298 ns 1298 ns 4 +replace runtime symbols with string expressions and without remembering all search results_stddev 20.7 ns 20.7 ns 4 +replace runtime symbols with string expressions and without remembering all search results_cv 1.60 % 1.60 % 4 +replace runtime symbols with simstr and memorization of all search results_mean 1076 ns 1076 ns 4 +replace runtime symbols with simstr and memorization of all search results_median 1051 ns 1051 ns 4 +replace runtime symbols with simstr and memorization of all search results_stddev 71.8 ns 71.8 ns 4 +replace runtime symbols with simstr and memorization of all search results_cv 6.68 % 6.68 % 4 +replace const symbols with string expressions and without remembering all search results_mean 1042 ns 1042 ns 4 +replace const symbols with string expressions and without remembering all search results_median 1008 ns 1008 ns 4 +replace const symbols with string expressions and without remembering all search results_stddev 73.1 ns 73.1 ns 4 +replace const symbols with string expressions and without remembering all search results_cv 7.01 % 7.01 % 4 +replace const symbols with string expressions and memorization of all search results_mean 889 ns 889 ns 4 +replace const symbols with string expressions and memorization of all search results_median 891 ns 891 ns 4 +replace const symbols with string expressions and memorization of all search results_stddev 9.30 ns 9.30 ns 4 +replace const symbols with string expressions and memorization of all search results_cv 1.05 % 1.05 % 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 172 ns 172 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_median 171 ns 171 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_stddev 4.80 ns 4.80 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.79 % 2.79 % 4 -Short replace symbols with std::string find_first_of + replace_mean 322 ns 322 ns 4 -Short replace symbols with std::string find_first_of + replace_median 330 ns 330 ns 4 -Short replace symbols with std::string find_first_of + replace_stddev 17.2 ns 17.2 ns 4 -Short replace symbols with std::string find_first_of + replace_cv 5.32 % 5.32 % 4 -Short replace symbols with std::string_view find_first_of + copy_mean 167 ns 167 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_mean 170 ns 170 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_median 168 ns 168 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_stddev 10.2 ns 10.2 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_cv 5.97 % 5.97 % 4 +Short replace symbols with std::string find_first_of + replace_mean 314 ns 314 ns 4 +Short replace symbols with std::string find_first_of + replace_median 312 ns 312 ns 4 +Short replace symbols with std::string find_first_of + replace_stddev 4.98 ns 4.98 ns 4 +Short replace symbols with std::string find_first_of + replace_cv 1.59 % 1.59 % 4 +Short replace symbols with std::string_view find_first_of + copy_mean 165 ns 165 ns 4 Short replace symbols with std::string_view find_first_of + copy_median 166 ns 166 ns 4 -Short replace symbols with std::string_view find_first_of + copy_stddev 1.52 ns 1.52 ns 4 -Short replace symbols with std::string_view find_first_of + copy_cv 0.91 % 0.91 % 4 -Short replace runtime symbols with string expressions and without remembering all search results_mean 181 ns 181 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_median 180 ns 180 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_stddev 5.33 ns 5.33 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_cv 2.94 % 2.94 % 4 -Short replace runtime symbols with simstr and memorization of all search results_mean 185 ns 185 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_median 183 ns 183 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_stddev 4.78 ns 4.78 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_cv 2.59 % 2.59 % 4 -Short replace const symbols with string expressions and without remembering all search results_mean 144 ns 144 ns 4 -Short replace const symbols with string expressions and without remembering all search results_median 143 ns 143 ns 4 -Short replace const symbols with string expressions and without remembering all search results_stddev 2.68 ns 2.68 ns 4 -Short replace const symbols with string expressions and without remembering all search results_cv 1.85 % 1.85 % 4 -Short replace const symbols with string expressions and memorization of all search results_mean 143 ns 143 ns 4 -Short replace const symbols with string expressions and memorization of all search results_median 143 ns 143 ns 4 -Short replace const symbols with string expressions and memorization of all search results_stddev 0.641 ns 0.641 ns 4 -Short replace const symbols with string expressions and memorization of all search results_cv 0.45 % 0.45 % 4 +Short replace symbols with std::string_view find_first_of + copy_stddev 2.45 ns 2.45 ns 4 +Short replace symbols with std::string_view find_first_of + copy_cv 1.48 % 1.48 % 4 +Short replace runtime symbols with string expressions and without remembering all search results_mean 193 ns 193 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_median 193 ns 193 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_stddev 3.08 ns 3.08 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_cv 1.59 % 1.59 % 4 +Short replace runtime symbols with simstr and memorization of all search results_mean 186 ns 186 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_median 187 ns 187 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_stddev 3.78 ns 3.78 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_cv 2.03 % 2.03 % 4 +Short replace const symbols with string expressions and without remembering all search results_mean 135 ns 135 ns 4 +Short replace const symbols with string expressions and without remembering all search results_median 133 ns 133 ns 4 +Short replace const symbols with string expressions and without remembering all search results_stddev 6.73 ns 6.73 ns 4 +Short replace const symbols with string expressions and without remembering all search results_cv 4.98 % 4.98 % 4 +Short replace const symbols with string expressions and memorization of all search results_mean 152 ns 152 ns 4 +Short replace const symbols with string expressions and memorization of all search results_median 151 ns 151 ns 4 +Short replace const symbols with string expressions and memorization of all search results_stddev 1.55 ns 1.55 ns 4 +Short replace const symbols with string expressions and memorization of all search results_cv 1.02 % 1.02 % 4 ----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to ---- in std::string|64_mean 156 ns 156 ns 4 -replace bb to ---- in std::string|64_median 155 ns 155 ns 4 -replace bb to ---- in std::string|64_stddev 2.62 ns 2.62 ns 4 -replace bb to ---- in std::string|64_cv 1.68 % 1.68 % 4 -replace bb to ---- in std::string|256_mean 525 ns 525 ns 4 +replace bb to ---- in std::string|64_mean 160 ns 160 ns 4 +replace bb to ---- in std::string|64_median 160 ns 160 ns 4 +replace bb to ---- in std::string|64_stddev 3.48 ns 3.48 ns 4 +replace bb to ---- in std::string|64_cv 2.17 % 2.17 % 4 +replace bb to ---- in std::string|256_mean 522 ns 522 ns 4 replace bb to ---- in std::string|256_median 524 ns 524 ns 4 -replace bb to ---- in std::string|256_stddev 11.1 ns 11.1 ns 4 -replace bb to ---- in std::string|256_cv 2.11 % 2.11 % 4 -replace bb to ---- in std::string|512_mean 1042 ns 1042 ns 4 -replace bb to ---- in std::string|512_median 1042 ns 1042 ns 4 -replace bb to ---- in std::string|512_stddev 5.69 ns 5.69 ns 4 -replace bb to ---- in std::string|512_cv 0.55 % 0.55 % 4 -replace bb to ---- in std::string|1024_mean 2418 ns 2418 ns 4 -replace bb to ---- in std::string|1024_median 2373 ns 2373 ns 4 -replace bb to ---- in std::string|1024_stddev 174 ns 174 ns 4 -replace bb to ---- in std::string|1024_cv 7.18 % 7.18 % 4 -replace bb to ---- in std::string|2048_mean 5883 ns 5883 ns 4 -replace bb to ---- in std::string|2048_median 5916 ns 5916 ns 4 -replace bb to ---- in std::string|2048_stddev 106 ns 106 ns 4 -replace bb to ---- in std::string|2048_cv 1.79 % 1.79 % 4 -replace bb to ---- in lstringa<8>|64_mean 144 ns 144 ns 4 -replace bb to ---- in lstringa<8>|64_median 141 ns 141 ns 4 -replace bb to ---- in lstringa<8>|64_stddev 9.16 ns 9.16 ns 4 -replace bb to ---- in lstringa<8>|64_cv 6.38 % 6.38 % 4 -replace bb to ---- in lstringa<8>|256_mean 529 ns 529 ns 4 -replace bb to ---- in lstringa<8>|256_median 528 ns 528 ns 4 -replace bb to ---- in lstringa<8>|256_stddev 49.3 ns 49.3 ns 4 -replace bb to ---- in lstringa<8>|256_cv 9.32 % 9.32 % 4 -replace bb to ---- in lstringa<8>|512_mean 880 ns 880 ns 4 -replace bb to ---- in lstringa<8>|512_median 883 ns 883 ns 4 -replace bb to ---- in lstringa<8>|512_stddev 97.4 ns 97.4 ns 4 -replace bb to ---- in lstringa<8>|512_cv 11.07 % 11.07 % 4 -replace bb to ---- in lstringa<8>|1024_mean 1805 ns 1805 ns 4 -replace bb to ---- in lstringa<8>|1024_median 1790 ns 1790 ns 4 -replace bb to ---- in lstringa<8>|1024_stddev 54.4 ns 54.4 ns 4 -replace bb to ---- in lstringa<8>|1024_cv 3.01 % 3.01 % 4 -replace bb to ---- in lstringa<8>|2048_mean 3265 ns 3265 ns 4 -replace bb to ---- in lstringa<8>|2048_median 3245 ns 3245 ns 4 -replace bb to ---- in lstringa<8>|2048_stddev 76.3 ns 76.3 ns 4 -replace bb to ---- in lstringa<8>|2048_cv 2.34 % 2.34 % 4 -replace bb to ---- by init stringa|64_mean 107 ns 107 ns 4 -replace bb to ---- by init stringa|64_median 107 ns 107 ns 4 -replace bb to ---- by init stringa|64_stddev 2.42 ns 2.42 ns 4 -replace bb to ---- by init stringa|64_cv 2.25 % 2.25 % 4 -replace bb to ---- by init stringa|256_mean 313 ns 313 ns 4 -replace bb to ---- by init stringa|256_median 310 ns 310 ns 4 -replace bb to ---- by init stringa|256_stddev 10.2 ns 10.2 ns 4 -replace bb to ---- by init stringa|256_cv 3.27 % 3.27 % 4 -replace bb to ---- by init stringa|512_mean 751 ns 751 ns 4 -replace bb to ---- by init stringa|512_median 757 ns 757 ns 4 -replace bb to ---- by init stringa|512_stddev 28.0 ns 28.0 ns 4 -replace bb to ---- by init stringa|512_cv 3.72 % 3.72 % 4 -replace bb to ---- by init stringa|1024_mean 1657 ns 1657 ns 4 -replace bb to ---- by init stringa|1024_median 1620 ns 1620 ns 4 -replace bb to ---- by init stringa|1024_stddev 105 ns 105 ns 4 -replace bb to ---- by init stringa|1024_cv 6.36 % 6.36 % 4 -replace bb to ---- by init stringa|2048_mean 3126 ns 3126 ns 4 -replace bb to ---- by init stringa|2048_median 3128 ns 3128 ns 4 -replace bb to ---- by init stringa|2048_stddev 28.8 ns 28.8 ns 4 -replace bb to ---- by init stringa|2048_cv 0.92 % 0.92 % 4 +replace bb to ---- in std::string|256_stddev 8.48 ns 8.48 ns 4 +replace bb to ---- in std::string|256_cv 1.63 % 1.63 % 4 +replace bb to ---- in std::string|512_mean 1021 ns 1021 ns 4 +replace bb to ---- in std::string|512_median 1022 ns 1022 ns 4 +replace bb to ---- in std::string|512_stddev 31.8 ns 31.8 ns 4 +replace bb to ---- in std::string|512_cv 3.11 % 3.11 % 4 +replace bb to ---- in std::string|1024_mean 2275 ns 2275 ns 4 +replace bb to ---- in std::string|1024_median 2255 ns 2255 ns 4 +replace bb to ---- in std::string|1024_stddev 187 ns 187 ns 4 +replace bb to ---- in std::string|1024_cv 8.21 % 8.21 % 4 +replace bb to ---- in std::string|2048_mean 6028 ns 6028 ns 4 +replace bb to ---- in std::string|2048_median 5940 ns 5940 ns 4 +replace bb to ---- in std::string|2048_stddev 544 ns 544 ns 4 +replace bb to ---- in std::string|2048_cv 9.02 % 9.02 % 4 +replace bb to ---- in lstringa<8>|64_mean 136 ns 136 ns 4 +replace bb to ---- in lstringa<8>|64_median 134 ns 134 ns 4 +replace bb to ---- in lstringa<8>|64_stddev 4.74 ns 4.74 ns 4 +replace bb to ---- in lstringa<8>|64_cv 3.48 % 3.48 % 4 +replace bb to ---- in lstringa<8>|256_mean 449 ns 449 ns 4 +replace bb to ---- in lstringa<8>|256_median 438 ns 438 ns 4 +replace bb to ---- in lstringa<8>|256_stddev 25.2 ns 25.2 ns 4 +replace bb to ---- in lstringa<8>|256_cv 5.60 % 5.60 % 4 +replace bb to ---- in lstringa<8>|512_mean 864 ns 864 ns 4 +replace bb to ---- in lstringa<8>|512_median 837 ns 837 ns 4 +replace bb to ---- in lstringa<8>|512_stddev 71.1 ns 71.1 ns 4 +replace bb to ---- in lstringa<8>|512_cv 8.23 % 8.23 % 4 +replace bb to ---- in lstringa<8>|1024_mean 1732 ns 1732 ns 4 +replace bb to ---- in lstringa<8>|1024_median 1735 ns 1735 ns 4 +replace bb to ---- in lstringa<8>|1024_stddev 83.6 ns 83.6 ns 4 +replace bb to ---- in lstringa<8>|1024_cv 4.82 % 4.82 % 4 +replace bb to ---- in lstringa<8>|2048_mean 3799 ns 3799 ns 4 +replace bb to ---- in lstringa<8>|2048_median 3777 ns 3777 ns 4 +replace bb to ---- in lstringa<8>|2048_stddev 191 ns 191 ns 4 +replace bb to ---- in lstringa<8>|2048_cv 5.04 % 5.04 % 4 +replace bb to ---- by init stringa|64_mean 100 ns 100 ns 4 +replace bb to ---- by init stringa|64_median 96.5 ns 96.5 ns 4 +replace bb to ---- by init stringa|64_stddev 9.09 ns 9.09 ns 4 +replace bb to ---- by init stringa|64_cv 9.06 % 9.06 % 4 +replace bb to ---- by init stringa|256_mean 304 ns 304 ns 4 +replace bb to ---- by init stringa|256_median 301 ns 301 ns 4 +replace bb to ---- by init stringa|256_stddev 11.6 ns 11.6 ns 4 +replace bb to ---- by init stringa|256_cv 3.83 % 3.83 % 4 +replace bb to ---- by init stringa|512_mean 693 ns 693 ns 4 +replace bb to ---- by init stringa|512_median 691 ns 691 ns 4 +replace bb to ---- by init stringa|512_stddev 7.00 ns 7.00 ns 4 +replace bb to ---- by init stringa|512_cv 1.01 % 1.01 % 4 +replace bb to ---- by init stringa|1024_mean 1461 ns 1461 ns 4 +replace bb to ---- by init stringa|1024_median 1468 ns 1468 ns 4 +replace bb to ---- by init stringa|1024_stddev 21.7 ns 21.7 ns 4 +replace bb to ---- by init stringa|1024_cv 1.48 % 1.48 % 4 +replace bb to ---- by init stringa|2048_mean 2974 ns 2974 ns 4 +replace bb to ---- by init stringa|2048_median 2987 ns 2987 ns 4 +replace bb to ---- by init stringa|2048_stddev 30.1 ns 30.1 ns 4 +replace bb to ---- by init stringa|2048_cv 1.01 % 1.01 % 4 ----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to -- in std::string|64_mean 120 ns 120 ns 4 -replace bb to -- in std::string|64_median 119 ns 119 ns 4 -replace bb to -- in std::string|64_stddev 7.11 ns 7.11 ns 4 -replace bb to -- in std::string|64_cv 5.91 % 5.91 % 4 -replace bb to -- in std::string|256_mean 404 ns 404 ns 4 -replace bb to -- in std::string|256_median 403 ns 403 ns 4 -replace bb to -- in std::string|256_stddev 11.8 ns 11.8 ns 4 -replace bb to -- in std::string|256_cv 2.91 % 2.91 % 4 -replace bb to -- in std::string|512_mean 761 ns 761 ns 4 -replace bb to -- in std::string|512_median 761 ns 761 ns 4 -replace bb to -- in std::string|512_stddev 7.59 ns 7.59 ns 4 -replace bb to -- in std::string|512_cv 1.00 % 1.00 % 4 -replace bb to -- in std::string|1024_mean 1606 ns 1606 ns 4 -replace bb to -- in std::string|1024_median 1588 ns 1588 ns 4 -replace bb to -- in std::string|1024_stddev 50.1 ns 50.1 ns 4 -replace bb to -- in std::string|1024_cv 3.12 % 3.12 % 4 -replace bb to -- in std::string|2048_mean 3280 ns 3280 ns 4 -replace bb to -- in std::string|2048_median 3170 ns 3170 ns 4 -replace bb to -- in std::string|2048_stddev 360 ns 360 ns 4 -replace bb to -- in std::string|2048_cv 10.99 % 10.99 % 4 -replace bb to -- in lstringa<8>|64_mean 104 ns 104 ns 4 -replace bb to -- in lstringa<8>|64_median 105 ns 105 ns 4 -replace bb to -- in lstringa<8>|64_stddev 2.19 ns 2.19 ns 4 -replace bb to -- in lstringa<8>|64_cv 2.10 % 2.10 % 4 -replace bb to -- in lstringa<8>|256_mean 312 ns 312 ns 4 -replace bb to -- in lstringa<8>|256_median 312 ns 312 ns 4 -replace bb to -- in lstringa<8>|256_stddev 4.57 ns 4.57 ns 4 -replace bb to -- in lstringa<8>|256_cv 1.46 % 1.46 % 4 -replace bb to -- in lstringa<8>|512_mean 591 ns 591 ns 4 -replace bb to -- in lstringa<8>|512_median 590 ns 590 ns 4 -replace bb to -- in lstringa<8>|512_stddev 13.8 ns 13.8 ns 4 -replace bb to -- in lstringa<8>|512_cv 2.33 % 2.33 % 4 -replace bb to -- in lstringa<8>|1024_mean 1139 ns 1139 ns 4 -replace bb to -- in lstringa<8>|1024_median 1142 ns 1142 ns 4 -replace bb to -- in lstringa<8>|1024_stddev 54.0 ns 54.0 ns 4 -replace bb to -- in lstringa<8>|1024_cv 4.75 % 4.75 % 4 -replace bb to -- in lstringa<8>|2048_mean 2679 ns 2679 ns 4 -replace bb to -- in lstringa<8>|2048_median 2623 ns 2623 ns 4 -replace bb to -- in lstringa<8>|2048_stddev 185 ns 185 ns 4 -replace bb to -- in lstringa<8>|2048_cv 6.92 % 6.92 % 4 -replace bb to -- by init stringa|64_mean 91.0 ns 91.0 ns 4 -replace bb to -- by init stringa|64_median 88.0 ns 88.0 ns 4 -replace bb to -- by init stringa|64_stddev 7.52 ns 7.52 ns 4 -replace bb to -- by init stringa|64_cv 8.26 % 8.26 % 4 -replace bb to -- by init stringa|256_mean 242 ns 242 ns 4 +replace bb to -- in std::string|64_mean 122 ns 122 ns 4 +replace bb to -- in std::string|64_median 123 ns 123 ns 4 +replace bb to -- in std::string|64_stddev 2.46 ns 2.46 ns 4 +replace bb to -- in std::string|64_cv 2.01 % 2.01 % 4 +replace bb to -- in std::string|256_mean 403 ns 403 ns 4 +replace bb to -- in std::string|256_median 394 ns 394 ns 4 +replace bb to -- in std::string|256_stddev 26.1 ns 26.1 ns 4 +replace bb to -- in std::string|256_cv 6.48 % 6.48 % 4 +replace bb to -- in std::string|512_mean 759 ns 759 ns 4 +replace bb to -- in std::string|512_median 765 ns 765 ns 4 +replace bb to -- in std::string|512_stddev 18.8 ns 18.8 ns 4 +replace bb to -- in std::string|512_cv 2.47 % 2.47 % 4 +replace bb to -- in std::string|1024_mean 1521 ns 1521 ns 4 +replace bb to -- in std::string|1024_median 1486 ns 1486 ns 4 +replace bb to -- in std::string|1024_stddev 91.7 ns 91.7 ns 4 +replace bb to -- in std::string|1024_cv 6.03 % 6.03 % 4 +replace bb to -- in std::string|2048_mean 3014 ns 3014 ns 4 +replace bb to -- in std::string|2048_median 2974 ns 2974 ns 4 +replace bb to -- in std::string|2048_stddev 213 ns 213 ns 4 +replace bb to -- in std::string|2048_cv 7.07 % 7.07 % 4 +replace bb to -- in lstringa<8>|64_mean 97.8 ns 97.8 ns 4 +replace bb to -- in lstringa<8>|64_median 97.5 ns 97.5 ns 4 +replace bb to -- in lstringa<8>|64_stddev 0.990 ns 0.990 ns 4 +replace bb to -- in lstringa<8>|64_cv 1.01 % 1.01 % 4 +replace bb to -- in lstringa<8>|256_mean 284 ns 284 ns 4 +replace bb to -- in lstringa<8>|256_median 282 ns 282 ns 4 +replace bb to -- in lstringa<8>|256_stddev 5.33 ns 5.33 ns 4 +replace bb to -- in lstringa<8>|256_cv 1.87 % 1.87 % 4 +replace bb to -- in lstringa<8>|512_mean 526 ns 526 ns 4 +replace bb to -- in lstringa<8>|512_median 526 ns 526 ns 4 +replace bb to -- in lstringa<8>|512_stddev 8.20 ns 8.20 ns 4 +replace bb to -- in lstringa<8>|512_cv 1.56 % 1.56 % 4 +replace bb to -- in lstringa<8>|1024_mean 1125 ns 1125 ns 4 +replace bb to -- in lstringa<8>|1024_median 1125 ns 1125 ns 4 +replace bb to -- in lstringa<8>|1024_stddev 18.4 ns 18.4 ns 4 +replace bb to -- in lstringa<8>|1024_cv 1.63 % 1.63 % 4 +replace bb to -- in lstringa<8>|2048_mean 2182 ns 2182 ns 4 +replace bb to -- in lstringa<8>|2048_median 2173 ns 2173 ns 4 +replace bb to -- in lstringa<8>|2048_stddev 215 ns 215 ns 4 +replace bb to -- in lstringa<8>|2048_cv 9.83 % 9.83 % 4 +replace bb to -- by init stringa|64_mean 89.7 ns 89.7 ns 4 +replace bb to -- by init stringa|64_median 86.0 ns 86.0 ns 4 +replace bb to -- by init stringa|64_stddev 9.16 ns 9.16 ns 4 +replace bb to -- by init stringa|64_cv 10.21 % 10.21 % 4 +replace bb to -- by init stringa|256_mean 238 ns 238 ns 4 replace bb to -- by init stringa|256_median 237 ns 237 ns 4 -replace bb to -- by init stringa|256_stddev 10.3 ns 10.3 ns 4 -replace bb to -- by init stringa|256_cv 4.25 % 4.25 % 4 -replace bb to -- by init stringa|512_mean 431 ns 431 ns 4 -replace bb to -- by init stringa|512_median 431 ns 431 ns 4 -replace bb to -- by init stringa|512_stddev 6.57 ns 6.57 ns 4 -replace bb to -- by init stringa|512_cv 1.52 % 1.52 % 4 -replace bb to -- by init stringa|1024_mean 914 ns 914 ns 4 -replace bb to -- by init stringa|1024_median 922 ns 922 ns 4 -replace bb to -- by init stringa|1024_stddev 26.2 ns 26.2 ns 4 -replace bb to -- by init stringa|1024_cv 2.87 % 2.87 % 4 -replace bb to -- by init stringa|2048_mean 1647 ns 1647 ns 4 -replace bb to -- by init stringa|2048_median 1640 ns 1640 ns 4 -replace bb to -- by init stringa|2048_stddev 14.5 ns 14.5 ns 4 -replace bb to -- by init stringa|2048_cv 0.88 % 0.88 % 4 +replace bb to -- by init stringa|256_stddev 6.85 ns 6.85 ns 4 +replace bb to -- by init stringa|256_cv 2.89 % 2.89 % 4 +replace bb to -- by init stringa|512_mean 436 ns 436 ns 4 +replace bb to -- by init stringa|512_median 435 ns 435 ns 4 +replace bb to -- by init stringa|512_stddev 11.6 ns 11.6 ns 4 +replace bb to -- by init stringa|512_cv 2.66 % 2.66 % 4 +replace bb to -- by init stringa|1024_mean 853 ns 853 ns 4 +replace bb to -- by init stringa|1024_median 855 ns 855 ns 4 +replace bb to -- by init stringa|1024_stddev 8.52 ns 8.52 ns 4 +replace bb to -- by init stringa|1024_cv 1.00 % 1.00 % 4 +replace bb to -- by init stringa|2048_mean 1625 ns 1625 ns 4 +replace bb to -- by init stringa|2048_median 1622 ns 1622 ns 4 +replace bb to -- by init stringa|2048_stddev 27.9 ns 27.9 ns 4 +replace bb to -- by init stringa|2048_cv 1.72 % 1.72 % 4 ----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -hashStrMapA emplace & find stringa;_mean 3546428 ns 3546439 ns 4 -hashStrMapA emplace & find stringa;_median 3546580 ns 3546589 ns 4 -hashStrMapA emplace & find stringa;_stddev 43528 ns 43526 ns 4 -hashStrMapA emplace & find stringa;_cv 1.23 % 1.23 % 4 -std::unordered_map emplace & find std::string;_mean 3486975 ns 3486985 ns 4 -std::unordered_map emplace & find std::string;_median 3486065 ns 3486073 ns 4 -std::unordered_map emplace & find std::string;_stddev 24031 ns 24029 ns 4 -std::unordered_map emplace & find std::string;_cv 0.69 % 0.69 % 4 -hashStrMapA emplace & find ssa;_mean 3592544 ns 3592555 ns 4 -hashStrMapA emplace & find ssa;_median 3606299 ns 3606309 ns 4 -hashStrMapA emplace & find ssa;_stddev 69390 ns 69388 ns 4 -hashStrMapA emplace & find ssa;_cv 1.93 % 1.93 % 4 -std::unordered_map emplace & find std::string_view;_mean 3988653 ns 3988647 ns 4 -std::unordered_map emplace & find std::string_view;_median 3992327 ns 3992299 ns 4 -std::unordered_map emplace & find std::string_view;_stddev 57485 ns 57473 ns 4 -std::unordered_map emplace & find std::string_view;_cv 1.44 % 1.44 % 4 +hashStrMapA emplace & find stringa;_mean 3560953 ns 3560963 ns 4 +hashStrMapA emplace & find stringa;_median 3558506 ns 3558516 ns 4 +hashStrMapA emplace & find stringa;_stddev 34250 ns 34251 ns 4 +hashStrMapA emplace & find stringa;_cv 0.96 % 0.96 % 4 +std::unordered_map emplace & find std::string;_mean 3521968 ns 3521978 ns 4 +std::unordered_map emplace & find std::string;_median 3521321 ns 3521331 ns 4 +std::unordered_map emplace & find std::string;_stddev 124468 ns 124468 ns 4 +std::unordered_map emplace & find std::string;_cv 3.53 % 3.53 % 4 +hashStrMapA emplace & find ssa;_mean 3547635 ns 3547646 ns 4 +hashStrMapA emplace & find ssa;_median 3552663 ns 3552673 ns 4 +hashStrMapA emplace & find ssa;_stddev 56011 ns 56012 ns 4 +hashStrMapA emplace & find ssa;_cv 1.58 % 1.58 % 4 +std::unordered_map emplace & find std::string_view;_mean 4113520 ns 4113532 ns 4 +std::unordered_map emplace & find std::string_view;_median 4037073 ns 4037087 ns 4 +std::unordered_map emplace & find std::string_view;_stddev 185659 ns 185657 ns 4 +std::unordered_map emplace & find std::string_view;_cv 4.51 % 4.51 % 4 ----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Build func full name std::string;_mean 697 ns 697 ns 4 -Build func full name std::string;_median 693 ns 693 ns 4 -Build func full name std::string;_stddev 11.6 ns 11.6 ns 4 -Build func full name std::string;_cv 1.66 % 1.66 % 4 -Build func full name std::string 1;_mean 803 ns 803 ns 4 -Build func full name std::string 1;_median 807 ns 807 ns 4 -Build func full name std::string 1;_stddev 17.5 ns 17.5 ns 4 -Build func full name std::string 1;_cv 2.18 % 2.18 % 4 -Build func full name std::stream;_mean 2540 ns 2540 ns 4 -Build func full name std::stream;_median 2513 ns 2513 ns 4 -Build func full name std::stream;_stddev 72.6 ns 72.5 ns 4 -Build func full name std::stream;_cv 2.86 % 2.86 % 4 -Build func full name stringa;_mean 507 ns 507 ns 4 -Build func full name stringa;_median 506 ns 506 ns 4 -Build func full name stringa;_stddev 27.8 ns 27.8 ns 4 -Build func full name stringa;_cv 5.48 % 5.48 % 4 -Build func full name stringa 1;_mean 655 ns 655 ns 4 -Build func full name stringa 1;_median 657 ns 657 ns 4 -Build func full name stringa 1;_stddev 8.18 ns 8.18 ns 4 -Build func full name stringa 1;_cv 1.25 % 1.25 % 4 +Build func full name std::string;_mean 714 ns 714 ns 4 +Build func full name std::string;_median 714 ns 714 ns 4 +Build func full name std::string;_stddev 6.84 ns 6.84 ns 4 +Build func full name std::string;_cv 0.96 % 0.96 % 4 +Build func full name std::string 1;_mean 821 ns 821 ns 4 +Build func full name std::string 1;_median 821 ns 821 ns 4 +Build func full name std::string 1;_stddev 4.59 ns 4.59 ns 4 +Build func full name std::string 1;_cv 0.56 % 0.56 % 4 +Build func full name std::stream;_mean 2538 ns 2538 ns 4 +Build func full name std::stream;_median 2554 ns 2554 ns 4 +Build func full name std::stream;_stddev 41.6 ns 41.6 ns 4 +Build func full name std::stream;_cv 1.64 % 1.64 % 4 +Build func full name stringa;_mean 510 ns 510 ns 4 +Build func full name stringa;_median 507 ns 507 ns 4 +Build func full name stringa;_stddev 16.1 ns 16.1 ns 4 +Build func full name stringa;_cv 3.16 % 3.16 % 4 +Build func full name stringa 1;_mean 640 ns 640 ns 4 +Build func full name stringa 1;_median 635 ns 635 ns 4 +Build func full name stringa 1;_stddev 11.7 ns 11.7 ns 4 +Build func full name stringa 1;_cv 1.82 % 1.82 % 4 diff --git a/bench/results/001-Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13.txt b/bench/results/001-Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13.txt index 24eebc9..26a17c3 100644 --- a/bench/results/001-Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13.txt +++ b/bench/results/001-Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13.txt @@ -1,8 +1,8 @@ -Benchmarks of simstr, version 1.6.3 +Benchmarks of simstr, version 1.6.4 Sources: https://github.com/orefkov/simstr Results: https://orefkov.github.io/simstr/results.html -2026-02-03T17:15:10+03:00 +2026-02-04T16:14:00+03:00 Running ./benchStr Run on (32 X 2494.22 MHz CPU s) CPU Caches: @@ -10,914 +10,922 @@ CPU Caches: L1 Instruction 32 KiB (x16) L2 Unified 256 KiB (x16) L3 Unified 40960 KiB (x1) -Load Average: 0.24, 0.68, 0.48 +Load Average: 0.00, 0.00, 0.00 ***WARNING*** ASLR is enabled, the results may have unreproducible noise in them. -------------------------------------------------------------------------------------------------------------------------------------------------------- Benchmark Time CPU Iterations -------------------------------------------------------------------------------------------------------------------------------------------------------- ----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string and number by std to std::string_mean 211 ns 211 ns 4 -Concat std::string and number by std to std::string_median 211 ns 211 ns 4 -Concat std::string and number by std to std::string_stddev 5.41 ns 5.41 ns 4 -Concat std::string and number by std to std::string_cv 2.56 % 2.56 % 4 -Concat std::string and number by StrExpr to std::string_mean 111 ns 111 ns 4 -Concat std::string and number by StrExpr to std::string_median 110 ns 110 ns 4 -Concat std::string and number by StrExpr to std::string_stddev 5.87 ns 5.87 ns 4 -Concat std::string and number by StrExpr to std::string_cv 5.29 % 5.29 % 4 -Concat stringa and number by StrExpr to simstr::stringa_mean 72.6 ns 72.6 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_median 72.8 ns 72.8 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_stddev 0.961 ns 0.961 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_cv 1.33 % 1.33 % 4 +Concat std::string and number by std to std::string_mean 201 ns 201 ns 4 +Concat std::string and number by std to std::string_median 199 ns 199 ns 4 +Concat std::string and number by std to std::string_stddev 7.26 ns 7.26 ns 4 +Concat std::string and number by std to std::string_cv 3.62 % 3.62 % 4 +Concat std::string and number by StrExpr to std::string_mean 100 ns 100 ns 4 +Concat std::string and number by StrExpr to std::string_median 94.2 ns 94.2 ns 4 +Concat std::string and number by StrExpr to std::string_stddev 13.1 ns 13.1 ns 4 +Concat std::string and number by StrExpr to std::string_cv 13.10 % 13.10 % 4 +Concat stringa and number by StrExpr to simstr::stringa_mean 77.9 ns 77.9 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_median 78.3 ns 78.3 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_stddev 6.99 ns 6.99 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_cv 8.97 % 8.97 % 4 Concat stringa and number by e_concat to simstr::stringa_mean 79.0 ns 79.0 ns 4 -Concat stringa and number by e_concat to simstr::stringa_median 78.6 ns 78.6 ns 4 -Concat stringa and number by e_concat to simstr::stringa_stddev 2.56 ns 2.56 ns 4 -Concat stringa and number by e_concat to simstr::stringa_cv 3.24 % 3.24 % 4 +Concat stringa and number by e_concat to simstr::stringa_median 75.8 ns 75.8 ns 4 +Concat stringa and number by e_concat to simstr::stringa_stddev 6.87 ns 6.87 ns 4 +Concat stringa and number by e_concat to simstr::stringa_cv 8.70 % 8.70 % 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 653 ns 653 ns 4 -Concat std::string and format hex number and literal to std::string_median 643 ns 643 ns 4 -Concat std::string and format hex number and literal to std::string_stddev 33.4 ns 33.4 ns 4 -Concat std::string and format hex number and literal to std::string_cv 5.12 % 5.12 % 4 -std::format std::string and hex number by literal to std::string_mean 960 ns 960 ns 4 -std::format std::string and hex number by literal to std::string_median 952 ns 952 ns 4 -std::format std::string and hex number by literal to std::string_stddev 34.6 ns 34.6 ns 4 -std::format std::string and hex number by literal to std::string_cv 3.60 % 3.60 % 4 -Concat std::string and std::to_chars and string to std::string_mean 197 ns 197 ns 4 -Concat std::string and std::to_chars and string to std::string_median 196 ns 196 ns 4 -Concat std::string and std::to_chars and string to std::string_stddev 4.79 ns 4.79 ns 4 -Concat std::string and std::to_chars and string to std::string_cv 2.43 % 2.43 % 4 -Concat std::string and hex number and literal by StrExpr to std::string_mean 127 ns 127 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 2.52 ns 2.52 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_cv 1.99 % 1.99 % 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 124 ns 124 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 123 ns 123 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 3.73 ns 3.73 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 3.02 % 3.02 % 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 134 ns 134 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_median 132 ns 132 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 5.89 ns 5.89 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 4.39 % 4.39 % 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_mean 173 ns 173 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_median 176 ns 176 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 8.74 ns 8.74 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_cv 5.04 % 5.04 % 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 284 ns 284 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 282 ns 282 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 8.50 ns 8.50 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 2.99 % 2.99 % 4 +Concat std::string and format hex number and literal to std::string_mean 691 ns 691 ns 4 +Concat std::string and format hex number and literal to std::string_median 676 ns 676 ns 4 +Concat std::string and format hex number and literal to std::string_stddev 49.5 ns 49.5 ns 4 +Concat std::string and format hex number and literal to std::string_cv 7.16 % 7.16 % 4 +std::format std::string and hex number by literal to std::string_mean 995 ns 995 ns 4 +std::format std::string and hex number by literal to std::string_median 964 ns 964 ns 4 +std::format std::string and hex number by literal to std::string_stddev 130 ns 130 ns 4 +std::format std::string and hex number by literal to std::string_cv 13.08 % 13.08 % 4 +Concat std::string and std::to_chars and string to std::string_mean 175 ns 175 ns 4 +Concat std::string and std::to_chars and string to std::string_median 176 ns 176 ns 4 +Concat std::string and std::to_chars and string to std::string_stddev 3.22 ns 3.22 ns 4 +Concat std::string and std::to_chars and string to std::string_cv 1.84 % 1.84 % 4 +Concat std::string and hex number and literal by StrExpr to std::string_mean 126 ns 126 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_median 124 ns 124 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_stddev 5.99 ns 5.99 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_cv 4.75 % 4.75 % 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 119 ns 119 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 120 ns 120 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 1.61 ns 1.61 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 1.35 % 1.35 % 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 131 ns 131 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_median 126 ns 126 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 10.1 ns 10.1 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 7.71 % 7.71 % 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_mean 164 ns 164 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_median 164 ns 164 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 2.00 ns 2.00 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_cv 1.22 % 1.22 % 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 277 ns 277 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 274 ns 274 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 10.4 ns 10.4 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 3.75 % 3.75 % 4 ----- format/vformat and subst/vsubst octal number ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_mean 145 ns 145 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_median 146 ns 146 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_stddev 6.56 ns 6.56 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_cv 4.53 % 4.53 % 4 -std::format("art {:#010o} end", i)_mean 1261 ns 1261 ns 4 -std::format("art {:#010o} end", i)_median 1253 ns 1253 ns 4 -std::format("art {:#010o} end", i)_stddev 88.7 ns 88.7 ns 4 -std::format("art {:#010o} end", i)_cv 7.04 % 7.04 % 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_mean 341 ns 341 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_median 340 ns 340 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_stddev 4.03 ns 4.03 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_cv 1.18 % 1.18 % 4 -std::vformat(pattern, std::make_format_args(i))_mean 1132 ns 1132 ns 4 -std::vformat(pattern, std::make_format_args(i))_median 1095 ns 1095 ns 4 -std::vformat(pattern, std::make_format_args(i))_stddev 91.3 ns 91.3 ns 4 -std::vformat(pattern, std::make_format_args(i))_cv 8.07 % 8.07 % 4 +"art "_ss + i / 0x8a010_fmt + " end"_mean 96.6 ns 96.6 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_median 96.2 ns 96.2 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_stddev 7.79 ns 7.79 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_cv 8.06 % 8.06 % 4 +e_subst("art {} end", i / 0x8a010_fmt)_mean 145 ns 145 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_median 145 ns 145 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_stddev 8.28 ns 8.28 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_cv 5.73 % 5.73 % 4 +e_vsubst(pattern, i / 0x8a010_fmt)_mean 327 ns 327 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_median 327 ns 327 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_stddev 17.8 ns 17.8 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_cv 5.43 % 5.43 % 4 +std::format("art {:#010o} end", i)_mean 1204 ns 1204 ns 4 +std::format("art {:#010o} end", i)_median 1211 ns 1211 ns 4 +std::format("art {:#010o} end", i)_stddev 29.0 ns 29.0 ns 4 +std::format("art {:#010o} end", i)_cv 2.41 % 2.41 % 4 +std::vformat(pattern, std::make_format_args(i))_mean 1091 ns 1091 ns 4 +std::vformat(pattern, std::make_format_args(i))_median 1104 ns 1104 ns 4 +std::vformat(pattern, std::make_format_args(i))_stddev 27.5 ns 27.5 ns 4 +std::vformat(pattern, std::make_format_args(i))_cv 2.52 % 2.52 % 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 2084 ns 2084 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 2079 ns 2079 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 58.5 ns 58.5 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 2.81 % 2.81 % 4 ----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string by std to std::string_mean 52.0 ns 52.0 ns 4 -Concat std::string by std to std::string_median 51.1 ns 51.1 ns 4 -Concat std::string by std to std::string_stddev 3.18 ns 3.18 ns 4 -Concat std::string by std to std::string_cv 6.11 % 6.11 % 4 -Concat std::string by StrExpr to std::string_mean 35.8 ns 35.8 ns 4 -Concat std::string by StrExpr to std::string_median 35.8 ns 35.8 ns 4 -Concat std::string by StrExpr to std::string_stddev 0.676 ns 0.676 ns 4 -Concat std::string by StrExpr to std::string_cv 1.89 % 1.89 % 4 -Concat stringa by StrExpr to stringa_mean 27.7 ns 27.7 ns 4 -Concat stringa by StrExpr to stringa_median 27.8 ns 27.8 ns 4 -Concat stringa by StrExpr to stringa_stddev 0.709 ns 0.709 ns 4 -Concat stringa by StrExpr to stringa_cv 2.56 % 2.56 % 4 +Concat std::string by std to std::string_mean 43.5 ns 43.5 ns 4 +Concat std::string by std to std::string_median 43.5 ns 43.5 ns 4 +Concat std::string by std to std::string_stddev 0.763 ns 0.763 ns 4 +Concat std::string by std to std::string_cv 1.76 % 1.76 % 4 +Concat std::string by StrExpr to std::string_mean 29.4 ns 29.4 ns 4 +Concat std::string by StrExpr to std::string_median 29.5 ns 29.5 ns 4 +Concat std::string by StrExpr to std::string_stddev 0.740 ns 0.740 ns 4 +Concat std::string by StrExpr to std::string_cv 2.52 % 2.52 % 4 +Concat stringa by StrExpr to stringa_mean 33.0 ns 33.0 ns 4 +Concat stringa by StrExpr to stringa_median 33.9 ns 33.9 ns 4 +Concat stringa by StrExpr to stringa_stddev 3.22 ns 3.22 ns 4 +Concat stringa by StrExpr to stringa_cv 9.75 % 9.75 % 4 ----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Find concat three std::string_mean 129 ns 129 ns 4 -Find concat three std::string_median 129 ns 129 ns 4 -Find concat three std::string_stddev 4.04 ns 4.04 ns 4 -Find concat three std::string_cv 3.12 % 3.12 % 4 -Find concat three strexpr_mean 54.9 ns 54.9 ns 4 -Find concat three strexpr_median 54.6 ns 54.6 ns 4 -Find concat three strexpr_stddev 0.979 ns 0.979 ns 4 -Find concat three strexpr_cv 1.78 % 1.78 % 4 -Find concat three simstr_mean 33.1 ns 33.1 ns 4 -Find concat three simstr_median 33.3 ns 33.3 ns 4 -Find concat three simstr_stddev 0.512 ns 0.512 ns 4 -Find concat three simstr_cv 1.55 % 1.55 % 4 +Find concat three std::string_mean 194 ns 194 ns 4 +Find concat three std::string_median 191 ns 191 ns 4 +Find concat three std::string_stddev 19.8 ns 19.8 ns 4 +Find concat three std::string_cv 10.22 % 10.22 % 4 +Find concat three strexpr_mean 69.7 ns 69.7 ns 4 +Find concat three strexpr_median 69.0 ns 69.0 ns 4 +Find concat three strexpr_stddev 2.66 ns 2.66 ns 4 +Find concat three strexpr_cv 3.81 % 3.81 % 4 +Find concat three simstr_mean 44.2 ns 44.2 ns 4 +Find concat three simstr_median 44.2 ns 44.2 ns 4 +Find concat three simstr_stddev 0.637 ns 0.637 ns 4 +Find concat three simstr_cv 1.44 % 1.44 % 4 ----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -BuildTypeNameStr 0/0_mean 10.2 ns 10.2 ns 4 +BuildTypeNameStr 0/0_mean 10.3 ns 10.3 ns 4 BuildTypeNameStr 0/0_median 10.3 ns 10.3 ns 4 -BuildTypeNameStr 0/0_stddev 0.148 ns 0.148 ns 4 -BuildTypeNameStr 0/0_cv 1.44 % 1.44 % 4 -BuildTypeNameExp 0/0_mean 6.44 ns 6.44 ns 4 -BuildTypeNameExp 0/0_median 6.44 ns 6.44 ns 4 -BuildTypeNameExp 0/0_stddev 0.052 ns 0.052 ns 4 -BuildTypeNameExp 0/0_cv 0.81 % 0.81 % 4 -BuildTypeNameSim 0/0_mean 5.14 ns 5.14 ns 4 -BuildTypeNameSim 0/0_median 5.13 ns 5.13 ns 4 -BuildTypeNameSim 0/0_stddev 0.095 ns 0.095 ns 4 -BuildTypeNameSim 0/0_cv 1.86 % 1.86 % 4 -BuildTypeNameStr 10/10_mean 85.1 ns 85.1 ns 4 -BuildTypeNameStr 10/10_median 84.0 ns 84.0 ns 4 -BuildTypeNameStr 10/10_stddev 3.42 ns 3.42 ns 4 -BuildTypeNameStr 10/10_cv 4.02 % 4.02 % 4 -BuildTypeNameExp 10/10_mean 26.5 ns 26.5 ns 4 -BuildTypeNameExp 10/10_median 26.6 ns 26.6 ns 4 -BuildTypeNameExp 10/10_stddev 0.336 ns 0.336 ns 4 -BuildTypeNameExp 10/10_cv 1.27 % 1.27 % 4 -BuildTypeNameSim 10/10_mean 22.4 ns 22.4 ns 4 -BuildTypeNameSim 10/10_median 22.4 ns 22.4 ns 4 -BuildTypeNameSim 10/10_stddev 0.549 ns 0.549 ns 4 -BuildTypeNameSim 10/10_cv 2.46 % 2.46 % 4 +BuildTypeNameStr 0/0_stddev 0.209 ns 0.209 ns 4 +BuildTypeNameStr 0/0_cv 2.03 % 2.03 % 4 +BuildTypeNameExp 0/0_mean 6.71 ns 6.71 ns 4 +BuildTypeNameExp 0/0_median 6.71 ns 6.71 ns 4 +BuildTypeNameExp 0/0_stddev 0.028 ns 0.028 ns 4 +BuildTypeNameExp 0/0_cv 0.41 % 0.41 % 4 +BuildTypeNameSim 0/0_mean 5.47 ns 5.47 ns 4 +BuildTypeNameSim 0/0_median 5.44 ns 5.44 ns 4 +BuildTypeNameSim 0/0_stddev 0.483 ns 0.483 ns 4 +BuildTypeNameSim 0/0_cv 8.83 % 8.83 % 4 +BuildTypeNameStr 10/10_mean 83.0 ns 83.0 ns 4 +BuildTypeNameStr 10/10_median 83.1 ns 83.1 ns 4 +BuildTypeNameStr 10/10_stddev 0.474 ns 0.474 ns 4 +BuildTypeNameStr 10/10_cv 0.57 % 0.57 % 4 +BuildTypeNameExp 10/10_mean 24.5 ns 24.5 ns 4 +BuildTypeNameExp 10/10_median 24.4 ns 24.4 ns 4 +BuildTypeNameExp 10/10_stddev 0.431 ns 0.431 ns 4 +BuildTypeNameExp 10/10_cv 1.76 % 1.76 % 4 +BuildTypeNameSim 10/10_mean 25.3 ns 25.3 ns 4 +BuildTypeNameSim 10/10_median 25.3 ns 25.3 ns 4 +BuildTypeNameSim 10/10_stddev 0.570 ns 0.570 ns 4 +BuildTypeNameSim 10/10_cv 2.25 % 2.25 % 4 ----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat with replace str_mean 228 ns 228 ns 4 -Concat with replace str_median 228 ns 228 ns 4 -Concat with replace str_stddev 3.16 ns 3.16 ns 4 -Concat with replace str_cv 1.39 % 1.39 % 4 -Concat with replace exp_mean 133 ns 133 ns 4 -Concat with replace exp_median 135 ns 135 ns 4 -Concat with replace exp_stddev 4.33 ns 4.33 ns 4 -Concat with replace exp_cv 3.25 % 3.25 % 4 +Concat with replace str_mean 403 ns 403 ns 4 +Concat with replace str_median 395 ns 395 ns 4 +Concat with replace str_stddev 35.8 ns 35.8 ns 4 +Concat with replace str_cv 8.88 % 8.88 % 4 +Concat with replace exp_mean 175 ns 175 ns 4 +Concat with replace exp_median 174 ns 174 ns 4 +Concat with replace exp_stddev 6.82 ns 6.82 ns 4 +Concat with replace exp_cv 3.89 % 3.89 % 4 ----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e;_mean 1.11 ns 1.11 ns 4 -std::string e;_median 1.12 ns 1.12 ns 4 -std::string e;_stddev 0.025 ns 0.025 ns 4 -std::string e;_cv 2.21 % 2.21 % 4 -std::string_view e;_mean 0.733 ns 0.733 ns 4 -std::string_view e;_median 0.733 ns 0.733 ns 4 -std::string_view e;_stddev 0.012 ns 0.012 ns 4 -std::string_view e;_cv 1.58 % 1.58 % 4 -ssa e;_mean 0.182 ns 0.182 ns 4 -ssa e;_median 0.182 ns 0.182 ns 4 -ssa e;_stddev 0.003 ns 0.003 ns 4 -ssa e;_cv 1.59 % 1.59 % 4 -stringa e;_mean 0.738 ns 0.738 ns 4 -stringa e;_median 0.734 ns 0.734 ns 4 -stringa e;_stddev 0.009 ns 0.009 ns 4 -stringa e;_cv 1.16 % 1.16 % 4 -lstringa<20> e;_mean 1.12 ns 1.12 ns 4 -lstringa<20> e;_median 1.12 ns 1.12 ns 4 -lstringa<20> e;_stddev 0.004 ns 0.004 ns 4 -lstringa<20> e;_cv 0.33 % 0.33 % 4 -lstringa<40> e;_mean 1.12 ns 1.12 ns 4 -lstringa<40> e;_median 1.13 ns 1.13 ns 4 -lstringa<40> e;_stddev 0.016 ns 0.016 ns 4 -lstringa<40> e;_cv 1.44 % 1.44 % 4 +std::string e;_mean 1.10 ns 1.10 ns 4 +std::string e;_median 1.10 ns 1.10 ns 4 +std::string e;_stddev 0.011 ns 0.011 ns 4 +std::string e;_cv 1.01 % 1.01 % 4 +std::string_view e;_mean 0.748 ns 0.748 ns 4 +std::string_view e;_median 0.747 ns 0.747 ns 4 +std::string_view e;_stddev 0.026 ns 0.026 ns 4 +std::string_view e;_cv 3.50 % 3.50 % 4 +ssa e;_mean 0.180 ns 0.180 ns 4 +ssa e;_median 0.179 ns 0.179 ns 4 +ssa e;_stddev 0.001 ns 0.001 ns 4 +ssa e;_cv 0.49 % 0.49 % 4 +stringa e;_mean 0.744 ns 0.744 ns 4 +stringa e;_median 0.741 ns 0.741 ns 4 +stringa e;_stddev 0.013 ns 0.013 ns 4 +stringa e;_cv 1.71 % 1.71 % 4 +lstringa<20> e;_mean 1.11 ns 1.11 ns 4 +lstringa<20> e;_median 1.11 ns 1.11 ns 4 +lstringa<20> e;_stddev 0.009 ns 0.009 ns 4 +lstringa<20> e;_cv 0.79 % 0.79 % 4 +lstringa<40> e;_mean 1.11 ns 1.11 ns 4 +lstringa<40> e;_median 1.11 ns 1.11 ns 4 +lstringa<40> e;_stddev 0.010 ns 0.010 ns 4 +lstringa<40> e;_cv 0.91 % 0.91 % 4 ----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "Test text";_mean 1.99 ns 1.99 ns 4 -std::string e = "Test text";_median 1.94 ns 1.94 ns 4 -std::string e = "Test text";_stddev 0.169 ns 0.169 ns 4 -std::string e = "Test text";_cv 8.49 % 8.49 % 4 -std::string_view e = "Test text";_mean 0.778 ns 0.778 ns 4 -std::string_view e = "Test text";_median 0.777 ns 0.777 ns 4 -std::string_view e = "Test text";_stddev 0.033 ns 0.033 ns 4 -std::string_view e = "Test text";_cv 4.24 % 4.24 % 4 -ssa e = "Test text";_mean 0.747 ns 0.747 ns 4 -ssa e = "Test text";_median 0.738 ns 0.738 ns 4 -ssa e = "Test text";_stddev 0.034 ns 0.034 ns 4 -ssa e = "Test text";_cv 4.53 % 4.53 % 4 -stringa e = "Test text";_mean 1.09 ns 1.09 ns 4 -stringa e = "Test text";_median 1.09 ns 1.09 ns 4 -stringa e = "Test text";_stddev 0.027 ns 0.027 ns 4 -stringa e = "Test text";_cv 2.49 % 2.49 % 4 -lstringa<20> e = "Test text";_mean 1.83 ns 1.83 ns 4 -lstringa<20> e = "Test text";_median 1.83 ns 1.83 ns 4 -lstringa<20> e = "Test text";_stddev 0.017 ns 0.017 ns 4 -lstringa<20> e = "Test text";_cv 0.90 % 0.90 % 4 +std::string e = "Test text";_mean 1.84 ns 1.84 ns 4 +std::string e = "Test text";_median 1.83 ns 1.83 ns 4 +std::string e = "Test text";_stddev 0.045 ns 0.045 ns 4 +std::string e = "Test text";_cv 2.45 % 2.45 % 4 +std::string_view e = "Test text";_mean 0.750 ns 0.750 ns 4 +std::string_view e = "Test text";_median 0.757 ns 0.757 ns 4 +std::string_view e = "Test text";_stddev 0.031 ns 0.031 ns 4 +std::string_view e = "Test text";_cv 4.12 % 4.12 % 4 +ssa e = "Test text";_mean 0.732 ns 0.732 ns 4 +ssa e = "Test text";_median 0.731 ns 0.731 ns 4 +ssa e = "Test text";_stddev 0.010 ns 0.010 ns 4 +ssa e = "Test text";_cv 1.36 % 1.36 % 4 +stringa e = "Test text";_mean 1.11 ns 1.11 ns 4 +stringa e = "Test text";_median 1.11 ns 1.11 ns 4 +stringa e = "Test text";_stddev 0.022 ns 0.022 ns 4 +stringa e = "Test text";_cv 2.00 % 2.00 % 4 +lstringa<20> e = "Test text";_mean 1.82 ns 1.82 ns 4 +lstringa<20> e = "Test text";_median 1.82 ns 1.82 ns 4 +lstringa<20> e = "Test text";_stddev 0.020 ns 0.020 ns 4 +lstringa<20> e = "Test text";_cv 1.10 % 1.10 % 4 lstringa<40> e = "Test text";_mean 1.84 ns 1.84 ns 4 -lstringa<40> e = "Test text";_median 1.84 ns 1.84 ns 4 -lstringa<40> e = "Test text";_stddev 0.011 ns 0.011 ns 4 -lstringa<40> e = "Test text";_cv 0.60 % 0.60 % 4 +lstringa<40> e = "Test text";_median 1.82 ns 1.82 ns 4 +lstringa<40> e = "Test text";_stddev 0.047 ns 0.047 ns 4 +lstringa<40> e = "Test text";_cv 2.57 % 2.57 % 4 ----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890";_mean 19.0 ns 19.0 ns 4 -std::string e = "123456789012345678901234567890";_median 19.0 ns 19.0 ns 4 -std::string e = "123456789012345678901234567890";_stddev 0.328 ns 0.328 ns 4 -std::string e = "123456789012345678901234567890";_cv 1.73 % 1.73 % 4 -std::string_view e = "123456789012345678901234567890";_mean 0.735 ns 0.735 ns 4 -std::string_view e = "123456789012345678901234567890";_median 0.739 ns 0.739 ns 4 -std::string_view e = "123456789012345678901234567890";_stddev 0.012 ns 0.012 ns 4 -std::string_view e = "123456789012345678901234567890";_cv 1.63 % 1.63 % 4 -ssa e = "123456789012345678901234567890";_mean 0.722 ns 0.722 ns 4 -ssa e = "123456789012345678901234567890";_median 0.722 ns 0.722 ns 4 -ssa e = "123456789012345678901234567890";_stddev 0.013 ns 0.013 ns 4 -ssa e = "123456789012345678901234567890";_cv 1.82 % 1.82 % 4 -stringa e = "123456789012345678901234567890";_mean 1.09 ns 1.09 ns 4 -stringa e = "123456789012345678901234567890";_median 1.09 ns 1.09 ns 4 -stringa e = "123456789012345678901234567890";_stddev 0.017 ns 0.017 ns 4 -stringa e = "123456789012345678901234567890";_cv 1.59 % 1.59 % 4 -lstringa<20> e = "123456789012345678901234567890";_mean 20.3 ns 20.3 ns 4 -lstringa<20> e = "123456789012345678901234567890";_median 20.3 ns 20.3 ns 4 -lstringa<20> e = "123456789012345678901234567890";_stddev 0.751 ns 0.751 ns 4 -lstringa<20> e = "123456789012345678901234567890";_cv 3.70 % 3.70 % 4 -lstringa<40> e = "123456789012345678901234567890";_mean 1.83 ns 1.83 ns 4 -lstringa<40> e = "123456789012345678901234567890";_median 1.83 ns 1.83 ns 4 -lstringa<40> e = "123456789012345678901234567890";_stddev 0.013 ns 0.013 ns 4 -lstringa<40> e = "123456789012345678901234567890";_cv 0.70 % 0.70 % 4 +std::string e = "123456789012345678901234567890";_mean 18.7 ns 18.7 ns 4 +std::string e = "123456789012345678901234567890";_median 18.7 ns 18.7 ns 4 +std::string e = "123456789012345678901234567890";_stddev 0.169 ns 0.169 ns 4 +std::string e = "123456789012345678901234567890";_cv 0.90 % 0.90 % 4 +std::string_view e = "123456789012345678901234567890";_mean 0.745 ns 0.745 ns 4 +std::string_view e = "123456789012345678901234567890";_median 0.743 ns 0.743 ns 4 +std::string_view e = "123456789012345678901234567890";_stddev 0.009 ns 0.009 ns 4 +std::string_view e = "123456789012345678901234567890";_cv 1.22 % 1.22 % 4 +ssa e = "123456789012345678901234567890";_mean 0.782 ns 0.782 ns 4 +ssa e = "123456789012345678901234567890";_median 0.773 ns 0.773 ns 4 +ssa e = "123456789012345678901234567890";_stddev 0.038 ns 0.038 ns 4 +ssa e = "123456789012345678901234567890";_cv 4.84 % 4.84 % 4 +stringa e = "123456789012345678901234567890";_mean 1.14 ns 1.14 ns 4 +stringa e = "123456789012345678901234567890";_median 1.13 ns 1.13 ns 4 +stringa e = "123456789012345678901234567890";_stddev 0.038 ns 0.038 ns 4 +stringa e = "123456789012345678901234567890";_cv 3.32 % 3.32 % 4 +lstringa<20> e = "123456789012345678901234567890";_mean 20.0 ns 20.0 ns 4 +lstringa<20> e = "123456789012345678901234567890";_median 19.9 ns 19.9 ns 4 +lstringa<20> e = "123456789012345678901234567890";_stddev 0.345 ns 0.345 ns 4 +lstringa<20> e = "123456789012345678901234567890";_cv 1.73 % 1.73 % 4 +lstringa<40> e = "123456789012345678901234567890";_mean 1.92 ns 1.92 ns 4 +lstringa<40> e = "123456789012345678901234567890";_median 1.89 ns 1.89 ns 4 +lstringa<40> e = "123456789012345678901234567890";_stddev 0.108 ns 0.108 ns 4 +lstringa<40> e = "123456789012345678901234567890";_cv 5.64 % 5.64 % 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 4.88 ns 4.88 ns 4 -std::string e = "Test text"; auto c{e};_median 4.86 ns 4.86 ns 4 -std::string e = "Test text"; auto c{e};_stddev 0.089 ns 0.089 ns 4 -std::string e = "Test text"; auto c{e};_cv 1.83 % 1.83 % 4 -std::string_view e = "Test text"; auto c{e};_mean 0.378 ns 0.378 ns 4 -std::string_view e = "Test text"; auto c{e};_median 0.376 ns 0.376 ns 4 -std::string_view e = "Test text"; auto c{e};_stddev 0.007 ns 0.007 ns 4 -std::string_view e = "Test text"; auto c{e};_cv 1.92 % 1.92 % 4 -ssa e = "Test text"; auto c{e};_mean 0.375 ns 0.375 ns 4 -ssa e = "Test text"; auto c{e};_median 0.371 ns 0.371 ns 4 -ssa e = "Test text"; auto c{e};_stddev 0.014 ns 0.014 ns 4 -ssa e = "Test text"; auto c{e};_cv 3.85 % 3.85 % 4 -stringa e = "Test text"; auto c{e};_mean 1.09 ns 1.09 ns 4 -stringa e = "Test text"; auto c{e};_median 1.09 ns 1.09 ns 4 -stringa e = "Test text"; auto c{e};_stddev 0.015 ns 0.015 ns 4 -stringa e = "Test text"; auto c{e};_cv 1.38 % 1.38 % 4 -lstringa<20> e = "Test text"; auto c{e};_mean 4.52 ns 4.52 ns 4 -lstringa<20> e = "Test text"; auto c{e};_median 4.53 ns 4.53 ns 4 -lstringa<20> e = "Test text"; auto c{e};_stddev 0.106 ns 0.106 ns 4 -lstringa<20> e = "Test text"; auto c{e};_cv 2.35 % 2.35 % 4 -lstringa<40> e = "Test text"; auto c{e};_mean 4.45 ns 4.45 ns 4 -lstringa<40> e = "Test text"; auto c{e};_median 4.44 ns 4.44 ns 4 -lstringa<40> e = "Test text"; auto c{e};_stddev 0.078 ns 0.078 ns 4 -lstringa<40> e = "Test text"; auto c{e};_cv 1.75 % 1.75 % 4 +std::string e = "Test text"; auto c{e};_mean 4.89 ns 4.89 ns 4 +std::string e = "Test text"; auto c{e};_median 4.90 ns 4.90 ns 4 +std::string e = "Test text"; auto c{e};_stddev 0.162 ns 0.162 ns 4 +std::string e = "Test text"; auto c{e};_cv 3.31 % 3.31 % 4 +std::string_view e = "Test text"; auto c{e};_mean 0.379 ns 0.379 ns 4 +std::string_view e = "Test text"; auto c{e};_median 0.373 ns 0.373 ns 4 +std::string_view e = "Test text"; auto c{e};_stddev 0.016 ns 0.016 ns 4 +std::string_view e = "Test text"; auto c{e};_cv 4.24 % 4.24 % 4 +ssa e = "Test text"; auto c{e};_mean 0.368 ns 0.368 ns 4 +ssa e = "Test text"; auto c{e};_median 0.369 ns 0.369 ns 4 +ssa e = "Test text"; auto c{e};_stddev 0.005 ns 0.005 ns 4 +ssa e = "Test text"; auto c{e};_cv 1.42 % 1.42 % 4 +stringa e = "Test text"; auto c{e};_mean 1.32 ns 1.32 ns 4 +stringa e = "Test text"; auto c{e};_median 1.32 ns 1.32 ns 4 +stringa e = "Test text"; auto c{e};_stddev 0.040 ns 0.040 ns 4 +stringa e = "Test text"; auto c{e};_cv 2.99 % 2.99 % 4 +lstringa<20> e = "Test text"; auto c{e};_mean 4.43 ns 4.43 ns 4 +lstringa<20> e = "Test text"; auto c{e};_median 4.44 ns 4.44 ns 4 +lstringa<20> e = "Test text"; auto c{e};_stddev 0.071 ns 0.071 ns 4 +lstringa<20> e = "Test text"; auto c{e};_cv 1.61 % 1.61 % 4 +lstringa<40> e = "Test text"; auto c{e};_mean 4.57 ns 4.57 ns 4 +lstringa<40> e = "Test text"; auto c{e};_median 4.55 ns 4.55 ns 4 +lstringa<40> e = "Test text"; auto c{e};_stddev 0.152 ns 0.152 ns 4 +lstringa<40> e = "Test text"; auto c{e};_cv 3.34 % 3.34 % 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 23.5 ns 23.5 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 0.231 ns 0.231 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_cv 0.98 % 0.98 % 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.738 ns 0.738 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.737 ns 0.737 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.017 ns 0.017 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 2.24 % 2.24 % 4 -ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.745 ns 0.745 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_median 0.746 ns 0.746 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.028 ns 0.028 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_cv 3.71 % 3.71 % 4 -stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.21 ns 1.21 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_median 1.21 ns 1.21 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.051 ns 0.051 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_cv 4.18 % 4.18 % 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 22.4 ns 22.4 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 22.7 ns 22.7 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 1.30 ns 1.30 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 5.79 % 5.79 % 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 5.09 ns 5.09 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 5.05 ns 5.05 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.663 ns 0.663 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 13.03 % 13.03 % 4 +std::string e = "123456789012345678901234567890"; auto c{e};_mean 23.8 ns 23.8 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_median 23.9 ns 23.9 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_stddev 0.401 ns 0.401 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.68 % 1.68 % 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.726 ns 0.726 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.722 ns 0.722 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.013 ns 0.013 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.76 % 1.76 % 4 +ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.734 ns 0.734 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_median 0.735 ns 0.735 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.18 % 1.18 % 4 +stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.15 ns 1.15 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_median 1.12 ns 1.12 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.078 ns 0.078 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_cv 6.77 % 6.77 % 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 21.3 ns 21.3 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 21.2 ns 21.2 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.688 ns 0.688 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 3.23 % 3.23 % 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 5.18 ns 5.18 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 5.08 ns 5.08 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.278 ns 0.278 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 5.37 % 5.37 % 4 ----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find;_mean 6.94 ns 6.94 ns 4 -std::string::find;_median 6.64 ns 6.64 ns 4 -std::string::find;_stddev 0.631 ns 0.631 ns 4 -std::string::find;_cv 9.09 % 9.09 % 4 -std::string_view::find;_mean 6.66 ns 6.66 ns 4 -std::string_view::find;_median 6.67 ns 6.67 ns 4 -std::string_view::find;_stddev 0.131 ns 0.131 ns 4 -std::string_view::find;_cv 1.97 % 1.97 % 4 -ssa::find;_mean 6.57 ns 6.57 ns 4 -ssa::find;_median 6.40 ns 6.40 ns 4 -ssa::find;_stddev 0.360 ns 0.360 ns 4 -ssa::find;_cv 5.49 % 5.49 % 4 -stringa::find;_mean 6.68 ns 6.68 ns 4 -stringa::find;_median 6.68 ns 6.68 ns 4 -stringa::find;_stddev 0.049 ns 0.049 ns 4 -stringa::find;_cv 0.74 % 0.74 % 4 -lstringa<20>::find;_mean 6.60 ns 6.60 ns 4 -lstringa<20>::find;_median 6.58 ns 6.58 ns 4 -lstringa<20>::find;_stddev 0.137 ns 0.137 ns 4 -lstringa<20>::find;_cv 2.07 % 2.07 % 4 -lstringa<40>::find;_mean 6.83 ns 6.83 ns 4 -lstringa<40>::find;_median 6.79 ns 6.79 ns 4 -lstringa<40>::find;_stddev 0.288 ns 0.288 ns 4 -lstringa<40>::find;_cv 4.21 % 4.21 % 4 +std::string::find;_mean 6.65 ns 6.65 ns 4 +std::string::find;_median 6.65 ns 6.65 ns 4 +std::string::find;_stddev 0.092 ns 0.092 ns 4 +std::string::find;_cv 1.39 % 1.39 % 4 +std::string_view::find;_mean 6.63 ns 6.63 ns 4 +std::string_view::find;_median 6.64 ns 6.64 ns 4 +std::string_view::find;_stddev 0.076 ns 0.076 ns 4 +std::string_view::find;_cv 1.14 % 1.14 % 4 +ssa::find;_mean 6.33 ns 6.33 ns 4 +ssa::find;_median 6.31 ns 6.31 ns 4 +ssa::find;_stddev 0.168 ns 0.168 ns 4 +ssa::find;_cv 2.65 % 2.65 % 4 +stringa::find;_mean 6.65 ns 6.65 ns 4 +stringa::find;_median 6.65 ns 6.65 ns 4 +stringa::find;_stddev 0.052 ns 0.052 ns 4 +stringa::find;_cv 0.78 % 0.78 % 4 +lstringa<20>::find;_mean 6.67 ns 6.67 ns 4 +lstringa<20>::find;_median 6.41 ns 6.41 ns 4 +lstringa<20>::find;_stddev 0.601 ns 0.601 ns 4 +lstringa<20>::find;_cv 9.01 % 9.01 % 4 +lstringa<40>::find;_mean 6.44 ns 6.44 ns 4 +lstringa<40>::find;_median 6.39 ns 6.39 ns 4 +lstringa<40>::find;_stddev 0.170 ns 0.170 ns 4 +lstringa<40>::find;_cv 2.64 % 2.64 % 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 5.53 ns 5.53 ns 4 -std::string copy{str_with_len_N};/15_median 5.59 ns 5.59 ns 4 -std::string copy{str_with_len_N};/15_stddev 0.167 ns 0.167 ns 4 -std::string copy{str_with_len_N};/15_cv 3.01 % 3.01 % 4 +std::string copy{str_with_len_N};/15_mean 4.83 ns 4.83 ns 4 +std::string copy{str_with_len_N};/15_median 4.82 ns 4.82 ns 4 +std::string copy{str_with_len_N};/15_stddev 0.074 ns 0.074 ns 4 +std::string copy{str_with_len_N};/15_cv 1.54 % 1.54 % 4 std::string copy{str_with_len_N};/16_mean 23.7 ns 23.7 ns 4 -std::string copy{str_with_len_N};/16_median 23.3 ns 23.3 ns 4 -std::string copy{str_with_len_N};/16_stddev 1.12 ns 1.12 ns 4 -std::string copy{str_with_len_N};/16_cv 4.72 % 4.72 % 4 -std::string copy{str_with_len_N};/23_mean 23.4 ns 23.4 ns 4 -std::string copy{str_with_len_N};/23_median 23.3 ns 23.3 ns 4 -std::string copy{str_with_len_N};/23_stddev 0.437 ns 0.437 ns 4 -std::string copy{str_with_len_N};/23_cv 1.87 % 1.87 % 4 -std::string copy{str_with_len_N};/24_mean 23.2 ns 23.2 ns 4 -std::string copy{str_with_len_N};/24_median 23.0 ns 23.0 ns 4 -std::string copy{str_with_len_N};/24_stddev 0.860 ns 0.860 ns 4 -std::string copy{str_with_len_N};/24_cv 3.70 % 3.70 % 4 -std::string copy{str_with_len_N};/32_mean 23.4 ns 23.4 ns 4 -std::string copy{str_with_len_N};/32_median 22.3 ns 22.3 ns 4 -std::string copy{str_with_len_N};/32_stddev 2.37 ns 2.37 ns 4 -std::string copy{str_with_len_N};/32_cv 10.13 % 10.13 % 4 -std::string copy{str_with_len_N};/64_mean 22.4 ns 22.4 ns 4 -std::string copy{str_with_len_N};/64_median 22.5 ns 22.5 ns 4 -std::string copy{str_with_len_N};/64_stddev 0.454 ns 0.454 ns 4 -std::string copy{str_with_len_N};/64_cv 2.02 % 2.02 % 4 -std::string copy{str_with_len_N};/128_mean 26.9 ns 26.9 ns 4 -std::string copy{str_with_len_N};/128_median 26.9 ns 26.9 ns 4 -std::string copy{str_with_len_N};/128_stddev 2.76 ns 2.76 ns 4 -std::string copy{str_with_len_N};/128_cv 10.25 % 10.25 % 4 -std::string copy{str_with_len_N};/256_mean 24.8 ns 24.8 ns 4 -std::string copy{str_with_len_N};/256_median 24.9 ns 24.9 ns 4 -std::string copy{str_with_len_N};/256_stddev 0.469 ns 0.469 ns 4 -std::string copy{str_with_len_N};/256_cv 1.89 % 1.89 % 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 28.6 ns 28.6 ns 4 -std::string copy{str_with_len_N};/512_stddev 0.746 ns 0.746 ns 4 -std::string copy{str_with_len_N};/512_cv 2.62 % 2.62 % 4 -std::string copy{str_with_len_N};/1024_mean 46.7 ns 46.7 ns 4 -std::string copy{str_with_len_N};/1024_median 46.4 ns 46.4 ns 4 -std::string copy{str_with_len_N};/1024_stddev 1.72 ns 1.72 ns 4 -std::string copy{str_with_len_N};/1024_cv 3.67 % 3.67 % 4 -std::string copy{str_with_len_N};/2048_mean 127 ns 127 ns 4 -std::string copy{str_with_len_N};/2048_median 125 ns 125 ns 4 -std::string copy{str_with_len_N};/2048_stddev 11.0 ns 11.0 ns 4 -std::string copy{str_with_len_N};/2048_cv 8.73 % 8.73 % 4 -std::string copy{str_with_len_N};/4096_mean 155 ns 155 ns 4 -std::string copy{str_with_len_N};/4096_median 149 ns 149 ns 4 -std::string copy{str_with_len_N};/4096_stddev 14.0 ns 14.0 ns 4 -std::string copy{str_with_len_N};/4096_cv 9.05 % 9.05 % 4 -stringa copy{str_with_len_N};/15_mean 1.14 ns 1.14 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 0.038 ns 0.038 ns 4 -stringa copy{str_with_len_N};/15_cv 3.32 % 3.32 % 4 -stringa copy{str_with_len_N};/16_mean 1.14 ns 1.14 ns 4 -stringa copy{str_with_len_N};/16_median 1.12 ns 1.12 ns 4 -stringa copy{str_with_len_N};/16_stddev 0.058 ns 0.058 ns 4 -stringa copy{str_with_len_N};/16_cv 5.13 % 5.13 % 4 -stringa copy{str_with_len_N};/23_mean 1.12 ns 1.12 ns 4 -stringa copy{str_with_len_N};/23_median 1.11 ns 1.11 ns 4 -stringa copy{str_with_len_N};/23_stddev 0.029 ns 0.029 ns 4 -stringa copy{str_with_len_N};/23_cv 2.62 % 2.62 % 4 -stringa copy{str_with_len_N};/24_mean 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/24_median 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/24_stddev 0.186 ns 0.186 ns 4 -stringa copy{str_with_len_N};/24_cv 1.15 % 1.15 % 4 -stringa copy{str_with_len_N};/32_mean 16.0 ns 16.0 ns 4 +std::string copy{str_with_len_N};/16_median 23.8 ns 23.8 ns 4 +std::string copy{str_with_len_N};/16_stddev 0.626 ns 0.626 ns 4 +std::string copy{str_with_len_N};/16_cv 2.65 % 2.65 % 4 +std::string copy{str_with_len_N};/23_mean 26.3 ns 26.3 ns 4 +std::string copy{str_with_len_N};/23_median 27.1 ns 27.1 ns 4 +std::string copy{str_with_len_N};/23_stddev 2.75 ns 2.75 ns 4 +std::string copy{str_with_len_N};/23_cv 10.46 % 10.46 % 4 +std::string copy{str_with_len_N};/24_mean 25.2 ns 25.2 ns 4 +std::string copy{str_with_len_N};/24_median 24.4 ns 24.4 ns 4 +std::string copy{str_with_len_N};/24_stddev 2.74 ns 2.74 ns 4 +std::string copy{str_with_len_N};/24_cv 10.89 % 10.89 % 4 +std::string copy{str_with_len_N};/32_mean 23.0 ns 23.0 ns 4 +std::string copy{str_with_len_N};/32_median 22.9 ns 22.9 ns 4 +std::string copy{str_with_len_N};/32_stddev 0.431 ns 0.431 ns 4 +std::string copy{str_with_len_N};/32_cv 1.87 % 1.87 % 4 +std::string copy{str_with_len_N};/64_mean 24.4 ns 24.4 ns 4 +std::string copy{str_with_len_N};/64_median 23.2 ns 23.2 ns 4 +std::string copy{str_with_len_N};/64_stddev 2.89 ns 2.89 ns 4 +std::string copy{str_with_len_N};/64_cv 11.86 % 11.86 % 4 +std::string copy{str_with_len_N};/128_mean 24.7 ns 24.7 ns 4 +std::string copy{str_with_len_N};/128_median 24.7 ns 24.7 ns 4 +std::string copy{str_with_len_N};/128_stddev 0.278 ns 0.278 ns 4 +std::string copy{str_with_len_N};/128_cv 1.13 % 1.13 % 4 +std::string copy{str_with_len_N};/256_mean 25.5 ns 25.5 ns 4 +std::string copy{str_with_len_N};/256_median 25.5 ns 25.5 ns 4 +std::string copy{str_with_len_N};/256_stddev 0.525 ns 0.525 ns 4 +std::string copy{str_with_len_N};/256_cv 2.06 % 2.06 % 4 +std::string copy{str_with_len_N};/512_mean 29.2 ns 29.2 ns 4 +std::string copy{str_with_len_N};/512_median 29.1 ns 29.1 ns 4 +std::string copy{str_with_len_N};/512_stddev 0.182 ns 0.182 ns 4 +std::string copy{str_with_len_N};/512_cv 0.63 % 0.63 % 4 +std::string copy{str_with_len_N};/1024_mean 45.8 ns 45.8 ns 4 +std::string copy{str_with_len_N};/1024_median 46.0 ns 46.0 ns 4 +std::string copy{str_with_len_N};/1024_stddev 0.721 ns 0.721 ns 4 +std::string copy{str_with_len_N};/1024_cv 1.57 % 1.57 % 4 +std::string copy{str_with_len_N};/2048_mean 71.1 ns 71.1 ns 4 +std::string copy{str_with_len_N};/2048_median 72.6 ns 72.6 ns 4 +std::string copy{str_with_len_N};/2048_stddev 7.51 ns 7.51 ns 4 +std::string copy{str_with_len_N};/2048_cv 10.57 % 10.57 % 4 +std::string copy{str_with_len_N};/4096_mean 121 ns 121 ns 4 +std::string copy{str_with_len_N};/4096_median 118 ns 118 ns 4 +std::string copy{str_with_len_N};/4096_stddev 10.6 ns 10.6 ns 4 +std::string copy{str_with_len_N};/4096_cv 8.71 % 8.71 % 4 +stringa copy{str_with_len_N};/15_mean 1.30 ns 1.30 ns 4 +stringa copy{str_with_len_N};/15_median 1.31 ns 1.31 ns 4 +stringa copy{str_with_len_N};/15_stddev 0.031 ns 0.031 ns 4 +stringa copy{str_with_len_N};/15_cv 2.39 % 2.39 % 4 +stringa copy{str_with_len_N};/16_mean 1.29 ns 1.29 ns 4 +stringa copy{str_with_len_N};/16_median 1.29 ns 1.29 ns 4 +stringa copy{str_with_len_N};/16_stddev 0.010 ns 0.010 ns 4 +stringa copy{str_with_len_N};/16_cv 0.81 % 0.81 % 4 +stringa copy{str_with_len_N};/23_mean 1.28 ns 1.28 ns 4 +stringa copy{str_with_len_N};/23_median 1.28 ns 1.28 ns 4 +stringa copy{str_with_len_N};/23_stddev 0.006 ns 0.006 ns 4 +stringa copy{str_with_len_N};/23_cv 0.47 % 0.46 % 4 +stringa copy{str_with_len_N};/24_mean 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/24_median 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/24_stddev 0.091 ns 0.091 ns 4 +stringa copy{str_with_len_N};/24_cv 0.57 % 0.57 % 4 +stringa copy{str_with_len_N};/32_mean 16.1 ns 16.1 ns 4 stringa copy{str_with_len_N};/32_median 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/32_stddev 0.131 ns 0.131 ns 4 -stringa copy{str_with_len_N};/32_cv 0.82 % 0.82 % 4 -stringa copy{str_with_len_N};/64_mean 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/64_median 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/64_stddev 0.138 ns 0.138 ns 4 -stringa copy{str_with_len_N};/64_cv 0.86 % 0.86 % 4 -stringa copy{str_with_len_N};/128_mean 16.2 ns 16.2 ns 4 -stringa copy{str_with_len_N};/128_median 16.2 ns 16.2 ns 4 -stringa copy{str_with_len_N};/128_stddev 0.115 ns 0.115 ns 4 -stringa copy{str_with_len_N};/128_cv 0.71 % 0.71 % 4 -stringa copy{str_with_len_N};/256_mean 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/256_median 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/256_stddev 0.135 ns 0.135 ns 4 -stringa copy{str_with_len_N};/256_cv 0.84 % 0.84 % 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 0.142 ns 0.142 ns 4 -stringa copy{str_with_len_N};/512_cv 0.87 % 0.87 % 4 -stringa copy{str_with_len_N};/1024_mean 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/1024_median 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/1024_stddev 0.118 ns 0.118 ns 4 -stringa copy{str_with_len_N};/1024_cv 0.74 % 0.74 % 4 -stringa copy{str_with_len_N};/2048_mean 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/2048_median 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/2048_stddev 0.113 ns 0.113 ns 4 -stringa copy{str_with_len_N};/2048_cv 0.70 % 0.70 % 4 +stringa copy{str_with_len_N};/32_stddev 0.181 ns 0.181 ns 4 +stringa copy{str_with_len_N};/32_cv 1.13 % 1.13 % 4 +stringa copy{str_with_len_N};/64_mean 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/64_median 15.9 ns 15.9 ns 4 +stringa copy{str_with_len_N};/64_stddev 0.029 ns 0.029 ns 4 +stringa copy{str_with_len_N};/64_cv 0.18 % 0.18 % 4 +stringa copy{str_with_len_N};/128_mean 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/128_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/128_stddev 0.076 ns 0.076 ns 4 +stringa copy{str_with_len_N};/128_cv 0.47 % 0.47 % 4 +stringa copy{str_with_len_N};/256_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/256_median 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/256_stddev 0.162 ns 0.162 ns 4 +stringa copy{str_with_len_N};/256_cv 1.01 % 1.01 % 4 +stringa copy{str_with_len_N};/512_mean 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/512_median 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/512_stddev 0.145 ns 0.145 ns 4 +stringa copy{str_with_len_N};/512_cv 0.90 % 0.90 % 4 +stringa copy{str_with_len_N};/1024_mean 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/1024_median 16.1 ns 16.1 ns 4 +stringa copy{str_with_len_N};/1024_stddev 0.220 ns 0.220 ns 4 +stringa copy{str_with_len_N};/1024_cv 1.36 % 1.36 % 4 +stringa copy{str_with_len_N};/2048_mean 16.2 ns 16.2 ns 4 +stringa copy{str_with_len_N};/2048_median 16.2 ns 16.2 ns 4 +stringa copy{str_with_len_N};/2048_stddev 0.240 ns 0.240 ns 4 +stringa copy{str_with_len_N};/2048_cv 1.48 % 1.48 % 4 stringa copy{str_with_len_N};/4096_mean 16.2 ns 16.2 ns 4 -stringa copy{str_with_len_N};/4096_median 16.1 ns 16.1 ns 4 -stringa copy{str_with_len_N};/4096_stddev 0.177 ns 0.177 ns 4 -stringa copy{str_with_len_N};/4096_cv 1.09 % 1.09 % 4 -lstringa<16> copy{str_with_len_N};/15_mean 4.48 ns 4.48 ns 4 -lstringa<16> copy{str_with_len_N};/15_median 4.37 ns 4.37 ns 4 -lstringa<16> copy{str_with_len_N};/15_stddev 0.299 ns 0.299 ns 4 -lstringa<16> copy{str_with_len_N};/15_cv 6.67 % 6.67 % 4 -lstringa<16> copy{str_with_len_N};/16_mean 4.40 ns 4.40 ns 4 -lstringa<16> copy{str_with_len_N};/16_median 4.41 ns 4.41 ns 4 -lstringa<16> copy{str_with_len_N};/16_stddev 0.065 ns 0.065 ns 4 -lstringa<16> copy{str_with_len_N};/16_cv 1.48 % 1.48 % 4 -lstringa<16> copy{str_with_len_N};/23_mean 4.56 ns 4.56 ns 4 -lstringa<16> copy{str_with_len_N};/23_median 4.55 ns 4.55 ns 4 -lstringa<16> copy{str_with_len_N};/23_stddev 0.118 ns 0.118 ns 4 -lstringa<16> copy{str_with_len_N};/23_cv 2.58 % 2.58 % 4 -lstringa<16> copy{str_with_len_N};/24_mean 23.7 ns 23.7 ns 4 -lstringa<16> copy{str_with_len_N};/24_median 23.7 ns 23.7 ns 4 -lstringa<16> copy{str_with_len_N};/24_stddev 0.219 ns 0.219 ns 4 -lstringa<16> copy{str_with_len_N};/24_cv 0.92 % 0.92 % 4 -lstringa<16> copy{str_with_len_N};/32_mean 23.4 ns 23.4 ns 4 -lstringa<16> copy{str_with_len_N};/32_median 23.4 ns 23.4 ns 4 -lstringa<16> copy{str_with_len_N};/32_stddev 0.256 ns 0.256 ns 4 -lstringa<16> copy{str_with_len_N};/32_cv 1.09 % 1.09 % 4 -lstringa<16> copy{str_with_len_N};/64_mean 25.3 ns 25.3 ns 4 -lstringa<16> copy{str_with_len_N};/64_median 25.3 ns 25.3 ns 4 -lstringa<16> copy{str_with_len_N};/64_stddev 0.264 ns 0.264 ns 4 -lstringa<16> copy{str_with_len_N};/64_cv 1.04 % 1.04 % 4 -lstringa<16> copy{str_with_len_N};/128_mean 26.6 ns 26.6 ns 4 -lstringa<16> copy{str_with_len_N};/128_median 26.4 ns 26.4 ns 4 -lstringa<16> copy{str_with_len_N};/128_stddev 1.27 ns 1.27 ns 4 -lstringa<16> copy{str_with_len_N};/128_cv 4.78 % 4.78 % 4 -lstringa<16> copy{str_with_len_N};/256_mean 28.2 ns 28.2 ns 4 -lstringa<16> copy{str_with_len_N};/256_median 28.0 ns 28.0 ns 4 -lstringa<16> copy{str_with_len_N};/256_stddev 1.92 ns 1.92 ns 4 -lstringa<16> copy{str_with_len_N};/256_cv 6.79 % 6.79 % 4 -lstringa<16> copy{str_with_len_N};/512_mean 31.9 ns 31.9 ns 4 -lstringa<16> copy{str_with_len_N};/512_median 31.4 ns 31.4 ns 4 -lstringa<16> copy{str_with_len_N};/512_stddev 2.44 ns 2.44 ns 4 -lstringa<16> copy{str_with_len_N};/512_cv 7.65 % 7.65 % 4 -lstringa<16> copy{str_with_len_N};/1024_mean 96.4 ns 96.4 ns 4 -lstringa<16> copy{str_with_len_N};/1024_median 95.9 ns 95.9 ns 4 -lstringa<16> copy{str_with_len_N};/1024_stddev 3.30 ns 3.30 ns 4 -lstringa<16> copy{str_with_len_N};/1024_cv 3.42 % 3.42 % 4 -lstringa<16> copy{str_with_len_N};/2048_mean 107 ns 107 ns 4 -lstringa<16> copy{str_with_len_N};/2048_median 108 ns 108 ns 4 -lstringa<16> copy{str_with_len_N};/2048_stddev 3.59 ns 3.59 ns 4 -lstringa<16> copy{str_with_len_N};/2048_cv 3.36 % 3.36 % 4 -lstringa<16> copy{str_with_len_N};/4096_mean 126 ns 126 ns 4 -lstringa<16> copy{str_with_len_N};/4096_median 125 ns 125 ns 4 -lstringa<16> copy{str_with_len_N};/4096_stddev 2.08 ns 2.08 ns 4 -lstringa<16> copy{str_with_len_N};/4096_cv 1.66 % 1.66 % 4 -lstringa<512> copy{str_with_len_N};/15_mean 5.38 ns 5.38 ns 4 -lstringa<512> copy{str_with_len_N};/15_median 5.38 ns 5.38 ns 4 -lstringa<512> copy{str_with_len_N};/15_stddev 0.113 ns 0.113 ns 4 -lstringa<512> copy{str_with_len_N};/15_cv 2.10 % 2.10 % 4 -lstringa<512> copy{str_with_len_N};/16_mean 5.51 ns 5.51 ns 4 -lstringa<512> copy{str_with_len_N};/16_median 5.54 ns 5.54 ns 4 -lstringa<512> copy{str_with_len_N};/16_stddev 0.116 ns 0.116 ns 4 -lstringa<512> copy{str_with_len_N};/16_cv 2.11 % 2.11 % 4 -lstringa<512> copy{str_with_len_N};/23_mean 5.67 ns 5.67 ns 4 +stringa copy{str_with_len_N};/4096_median 16.2 ns 16.2 ns 4 +stringa copy{str_with_len_N};/4096_stddev 0.155 ns 0.155 ns 4 +stringa copy{str_with_len_N};/4096_cv 0.96 % 0.96 % 4 +lstringa<16> copy{str_with_len_N};/15_mean 4.43 ns 4.43 ns 4 +lstringa<16> copy{str_with_len_N};/15_median 4.39 ns 4.39 ns 4 +lstringa<16> copy{str_with_len_N};/15_stddev 0.123 ns 0.123 ns 4 +lstringa<16> copy{str_with_len_N};/15_cv 2.77 % 2.77 % 4 +lstringa<16> copy{str_with_len_N};/16_mean 4.88 ns 4.88 ns 4 +lstringa<16> copy{str_with_len_N};/16_median 4.92 ns 4.92 ns 4 +lstringa<16> copy{str_with_len_N};/16_stddev 0.323 ns 0.323 ns 4 +lstringa<16> copy{str_with_len_N};/16_cv 6.62 % 6.62 % 4 +lstringa<16> copy{str_with_len_N};/23_mean 5.22 ns 5.22 ns 4 +lstringa<16> copy{str_with_len_N};/23_median 5.19 ns 5.19 ns 4 +lstringa<16> copy{str_with_len_N};/23_stddev 0.863 ns 0.863 ns 4 +lstringa<16> copy{str_with_len_N};/23_cv 16.53 % 16.53 % 4 +lstringa<16> copy{str_with_len_N};/24_mean 24.4 ns 24.4 ns 4 +lstringa<16> copy{str_with_len_N};/24_median 24.4 ns 24.4 ns 4 +lstringa<16> copy{str_with_len_N};/24_stddev 0.440 ns 0.440 ns 4 +lstringa<16> copy{str_with_len_N};/24_cv 1.81 % 1.81 % 4 +lstringa<16> copy{str_with_len_N};/32_mean 24.1 ns 24.1 ns 4 +lstringa<16> copy{str_with_len_N};/32_median 23.7 ns 23.7 ns 4 +lstringa<16> copy{str_with_len_N};/32_stddev 1.38 ns 1.38 ns 4 +lstringa<16> copy{str_with_len_N};/32_cv 5.71 % 5.71 % 4 +lstringa<16> copy{str_with_len_N};/64_mean 25.4 ns 25.4 ns 4 +lstringa<16> copy{str_with_len_N};/64_median 25.2 ns 25.2 ns 4 +lstringa<16> copy{str_with_len_N};/64_stddev 0.678 ns 0.678 ns 4 +lstringa<16> copy{str_with_len_N};/64_cv 2.67 % 2.67 % 4 +lstringa<16> copy{str_with_len_N};/128_mean 25.6 ns 25.6 ns 4 +lstringa<16> copy{str_with_len_N};/128_median 25.8 ns 25.8 ns 4 +lstringa<16> copy{str_with_len_N};/128_stddev 0.675 ns 0.675 ns 4 +lstringa<16> copy{str_with_len_N};/128_cv 2.64 % 2.64 % 4 +lstringa<16> copy{str_with_len_N};/256_mean 29.7 ns 29.7 ns 4 +lstringa<16> copy{str_with_len_N};/256_median 29.8 ns 29.8 ns 4 +lstringa<16> copy{str_with_len_N};/256_stddev 1.45 ns 1.45 ns 4 +lstringa<16> copy{str_with_len_N};/256_cv 4.89 % 4.89 % 4 +lstringa<16> copy{str_with_len_N};/512_mean 34.0 ns 34.0 ns 4 +lstringa<16> copy{str_with_len_N};/512_median 32.6 ns 32.6 ns 4 +lstringa<16> copy{str_with_len_N};/512_stddev 4.46 ns 4.46 ns 4 +lstringa<16> copy{str_with_len_N};/512_cv 13.11 % 13.11 % 4 +lstringa<16> copy{str_with_len_N};/1024_mean 53.7 ns 53.7 ns 4 +lstringa<16> copy{str_with_len_N};/1024_median 53.9 ns 53.9 ns 4 +lstringa<16> copy{str_with_len_N};/1024_stddev 0.505 ns 0.505 ns 4 +lstringa<16> copy{str_with_len_N};/1024_cv 0.94 % 0.94 % 4 +lstringa<16> copy{str_with_len_N};/2048_mean 66.7 ns 66.7 ns 4 +lstringa<16> copy{str_with_len_N};/2048_median 67.0 ns 67.0 ns 4 +lstringa<16> copy{str_with_len_N};/2048_stddev 4.26 ns 4.26 ns 4 +lstringa<16> copy{str_with_len_N};/2048_cv 6.40 % 6.40 % 4 +lstringa<16> copy{str_with_len_N};/4096_mean 88.0 ns 88.0 ns 4 +lstringa<16> copy{str_with_len_N};/4096_median 87.0 ns 87.0 ns 4 +lstringa<16> copy{str_with_len_N};/4096_stddev 2.20 ns 2.20 ns 4 +lstringa<16> copy{str_with_len_N};/4096_cv 2.49 % 2.49 % 4 +lstringa<512> copy{str_with_len_N};/15_mean 5.14 ns 5.14 ns 4 +lstringa<512> copy{str_with_len_N};/15_median 5.12 ns 5.12 ns 4 +lstringa<512> copy{str_with_len_N};/15_stddev 0.076 ns 0.076 ns 4 +lstringa<512> copy{str_with_len_N};/15_cv 1.49 % 1.49 % 4 +lstringa<512> copy{str_with_len_N};/16_mean 5.18 ns 5.18 ns 4 +lstringa<512> copy{str_with_len_N};/16_median 5.16 ns 5.16 ns 4 +lstringa<512> copy{str_with_len_N};/16_stddev 0.062 ns 0.062 ns 4 +lstringa<512> copy{str_with_len_N};/16_cv 1.20 % 1.20 % 4 +lstringa<512> copy{str_with_len_N};/23_mean 5.43 ns 5.43 ns 4 lstringa<512> copy{str_with_len_N};/23_median 5.40 ns 5.40 ns 4 -lstringa<512> copy{str_with_len_N};/23_stddev 0.696 ns 0.696 ns 4 -lstringa<512> copy{str_with_len_N};/23_cv 12.26 % 12.26 % 4 -lstringa<512> copy{str_with_len_N};/24_mean 5.45 ns 5.45 ns 4 -lstringa<512> copy{str_with_len_N};/24_median 5.42 ns 5.42 ns 4 -lstringa<512> copy{str_with_len_N};/24_stddev 0.238 ns 0.238 ns 4 -lstringa<512> copy{str_with_len_N};/24_cv 4.38 % 4.38 % 4 -lstringa<512> copy{str_with_len_N};/32_mean 5.07 ns 5.07 ns 4 -lstringa<512> copy{str_with_len_N};/32_median 5.08 ns 5.08 ns 4 -lstringa<512> copy{str_with_len_N};/32_stddev 0.087 ns 0.087 ns 4 -lstringa<512> copy{str_with_len_N};/32_cv 1.72 % 1.72 % 4 -lstringa<512> copy{str_with_len_N};/64_mean 6.54 ns 6.54 ns 4 -lstringa<512> copy{str_with_len_N};/64_median 6.49 ns 6.49 ns 4 -lstringa<512> copy{str_with_len_N};/64_stddev 0.221 ns 0.221 ns 4 -lstringa<512> copy{str_with_len_N};/64_cv 3.38 % 3.38 % 4 +lstringa<512> copy{str_with_len_N};/23_stddev 0.292 ns 0.292 ns 4 +lstringa<512> copy{str_with_len_N};/23_cv 5.39 % 5.39 % 4 +lstringa<512> copy{str_with_len_N};/24_mean 5.23 ns 5.23 ns 4 +lstringa<512> copy{str_with_len_N};/24_median 5.24 ns 5.24 ns 4 +lstringa<512> copy{str_with_len_N};/24_stddev 0.059 ns 0.059 ns 4 +lstringa<512> copy{str_with_len_N};/24_cv 1.13 % 1.13 % 4 +lstringa<512> copy{str_with_len_N};/32_mean 4.77 ns 4.77 ns 4 +lstringa<512> copy{str_with_len_N};/32_median 4.77 ns 4.77 ns 4 +lstringa<512> copy{str_with_len_N};/32_stddev 0.123 ns 0.123 ns 4 +lstringa<512> copy{str_with_len_N};/32_cv 2.58 % 2.58 % 4 +lstringa<512> copy{str_with_len_N};/64_mean 6.29 ns 6.29 ns 4 +lstringa<512> copy{str_with_len_N};/64_median 6.29 ns 6.29 ns 4 +lstringa<512> copy{str_with_len_N};/64_stddev 0.127 ns 0.127 ns 4 +lstringa<512> copy{str_with_len_N};/64_cv 2.03 % 2.03 % 4 lstringa<512> copy{str_with_len_N};/128_mean 7.26 ns 7.26 ns 4 -lstringa<512> copy{str_with_len_N};/128_median 7.24 ns 7.24 ns 4 -lstringa<512> copy{str_with_len_N};/128_stddev 0.083 ns 0.083 ns 4 -lstringa<512> copy{str_with_len_N};/128_cv 1.15 % 1.15 % 4 -lstringa<512> copy{str_with_len_N};/256_mean 8.60 ns 8.60 ns 4 -lstringa<512> copy{str_with_len_N};/256_median 8.59 ns 8.59 ns 4 -lstringa<512> copy{str_with_len_N};/256_stddev 0.160 ns 0.160 ns 4 -lstringa<512> copy{str_with_len_N};/256_cv 1.86 % 1.86 % 4 -lstringa<512> copy{str_with_len_N};/512_mean 11.5 ns 11.5 ns 4 -lstringa<512> copy{str_with_len_N};/512_median 11.7 ns 11.7 ns 4 -lstringa<512> copy{str_with_len_N};/512_stddev 0.714 ns 0.714 ns 4 -lstringa<512> copy{str_with_len_N};/512_cv 6.23 % 6.23 % 4 -lstringa<512> copy{str_with_len_N};/1024_mean 108 ns 108 ns 4 -lstringa<512> copy{str_with_len_N};/1024_median 106 ns 106 ns 4 -lstringa<512> copy{str_with_len_N};/1024_stddev 9.58 ns 9.58 ns 4 -lstringa<512> copy{str_with_len_N};/1024_cv 8.87 % 8.87 % 4 -lstringa<512> copy{str_with_len_N};/2048_mean 110 ns 110 ns 4 -lstringa<512> copy{str_with_len_N};/2048_median 109 ns 109 ns 4 -lstringa<512> copy{str_with_len_N};/2048_stddev 4.35 ns 4.35 ns 4 -lstringa<512> copy{str_with_len_N};/2048_cv 3.97 % 3.97 % 4 -lstringa<512> copy{str_with_len_N};/4096_mean 135 ns 135 ns 4 -lstringa<512> copy{str_with_len_N};/4096_median 137 ns 137 ns 4 -lstringa<512> copy{str_with_len_N};/4096_stddev 6.11 ns 6.11 ns 4 -lstringa<512> copy{str_with_len_N};/4096_cv 4.53 % 4.53 % 4 +lstringa<512> copy{str_with_len_N};/128_median 7.29 ns 7.29 ns 4 +lstringa<512> copy{str_with_len_N};/128_stddev 0.310 ns 0.310 ns 4 +lstringa<512> copy{str_with_len_N};/128_cv 4.27 % 4.27 % 4 +lstringa<512> copy{str_with_len_N};/256_mean 7.80 ns 7.80 ns 4 +lstringa<512> copy{str_with_len_N};/256_median 7.84 ns 7.84 ns 4 +lstringa<512> copy{str_with_len_N};/256_stddev 0.214 ns 0.214 ns 4 +lstringa<512> copy{str_with_len_N};/256_cv 2.74 % 2.74 % 4 +lstringa<512> copy{str_with_len_N};/512_mean 10.4 ns 10.4 ns 4 +lstringa<512> copy{str_with_len_N};/512_median 10.4 ns 10.4 ns 4 +lstringa<512> copy{str_with_len_N};/512_stddev 0.172 ns 0.172 ns 4 +lstringa<512> copy{str_with_len_N};/512_cv 1.65 % 1.65 % 4 +lstringa<512> copy{str_with_len_N};/1024_mean 54.1 ns 54.1 ns 4 +lstringa<512> copy{str_with_len_N};/1024_median 54.2 ns 54.2 ns 4 +lstringa<512> copy{str_with_len_N};/1024_stddev 1.32 ns 1.32 ns 4 +lstringa<512> copy{str_with_len_N};/1024_cv 2.43 % 2.43 % 4 +lstringa<512> copy{str_with_len_N};/2048_mean 66.6 ns 66.6 ns 4 +lstringa<512> copy{str_with_len_N};/2048_median 63.3 ns 63.3 ns 4 +lstringa<512> copy{str_with_len_N};/2048_stddev 7.31 ns 7.31 ns 4 +lstringa<512> copy{str_with_len_N};/2048_cv 10.97 % 10.97 % 4 +lstringa<512> copy{str_with_len_N};/4096_mean 85.3 ns 85.3 ns 4 +lstringa<512> copy{str_with_len_N};/4096_median 84.7 ns 84.7 ns 4 +lstringa<512> copy{str_with_len_N};/4096_stddev 2.25 ns 2.25 ns 4 +lstringa<512> copy{str_with_len_N};/4096_cv 2.64 % 2.64 % 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 28.1 ns 28.1 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.637 ns 0.637 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.28 % 2.28 % 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 12.5 ns 12.5 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.354 ns 0.354 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.82 % 2.82 % 4 -stringa s = "123456789"; int res = s.to_int_mean 8.32 ns 8.32 ns 4 -stringa s = "123456789"; int res = s.to_int_median 8.29 ns 8.29 ns 4 -stringa s = "123456789"; int res = s.to_int_stddev 0.159 ns 0.159 ns 4 -stringa s = "123456789"; int res = s.to_int_cv 1.91 % 1.91 % 4 -ssa s = "123456789"; int res = s.to_int_mean 7.92 ns 7.92 ns 4 -ssa s = "123456789"; int res = s.to_int_median 7.88 ns 7.88 ns 4 -ssa s = "123456789"; int res = s.to_int_stddev 0.135 ns 0.135 ns 4 -ssa s = "123456789"; int res = s.to_int_cv 1.70 % 1.70 % 4 -lstringa<20> s = "123456789"; int res = s.to_int_mean 8.46 ns 8.46 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_median 8.44 ns 8.44 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.132 ns 0.132 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_cv 1.56 % 1.56 % 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 26.8 ns 26.8 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 27.0 ns 27.0 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.606 ns 0.606 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.26 % 2.26 % 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 11.3 ns 11.3 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 11.2 ns 11.2 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.252 ns 0.252 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.23 % 2.23 % 4 +stringa s = "123456789"; int res = s.to_int_mean 8.07 ns 8.07 ns 4 +stringa s = "123456789"; int res = s.to_int_median 8.07 ns 8.07 ns 4 +stringa s = "123456789"; int res = s.to_int_stddev 0.095 ns 0.095 ns 4 +stringa s = "123456789"; int res = s.to_int_cv 1.18 % 1.18 % 4 +ssa s = "123456789"; int res = s.to_int_mean 8.02 ns 8.02 ns 4 +ssa s = "123456789"; int res = s.to_int_median 7.99 ns 7.99 ns 4 +ssa s = "123456789"; int res = s.to_int_stddev 0.170 ns 0.170 ns 4 +ssa s = "123456789"; int res = s.to_int_cv 2.12 % 2.12 % 4 +lstringa<20> s = "123456789"; int res = s.to_int_mean 8.16 ns 8.16 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_median 8.05 ns 8.05 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.387 ns 0.387 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_cv 4.75 % 4.75 % 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 25.5 ns 25.5 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 26.1 ns 26.1 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 1.62 ns 1.62 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 6.33 % 6.33 % 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 10.3 ns 10.3 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 10.2 ns 10.2 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.477 ns 0.477 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 4.64 % 4.64 % 4 -stringa s = "abcDef"; int res = s.to_int_mean 8.23 ns 8.23 ns 4 -stringa s = "abcDef"; int res = s.to_int_median 8.17 ns 8.17 ns 4 -stringa s = "abcDef"; int res = s.to_int_stddev 0.241 ns 0.241 ns 4 -stringa s = "abcDef"; int res = s.to_int_cv 2.93 % 2.93 % 4 -ssa s = "abcDef"; int res = s.to_int_mean 7.99 ns 7.99 ns 4 -ssa s = "abcDef"; int res = s.to_int_median 7.87 ns 7.87 ns 4 -ssa s = "abcDef"; int res = s.to_int_stddev 0.332 ns 0.332 ns 4 -ssa s = "abcDef"; int res = s.to_int_cv 4.15 % 4.15 % 4 -lstringa<20> s = "abcDef"; int res = s.to_int_mean 8.36 ns 8.36 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_median 8.38 ns 8.38 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.139 ns 0.139 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_cv 1.66 % 1.66 % 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 23.5 ns 23.5 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 23.4 ns 23.4 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.447 ns 0.447 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.90 % 1.90 % 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 10.0 ns 10.0 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 10.1 ns 10.1 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.250 ns 0.250 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 2.49 % 2.49 % 4 +stringa s = "abcDef"; int res = s.to_int_mean 8.15 ns 8.15 ns 4 +stringa s = "abcDef"; int res = s.to_int_median 8.10 ns 8.10 ns 4 +stringa s = "abcDef"; int res = s.to_int_stddev 0.298 ns 0.298 ns 4 +stringa s = "abcDef"; int res = s.to_int_cv 3.66 % 3.66 % 4 +ssa s = "abcDef"; int res = s.to_int_mean 8.03 ns 8.03 ns 4 +ssa s = "abcDef"; int res = s.to_int_median 8.07 ns 8.07 ns 4 +ssa s = "abcDef"; int res = s.to_int_stddev 0.111 ns 0.111 ns 4 +ssa s = "abcDef"; int res = s.to_int_cv 1.39 % 1.39 % 4 +lstringa<20> s = "abcDef"; int res = s.to_int_mean 7.86 ns 7.86 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_median 7.82 ns 7.82 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.292 ns 0.292 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_cv 3.71 % 3.71 % 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 28.8 ns 28.8 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 28.7 ns 28.7 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.875 ns 0.876 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 3.04 % 3.04 % 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 15.1 ns 15.1 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 15.1 ns 15.1 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.221 ns 0.221 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 1.47 % 1.47 % 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 10.6 ns 10.6 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 10.7 ns 10.7 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.155 ns 0.155 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.46 % 1.46 % 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 28.2 ns 28.2 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 27.6 ns 27.6 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 1.34 ns 1.34 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 4.77 % 4.77 % 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 15.3 ns 15.3 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 15.3 ns 15.3 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.607 ns 0.607 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 3.96 % 3.96 % 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 13.7 ns 13.7 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 13.8 ns 13.8 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.253 ns 0.253 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.85 % 1.85 % 4 ----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 65.1 ns 65.1 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 64.7 ns 64.7 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 3.90 ns 3.90 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 5.98 % 5.98 % 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 23.8 ns 23.8 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 23.9 ns 23.9 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 0.473 ns 0.473 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.99 % 1.99 % 4 -ssa s = "1234.567e10"; double res = *s.to_double()_mean 24.7 ns 24.7 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_median 24.7 ns 24.7 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_stddev 1.13 ns 1.13 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_cv 4.58 % 4.58 % 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 67.9 ns 67.9 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 67.5 ns 67.5 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 3.99 ns 3.99 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 5.88 % 5.88 % 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 26.1 ns 26.1 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 25.4 ns 25.4 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 2.88 ns 2.88 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 11.04 % 11.04 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_mean 24.9 ns 24.9 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_median 25.0 ns 25.0 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.363 ns 0.363 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.46 % 1.46 % 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 1335 ns 1335 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_median 1331 ns 1331 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 12.5 ns 12.5 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_cv 0.94 % 0.94 % 4 -std::string str; ... str += "abbaabbaabbaabba";_mean 380 ns 380 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_median 382 ns 382 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_stddev 6.16 ns 6.16 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_cv 1.62 % 1.62 % 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 394 ns 394 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_median 397 ns 397 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 9.24 ns 9.24 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 2.35 % 2.35 % 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 272 ns 272 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_median 277 ns 277 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 16.7 ns 16.7 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 6.15 % 6.15 % 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 250 ns 250 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_median 255 ns 255 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 16.2 ns 16.2 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 6.48 % 6.48 % 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 140 ns 140 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 139 ns 139 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 2.94 ns 2.94 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 2.09 % 2.09 % 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_mean 1400 ns 1400 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_median 1400 ns 1400 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 38.7 ns 38.7 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.76 % 2.76 % 4 +std::string str; ... str += "abbaabbaabbaabba";_mean 339 ns 339 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_median 340 ns 340 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_stddev 7.76 ns 7.76 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_cv 2.29 % 2.29 % 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 357 ns 357 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_median 360 ns 360 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 9.38 ns 9.38 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 2.63 % 2.63 % 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 238 ns 238 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_median 237 ns 237 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 3.94 ns 3.94 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 1.66 % 1.66 % 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 211 ns 211 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_median 205 ns 205 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 14.0 ns 14.0 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 6.65 % 6.65 % 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 141 ns 141 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 141 ns 141 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 2.69 ns 2.69 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.91 % 1.91 % 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 1363 ns 1363 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1369 ns 1369 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 49.0 ns 49.0 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 3.59 % 3.59 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1255 ns 1255 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 1387 ns 1387 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 1390 ns 1390 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 35.2 ns 35.2 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.54 % 2.54 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1230 ns 1230 ns 4 std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1230 ns 1230 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 59.0 ns 59.0 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 4.70 % 4.70 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 484 ns 484 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 489 ns 489 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 18.6 ns 18.6 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.84 % 3.84 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 459 ns 459 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 475 ns 475 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 79.4 ns 79.4 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 17.31 % 17.31 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 354 ns 354 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 365 ns 365 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 39.6 ns 39.6 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 11.18 % 11.18 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 245 ns 245 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 245 ns 245 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 2.86 ns 2.85 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.16 % 1.16 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 42.2 ns 42.2 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 3.43 % 3.43 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 388 ns 388 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 385 ns 385 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 11.0 ns 11.0 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.84 % 2.84 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 348 ns 348 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 342 ns 342 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 13.6 ns 13.6 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.91 % 3.91 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 303 ns 303 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 303 ns 303 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 14.6 ns 14.6 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.81 % 4.81 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 250 ns 250 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 252 ns 252 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 6.07 ns 6.07 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.42 % 2.42 % 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 73412 ns 73412 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 73498 ns 73498 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 837 ns 837 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.14 % 1.14 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 71780 ns 71780 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 71835 ns 71836 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1441 ns 1441 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.01 % 2.01 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 21248 ns 21248 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 19854 ns 19854 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 3343 ns 3343 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 15.74 % 15.74 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17315 ns 17315 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17245 ns 17245 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 377 ns 377 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.18 % 2.18 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17550 ns 17550 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17561 ns 17561 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 223 ns 223 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.27 % 1.27 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 17182 ns 17182 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17107 ns 17107 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 251 ns 251 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.46 % 1.46 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 110614 ns 110615 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 110190 ns 110191 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 2152 ns 2152 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.95 % 1.95 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 72502 ns 72502 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 73060 ns 73060 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1314 ns 1314 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.81 % 1.81 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 42661 ns 42661 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 42668 ns 42668 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 789 ns 789 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.85 % 1.85 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 24880 ns 24880 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 24398 ns 24398 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1695 ns 1695 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 6.81 % 6.81 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18255 ns 18255 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 17111 ns 17111 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2640 ns 2640 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 14.46 % 14.46 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19723 ns 19723 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 20313 ns 20313 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2091 ns 2091 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 10.60 % 10.60 % 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 1538 ns 1538 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_median 1580 ns 1580 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_stddev 99.5 ns 99.5 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_cv 6.47 % 6.47 % 4 -std::string str; ... str += str_var1 + str_var2;_mean 1325 ns 1325 ns 4 -std::string str; ... str += str_var1 + str_var2;_median 1320 ns 1320 ns 4 -std::string str; ... str += str_var1 + str_var2;_stddev 44.1 ns 44.1 ns 4 -std::string str; ... str += str_var1 + str_var2;_cv 3.33 % 3.33 % 4 -lstringa<16> str; ... str += str_var1 + str_var2;_mean 567 ns 567 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_median 562 ns 562 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_stddev 28.8 ns 28.8 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_cv 5.08 % 5.08 % 4 -lstringa<128> str; ... str += str_var1 + str_var2;_mean 479 ns 479 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_median 483 ns 483 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_stddev 60.5 ns 60.5 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_cv 12.63 % 12.63 % 4 -lstringa<512> str; ... str += str_var1 + str_var2;_mean 412 ns 412 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_median 408 ns 408 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_stddev 35.7 ns 35.7 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_cv 8.67 % 8.67 % 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_mean 315 ns 315 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_median 315 ns 315 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 4.60 ns 4.60 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.46 % 1.46 % 4 +std::stringstream str; ... str << str_var1 << str_var2;_mean 1684 ns 1684 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_median 1714 ns 1714 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_stddev 139 ns 139 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_cv 8.28 % 8.28 % 4 +std::string str; ... str += str_var1 + str_var2;_mean 1517 ns 1517 ns 4 +std::string str; ... str += str_var1 + str_var2;_median 1498 ns 1498 ns 4 +std::string str; ... str += str_var1 + str_var2;_stddev 61.2 ns 61.2 ns 4 +std::string str; ... str += str_var1 + str_var2;_cv 4.04 % 4.04 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_mean 500 ns 500 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_median 477 ns 477 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_stddev 50.9 ns 50.9 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_cv 10.17 % 10.17 % 4 +lstringa<128> str; ... str += str_var1 + str_var2;_mean 421 ns 421 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_median 421 ns 421 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_stddev 22.9 ns 22.9 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_cv 5.45 % 5.45 % 4 +lstringa<512> str; ... str += str_var1 + str_var2;_mean 373 ns 373 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_median 368 ns 368 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_stddev 12.4 ns 12.4 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_cv 3.33 % 3.33 % 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_mean 305 ns 305 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_median 305 ns 305 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 3.45 ns 3.45 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.13 % 1.13 % 4 -- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::stringstream str; str << "test = " << k << " times";_mean 3323 ns 3323 ns 4 -std::stringstream str; str << "test = " << k << " times";_median 3341 ns 3341 ns 4 -std::stringstream str; str << "test = " << k << " times";_stddev 238 ns 238 ns 4 -std::stringstream str; str << "test = " << k << " times";_cv 7.17 % 7.17 % 4 -std::string str = "test = " + std::to_string(k) + " times";_mean 474 ns 474 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_median 471 ns 471 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_stddev 37.8 ns 37.8 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_cv 7.98 % 7.98 % 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1486 ns 1486 ns 4 +std::stringstream str; str << "test = " << k << " times";_mean 3201 ns 3201 ns 4 +std::stringstream str; str << "test = " << k << " times";_median 3192 ns 3192 ns 4 +std::stringstream str; str << "test = " << k << " times";_stddev 107 ns 107 ns 4 +std::stringstream str; str << "test = " << k << " times";_cv 3.34 % 3.34 % 4 +std::string str = "test = " + std::to_string(k) + " times";_mean 440 ns 440 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_median 442 ns 442 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_stddev 8.66 ns 8.66 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_cv 1.97 % 1.97 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 1483 ns 1483 ns 4 char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 1486 ns 1486 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 43.8 ns 43.8 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 2.95 % 2.95 % 4 -std::string str = std::format("test = {} times", k);_mean 1312 ns 1312 ns 4 -std::string str = std::format("test = {} times", k);_median 1318 ns 1318 ns 4 -std::string str = std::format("test = {} times", k);_stddev 16.7 ns 16.7 ns 4 -std::string str = std::format("test = {} times", k);_cv 1.27 % 1.27 % 4 -lstringa<8> str; str.format("test = {} times", k);_mean 1646 ns 1646 ns 4 -lstringa<8> str; str.format("test = {} times", k);_median 1639 ns 1639 ns 4 -lstringa<8> str; str.format("test = {} times", k);_stddev 22.4 ns 22.4 ns 4 -lstringa<8> str; str.format("test = {} times", k);_cv 1.36 % 1.36 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 9.75 ns 9.75 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 0.66 % 0.66 % 4 +std::string str = std::format("test = {} times", k);_mean 1356 ns 1356 ns 4 +std::string str = std::format("test = {} times", k);_median 1345 ns 1345 ns 4 +std::string str = std::format("test = {} times", k);_stddev 39.9 ns 39.9 ns 4 +std::string str = std::format("test = {} times", k);_cv 2.94 % 2.94 % 4 +lstringa<8> str; str.format("test = {} times", k);_mean 1740 ns 1740 ns 4 +lstringa<8> str; str.format("test = {} times", k);_median 1748 ns 1748 ns 4 +lstringa<8> str; str.format("test = {} times", k);_stddev 49.6 ns 49.6 ns 4 +lstringa<8> str; str.format("test = {} times", k);_cv 2.85 % 2.85 % 4 lstringa<32> str; str.format("test = {} times", k);_mean 1116 ns 1116 ns 4 -lstringa<32> str; str.format("test = {} times", k);_median 1111 ns 1111 ns 4 -lstringa<32> str; str.format("test = {} times", k);_stddev 23.8 ns 23.8 ns 4 -lstringa<32> str; str.format("test = {} times", k);_cv 2.13 % 2.13 % 4 -lstringa<8> str = "test = " + k + " times";_mean 301 ns 301 ns 4 -lstringa<8> str = "test = " + k + " times";_median 302 ns 302 ns 4 -lstringa<8> str = "test = " + k + " times";_stddev 4.54 ns 4.54 ns 4 -lstringa<8> str = "test = " + k + " times";_cv 1.51 % 1.51 % 4 -lstringa<32> str = "test = " + k + " times";_mean 146 ns 146 ns 4 +lstringa<32> str; str.format("test = {} times", k);_median 1116 ns 1116 ns 4 +lstringa<32> str; str.format("test = {} times", k);_stddev 9.91 ns 9.91 ns 4 +lstringa<32> str; str.format("test = {} times", k);_cv 0.89 % 0.89 % 4 +lstringa<8> str = "test = " + k + " times";_mean 304 ns 304 ns 4 +lstringa<8> str = "test = " + k + " times";_median 304 ns 304 ns 4 +lstringa<8> str = "test = " + k + " times";_stddev 5.92 ns 5.92 ns 4 +lstringa<8> str = "test = " + k + " times";_cv 1.95 % 1.95 % 4 +lstringa<32> str = "test = " + k + " times";_mean 148 ns 148 ns 4 lstringa<32> str = "test = " + k + " times";_median 147 ns 147 ns 4 -lstringa<32> str = "test = " + k + " times";_stddev 3.21 ns 3.21 ns 4 -lstringa<32> str = "test = " + k + " times";_cv 2.19 % 2.19 % 4 -stringa str = "test = " + k + " times";_mean 163 ns 163 ns 4 -stringa str = "test = " + k + " times";_median 162 ns 162 ns 4 -stringa str = "test = " + k + " times";_stddev 1.98 ns 1.98 ns 4 -stringa str = "test = " + k + " times";_cv 1.22 % 1.22 % 4 +lstringa<32> str = "test = " + k + " times";_stddev 2.68 ns 2.68 ns 4 +lstringa<32> str = "test = " + k + " times";_cv 1.81 % 1.81 % 4 +stringa str = "test = " + k + " times";_mean 167 ns 167 ns 4 +stringa str = "test = " + k + " times";_median 165 ns 165 ns 4 +stringa str = "test = " + k + " times";_stddev 7.60 ns 7.60 ns 4 +stringa str = "test = " + k + " times";_cv 4.56 % 4.56 % 4 -- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find + substr + std::strtol_mean 278 ns 278 ns 4 -std::string::find + substr + std::strtol_median 278 ns 278 ns 4 -std::string::find + substr + std::strtol_stddev 3.95 ns 3.95 ns 4 -std::string::find + substr + std::strtol_cv 1.42 % 1.42 % 4 -ssa::splitter + ssa::as_int_mean 139 ns 139 ns 4 -ssa::splitter + ssa::as_int_median 137 ns 137 ns 4 -ssa::splitter + ssa::as_int_stddev 5.52 ns 5.52 ns 4 -ssa::splitter + ssa::as_int_cv 3.98 % 3.98 % 4 -ssa::splitf + functor_mean 126 ns 126 ns 4 -ssa::splitf + functor_median 125 ns 125 ns 4 -ssa::splitf + functor_stddev 2.40 ns 2.40 ns 4 -ssa::splitf + functor_cv 1.90 % 1.90 % 4 +std::string::find + substr + std::strtol_mean 280 ns 280 ns 4 +std::string::find + substr + std::strtol_median 280 ns 280 ns 4 +std::string::find + substr + std::strtol_stddev 5.77 ns 5.77 ns 4 +std::string::find + substr + std::strtol_cv 2.06 % 2.06 % 4 +ssa::splitter + ssa::as_int_mean 129 ns 129 ns 4 +ssa::splitter + ssa::as_int_median 129 ns 129 ns 4 +ssa::splitter + ssa::as_int_stddev 3.01 ns 3.01 ns 4 +ssa::splitter + ssa::as_int_cv 2.33 % 2.33 % 4 +ssa::splitf + functor_mean 128 ns 128 ns 4 +ssa::splitf + functor_median 128 ns 128 ns 4 +ssa::splitf + functor_stddev 1.92 ns 1.92 ns 4 +ssa::splitf + functor_cv 1.50 % 1.50 % 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 826 ns 826 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_median 826 ns 826 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_stddev 8.57 ns 8.57 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_cv 1.04 % 1.04 % 4 -replace symbols with std::string find_first_of + replace_mean 2461 ns 2461 ns 4 -replace symbols with std::string find_first_of + replace_median 2474 ns 2474 ns 4 -replace symbols with std::string find_first_of + replace_stddev 42.3 ns 42.3 ns 4 -replace symbols with std::string find_first_of + replace_cv 1.72 % 1.72 % 4 -replace symbols with std::string_view find_first_of + copy_mean 1030 ns 1030 ns 4 -replace symbols with std::string_view find_first_of + copy_median 1026 ns 1026 ns 4 -replace symbols with std::string_view find_first_of + copy_stddev 20.6 ns 20.6 ns 4 -replace symbols with std::string_view find_first_of + copy_cv 2.00 % 2.00 % 4 -replace runtime symbols with string expressions and without remembering all search results_mean 1459 ns 1459 ns 4 -replace runtime symbols with string expressions and without remembering all search results_median 1421 ns 1421 ns 4 -replace runtime symbols with string expressions and without remembering all search results_stddev 87.5 ns 87.5 ns 4 -replace runtime symbols with string expressions and without remembering all search results_cv 6.00 % 6.00 % 4 -replace runtime symbols with simstr and memorization of all search results_mean 1014 ns 1014 ns 4 -replace runtime symbols with simstr and memorization of all search results_median 1020 ns 1020 ns 4 -replace runtime symbols with simstr and memorization of all search results_stddev 19.7 ns 19.7 ns 4 -replace runtime symbols with simstr and memorization of all search results_cv 1.94 % 1.94 % 4 -replace const symbols with string expressions and without remembering all search results_mean 1221 ns 1221 ns 4 -replace const symbols with string expressions and without remembering all search results_median 1220 ns 1220 ns 4 -replace const symbols with string expressions and without remembering all search results_stddev 7.67 ns 7.67 ns 4 -replace const symbols with string expressions and without remembering all search results_cv 0.63 % 0.63 % 4 -replace const symbols with string expressions and memorization of all search results_mean 855 ns 855 ns 4 -replace const symbols with string expressions and memorization of all search results_median 853 ns 853 ns 4 -replace const symbols with string expressions and memorization of all search results_stddev 13.8 ns 13.8 ns 4 -replace const symbols with string expressions and memorization of all search results_cv 1.62 % 1.62 % 4 +Naive (and wrong) replace symbols with std::string find + replace_mean 838 ns 838 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_median 835 ns 835 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_stddev 7.50 ns 7.50 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_cv 0.89 % 0.89 % 4 +replace symbols with std::string find_first_of + replace_mean 2528 ns 2528 ns 4 +replace symbols with std::string find_first_of + replace_median 2485 ns 2485 ns 4 +replace symbols with std::string find_first_of + replace_stddev 126 ns 126 ns 4 +replace symbols with std::string find_first_of + replace_cv 4.97 % 4.97 % 4 +replace symbols with std::string_view find_first_of + copy_mean 1218 ns 1218 ns 4 +replace symbols with std::string_view find_first_of + copy_median 1225 ns 1225 ns 4 +replace symbols with std::string_view find_first_of + copy_stddev 46.1 ns 46.1 ns 4 +replace symbols with std::string_view find_first_of + copy_cv 3.78 % 3.78 % 4 +replace runtime symbols with string expressions and without remembering all search results_mean 1686 ns 1686 ns 4 +replace runtime symbols with string expressions and without remembering all search results_median 1624 ns 1624 ns 4 +replace runtime symbols with string expressions and without remembering all search results_stddev 148 ns 148 ns 4 +replace runtime symbols with string expressions and without remembering all search results_cv 8.79 % 8.79 % 4 +replace runtime symbols with simstr and memorization of all search results_mean 1067 ns 1067 ns 4 +replace runtime symbols with simstr and memorization of all search results_median 1068 ns 1068 ns 4 +replace runtime symbols with simstr and memorization of all search results_stddev 21.5 ns 21.5 ns 4 +replace runtime symbols with simstr and memorization of all search results_cv 2.01 % 2.01 % 4 +replace const symbols with string expressions and without remembering all search results_mean 1276 ns 1276 ns 4 +replace const symbols with string expressions and without remembering all search results_median 1233 ns 1233 ns 4 +replace const symbols with string expressions and without remembering all search results_stddev 114 ns 114 ns 4 +replace const symbols with string expressions and without remembering all search results_cv 8.92 % 8.92 % 4 +replace const symbols with string expressions and memorization of all search results_mean 875 ns 875 ns 4 +replace const symbols with string expressions and memorization of all search results_median 881 ns 881 ns 4 +replace const symbols with string expressions and memorization of all search results_stddev 23.8 ns 23.8 ns 4 +replace const symbols with string expressions and memorization of all search results_cv 2.71 % 2.71 % 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 159 ns 159 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_stddev 3.74 ns 3.74 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.33 % 2.33 % 4 -Short replace symbols with std::string find_first_of + replace_mean 353 ns 353 ns 4 -Short replace symbols with std::string find_first_of + replace_median 344 ns 344 ns 4 -Short replace symbols with std::string find_first_of + replace_stddev 22.3 ns 22.3 ns 4 -Short replace symbols with std::string find_first_of + replace_cv 6.32 % 6.32 % 4 -Short replace symbols with std::string_view find_first_of + copy_mean 171 ns 171 ns 4 -Short replace symbols with std::string_view find_first_of + copy_median 170 ns 170 ns 4 -Short replace symbols with std::string_view find_first_of + copy_stddev 4.52 ns 4.52 ns 4 -Short replace symbols with std::string_view find_first_of + copy_cv 2.65 % 2.65 % 4 -Short replace runtime symbols with string expressions and without remembering all search results_mean 192 ns 192 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_median 192 ns 192 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_stddev 3.58 ns 3.58 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_cv 1.86 % 1.86 % 4 -Short replace runtime symbols with simstr and memorization of all search results_mean 195 ns 195 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_median 192 ns 192 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_stddev 13.9 ns 13.9 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_cv 7.14 % 7.14 % 4 -Short replace const symbols with string expressions and without remembering all search results_mean 178 ns 178 ns 4 -Short replace const symbols with string expressions and without remembering all search results_median 172 ns 172 ns 4 -Short replace const symbols with string expressions and without remembering all search results_stddev 15.9 ns 15.9 ns 4 -Short replace const symbols with string expressions and without remembering all search results_cv 8.97 % 8.97 % 4 -Short replace const symbols with string expressions and memorization of all search results_mean 181 ns 181 ns 4 -Short replace const symbols with string expressions and memorization of all search results_median 180 ns 180 ns 4 -Short replace const symbols with string expressions and memorization of all search results_stddev 22.7 ns 22.7 ns 4 -Short replace const symbols with string expressions and memorization of all search results_cv 12.58 % 12.58 % 4 +Short Naive (and wrong) replace symbols with std::string find + replace_mean 189 ns 189 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_median 190 ns 190 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_stddev 4.78 ns 4.78 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.53 % 2.53 % 4 +Short replace symbols with std::string find_first_of + replace_mean 351 ns 351 ns 4 +Short replace symbols with std::string find_first_of + replace_median 354 ns 354 ns 4 +Short replace symbols with std::string find_first_of + replace_stddev 7.55 ns 7.55 ns 4 +Short replace symbols with std::string find_first_of + replace_cv 2.15 % 2.15 % 4 +Short replace symbols with std::string_view find_first_of + copy_mean 204 ns 204 ns 4 +Short replace symbols with std::string_view find_first_of + copy_median 204 ns 204 ns 4 +Short replace symbols with std::string_view find_first_of + copy_stddev 2.22 ns 2.22 ns 4 +Short replace symbols with std::string_view find_first_of + copy_cv 1.09 % 1.09 % 4 +Short replace runtime symbols with string expressions and without remembering all search results_mean 208 ns 208 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_median 206 ns 206 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_stddev 7.59 ns 7.59 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_cv 3.65 % 3.65 % 4 +Short replace runtime symbols with simstr and memorization of all search results_mean 262 ns 262 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_median 263 ns 263 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_stddev 22.6 ns 22.6 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_cv 8.63 % 8.63 % 4 +Short replace const symbols with string expressions and without remembering all search results_mean 194 ns 194 ns 4 +Short replace const symbols with string expressions and without remembering all search results_median 195 ns 195 ns 4 +Short replace const symbols with string expressions and without remembering all search results_stddev 14.2 ns 14.2 ns 4 +Short replace const symbols with string expressions and without remembering all search results_cv 7.31 % 7.31 % 4 +Short replace const symbols with string expressions and memorization of all search results_mean 176 ns 176 ns 4 +Short replace const symbols with string expressions and memorization of all search results_median 176 ns 176 ns 4 +Short replace const symbols with string expressions and memorization of all search results_stddev 3.86 ns 3.86 ns 4 +Short replace const symbols with string expressions and memorization of all search results_cv 2.19 % 2.19 % 4 ----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to ---- in std::string|64_mean 183 ns 183 ns 4 -replace bb to ---- in std::string|64_median 166 ns 166 ns 4 -replace bb to ---- in std::string|64_stddev 40.4 ns 40.4 ns 4 -replace bb to ---- in std::string|64_cv 22.11 % 22.11 % 4 -replace bb to ---- in std::string|256_mean 499 ns 499 ns 4 -replace bb to ---- in std::string|256_median 498 ns 498 ns 4 -replace bb to ---- in std::string|256_stddev 10.6 ns 10.6 ns 4 -replace bb to ---- in std::string|256_cv 2.13 % 2.13 % 4 -replace bb to ---- in std::string|512_mean 1012 ns 1012 ns 4 -replace bb to ---- in std::string|512_median 1019 ns 1019 ns 4 -replace bb to ---- in std::string|512_stddev 61.5 ns 61.5 ns 4 -replace bb to ---- in std::string|512_cv 6.08 % 6.08 % 4 -replace bb to ---- in std::string|1024_mean 2304 ns 2304 ns 4 -replace bb to ---- in std::string|1024_median 2267 ns 2267 ns 4 -replace bb to ---- in std::string|1024_stddev 192 ns 192 ns 4 -replace bb to ---- in std::string|1024_cv 8.32 % 8.32 % 4 -replace bb to ---- in std::string|2048_mean 5796 ns 5796 ns 4 -replace bb to ---- in std::string|2048_median 5843 ns 5843 ns 4 -replace bb to ---- in std::string|2048_stddev 149 ns 149 ns 4 -replace bb to ---- in std::string|2048_cv 2.58 % 2.58 % 4 -replace bb to ---- in lstringa<8>|64_mean 154 ns 154 ns 4 -replace bb to ---- in lstringa<8>|64_median 153 ns 153 ns 4 -replace bb to ---- in lstringa<8>|64_stddev 2.02 ns 2.02 ns 4 -replace bb to ---- in lstringa<8>|64_cv 1.32 % 1.32 % 4 -replace bb to ---- in lstringa<8>|256_mean 484 ns 484 ns 4 -replace bb to ---- in lstringa<8>|256_median 483 ns 483 ns 4 -replace bb to ---- in lstringa<8>|256_stddev 2.28 ns 2.28 ns 4 -replace bb to ---- in lstringa<8>|256_cv 0.47 % 0.47 % 4 -replace bb to ---- in lstringa<8>|512_mean 886 ns 886 ns 4 -replace bb to ---- in lstringa<8>|512_median 889 ns 889 ns 4 -replace bb to ---- in lstringa<8>|512_stddev 13.6 ns 13.6 ns 4 -replace bb to ---- in lstringa<8>|512_cv 1.54 % 1.54 % 4 -replace bb to ---- in lstringa<8>|1024_mean 1917 ns 1917 ns 4 -replace bb to ---- in lstringa<8>|1024_median 1909 ns 1909 ns 4 -replace bb to ---- in lstringa<8>|1024_stddev 69.2 ns 69.2 ns 4 -replace bb to ---- in lstringa<8>|1024_cv 3.61 % 3.61 % 4 -replace bb to ---- in lstringa<8>|2048_mean 3636 ns 3636 ns 4 -replace bb to ---- in lstringa<8>|2048_median 3504 ns 3504 ns 4 -replace bb to ---- in lstringa<8>|2048_stddev 298 ns 298 ns 4 -replace bb to ---- in lstringa<8>|2048_cv 8.20 % 8.20 % 4 -replace bb to ---- by init stringa|64_mean 99.5 ns 99.5 ns 4 -replace bb to ---- by init stringa|64_median 99.1 ns 99.1 ns 4 -replace bb to ---- by init stringa|64_stddev 2.32 ns 2.32 ns 4 -replace bb to ---- by init stringa|64_cv 2.33 % 2.33 % 4 -replace bb to ---- by init stringa|256_mean 297 ns 297 ns 4 -replace bb to ---- by init stringa|256_median 298 ns 298 ns 4 -replace bb to ---- by init stringa|256_stddev 4.13 ns 4.13 ns 4 -replace bb to ---- by init stringa|256_cv 1.39 % 1.39 % 4 -replace bb to ---- by init stringa|512_mean 717 ns 717 ns 4 -replace bb to ---- by init stringa|512_median 718 ns 718 ns 4 -replace bb to ---- by init stringa|512_stddev 5.27 ns 5.27 ns 4 -replace bb to ---- by init stringa|512_cv 0.73 % 0.73 % 4 -replace bb to ---- by init stringa|1024_mean 1663 ns 1663 ns 4 -replace bb to ---- by init stringa|1024_median 1655 ns 1655 ns 4 -replace bb to ---- by init stringa|1024_stddev 52.2 ns 52.2 ns 4 -replace bb to ---- by init stringa|1024_cv 3.14 % 3.14 % 4 -replace bb to ---- by init stringa|2048_mean 3325 ns 3325 ns 4 -replace bb to ---- by init stringa|2048_median 3327 ns 3327 ns 4 -replace bb to ---- by init stringa|2048_stddev 75.7 ns 75.7 ns 4 -replace bb to ---- by init stringa|2048_cv 2.28 % 2.28 % 4 +replace bb to ---- in std::string|64_mean 259 ns 259 ns 4 +replace bb to ---- in std::string|64_median 257 ns 257 ns 4 +replace bb to ---- in std::string|64_stddev 3.73 ns 3.73 ns 4 +replace bb to ---- in std::string|64_cv 1.44 % 1.44 % 4 +replace bb to ---- in std::string|256_mean 861 ns 861 ns 4 +replace bb to ---- in std::string|256_median 859 ns 859 ns 4 +replace bb to ---- in std::string|256_stddev 13.8 ns 13.8 ns 4 +replace bb to ---- in std::string|256_cv 1.60 % 1.60 % 4 +replace bb to ---- in std::string|512_mean 1615 ns 1615 ns 4 +replace bb to ---- in std::string|512_median 1610 ns 1610 ns 4 +replace bb to ---- in std::string|512_stddev 33.2 ns 33.2 ns 4 +replace bb to ---- in std::string|512_cv 2.06 % 2.06 % 4 +replace bb to ---- in std::string|1024_mean 3426 ns 3426 ns 4 +replace bb to ---- in std::string|1024_median 3441 ns 3441 ns 4 +replace bb to ---- in std::string|1024_stddev 49.4 ns 49.4 ns 4 +replace bb to ---- in std::string|1024_cv 1.44 % 1.44 % 4 +replace bb to ---- in std::string|2048_mean 8466 ns 8466 ns 4 +replace bb to ---- in std::string|2048_median 8611 ns 8611 ns 4 +replace bb to ---- in std::string|2048_stddev 419 ns 419 ns 4 +replace bb to ---- in std::string|2048_cv 4.94 % 4.94 % 4 +replace bb to ---- in lstringa<8>|64_mean 204 ns 204 ns 4 +replace bb to ---- in lstringa<8>|64_median 206 ns 206 ns 4 +replace bb to ---- in lstringa<8>|64_stddev 4.78 ns 4.78 ns 4 +replace bb to ---- in lstringa<8>|64_cv 2.34 % 2.34 % 4 +replace bb to ---- in lstringa<8>|256_mean 556 ns 556 ns 4 +replace bb to ---- in lstringa<8>|256_median 555 ns 555 ns 4 +replace bb to ---- in lstringa<8>|256_stddev 21.2 ns 21.2 ns 4 +replace bb to ---- in lstringa<8>|256_cv 3.82 % 3.82 % 4 +replace bb to ---- in lstringa<8>|512_mean 970 ns 970 ns 4 +replace bb to ---- in lstringa<8>|512_median 970 ns 970 ns 4 +replace bb to ---- in lstringa<8>|512_stddev 24.8 ns 24.8 ns 4 +replace bb to ---- in lstringa<8>|512_cv 2.56 % 2.56 % 4 +replace bb to ---- in lstringa<8>|1024_mean 1985 ns 1985 ns 4 +replace bb to ---- in lstringa<8>|1024_median 1963 ns 1963 ns 4 +replace bb to ---- in lstringa<8>|1024_stddev 186 ns 186 ns 4 +replace bb to ---- in lstringa<8>|1024_cv 9.38 % 9.38 % 4 +replace bb to ---- in lstringa<8>|2048_mean 3912 ns 3912 ns 4 +replace bb to ---- in lstringa<8>|2048_median 3979 ns 3979 ns 4 +replace bb to ---- in lstringa<8>|2048_stddev 334 ns 334 ns 4 +replace bb to ---- in lstringa<8>|2048_cv 8.53 % 8.53 % 4 +replace bb to ---- by init stringa|64_mean 119 ns 119 ns 4 +replace bb to ---- by init stringa|64_median 119 ns 119 ns 4 +replace bb to ---- by init stringa|64_stddev 2.17 ns 2.17 ns 4 +replace bb to ---- by init stringa|64_cv 1.82 % 1.82 % 4 +replace bb to ---- by init stringa|256_mean 335 ns 335 ns 4 +replace bb to ---- by init stringa|256_median 331 ns 331 ns 4 +replace bb to ---- by init stringa|256_stddev 14.8 ns 14.8 ns 4 +replace bb to ---- by init stringa|256_cv 4.43 % 4.43 % 4 +replace bb to ---- by init stringa|512_mean 761 ns 761 ns 4 +replace bb to ---- by init stringa|512_median 764 ns 764 ns 4 +replace bb to ---- by init stringa|512_stddev 9.46 ns 9.46 ns 4 +replace bb to ---- by init stringa|512_cv 1.24 % 1.24 % 4 +replace bb to ---- by init stringa|1024_mean 1682 ns 1682 ns 4 +replace bb to ---- by init stringa|1024_median 1658 ns 1658 ns 4 +replace bb to ---- by init stringa|1024_stddev 77.3 ns 77.3 ns 4 +replace bb to ---- by init stringa|1024_cv 4.60 % 4.60 % 4 +replace bb to ---- by init stringa|2048_mean 3300 ns 3300 ns 4 +replace bb to ---- by init stringa|2048_median 3308 ns 3308 ns 4 +replace bb to ---- by init stringa|2048_stddev 42.3 ns 42.3 ns 4 +replace bb to ---- by init stringa|2048_cv 1.28 % 1.28 % 4 ----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to -- in std::string|64_mean 123 ns 123 ns 4 -replace bb to -- in std::string|64_median 122 ns 122 ns 4 -replace bb to -- in std::string|64_stddev 3.75 ns 3.75 ns 4 -replace bb to -- in std::string|64_cv 3.05 % 3.05 % 4 -replace bb to -- in std::string|256_mean 383 ns 383 ns 4 -replace bb to -- in std::string|256_median 383 ns 383 ns 4 -replace bb to -- in std::string|256_stddev 10.1 ns 10.1 ns 4 -replace bb to -- in std::string|256_cv 2.63 % 2.63 % 4 -replace bb to -- in std::string|512_mean 719 ns 719 ns 4 -replace bb to -- in std::string|512_median 718 ns 718 ns 4 -replace bb to -- in std::string|512_stddev 19.5 ns 19.5 ns 4 -replace bb to -- in std::string|512_cv 2.71 % 2.71 % 4 -replace bb to -- in std::string|1024_mean 1415 ns 1415 ns 4 -replace bb to -- in std::string|1024_median 1414 ns 1414 ns 4 -replace bb to -- in std::string|1024_stddev 19.6 ns 19.6 ns 4 -replace bb to -- in std::string|1024_cv 1.39 % 1.39 % 4 -replace bb to -- in std::string|2048_mean 2838 ns 2838 ns 4 -replace bb to -- in std::string|2048_median 2838 ns 2838 ns 4 -replace bb to -- in std::string|2048_stddev 60.4 ns 60.4 ns 4 -replace bb to -- in std::string|2048_cv 2.13 % 2.13 % 4 -replace bb to -- in lstringa<8>|64_mean 102 ns 102 ns 4 -replace bb to -- in lstringa<8>|64_median 103 ns 103 ns 4 -replace bb to -- in lstringa<8>|64_stddev 2.22 ns 2.22 ns 4 -replace bb to -- in lstringa<8>|64_cv 2.18 % 2.18 % 4 -replace bb to -- in lstringa<8>|256_mean 300 ns 300 ns 4 -replace bb to -- in lstringa<8>|256_median 299 ns 299 ns 4 -replace bb to -- in lstringa<8>|256_stddev 6.91 ns 6.91 ns 4 -replace bb to -- in lstringa<8>|256_cv 2.31 % 2.31 % 4 -replace bb to -- in lstringa<8>|512_mean 562 ns 562 ns 4 -replace bb to -- in lstringa<8>|512_median 547 ns 547 ns 4 -replace bb to -- in lstringa<8>|512_stddev 39.7 ns 39.7 ns 4 -replace bb to -- in lstringa<8>|512_cv 7.06 % 7.06 % 4 -replace bb to -- in lstringa<8>|1024_mean 1116 ns 1116 ns 4 -replace bb to -- in lstringa<8>|1024_median 1111 ns 1111 ns 4 -replace bb to -- in lstringa<8>|1024_stddev 26.2 ns 26.2 ns 4 -replace bb to -- in lstringa<8>|1024_cv 2.35 % 2.35 % 4 -replace bb to -- in lstringa<8>|2048_mean 2185 ns 2185 ns 4 -replace bb to -- in lstringa<8>|2048_median 2121 ns 2121 ns 4 -replace bb to -- in lstringa<8>|2048_stddev 153 ns 153 ns 4 -replace bb to -- in lstringa<8>|2048_cv 6.99 % 6.99 % 4 -replace bb to -- by init stringa|64_mean 97.1 ns 97.1 ns 4 -replace bb to -- by init stringa|64_median 97.0 ns 97.0 ns 4 -replace bb to -- by init stringa|64_stddev 0.731 ns 0.731 ns 4 -replace bb to -- by init stringa|64_cv 0.75 % 0.75 % 4 -replace bb to -- by init stringa|256_mean 274 ns 274 ns 4 -replace bb to -- by init stringa|256_median 267 ns 267 ns 4 -replace bb to -- by init stringa|256_stddev 15.1 ns 15.1 ns 4 -replace bb to -- by init stringa|256_cv 5.53 % 5.53 % 4 -replace bb to -- by init stringa|512_mean 544 ns 544 ns 4 -replace bb to -- by init stringa|512_median 538 ns 538 ns 4 -replace bb to -- by init stringa|512_stddev 47.8 ns 47.8 ns 4 -replace bb to -- by init stringa|512_cv 8.79 % 8.79 % 4 -replace bb to -- by init stringa|1024_mean 1481 ns 1481 ns 4 -replace bb to -- by init stringa|1024_median 1468 ns 1468 ns 4 -replace bb to -- by init stringa|1024_stddev 49.7 ns 49.7 ns 4 -replace bb to -- by init stringa|1024_cv 3.36 % 3.36 % 4 -replace bb to -- by init stringa|2048_mean 2397 ns 2397 ns 4 -replace bb to -- by init stringa|2048_median 2334 ns 2334 ns 4 -replace bb to -- by init stringa|2048_stddev 504 ns 504 ns 4 -replace bb to -- by init stringa|2048_cv 21.02 % 21.02 % 4 +replace bb to -- in std::string|64_mean 199 ns 199 ns 4 +replace bb to -- in std::string|64_median 200 ns 200 ns 4 +replace bb to -- in std::string|64_stddev 4.68 ns 4.68 ns 4 +replace bb to -- in std::string|64_cv 2.35 % 2.35 % 4 +replace bb to -- in std::string|256_mean 635 ns 635 ns 4 +replace bb to -- in std::string|256_median 628 ns 628 ns 4 +replace bb to -- in std::string|256_stddev 17.5 ns 17.5 ns 4 +replace bb to -- in std::string|256_cv 2.76 % 2.76 % 4 +replace bb to -- in std::string|512_mean 1408 ns 1408 ns 4 +replace bb to -- in std::string|512_median 1403 ns 1403 ns 4 +replace bb to -- in std::string|512_stddev 87.1 ns 87.1 ns 4 +replace bb to -- in std::string|512_cv 6.19 % 6.19 % 4 +replace bb to -- in std::string|1024_mean 2878 ns 2878 ns 4 +replace bb to -- in std::string|1024_median 2843 ns 2843 ns 4 +replace bb to -- in std::string|1024_stddev 284 ns 284 ns 4 +replace bb to -- in std::string|1024_cv 9.87 % 9.87 % 4 +replace bb to -- in std::string|2048_mean 4530 ns 4530 ns 4 +replace bb to -- in std::string|2048_median 4518 ns 4518 ns 4 +replace bb to -- in std::string|2048_stddev 230 ns 230 ns 4 +replace bb to -- in std::string|2048_cv 5.07 % 5.07 % 4 +replace bb to -- in lstringa<8>|64_mean 137 ns 137 ns 4 +replace bb to -- in lstringa<8>|64_median 137 ns 137 ns 4 +replace bb to -- in lstringa<8>|64_stddev 2.56 ns 2.56 ns 4 +replace bb to -- in lstringa<8>|64_cv 1.86 % 1.86 % 4 +replace bb to -- in lstringa<8>|256_mean 347 ns 347 ns 4 +replace bb to -- in lstringa<8>|256_median 345 ns 345 ns 4 +replace bb to -- in lstringa<8>|256_stddev 9.86 ns 9.86 ns 4 +replace bb to -- in lstringa<8>|256_cv 2.84 % 2.84 % 4 +replace bb to -- in lstringa<8>|512_mean 569 ns 569 ns 4 +replace bb to -- in lstringa<8>|512_median 568 ns 568 ns 4 +replace bb to -- in lstringa<8>|512_stddev 9.56 ns 9.56 ns 4 +replace bb to -- in lstringa<8>|512_cv 1.68 % 1.68 % 4 +replace bb to -- in lstringa<8>|1024_mean 1085 ns 1085 ns 4 +replace bb to -- in lstringa<8>|1024_median 1069 ns 1069 ns 4 +replace bb to -- in lstringa<8>|1024_stddev 47.7 ns 47.7 ns 4 +replace bb to -- in lstringa<8>|1024_cv 4.40 % 4.40 % 4 +replace bb to -- in lstringa<8>|2048_mean 2030 ns 2030 ns 4 +replace bb to -- in lstringa<8>|2048_median 2025 ns 2025 ns 4 +replace bb to -- in lstringa<8>|2048_stddev 50.8 ns 50.8 ns 4 +replace bb to -- in lstringa<8>|2048_cv 2.50 % 2.50 % 4 +replace bb to -- by init stringa|64_mean 107 ns 107 ns 4 +replace bb to -- by init stringa|64_median 107 ns 107 ns 4 +replace bb to -- by init stringa|64_stddev 0.854 ns 0.854 ns 4 +replace bb to -- by init stringa|64_cv 0.80 % 0.80 % 4 +replace bb to -- by init stringa|256_mean 289 ns 289 ns 4 +replace bb to -- by init stringa|256_median 288 ns 288 ns 4 +replace bb to -- by init stringa|256_stddev 7.41 ns 7.41 ns 4 +replace bb to -- by init stringa|256_cv 2.57 % 2.57 % 4 +replace bb to -- by init stringa|512_mean 523 ns 523 ns 4 +replace bb to -- by init stringa|512_median 518 ns 518 ns 4 +replace bb to -- by init stringa|512_stddev 16.4 ns 16.4 ns 4 +replace bb to -- by init stringa|512_cv 3.13 % 3.13 % 4 +replace bb to -- by init stringa|1024_mean 1033 ns 1033 ns 4 +replace bb to -- by init stringa|1024_median 1016 ns 1016 ns 4 +replace bb to -- by init stringa|1024_stddev 39.1 ns 39.1 ns 4 +replace bb to -- by init stringa|1024_cv 3.79 % 3.79 % 4 +replace bb to -- by init stringa|2048_mean 1962 ns 1962 ns 4 +replace bb to -- by init stringa|2048_median 1904 ns 1904 ns 4 +replace bb to -- by init stringa|2048_stddev 118 ns 118 ns 4 +replace bb to -- by init stringa|2048_cv 6.02 % 6.02 % 4 ----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -hashStrMapA emplace & find stringa;_mean 3640422 ns 3640436 ns 4 -hashStrMapA emplace & find stringa;_median 3644936 ns 3644950 ns 4 -hashStrMapA emplace & find stringa;_stddev 32127 ns 32126 ns 4 -hashStrMapA emplace & find stringa;_cv 0.88 % 0.88 % 4 -std::unordered_map emplace & find std::string;_mean 3537855 ns 3537865 ns 4 -std::unordered_map emplace & find std::string;_median 3520687 ns 3520696 ns 4 -std::unordered_map emplace & find std::string;_stddev 63067 ns 63067 ns 4 -std::unordered_map emplace & find std::string;_cv 1.78 % 1.78 % 4 -hashStrMapA emplace & find ssa;_mean 3721221 ns 3721234 ns 4 -hashStrMapA emplace & find ssa;_median 3723511 ns 3723522 ns 4 -hashStrMapA emplace & find ssa;_stddev 46546 ns 46546 ns 4 -hashStrMapA emplace & find ssa;_cv 1.25 % 1.25 % 4 -std::unordered_map emplace & find std::string_view;_mean 3973701 ns 3973710 ns 4 -std::unordered_map emplace & find std::string_view;_median 3959340 ns 3959349 ns 4 -std::unordered_map emplace & find std::string_view;_stddev 117238 ns 117239 ns 4 -std::unordered_map emplace & find std::string_view;_cv 2.95 % 2.95 % 4 +hashStrMapA emplace & find stringa;_mean 3722252 ns 3722266 ns 4 +hashStrMapA emplace & find stringa;_median 3715967 ns 3715981 ns 4 +hashStrMapA emplace & find stringa;_stddev 73617 ns 73617 ns 4 +hashStrMapA emplace & find stringa;_cv 1.98 % 1.98 % 4 +std::unordered_map emplace & find std::string;_mean 3459756 ns 3459769 ns 4 +std::unordered_map emplace & find std::string;_median 3450948 ns 3450961 ns 4 +std::unordered_map emplace & find std::string;_stddev 48808 ns 48805 ns 4 +std::unordered_map emplace & find std::string;_cv 1.41 % 1.41 % 4 +hashStrMapA emplace & find ssa;_mean 3732175 ns 3732184 ns 4 +hashStrMapA emplace & find ssa;_median 3724329 ns 3724337 ns 4 +hashStrMapA emplace & find ssa;_stddev 33009 ns 33011 ns 4 +hashStrMapA emplace & find ssa;_cv 0.88 % 0.88 % 4 +std::unordered_map emplace & find std::string_view;_mean 4165106 ns 4165116 ns 4 +std::unordered_map emplace & find std::string_view;_median 4053998 ns 4054006 ns 4 +std::unordered_map emplace & find std::string_view;_stddev 289772 ns 289775 ns 4 +std::unordered_map emplace & find std::string_view;_cv 6.96 % 6.96 % 4 ----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Build func full name std::string;_mean 916 ns 916 ns 4 -Build func full name std::string;_median 910 ns 910 ns 4 -Build func full name std::string;_stddev 21.5 ns 21.5 ns 4 -Build func full name std::string;_cv 2.35 % 2.35 % 4 -Build func full name std::string 1;_mean 1081 ns 1081 ns 4 -Build func full name std::string 1;_median 1017 ns 1017 ns 4 -Build func full name std::string 1;_stddev 134 ns 134 ns 4 -Build func full name std::string 1;_cv 12.40 % 12.40 % 4 -Build func full name std::stream;_mean 2581 ns 2581 ns 4 -Build func full name std::stream;_median 2562 ns 2562 ns 4 -Build func full name std::stream;_stddev 61.9 ns 61.9 ns 4 -Build func full name std::stream;_cv 2.40 % 2.40 % 4 -Build func full name stringa;_mean 478 ns 478 ns 4 -Build func full name stringa;_median 479 ns 479 ns 4 -Build func full name stringa;_stddev 29.9 ns 29.9 ns 4 -Build func full name stringa;_cv 6.25 % 6.25 % 4 -Build func full name stringa 1;_mean 710 ns 710 ns 4 -Build func full name stringa 1;_median 705 ns 705 ns 4 -Build func full name stringa 1;_stddev 31.5 ns 31.5 ns 4 -Build func full name stringa 1;_cv 4.44 % 4.44 % 4 +Build func full name std::string;_mean 1064 ns 1064 ns 4 +Build func full name std::string;_median 1061 ns 1061 ns 4 +Build func full name std::string;_stddev 12.6 ns 12.6 ns 4 +Build func full name std::string;_cv 1.18 % 1.18 % 4 +Build func full name std::string 1;_mean 1133 ns 1133 ns 4 +Build func full name std::string 1;_median 1137 ns 1137 ns 4 +Build func full name std::string 1;_stddev 35.9 ns 35.9 ns 4 +Build func full name std::string 1;_cv 3.17 % 3.17 % 4 +Build func full name std::stream;_mean 2789 ns 2789 ns 4 +Build func full name std::stream;_median 2800 ns 2800 ns 4 +Build func full name std::stream;_stddev 141 ns 141 ns 4 +Build func full name std::stream;_cv 5.05 % 5.05 % 4 +Build func full name stringa;_mean 575 ns 575 ns 4 +Build func full name stringa;_median 574 ns 574 ns 4 +Build func full name stringa;_stddev 15.4 ns 15.4 ns 4 +Build func full name stringa;_cv 2.68 % 2.68 % 4 +Build func full name stringa 1;_mean 897 ns 897 ns 4 +Build func full name stringa 1;_median 896 ns 896 ns 4 +Build func full name stringa 1;_stddev 13.8 ns 13.8 ns 4 +Build func full name stringa 1;_cv 1.54 % 1.54 % 4 diff --git a/bench/results/002-Xeon E5-2682 v4, Windows 10, Clang-19.txt b/bench/results/002-Xeon E5-2682 v4, Windows 10, Clang-19.txt index aa72af0..25dca56 100644 --- a/bench/results/002-Xeon E5-2682 v4, Windows 10, Clang-19.txt +++ b/bench/results/002-Xeon E5-2682 v4, Windows 10, Clang-19.txt @@ -1,8 +1,8 @@ -Benchmarks of simstr, version 1.6.3 +Benchmarks of simstr, version 1.6.4 Sources: https://github.com/orefkov/simstr Results: https://orefkov.github.io/simstr/results.html -2026-02-03T16:39:37+03:00 +2026-02-04T17:07:18+03:00 Running benchStr.exe Run on (32 X 2494 MHz CPU s) CPU Caches: @@ -14,908 +14,916 @@ CPU Caches: Benchmark Time CPU Iterations -------------------------------------------------------------------------------------------------------------------------------------------------------- ----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string and number by std to std::string_mean 266 ns 265 ns 4 -Concat std::string and number by std to std::string_median 266 ns 264 ns 4 -Concat std::string and number by std to std::string_stddev 2.52 ns 3.14 ns 4 -Concat std::string and number by std to std::string_cv 0.95 % 1.18 % 4 -Concat std::string and number by StrExpr to std::string_mean 159 ns 159 ns 4 -Concat std::string and number by StrExpr to std::string_median 157 ns 157 ns 4 -Concat std::string and number by StrExpr to std::string_stddev 11.1 ns 9.23 ns 4 -Concat std::string and number by StrExpr to std::string_cv 6.95 % 5.81 % 4 -Concat stringa and number by StrExpr to simstr::stringa_mean 67.5 ns 67.5 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_median 67.1 ns 67.0 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_stddev 1.68 ns 1.05 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_cv 2.48 % 1.55 % 4 -Concat stringa and number by e_concat to simstr::stringa_mean 75.4 ns 75.4 ns 4 -Concat stringa and number by e_concat to simstr::stringa_median 73.8 ns 74.1 ns 4 -Concat stringa and number by e_concat to simstr::stringa_stddev 3.63 ns 3.30 ns 4 -Concat stringa and number by e_concat to simstr::stringa_cv 4.82 % 4.38 % 4 +Concat std::string and number by std to std::string_mean 264 ns 264 ns 4 +Concat std::string and number by std to std::string_median 264 ns 264 ns 4 +Concat std::string and number by std to std::string_stddev 4.78 ns 3.42 ns 4 +Concat std::string and number by std to std::string_cv 1.81 % 1.30 % 4 +Concat std::string and number by StrExpr to std::string_mean 148 ns 147 ns 4 +Concat std::string and number by StrExpr to std::string_median 148 ns 146 ns 4 +Concat std::string and number by StrExpr to std::string_stddev 2.46 ns 1.74 ns 4 +Concat std::string and number by StrExpr to std::string_cv 1.66 % 1.18 % 4 +Concat stringa and number by StrExpr to simstr::stringa_mean 68.5 ns 68.7 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_median 68.3 ns 68.4 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_stddev 0.583 ns 0.698 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_cv 0.85 % 1.02 % 4 +Concat stringa and number by e_concat to simstr::stringa_mean 75.6 ns 75.4 ns 4 +Concat stringa and number by e_concat to simstr::stringa_median 75.2 ns 75.0 ns 4 +Concat stringa and number by e_concat to simstr::stringa_stddev 1.31 ns 2.19 ns 4 +Concat stringa and number by e_concat to simstr::stringa_cv 1.74 % 2.91 % 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 731 ns 728 ns 4 -Concat std::string and format hex number and literal to std::string_median 731 ns 724 ns 4 -Concat std::string and format hex number and literal to std::string_stddev 12.3 ns 16.7 ns 4 -Concat std::string and format hex number and literal to std::string_cv 1.68 % 2.29 % 4 -std::format std::string and hex number by literal to std::string_mean 1524 ns 1526 ns 4 -std::format std::string and hex number by literal to std::string_median 1486 ns 1482 ns 4 -std::format std::string and hex number by literal to std::string_stddev 108 ns 125 ns 4 -std::format std::string and hex number by literal to std::string_cv 7.11 % 8.21 % 4 +Concat std::string and format hex number and literal to std::string_mean 714 ns 715 ns 4 +Concat std::string and format hex number and literal to std::string_median 713 ns 724 ns 4 +Concat std::string and format hex number and literal to std::string_stddev 13.3 ns 24.7 ns 4 +Concat std::string and format hex number and literal to std::string_cv 1.86 % 3.45 % 4 +std::format std::string and hex number by literal to std::string_mean 1483 ns 1483 ns 4 +std::format std::string and hex number by literal to std::string_median 1475 ns 1475 ns 4 +std::format std::string and hex number by literal to std::string_stddev 44.6 ns 47.1 ns 4 +std::format std::string and hex number by literal to std::string_cv 3.01 % 3.17 % 4 Concat std::string and std::to_chars and string to std::string_mean 191 ns 190 ns 4 -Concat std::string and std::to_chars and string to std::string_median 192 ns 188 ns 4 -Concat std::string and std::to_chars and string to std::string_stddev 3.67 ns 4.19 ns 4 -Concat std::string and std::to_chars and string to std::string_cv 1.92 % 2.20 % 4 -Concat std::string and hex number and literal by StrExpr to std::string_mean 80.0 ns 79.8 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_median 79.1 ns 78.5 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_stddev 2.50 ns 2.62 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_cv 3.13 % 3.28 % 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 75.0 ns 74.6 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 74.2 ns 73.9 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 5.57 ns 6.19 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 7.42 % 8.29 % 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 80.4 ns 80.7 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_median 80.9 ns 81.1 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 1.25 ns 1.67 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 1.56 % 2.07 % 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_mean 148 ns 148 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_median 147 ns 148 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 4.28 ns 4.71 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_cv 2.88 % 3.17 % 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 295 ns 295 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 294 ns 295 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 2.85 ns 5.13 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 0.97 % 1.74 % 4 +Concat std::string and std::to_chars and string to std::string_median 191 ns 190 ns 4 +Concat std::string and std::to_chars and string to std::string_stddev 2.18 ns 0.000 ns 4 +Concat std::string and std::to_chars and string to std::string_cv 1.14 % 0.00 % 4 +Concat std::string and hex number and literal by StrExpr to std::string_mean 78.8 ns 78.9 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_median 79.0 ns 79.3 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_stddev 1.13 ns 1.67 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_cv 1.43 % 2.12 % 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 74.3 ns 74.1 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 72.0 ns 72.4 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 5.99 ns 5.42 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 8.07 % 7.32 % 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 81.0 ns 80.7 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_median 81.0 ns 81.1 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 1.90 ns 1.67 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 2.34 % 2.07 % 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_mean 149 ns 149 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_median 149 ns 149 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 1.77 ns 1.81 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_cv 1.18 % 1.22 % 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 305 ns 305 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 305 ns 305 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 19.2 ns 19.5 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 6.29 % 6.40 % 4 ----- format/vformat and subst/vsubst octal number ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_mean 162 ns 162 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_median 156 ns 157 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_stddev 13.8 ns 12.9 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_cv 8.48 % 7.95 % 4 -std::format("art {:#010o} end", i)_mean 1369 ns 1374 ns 4 -std::format("art {:#010o} end", i)_median 1369 ns 1367 ns 4 -std::format("art {:#010o} end", i)_stddev 35.8 ns 41.9 ns 4 -std::format("art {:#010o} end", i)_cv 2.62 % 3.05 % 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_mean 305 ns 307 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_median 304 ns 309 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_stddev 6.35 ns 7.68 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_cv 2.08 % 2.50 % 4 -std::vformat(pattern, std::make_format_args(i))_mean 1373 ns 1374 ns 4 -std::vformat(pattern, std::make_format_args(i))_median 1362 ns 1367 ns 4 -std::vformat(pattern, std::make_format_args(i))_stddev 33.3 ns 35.1 ns 4 -std::vformat(pattern, std::make_format_args(i))_cv 2.43 % 2.55 % 4 +"art "_ss + i / 0x8a010_fmt + " end"_mean 108 ns 108 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_median 108 ns 107 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_stddev 6.17 ns 7.01 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_cv 5.70 % 6.49 % 4 +e_subst("art {} end", i / 0x8a010_fmt)_mean 188 ns 189 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_median 182 ns 181 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_stddev 23.9 ns 23.5 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_cv 12.66 % 12.45 % 4 +e_vsubst(pattern, i / 0x8a010_fmt)_mean 315 ns 317 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_median 316 ns 318 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_stddev 9.05 ns 13.1 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_cv 2.87 % 4.14 % 4 +std::format("art {:#010o} end", i)_mean 1364 ns 1365 ns 4 +std::format("art {:#010o} end", i)_median 1366 ns 1365 ns 4 +std::format("art {:#010o} end", i)_stddev 22.3 ns 18.1 ns 4 +std::format("art {:#010o} end", i)_cv 1.64 % 1.33 % 4 +std::vformat(pattern, std::make_format_args(i))_mean 1391 ns 1395 ns 4 +std::vformat(pattern, std::make_format_args(i))_median 1394 ns 1395 ns 4 +std::vformat(pattern, std::make_format_args(i))_stddev 33.8 ns 22.8 ns 4 +std::vformat(pattern, std::make_format_args(i))_cv 2.43 % 1.63 % 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 6488 ns 6487 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 6488 ns 6557 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 88.7 ns 140 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 1.37 % 2.15 % 4 ----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string by std to std::string_mean 40.9 ns 41.0 ns 4 -Concat std::string by std to std::string_median 40.8 ns 41.0 ns 4 -Concat std::string by std to std::string_stddev 0.654 ns 0.544 ns 4 -Concat std::string by std to std::string_cv 1.60 % 1.33 % 4 -Concat std::string by StrExpr to std::string_mean 40.7 ns 40.8 ns 4 -Concat std::string by StrExpr to std::string_median 40.3 ns 40.8 ns 4 -Concat std::string by StrExpr to std::string_stddev 1.70 ns 2.22 ns 4 -Concat std::string by StrExpr to std::string_cv 4.19 % 5.44 % 4 -Concat stringa by StrExpr to stringa_mean 29.0 ns 29.0 ns 4 -Concat stringa by StrExpr to stringa_median 29.0 ns 28.8 ns 4 -Concat stringa by StrExpr to stringa_stddev 0.238 ns 0.634 ns 4 -Concat stringa by StrExpr to stringa_cv 0.82 % 2.19 % 4 +Concat std::string by std to std::string_mean 41.1 ns 41.0 ns 4 +Concat std::string by std to std::string_median 39.3 ns 39.4 ns 4 +Concat std::string by std to std::string_stddev 5.33 ns 4.93 ns 4 +Concat std::string by std to std::string_cv 12.95 % 12.02 % 4 +Concat std::string by StrExpr to std::string_mean 38.6 ns 38.7 ns 4 +Concat std::string by StrExpr to std::string_median 38.7 ns 38.5 ns 4 +Concat std::string by StrExpr to std::string_stddev 0.438 ns 0.419 ns 4 +Concat std::string by StrExpr to std::string_cv 1.13 % 1.08 % 4 +Concat stringa by StrExpr to stringa_mean 29.2 ns 29.2 ns 4 +Concat stringa by StrExpr to stringa_median 28.5 ns 28.8 ns 4 +Concat stringa by StrExpr to stringa_stddev 1.89 ns 1.95 ns 4 +Concat stringa by StrExpr to stringa_cv 6.47 % 6.69 % 4 ----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Find concat three std::string_mean 204 ns 204 ns 4 -Find concat three std::string_median 206 ns 205 ns 4 -Find concat three std::string_stddev 5.12 ns 5.27 ns 4 -Find concat three std::string_cv 2.51 % 2.58 % 4 -Find concat three strexpr_mean 113 ns 113 ns 4 -Find concat three strexpr_median 113 ns 112 ns 4 -Find concat three strexpr_stddev 2.49 ns 1.22 ns 4 -Find concat three strexpr_cv 2.20 % 1.08 % 4 -Find concat three simstr_mean 21.3 ns 21.2 ns 4 -Find concat three simstr_median 21.3 ns 21.2 ns 4 -Find concat three simstr_stddev 0.208 ns 0.282 ns 4 -Find concat three simstr_cv 0.98 % 1.33 % 4 +Find concat three std::string_mean 205 ns 206 ns 4 +Find concat three std::string_median 204 ns 205 ns 4 +Find concat three std::string_stddev 4.81 ns 6.28 ns 4 +Find concat three std::string_cv 2.34 % 3.05 % 4 +Find concat three strexpr_mean 120 ns 121 ns 4 +Find concat three strexpr_median 121 ns 121 ns 4 +Find concat three strexpr_stddev 5.11 ns 5.81 ns 4 +Find concat three strexpr_cv 4.25 % 4.81 % 4 +Find concat three simstr_mean 29.1 ns 29.1 ns 4 +Find concat three simstr_median 28.4 ns 28.3 ns 4 +Find concat three simstr_stddev 1.93 ns 2.00 ns 4 +Find concat three simstr_cv 6.62 % 6.88 % 4 ----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -BuildTypeNameStr 0/0_mean 8.16 ns 8.16 ns 4 -BuildTypeNameStr 0/0_median 8.20 ns 8.16 ns 4 -BuildTypeNameStr 0/0_stddev 0.075 ns 0.000 ns 4 -BuildTypeNameStr 0/0_cv 0.91 % 0.00 % 4 -BuildTypeNameExp 0/0_mean 7.66 ns 7.67 ns 4 -BuildTypeNameExp 0/0_median 7.64 ns 7.67 ns 4 -BuildTypeNameExp 0/0_stddev 0.100 ns 0.142 ns 4 -BuildTypeNameExp 0/0_cv 1.31 % 1.86 % 4 -BuildTypeNameSim 0/0_mean 7.73 ns 7.72 ns 4 -BuildTypeNameSim 0/0_median 7.75 ns 7.67 ns 4 -BuildTypeNameSim 0/0_stddev 0.075 ns 0.087 ns 4 -BuildTypeNameSim 0/0_cv 0.97 % 1.13 % 4 -BuildTypeNameStr 10/10_mean 59.7 ns 59.6 ns 4 -BuildTypeNameStr 10/10_median 59.6 ns 59.3 ns 4 -BuildTypeNameStr 10/10_stddev 0.699 ns 1.34 ns 4 -BuildTypeNameStr 10/10_cv 1.17 % 2.24 % 4 +BuildTypeNameStr 0/0_mean 8.48 ns 8.44 ns 4 +BuildTypeNameStr 0/0_median 8.38 ns 8.44 ns 4 +BuildTypeNameStr 0/0_stddev 0.326 ns 0.299 ns 4 +BuildTypeNameStr 0/0_cv 3.85 % 3.54 % 4 +BuildTypeNameExp 0/0_mean 7.67 ns 7.63 ns 4 +BuildTypeNameExp 0/0_median 7.68 ns 7.67 ns 4 +BuildTypeNameExp 0/0_stddev 0.145 ns 0.219 ns 4 +BuildTypeNameExp 0/0_cv 1.90 % 2.88 % 4 +BuildTypeNameSim 0/0_mean 7.67 ns 7.67 ns 4 +BuildTypeNameSim 0/0_median 7.68 ns 7.67 ns 4 +BuildTypeNameSim 0/0_stddev 0.127 ns 0.201 ns 4 +BuildTypeNameSim 0/0_cv 1.65 % 2.62 % 4 +BuildTypeNameStr 10/10_mean 60.0 ns 60.0 ns 4 +BuildTypeNameStr 10/10_median 58.5 ns 58.6 ns 4 +BuildTypeNameStr 10/10_stddev 3.03 ns 2.79 ns 4 +BuildTypeNameStr 10/10_cv 5.06 % 4.65 % 4 BuildTypeNameExp 10/10_mean 32.4 ns 32.4 ns 4 -BuildTypeNameExp 10/10_median 32.5 ns 32.8 ns 4 -BuildTypeNameExp 10/10_stddev 0.647 ns 0.698 ns 4 -BuildTypeNameExp 10/10_cv 2.00 % 2.15 % 4 -BuildTypeNameSim 10/10_mean 25.6 ns 25.5 ns 4 -BuildTypeNameSim 10/10_median 24.9 ns 24.9 ns 4 -BuildTypeNameSim 10/10_stddev 1.85 ns 1.58 ns 4 -BuildTypeNameSim 10/10_cv 7.22 % 6.18 % 4 +BuildTypeNameExp 10/10_median 32.6 ns 32.1 ns 4 +BuildTypeNameExp 10/10_stddev 0.546 ns 0.698 ns 4 +BuildTypeNameExp 10/10_cv 1.68 % 2.15 % 4 +BuildTypeNameSim 10/10_mean 24.9 ns 24.9 ns 4 +BuildTypeNameSim 10/10_median 24.8 ns 24.6 ns 4 +BuildTypeNameSim 10/10_stddev 0.355 ns 0.523 ns 4 +BuildTypeNameSim 10/10_cv 1.43 % 2.11 % 4 ----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat with replace str_mean 349 ns 348 ns 4 -Concat with replace str_median 356 ns 358 ns 4 -Concat with replace str_stddev 25.1 ns 28.3 ns 4 -Concat with replace str_cv 7.19 % 8.12 % 4 -Concat with replace exp_mean 229 ns 229 ns 4 -Concat with replace exp_median 227 ns 227 ns 4 -Concat with replace exp_stddev 16.0 ns 16.8 ns 4 -Concat with replace exp_cv 6.97 % 7.32 % 4 +Concat with replace str_mean 314 ns 314 ns 4 +Concat with replace str_median 306 ns 304 ns 4 +Concat with replace str_stddev 24.1 ns 25.6 ns 4 +Concat with replace str_cv 7.68 % 8.16 % 4 +Concat with replace exp_mean 213 ns 212 ns 4 +Concat with replace exp_median 213 ns 212 ns 4 +Concat with replace exp_stddev 3.03 ns 2.82 ns 4 +Concat with replace exp_cv 1.42 % 1.33 % 4 ----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e;_mean 1.13 ns 1.12 ns 4 -std::string e;_median 1.13 ns 1.12 ns 4 -std::string e;_stddev 0.024 ns 0.040 ns 4 -std::string e;_cv 2.11 % 3.55 % 4 -std::string_view e;_mean 0.364 ns 0.362 ns 4 -std::string_view e;_median 0.365 ns 0.360 ns 4 -std::string_view e;_stddev 0.006 ns 0.004 ns 4 -std::string_view e;_cv 1.61 % 1.16 % 4 -ssa e;_mean 0.357 ns 0.357 ns 4 -ssa e;_median 0.357 ns 0.357 ns 4 -ssa e;_stddev 0.003 ns 0.005 ns 4 -ssa e;_cv 0.83 % 1.30 % 4 -stringa e;_mean 0.742 ns 0.741 ns 4 -stringa e;_median 0.740 ns 0.732 ns 4 -stringa e;_stddev 0.010 ns 0.017 ns 4 -stringa e;_cv 1.36 % 2.35 % 4 -lstringa<20> e;_mean 1.11 ns 1.10 ns 4 -lstringa<20> e;_median 1.12 ns 1.10 ns 4 -lstringa<20> e;_stddev 0.026 ns 0.020 ns 4 -lstringa<20> e;_cv 2.35 % 1.81 % 4 -lstringa<40> e;_mean 1.11 ns 1.11 ns 4 -lstringa<40> e;_median 1.12 ns 1.11 ns 4 -lstringa<40> e;_stddev 0.025 ns 0.032 ns 4 -lstringa<40> e;_cv 2.20 % 2.84 % 4 +std::string e;_mean 1.12 ns 1.12 ns 4 +std::string e;_median 1.11 ns 1.11 ns 4 +std::string e;_stddev 0.046 ns 0.023 ns 4 +std::string e;_cv 4.08 % 2.09 % 4 +std::string_view e;_mean 0.378 ns 0.377 ns 4 +std::string_view e;_median 0.378 ns 0.377 ns 4 +std::string_view e;_stddev 0.019 ns 0.019 ns 4 +std::string_view e;_cv 5.06 % 4.91 % 4 +ssa e;_mean 0.377 ns 0.376 ns 4 +ssa e;_median 0.374 ns 0.372 ns 4 +ssa e;_stddev 0.017 ns 0.011 ns 4 +ssa e;_cv 4.43 % 2.89 % 4 +stringa e;_mean 0.734 ns 0.732 ns 4 +stringa e;_median 0.724 ns 0.724 ns 4 +stringa e;_stddev 0.036 ns 0.038 ns 4 +stringa e;_cv 4.93 % 5.14 % 4 +lstringa<20> e;_mean 1.09 ns 1.09 ns 4 +lstringa<20> e;_median 1.10 ns 1.10 ns 4 +lstringa<20> e;_stddev 0.009 ns 0.012 ns 4 +lstringa<20> e;_cv 0.80 % 1.12 % 4 +lstringa<40> e;_mean 1.07 ns 1.07 ns 4 +lstringa<40> e;_median 1.07 ns 1.07 ns 4 +lstringa<40> e;_stddev 0.007 ns 0.010 ns 4 +lstringa<40> e;_cv 0.64 % 0.98 % 4 ----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000 std::string e = "Test text";_mean 1.80 ns 1.80 ns 4 -std::string e = "Test text";_median 1.79 ns 1.78 ns 4 -std::string e = "Test text";_stddev 0.039 ns 0.059 ns 4 -std::string e = "Test text";_cv 2.19 % 3.29 % 4 -std::string_view e = "Test text";_mean 0.730 ns 0.732 ns 4 -std::string_view e = "Test text";_median 0.731 ns 0.732 ns 4 -std::string_view e = "Test text";_stddev 0.010 ns 0.008 ns 4 -std::string_view e = "Test text";_cv 1.42 % 1.10 % 4 -ssa e = "Test text";_mean 0.368 ns 0.367 ns 4 -ssa e = "Test text";_median 0.362 ns 0.361 ns 4 -ssa e = "Test text";_stddev 0.017 ns 0.018 ns 4 -ssa e = "Test text";_cv 4.68 % 4.85 % 4 -stringa e = "Test text";_mean 1.11 ns 1.10 ns 4 +std::string e = "Test text";_median 1.80 ns 1.80 ns 4 +std::string e = "Test text";_stddev 0.020 ns 0.031 ns 4 +std::string e = "Test text";_cv 1.14 % 1.74 % 4 +std::string_view e = "Test text";_mean 0.723 ns 0.724 ns 4 +std::string_view e = "Test text";_median 0.725 ns 0.724 ns 4 +std::string_view e = "Test text";_stddev 0.005 ns 0.010 ns 4 +std::string_view e = "Test text";_cv 0.74 % 1.39 % 4 +ssa e = "Test text";_mean 0.364 ns 0.362 ns 4 +ssa e = "Test text";_median 0.360 ns 0.360 ns 4 +ssa e = "Test text";_stddev 0.010 ns 0.011 ns 4 +ssa e = "Test text";_cv 2.75 % 2.91 % 4 +stringa e = "Test text";_mean 1.09 ns 1.09 ns 4 stringa e = "Test text";_median 1.10 ns 1.09 ns 4 -stringa e = "Test text";_stddev 0.030 ns 0.035 ns 4 -stringa e = "Test text";_cv 2.70 % 3.14 % 4 -lstringa<20> e = "Test text";_mean 1.84 ns 1.84 ns 4 -lstringa<20> e = "Test text";_median 1.84 ns 1.86 ns 4 -lstringa<20> e = "Test text";_stddev 0.048 ns 0.059 ns 4 -lstringa<20> e = "Test text";_cv 2.60 % 3.21 % 4 -lstringa<40> e = "Test text";_mean 1.83 ns 1.82 ns 4 -lstringa<40> e = "Test text";_median 1.83 ns 1.82 ns 4 -lstringa<40> e = "Test text";_stddev 0.009 ns 0.022 ns 4 -lstringa<40> e = "Test text";_cv 0.49 % 1.22 % 4 +stringa e = "Test text";_stddev 0.026 ns 0.023 ns 4 +stringa e = "Test text";_cv 2.36 % 2.14 % 4 +lstringa<20> e = "Test text";_mean 1.80 ns 1.79 ns 4 +lstringa<20> e = "Test text";_median 1.79 ns 1.80 ns 4 +lstringa<20> e = "Test text";_stddev 0.025 ns 0.019 ns 4 +lstringa<20> e = "Test text";_cv 1.41 % 1.07 % 4 +lstringa<40> e = "Test text";_mean 1.82 ns 1.82 ns 4 +lstringa<40> e = "Test text";_median 1.82 ns 1.82 ns 4 +lstringa<40> e = "Test text";_stddev 0.022 ns 0.022 ns 4 +lstringa<40> e = "Test text";_cv 1.21 % 1.22 % 4 ----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890";_mean 70.1 ns 70.1 ns 4 -std::string e = "123456789012345678901234567890";_median 70.4 ns 70.5 ns 4 -std::string e = "123456789012345678901234567890";_stddev 1.35 ns 2.38 ns 4 -std::string e = "123456789012345678901234567890";_cv 1.93 % 3.40 % 4 -std::string_view e = "123456789012345678901234567890";_mean 0.757 ns 0.760 ns 4 -std::string_view e = "123456789012345678901234567890";_median 0.757 ns 0.760 ns 4 -std::string_view e = "123456789012345678901234567890";_stddev 0.027 ns 0.033 ns 4 -std::string_view e = "123456789012345678901234567890";_cv 3.50 % 4.37 % 4 -ssa e = "123456789012345678901234567890";_mean 0.391 ns 0.391 ns 4 -ssa e = "123456789012345678901234567890";_median 0.397 ns 0.398 ns 4 -ssa e = "123456789012345678901234567890";_stddev 0.019 ns 0.022 ns 4 -ssa e = "123456789012345678901234567890";_cv 4.74 % 5.63 % 4 -stringa e = "123456789012345678901234567890";_mean 1.12 ns 1.12 ns 4 -stringa e = "123456789012345678901234567890";_median 1.13 ns 1.12 ns 4 -stringa e = "123456789012345678901234567890";_stddev 0.040 ns 0.031 ns 4 -stringa e = "123456789012345678901234567890";_cv 3.57 % 2.75 % 4 -lstringa<20> e = "123456789012345678901234567890";_mean 76.9 ns 77.2 ns 4 -lstringa<20> e = "123456789012345678901234567890";_median 76.8 ns 77.6 ns 4 -lstringa<20> e = "123456789012345678901234567890";_stddev 1.59 ns 1.67 ns 4 -lstringa<20> e = "123456789012345678901234567890";_cv 2.07 % 2.16 % 4 -lstringa<40> e = "123456789012345678901234567890";_mean 2.56 ns 2.55 ns 4 -lstringa<40> e = "123456789012345678901234567890";_median 2.53 ns 2.55 ns 4 -lstringa<40> e = "123456789012345678901234567890";_stddev 0.064 ns 0.048 ns 4 -lstringa<40> e = "123456789012345678901234567890";_cv 2.50 % 1.90 % 4 +std::string e = "123456789012345678901234567890";_mean 71.3 ns 71.1 ns 4 +std::string e = "123456789012345678901234567890";_median 71.0 ns 70.1 ns 4 +std::string e = "123456789012345678901234567890";_stddev 1.76 ns 2.96 ns 4 +std::string e = "123456789012345678901234567890";_cv 2.47 % 4.16 % 4 +std::string_view e = "123456789012345678901234567890";_mean 0.722 ns 0.715 ns 4 +std::string_view e = "123456789012345678901234567890";_median 0.721 ns 0.715 ns 4 +std::string_view e = "123456789012345678901234567890";_stddev 0.012 ns 0.000 ns 4 +std::string_view e = "123456789012345678901234567890";_cv 1.67 % 0.00 % 4 +ssa e = "123456789012345678901234567890";_mean 0.373 ns 0.364 ns 4 +ssa e = "123456789012345678901234567890";_median 0.371 ns 0.361 ns 4 +ssa e = "123456789012345678901234567890";_stddev 0.017 ns 0.013 ns 4 +ssa e = "123456789012345678901234567890";_cv 4.47 % 3.65 % 4 +stringa e = "123456789012345678901234567890";_mean 1.10 ns 1.10 ns 4 +stringa e = "123456789012345678901234567890";_median 1.11 ns 1.10 ns 4 +stringa e = "123456789012345678901234567890";_stddev 0.008 ns 0.016 ns 4 +stringa e = "123456789012345678901234567890";_cv 0.72 % 1.46 % 4 +lstringa<20> e = "123456789012345678901234567890";_mean 71.0 ns 71.1 ns 4 +lstringa<20> e = "123456789012345678901234567890";_median 71.1 ns 71.1 ns 4 +lstringa<20> e = "123456789012345678901234567890";_stddev 0.903 ns 1.14 ns 4 +lstringa<20> e = "123456789012345678901234567890";_cv 1.27 % 1.60 % 4 +lstringa<40> e = "123456789012345678901234567890";_mean 2.51 ns 2.51 ns 4 +lstringa<40> e = "123456789012345678901234567890";_median 2.51 ns 2.49 ns 4 +lstringa<40> e = "123456789012345678901234567890";_stddev 0.019 ns 0.030 ns 4 +lstringa<40> e = "123456789012345678901234567890";_cv 0.77 % 1.18 % 4 ----- Create copy of Str with 9 symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "Test text"; auto c{e};_mean 1.82 ns 1.82 ns 4 -std::string e = "Test text"; auto c{e};_median 1.81 ns 1.82 ns 4 -std::string e = "Test text"; auto c{e};_stddev 0.021 ns 0.024 ns 4 -std::string e = "Test text"; auto c{e};_cv 1.18 % 1.33 % 4 -std::string_view e = "Test text"; auto c{e};_mean 0.369 ns 0.369 ns 4 -std::string_view e = "Test text"; auto c{e};_median 0.362 ns 0.361 ns 4 -std::string_view e = "Test text"; auto c{e};_stddev 0.019 ns 0.016 ns 4 -std::string_view e = "Test text"; auto c{e};_cv 5.17 % 4.35 % 4 -ssa e = "Test text"; auto c{e};_mean 0.365 ns 0.365 ns 4 -ssa e = "Test text"; auto c{e};_median 0.361 ns 0.361 ns 4 -ssa e = "Test text"; auto c{e};_stddev 0.009 ns 0.008 ns 4 -ssa e = "Test text"; auto c{e};_cv 2.50 % 2.20 % 4 -stringa e = "Test text"; auto c{e};_mean 1.28 ns 1.28 ns 4 -stringa e = "Test text"; auto c{e};_median 1.29 ns 1.28 ns 4 -stringa e = "Test text"; auto c{e};_stddev 0.019 ns 0.023 ns 4 -stringa e = "Test text"; auto c{e};_cv 1.50 % 1.77 % 4 -lstringa<20> e = "Test text"; auto c{e};_mean 4.77 ns 4.73 ns 4 -lstringa<20> e = "Test text"; auto c{e};_median 4.81 ns 4.76 ns 4 -lstringa<20> e = "Test text"; auto c{e};_stddev 0.109 ns 0.100 ns 4 -lstringa<20> e = "Test text"; auto c{e};_cv 2.29 % 2.12 % 4 -lstringa<40> e = "Test text"; auto c{e};_mean 4.89 ns 4.84 ns 4 -lstringa<40> e = "Test text"; auto c{e};_median 4.88 ns 4.81 ns 4 -lstringa<40> e = "Test text"; auto c{e};_stddev 0.192 ns 0.223 ns 4 -lstringa<40> e = "Test text"; auto c{e};_cv 3.93 % 4.61 % 4 +std::string e = "Test text"; auto c{e};_mean 2.01 ns 2.01 ns 4 +std::string e = "Test text"; auto c{e};_median 2.00 ns 2.01 ns 4 +std::string e = "Test text"; auto c{e};_stddev 0.221 ns 0.223 ns 4 +std::string e = "Test text"; auto c{e};_cv 10.98 % 11.05 % 4 +std::string_view e = "Test text"; auto c{e};_mean 0.383 ns 0.381 ns 4 +std::string_view e = "Test text"; auto c{e};_median 0.382 ns 0.379 ns 4 +std::string_view e = "Test text"; auto c{e};_stddev 0.016 ns 0.022 ns 4 +std::string_view e = "Test text"; auto c{e};_cv 4.26 % 5.71 % 4 +ssa e = "Test text"; auto c{e};_mean 0.373 ns 0.374 ns 4 +ssa e = "Test text"; auto c{e};_median 0.370 ns 0.372 ns 4 +ssa e = "Test text"; auto c{e};_stddev 0.008 ns 0.011 ns 4 +ssa e = "Test text"; auto c{e};_cv 2.27 % 3.05 % 4 +stringa e = "Test text"; auto c{e};_mean 1.34 ns 1.34 ns 4 +stringa e = "Test text"; auto c{e};_median 1.31 ns 1.31 ns 4 +stringa e = "Test text"; auto c{e};_stddev 0.101 ns 0.097 ns 4 +stringa e = "Test text"; auto c{e};_cv 7.50 % 7.22 % 4 +lstringa<20> e = "Test text"; auto c{e};_mean 5.05 ns 5.04 ns 4 +lstringa<20> e = "Test text"; auto c{e};_median 5.05 ns 5.00 ns 4 +lstringa<20> e = "Test text"; auto c{e};_stddev 0.035 ns 0.078 ns 4 +lstringa<20> e = "Test text"; auto c{e};_cv 0.69 % 1.55 % 4 +lstringa<40> e = "Test text"; auto c{e};_mean 5.12 ns 5.12 ns 4 +lstringa<40> e = "Test text"; auto c{e};_median 5.14 ns 5.08 ns 4 +lstringa<40> e = "Test text"; auto c{e};_stddev 0.114 ns 0.150 ns 4 +lstringa<40> e = "Test text"; auto c{e};_cv 2.23 % 2.92 % 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 70.6 ns 70.5 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_median 69.9 ns 69.8 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.36 ns 1.40 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.93 % 1.98 % 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.726 ns 0.719 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.726 ns 0.715 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.009 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.24 % 1.21 % 4 -ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.362 ns 0.363 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_median 0.361 ns 0.365 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.005 ns 0.008 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.50 % 2.12 % 4 -stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.82 ns 1.82 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_median 1.81 ns 1.82 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.044 ns 0.054 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_cv 2.40 % 2.97 % 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 77.5 ns 77.8 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 77.6 ns 77.4 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.891 ns 1.34 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 1.15 % 1.72 % 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.61 ns 4.61 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.61 ns 4.64 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.183 ns 0.167 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 3.98 % 3.61 % 4 +std::string e = "123456789012345678901234567890"; auto c{e};_mean 71.5 ns 71.1 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_median 71.3 ns 70.6 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.39 ns 1.67 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.95 % 2.35 % 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 0.719 ns 0.722 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_median 0.722 ns 0.725 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.008 ns 0.007 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.16 % 0.97 % 4 +ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.365 ns 0.365 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_median 0.360 ns 0.361 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.010 ns 0.008 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.74 % 2.20 % 4 +stringa e = "123456789012345678901234567890"; auto c{e};_mean 1.83 ns 1.83 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_median 1.84 ns 1.84 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.028 ns 0.021 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.53 % 1.14 % 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 71.3 ns 71.5 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 71.5 ns 71.5 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 1.12 ns 1.42 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 1.57 % 1.99 % 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 4.74 ns 4.77 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 4.71 ns 4.69 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.162 ns 0.156 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 3.42 % 3.28 % 4 ----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find;_mean 40.9 ns 41.0 ns 4 -std::string::find;_median 40.0 ns 39.9 ns 4 -std::string::find;_stddev 2.46 ns 2.41 ns 4 -std::string::find;_cv 6.00 % 5.89 % 4 -std::string_view::find;_mean 38.2 ns 38.3 ns 4 -std::string_view::find;_median 38.2 ns 38.1 ns 4 -std::string_view::find;_stddev 0.813 ns 0.801 ns 4 -std::string_view::find;_cv 2.13 % 2.09 % 4 -ssa::find;_mean 19.1 ns 19.0 ns 4 -ssa::find;_median 18.4 ns 18.4 ns 4 -ssa::find;_stddev 1.88 ns 1.89 ns 4 -ssa::find;_cv 9.83 % 9.91 % 4 -stringa::find;_mean 17.5 ns 17.6 ns 4 -stringa::find;_median 17.5 ns 17.6 ns 4 -stringa::find;_stddev 0.091 ns 0.000 ns 4 -stringa::find;_cv 0.52 % 0.00 % 4 -lstringa<20>::find;_mean 18.2 ns 18.2 ns 4 -lstringa<20>::find;_median 18.1 ns 18.0 ns 4 -lstringa<20>::find;_stddev 0.937 ns 0.735 ns 4 -lstringa<20>::find;_cv 5.14 % 4.03 % 4 -lstringa<40>::find;_mean 17.4 ns 17.4 ns 4 -lstringa<40>::find;_median 17.4 ns 17.3 ns 4 -lstringa<40>::find;_stddev 0.188 ns 0.192 ns 4 -lstringa<40>::find;_cv 1.08 % 1.10 % 4 +std::string::find;_mean 39.1 ns 39.0 ns 4 +std::string::find;_median 39.2 ns 39.0 ns 4 +std::string::find;_stddev 0.285 ns 0.740 ns 4 +std::string::find;_cv 0.73 % 1.90 % 4 +std::string_view::find;_mean 38.7 ns 38.7 ns 4 +std::string_view::find;_median 38.4 ns 38.5 ns 4 +std::string_view::find;_stddev 0.812 ns 1.05 ns 4 +std::string_view::find;_cv 2.10 % 2.72 % 4 +ssa::find;_mean 17.4 ns 17.4 ns 4 +ssa::find;_median 17.4 ns 17.4 ns 4 +ssa::find;_stddev 0.293 ns 0.540 ns 4 +ssa::find;_cv 1.68 % 3.11 % 4 +stringa::find;_mean 18.4 ns 18.4 ns 4 +stringa::find;_median 18.5 ns 18.4 ns 4 +stringa::find;_stddev 0.338 ns 0.342 ns 4 +stringa::find;_cv 1.83 % 1.86 % 4 +lstringa<20>::find;_mean 17.4 ns 17.3 ns 4 +lstringa<20>::find;_median 17.3 ns 17.3 ns 4 +lstringa<20>::find;_stddev 0.486 ns 0.282 ns 4 +lstringa<20>::find;_cv 2.80 % 1.63 % 4 +lstringa<40>::find;_mean 17.5 ns 17.5 ns 4 +lstringa<40>::find;_median 17.5 ns 17.6 ns 4 +lstringa<40>::find;_stddev 0.167 ns 0.209 ns 4 +lstringa<40>::find;_cv 0.96 % 1.20 % 4 ------- Copy not literal Str with N symbols ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 std::string copy{str_with_len_N};/15_mean 1.84 ns 1.83 ns 4 -std::string copy{str_with_len_N};/15_median 1.79 ns 1.76 ns 4 -std::string copy{str_with_len_N};/15_stddev 0.110 ns 0.134 ns 4 -std::string copy{str_with_len_N};/15_cv 5.99 % 7.33 % 4 -std::string copy{str_with_len_N};/16_mean 79.1 ns 78.9 ns 4 -std::string copy{str_with_len_N};/16_median 77.5 ns 77.6 ns 4 -std::string copy{str_with_len_N};/16_stddev 4.26 ns 4.59 ns 4 -std::string copy{str_with_len_N};/16_cv 5.39 % 5.81 % 4 -std::string copy{str_with_len_N};/23_mean 78.4 ns 78.5 ns 4 -std::string copy{str_with_len_N};/23_median 77.8 ns 78.5 ns 4 -std::string copy{str_with_len_N};/23_stddev 1.57 ns 1.42 ns 4 -std::string copy{str_with_len_N};/23_cv 2.00 % 1.81 % 4 -std::string copy{str_with_len_N};/24_mean 78.1 ns 78.0 ns 4 -std::string copy{str_with_len_N};/24_median 77.0 ns 76.7 ns 4 -std::string copy{str_with_len_N};/24_stddev 5.27 ns 5.40 ns 4 -std::string copy{str_with_len_N};/24_cv 6.75 % 6.92 % 4 -std::string copy{str_with_len_N};/32_mean 79.2 ns 79.3 ns 4 -std::string copy{str_with_len_N};/32_median 78.8 ns 79.3 ns 4 -std::string copy{str_with_len_N};/32_stddev 1.18 ns 1.01 ns 4 -std::string copy{str_with_len_N};/32_cv 1.48 % 1.27 % 4 -std::string copy{str_with_len_N};/64_mean 80.3 ns 80.7 ns 4 -std::string copy{str_with_len_N};/64_median 80.0 ns 80.2 ns 4 -std::string copy{str_with_len_N};/64_stddev 1.43 ns 0.872 ns 4 -std::string copy{str_with_len_N};/64_cv 1.78 % 1.08 % 4 -std::string copy{str_with_len_N};/128_mean 83.2 ns 82.8 ns 4 -std::string copy{str_with_len_N};/128_median 83.2 ns 82.0 ns 4 -std::string copy{str_with_len_N};/128_stddev 1.38 ns 1.74 ns 4 -std::string copy{str_with_len_N};/128_cv 1.65 % 2.11 % 4 -std::string copy{str_with_len_N};/256_mean 86.7 ns 86.8 ns 4 -std::string copy{str_with_len_N};/256_median 86.8 ns 87.2 ns 4 -std::string copy{str_with_len_N};/256_stddev 2.38 ns 2.62 ns 4 -std::string copy{str_with_len_N};/256_cv 2.75 % 3.02 % 4 -std::string copy{str_with_len_N};/512_mean 87.1 ns 86.8 ns 4 -std::string copy{str_with_len_N};/512_median 87.0 ns 86.8 ns 4 -std::string copy{str_with_len_N};/512_stddev 0.370 ns 1.21 ns 4 -std::string copy{str_with_len_N};/512_cv 0.43 % 1.39 % 4 -std::string copy{str_with_len_N};/1024_mean 98.2 ns 97.8 ns 4 -std::string copy{str_with_len_N};/1024_median 98.9 ns 98.4 ns 4 -std::string copy{str_with_len_N};/1024_stddev 1.63 ns 1.05 ns 4 -std::string copy{str_with_len_N};/1024_cv 1.66 % 1.07 % 4 -std::string copy{str_with_len_N};/2048_mean 131 ns 130 ns 4 -std::string copy{str_with_len_N};/2048_median 131 ns 130 ns 4 -std::string copy{str_with_len_N};/2048_stddev 4.54 ns 4.77 ns 4 -std::string copy{str_with_len_N};/2048_cv 3.47 % 3.65 % 4 -std::string copy{str_with_len_N};/4096_mean 178 ns 178 ns 4 -std::string copy{str_with_len_N};/4096_median 179 ns 178 ns 4 -std::string copy{str_with_len_N};/4096_stddev 2.20 ns 2.22 ns 4 -std::string copy{str_with_len_N};/4096_cv 1.23 % 1.24 % 4 -stringa copy{str_with_len_N};/15_mean 1.40 ns 1.40 ns 4 -stringa copy{str_with_len_N};/15_median 1.41 ns 1.41 ns 4 -stringa copy{str_with_len_N};/15_stddev 0.075 ns 0.090 ns 4 -stringa copy{str_with_len_N};/15_cv 5.35 % 6.42 % 4 -stringa copy{str_with_len_N};/16_mean 1.38 ns 1.37 ns 4 -stringa copy{str_with_len_N};/16_median 1.38 ns 1.37 ns 4 -stringa copy{str_with_len_N};/16_stddev 0.068 ns 0.086 ns 4 -stringa copy{str_with_len_N};/16_cv 4.90 % 6.29 % 4 -stringa copy{str_with_len_N};/23_mean 1.31 ns 1.31 ns 4 -stringa copy{str_with_len_N};/23_median 1.31 ns 1.30 ns 4 -stringa copy{str_with_len_N};/23_stddev 0.028 ns 0.039 ns 4 -stringa copy{str_with_len_N};/23_cv 2.13 % 3.01 % 4 +std::string copy{str_with_len_N};/15_median 1.80 ns 1.80 ns 4 +std::string copy{str_with_len_N};/15_stddev 0.092 ns 0.093 ns 4 +std::string copy{str_with_len_N};/15_cv 4.98 % 5.07 % 4 +std::string copy{str_with_len_N};/16_mean 76.4 ns 76.3 ns 4 +std::string copy{str_with_len_N};/16_median 76.8 ns 76.7 ns 4 +std::string copy{str_with_len_N};/16_stddev 1.21 ns 0.872 ns 4 +std::string copy{str_with_len_N};/16_cv 1.59 % 1.14 % 4 +std::string copy{str_with_len_N};/23_mean 75.4 ns 75.0 ns 4 +std::string copy{str_with_len_N};/23_median 75.1 ns 75.0 ns 4 +std::string copy{str_with_len_N};/23_stddev 0.921 ns 1.42 ns 4 +std::string copy{str_with_len_N};/23_cv 1.22 % 1.90 % 4 +std::string copy{str_with_len_N};/24_mean 75.1 ns 75.3 ns 4 +std::string copy{str_with_len_N};/24_median 75.2 ns 76.0 ns 4 +std::string copy{str_with_len_N};/24_stddev 1.24 ns 1.97 ns 4 +std::string copy{str_with_len_N};/24_cv 1.66 % 2.62 % 4 +std::string copy{str_with_len_N};/32_mean 81.4 ns 81.6 ns 4 +std::string copy{str_with_len_N};/32_median 81.4 ns 81.6 ns 4 +std::string copy{str_with_len_N};/32_stddev 1.19 ns 1.71 ns 4 +std::string copy{str_with_len_N};/32_cv 1.46 % 2.09 % 4 +std::string copy{str_with_len_N};/64_mean 81.7 ns 81.5 ns 4 +std::string copy{str_with_len_N};/64_median 81.5 ns 81.1 ns 4 +std::string copy{str_with_len_N};/64_stddev 1.28 ns 1.67 ns 4 +std::string copy{str_with_len_N};/64_cv 1.57 % 2.05 % 4 +std::string copy{str_with_len_N};/128_mean 84.3 ns 84.1 ns 4 +std::string copy{str_with_len_N};/128_median 84.2 ns 83.7 ns 4 +std::string copy{str_with_len_N};/128_stddev 2.87 ns 2.62 ns 4 +std::string copy{str_with_len_N};/128_cv 3.40 % 3.11 % 4 +std::string copy{str_with_len_N};/256_mean 83.9 ns 83.7 ns 4 +std::string copy{str_with_len_N};/256_median 83.8 ns 83.7 ns 4 +std::string copy{str_with_len_N};/256_stddev 0.612 ns 1.42 ns 4 +std::string copy{str_with_len_N};/256_cv 0.73 % 1.70 % 4 +std::string copy{str_with_len_N};/512_mean 88.5 ns 87.9 ns 4 +std::string copy{str_with_len_N};/512_median 88.4 ns 87.9 ns 4 +std::string copy{str_with_len_N};/512_stddev 3.37 ns 3.82 ns 4 +std::string copy{str_with_len_N};/512_cv 3.80 % 4.35 % 4 +std::string copy{str_with_len_N};/1024_mean 91.4 ns 91.6 ns 4 +std::string copy{str_with_len_N};/1024_median 89.5 ns 88.9 ns 4 +std::string copy{str_with_len_N};/1024_stddev 5.26 ns 5.23 ns 4 +std::string copy{str_with_len_N};/1024_cv 5.75 % 5.71 % 4 +std::string copy{str_with_len_N};/2048_mean 128 ns 128 ns 4 +std::string copy{str_with_len_N};/2048_median 128 ns 129 ns 4 +std::string copy{str_with_len_N};/2048_stddev 1.59 ns 1.57 ns 4 +std::string copy{str_with_len_N};/2048_cv 1.24 % 1.23 % 4 +std::string copy{str_with_len_N};/4096_mean 178 ns 177 ns 4 +std::string copy{str_with_len_N};/4096_median 179 ns 176 ns 4 +std::string copy{str_with_len_N};/4096_stddev 2.75 ns 1.92 ns 4 +std::string copy{str_with_len_N};/4096_cv 1.55 % 1.08 % 4 +stringa copy{str_with_len_N};/15_mean 1.33 ns 1.32 ns 4 +stringa copy{str_with_len_N};/15_median 1.29 ns 1.27 ns 4 +stringa copy{str_with_len_N};/15_stddev 0.103 ns 0.108 ns 4 +stringa copy{str_with_len_N};/15_cv 7.72 % 8.17 % 4 +stringa copy{str_with_len_N};/16_mean 1.28 ns 1.28 ns 4 +stringa copy{str_with_len_N};/16_median 1.26 ns 1.26 ns 4 +stringa copy{str_with_len_N};/16_stddev 0.061 ns 0.056 ns 4 +stringa copy{str_with_len_N};/16_cv 4.76 % 4.35 % 4 +stringa copy{str_with_len_N};/23_mean 1.27 ns 1.26 ns 4 +stringa copy{str_with_len_N};/23_median 1.28 ns 1.26 ns 4 +stringa copy{str_with_len_N};/23_stddev 0.023 ns 0.023 ns 4 +stringa copy{str_with_len_N};/23_cv 1.80 % 1.81 % 4 stringa copy{str_with_len_N};/24_mean 15.8 ns 15.8 ns 4 stringa copy{str_with_len_N};/24_median 15.8 ns 15.7 ns 4 -stringa copy{str_with_len_N};/24_stddev 0.089 ns 0.174 ns 4 -stringa copy{str_with_len_N};/24_cv 0.56 % 1.10 % 4 -stringa copy{str_with_len_N};/32_mean 15.9 ns 15.9 ns 4 -stringa copy{str_with_len_N};/32_median 15.9 ns 15.9 ns 4 -stringa copy{str_with_len_N};/32_stddev 0.216 ns 0.201 ns 4 -stringa copy{str_with_len_N};/32_cv 1.36 % 1.27 % 4 -stringa copy{str_with_len_N};/64_mean 16.0 ns 16.0 ns 4 -stringa copy{str_with_len_N};/64_median 15.9 ns 15.9 ns 4 -stringa copy{str_with_len_N};/64_stddev 0.370 ns 0.367 ns 4 -stringa copy{str_with_len_N};/64_cv 2.31 % 2.29 % 4 -stringa copy{str_with_len_N};/128_mean 15.9 ns 15.9 ns 4 -stringa copy{str_with_len_N};/128_median 15.9 ns 15.9 ns 4 -stringa copy{str_with_len_N};/128_stddev 0.061 ns 0.201 ns 4 -stringa copy{str_with_len_N};/128_cv 0.38 % 1.27 % 4 -stringa copy{str_with_len_N};/256_mean 15.8 ns 15.7 ns 4 +stringa copy{str_with_len_N};/24_stddev 0.076 ns 0.174 ns 4 +stringa copy{str_with_len_N};/24_cv 0.48 % 1.10 % 4 +stringa copy{str_with_len_N};/32_mean 15.8 ns 15.8 ns 4 +stringa copy{str_with_len_N};/32_median 15.8 ns 15.7 ns 4 +stringa copy{str_with_len_N};/32_stddev 0.068 ns 0.174 ns 4 +stringa copy{str_with_len_N};/32_cv 0.43 % 1.10 % 4 +stringa copy{str_with_len_N};/64_mean 16.0 ns 15.9 ns 4 +stringa copy{str_with_len_N};/64_median 16.0 ns 15.9 ns 4 +stringa copy{str_with_len_N};/64_stddev 0.080 ns 0.222 ns 4 +stringa copy{str_with_len_N};/64_cv 0.50 % 1.39 % 4 +stringa copy{str_with_len_N};/128_mean 16.0 ns 16.1 ns 4 +stringa copy{str_with_len_N};/128_median 16.0 ns 16.1 ns 4 +stringa copy{str_with_len_N};/128_stddev 0.185 ns 0.000 ns 4 +stringa copy{str_with_len_N};/128_cv 1.16 % 0.00 % 4 +stringa copy{str_with_len_N};/256_mean 16.0 ns 15.9 ns 4 stringa copy{str_with_len_N};/256_median 15.8 ns 15.7 ns 4 -stringa copy{str_with_len_N};/256_stddev 0.071 ns 0.000 ns 4 -stringa copy{str_with_len_N};/256_cv 0.45 % 0.00 % 4 -stringa copy{str_with_len_N};/512_mean 15.8 ns 15.8 ns 4 -stringa copy{str_with_len_N};/512_median 15.8 ns 15.9 ns 4 -stringa copy{str_with_len_N};/512_stddev 0.133 ns 0.334 ns 4 -stringa copy{str_with_len_N};/512_cv 0.84 % 2.12 % 4 +stringa copy{str_with_len_N};/256_stddev 0.535 ns 0.665 ns 4 +stringa copy{str_with_len_N};/256_cv 3.35 % 4.17 % 4 +stringa copy{str_with_len_N};/512_mean 15.8 ns 15.7 ns 4 +stringa copy{str_with_len_N};/512_median 15.8 ns 15.7 ns 4 +stringa copy{str_with_len_N};/512_stddev 0.067 ns 0.000 ns 4 +stringa copy{str_with_len_N};/512_cv 0.43 % 0.00 % 4 stringa copy{str_with_len_N};/1024_mean 15.8 ns 15.8 ns 4 stringa copy{str_with_len_N};/1024_median 15.8 ns 15.7 ns 4 -stringa copy{str_with_len_N};/1024_stddev 0.150 ns 0.174 ns 4 -stringa copy{str_with_len_N};/1024_cv 0.95 % 1.10 % 4 -stringa copy{str_with_len_N};/2048_mean 16.0 ns 16.0 ns 4 +stringa copy{str_with_len_N};/1024_stddev 0.193 ns 0.174 ns 4 +stringa copy{str_with_len_N};/1024_cv 1.22 % 1.10 % 4 +stringa copy{str_with_len_N};/2048_mean 15.9 ns 16.0 ns 4 stringa copy{str_with_len_N};/2048_median 15.9 ns 16.0 ns 4 -stringa copy{str_with_len_N};/2048_stddev 0.213 ns 0.285 ns 4 -stringa copy{str_with_len_N};/2048_cv 1.33 % 1.77 % 4 -stringa copy{str_with_len_N};/4096_mean 15.8 ns 15.8 ns 4 +stringa copy{str_with_len_N};/2048_stddev 0.204 ns 0.174 ns 4 +stringa copy{str_with_len_N};/2048_cv 1.28 % 1.09 % 4 +stringa copy{str_with_len_N};/4096_mean 15.7 ns 15.8 ns 4 stringa copy{str_with_len_N};/4096_median 15.8 ns 15.7 ns 4 -stringa copy{str_with_len_N};/4096_stddev 0.050 ns 0.174 ns 4 -stringa copy{str_with_len_N};/4096_cv 0.31 % 1.10 % 4 -lstringa<16> copy{str_with_len_N};/15_mean 4.58 ns 4.57 ns 4 -lstringa<16> copy{str_with_len_N};/15_median 4.51 ns 4.47 ns 4 -lstringa<16> copy{str_with_len_N};/15_stddev 0.219 ns 0.224 ns 4 -lstringa<16> copy{str_with_len_N};/15_cv 4.79 % 4.91 % 4 -lstringa<16> copy{str_with_len_N};/16_mean 4.38 ns 4.39 ns 4 -lstringa<16> copy{str_with_len_N};/16_median 4.39 ns 4.39 ns 4 -lstringa<16> copy{str_with_len_N};/16_stddev 0.054 ns 0.080 ns 4 -lstringa<16> copy{str_with_len_N};/16_cv 1.23 % 1.81 % 4 -lstringa<16> copy{str_with_len_N};/23_mean 4.49 ns 4.48 ns 4 -lstringa<16> copy{str_with_len_N};/23_median 4.48 ns 4.50 ns 4 -lstringa<16> copy{str_with_len_N};/23_stddev 0.185 ns 0.173 ns 4 -lstringa<16> copy{str_with_len_N};/23_cv 4.12 % 3.86 % 4 -lstringa<16> copy{str_with_len_N};/24_mean 75.0 ns 75.0 ns 4 -lstringa<16> copy{str_with_len_N};/24_median 74.6 ns 75.0 ns 4 -lstringa<16> copy{str_with_len_N};/24_stddev 1.89 ns 1.42 ns 4 -lstringa<16> copy{str_with_len_N};/24_cv 2.52 % 1.90 % 4 -lstringa<16> copy{str_with_len_N};/32_mean 77.2 ns 76.7 ns 4 -lstringa<16> copy{str_with_len_N};/32_median 77.6 ns 77.6 ns 4 -lstringa<16> copy{str_with_len_N};/32_stddev 2.35 ns 2.47 ns 4 -lstringa<16> copy{str_with_len_N};/32_cv 3.04 % 3.21 % 4 -lstringa<16> copy{str_with_len_N};/64_mean 77.8 ns 77.6 ns 4 -lstringa<16> copy{str_with_len_N};/64_median 78.1 ns 77.6 ns 4 -lstringa<16> copy{str_with_len_N};/64_stddev 1.43 ns 2.25 ns 4 -lstringa<16> copy{str_with_len_N};/64_cv 1.83 % 2.90 % 4 -lstringa<16> copy{str_with_len_N};/128_mean 83.5 ns 83.3 ns 4 -lstringa<16> copy{str_with_len_N};/128_median 83.5 ns 82.8 ns 4 -lstringa<16> copy{str_with_len_N};/128_stddev 1.21 ns 1.67 ns 4 -lstringa<16> copy{str_with_len_N};/128_cv 1.45 % 2.01 % 4 -lstringa<16> copy{str_with_len_N};/256_mean 84.3 ns 84.1 ns 4 -lstringa<16> copy{str_with_len_N};/256_median 83.8 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/256_stddev 2.34 ns 2.19 ns 4 -lstringa<16> copy{str_with_len_N};/256_cv 2.78 % 2.61 % 4 -lstringa<16> copy{str_with_len_N};/512_mean 83.5 ns 83.2 ns 4 -lstringa<16> copy{str_with_len_N};/512_median 83.0 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/512_stddev 1.69 ns 1.05 ns 4 -lstringa<16> copy{str_with_len_N};/512_cv 2.02 % 1.26 % 4 -lstringa<16> copy{str_with_len_N};/1024_mean 93.8 ns 94.2 ns 4 -lstringa<16> copy{str_with_len_N};/1024_median 93.8 ns 95.2 ns 4 -lstringa<16> copy{str_with_len_N};/1024_stddev 3.83 ns 5.13 ns 4 -lstringa<16> copy{str_with_len_N};/1024_cv 4.08 % 5.44 % 4 +stringa copy{str_with_len_N};/4096_stddev 0.028 ns 0.174 ns 4 +stringa copy{str_with_len_N};/4096_cv 0.18 % 1.10 % 4 +lstringa<16> copy{str_with_len_N};/15_mean 5.10 ns 5.12 ns 4 +lstringa<16> copy{str_with_len_N};/15_median 5.10 ns 5.16 ns 4 +lstringa<16> copy{str_with_len_N};/15_stddev 0.045 ns 0.078 ns 4 +lstringa<16> copy{str_with_len_N};/15_cv 0.88 % 1.53 % 4 +lstringa<16> copy{str_with_len_N};/16_mean 5.71 ns 5.70 ns 4 +lstringa<16> copy{str_with_len_N};/16_median 5.70 ns 5.70 ns 4 +lstringa<16> copy{str_with_len_N};/16_stddev 0.390 ns 0.372 ns 4 +lstringa<16> copy{str_with_len_N};/16_cv 6.84 % 6.52 % 4 +lstringa<16> copy{str_with_len_N};/23_mean 5.81 ns 5.82 ns 4 +lstringa<16> copy{str_with_len_N};/23_median 5.94 ns 5.93 ns 4 +lstringa<16> copy{str_with_len_N};/23_stddev 0.393 ns 0.367 ns 4 +lstringa<16> copy{str_with_len_N};/23_cv 6.77 % 6.30 % 4 +lstringa<16> copy{str_with_len_N};/24_mean 84.0 ns 84.1 ns 4 +lstringa<16> copy{str_with_len_N};/24_median 82.1 ns 82.0 ns 4 +lstringa<16> copy{str_with_len_N};/24_stddev 5.87 ns 5.58 ns 4 +lstringa<16> copy{str_with_len_N};/24_cv 6.98 % 6.64 % 4 +lstringa<16> copy{str_with_len_N};/32_mean 84.7 ns 85.0 ns 4 +lstringa<16> copy{str_with_len_N};/32_median 84.3 ns 84.6 ns 4 +lstringa<16> copy{str_with_len_N};/32_stddev 2.38 ns 2.98 ns 4 +lstringa<16> copy{str_with_len_N};/32_cv 2.81 % 3.50 % 4 +lstringa<16> copy{str_with_len_N};/64_mean 81.1 ns 81.1 ns 4 +lstringa<16> copy{str_with_len_N};/64_median 81.2 ns 81.1 ns 4 +lstringa<16> copy{str_with_len_N};/64_stddev 1.62 ns 1.01 ns 4 +lstringa<16> copy{str_with_len_N};/64_cv 1.99 % 1.24 % 4 +lstringa<16> copy{str_with_len_N};/128_mean 85.1 ns 85.1 ns 4 +lstringa<16> copy{str_with_len_N};/128_median 81.9 ns 82.3 ns 4 +lstringa<16> copy{str_with_len_N};/128_stddev 7.11 ns 6.64 ns 4 +lstringa<16> copy{str_with_len_N};/128_cv 8.36 % 7.80 % 4 +lstringa<16> copy{str_with_len_N};/256_mean 85.4 ns 85.3 ns 4 +lstringa<16> copy{str_with_len_N};/256_median 85.7 ns 84.8 ns 4 +lstringa<16> copy{str_with_len_N};/256_stddev 2.34 ns 2.00 ns 4 +lstringa<16> copy{str_with_len_N};/256_cv 2.74 % 2.35 % 4 +lstringa<16> copy{str_with_len_N};/512_mean 88.6 ns 88.5 ns 4 +lstringa<16> copy{str_with_len_N};/512_median 88.7 ns 88.9 ns 4 +lstringa<16> copy{str_with_len_N};/512_stddev 1.86 ns 2.19 ns 4 +lstringa<16> copy{str_with_len_N};/512_cv 2.10 % 2.48 % 4 +lstringa<16> copy{str_with_len_N};/1024_mean 92.6 ns 92.9 ns 4 +lstringa<16> copy{str_with_len_N};/1024_median 92.8 ns 92.4 ns 4 +lstringa<16> copy{str_with_len_N};/1024_stddev 1.28 ns 0.872 ns 4 +lstringa<16> copy{str_with_len_N};/1024_cv 1.38 % 0.94 % 4 lstringa<16> copy{str_with_len_N};/2048_mean 132 ns 132 ns 4 -lstringa<16> copy{str_with_len_N};/2048_median 133 ns 133 ns 4 -lstringa<16> copy{str_with_len_N};/2048_stddev 4.86 ns 4.77 ns 4 -lstringa<16> copy{str_with_len_N};/2048_cv 3.68 % 3.61 % 4 -lstringa<16> copy{str_with_len_N};/4096_mean 188 ns 188 ns 4 +lstringa<16> copy{str_with_len_N};/2048_median 131 ns 131 ns 4 +lstringa<16> copy{str_with_len_N};/2048_stddev 3.67 ns 3.51 ns 4 +lstringa<16> copy{str_with_len_N};/2048_cv 2.78 % 2.66 % 4 +lstringa<16> copy{str_with_len_N};/4096_mean 186 ns 185 ns 4 lstringa<16> copy{str_with_len_N};/4096_median 189 ns 188 ns 4 -lstringa<16> copy{str_with_len_N};/4096_stddev 3.18 ns 3.42 ns 4 -lstringa<16> copy{str_with_len_N};/4096_cv 1.69 % 1.81 % 4 -lstringa<512> copy{str_with_len_N};/15_mean 4.86 ns 4.87 ns 4 -lstringa<512> copy{str_with_len_N};/15_median 4.83 ns 4.81 ns 4 -lstringa<512> copy{str_with_len_N};/15_stddev 0.216 ns 0.234 ns 4 -lstringa<512> copy{str_with_len_N};/15_cv 4.45 % 4.80 % 4 -lstringa<512> copy{str_with_len_N};/16_mean 4.96 ns 4.95 ns 4 -lstringa<512> copy{str_with_len_N};/16_median 4.90 ns 4.92 ns 4 -lstringa<512> copy{str_with_len_N};/16_stddev 0.324 ns 0.357 ns 4 -lstringa<512> copy{str_with_len_N};/16_cv 6.53 % 7.22 % 4 -lstringa<512> copy{str_with_len_N};/23_mean 4.86 ns 4.84 ns 4 -lstringa<512> copy{str_with_len_N};/23_median 4.82 ns 4.81 ns 4 -lstringa<512> copy{str_with_len_N};/23_stddev 0.159 ns 0.157 ns 4 -lstringa<512> copy{str_with_len_N};/23_cv 3.27 % 3.24 % 4 -lstringa<512> copy{str_with_len_N};/24_mean 4.99 ns 5.00 ns 4 -lstringa<512> copy{str_with_len_N};/24_median 4.89 ns 4.92 ns 4 -lstringa<512> copy{str_with_len_N};/24_stddev 0.343 ns 0.395 ns 4 -lstringa<512> copy{str_with_len_N};/24_cv 6.89 % 7.91 % 4 -lstringa<512> copy{str_with_len_N};/32_mean 8.65 ns 8.68 ns 4 -lstringa<512> copy{str_with_len_N};/32_median 8.90 ns 8.89 ns 4 -lstringa<512> copy{str_with_len_N};/32_stddev 0.561 ns 0.498 ns 4 -lstringa<512> copy{str_with_len_N};/32_cv 6.48 % 5.74 % 4 -lstringa<512> copy{str_with_len_N};/64_mean 7.99 ns 7.98 ns 4 -lstringa<512> copy{str_with_len_N};/64_median 7.93 ns 7.93 ns 4 -lstringa<512> copy{str_with_len_N};/64_stddev 0.323 ns 0.360 ns 4 -lstringa<512> copy{str_with_len_N};/64_cv 4.04 % 4.51 % 4 -lstringa<512> copy{str_with_len_N};/128_mean 8.09 ns 8.06 ns 4 -lstringa<512> copy{str_with_len_N};/128_median 8.10 ns 8.06 ns 4 -lstringa<512> copy{str_with_len_N};/128_stddev 0.222 ns 0.121 ns 4 -lstringa<512> copy{str_with_len_N};/128_cv 2.74 % 1.50 % 4 -lstringa<512> copy{str_with_len_N};/256_mean 9.30 ns 9.21 ns 4 -lstringa<512> copy{str_with_len_N};/256_median 9.26 ns 9.21 ns 4 -lstringa<512> copy{str_with_len_N};/256_stddev 0.268 ns 0.171 ns 4 -lstringa<512> copy{str_with_len_N};/256_cv 2.88 % 1.86 % 4 -lstringa<512> copy{str_with_len_N};/512_mean 11.0 ns 10.9 ns 4 -lstringa<512> copy{str_with_len_N};/512_median 10.9 ns 10.7 ns 4 -lstringa<512> copy{str_with_len_N};/512_stddev 0.656 ns 0.831 ns 4 -lstringa<512> copy{str_with_len_N};/512_cv 5.96 % 7.61 % 4 -lstringa<512> copy{str_with_len_N};/1024_mean 99.1 ns 98.4 ns 4 -lstringa<512> copy{str_with_len_N};/1024_median 99.2 ns 98.4 ns 4 -lstringa<512> copy{str_with_len_N};/1024_stddev 2.52 ns 1.71 ns 4 -lstringa<512> copy{str_with_len_N};/1024_cv 2.54 % 1.74 % 4 -lstringa<512> copy{str_with_len_N};/2048_mean 132 ns 132 ns 4 -lstringa<512> copy{str_with_len_N};/2048_median 134 ns 134 ns 4 -lstringa<512> copy{str_with_len_N};/2048_stddev 4.61 ns 6.59 ns 4 -lstringa<512> copy{str_with_len_N};/2048_cv 3.49 % 5.00 % 4 -lstringa<512> copy{str_with_len_N};/4096_mean 184 ns 183 ns 4 -lstringa<512> copy{str_with_len_N};/4096_median 185 ns 184 ns 4 -lstringa<512> copy{str_with_len_N};/4096_stddev 1.96 ns 2.09 ns 4 -lstringa<512> copy{str_with_len_N};/4096_cv 1.07 % 1.14 % 4 +lstringa<16> copy{str_with_len_N};/4096_stddev 5.96 ns 5.75 ns 4 +lstringa<16> copy{str_with_len_N};/4096_cv 3.20 % 3.11 % 4 +lstringa<512> copy{str_with_len_N};/15_mean 5.06 ns 5.04 ns 4 +lstringa<512> copy{str_with_len_N};/15_median 5.07 ns 5.00 ns 4 +lstringa<512> copy{str_with_len_N};/15_stddev 0.035 ns 0.078 ns 4 +lstringa<512> copy{str_with_len_N};/15_cv 0.69 % 1.55 % 4 +lstringa<512> copy{str_with_len_N};/16_mean 5.16 ns 5.16 ns 4 +lstringa<512> copy{str_with_len_N};/16_median 5.10 ns 5.00 ns 4 +lstringa<512> copy{str_with_len_N};/16_stddev 0.212 ns 0.312 ns 4 +lstringa<512> copy{str_with_len_N};/16_cv 4.10 % 6.06 % 4 +lstringa<512> copy{str_with_len_N};/23_mean 5.01 ns 5.04 ns 4 +lstringa<512> copy{str_with_len_N};/23_median 5.01 ns 5.00 ns 4 +lstringa<512> copy{str_with_len_N};/23_stddev 0.091 ns 0.078 ns 4 +lstringa<512> copy{str_with_len_N};/23_cv 1.81 % 1.55 % 4 +lstringa<512> copy{str_with_len_N};/24_mean 5.10 ns 5.12 ns 4 +lstringa<512> copy{str_with_len_N};/24_median 5.09 ns 5.08 ns 4 +lstringa<512> copy{str_with_len_N};/24_stddev 0.083 ns 0.150 ns 4 +lstringa<512> copy{str_with_len_N};/24_cv 1.63 % 2.92 % 4 +lstringa<512> copy{str_with_len_N};/32_mean 8.45 ns 8.41 ns 4 +lstringa<512> copy{str_with_len_N};/32_median 8.16 ns 8.11 ns 4 +lstringa<512> copy{str_with_len_N};/32_stddev 0.822 ns 0.798 ns 4 +lstringa<512> copy{str_with_len_N};/32_cv 9.74 % 9.48 % 4 +lstringa<512> copy{str_with_len_N};/64_mean 8.13 ns 8.15 ns 4 +lstringa<512> copy{str_with_len_N};/64_median 7.97 ns 7.93 ns 4 +lstringa<512> copy{str_with_len_N};/64_stddev 0.441 ns 0.501 ns 4 +lstringa<512> copy{str_with_len_N};/64_cv 5.42 % 6.14 % 4 +lstringa<512> copy{str_with_len_N};/128_mean 9.99 ns 9.98 ns 4 +lstringa<512> copy{str_with_len_N};/128_median 9.80 ns 9.77 ns 4 +lstringa<512> copy{str_with_len_N};/128_stddev 0.547 ns 0.576 ns 4 +lstringa<512> copy{str_with_len_N};/128_cv 5.47 % 5.77 % 4 +lstringa<512> copy{str_with_len_N};/256_mean 9.93 ns 9.94 ns 4 +lstringa<512> copy{str_with_len_N};/256_median 9.72 ns 9.84 ns 4 +lstringa<512> copy{str_with_len_N};/256_stddev 0.644 ns 0.554 ns 4 +lstringa<512> copy{str_with_len_N};/256_cv 6.49 % 5.57 % 4 +lstringa<512> copy{str_with_len_N};/512_mean 10.8 ns 10.7 ns 4 +lstringa<512> copy{str_with_len_N};/512_median 10.8 ns 10.7 ns 4 +lstringa<512> copy{str_with_len_N};/512_stddev 0.072 ns 0.199 ns 4 +lstringa<512> copy{str_with_len_N};/512_cv 0.66 % 1.86 % 4 +lstringa<512> copy{str_with_len_N};/1024_mean 93.7 ns 94.2 ns 4 +lstringa<512> copy{str_with_len_N};/1024_median 93.3 ns 94.2 ns 4 +lstringa<512> copy{str_with_len_N};/1024_stddev 3.80 ns 4.50 ns 4 +lstringa<512> copy{str_with_len_N};/1024_cv 4.06 % 4.78 % 4 +lstringa<512> copy{str_with_len_N};/2048_mean 124 ns 124 ns 4 +lstringa<512> copy{str_with_len_N};/2048_median 125 ns 124 ns 4 +lstringa<512> copy{str_with_len_N};/2048_stddev 4.13 ns 4.83 ns 4 +lstringa<512> copy{str_with_len_N};/2048_cv 3.33 % 3.89 % 4 +lstringa<512> copy{str_with_len_N};/4096_mean 187 ns 186 ns 4 +lstringa<512> copy{str_with_len_N};/4096_median 187 ns 186 ns 4 +lstringa<512> copy{str_with_len_N};/4096_stddev 5.20 ns 5.40 ns 4 +lstringa<512> copy{str_with_len_N};/4096_cv 2.79 % 2.90 % 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 30.7 ns 30.6 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 30.8 ns 30.8 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.312 ns 0.634 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.02 % 2.07 % 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 13.7 ns 13.7 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 13.7 ns 13.7 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.339 ns 0.301 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.47 % 2.19 % 4 -stringa s = "123456789"; int res = s.to_int_mean 14.4 ns 14.4 ns 4 -stringa s = "123456789"; int res = s.to_int_median 14.4 ns 14.4 ns 4 -stringa s = "123456789"; int res = s.to_int_stddev 0.530 ns 0.581 ns 4 -stringa s = "123456789"; int res = s.to_int_cv 3.68 % 4.04 % 4 -ssa s = "123456789"; int res = s.to_int_mean 13.7 ns 13.7 ns 4 -ssa s = "123456789"; int res = s.to_int_median 13.7 ns 13.7 ns 4 -ssa s = "123456789"; int res = s.to_int_stddev 0.926 ns 0.922 ns 4 -ssa s = "123456789"; int res = s.to_int_cv 6.74 % 6.71 % 4 -lstringa<20> s = "123456789"; int res = s.to_int_mean 13.1 ns 13.0 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_median 13.1 ns 13.0 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.192 ns 0.267 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_cv 1.46 % 2.05 % 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 31.2 ns 31.3 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 30.9 ns 31.1 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.671 ns 0.834 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.15 % 2.66 % 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 13.4 ns 13.5 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 13.5 ns 13.5 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.118 ns 0.267 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 0.88 % 1.98 % 4 +stringa s = "123456789"; int res = s.to_int_mean 14.0 ns 14.0 ns 4 +stringa s = "123456789"; int res = s.to_int_median 14.0 ns 14.0 ns 4 +stringa s = "123456789"; int res = s.to_int_stddev 0.273 ns 0.405 ns 4 +stringa s = "123456789"; int res = s.to_int_cv 1.95 % 2.90 % 4 +ssa s = "123456789"; int res = s.to_int_mean 13.0 ns 12.8 ns 4 +ssa s = "123456789"; int res = s.to_int_median 12.9 ns 12.7 ns 4 +ssa s = "123456789"; int res = s.to_int_stddev 0.150 ns 0.395 ns 4 +ssa s = "123456789"; int res = s.to_int_cv 1.16 % 3.07 % 4 +lstringa<20> s = "123456789"; int res = s.to_int_mean 13.1 ns 13.1 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_median 13.0 ns 13.1 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.257 ns 0.228 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_cv 1.96 % 1.74 % 4 ----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 33.5 ns 33.7 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 33.4 ns 33.8 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.625 ns 0.668 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.86 % 1.98 % 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 8.10 ns 8.06 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 8.13 ns 8.06 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.146 ns 0.270 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.80 % 3.35 % 4 -stringa s = "abcDef"; int res = s.to_int_mean 12.0 ns 11.9 ns 4 -stringa s = "abcDef"; int res = s.to_int_median 12.0 ns 12.0 ns 4 -stringa s = "abcDef"; int res = s.to_int_stddev 0.185 ns 0.351 ns 4 -stringa s = "abcDef"; int res = s.to_int_cv 1.54 % 2.94 % 4 -ssa s = "abcDef"; int res = s.to_int_mean 12.0 ns 12.0 ns 4 -ssa s = "abcDef"; int res = s.to_int_median 11.8 ns 11.8 ns 4 -ssa s = "abcDef"; int res = s.to_int_stddev 0.699 ns 0.527 ns 4 -ssa s = "abcDef"; int res = s.to_int_cv 5.81 % 4.41 % 4 -lstringa<20> s = "abcDef"; int res = s.to_int_mean 11.7 ns 11.6 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_median 11.6 ns 11.4 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.260 ns 0.419 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_cv 2.22 % 3.59 % 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 33.4 ns 33.3 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 33.2 ns 33.0 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.712 ns 0.732 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 2.14 % 2.20 % 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 8.21 ns 8.21 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 8.22 ns 8.27 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.113 ns 0.200 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.37 % 2.44 % 4 +stringa s = "abcDef"; int res = s.to_int_mean 12.3 ns 12.3 ns 4 +stringa s = "abcDef"; int res = s.to_int_median 12.3 ns 12.3 ns 4 +stringa s = "abcDef"; int res = s.to_int_stddev 0.376 ns 0.315 ns 4 +stringa s = "abcDef"; int res = s.to_int_cv 3.06 % 2.56 % 4 +ssa s = "abcDef"; int res = s.to_int_mean 11.7 ns 11.7 ns 4 +ssa s = "abcDef"; int res = s.to_int_median 11.7 ns 11.7 ns 4 +ssa s = "abcDef"; int res = s.to_int_stddev 0.057 ns 0.000 ns 4 +ssa s = "abcDef"; int res = s.to_int_cv 0.49 % 0.00 % 4 +lstringa<20> s = "abcDef"; int res = s.to_int_mean 11.8 ns 11.7 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_median 11.8 ns 11.9 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.078 ns 0.395 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_cv 0.66 % 3.37 % 4 ----- Convert to int ' 1234567' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 43.5 ns 43.5 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 43.3 ns 43.2 ns 4 std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 43.6 ns 43.5 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 1.22 ns 1.69 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 2.82 % 3.89 % 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.992 ns 0.935 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 2.29 % 2.16 % 4 stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 17.7 ns 17.6 ns 4 stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 17.7 ns 17.6 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.621 ns 0.700 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 3.51 % 3.97 % 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 16.5 ns 16.5 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 16.5 ns 16.6 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.207 ns 0.334 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.26 % 2.03 % 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.430 ns 0.443 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 2.43 % 2.51 % 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 16.7 ns 16.7 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 16.7 ns 16.9 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.433 ns 0.384 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 2.59 % 2.30 % 4 ----- Convert to double '1234.567e10' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 100 ns 100 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 100 ns 100 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 1.50 ns 1.99 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 1.50 % 1.99 % 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 59.3 ns 59.4 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 59.1 ns 59.4 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.75 ns 1.28 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 2.94 % 2.15 % 4 -ssa s = "1234.567e10"; double res = *s.to_double()_mean 34.9 ns 34.7 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 101 ns 101 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 101 ns 101 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 2.12 ns 2.34 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 2.10 % 2.32 % 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 61.4 ns 61.5 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 61.2 ns 61.9 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.46 ns 1.67 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 2.37 % 2.72 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_mean 35.2 ns 34.9 ns 4 ssa s = "1234.567e10"; double res = *s.to_double()_median 35.1 ns 34.5 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.722 ns 0.384 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.07 % 1.10 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.645 ns 0.802 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.83 % 2.30 % 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 4829 ns 4844 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_median 4888 ns 4922 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 177 ns 221 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_cv 3.67 % 4.56 % 4 -std::string str; ... str += "abbaabbaabbaabba";_mean 1079 ns 1078 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_median 1078 ns 1078 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_stddev 7.02 ns 12.1 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_cv 0.65 % 1.12 % 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 747 ns 741 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_median 742 ns 732 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 23.7 ns 17.4 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 3.17 % 2.35 % 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 391 ns 386 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_median 386 ns 377 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 17.7 ns 26.6 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 4.52 % 6.90 % 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 238 ns 239 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_median 239 ns 240 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 2.22 ns 2.79 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 0.93 % 1.17 % 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 156 ns 156 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 155 ns 155 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 5.63 ns 5.96 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 3.60 % 3.82 % 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_mean 4811 ns 4810 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_median 4826 ns 4834 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 143 ns 167 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_cv 2.98 % 3.47 % 4 +std::string str; ... str += "abbaabbaabbaabba";_mean 1092 ns 1093 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_median 1095 ns 1099 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_stddev 21.7 ns 20.0 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_cv 1.99 % 1.83 % 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 739 ns 739 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_median 737 ns 739 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 9.89 ns 11.4 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.34 % 1.54 % 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 381 ns 379 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_median 378 ns 375 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 13.8 ns 16.7 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 3.63 % 4.40 % 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 230 ns 230 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_median 228 ns 229 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 13.7 ns 15.9 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 5.97 % 6.90 % 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 136 ns 137 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 136 ns 137 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 1.41 ns 1.81 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.04 % 1.33 % 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 4512 ns 4525 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4519 ns 4551 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 146 ns 179 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 3.23 % 3.95 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3730 ns 3730 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3690 ns 3730 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 180 ns 191 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 4.82 % 5.12 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 702 ns 701 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 702 ns 705 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 4.51 ns 13.4 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.64 % 1.91 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 448 ns 449 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 448 ns 449 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 2.51 ns 7.97 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.56 % 1.77 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 298 ns 298 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 300 ns 301 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 5.73 ns 6.28 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.93 % 2.11 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 207 ns 206 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 207 ns 206 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 1.27 ns 2.62 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.62 % 1.27 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 4701 ns 4678 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4726 ns 4703 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 199 ns 209 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 4.23 % 4.46 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3729 ns 3728 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3726 ns 3706 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 77.9 ns 83.5 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 2.09 % 2.24 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 711 ns 706 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 713 ns 706 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 13.7 ns 22.5 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.93 % 3.19 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 450 ns 449 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 449 ns 449 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 10.7 ns 7.97 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.37 % 1.77 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 302 ns 302 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 301 ns 302 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 5.45 ns 3.83 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 1.81 % 1.27 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 209 ns 209 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 210 ns 209 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 1.78 ns 0.000 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 0.85 % 0.00 % 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 217555 ns 216064 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 216601 ns 214844 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 7367 ns 7324 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.39 % 3.39 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 187292 ns 186261 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 186868 ns 188354 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2048 ns 4186 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.09 % 2.25 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 19125 ns 19043 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18961 ns 18834 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 461 ns 725 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.41 % 3.81 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16790 ns 16741 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16792 ns 16741 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 602 ns 854 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.58 % 5.10 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16182 ns 16131 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16169 ns 16044 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 290 ns 174 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.79 % 1.08 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16072 ns 16017 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16171 ns 16113 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 403 ns 483 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.51 % 3.01 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 226339 ns 225830 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 225516 ns 224609 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 2799 ns 2441 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.24 % 1.08 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 196248 ns 195679 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 190589 ns 190447 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 13733 ns 15043 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.00 % 7.69 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 18586 ns 18625 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 18560 ns 18625 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 298 ns 242 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.61 % 1.30 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16639 ns 16593 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16604 ns 16497 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 189 ns 192 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.13 % 1.16 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16065 ns 16044 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16115 ns 16044 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 348 ns 285 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.17 % 1.77 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 16783 ns 16741 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 16245 ns 16218 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1355 ns 1424 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 8.08 % 8.51 % 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 4365 ns 4332 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_median 4391 ns 4332 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_stddev 112 ns 109 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_cv 2.57 % 2.51 % 4 -std::string str; ... str += str_var1 + str_var2;_mean 3878 ns 3871 ns 4 -std::string str; ... str += str_var1 + str_var2;_median 3750 ns 3767 ns 4 -std::string str; ... str += str_var1 + str_var2;_stddev 327 ns 277 ns 4 -std::string str; ... str += str_var1 + str_var2;_cv 8.44 % 7.14 % 4 -lstringa<16> str; ... str += str_var1 + str_var2;_mean 858 ns 854 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_median 827 ns 818 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_stddev 100 ns 99.7 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_cv 11.67 % 11.66 % 4 -lstringa<128> str; ... str += str_var1 + str_var2;_mean 598 ns 598 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_median 591 ns 586 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_stddev 59.7 ns 61.7 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_cv 9.97 % 10.32 % 4 -lstringa<512> str; ... str += str_var1 + str_var2;_mean 388 ns 387 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_median 389 ns 385 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_stddev 17.7 ns 17.8 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_cv 4.56 % 4.60 % 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_mean 284 ns 284 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_median 285 ns 286 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 6.41 ns 6.01 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_cv 2.26 % 2.12 % 4 +std::stringstream str; ... str << str_var1 << str_var2;_mean 4316 ns 4296 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_median 4327 ns 4296 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_stddev 70.9 ns 55.7 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_cv 1.64 % 1.30 % 4 +std::string str; ... str += str_var1 + str_var2;_mean 3897 ns 3880 ns 4 +std::string str; ... str += str_var1 + str_var2;_median 3882 ns 3836 ns 4 +std::string str; ... str += str_var1 + str_var2;_stddev 75.9 ns 87.2 ns 4 +std::string str; ... str += str_var1 + str_var2;_cv 1.95 % 2.25 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_mean 796 ns 798 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_median 796 ns 802 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_stddev 13.0 ns 21.9 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.63 % 2.75 % 4 +lstringa<128> str; ... str += str_var1 + str_var2;_mean 516 ns 520 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_median 518 ns 523 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_stddev 8.07 ns 15.0 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_cv 1.56 % 2.88 % 4 +lstringa<512> str; ... str += str_var1 + str_var2;_mean 389 ns 389 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_median 380 ns 381 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_stddev 24.6 ns 26.0 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_cv 6.33 % 6.69 % 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_mean 287 ns 287 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_median 283 ns 286 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 15.7 ns 17.3 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_cv 5.48 % 6.02 % 4 -- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::stringstream str; str << "test = " << k << " times";_mean 10795 ns 10803 ns 4 -std::stringstream str; str << "test = " << k << " times";_median 10807 ns 10742 ns 4 -std::stringstream str; str << "test = " << k << " times";_stddev 87.9 ns 122 ns 4 -std::stringstream str; str << "test = " << k << " times";_cv 0.81 % 1.13 % 4 -std::string str = "test = " + std::to_string(k) + " times";_mean 1087 ns 1080 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_median 1089 ns 1074 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_stddev 22.4 ns 23.1 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_cv 2.06 % 2.14 % 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2794 ns 2794 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2783 ns 2794 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 28.5 ns 36.2 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.02 % 1.30 % 4 -std::string str = std::format("test = {} times", k);_mean 1897 ns 1894 ns 4 -std::string str = std::format("test = {} times", k);_median 1891 ns 1904 ns 4 -std::string str = std::format("test = {} times", k);_stddev 55.6 ns 71.5 ns 4 -std::string str = std::format("test = {} times", k);_cv 2.93 % 3.77 % 4 -lstringa<8> str; str.format("test = {} times", k);_mean 2073 ns 2074 ns 4 -lstringa<8> str; str.format("test = {} times", k);_median 2067 ns 2086 ns 4 -lstringa<8> str; str.format("test = {} times", k);_stddev 28.0 ns 22.7 ns 4 -lstringa<8> str; str.format("test = {} times", k);_cv 1.35 % 1.09 % 4 -lstringa<32> str; str.format("test = {} times", k);_mean 1100 ns 1104 ns 4 -lstringa<32> str; str.format("test = {} times", k);_median 1120 ns 1120 ns 4 -lstringa<32> str; str.format("test = {} times", k);_stddev 49.7 ns 55.0 ns 4 -lstringa<32> str; str.format("test = {} times", k);_cv 4.52 % 4.99 % 4 -lstringa<8> str = "test = " + k + " times";_mean 867 ns 854 ns 4 -lstringa<8> str = "test = " + k + " times";_median 857 ns 854 ns 4 -lstringa<8> str = "test = " + k + " times";_stddev 63.4 ns 71.9 ns 4 -lstringa<8> str = "test = " + k + " times";_cv 7.31 % 8.41 % 4 -lstringa<32> str = "test = " + k + " times";_mean 168 ns 167 ns 4 -lstringa<32> str = "test = " + k + " times";_median 167 ns 167 ns 4 -lstringa<32> str = "test = " + k + " times";_stddev 12.8 ns 14.2 ns 4 -lstringa<32> str = "test = " + k + " times";_cv 7.58 % 8.51 % 4 -stringa str = "test = " + k + " times";_mean 152 ns 152 ns 4 -stringa str = "test = " + k + " times";_median 152 ns 152 ns 4 -stringa str = "test = " + k + " times";_stddev 1.88 ns 2.22 ns 4 -stringa str = "test = " + k + " times";_cv 1.23 % 1.46 % 4 +std::stringstream str; str << "test = " << k << " times";_mean 11483 ns 11457 ns 4 +std::stringstream str; str << "test = " << k << " times";_median 10983 ns 10986 ns 4 +std::stringstream str; str << "test = " << k << " times";_stddev 1410 ns 1415 ns 4 +std::stringstream str; str << "test = " << k << " times";_cv 12.28 % 12.35 % 4 +std::string str = "test = " + std::to_string(k) + " times";_mean 1108 ns 1099 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_median 1093 ns 1074 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_stddev 93.1 ns 93.5 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_cv 8.40 % 8.51 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2766 ns 2767 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2753 ns 2750 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 84.6 ns 63.4 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 3.06 % 2.29 % 4 +std::string str = std::format("test = {} times", k);_mean 1868 ns 1873 ns 4 +std::string str = std::format("test = {} times", k);_median 1869 ns 1883 ns 4 +std::string str = std::format("test = {} times", k);_stddev 9.71 ns 20.9 ns 4 +std::string str = std::format("test = {} times", k);_cv 0.52 % 1.12 % 4 +lstringa<8> str; str.format("test = {} times", k);_mean 2065 ns 2040 ns 4 +lstringa<8> str; str.format("test = {} times", k);_median 2044 ns 2018 ns 4 +lstringa<8> str; str.format("test = {} times", k);_stddev 48.4 ns 64.1 ns 4 +lstringa<8> str; str.format("test = {} times", k);_cv 2.35 % 3.14 % 4 +lstringa<32> str; str.format("test = {} times", k);_mean 1014 ns 1007 ns 4 +lstringa<32> str; str.format("test = {} times", k);_median 1017 ns 1001 ns 4 +lstringa<32> str; str.format("test = {} times", k);_stddev 12.7 ns 12.2 ns 4 +lstringa<32> str; str.format("test = {} times", k);_cv 1.26 % 1.21 % 4 +lstringa<8> str = "test = " + k + " times";_mean 803 ns 802 ns 4 +lstringa<8> str = "test = " + k + " times";_median 806 ns 802 ns 4 +lstringa<8> str = "test = " + k + " times";_stddev 5.56 ns 0.000 ns 4 +lstringa<8> str = "test = " + k + " times";_cv 0.69 % 0.00 % 4 +lstringa<32> str = "test = " + k + " times";_mean 155 ns 156 ns 4 +lstringa<32> str = "test = " + k + " times";_median 155 ns 155 ns 4 +lstringa<32> str = "test = " + k + " times";_stddev 2.91 ns 3.01 ns 4 +lstringa<32> str = "test = " + k + " times";_cv 1.87 % 1.92 % 4 +stringa str = "test = " + k + " times";_mean 151 ns 151 ns 4 +stringa str = "test = " + k + " times";_median 150 ns 150 ns 4 +stringa str = "test = " + k + " times";_stddev 2.11 ns 1.74 ns 4 +stringa str = "test = " + k + " times";_cv 1.40 % 1.16 % 4 -- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find + substr + std::strtol_mean 550 ns 547 ns 4 -std::string::find + substr + std::strtol_median 550 ns 547 ns 4 -std::string::find + substr + std::strtol_stddev 4.67 ns 0.000 ns 4 -std::string::find + substr + std::strtol_cv 0.85 % 0.00 % 4 -ssa::splitter + ssa::as_int_mean 160 ns 160 ns 4 -ssa::splitter + ssa::as_int_median 160 ns 161 ns 4 -ssa::splitter + ssa::as_int_stddev 1.38 ns 1.92 ns 4 -ssa::splitter + ssa::as_int_cv 0.86 % 1.20 % 4 -ssa::splitf + functor_mean 198 ns 198 ns 4 -ssa::splitf + functor_median 191 ns 190 ns 4 -ssa::splitf + functor_stddev 20.9 ns 19.7 ns 4 -ssa::splitf + functor_cv 10.58 % 9.98 % 4 +std::string::find + substr + std::strtol_mean 557 ns 559 ns 4 +std::string::find + substr + std::strtol_median 559 ns 562 ns 4 +std::string::find + substr + std::strtol_stddev 20.4 ns 23.4 ns 4 +std::string::find + substr + std::strtol_cv 3.66 % 4.20 % 4 +ssa::splitter + ssa::as_int_mean 163 ns 162 ns 4 +ssa::splitter + ssa::as_int_median 163 ns 161 ns 4 +ssa::splitter + ssa::as_int_stddev 3.52 ns 4.01 ns 4 +ssa::splitter + ssa::as_int_cv 2.16 % 2.47 % 4 +ssa::splitf + functor_mean 187 ns 186 ns 4 +ssa::splitf + functor_median 187 ns 184 ns 4 +ssa::splitf + functor_stddev 4.73 ns 4.19 ns 4 +ssa::splitf + functor_cv 2.52 % 2.25 % 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 1118 ns 1117 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_median 1112 ns 1111 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_stddev 28.9 ns 23.4 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_cv 2.59 % 2.09 % 4 -replace symbols with std::string find_first_of + replace_mean 1990 ns 1995 ns 4 -replace symbols with std::string find_first_of + replace_median 1997 ns 2018 ns 4 -replace symbols with std::string find_first_of + replace_stddev 50.0 ns 64.1 ns 4 -replace symbols with std::string find_first_of + replace_cv 2.51 % 3.21 % 4 -replace symbols with std::string_view find_first_of + copy_mean 2369 ns 2372 ns 4 -replace symbols with std::string_view find_first_of + copy_median 2371 ns 2372 ns 4 -replace symbols with std::string_view find_first_of + copy_stddev 19.3 ns 32.2 ns 4 -replace symbols with std::string_view find_first_of + copy_cv 0.82 % 1.36 % 4 -replace runtime symbols with string expressions and without remembering all search results_mean 1454 ns 1460 ns 4 -replace runtime symbols with string expressions and without remembering all search results_median 1454 ns 1460 ns 4 -replace runtime symbols with string expressions and without remembering all search results_stddev 29.0 ns 18.1 ns 4 -replace runtime symbols with string expressions and without remembering all search results_cv 1.99 % 1.24 % 4 -replace runtime symbols with simstr and memorization of all search results_mean 1391 ns 1386 ns 4 -replace runtime symbols with simstr and memorization of all search results_median 1381 ns 1378 ns 4 -replace runtime symbols with simstr and memorization of all search results_stddev 58.6 ns 59.6 ns 4 -replace runtime symbols with simstr and memorization of all search results_cv 4.21 % 4.30 % 4 -replace const symbols with string expressions and without remembering all search results_mean 1223 ns 1221 ns 4 -replace const symbols with string expressions and without remembering all search results_median 1217 ns 1214 ns 4 -replace const symbols with string expressions and without remembering all search results_stddev 19.4 ns 26.7 ns 4 -replace const symbols with string expressions and without remembering all search results_cv 1.59 % 2.19 % 4 -replace const symbols with string expressions and memorization of all search results_mean 1106 ns 1099 ns 4 -replace const symbols with string expressions and memorization of all search results_median 1100 ns 1099 ns 4 -replace const symbols with string expressions and memorization of all search results_stddev 13.9 ns 0.000 ns 4 -replace const symbols with string expressions and memorization of all search results_cv 1.25 % 0.00 % 4 +Naive (and wrong) replace symbols with std::string find + replace_mean 1151 ns 1151 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_median 1147 ns 1158 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_stddev 30.0 ns 26.7 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_cv 2.60 % 2.32 % 4 +replace symbols with std::string find_first_of + replace_mean 2019 ns 2006 ns 4 +replace symbols with std::string find_first_of + replace_median 2017 ns 2018 ns 4 +replace symbols with std::string find_first_of + replace_stddev 17.4 ns 43.4 ns 4 +replace symbols with std::string find_first_of + replace_cv 0.86 % 2.16 % 4 +replace symbols with std::string_view find_first_of + copy_mean 2391 ns 2393 ns 4 +replace symbols with std::string_view find_first_of + copy_median 2348 ns 2344 ns 4 +replace symbols with std::string_view find_first_of + copy_stddev 100.0 ns 97.7 ns 4 +replace symbols with std::string_view find_first_of + copy_cv 4.18 % 4.08 % 4 +replace runtime symbols with string expressions and without remembering all search results_mean 1462 ns 1465 ns 4 +replace runtime symbols with string expressions and without remembering all search results_median 1469 ns 1465 ns 4 +replace runtime symbols with string expressions and without remembering all search results_stddev 31.5 ns 28.5 ns 4 +replace runtime symbols with string expressions and without remembering all search results_cv 2.15 % 1.94 % 4 +replace runtime symbols with simstr and memorization of all search results_mean 1359 ns 1360 ns 4 +replace runtime symbols with simstr and memorization of all search results_median 1365 ns 1367 ns 4 +replace runtime symbols with simstr and memorization of all search results_stddev 48.3 ns 57.5 ns 4 +replace runtime symbols with simstr and memorization of all search results_cv 3.56 % 4.23 % 4 +replace const symbols with string expressions and without remembering all search results_mean 1231 ns 1235 ns 4 +replace const symbols with string expressions and without remembering all search results_median 1231 ns 1242 ns 4 +replace const symbols with string expressions and without remembering all search results_stddev 8.58 ns 26.7 ns 4 +replace const symbols with string expressions and without remembering all search results_cv 0.70 % 2.16 % 4 +replace const symbols with string expressions and memorization of all search results_mean 1178 ns 1178 ns 4 +replace const symbols with string expressions and memorization of all search results_median 1170 ns 1172 ns 4 +replace const symbols with string expressions and memorization of all search results_stddev 62.5 ns 72.9 ns 4 +replace const symbols with string expressions and memorization of all search results_cv 5.30 % 6.19 % 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 319 ns 318 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_median 312 ns 314 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_stddev 17.9 ns 15.1 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_cv 5.61 % 4.75 % 4 -Short replace symbols with std::string find_first_of + replace_mean 371 ns 370 ns 4 -Short replace symbols with std::string find_first_of + replace_median 368 ns 368 ns 4 -Short replace symbols with std::string find_first_of + replace_stddev 14.4 ns 15.8 ns 4 -Short replace symbols with std::string find_first_of + replace_cv 3.88 % 4.27 % 4 -Short replace symbols with std::string_view find_first_of + copy_mean 327 ns 328 ns 4 -Short replace symbols with std::string_view find_first_of + copy_median 316 ns 315 ns 4 -Short replace symbols with std::string_view find_first_of + copy_stddev 24.0 ns 25.6 ns 4 -Short replace symbols with std::string_view find_first_of + copy_cv 7.32 % 7.82 % 4 -Short replace runtime symbols with string expressions and without remembering all search results_mean 268 ns 268 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_median 267 ns 270 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_stddev 6.66 ns 9.42 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_cv 2.49 % 3.51 % 4 -Short replace runtime symbols with simstr and memorization of all search results_mean 388 ns 387 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_median 385 ns 385 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_stddev 34.8 ns 35.5 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_cv 8.98 % 9.17 % 4 -Short replace const symbols with string expressions and without remembering all search results_mean 241 ns 242 ns 4 -Short replace const symbols with string expressions and without remembering all search results_median 233 ns 235 ns 4 -Short replace const symbols with string expressions and without remembering all search results_stddev 24.7 ns 24.3 ns 4 -Short replace const symbols with string expressions and without remembering all search results_cv 10.24 % 10.06 % 4 -Short replace const symbols with string expressions and memorization of all search results_mean 279 ns 279 ns 4 -Short replace const symbols with string expressions and memorization of all search results_median 281 ns 283 ns 4 -Short replace const symbols with string expressions and memorization of all search results_stddev 7.30 ns 6.28 ns 4 -Short replace const symbols with string expressions and memorization of all search results_cv 2.62 % 2.25 % 4 +Short Naive (and wrong) replace symbols with std::string find + replace_mean 344 ns 341 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_median 335 ns 333 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_stddev 40.6 ns 38.5 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_cv 11.80 % 11.28 % 4 +Short replace symbols with std::string find_first_of + replace_mean 401 ns 401 ns 4 +Short replace symbols with std::string find_first_of + replace_median 393 ns 394 ns 4 +Short replace symbols with std::string find_first_of + replace_stddev 37.2 ns 39.4 ns 4 +Short replace symbols with std::string find_first_of + replace_cv 9.27 % 9.83 % 4 +Short replace symbols with std::string_view find_first_of + copy_mean 326 ns 326 ns 4 +Short replace symbols with std::string_view find_first_of + copy_median 321 ns 322 ns 4 +Short replace symbols with std::string_view find_first_of + copy_stddev 15.2 ns 14.7 ns 4 +Short replace symbols with std::string_view find_first_of + copy_cv 4.66 % 4.51 % 4 +Short replace runtime symbols with string expressions and without remembering all search results_mean 267 ns 268 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_median 267 ns 268 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_stddev 2.37 ns 0.000 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_cv 0.89 % 0.00 % 4 +Short replace runtime symbols with simstr and memorization of all search results_mean 356 ns 356 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_median 358 ns 360 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_stddev 7.52 ns 8.37 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_cv 2.11 % 2.35 % 4 +Short replace const symbols with string expressions and without remembering all search results_mean 217 ns 216 ns 4 +Short replace const symbols with string expressions and without remembering all search results_median 216 ns 214 ns 4 +Short replace const symbols with string expressions and without remembering all search results_stddev 6.10 ns 7.85 ns 4 +Short replace const symbols with string expressions and without remembering all search results_cv 2.81 % 3.64 % 4 +Short replace const symbols with string expressions and memorization of all search results_mean 303 ns 300 ns 4 +Short replace const symbols with string expressions and memorization of all search results_median 308 ns 303 ns 4 +Short replace const symbols with string expressions and memorization of all search results_stddev 10.9 ns 9.86 ns 4 +Short replace const symbols with string expressions and memorization of all search results_cv 3.58 % 3.29 % 4 ----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to ---- in std::string|64_mean 240 ns 240 ns 4 -replace bb to ---- in std::string|64_median 241 ns 244 ns 4 -replace bb to ---- in std::string|64_stddev 14.6 ns 14.6 ns 4 -replace bb to ---- in std::string|64_cv 6.10 % 6.06 % 4 -replace bb to ---- in std::string|256_mean 858 ns 828 ns 4 -replace bb to ---- in std::string|256_median 852 ns 837 ns 4 -replace bb to ---- in std::string|256_stddev 84.1 ns 46.1 ns 4 -replace bb to ---- in std::string|256_cv 9.81 % 5.57 % 4 -replace bb to ---- in std::string|512_mean 1446 ns 1447 ns 4 -replace bb to ---- in std::string|512_median 1450 ns 1447 ns 4 -replace bb to ---- in std::string|512_stddev 15.0 ns 20.1 ns 4 -replace bb to ---- in std::string|512_cv 1.04 % 1.39 % 4 -replace bb to ---- in std::string|1024_mean 3194 ns 3191 ns 4 -replace bb to ---- in std::string|1024_median 3193 ns 3174 ns 4 -replace bb to ---- in std::string|1024_stddev 14.4 ns 66.8 ns 4 -replace bb to ---- in std::string|1024_cv 0.45 % 2.09 % 4 -replace bb to ---- in std::string|2048_mean 7825 ns 7847 ns 4 -replace bb to ---- in std::string|2048_median 7807 ns 7882 ns 4 -replace bb to ---- in std::string|2048_stddev 241 ns 134 ns 4 -replace bb to ---- in std::string|2048_cv 3.08 % 1.70 % 4 +replace bb to ---- in std::string|64_mean 226 ns 226 ns 4 +replace bb to ---- in std::string|64_median 227 ns 227 ns 4 +replace bb to ---- in std::string|64_stddev 5.27 ns 4.67 ns 4 +replace bb to ---- in std::string|64_cv 2.33 % 2.07 % 4 +replace bb to ---- in std::string|256_mean 793 ns 793 ns 4 +replace bb to ---- in std::string|256_median 751 ns 750 ns 4 +replace bb to ---- in std::string|256_stddev 89.4 ns 87.2 ns 4 +replace bb to ---- in std::string|256_cv 11.27 % 10.99 % 4 +replace bb to ---- in std::string|512_mean 1453 ns 1452 ns 4 +replace bb to ---- in std::string|512_median 1436 ns 1444 ns 4 +replace bb to ---- in std::string|512_stddev 46.9 ns 39.5 ns 4 +replace bb to ---- in std::string|512_cv 3.23 % 2.72 % 4 +replace bb to ---- in std::string|1024_mean 3359 ns 3346 ns 4 +replace bb to ---- in std::string|1024_median 3407 ns 3380 ns 4 +replace bb to ---- in std::string|1024_stddev 192 ns 175 ns 4 +replace bb to ---- in std::string|1024_cv 5.73 % 5.24 % 4 +replace bb to ---- in std::string|2048_mean 7816 ns 7804 ns 4 +replace bb to ---- in std::string|2048_median 7813 ns 7847 ns 4 +replace bb to ---- in std::string|2048_stddev 65.5 ns 87.2 ns 4 +replace bb to ---- in std::string|2048_cv 0.84 % 1.12 % 4 replace bb to ---- in lstringa<8>|64_mean 224 ns 225 ns 4 -replace bb to ---- in lstringa<8>|64_median 218 ns 220 ns 4 -replace bb to ---- in lstringa<8>|64_stddev 12.5 ns 13.2 ns 4 -replace bb to ---- in lstringa<8>|64_cv 5.56 % 5.89 % 4 -replace bb to ---- in lstringa<8>|256_mean 619 ns 617 ns 4 -replace bb to ---- in lstringa<8>|256_median 614 ns 614 ns 4 -replace bb to ---- in lstringa<8>|256_stddev 11.5 ns 6.98 ns 4 -replace bb to ---- in lstringa<8>|256_cv 1.86 % 1.13 % 4 -replace bb to ---- in lstringa<8>|512_mean 1083 ns 1074 ns 4 -replace bb to ---- in lstringa<8>|512_median 1085 ns 1086 ns 4 -replace bb to ---- in lstringa<8>|512_stddev 22.7 ns 34.5 ns 4 -replace bb to ---- in lstringa<8>|512_cv 2.09 % 3.21 % 4 -replace bb to ---- in lstringa<8>|1024_mean 1886 ns 1889 ns 4 -replace bb to ---- in lstringa<8>|1024_median 1860 ns 1861 ns 4 -replace bb to ---- in lstringa<8>|1024_stddev 60.6 ns 72.6 ns 4 -replace bb to ---- in lstringa<8>|1024_cv 3.21 % 3.84 % 4 -replace bb to ---- in lstringa<8>|2048_mean 3625 ns 3630 ns 4 -replace bb to ---- in lstringa<8>|2048_median 3600 ns 3610 ns 4 -replace bb to ---- in lstringa<8>|2048_stddev 53.5 ns 40.1 ns 4 -replace bb to ---- in lstringa<8>|2048_cv 1.48 % 1.10 % 4 -replace bb to ---- by init stringa|64_mean 177 ns 177 ns 4 -replace bb to ---- by init stringa|64_median 175 ns 174 ns 4 -replace bb to ---- by init stringa|64_stddev 11.0 ns 11.0 ns 4 -replace bb to ---- by init stringa|64_cv 6.18 % 6.22 % 4 -replace bb to ---- by init stringa|256_mean 371 ns 369 ns 4 -replace bb to ---- by init stringa|256_median 373 ns 369 ns 4 -replace bb to ---- by init stringa|256_stddev 5.31 ns 6.55 ns 4 -replace bb to ---- by init stringa|256_cv 1.43 % 1.77 % 4 -replace bb to ---- by init stringa|512_mean 813 ns 815 ns 4 -replace bb to ---- by init stringa|512_median 815 ns 811 ns 4 -replace bb to ---- by init stringa|512_stddev 14.1 ns 16.7 ns 4 -replace bb to ---- by init stringa|512_cv 1.73 % 2.05 % 4 -replace bb to ---- by init stringa|1024_mean 1634 ns 1639 ns 4 -replace bb to ---- by init stringa|1024_median 1637 ns 1639 ns 4 -replace bb to ---- by init stringa|1024_stddev 39.2 ns 28.5 ns 4 -replace bb to ---- by init stringa|1024_cv 2.40 % 1.74 % 4 -replace bb to ---- by init stringa|2048_mean 3081 ns 3081 ns 4 -replace bb to ---- by init stringa|2048_median 3012 ns 3015 ns 4 -replace bb to ---- by init stringa|2048_stddev 173 ns 158 ns 4 -replace bb to ---- by init stringa|2048_cv 5.60 % 5.12 % 4 +replace bb to ---- in lstringa<8>|64_median 222 ns 220 ns 4 +replace bb to ---- in lstringa<8>|64_stddev 7.93 ns 9.77 ns 4 +replace bb to ---- in lstringa<8>|64_cv 3.54 % 4.35 % 4 +replace bb to ---- in lstringa<8>|256_mean 614 ns 614 ns 4 +replace bb to ---- in lstringa<8>|256_median 616 ns 614 ns 4 +replace bb to ---- in lstringa<8>|256_stddev 7.18 ns 11.4 ns 4 +replace bb to ---- in lstringa<8>|256_cv 1.17 % 1.86 % 4 +replace bb to ---- in lstringa<8>|512_mean 1070 ns 1068 ns 4 +replace bb to ---- in lstringa<8>|512_median 1072 ns 1074 ns 4 +replace bb to ---- in lstringa<8>|512_stddev 33.2 ns 30.7 ns 4 +replace bb to ---- in lstringa<8>|512_cv 3.11 % 2.88 % 4 +replace bb to ---- in lstringa<8>|1024_mean 1874 ns 1862 ns 4 +replace bb to ---- in lstringa<8>|1024_median 1881 ns 1862 ns 4 +replace bb to ---- in lstringa<8>|1024_stddev 38.3 ns 24.2 ns 4 +replace bb to ---- in lstringa<8>|1024_cv 2.04 % 1.30 % 4 +replace bb to ---- in lstringa<8>|2048_mean 3872 ns 3870 ns 4 +replace bb to ---- in lstringa<8>|2048_median 3763 ns 3730 ns 4 +replace bb to ---- in lstringa<8>|2048_stddev 427 ns 426 ns 4 +replace bb to ---- in lstringa<8>|2048_cv 11.02 % 11.02 % 4 +replace bb to ---- by init stringa|64_mean 185 ns 185 ns 4 +replace bb to ---- by init stringa|64_median 186 ns 186 ns 4 +replace bb to ---- by init stringa|64_stddev 13.9 ns 11.9 ns 4 +replace bb to ---- by init stringa|64_cv 7.47 % 6.45 % 4 +replace bb to ---- by init stringa|256_mean 369 ns 366 ns 4 +replace bb to ---- by init stringa|256_median 369 ns 364 ns 4 +replace bb to ---- by init stringa|256_stddev 4.10 ns 8.01 ns 4 +replace bb to ---- by init stringa|256_cv 1.11 % 2.19 % 4 +replace bb to ---- by init stringa|512_mean 796 ns 793 ns 4 +replace bb to ---- by init stringa|512_median 787 ns 793 ns 4 +replace bb to ---- by init stringa|512_stddev 29.1 ns 22.5 ns 4 +replace bb to ---- by init stringa|512_cv 3.66 % 2.84 % 4 +replace bb to ---- by init stringa|1024_mean 1684 ns 1683 ns 4 +replace bb to ---- by init stringa|1024_median 1672 ns 1657 ns 4 +replace bb to ---- by init stringa|1024_stddev 90.5 ns 91.7 ns 4 +replace bb to ---- by init stringa|1024_cv 5.37 % 5.45 % 4 +replace bb to ---- by init stringa|2048_mean 3149 ns 3156 ns 4 +replace bb to ---- by init stringa|2048_median 3133 ns 3139 ns 4 +replace bb to ---- by init stringa|2048_stddev 93.8 ns 87.8 ns 4 +replace bb to ---- by init stringa|2048_cv 2.98 % 2.78 % 4 ----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to -- in std::string|64_mean 195 ns 194 ns 4 -replace bb to -- in std::string|64_median 193 ns 193 ns 4 -replace bb to -- in std::string|64_stddev 5.94 ns 4.34 ns 4 -replace bb to -- in std::string|64_cv 3.05 % 2.24 % 4 -replace bb to -- in std::string|256_mean 477 ns 479 ns 4 -replace bb to -- in std::string|256_median 474 ns 476 ns 4 -replace bb to -- in std::string|256_stddev 5.61 ns 10.0 ns 4 -replace bb to -- in std::string|256_cv 1.18 % 2.09 % 4 -replace bb to -- in std::string|512_mean 875 ns 879 ns 4 -replace bb to -- in std::string|512_median 876 ns 879 ns 4 -replace bb to -- in std::string|512_stddev 8.92 ns 24.2 ns 4 -replace bb to -- in std::string|512_cv 1.02 % 2.75 % 4 -replace bb to -- in std::string|1024_mean 1630 ns 1613 ns 4 -replace bb to -- in std::string|1024_median 1628 ns 1604 ns 4 -replace bb to -- in std::string|1024_stddev 18.8 ns 17.4 ns 4 -replace bb to -- in std::string|1024_cv 1.15 % 1.08 % 4 -replace bb to -- in std::string|2048_mean 3278 ns 3278 ns 4 -replace bb to -- in std::string|2048_median 3273 ns 3278 ns 4 -replace bb to -- in std::string|2048_stddev 32.9 ns 57.0 ns 4 -replace bb to -- in std::string|2048_cv 1.00 % 1.74 % 4 -replace bb to -- in lstringa<8>|64_mean 182 ns 181 ns 4 -replace bb to -- in lstringa<8>|64_median 180 ns 178 ns 4 -replace bb to -- in lstringa<8>|64_stddev 6.94 ns 7.92 ns 4 -replace bb to -- in lstringa<8>|64_cv 3.82 % 4.38 % 4 -replace bb to -- in lstringa<8>|256_mean 440 ns 438 ns 4 -replace bb to -- in lstringa<8>|256_median 439 ns 438 ns 4 -replace bb to -- in lstringa<8>|256_stddev 8.17 ns 12.2 ns 4 -replace bb to -- in lstringa<8>|256_cv 1.86 % 2.78 % 4 -replace bb to -- in lstringa<8>|512_mean 847 ns 850 ns 4 -replace bb to -- in lstringa<8>|512_median 844 ns 846 ns 4 -replace bb to -- in lstringa<8>|512_stddev 72.3 ns 74.5 ns 4 -replace bb to -- in lstringa<8>|512_cv 8.54 % 8.76 % 4 -replace bb to -- in lstringa<8>|1024_mean 1580 ns 1583 ns 4 -replace bb to -- in lstringa<8>|1024_median 1575 ns 1576 ns 4 -replace bb to -- in lstringa<8>|1024_stddev 120 ns 119 ns 4 -replace bb to -- in lstringa<8>|1024_cv 7.60 % 7.53 % 4 -replace bb to -- in lstringa<8>|2048_mean 2828 ns 2809 ns 4 -replace bb to -- in lstringa<8>|2048_median 2784 ns 2762 ns 4 -replace bb to -- in lstringa<8>|2048_stddev 146 ns 139 ns 4 -replace bb to -- in lstringa<8>|2048_cv 5.18 % 4.95 % 4 -replace bb to -- by init stringa|64_mean 153 ns 153 ns 4 -replace bb to -- by init stringa|64_median 153 ns 153 ns 4 -replace bb to -- by init stringa|64_stddev 5.30 ns 5.23 ns 4 -replace bb to -- by init stringa|64_cv 3.47 % 3.43 % 4 -replace bb to -- by init stringa|256_mean 355 ns 353 ns 4 -replace bb to -- by init stringa|256_median 355 ns 353 ns 4 -replace bb to -- by init stringa|256_stddev 3.88 ns 6.55 ns 4 -replace bb to -- by init stringa|256_cv 1.09 % 1.86 % 4 -replace bb to -- by init stringa|512_mean 599 ns 600 ns 4 -replace bb to -- by init stringa|512_median 598 ns 600 ns 4 -replace bb to -- by init stringa|512_stddev 17.8 ns 22.8 ns 4 -replace bb to -- by init stringa|512_cv 2.97 % 3.80 % 4 -replace bb to -- by init stringa|1024_mean 1077 ns 1080 ns 4 -replace bb to -- by init stringa|1024_median 1080 ns 1086 ns 4 -replace bb to -- by init stringa|1024_stddev 27.0 ns 23.4 ns 4 -replace bb to -- by init stringa|1024_cv 2.50 % 2.16 % 4 -replace bb to -- by init stringa|2048_mean 2138 ns 2145 ns 4 -replace bb to -- by init stringa|2048_median 2049 ns 2051 ns 4 -replace bb to -- by init stringa|2048_stddev 193 ns 188 ns 4 -replace bb to -- by init stringa|2048_cv 9.05 % 8.78 % 4 +replace bb to -- in std::string|64_mean 197 ns 197 ns 4 +replace bb to -- in std::string|64_median 191 ns 191 ns 4 +replace bb to -- in std::string|64_stddev 12.9 ns 15.0 ns 4 +replace bb to -- in std::string|64_cv 6.56 % 7.61 % 4 +replace bb to -- in std::string|256_mean 496 ns 495 ns 4 +replace bb to -- in std::string|256_median 486 ns 488 ns 4 +replace bb to -- in std::string|256_stddev 28.0 ns 24.2 ns 4 +replace bb to -- in std::string|256_cv 5.65 % 4.88 % 4 +replace bb to -- in std::string|512_mean 849 ns 848 ns 4 +replace bb to -- in std::string|512_median 850 ns 848 ns 4 +replace bb to -- in std::string|512_stddev 10.3 ns 12.1 ns 4 +replace bb to -- in std::string|512_cv 1.22 % 1.43 % 4 +replace bb to -- in std::string|1024_mean 1966 ns 1972 ns 4 +replace bb to -- in std::string|1024_median 1983 ns 1995 ns 4 +replace bb to -- in std::string|1024_stddev 80.2 ns 86.8 ns 4 +replace bb to -- in std::string|1024_cv 4.08 % 4.40 % 4 +replace bb to -- in std::string|2048_mean 3153 ns 3149 ns 4 +replace bb to -- in std::string|2048_median 3093 ns 3113 ns 4 +replace bb to -- in std::string|2048_stddev 125 ns 104 ns 4 +replace bb to -- in std::string|2048_cv 3.97 % 3.29 % 4 +replace bb to -- in lstringa<8>|64_mean 179 ns 178 ns 4 +replace bb to -- in lstringa<8>|64_median 178 ns 176 ns 4 +replace bb to -- in lstringa<8>|64_stddev 2.78 ns 4.19 ns 4 +replace bb to -- in lstringa<8>|64_cv 1.56 % 2.35 % 4 +replace bb to -- in lstringa<8>|256_mean 446 ns 444 ns 4 +replace bb to -- in lstringa<8>|256_median 446 ns 444 ns 4 +replace bb to -- in lstringa<8>|256_stddev 18.1 ns 20.3 ns 4 +replace bb to -- in lstringa<8>|256_cv 4.05 % 4.58 % 4 +replace bb to -- in lstringa<8>|512_mean 748 ns 746 ns 4 +replace bb to -- in lstringa<8>|512_median 748 ns 741 ns 4 +replace bb to -- in lstringa<8>|512_stddev 16.3 ns 16.7 ns 4 +replace bb to -- in lstringa<8>|512_cv 2.18 % 2.24 % 4 +replace bb to -- in lstringa<8>|1024_mean 1392 ns 1395 ns 4 +replace bb to -- in lstringa<8>|1024_median 1367 ns 1381 ns 4 +replace bb to -- in lstringa<8>|1024_stddev 70.7 ns 60.3 ns 4 +replace bb to -- in lstringa<8>|1024_cv 5.08 % 4.32 % 4 +replace bb to -- in lstringa<8>|2048_mean 2687 ns 2684 ns 4 +replace bb to -- in lstringa<8>|2048_median 2688 ns 2668 ns 4 +replace bb to -- in lstringa<8>|2048_stddev 64.9 ns 60.1 ns 4 +replace bb to -- in lstringa<8>|2048_cv 2.41 % 2.24 % 4 +replace bb to -- by init stringa|64_mean 161 ns 161 ns 4 +replace bb to -- by init stringa|64_median 161 ns 162 ns 4 +replace bb to -- by init stringa|64_stddev 4.49 ns 5.96 ns 4 +replace bb to -- by init stringa|64_cv 2.79 % 3.69 % 4 +replace bb to -- by init stringa|256_mean 360 ns 359 ns 4 +replace bb to -- by init stringa|256_median 360 ns 357 ns 4 +replace bb to -- by init stringa|256_stddev 5.37 ns 7.68 ns 4 +replace bb to -- by init stringa|256_cv 1.49 % 2.14 % 4 +replace bb to -- by init stringa|512_mean 596 ns 596 ns 4 +replace bb to -- by init stringa|512_median 595 ns 593 ns 4 +replace bb to -- by init stringa|512_stddev 5.42 ns 13.4 ns 4 +replace bb to -- by init stringa|512_cv 0.91 % 2.24 % 4 +replace bb to -- by init stringa|1024_mean 1072 ns 1072 ns 4 +replace bb to -- by init stringa|1024_median 1066 ns 1067 ns 4 +replace bb to -- by init stringa|1024_stddev 18.5 ns 31.4 ns 4 +replace bb to -- by init stringa|1024_cv 1.72 % 2.93 % 4 +replace bb to -- by init stringa|2048_mean 2037 ns 2040 ns 4 +replace bb to -- by init stringa|2048_median 2031 ns 2030 ns 4 +replace bb to -- by init stringa|2048_stddev 44.3 ns 40.1 ns 4 +replace bb to -- by init stringa|2048_cv 2.18 % 1.96 % 4 ----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -hashStrMapA emplace & find stringa;_mean 3978350 ns 3971718 ns 4 -hashStrMapA emplace & find stringa;_median 3976258 ns 3971718 ns 4 -hashStrMapA emplace & find stringa;_stddev 14214 ns 50397 ns 4 -hashStrMapA emplace & find stringa;_cv 0.36 % 1.27 % 4 -std::unordered_map emplace & find std::string;_mean 5607567 ns 5625000 ns 4 -std::unordered_map emplace & find std::string;_median 5668341 ns 5703125 ns 4 -std::unordered_map emplace & find std::string;_stddev 196407 ns 220971 ns 4 -std::unordered_map emplace & find std::string;_cv 3.50 % 3.93 % 4 -hashStrMapA emplace & find ssa;_mean 3489211 ns 3485577 ns 4 -hashStrMapA emplace & find ssa;_median 3444766 ns 3445513 ns 4 -hashStrMapA emplace & find ssa;_stddev 114075 ns 153434 ns 4 -hashStrMapA emplace & find ssa;_cv 3.27 % 4.40 % 4 -std::unordered_map emplace & find std::string_view;_mean 6249698 ns 6250000 ns 4 -std::unordered_map emplace & find std::string_view;_median 6254047 ns 6250000 ns 4 -std::unordered_map emplace & find std::string_view;_stddev 121093 ns 127578 ns 4 -std::unordered_map emplace & find std::string_view;_cv 1.94 % 2.04 % 4 +hashStrMapA emplace & find stringa;_mean 3949761 ns 3968917 ns 4 +hashStrMapA emplace & find stringa;_median 3949255 ns 3968917 ns 4 +hashStrMapA emplace & find stringa;_stddev 80959 ns 107871 ns 4 +hashStrMapA emplace & find stringa;_cv 2.05 % 2.72 % 4 +std::unordered_map emplace & find std::string;_mean 5604257 ns 5625000 ns 4 +std::unordered_map emplace & find std::string;_median 5546210 ns 5546875 ns 4 +std::unordered_map emplace & find std::string;_stddev 225236 ns 220971 ns 4 +std::unordered_map emplace & find std::string;_cv 4.02 % 3.93 % 4 +hashStrMapA emplace & find ssa;_mean 3501051 ns 3504136 ns 4 +hashStrMapA emplace & find ssa;_median 3492655 ns 3523284 ns 4 +hashStrMapA emplace & find ssa;_stddev 88845 ns 96378 ns 4 +hashStrMapA emplace & find ssa;_cv 2.54 % 2.75 % 4 +std::unordered_map emplace & find std::string_view;_mean 6433478 ns 6406250 ns 4 +std::unordered_map emplace & find std::string_view;_median 6397733 ns 6328125 ns 4 +std::unordered_map emplace & find std::string_view;_stddev 386916 ns 382733 ns 4 +std::unordered_map emplace & find std::string_view;_cv 6.01 % 5.97 % 4 ----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Build func full name std::string;_mean 1507 ns 1507 ns 4 -Build func full name std::string;_median 1489 ns 1491 ns 4 -Build func full name std::string;_stddev 60.8 ns 67.8 ns 4 -Build func full name std::string;_cv 4.03 % 4.50 % 4 -Build func full name std::string 1;_mean 1543 ns 1543 ns 4 -Build func full name std::string 1;_median 1538 ns 1535 ns 4 -Build func full name std::string 1;_stddev 48.1 ns 52.3 ns 4 -Build func full name std::string 1;_cv 3.12 % 3.39 % 4 -Build func full name std::stream;_mean 8087 ns 8109 ns 4 -Build func full name std::stream;_median 8004 ns 8022 ns 4 -Build func full name std::stream;_stddev 256 ns 302 ns 4 -Build func full name std::stream;_cv 3.17 % 3.72 % 4 -Build func full name stringa;_mean 823 ns 824 ns 4 -Build func full name stringa;_median 821 ns 820 ns 4 -Build func full name stringa;_stddev 13.6 ns 8.72 ns 4 -Build func full name stringa;_cv 1.66 % 1.06 % 4 -Build func full name stringa 1;_mean 939 ns 934 ns 4 -Build func full name stringa 1;_median 940 ns 940 ns 4 -Build func full name stringa 1;_stddev 19.0 ns 23.4 ns 4 -Build func full name stringa 1;_cv 2.02 % 2.50 % 4 +Build func full name std::string;_mean 1714 ns 1717 ns 4 +Build func full name std::string;_median 1631 ns 1631 ns 4 +Build func full name std::string;_stddev 223 ns 213 ns 4 +Build func full name std::string;_cv 13.01 % 12.43 % 4 +Build func full name std::string 1;_mean 1657 ns 1653 ns 4 +Build func full name std::string 1;_median 1626 ns 1611 ns 4 +Build func full name std::string 1;_stddev 119 ns 130 ns 4 +Build func full name std::string 1;_cv 7.16 % 7.87 % 4 +Build func full name std::stream;_mean 8196 ns 8240 ns 4 +Build func full name std::stream;_median 8292 ns 8283 ns 4 +Build func full name std::stream;_stddev 237 ns 298 ns 4 +Build func full name std::stream;_cv 2.89 % 3.61 % 4 +Build func full name stringa;_mean 814 ns 815 ns 4 +Build func full name stringa;_median 814 ns 820 ns 4 +Build func full name stringa;_stddev 15.2 ns 8.72 ns 4 +Build func full name stringa;_cv 1.87 % 1.07 % 4 +Build func full name stringa 1;_mean 962 ns 963 ns 4 +Build func full name stringa 1;_median 943 ns 952 ns 4 +Build func full name stringa 1;_stddev 42.5 ns 45.2 ns 4 +Build func full name stringa 1;_cv 4.42 % 4.70 % 4 diff --git a/bench/results/003-Xeon E5-2682 v4, Windows 10, MSVC-19.txt b/bench/results/003-Xeon E5-2682 v4, Windows 10, MSVC-19.txt index be0f65f..9669ab9 100644 --- a/bench/results/003-Xeon E5-2682 v4, Windows 10, MSVC-19.txt +++ b/bench/results/003-Xeon E5-2682 v4, Windows 10, MSVC-19.txt @@ -1,8 +1,8 @@ -Benchmarks of simstr, version 1.6.3 +Benchmarks of simstr, version 1.6.4 Sources: https://github.com/orefkov/simstr Results: https://orefkov.github.io/simstr/results.html -2026-02-03T16:50:53+03:00 +2026-02-04T15:58:14+03:00 Running benchStr.exe Run on (32 X 2494 MHz CPU s) CPU Caches: @@ -14,908 +14,916 @@ CPU Caches: Benchmark Time CPU Iterations -------------------------------------------------------------------------------------------------------------------------------------------------------- ----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string and number by std to std::string_mean 315 ns 315 ns 4 -Concat std::string and number by std to std::string_median 313 ns 311 ns 4 -Concat std::string and number by std to std::string_stddev 7.91 ns 10.4 ns 4 -Concat std::string and number by std to std::string_cv 2.51 % 3.29 % 4 -Concat std::string and number by StrExpr to std::string_mean 213 ns 211 ns 4 -Concat std::string and number by StrExpr to std::string_median 210 ns 208 ns 4 -Concat std::string and number by StrExpr to std::string_stddev 10.1 ns 9.24 ns 4 -Concat std::string and number by StrExpr to std::string_cv 4.72 % 4.38 % 4 -Concat stringa and number by StrExpr to simstr::stringa_mean 121 ns 121 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_median 121 ns 122 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_stddev 13.4 ns 12.8 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_cv 11.04 % 10.63 % 4 -Concat stringa and number by e_concat to simstr::stringa_mean 119 ns 120 ns 4 -Concat stringa and number by e_concat to simstr::stringa_median 119 ns 120 ns 4 -Concat stringa and number by e_concat to simstr::stringa_stddev 9.85 ns 9.97 ns 4 -Concat stringa and number by e_concat to simstr::stringa_cv 8.25 % 8.33 % 4 +Concat std::string and number by std to std::string_mean 351 ns 350 ns 4 +Concat std::string and number by std to std::string_median 351 ns 352 ns 4 +Concat std::string and number by std to std::string_stddev 17.4 ns 16.2 ns 4 +Concat std::string and number by std to std::string_cv 4.95 % 4.64 % 4 +Concat std::string and number by StrExpr to std::string_mean 220 ns 220 ns 4 +Concat std::string and number by StrExpr to std::string_median 213 ns 215 ns 4 +Concat std::string and number by StrExpr to std::string_stddev 16.3 ns 17.6 ns 4 +Concat std::string and number by StrExpr to std::string_cv 7.41 % 7.99 % 4 +Concat stringa and number by StrExpr to simstr::stringa_mean 116 ns 116 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_median 115 ns 114 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_stddev 6.89 ns 7.59 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_cv 5.94 % 6.55 % 4 +Concat stringa and number by e_concat to simstr::stringa_mean 110 ns 110 ns 4 +Concat stringa and number by e_concat to simstr::stringa_median 110 ns 110 ns 4 +Concat stringa and number by e_concat to simstr::stringa_stddev 0.514 ns 1.21 ns 4 +Concat stringa and number by e_concat to simstr::stringa_cv 0.47 % 1.10 % 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 1033 ns 1038 ns 4 -Concat std::string and format hex number and literal to std::string_median 1013 ns 1013 ns 4 -Concat std::string and format hex number and literal to std::string_stddev 58.8 ns 58.1 ns 4 -Concat std::string and format hex number and literal to std::string_cv 5.69 % 5.60 % 4 -std::format std::string and hex number by literal to std::string_mean 1841 ns 1842 ns 4 -std::format std::string and hex number by literal to std::string_median 1845 ns 1842 ns 4 -std::format std::string and hex number by literal to std::string_stddev 32.2 ns 34.2 ns 4 -std::format std::string and hex number by literal to std::string_cv 1.75 % 1.86 % 4 -Concat std::string and std::to_chars and string to std::string_mean 251 ns 251 ns 4 -Concat std::string and std::to_chars and string to std::string_median 251 ns 251 ns 4 -Concat std::string and std::to_chars and string to std::string_stddev 1.96 ns 4.56 ns 4 -Concat std::string and std::to_chars and string to std::string_cv 0.78 % 1.81 % 4 -Concat std::string and hex number and literal by StrExpr to std::string_mean 119 ns 118 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_median 118 ns 118 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_stddev 3.75 ns 4.17 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_cv 3.15 % 3.54 % 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 99.3 ns 99.4 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 99.4 ns 99.4 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 1.76 ns 2.70 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 1.77 % 2.72 % 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 104 ns 104 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_median 104 ns 104 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 3.86 ns 3.15 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 3.70 % 3.04 % 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_mean 175 ns 176 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_median 175 ns 175 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 2.58 ns 3.67 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_cv 1.48 % 2.09 % 4 +Concat std::string and format hex number and literal to std::string_mean 1042 ns 1041 ns 4 +Concat std::string and format hex number and literal to std::string_median 1052 ns 1057 ns 4 +Concat std::string and format hex number and literal to std::string_stddev 35.4 ns 39.6 ns 4 +Concat std::string and format hex number and literal to std::string_cv 3.39 % 3.80 % 4 +std::format std::string and hex number by literal to std::string_mean 1850 ns 1832 ns 4 +std::format std::string and hex number by literal to std::string_median 1839 ns 1822 ns 4 +std::format std::string and hex number by literal to std::string_stddev 29.1 ns 36.7 ns 4 +std::format std::string and hex number by literal to std::string_cv 1.57 % 2.01 % 4 +Concat std::string and std::to_chars and string to std::string_mean 254 ns 254 ns 4 +Concat std::string and std::to_chars and string to std::string_median 253 ns 254 ns 4 +Concat std::string and std::to_chars and string to std::string_stddev 4.97 ns 7.20 ns 4 +Concat std::string and std::to_chars and string to std::string_cv 1.96 % 2.84 % 4 +Concat std::string and hex number and literal by StrExpr to std::string_mean 116 ns 116 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_median 116 ns 117 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_stddev 1.84 ns 2.09 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_cv 1.59 % 1.80 % 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 101 ns 99.4 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 100 ns 98.4 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 4.35 ns 3.62 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 4.32 % 3.65 % 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 106 ns 106 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_median 105 ns 106 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 3.41 ns 3.57 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 3.22 % 3.37 % 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_mean 174 ns 174 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_median 174 ns 173 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 2.22 ns 1.92 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_cv 1.28 % 1.10 % 4 Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 349 ns 349 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 349 ns 349 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 4.17 ns 4.43 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 1.19 % 1.27 % 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 350 ns 349 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 2.95 ns 7.12 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 0.84 % 2.04 % 4 ----- format/vformat and subst/vsubst octal number ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_mean 206 ns 205 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_median 206 ns 206 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_stddev 7.82 ns 9.35 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_cv 3.81 % 4.56 % 4 -std::format("art {:#010o} end", i)_mean 1678 ns 1685 ns 4 -std::format("art {:#010o} end", i)_median 1666 ns 1674 ns 4 -std::format("art {:#010o} end", i)_stddev 35.6 ns 62.8 ns 4 -std::format("art {:#010o} end", i)_cv 2.12 % 3.73 % 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_mean 354 ns 353 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_median 352 ns 353 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_stddev 12.9 ns 12.2 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_cv 3.64 % 3.44 % 4 -std::vformat(pattern, std::make_format_args(i))_mean 1656 ns 1657 ns 4 -std::vformat(pattern, std::make_format_args(i))_median 1661 ns 1657 ns 4 -std::vformat(pattern, std::make_format_args(i))_stddev 21.1 ns 20.1 ns 4 -std::vformat(pattern, std::make_format_args(i))_cv 1.27 % 1.22 % 4 +"art "_ss + i / 0x8a010_fmt + " end"_mean 125 ns 125 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_median 126 ns 126 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_stddev 2.31 ns 4.19 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_cv 1.84 % 3.35 % 4 +e_subst("art {} end", i / 0x8a010_fmt)_mean 206 ns 206 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_median 200 ns 201 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_stddev 11.9 ns 13.4 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_cv 5.79 % 6.50 % 4 +e_vsubst(pattern, i / 0x8a010_fmt)_mean 375 ns 374 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_median 367 ns 364 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_stddev 30.9 ns 34.5 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_cv 8.24 % 9.23 % 4 +std::format("art {:#010o} end", i)_mean 1823 ns 1822 ns 4 +std::format("art {:#010o} end", i)_median 1873 ns 1880 ns 4 +std::format("art {:#010o} end", i)_stddev 126 ns 115 ns 4 +std::format("art {:#010o} end", i)_cv 6.93 % 6.32 % 4 +std::vformat(pattern, std::make_format_args(i))_mean 1745 ns 1746 ns 4 +std::vformat(pattern, std::make_format_args(i))_median 1740 ns 1746 ns 4 +std::vformat(pattern, std::make_format_args(i))_stddev 76.8 ns 78.5 ns 4 +std::vformat(pattern, std::make_format_args(i))_cv 4.40 % 4.50 % 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 6869 ns 6871 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 6971 ns 6975 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 217 ns 209 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 3.15 % 3.05 % 4 ----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string by std to std::string_mean 55.0 ns 55.1 ns 4 -Concat std::string by std to std::string_median 55.2 ns 54.7 ns 4 -Concat std::string by std to std::string_stddev 1.96 ns 2.34 ns 4 -Concat std::string by std to std::string_cv 3.57 % 4.26 % 4 -Concat std::string by StrExpr to std::string_mean 75.6 ns 75.9 ns 4 -Concat std::string by StrExpr to std::string_median 75.5 ns 76.7 ns 4 -Concat std::string by StrExpr to std::string_stddev 1.50 ns 1.74 ns 4 -Concat std::string by StrExpr to std::string_cv 1.98 % 2.30 % 4 -Concat stringa by StrExpr to stringa_mean 52.0 ns 52.0 ns 4 -Concat stringa by StrExpr to stringa_median 52.2 ns 51.6 ns 4 -Concat stringa by StrExpr to stringa_stddev 1.02 ns 0.698 ns 4 -Concat stringa by StrExpr to stringa_cv 1.96 % 1.34 % 4 +Concat std::string by std to std::string_mean 58.5 ns 57.0 ns 4 +Concat std::string by std to std::string_median 56.6 ns 56.2 ns 4 +Concat std::string by std to std::string_stddev 4.75 ns 2.71 ns 4 +Concat std::string by std to std::string_cv 8.11 % 4.75 % 4 +Concat std::string by StrExpr to std::string_mean 79.7 ns 79.9 ns 4 +Concat std::string by StrExpr to std::string_median 79.7 ns 79.5 ns 4 +Concat std::string by StrExpr to std::string_stddev 1.13 ns 1.76 ns 4 +Concat std::string by StrExpr to std::string_cv 1.42 % 2.20 % 4 +Concat stringa by StrExpr to stringa_mean 51.1 ns 51.2 ns 4 +Concat stringa by StrExpr to stringa_median 50.9 ns 51.6 ns 4 +Concat stringa by StrExpr to stringa_stddev 1.000 ns 0.781 ns 4 +Concat stringa by StrExpr to stringa_cv 1.96 % 1.53 % 4 ----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Find concat three std::string_mean 230 ns 231 ns 4 -Find concat three std::string_median 232 ns 234 ns 4 -Find concat three std::string_stddev 14.1 ns 15.1 ns 4 -Find concat three std::string_cv 6.15 % 6.55 % 4 -Find concat three strexpr_mean 129 ns 130 ns 4 -Find concat three strexpr_median 126 ns 126 ns 4 -Find concat three strexpr_stddev 10.3 ns 10.6 ns 4 -Find concat three strexpr_cv 7.93 % 8.14 % 4 -Find concat three simstr_mean 28.3 ns 28.3 ns 4 -Find concat three simstr_median 28.5 ns 28.5 ns 4 -Find concat three simstr_stddev 0.538 ns 0.834 ns 4 -Find concat three simstr_cv 1.90 % 2.94 % 4 +Find concat three std::string_mean 232 ns 231 ns 4 +Find concat three std::string_median 236 ns 235 ns 4 +Find concat three std::string_stddev 10.5 ns 7.85 ns 4 +Find concat three std::string_cv 4.52 % 3.39 % 4 +Find concat three strexpr_mean 130 ns 130 ns 4 +Find concat three strexpr_median 129 ns 131 ns 4 +Find concat three strexpr_stddev 11.2 ns 11.2 ns 4 +Find concat three strexpr_cv 8.61 % 8.59 % 4 +Find concat three simstr_mean 27.9 ns 27.9 ns 4 +Find concat three simstr_median 27.4 ns 27.6 ns 4 +Find concat three simstr_stddev 1.11 ns 1.09 ns 4 +Find concat three simstr_cv 3.97 % 3.89 % 4 ----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -BuildTypeNameStr 0/0_mean 17.6 ns 17.6 ns 4 -BuildTypeNameStr 0/0_median 17.6 ns 17.6 ns 4 -BuildTypeNameStr 0/0_stddev 0.231 ns 0.000 ns 4 -BuildTypeNameStr 0/0_cv 1.32 % 0.00 % 4 -BuildTypeNameExp 0/0_mean 14.0 ns 14.0 ns 4 -BuildTypeNameExp 0/0_median 14.0 ns 14.0 ns 4 -BuildTypeNameExp 0/0_stddev 0.119 ns 0.181 ns 4 -BuildTypeNameExp 0/0_cv 0.85 % 1.30 % 4 -BuildTypeNameSim 0/0_mean 14.8 ns 14.7 ns 4 -BuildTypeNameSim 0/0_median 14.8 ns 14.8 ns 4 -BuildTypeNameSim 0/0_stddev 0.225 ns 0.334 ns 4 -BuildTypeNameSim 0/0_cv 1.52 % 2.27 % 4 -BuildTypeNameStr 10/10_mean 79.7 ns 79.3 ns 4 -BuildTypeNameStr 10/10_median 77.6 ns 77.6 ns 4 -BuildTypeNameStr 10/10_stddev 4.82 ns 5.42 ns 4 -BuildTypeNameStr 10/10_cv 6.05 % 6.83 % 4 -BuildTypeNameExp 10/10_mean 37.9 ns 37.9 ns 4 -BuildTypeNameExp 10/10_median 37.6 ns 37.7 ns 4 -BuildTypeNameExp 10/10_stddev 0.976 ns 1.05 ns 4 -BuildTypeNameExp 10/10_cv 2.58 % 2.78 % 4 -BuildTypeNameSim 10/10_mean 37.6 ns 37.7 ns 4 -BuildTypeNameSim 10/10_median 37.1 ns 37.3 ns 4 -BuildTypeNameSim 10/10_stddev 1.27 ns 1.13 ns 4 -BuildTypeNameSim 10/10_cv 3.37 % 3.01 % 4 +BuildTypeNameStr 0/0_mean 18.8 ns 18.7 ns 4 +BuildTypeNameStr 0/0_median 18.6 ns 18.6 ns 4 +BuildTypeNameStr 0/0_stddev 0.340 ns 0.401 ns 4 +BuildTypeNameStr 0/0_cv 1.81 % 2.14 % 4 +BuildTypeNameExp 0/0_mean 12.8 ns 12.6 ns 4 +BuildTypeNameExp 0/0_median 12.8 ns 12.7 ns 4 +BuildTypeNameExp 0/0_stddev 0.200 ns 0.536 ns 4 +BuildTypeNameExp 0/0_cv 1.57 % 4.24 % 4 +BuildTypeNameSim 0/0_mean 16.7 ns 16.7 ns 4 +BuildTypeNameSim 0/0_median 16.6 ns 16.6 ns 4 +BuildTypeNameSim 0/0_stddev 0.505 ns 0.334 ns 4 +BuildTypeNameSim 0/0_cv 3.02 % 2.01 % 4 +BuildTypeNameStr 10/10_mean 84.4 ns 84.1 ns 4 +BuildTypeNameStr 10/10_median 83.1 ns 82.8 ns 4 +BuildTypeNameStr 10/10_stddev 3.15 ns 3.30 ns 4 +BuildTypeNameStr 10/10_cv 3.74 % 3.92 % 4 +BuildTypeNameExp 10/10_mean 40.2 ns 40.1 ns 4 +BuildTypeNameExp 10/10_median 39.4 ns 39.4 ns 4 +BuildTypeNameExp 10/10_stddev 2.14 ns 2.38 ns 4 +BuildTypeNameExp 10/10_cv 5.32 % 5.94 % 4 +BuildTypeNameSim 10/10_mean 38.0 ns 37.7 ns 4 +BuildTypeNameSim 10/10_median 37.5 ns 37.2 ns 4 +BuildTypeNameSim 10/10_stddev 0.945 ns 1.18 ns 4 +BuildTypeNameSim 10/10_cv 2.49 % 3.14 % 4 ----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat with replace str_mean 341 ns 339 ns 4 -Concat with replace str_median 341 ns 337 ns 4 -Concat with replace str_stddev 6.43 ns 3.66 ns 4 -Concat with replace str_cv 1.89 % 1.08 % 4 -Concat with replace exp_mean 224 ns 221 ns 4 -Concat with replace exp_median 224 ns 220 ns 4 -Concat with replace exp_stddev 7.32 ns 4.34 ns 4 -Concat with replace exp_cv 3.27 % 1.96 % 4 +Concat with replace str_mean 341 ns 341 ns 4 +Concat with replace str_median 337 ns 337 ns 4 +Concat with replace str_stddev 15.2 ns 15.4 ns 4 +Concat with replace str_cv 4.47 % 4.51 % 4 +Concat with replace exp_mean 225 ns 224 ns 4 +Concat with replace exp_median 225 ns 225 ns 4 +Concat with replace exp_stddev 3.68 ns 2.96 ns 4 +Concat with replace exp_cv 1.64 % 1.32 % 4 ----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e;_mean 2.22 ns 2.22 ns 4 -std::string e;_median 2.19 ns 2.20 ns 4 -std::string e;_stddev 0.068 ns 0.093 ns 4 -std::string e;_cv 3.08 % 4.21 % 4 -std::string_view e;_mean 1.88 ns 1.87 ns 4 -std::string_view e;_median 1.87 ns 1.86 ns 4 -std::string_view e;_stddev 0.108 ns 0.105 ns 4 -std::string_view e;_cv 5.75 % 5.59 % 4 -ssa e;_mean 1.47 ns 1.47 ns 4 -ssa e;_median 1.46 ns 1.46 ns 4 -ssa e;_stddev 0.043 ns 0.030 ns 4 -ssa e;_cv 2.94 % 2.05 % 4 -stringa e;_mean 2.20 ns 2.20 ns 4 -stringa e;_median 2.18 ns 2.20 ns 4 -stringa e;_stddev 0.044 ns 0.040 ns 4 -stringa e;_cv 2.02 % 1.81 % 4 -lstringa<20> e;_mean 2.55 ns 2.56 ns 4 -lstringa<20> e;_median 2.55 ns 2.58 ns 4 -lstringa<20> e;_stddev 0.048 ns 0.057 ns 4 -lstringa<20> e;_cv 1.90 % 2.21 % 4 -lstringa<40> e;_mean 2.57 ns 2.54 ns 4 -lstringa<40> e;_median 2.57 ns 2.54 ns 4 -lstringa<40> e;_stddev 0.020 ns 0.032 ns 4 -lstringa<40> e;_cv 0.78 % 1.27 % 4 +std::string e;_mean 2.53 ns 2.51 ns 4 +std::string e;_median 2.53 ns 2.51 ns 4 +std::string e;_stddev 0.011 ns 0.046 ns 4 +std::string e;_cv 0.42 % 1.81 % 4 +std::string_view e;_mean 1.83 ns 1.82 ns 4 +std::string_view e;_median 1.81 ns 1.82 ns 4 +std::string_view e;_stddev 0.035 ns 0.022 ns 4 +std::string_view e;_cv 1.93 % 1.22 % 4 +ssa e;_mean 1.90 ns 1.90 ns 4 +ssa e;_median 1.91 ns 1.90 ns 4 +ssa e;_stddev 0.063 ns 0.054 ns 4 +ssa e;_cv 3.33 % 2.84 % 4 +stringa e;_mean 2.36 ns 2.36 ns 4 +stringa e;_median 2.37 ns 2.40 ns 4 +stringa e;_stddev 0.118 ns 0.124 ns 4 +stringa e;_cv 4.99 % 5.25 % 4 +lstringa<20> e;_mean 2.59 ns 2.58 ns 4 +lstringa<20> e;_median 2.59 ns 2.59 ns 4 +lstringa<20> e;_stddev 0.054 ns 0.053 ns 4 +lstringa<20> e;_cv 2.08 % 2.07 % 4 +lstringa<40> e;_mean 2.56 ns 2.55 ns 4 +lstringa<40> e;_median 2.58 ns 2.57 ns 4 +lstringa<40> e;_stddev 0.063 ns 0.070 ns 4 +lstringa<40> e;_cv 2.46 % 2.75 % 4 ----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "Test text";_mean 2.60 ns 2.61 ns 4 -std::string e = "Test text";_median 2.60 ns 2.59 ns 4 -std::string e = "Test text";_stddev 0.029 ns 0.053 ns 4 -std::string e = "Test text";_cv 1.13 % 2.05 % 4 -std::string_view e = "Test text";_mean 1.79 ns 1.79 ns 4 -std::string_view e = "Test text";_median 1.80 ns 1.80 ns 4 -std::string_view e = "Test text";_stddev 0.020 ns 0.021 ns 4 -std::string_view e = "Test text";_cv 1.10 % 1.17 % 4 -ssa e = "Test text";_mean 1.79 ns 1.80 ns 4 -ssa e = "Test text";_median 1.80 ns 1.80 ns 4 -ssa e = "Test text";_stddev 0.029 ns 0.034 ns 4 -ssa e = "Test text";_cv 1.60 % 1.90 % 4 -stringa e = "Test text";_mean 2.21 ns 2.21 ns 4 -stringa e = "Test text";_median 2.21 ns 2.22 ns 4 -stringa e = "Test text";_stddev 0.018 ns 0.023 ns 4 -stringa e = "Test text";_cv 0.82 % 1.03 % 4 -lstringa<20> e = "Test text";_mean 2.62 ns 2.62 ns 4 -lstringa<20> e = "Test text";_median 2.62 ns 2.61 ns 4 -lstringa<20> e = "Test text";_stddev 0.057 ns 0.060 ns 4 -lstringa<20> e = "Test text";_cv 2.18 % 2.29 % 4 -lstringa<40> e = "Test text";_mean 2.57 ns 2.58 ns 4 -lstringa<40> e = "Test text";_median 2.56 ns 2.57 ns 4 -lstringa<40> e = "Test text";_stddev 0.055 ns 0.070 ns 4 -lstringa<40> e = "Test text";_cv 2.14 % 2.72 % 4 +std::string e = "Test text";_mean 2.59 ns 2.56 ns 4 +std::string e = "Test text";_median 2.59 ns 2.57 ns 4 +std::string e = "Test text";_stddev 0.037 ns 0.031 ns 4 +std::string e = "Test text";_cv 1.43 % 1.23 % 4 +std::string_view e = "Test text";_mean 1.82 ns 1.82 ns 4 +std::string_view e = "Test text";_median 1.82 ns 1.82 ns 4 +std::string_view e = "Test text";_stddev 0.022 ns 0.022 ns 4 +std::string_view e = "Test text";_cv 1.20 % 1.22 % 4 +ssa e = "Test text";_mean 1.82 ns 1.81 ns 4 +ssa e = "Test text";_median 1.82 ns 1.81 ns 4 +ssa e = "Test text";_stddev 0.019 ns 0.000 ns 4 +ssa e = "Test text";_cv 1.04 % 0.00 % 4 +stringa e = "Test text";_mean 3.00 ns 3.00 ns 4 +stringa e = "Test text";_median 2.98 ns 2.98 ns 4 +stringa e = "Test text";_stddev 0.082 ns 0.083 ns 4 +stringa e = "Test text";_cv 2.72 % 2.78 % 4 +lstringa<20> e = "Test text";_mean 2.53 ns 2.53 ns 4 +lstringa<20> e = "Test text";_median 2.51 ns 2.51 ns 4 +lstringa<20> e = "Test text";_stddev 0.043 ns 0.028 ns 4 +lstringa<20> e = "Test text";_cv 1.71 % 1.10 % 4 +lstringa<40> e = "Test text";_mean 2.56 ns 2.55 ns 4 +lstringa<40> e = "Test text";_median 2.55 ns 2.54 ns 4 +lstringa<40> e = "Test text";_stddev 0.041 ns 0.053 ns 4 +lstringa<40> e = "Test text";_cv 1.59 % 2.09 % 4 ----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890";_mean 80.2 ns 80.2 ns 4 -std::string e = "123456789012345678901234567890";_median 80.5 ns 80.2 ns 4 -std::string e = "123456789012345678901234567890";_stddev 0.767 ns 0.000 ns 4 -std::string e = "123456789012345678901234567890";_cv 0.96 % 0.00 % 4 -std::string_view e = "123456789012345678901234567890";_mean 1.82 ns 1.81 ns 4 -std::string_view e = "123456789012345678901234567890";_median 1.83 ns 1.80 ns 4 -std::string_view e = "123456789012345678901234567890";_stddev 0.027 ns 0.021 ns 4 -std::string_view e = "123456789012345678901234567890";_cv 1.48 % 1.16 % 4 -ssa e = "123456789012345678901234567890";_mean 1.84 ns 1.84 ns 4 -ssa e = "123456789012345678901234567890";_median 1.83 ns 1.82 ns 4 -ssa e = "123456789012345678901234567890";_stddev 0.027 ns 0.059 ns 4 -ssa e = "123456789012345678901234567890";_cv 1.47 % 3.21 % 4 -stringa e = "123456789012345678901234567890";_mean 2.52 ns 2.51 ns 4 -stringa e = "123456789012345678901234567890";_median 2.52 ns 2.51 ns 4 -stringa e = "123456789012345678901234567890";_stddev 0.032 ns 0.000 ns 4 -stringa e = "123456789012345678901234567890";_cv 1.28 % 0.00 % 4 -lstringa<20> e = "123456789012345678901234567890";_mean 77.3 ns 76.3 ns 4 -lstringa<20> e = "123456789012345678901234567890";_median 76.4 ns 75.9 ns 4 -lstringa<20> e = "123456789012345678901234567890";_stddev 3.53 ns 1.67 ns 4 -lstringa<20> e = "123456789012345678901234567890";_cv 4.57 % 2.19 % 4 -lstringa<40> e = "123456789012345678901234567890";_mean 3.30 ns 3.31 ns 4 -lstringa<40> e = "123456789012345678901234567890";_median 3.31 ns 3.31 ns 4 -lstringa<40> e = "123456789012345678901234567890";_stddev 0.012 ns 0.040 ns 4 -lstringa<40> e = "123456789012345678901234567890";_cv 0.38 % 1.22 % 4 +std::string e = "123456789012345678901234567890";_mean 79.5 ns 79.8 ns 4 +std::string e = "123456789012345678901234567890";_median 79.5 ns 79.3 ns 4 +std::string e = "123456789012345678901234567890";_stddev 1.49 ns 1.67 ns 4 +std::string e = "123456789012345678901234567890";_cv 1.87 % 2.09 % 4 +std::string_view e = "123456789012345678901234567890";_mean 1.83 ns 1.82 ns 4 +std::string_view e = "123456789012345678901234567890";_median 1.82 ns 1.82 ns 4 +std::string_view e = "123456789012345678901234567890";_stddev 0.033 ns 0.022 ns 4 +std::string_view e = "123456789012345678901234567890";_cv 1.79 % 1.22 % 4 +ssa e = "123456789012345678901234567890";_mean 1.82 ns 1.82 ns 4 +ssa e = "123456789012345678901234567890";_median 1.82 ns 1.84 ns 4 +ssa e = "123456789012345678901234567890";_stddev 0.013 ns 0.043 ns 4 +ssa e = "123456789012345678901234567890";_cv 0.74 % 2.38 % 4 +stringa e = "123456789012345678901234567890";_mean 2.20 ns 2.18 ns 4 +stringa e = "123456789012345678901234567890";_median 2.22 ns 2.20 ns 4 +stringa e = "123456789012345678901234567890";_stddev 0.056 ns 0.079 ns 4 +stringa e = "123456789012345678901234567890";_cv 2.55 % 3.63 % 4 +lstringa<20> e = "123456789012345678901234567890";_mean 81.8 ns 82.0 ns 4 +lstringa<20> e = "123456789012345678901234567890";_median 80.7 ns 81.1 ns 4 +lstringa<20> e = "123456789012345678901234567890";_stddev 3.43 ns 3.77 ns 4 +lstringa<20> e = "123456789012345678901234567890";_cv 4.19 % 4.60 % 4 +lstringa<40> e = "123456789012345678901234567890";_mean 3.35 ns 3.36 ns 4 +lstringa<40> e = "123456789012345678901234567890";_median 3.35 ns 3.34 ns 4 +lstringa<40> e = "123456789012345678901234567890";_stddev 0.051 ns 0.073 ns 4 +lstringa<40> e = "123456789012345678901234567890";_cv 1.52 % 2.19 % 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 5.24 ns 5.27 ns 4 -std::string e = "Test text"; auto c{e};_median 5.26 ns 5.31 ns 4 -std::string e = "Test text"; auto c{e};_stddev 0.076 ns 0.078 ns 4 -std::string e = "Test text"; auto c{e};_cv 1.46 % 1.48 % 4 -std::string_view e = "Test text"; auto c{e};_mean 2.91 ns 2.90 ns 4 -std::string_view e = "Test text"; auto c{e};_median 2.89 ns 2.92 ns 4 -std::string_view e = "Test text"; auto c{e};_stddev 0.077 ns 0.033 ns 4 -std::string_view e = "Test text"; auto c{e};_cv 2.65 % 1.14 % 4 -ssa e = "Test text"; auto c{e};_mean 2.88 ns 2.89 ns 4 -ssa e = "Test text"; auto c{e};_median 2.88 ns 2.89 ns 4 -ssa e = "Test text"; auto c{e};_stddev 0.022 ns 0.000 ns 4 -ssa e = "Test text"; auto c{e};_cv 0.75 % 0.00 % 4 -stringa e = "Test text"; auto c{e};_mean 4.09 ns 4.10 ns 4 -stringa e = "Test text"; auto c{e};_median 4.04 ns 4.05 ns 4 -stringa e = "Test text"; auto c{e};_stddev 0.115 ns 0.123 ns 4 -stringa e = "Test text"; auto c{e};_cv 2.81 % 3.01 % 4 -lstringa<20> e = "Test text"; auto c{e};_mean 7.60 ns 7.60 ns 4 -lstringa<20> e = "Test text"; auto c{e};_median 7.61 ns 7.60 ns 4 -lstringa<20> e = "Test text"; auto c{e};_stddev 0.034 ns 0.081 ns 4 -lstringa<20> e = "Test text"; auto c{e};_cv 0.44 % 1.06 % 4 -lstringa<40> e = "Test text"; auto c{e};_mean 8.37 ns 8.33 ns 4 -lstringa<40> e = "Test text"; auto c{e};_median 8.43 ns 8.28 ns 4 -lstringa<40> e = "Test text"; auto c{e};_stddev 0.129 ns 0.167 ns 4 -lstringa<40> e = "Test text"; auto c{e};_cv 1.55 % 2.01 % 4 +std::string e = "Test text"; auto c{e};_mean 5.06 ns 5.08 ns 4 +std::string e = "Test text"; auto c{e};_median 5.06 ns 5.08 ns 4 +std::string e = "Test text"; auto c{e};_stddev 0.048 ns 0.090 ns 4 +std::string e = "Test text"; auto c{e};_cv 0.95 % 1.78 % 4 +std::string_view e = "Test text"; auto c{e};_mean 3.80 ns 3.79 ns 4 +std::string_view e = "Test text"; auto c{e};_median 3.80 ns 3.77 ns 4 +std::string_view e = "Test text"; auto c{e};_stddev 0.024 ns 0.042 ns 4 +std::string_view e = "Test text"; auto c{e};_cv 0.64 % 1.10 % 4 +ssa e = "Test text"; auto c{e};_mean 3.79 ns 3.79 ns 4 +ssa e = "Test text"; auto c{e};_median 3.79 ns 3.79 ns 4 +ssa e = "Test text"; auto c{e};_stddev 0.020 ns 0.050 ns 4 +ssa e = "Test text"; auto c{e};_cv 0.54 % 1.33 % 4 +stringa e = "Test text"; auto c{e};_mean 4.17 ns 4.17 ns 4 +stringa e = "Test text"; auto c{e};_median 4.17 ns 4.14 ns 4 +stringa e = "Test text"; auto c{e};_stddev 0.185 ns 0.209 ns 4 +stringa e = "Test text"; auto c{e};_cv 4.43 % 5.01 % 4 +lstringa<20> e = "Test text"; auto c{e};_mean 8.29 ns 8.21 ns 4 +lstringa<20> e = "Test text"; auto c{e};_median 8.43 ns 8.37 ns 4 +lstringa<20> e = "Test text"; auto c{e};_stddev 0.468 ns 0.494 ns 4 +lstringa<20> e = "Test text"; auto c{e};_cv 5.64 % 6.02 % 4 +lstringa<40> e = "Test text"; auto c{e};_mean 8.09 ns 8.07 ns 4 +lstringa<40> e = "Test text"; auto c{e};_median 8.10 ns 8.11 ns 4 +lstringa<40> e = "Test text"; auto c{e};_stddev 0.128 ns 0.167 ns 4 +lstringa<40> e = "Test text"; auto c{e};_cv 1.58 % 2.07 % 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 77.9 ns 77.2 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_median 77.3 ns 77.6 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.77 ns 1.67 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_cv 2.27 % 2.16 % 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 2.04 ns 2.04 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_median 2.03 ns 2.04 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.009 ns 0.000 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 0.44 % 0.00 % 4 -ssa e = "123456789012345678901234567890"; auto c{e};_mean 2.07 ns 2.06 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_median 2.06 ns 2.06 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.042 ns 0.059 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.04 % 2.84 % 4 -stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.94 ns 2.93 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_median 2.94 ns 2.93 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.060 ns 0.000 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_cv 2.03 % 0.00 % 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 80.5 ns 80.7 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 80.5 ns 80.2 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 3.16 ns 3.60 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 3.92 % 4.46 % 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 6.81 ns 6.80 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 6.75 ns 6.77 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.289 ns 0.238 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 4.24 % 3.50 % 4 +std::string e = "123456789012345678901234567890"; auto c{e};_mean 80.2 ns 80.0 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_median 80.3 ns 80.6 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.29 ns 2.00 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_cv 1.61 % 2.50 % 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.49 ns 1.49 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.48 ns 1.48 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.055 ns 0.054 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 3.71 % 3.65 % 4 +ssa e = "123456789012345678901234567890"; auto c{e};_mean 1.47 ns 1.46 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_median 1.46 ns 1.46 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.032 ns 0.018 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.19 % 1.24 % 4 +stringa e = "123456789012345678901234567890"; auto c{e};_mean 3.40 ns 3.40 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_median 3.39 ns 3.38 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.044 ns 0.067 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_cv 1.29 % 1.96 % 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 80.1 ns 80.2 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 79.8 ns 80.2 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 1.69 ns 1.42 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 2.11 % 1.77 % 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 7.07 ns 7.06 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 7.07 ns 7.15 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.177 ns 0.174 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 2.51 % 2.47 % 4 ----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find;_mean 43.7 ns 43.7 ns 4 -std::string::find;_median 44.0 ns 44.4 ns 4 -std::string::find;_stddev 2.22 ns 2.46 ns 4 -std::string::find;_cv 5.08 % 5.63 % 4 -std::string_view::find;_mean 42.1 ns 42.1 ns 4 -std::string_view::find;_median 42.4 ns 42.4 ns 4 -std::string_view::find;_stddev 2.36 ns 2.62 ns 4 -std::string_view::find;_cv 5.60 % 6.21 % 4 -ssa::find;_mean 22.2 ns 22.1 ns 4 -ssa::find;_median 22.0 ns 22.2 ns 4 -ssa::find;_stddev 0.556 ns 0.568 ns 4 -ssa::find;_cv 2.51 % 2.57 % 4 -stringa::find;_mean 30.3 ns 30.3 ns 4 -stringa::find;_median 30.2 ns 30.2 ns 4 -stringa::find;_stddev 1.36 ns 1.13 ns 4 -stringa::find;_cv 4.49 % 3.73 % 4 -lstringa<20>::find;_mean 20.4 ns 20.4 ns 4 -lstringa<20>::find;_median 20.4 ns 20.4 ns 4 -lstringa<20>::find;_stddev 0.386 ns 0.370 ns 4 -lstringa<20>::find;_cv 1.89 % 1.81 % 4 -lstringa<40>::find;_mean 22.4 ns 22.2 ns 4 -lstringa<40>::find;_median 22.5 ns 22.5 ns 4 -lstringa<40>::find;_stddev 0.556 ns 0.906 ns 4 -lstringa<40>::find;_cv 2.48 % 4.08 % 4 +std::string::find;_mean 41.5 ns 41.7 ns 4 +std::string::find;_median 41.3 ns 41.4 ns 4 +std::string::find;_stddev 1.68 ns 1.41 ns 4 +std::string::find;_cv 4.05 % 3.39 % 4 +std::string_view::find;_mean 39.7 ns 39.8 ns 4 +std::string_view::find;_median 39.5 ns 39.6 ns 4 +std::string_view::find;_stddev 1.08 ns 1.18 ns 4 +std::string_view::find;_cv 2.73 % 2.98 % 4 +ssa::find;_mean 21.7 ns 21.7 ns 4 +ssa::find;_median 21.8 ns 22.0 ns 4 +ssa::find;_stddev 0.407 ns 0.488 ns 4 +ssa::find;_cv 1.87 % 2.25 % 4 +stringa::find;_mean 29.8 ns 29.8 ns 4 +stringa::find;_median 29.7 ns 29.8 ns 4 +stringa::find;_stddev 0.402 ns 0.541 ns 4 +stringa::find;_cv 1.35 % 1.81 % 4 +lstringa<20>::find;_mean 22.1 ns 22.1 ns 4 +lstringa<20>::find;_median 22.1 ns 22.2 ns 4 +lstringa<20>::find;_stddev 0.633 ns 0.893 ns 4 +lstringa<20>::find;_cv 2.87 % 4.04 % 4 +lstringa<40>::find;_mean 20.5 ns 20.5 ns 4 +lstringa<40>::find;_median 20.5 ns 20.4 ns 4 +lstringa<40>::find;_stddev 0.253 ns 0.227 ns 4 +lstringa<40>::find;_cv 1.23 % 1.10 % 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 5.04 ns 5.04 ns 4 -std::string copy{str_with_len_N};/15_median 5.05 ns 5.08 ns 4 -std::string copy{str_with_len_N};/15_stddev 0.091 ns 0.150 ns 4 -std::string copy{str_with_len_N};/15_cv 1.81 % 2.97 % 4 -std::string copy{str_with_len_N};/16_mean 81.5 ns 81.5 ns 4 -std::string copy{str_with_len_N};/16_median 81.3 ns 81.1 ns 4 -std::string copy{str_with_len_N};/16_stddev 1.54 ns 1.67 ns 4 -std::string copy{str_with_len_N};/16_cv 1.89 % 2.05 % 4 -std::string copy{str_with_len_N};/23_mean 81.8 ns 81.5 ns 4 -std::string copy{str_with_len_N};/23_median 82.3 ns 81.1 ns 4 -std::string copy{str_with_len_N};/23_stddev 2.31 ns 2.98 ns 4 -std::string copy{str_with_len_N};/23_cv 2.82 % 3.65 % 4 -std::string copy{str_with_len_N};/24_mean 82.5 ns 82.4 ns 4 -std::string copy{str_with_len_N};/24_median 82.3 ns 82.0 ns 4 -std::string copy{str_with_len_N};/24_stddev 2.02 ns 2.62 ns 4 -std::string copy{str_with_len_N};/24_cv 2.45 % 3.17 % 4 -std::string copy{str_with_len_N};/32_mean 86.1 ns 86.3 ns 4 -std::string copy{str_with_len_N};/32_median 86.4 ns 86.3 ns 4 -std::string copy{str_with_len_N};/32_stddev 1.55 ns 1.01 ns 4 -std::string copy{str_with_len_N};/32_cv 1.80 % 1.17 % 4 -std::string copy{str_with_len_N};/64_mean 87.9 ns 88.1 ns 4 -std::string copy{str_with_len_N};/64_median 87.3 ns 88.1 ns 4 -std::string copy{str_with_len_N};/64_stddev 2.18 ns 2.25 ns 4 -std::string copy{str_with_len_N};/64_cv 2.48 % 2.56 % 4 -std::string copy{str_with_len_N};/128_mean 90.1 ns 90.0 ns 4 -std::string copy{str_with_len_N};/128_median 90.0 ns 90.0 ns 4 -std::string copy{str_with_len_N};/128_stddev 1.15 ns 1.71 ns 4 -std::string copy{str_with_len_N};/128_cv 1.28 % 1.90 % 4 -std::string copy{str_with_len_N};/256_mean 88.2 ns 88.1 ns 4 -std::string copy{str_with_len_N};/256_median 88.0 ns 88.1 ns 4 -std::string copy{str_with_len_N};/256_stddev 2.89 ns 2.25 ns 4 -std::string copy{str_with_len_N};/256_cv 3.27 % 2.56 % 4 -std::string copy{str_with_len_N};/512_mean 89.4 ns 89.5 ns 4 -std::string copy{str_with_len_N};/512_median 89.2 ns 88.9 ns 4 -std::string copy{str_with_len_N};/512_stddev 1.32 ns 2.00 ns 4 -std::string copy{str_with_len_N};/512_cv 1.48 % 2.24 % 4 -std::string copy{str_with_len_N};/1024_mean 95.2 ns 95.2 ns 4 -std::string copy{str_with_len_N};/1024_median 95.4 ns 95.2 ns 4 -std::string copy{str_with_len_N};/1024_stddev 1.20 ns 1.21 ns 4 -std::string copy{str_with_len_N};/1024_cv 1.26 % 1.27 % 4 -std::string copy{str_with_len_N};/2048_mean 134 ns 133 ns 4 -std::string copy{str_with_len_N};/2048_median 130 ns 129 ns 4 -std::string copy{str_with_len_N};/2048_stddev 9.78 ns 9.42 ns 4 -std::string copy{str_with_len_N};/2048_cv 7.32 % 7.06 % 4 -std::string copy{str_with_len_N};/4096_mean 184 ns 184 ns 4 -std::string copy{str_with_len_N};/4096_median 183 ns 184 ns 4 -std::string copy{str_with_len_N};/4096_stddev 1.71 ns 3.42 ns 4 -std::string copy{str_with_len_N};/4096_cv 0.93 % 1.86 % 4 -stringa copy{str_with_len_N};/15_mean 4.01 ns 4.01 ns 4 -stringa copy{str_with_len_N};/15_median 4.02 ns 4.04 ns 4 -stringa copy{str_with_len_N};/15_stddev 0.119 ns 0.187 ns 4 -stringa copy{str_with_len_N};/15_cv 2.96 % 4.66 % 4 -stringa copy{str_with_len_N};/16_mean 3.99 ns 3.99 ns 4 -stringa copy{str_with_len_N};/16_median 3.97 ns 3.99 ns 4 -stringa copy{str_with_len_N};/16_stddev 0.044 ns 0.074 ns 4 -stringa copy{str_with_len_N};/16_cv 1.11 % 1.86 % 4 -stringa copy{str_with_len_N};/23_mean 4.11 ns 4.12 ns 4 -stringa copy{str_with_len_N};/23_median 4.06 ns 4.05 ns 4 -stringa copy{str_with_len_N};/23_stddev 0.134 ns 0.152 ns 4 -stringa copy{str_with_len_N};/23_cv 3.27 % 3.68 % 4 +std::string copy{str_with_len_N};/15_mean 4.36 ns 4.36 ns 4 +std::string copy{str_with_len_N};/15_median 4.34 ns 4.33 ns 4 +std::string copy{str_with_len_N};/15_stddev 0.104 ns 0.141 ns 4 +std::string copy{str_with_len_N};/15_cv 2.38 % 3.24 % 4 +std::string copy{str_with_len_N};/16_mean 84.6 ns 84.6 ns 4 +std::string copy{str_with_len_N};/16_median 85.0 ns 85.4 ns 4 +std::string copy{str_with_len_N};/16_stddev 1.28 ns 1.74 ns 4 +std::string copy{str_with_len_N};/16_cv 1.51 % 2.06 % 4 +std::string copy{str_with_len_N};/23_mean 83.2 ns 83.3 ns 4 +std::string copy{str_with_len_N};/23_median 82.9 ns 82.8 ns 4 +std::string copy{str_with_len_N};/23_stddev 1.83 ns 1.67 ns 4 +std::string copy{str_with_len_N};/23_cv 2.20 % 2.01 % 4 +std::string copy{str_with_len_N};/24_mean 86.1 ns 85.9 ns 4 +std::string copy{str_with_len_N};/24_median 85.8 ns 85.4 ns 4 +std::string copy{str_with_len_N};/24_stddev 2.77 ns 2.19 ns 4 +std::string copy{str_with_len_N};/24_cv 3.22 % 2.55 % 4 +std::string copy{str_with_len_N};/32_mean 85.4 ns 85.4 ns 4 +std::string copy{str_with_len_N};/32_median 85.0 ns 85.4 ns 4 +std::string copy{str_with_len_N};/32_stddev 3.07 ns 3.18 ns 4 +std::string copy{str_with_len_N};/32_cv 3.60 % 3.73 % 4 +std::string copy{str_with_len_N};/64_mean 81.6 ns 81.6 ns 4 +std::string copy{str_with_len_N};/64_median 81.5 ns 81.6 ns 4 +std::string copy{str_with_len_N};/64_stddev 2.90 ns 2.42 ns 4 +std::string copy{str_with_len_N};/64_cv 3.56 % 2.96 % 4 +std::string copy{str_with_len_N};/128_mean 88.6 ns 88.5 ns 4 +std::string copy{str_with_len_N};/128_median 88.7 ns 88.9 ns 4 +std::string copy{str_with_len_N};/128_stddev 4.10 ns 3.87 ns 4 +std::string copy{str_with_len_N};/128_cv 4.63 % 4.37 % 4 +std::string copy{str_with_len_N};/256_mean 90.1 ns 90.2 ns 4 +std::string copy{str_with_len_N};/256_median 90.1 ns 89.8 ns 4 +std::string copy{str_with_len_N};/256_stddev 7.72 ns 7.98 ns 4 +std::string copy{str_with_len_N};/256_cv 8.57 % 8.84 % 4 +std::string copy{str_with_len_N};/512_mean 89.3 ns 89.4 ns 4 +std::string copy{str_with_len_N};/512_median 89.5 ns 89.8 ns 4 +std::string copy{str_with_len_N};/512_stddev 2.37 ns 1.67 ns 4 +std::string copy{str_with_len_N};/512_cv 2.65 % 1.87 % 4 +std::string copy{str_with_len_N};/1024_mean 95.8 ns 95.7 ns 4 +std::string copy{str_with_len_N};/1024_median 96.0 ns 95.2 ns 4 +std::string copy{str_with_len_N};/1024_stddev 4.07 ns 3.57 ns 4 +std::string copy{str_with_len_N};/1024_cv 4.25 % 3.73 % 4 +std::string copy{str_with_len_N};/2048_mean 132 ns 132 ns 4 +std::string copy{str_with_len_N};/2048_median 131 ns 130 ns 4 +std::string copy{str_with_len_N};/2048_stddev 7.07 ns 7.34 ns 4 +std::string copy{str_with_len_N};/2048_cv 5.36 % 5.57 % 4 +std::string copy{str_with_len_N};/4096_mean 180 ns 180 ns 4 +std::string copy{str_with_len_N};/4096_median 179 ns 180 ns 4 +std::string copy{str_with_len_N};/4096_stddev 3.73 ns 3.42 ns 4 +std::string copy{str_with_len_N};/4096_cv 2.07 % 1.90 % 4 +stringa copy{str_with_len_N};/15_mean 3.97 ns 3.97 ns 4 +stringa copy{str_with_len_N};/15_median 3.97 ns 3.99 ns 4 +stringa copy{str_with_len_N};/15_stddev 0.018 ns 0.045 ns 4 +stringa copy{str_with_len_N};/15_cv 0.46 % 1.14 % 4 +stringa copy{str_with_len_N};/16_mean 4.09 ns 4.08 ns 4 +stringa copy{str_with_len_N};/16_median 4.09 ns 4.05 ns 4 +stringa copy{str_with_len_N};/16_stddev 0.143 ns 0.149 ns 4 +stringa copy{str_with_len_N};/16_cv 3.48 % 3.65 % 4 +stringa copy{str_with_len_N};/23_mean 4.04 ns 4.04 ns 4 +stringa copy{str_with_len_N};/23_median 4.07 ns 4.08 ns 4 +stringa copy{str_with_len_N};/23_stddev 0.107 ns 0.091 ns 4 +stringa copy{str_with_len_N};/23_cv 2.66 % 2.25 % 4 stringa copy{str_with_len_N};/24_mean 18.4 ns 18.3 ns 4 stringa copy{str_with_len_N};/24_median 18.4 ns 18.4 ns 4 -stringa copy{str_with_len_N};/24_stddev 0.184 ns 0.209 ns 4 -stringa copy{str_with_len_N};/24_cv 1.00 % 1.14 % 4 -stringa copy{str_with_len_N};/32_mean 18.6 ns 18.6 ns 4 -stringa copy{str_with_len_N};/32_median 18.3 ns 18.4 ns 4 -stringa copy{str_with_len_N};/32_stddev 0.686 ns 0.419 ns 4 -stringa copy{str_with_len_N};/32_cv 3.69 % 2.25 % 4 -stringa copy{str_with_len_N};/64_mean 18.8 ns 18.7 ns 4 -stringa copy{str_with_len_N};/64_median 18.7 ns 18.6 ns 4 -stringa copy{str_with_len_N};/64_stddev 0.314 ns 0.401 ns 4 -stringa copy{str_with_len_N};/64_cv 1.67 % 2.14 % 4 -stringa copy{str_with_len_N};/128_mean 18.4 ns 18.4 ns 4 -stringa copy{str_with_len_N};/128_median 18.4 ns 18.4 ns 4 -stringa copy{str_with_len_N};/128_stddev 0.075 ns 0.000 ns 4 -stringa copy{str_with_len_N};/128_cv 0.41 % 0.00 % 4 -stringa copy{str_with_len_N};/256_mean 18.3 ns 18.3 ns 4 -stringa copy{str_with_len_N};/256_median 18.3 ns 18.4 ns 4 -stringa copy{str_with_len_N};/256_stddev 0.155 ns 0.209 ns 4 -stringa copy{str_with_len_N};/256_cv 0.85 % 1.14 % 4 -stringa copy{str_with_len_N};/512_mean 18.4 ns 18.4 ns 4 -stringa copy{str_with_len_N};/512_median 18.3 ns 18.4 ns 4 -stringa copy{str_with_len_N};/512_stddev 0.091 ns 0.342 ns 4 -stringa copy{str_with_len_N};/512_cv 0.50 % 1.86 % 4 -stringa copy{str_with_len_N};/1024_mean 18.3 ns 18.3 ns 4 -stringa copy{str_with_len_N};/1024_median 18.3 ns 18.4 ns 4 -stringa copy{str_with_len_N};/1024_stddev 0.033 ns 0.192 ns 4 -stringa copy{str_with_len_N};/1024_cv 0.18 % 1.05 % 4 -stringa copy{str_with_len_N};/2048_mean 18.3 ns 18.3 ns 4 -stringa copy{str_with_len_N};/2048_median 18.3 ns 18.4 ns 4 -stringa copy{str_with_len_N};/2048_stddev 0.096 ns 0.209 ns 4 -stringa copy{str_with_len_N};/2048_cv 0.52 % 1.14 % 4 -stringa copy{str_with_len_N};/4096_mean 19.6 ns 19.5 ns 4 -stringa copy{str_with_len_N};/4096_median 19.5 ns 19.3 ns 4 -stringa copy{str_with_len_N};/4096_stddev 1.61 ns 1.74 ns 4 -stringa copy{str_with_len_N};/4096_cv 8.20 % 8.90 % 4 -lstringa<16> copy{str_with_len_N};/15_mean 7.23 ns 7.24 ns 4 -lstringa<16> copy{str_with_len_N};/15_median 7.26 ns 7.24 ns 4 -lstringa<16> copy{str_with_len_N};/15_stddev 0.077 ns 0.101 ns 4 -lstringa<16> copy{str_with_len_N};/15_cv 1.07 % 1.39 % 4 -lstringa<16> copy{str_with_len_N};/16_mean 7.89 ns 7.89 ns 4 -lstringa<16> copy{str_with_len_N};/16_median 7.83 ns 7.85 ns 4 -lstringa<16> copy{str_with_len_N};/16_stddev 0.449 ns 0.387 ns 4 -lstringa<16> copy{str_with_len_N};/16_cv 5.70 % 4.90 % 4 -lstringa<16> copy{str_with_len_N};/23_mean 7.64 ns 7.60 ns 4 -lstringa<16> copy{str_with_len_N};/23_median 7.46 ns 7.46 ns 4 -lstringa<16> copy{str_with_len_N};/23_stddev 0.453 ns 0.434 ns 4 -lstringa<16> copy{str_with_len_N};/23_cv 5.93 % 5.70 % 4 -lstringa<16> copy{str_with_len_N};/24_mean 83.5 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/24_median 83.2 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/24_stddev 5.35 ns 5.70 ns 4 -lstringa<16> copy{str_with_len_N};/24_cv 6.40 % 6.80 % 4 -lstringa<16> copy{str_with_len_N};/32_mean 87.1 ns 87.2 ns 4 -lstringa<16> copy{str_with_len_N};/32_median 85.8 ns 85.4 ns 4 -lstringa<16> copy{str_with_len_N};/32_stddev 4.63 ns 4.93 ns 4 -lstringa<16> copy{str_with_len_N};/32_cv 5.32 % 5.66 % 4 -lstringa<16> copy{str_with_len_N};/64_mean 83.7 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/64_median 83.1 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/64_stddev 2.54 ns 2.85 ns 4 -lstringa<16> copy{str_with_len_N};/64_cv 3.03 % 3.40 % 4 -lstringa<16> copy{str_with_len_N};/128_mean 84.1 ns 83.3 ns 4 -lstringa<16> copy{str_with_len_N};/128_median 84.1 ns 83.7 ns 4 -lstringa<16> copy{str_with_len_N};/128_stddev 1.38 ns 0.872 ns 4 -lstringa<16> copy{str_with_len_N};/128_cv 1.64 % 1.05 % 4 -lstringa<16> copy{str_with_len_N};/256_mean 85.9 ns 85.4 ns 4 -lstringa<16> copy{str_with_len_N};/256_median 85.7 ns 85.4 ns 4 -lstringa<16> copy{str_with_len_N};/256_stddev 1.07 ns 1.42 ns 4 -lstringa<16> copy{str_with_len_N};/256_cv 1.25 % 1.67 % 4 -lstringa<16> copy{str_with_len_N};/512_mean 87.4 ns 86.8 ns 4 -lstringa<16> copy{str_with_len_N};/512_median 86.8 ns 86.3 ns 4 -lstringa<16> copy{str_with_len_N};/512_stddev 3.43 ns 2.98 ns 4 -lstringa<16> copy{str_with_len_N};/512_cv 3.92 % 3.43 % 4 -lstringa<16> copy{str_with_len_N};/1024_mean 96.4 ns 96.8 ns 4 -lstringa<16> copy{str_with_len_N};/1024_median 95.7 ns 96.3 ns 4 -lstringa<16> copy{str_with_len_N};/1024_stddev 2.30 ns 1.05 ns 4 -lstringa<16> copy{str_with_len_N};/1024_cv 2.39 % 1.08 % 4 -lstringa<16> copy{str_with_len_N};/2048_mean 131 ns 132 ns 4 -lstringa<16> copy{str_with_len_N};/2048_median 134 ns 134 ns 4 -lstringa<16> copy{str_with_len_N};/2048_stddev 7.41 ns 6.19 ns 4 -lstringa<16> copy{str_with_len_N};/2048_cv 5.64 % 4.69 % 4 -lstringa<16> copy{str_with_len_N};/4096_mean 193 ns 193 ns 4 -lstringa<16> copy{str_with_len_N};/4096_median 191 ns 190 ns 4 -lstringa<16> copy{str_with_len_N};/4096_stddev 7.22 ns 5.92 ns 4 -lstringa<16> copy{str_with_len_N};/4096_cv 3.74 % 3.07 % 4 -lstringa<512> copy{str_with_len_N};/15_mean 8.05 ns 8.02 ns 4 -lstringa<512> copy{str_with_len_N};/15_median 8.09 ns 8.02 ns 4 -lstringa<512> copy{str_with_len_N};/15_stddev 0.113 ns 0.201 ns 4 -lstringa<512> copy{str_with_len_N};/15_cv 1.41 % 2.51 % 4 -lstringa<512> copy{str_with_len_N};/16_mean 8.06 ns 8.07 ns 4 -lstringa<512> copy{str_with_len_N};/16_median 8.13 ns 8.11 ns 4 -lstringa<512> copy{str_with_len_N};/16_stddev 0.162 ns 0.167 ns 4 -lstringa<512> copy{str_with_len_N};/16_cv 2.01 % 2.07 % 4 -lstringa<512> copy{str_with_len_N};/23_mean 8.24 ns 8.24 ns 4 -lstringa<512> copy{str_with_len_N};/23_median 8.16 ns 8.20 ns 4 -lstringa<512> copy{str_with_len_N};/23_stddev 0.319 ns 0.360 ns 4 -lstringa<512> copy{str_with_len_N};/23_cv 3.87 % 4.36 % 4 -lstringa<512> copy{str_with_len_N};/24_mean 8.02 ns 7.95 ns 4 -lstringa<512> copy{str_with_len_N};/24_median 8.02 ns 7.95 ns 4 -lstringa<512> copy{str_with_len_N};/24_stddev 0.037 ns 0.171 ns 4 -lstringa<512> copy{str_with_len_N};/24_cv 0.46 % 2.15 % 4 -lstringa<512> copy{str_with_len_N};/32_mean 10.9 ns 10.9 ns 4 -lstringa<512> copy{str_with_len_N};/32_median 10.9 ns 11.0 ns 4 -lstringa<512> copy{str_with_len_N};/32_stddev 0.124 ns 0.122 ns 4 -lstringa<512> copy{str_with_len_N};/32_cv 1.14 % 1.12 % 4 -lstringa<512> copy{str_with_len_N};/64_mean 10.8 ns 10.8 ns 4 -lstringa<512> copy{str_with_len_N};/64_median 10.8 ns 10.8 ns 4 -lstringa<512> copy{str_with_len_N};/64_stddev 0.153 ns 0.200 ns 4 -lstringa<512> copy{str_with_len_N};/64_cv 1.41 % 1.85 % 4 -lstringa<512> copy{str_with_len_N};/128_mean 11.4 ns 11.4 ns 4 -lstringa<512> copy{str_with_len_N};/128_median 11.5 ns 11.5 ns 4 -lstringa<512> copy{str_with_len_N};/128_stddev 0.287 ns 0.366 ns 4 -lstringa<512> copy{str_with_len_N};/128_cv 2.51 % 3.21 % 4 -lstringa<512> copy{str_with_len_N};/256_mean 12.4 ns 12.3 ns 4 -lstringa<512> copy{str_with_len_N};/256_median 12.3 ns 12.3 ns 4 -lstringa<512> copy{str_with_len_N};/256_stddev 0.188 ns 0.419 ns 4 -lstringa<512> copy{str_with_len_N};/256_cv 1.52 % 3.39 % 4 -lstringa<512> copy{str_with_len_N};/512_mean 14.2 ns 14.1 ns 4 -lstringa<512> copy{str_with_len_N};/512_median 14.1 ns 14.0 ns 4 -lstringa<512> copy{str_with_len_N};/512_stddev 0.527 ns 0.604 ns 4 -lstringa<512> copy{str_with_len_N};/512_cv 3.70 % 4.28 % 4 -lstringa<512> copy{str_with_len_N};/1024_mean 99.5 ns 99.8 ns 4 -lstringa<512> copy{str_with_len_N};/1024_median 102 ns 101 ns 4 -lstringa<512> copy{str_with_len_N};/1024_stddev 6.10 ns 5.40 ns 4 -lstringa<512> copy{str_with_len_N};/1024_cv 6.14 % 5.41 % 4 -lstringa<512> copy{str_with_len_N};/2048_mean 132 ns 132 ns 4 -lstringa<512> copy{str_with_len_N};/2048_median 132 ns 133 ns 4 -lstringa<512> copy{str_with_len_N};/2048_stddev 2.12 ns 2.67 ns 4 -lstringa<512> copy{str_with_len_N};/2048_cv 1.60 % 2.03 % 4 -lstringa<512> copy{str_with_len_N};/4096_mean 194 ns 195 ns 4 -lstringa<512> copy{str_with_len_N};/4096_median 194 ns 195 ns 4 -lstringa<512> copy{str_with_len_N};/4096_stddev 1.94 ns 2.42 ns 4 -lstringa<512> copy{str_with_len_N};/4096_cv 1.00 % 1.24 % 4 +stringa copy{str_with_len_N};/24_stddev 0.129 ns 0.209 ns 4 +stringa copy{str_with_len_N};/24_cv 0.71 % 1.14 % 4 +stringa copy{str_with_len_N};/32_mean 19.0 ns 18.8 ns 4 +stringa copy{str_with_len_N};/32_median 19.0 ns 18.8 ns 4 +stringa copy{str_with_len_N};/32_stddev 0.193 ns 0.342 ns 4 +stringa copy{str_with_len_N};/32_cv 1.02 % 1.81 % 4 +stringa copy{str_with_len_N};/64_mean 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/64_median 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/64_stddev 0.159 ns 0.000 ns 4 +stringa copy{str_with_len_N};/64_cv 0.86 % 0.00 % 4 +stringa copy{str_with_len_N};/128_mean 18.9 ns 18.7 ns 4 +stringa copy{str_with_len_N};/128_median 18.5 ns 18.6 ns 4 +stringa copy{str_with_len_N};/128_stddev 0.698 ns 0.715 ns 4 +stringa copy{str_with_len_N};/128_cv 3.70 % 3.82 % 4 +stringa copy{str_with_len_N};/256_mean 18.2 ns 18.2 ns 4 +stringa copy{str_with_len_N};/256_median 18.2 ns 18.1 ns 4 +stringa copy{str_with_len_N};/256_stddev 0.086 ns 0.227 ns 4 +stringa copy{str_with_len_N};/256_cv 0.47 % 1.24 % 4 +stringa copy{str_with_len_N};/512_mean 18.5 ns 18.4 ns 4 +stringa copy{str_with_len_N};/512_median 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/512_stddev 0.174 ns 0.313 ns 4 +stringa copy{str_with_len_N};/512_cv 0.94 % 1.70 % 4 +stringa copy{str_with_len_N};/1024_mean 18.4 ns 18.2 ns 4 +stringa copy{str_with_len_N};/1024_median 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/1024_stddev 0.051 ns 0.419 ns 4 +stringa copy{str_with_len_N};/1024_cv 0.28 % 2.30 % 4 +stringa copy{str_with_len_N};/2048_mean 18.3 ns 18.1 ns 4 +stringa copy{str_with_len_N};/2048_median 18.3 ns 18.0 ns 4 +stringa copy{str_with_len_N};/2048_stddev 0.078 ns 0.192 ns 4 +stringa copy{str_with_len_N};/2048_cv 0.42 % 1.06 % 4 +stringa copy{str_with_len_N};/4096_mean 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/4096_median 18.4 ns 18.4 ns 4 +stringa copy{str_with_len_N};/4096_stddev 0.123 ns 0.000 ns 4 +stringa copy{str_with_len_N};/4096_cv 0.67 % 0.00 % 4 +lstringa<16> copy{str_with_len_N};/15_mean 8.05 ns 7.98 ns 4 +lstringa<16> copy{str_with_len_N};/15_median 7.91 ns 7.85 ns 4 +lstringa<16> copy{str_with_len_N};/15_stddev 0.387 ns 0.387 ns 4 +lstringa<16> copy{str_with_len_N};/15_cv 4.80 % 4.85 % 4 +lstringa<16> copy{str_with_len_N};/16_mean 8.00 ns 7.98 ns 4 +lstringa<16> copy{str_with_len_N};/16_median 7.91 ns 7.93 ns 4 +lstringa<16> copy{str_with_len_N};/16_stddev 0.457 ns 0.436 ns 4 +lstringa<16> copy{str_with_len_N};/16_cv 5.71 % 5.46 % 4 +lstringa<16> copy{str_with_len_N};/23_mean 8.62 ns 8.58 ns 4 +lstringa<16> copy{str_with_len_N};/23_median 8.50 ns 8.48 ns 4 +lstringa<16> copy{str_with_len_N};/23_stddev 0.804 ns 0.819 ns 4 +lstringa<16> copy{str_with_len_N};/23_cv 9.33 % 9.55 % 4 +lstringa<16> copy{str_with_len_N};/24_mean 86.2 ns 86.3 ns 4 +lstringa<16> copy{str_with_len_N};/24_median 86.5 ns 86.3 ns 4 +lstringa<16> copy{str_with_len_N};/24_stddev 6.52 ns 6.12 ns 4 +lstringa<16> copy{str_with_len_N};/24_cv 7.56 % 7.09 % 4 +lstringa<16> copy{str_with_len_N};/32_mean 85.7 ns 85.3 ns 4 +lstringa<16> copy{str_with_len_N};/32_median 86.0 ns 84.8 ns 4 +lstringa<16> copy{str_with_len_N};/32_stddev 3.38 ns 3.57 ns 4 +lstringa<16> copy{str_with_len_N};/32_cv 3.94 % 4.19 % 4 +lstringa<16> copy{str_with_len_N};/64_mean 82.9 ns 82.8 ns 4 +lstringa<16> copy{str_with_len_N};/64_median 83.3 ns 83.7 ns 4 +lstringa<16> copy{str_with_len_N};/64_stddev 1.61 ns 1.74 ns 4 +lstringa<16> copy{str_with_len_N};/64_cv 1.95 % 2.11 % 4 +lstringa<16> copy{str_with_len_N};/128_mean 87.2 ns 87.2 ns 4 +lstringa<16> copy{str_with_len_N};/128_median 87.2 ns 87.2 ns 4 +lstringa<16> copy{str_with_len_N};/128_stddev 1.70 ns 2.01 ns 4 +lstringa<16> copy{str_with_len_N};/128_cv 1.95 % 2.31 % 4 +lstringa<16> copy{str_with_len_N};/256_mean 87.6 ns 87.6 ns 4 +lstringa<16> copy{str_with_len_N};/256_median 87.8 ns 88.9 ns 4 +lstringa<16> copy{str_with_len_N};/256_stddev 2.03 ns 2.62 ns 4 +lstringa<16> copy{str_with_len_N};/256_cv 2.31 % 2.99 % 4 +lstringa<16> copy{str_with_len_N};/512_mean 92.1 ns 91.6 ns 4 +lstringa<16> copy{str_with_len_N};/512_median 91.9 ns 90.7 ns 4 +lstringa<16> copy{str_with_len_N};/512_stddev 4.32 ns 3.34 ns 4 +lstringa<16> copy{str_with_len_N};/512_cv 4.69 % 3.65 % 4 +lstringa<16> copy{str_with_len_N};/1024_mean 103 ns 103 ns 4 +lstringa<16> copy{str_with_len_N};/1024_median 103 ns 104 ns 4 +lstringa<16> copy{str_with_len_N};/1024_stddev 2.33 ns 2.00 ns 4 +lstringa<16> copy{str_with_len_N};/1024_cv 2.27 % 1.94 % 4 +lstringa<16> copy{str_with_len_N};/2048_mean 128 ns 129 ns 4 +lstringa<16> copy{str_with_len_N};/2048_median 128 ns 128 ns 4 +lstringa<16> copy{str_with_len_N};/2048_stddev 6.91 ns 7.82 ns 4 +lstringa<16> copy{str_with_len_N};/2048_cv 5.38 % 6.07 % 4 +lstringa<16> copy{str_with_len_N};/4096_mean 188 ns 187 ns 4 +lstringa<16> copy{str_with_len_N};/4096_median 187 ns 188 ns 4 +lstringa<16> copy{str_with_len_N};/4096_stddev 3.66 ns 2.09 ns 4 +lstringa<16> copy{str_with_len_N};/4096_cv 1.94 % 1.12 % 4 +lstringa<512> copy{str_with_len_N};/15_mean 8.52 ns 8.48 ns 4 +lstringa<512> copy{str_with_len_N};/15_median 8.56 ns 8.48 ns 4 +lstringa<512> copy{str_with_len_N};/15_stddev 0.186 ns 0.121 ns 4 +lstringa<512> copy{str_with_len_N};/15_cv 2.18 % 1.43 % 4 +lstringa<512> copy{str_with_len_N};/16_mean 8.53 ns 8.54 ns 4 +lstringa<512> copy{str_with_len_N};/16_median 8.35 ns 8.46 ns 4 +lstringa<512> copy{str_with_len_N};/16_stddev 0.413 ns 0.377 ns 4 +lstringa<512> copy{str_with_len_N};/16_cv 4.84 % 4.41 % 4 +lstringa<512> copy{str_with_len_N};/23_mean 8.48 ns 8.50 ns 4 +lstringa<512> copy{str_with_len_N};/23_median 8.41 ns 8.37 ns 4 +lstringa<512> copy{str_with_len_N};/23_stddev 0.212 ns 0.262 ns 4 +lstringa<512> copy{str_with_len_N};/23_cv 2.50 % 3.08 % 4 +lstringa<512> copy{str_with_len_N};/24_mean 8.74 ns 8.74 ns 4 +lstringa<512> copy{str_with_len_N};/24_median 8.87 ns 8.79 ns 4 +lstringa<512> copy{str_with_len_N};/24_stddev 0.384 ns 0.431 ns 4 +lstringa<512> copy{str_with_len_N};/24_cv 4.39 % 4.94 % 4 +lstringa<512> copy{str_with_len_N};/32_mean 11.9 ns 11.9 ns 4 +lstringa<512> copy{str_with_len_N};/32_median 11.9 ns 11.9 ns 4 +lstringa<512> copy{str_with_len_N};/32_stddev 0.248 ns 0.161 ns 4 +lstringa<512> copy{str_with_len_N};/32_cv 2.08 % 1.36 % 4 +lstringa<512> copy{str_with_len_N};/64_mean 11.8 ns 11.8 ns 4 +lstringa<512> copy{str_with_len_N};/64_median 11.8 ns 11.9 ns 4 +lstringa<512> copy{str_with_len_N};/64_stddev 0.204 ns 0.267 ns 4 +lstringa<512> copy{str_with_len_N};/64_cv 1.72 % 2.27 % 4 +lstringa<512> copy{str_with_len_N};/128_mean 12.3 ns 12.1 ns 4 +lstringa<512> copy{str_with_len_N};/128_median 12.3 ns 12.1 ns 4 +lstringa<512> copy{str_with_len_N};/128_stddev 0.124 ns 0.161 ns 4 +lstringa<512> copy{str_with_len_N};/128_cv 1.01 % 1.33 % 4 +lstringa<512> copy{str_with_len_N};/256_mean 13.0 ns 13.0 ns 4 +lstringa<512> copy{str_with_len_N};/256_median 13.0 ns 13.0 ns 4 +lstringa<512> copy{str_with_len_N};/256_stddev 0.140 ns 0.161 ns 4 +lstringa<512> copy{str_with_len_N};/256_cv 1.08 % 1.24 % 4 +lstringa<512> copy{str_with_len_N};/512_mean 14.4 ns 14.4 ns 4 +lstringa<512> copy{str_with_len_N};/512_median 14.5 ns 14.4 ns 4 +lstringa<512> copy{str_with_len_N};/512_stddev 0.255 ns 0.395 ns 4 +lstringa<512> copy{str_with_len_N};/512_cv 1.77 % 2.75 % 4 +lstringa<512> copy{str_with_len_N};/1024_mean 101 ns 101 ns 4 +lstringa<512> copy{str_with_len_N};/1024_median 97.0 ns 96.8 ns 4 +lstringa<512> copy{str_with_len_N};/1024_stddev 12.3 ns 11.8 ns 4 +lstringa<512> copy{str_with_len_N};/1024_cv 12.20 % 11.69 % 4 +lstringa<512> copy{str_with_len_N};/2048_mean 125 ns 125 ns 4 +lstringa<512> copy{str_with_len_N};/2048_median 124 ns 124 ns 4 +lstringa<512> copy{str_with_len_N};/2048_stddev 1.39 ns 2.67 ns 4 +lstringa<512> copy{str_with_len_N};/2048_cv 1.12 % 2.14 % 4 +lstringa<512> copy{str_with_len_N};/4096_mean 188 ns 187 ns 4 +lstringa<512> copy{str_with_len_N};/4096_median 189 ns 188 ns 4 +lstringa<512> copy{str_with_len_N};/4096_stddev 4.15 ns 5.27 ns 4 +lstringa<512> copy{str_with_len_N};/4096_cv 2.20 % 2.81 % 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 32.1 ns 32.0 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 32.4 ns 32.2 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.599 ns 0.384 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.87 % 1.20 % 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 13.7 ns 13.7 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 13.7 ns 13.7 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.045 ns 0.228 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 0.33 % 1.67 % 4 -stringa s = "123456789"; int res = s.to_int_mean 14.6 ns 14.6 ns 4 -stringa s = "123456789"; int res = s.to_int_median 14.6 ns 14.6 ns 4 -stringa s = "123456789"; int res = s.to_int_stddev 0.397 ns 0.523 ns 4 -stringa s = "123456789"; int res = s.to_int_cv 2.72 % 3.59 % 4 -ssa s = "123456789"; int res = s.to_int_mean 15.1 ns 15.1 ns 4 -ssa s = "123456789"; int res = s.to_int_median 15.2 ns 15.1 ns 4 -ssa s = "123456789"; int res = s.to_int_stddev 0.220 ns 0.362 ns 4 -ssa s = "123456789"; int res = s.to_int_cv 1.45 % 2.41 % 4 -lstringa<20> s = "123456789"; int res = s.to_int_mean 15.1 ns 15.1 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_median 15.1 ns 15.2 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.194 ns 0.334 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_cv 1.29 % 2.21 % 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 31.8 ns 31.5 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 31.5 ns 31.5 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 0.552 ns 0.000 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 1.74 % 0.00 % 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 14.0 ns 14.0 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 13.9 ns 14.0 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.525 ns 0.575 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 3.75 % 4.10 % 4 +stringa s = "123456789"; int res = s.to_int_mean 14.9 ns 14.9 ns 4 +stringa s = "123456789"; int res = s.to_int_median 15.0 ns 15.0 ns 4 +stringa s = "123456789"; int res = s.to_int_stddev 0.292 ns 0.523 ns 4 +stringa s = "123456789"; int res = s.to_int_cv 1.95 % 3.51 % 4 +ssa s = "123456789"; int res = s.to_int_mean 15.2 ns 15.0 ns 4 +ssa s = "123456789"; int res = s.to_int_median 15.1 ns 15.0 ns 4 +ssa s = "123456789"; int res = s.to_int_stddev 0.226 ns 0.285 ns 4 +ssa s = "123456789"; int res = s.to_int_cv 1.49 % 1.90 % 4 +lstringa<20> s = "123456789"; int res = s.to_int_mean 15.7 ns 15.6 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_median 15.6 ns 15.7 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.833 ns 0.851 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_cv 5.31 % 5.44 % 4 ----- Convert to unsigned 'abcDef' ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 35.5 ns 35.5 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 35.3 ns 35.3 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 1.30 ns 1.15 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 3.67 % 3.24 % 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 13.2 ns 13.1 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 13.3 ns 13.2 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.630 ns 0.647 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 4.78 % 4.94 % 4 -stringa s = "abcDef"; int res = s.to_int_mean 14.0 ns 14.0 ns 4 -stringa s = "abcDef"; int res = s.to_int_median 14.0 ns 14.0 ns 4 -stringa s = "abcDef"; int res = s.to_int_stddev 0.291 ns 0.285 ns 4 -stringa s = "abcDef"; int res = s.to_int_cv 2.08 % 2.04 % 4 -ssa s = "abcDef"; int res = s.to_int_mean 13.8 ns 13.7 ns 4 -ssa s = "abcDef"; int res = s.to_int_median 13.8 ns 13.7 ns 4 -ssa s = "abcDef"; int res = s.to_int_stddev 0.665 ns 0.785 ns 4 -ssa s = "abcDef"; int res = s.to_int_cv 4.82 % 5.71 % 4 -lstringa<20> s = "abcDef"; int res = s.to_int_mean 13.1 ns 13.0 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_median 13.1 ns 13.0 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.146 ns 0.181 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_cv 1.12 % 1.39 % 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 36.5 ns 36.3 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 36.5 ns 36.5 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 2.35 ns 2.21 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 6.43 % 6.09 % 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 9.40 ns 9.40 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 9.39 ns 9.40 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.146 ns 0.141 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.55 % 1.50 % 4 +stringa s = "abcDef"; int res = s.to_int_mean 14.3 ns 14.2 ns 4 +stringa s = "abcDef"; int res = s.to_int_median 14.1 ns 14.1 ns 4 +stringa s = "abcDef"; int res = s.to_int_stddev 0.478 ns 0.395 ns 4 +stringa s = "abcDef"; int res = s.to_int_cv 3.34 % 2.78 % 4 +ssa s = "abcDef"; int res = s.to_int_mean 12.8 ns 12.7 ns 4 +ssa s = "abcDef"; int res = s.to_int_median 12.8 ns 12.7 ns 4 +ssa s = "abcDef"; int res = s.to_int_stddev 0.257 ns 0.405 ns 4 +ssa s = "abcDef"; int res = s.to_int_cv 2.00 % 3.19 % 4 +lstringa<20> s = "abcDef"; int res = s.to_int_mean 14.5 ns 14.5 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_median 14.4 ns 14.6 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.451 ns 0.536 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_cv 3.11 % 3.69 % 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 44.6 ns 44.6 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 44.8 ns 44.9 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.507 ns 0.924 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.14 % 2.07 % 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 19.0 ns 18.8 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 19.0 ns 18.8 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.258 ns 0.585 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 1.36 % 3.11 % 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 17.5 ns 17.6 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 17.5 ns 17.5 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.280 ns 0.367 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.60 % 2.09 % 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 45.1 ns 45.0 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 45.0 ns 45.0 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.725 ns 0.584 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.61 % 1.30 % 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 22.6 ns 22.7 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 22.4 ns 22.4 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 1.32 ns 1.43 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 5.84 % 6.32 % 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 16.8 ns 16.9 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 16.8 ns 16.9 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 0.200 ns 0.313 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 1.19 % 1.86 % 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 99.7 ns 98.9 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 101 ns 98.9 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 2.63 ns 3.15 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 2.64 % 3.19 % 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 80.0 ns 79.8 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 79.4 ns 79.3 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 2.12 ns 2.98 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 2.65 % 3.73 % 4 -ssa s = "1234.567e10"; double res = *s.to_double()_mean 36.1 ns 36.1 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_median 36.4 ns 36.1 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.631 ns 0.655 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.75 % 1.81 % 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 99.9 ns 100 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 100.0 ns 100 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 2.58 ns 3.82 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 2.59 % 3.80 % 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 79.1 ns 79.0 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 78.7 ns 78.5 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 2.40 ns 2.00 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 3.03 % 2.54 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_mean 35.1 ns 34.9 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_median 35.0 ns 34.9 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.704 ns 0.463 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.01 % 1.33 % 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 5533 ns 5511 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_median 5544 ns 5511 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 62.7 ns 80.5 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_cv 1.13 % 1.46 % 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_mean 5721 ns 5720 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_median 5723 ns 5790 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 191 ns 197 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_cv 3.35 % 3.45 % 4 std::string str; ... str += "abbaabbaabbaabba";_mean 1309 ns 1311 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_median 1288 ns 1287 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_stddev 85.6 ns 74.2 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_cv 6.54 % 5.66 % 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 947 ns 942 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_median 947 ns 942 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 30.9 ns 17.1 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 3.26 % 1.81 % 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 523 ns 523 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_median 525 ns 523 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 16.5 ns 18.0 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 3.16 % 3.44 % 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 348 ns 347 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_median 348 ns 347 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 2.05 ns 4.83 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 0.59 % 1.39 % 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 234 ns 234 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 233 ns 234 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 3.17 ns 0.000 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.36 % 0.00 % 4 +std::string str; ... str += "abbaabbaabbaabba";_median 1308 ns 1311 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_stddev 45.6 ns 32.2 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_cv 3.49 % 2.46 % 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 919 ns 921 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_median 919 ns 921 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 5.60 ns 17.1 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 0.61 % 1.86 % 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 511 ns 512 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_median 510 ns 516 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 5.05 ns 7.81 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 0.99 % 1.53 % 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 355 ns 355 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_median 355 ns 353 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 3.31 ns 3.84 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 0.93 % 1.08 % 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 242 ns 242 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 241 ns 241 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 4.65 ns 6.58 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.92 % 2.72 % 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 5823 ns 5824 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 5766 ns 5790 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 448 ns 461 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 7.69 % 7.91 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 4097 ns 4054 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_median 4137 ns 4098 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 114 ns 87.2 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 2.77 % 2.15 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 880 ns 879 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 819 ns 818 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 133 ns 131 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 15.11 % 14.87 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 561 ns 559 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 563 ns 555 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 43.2 ns 43.0 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 7.69 % 7.70 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 380 ns 379 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 372 ns 372 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 22.7 ns 15.8 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 5.96 % 4.18 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 277 ns 276 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 279 ns 279 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 11.3 ns 11.4 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.07 % 4.12 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 5561 ns 5547 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 5420 ns 5391 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 413 ns 372 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 7.42 % 6.71 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 3842 ns 3854 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_median 3825 ns 3854 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 65.7 ns 52.4 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 1.71 % 1.36 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 828 ns 828 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 827 ns 828 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 23.2 ns 22.5 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.80 % 2.72 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 546 ns 547 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 548 ns 547 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 24.9 ns 18.0 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.56 % 3.30 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 384 ns 383 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 384 ns 381 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 15.2 ns 16.5 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.96 % 4.32 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 267 ns 265 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 267 ns 267 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 6.88 ns 8.89 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 2.58 % 3.35 % 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 307647 ns 306974 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 305430 ns 303137 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 26607 ns 24268 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 8.65 % 7.91 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 186310 ns 186058 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 186578 ns 187976 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1905 ns 3836 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.02 % 2.06 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 24024 ns 23934 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 23950 ns 23803 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 534 ns 501 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.22 % 2.09 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 22287 ns 22234 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 22299 ns 22234 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 336 ns 302 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.51 % 1.36 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 22240 ns 22095 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 22125 ns 21973 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 661 ns 732 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.97 % 3.31 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 21810 ns 21851 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 22001 ns 21973 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 429 ns 244 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.97 % 1.12 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 272552 ns 273338 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 272781 ns 271682 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 3139 ns 3313 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.15 % 1.21 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 193600 ns 193730 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 192019 ns 191812 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4483 ns 3836 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.32 % 1.98 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 25270 ns 25373 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 24860 ns 24850 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1048 ns 1245 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.15 % 4.91 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 22011 ns 21972 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 22123 ns 21972 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 566 ns 427 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.57 % 1.94 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 21538 ns 21484 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 21613 ns 21484 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 434 ns 399 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 2.01 % 1.86 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 21560 ns 21606 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 21684 ns 21484 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 686 ns 732 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.18 % 3.39 % 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 5193 ns 5197 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_median 5202 ns 5162 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_stddev 35.2 ns 69.8 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_cv 0.68 % 1.34 % 4 -std::string str; ... str += str_var1 + str_var2;_mean 4025 ns 4013 ns 4 -std::string str; ... str += str_var1 + str_var2;_median 3971 ns 3945 ns 4 -std::string str; ... str += str_var1 + str_var2;_stddev 198 ns 172 ns 4 -std::string str; ... str += str_var1 + str_var2;_cv 4.93 % 4.28 % 4 -lstringa<16> str; ... str += str_var1 + str_var2;_mean 909 ns 910 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_mean 5486 ns 5508 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_median 5385 ns 5391 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_stddev 371 ns 296 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_cv 6.77 % 5.37 % 4 +std::string str; ... str += str_var1 + str_var2;_mean 3948 ns 3955 ns 4 +std::string str; ... str += str_var1 + str_var2;_median 3908 ns 3955 ns 4 +std::string str; ... str += str_var1 + str_var2;_stddev 106 ns 76.9 ns 4 +std::string str; ... str += str_var1 + str_var2;_cv 2.69 % 1.94 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_mean 912 ns 905 ns 4 lstringa<16> str; ... str += str_var1 + str_var2;_median 905 ns 900 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_stddev 14.6 ns 20.9 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_cv 1.61 % 2.30 % 4 -lstringa<128> str; ... str += str_var1 + str_var2;_mean 645 ns 638 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_median 633 ns 628 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_stddev 40.1 ns 41.7 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_cv 6.22 % 6.53 % 4 -lstringa<512> str; ... str += str_var1 + str_var2;_mean 457 ns 458 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_median 457 ns 455 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_stddev 14.9 ns 12.7 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_cv 3.26 % 2.78 % 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_mean 358 ns 357 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_median 357 ns 357 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 9.35 ns 9.91 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_cv 2.61 % 2.78 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_stddev 22.2 ns 10.5 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_cv 2.43 % 1.16 % 4 +lstringa<128> str; ... str += str_var1 + str_var2;_mean 580 ns 582 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_median 584 ns 586 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_stddev 16.0 ns 15.0 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_cv 2.75 % 2.57 % 4 +lstringa<512> str; ... str += str_var1 + str_var2;_mean 446 ns 445 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_median 446 ns 447 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_stddev 11.7 ns 9.02 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_cv 2.61 % 2.03 % 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_mean 353 ns 353 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_median 354 ns 353 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 5.83 ns 8.86 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_cv 1.65 % 2.51 % 4 -- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::stringstream str; str << "test = " << k << " times";_mean 11158 ns 11143 ns 4 -std::stringstream str; str << "test = " << k << " times";_median 11212 ns 11143 ns 4 -std::stringstream str; str << "test = " << k << " times";_stddev 190 ns 181 ns 4 -std::stringstream str; str << "test = " << k << " times";_cv 1.70 % 1.63 % 4 -std::string str = "test = " + std::to_string(k) + " times";_mean 1231 ns 1221 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_median 1230 ns 1214 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_stddev 21.2 ns 26.7 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_cv 1.72 % 2.19 % 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2861 ns 2841 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2846 ns 2825 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 50.2 ns 79.0 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.76 % 2.78 % 4 -std::string str = std::format("test = {} times", k);_mean 2540 ns 2537 ns 4 -std::string str = std::format("test = {} times", k);_median 2496 ns 2485 ns 4 -std::string str = std::format("test = {} times", k);_stddev 146 ns 174 ns 4 -std::string str = std::format("test = {} times", k);_cv 5.75 % 6.84 % 4 -lstringa<8> str; str.format("test = {} times", k);_mean 2756 ns 2762 ns 4 -lstringa<8> str; str.format("test = {} times", k);_median 2724 ns 2734 ns 4 -lstringa<8> str; str.format("test = {} times", k);_stddev 221 ns 230 ns 4 -lstringa<8> str; str.format("test = {} times", k);_cv 8.03 % 8.33 % 4 -lstringa<32> str; str.format("test = {} times", k);_mean 1528 ns 1517 ns 4 -lstringa<32> str; str.format("test = {} times", k);_median 1539 ns 1517 ns 4 -lstringa<32> str; str.format("test = {} times", k);_stddev 29.5 ns 45.0 ns 4 -lstringa<32> str; str.format("test = {} times", k);_cv 1.93 % 2.97 % 4 -lstringa<8> str = "test = " + k + " times";_mean 910 ns 909 ns 4 -lstringa<8> str = "test = " + k + " times";_median 910 ns 903 ns 4 -lstringa<8> str = "test = " + k + " times";_stddev 6.61 ns 12.2 ns 4 -lstringa<8> str = "test = " + k + " times";_cv 0.73 % 1.34 % 4 -lstringa<32> str = "test = " + k + " times";_mean 183 ns 183 ns 4 -lstringa<32> str = "test = " + k + " times";_median 181 ns 182 ns 4 -lstringa<32> str = "test = " + k + " times";_stddev 7.29 ns 7.15 ns 4 -lstringa<32> str = "test = " + k + " times";_cv 3.97 % 3.90 % 4 -stringa str = "test = " + k + " times";_mean 238 ns 238 ns 4 -stringa str = "test = " + k + " times";_median 234 ns 234 ns 4 -stringa str = "test = " + k + " times";_stddev 8.99 ns 7.32 ns 4 -stringa str = "test = " + k + " times";_cv 3.77 % 3.08 % 4 +std::stringstream str; str << "test = " << k << " times";_mean 11655 ns 11536 ns 4 +std::stringstream str; str << "test = " << k << " times";_median 11406 ns 11353 ns 4 +std::stringstream str; str << "test = " << k << " times";_stddev 658 ns 701 ns 4 +std::stringstream str; str << "test = " << k << " times";_cv 5.65 % 6.08 % 4 +std::string str = "test = " + std::to_string(k) + " times";_mean 1230 ns 1228 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_median 1229 ns 1214 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_stddev 38.5 ns 39.5 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_cv 3.13 % 3.21 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2831 ns 2833 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2820 ns 2849 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 24.8 ns 33.1 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 0.88 % 1.17 % 4 +std::string str = std::format("test = {} times", k);_mean 2410 ns 2407 ns 4 +std::string str = std::format("test = {} times", k);_median 2391 ns 2380 ns 4 +std::string str = std::format("test = {} times", k);_stddev 91.1 ns 74.0 ns 4 +std::string str = std::format("test = {} times", k);_cv 3.78 % 3.07 % 4 +lstringa<8> str; str.format("test = {} times", k);_mean 2711 ns 2713 ns 4 +lstringa<8> str; str.format("test = {} times", k);_median 2735 ns 2727 ns 4 +lstringa<8> str; str.format("test = {} times", k);_stddev 66.6 ns 74.6 ns 4 +lstringa<8> str; str.format("test = {} times", k);_cv 2.46 % 2.75 % 4 +lstringa<32> str; str.format("test = {} times", k);_mean 1605 ns 1602 ns 4 +lstringa<32> str; str.format("test = {} times", k);_median 1570 ns 1573 ns 4 +lstringa<32> str; str.format("test = {} times", k);_stddev 96.7 ns 90.7 ns 4 +lstringa<32> str; str.format("test = {} times", k);_cv 6.03 % 5.66 % 4 +lstringa<8> str = "test = " + k + " times";_mean 880 ns 884 ns 4 +lstringa<8> str = "test = " + k + " times";_median 876 ns 879 ns 4 +lstringa<8> str = "test = " + k + " times";_stddev 10.9 ns 10.5 ns 4 +lstringa<8> str = "test = " + k + " times";_cv 1.24 % 1.18 % 4 +lstringa<32> str = "test = " + k + " times";_mean 188 ns 186 ns 4 +lstringa<32> str = "test = " + k + " times";_median 187 ns 186 ns 4 +lstringa<32> str = "test = " + k + " times";_stddev 2.22 ns 2.22 ns 4 +lstringa<32> str = "test = " + k + " times";_cv 1.18 % 1.19 % 4 +stringa str = "test = " + k + " times";_mean 237 ns 235 ns 4 +stringa str = "test = " + k + " times";_median 237 ns 235 ns 4 +stringa str = "test = " + k + " times";_stddev 3.15 ns 6.04 ns 4 +stringa str = "test = " + k + " times";_cv 1.33 % 2.57 % 4 -- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find + substr + std::strtol_mean 542 ns 543 ns 4 -std::string::find + substr + std::strtol_median 542 ns 547 ns 4 -std::string::find + substr + std::strtol_stddev 12.2 ns 23.4 ns 4 -std::string::find + substr + std::strtol_cv 2.24 % 4.32 % 4 -ssa::splitter + ssa::as_int_mean 294 ns 293 ns 4 -ssa::splitter + ssa::as_int_median 294 ns 292 ns 4 -ssa::splitter + ssa::as_int_stddev 4.63 ns 3.31 ns 4 -ssa::splitter + ssa::as_int_cv 1.57 % 1.13 % 4 +std::string::find + substr + std::strtol_mean 556 ns 555 ns 4 +std::string::find + substr + std::strtol_median 560 ns 558 ns 4 +std::string::find + substr + std::strtol_stddev 17.5 ns 17.6 ns 4 +std::string::find + substr + std::strtol_cv 3.15 % 3.17 % 4 +ssa::splitter + ssa::as_int_mean 297 ns 297 ns 4 +ssa::splitter + ssa::as_int_median 294 ns 295 ns 4 +ssa::splitter + ssa::as_int_stddev 8.22 ns 7.90 ns 4 +ssa::splitter + ssa::as_int_cv 2.77 % 2.66 % 4 ssa::splitf + functor_mean 214 ns 214 ns 4 -ssa::splitf + functor_median 213 ns 212 ns 4 -ssa::splitf + functor_stddev 2.82 ns 4.67 ns 4 -ssa::splitf + functor_cv 1.32 % 2.19 % 4 +ssa::splitf + functor_median 215 ns 215 ns 4 +ssa::splitf + functor_stddev 1.35 ns 2.44 ns 4 +ssa::splitf + functor_cv 0.63 % 1.14 % 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 1301 ns 1304 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_median 1298 ns 1297 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_stddev 16.6 ns 26.7 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_cv 1.27 % 2.05 % 4 -replace symbols with std::string find_first_of + replace_mean 2225 ns 2234 ns 4 -replace symbols with std::string find_first_of + replace_median 2218 ns 2222 ns 4 -replace symbols with std::string find_first_of + replace_stddev 61.9 ns 46.7 ns 4 -replace symbols with std::string find_first_of + replace_cv 2.78 % 2.09 % 4 -replace symbols with std::string_view find_first_of + copy_mean 2546 ns 2550 ns 4 -replace symbols with std::string_view find_first_of + copy_median 2535 ns 2563 ns 4 -replace symbols with std::string_view find_first_of + copy_stddev 44.0 ns 65.8 ns 4 -replace symbols with std::string_view find_first_of + copy_cv 1.73 % 2.58 % 4 -replace runtime symbols with string expressions and without remembering all search results_mean 1619 ns 1622 ns 4 -replace runtime symbols with string expressions and without remembering all search results_median 1609 ns 1604 ns 4 -replace runtime symbols with string expressions and without remembering all search results_stddev 45.9 ns 60.4 ns 4 -replace runtime symbols with string expressions and without remembering all search results_cv 2.83 % 3.72 % 4 -replace runtime symbols with simstr and memorization of all search results_mean 1434 ns 1428 ns 4 -replace runtime symbols with simstr and memorization of all search results_median 1423 ns 1428 ns 4 -replace runtime symbols with simstr and memorization of all search results_stddev 37.1 ns 40.5 ns 4 -replace runtime symbols with simstr and memorization of all search results_cv 2.59 % 2.84 % 4 -replace const symbols with string expressions and without remembering all search results_mean 1277 ns 1282 ns 4 -replace const symbols with string expressions and without remembering all search results_median 1279 ns 1282 ns 4 -replace const symbols with string expressions and without remembering all search results_stddev 21.4 ns 14.1 ns 4 -replace const symbols with string expressions and without remembering all search results_cv 1.67 % 1.10 % 4 -replace const symbols with string expressions and memorization of all search results_mean 1218 ns 1221 ns 4 -replace const symbols with string expressions and memorization of all search results_median 1218 ns 1221 ns 4 -replace const symbols with string expressions and memorization of all search results_stddev 15.0 ns 19.9 ns 4 -replace const symbols with string expressions and memorization of all search results_cv 1.23 % 1.63 % 4 +Naive (and wrong) replace symbols with std::string find + replace_mean 1277 ns 1271 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_median 1270 ns 1271 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_stddev 67.9 ns 65.3 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_cv 5.32 % 5.14 % 4 +replace symbols with std::string find_first_of + replace_mean 2209 ns 2210 ns 4 +replace symbols with std::string find_first_of + replace_median 2200 ns 2199 ns 4 +replace symbols with std::string find_first_of + replace_stddev 71.7 ns 77.4 ns 4 +replace symbols with std::string find_first_of + replace_cv 3.24 % 3.50 % 4 +replace symbols with std::string_view find_first_of + copy_mean 2536 ns 2550 ns 4 +replace symbols with std::string_view find_first_of + copy_median 2519 ns 2550 ns 4 +replace symbols with std::string_view find_first_of + copy_stddev 52.7 ns 48.4 ns 4 +replace symbols with std::string_view find_first_of + copy_cv 2.08 % 1.90 % 4 +replace runtime symbols with string expressions and without remembering all search results_mean 1563 ns 1563 ns 4 +replace runtime symbols with string expressions and without remembering all search results_median 1567 ns 1573 ns 4 +replace runtime symbols with string expressions and without remembering all search results_stddev 26.6 ns 19.2 ns 4 +replace runtime symbols with string expressions and without remembering all search results_cv 1.70 % 1.23 % 4 +replace runtime symbols with simstr and memorization of all search results_mean 1398 ns 1381 ns 4 +replace runtime symbols with simstr and memorization of all search results_median 1372 ns 1367 ns 4 +replace runtime symbols with simstr and memorization of all search results_stddev 62.6 ns 27.9 ns 4 +replace runtime symbols with simstr and memorization of all search results_cv 4.47 % 2.02 % 4 +replace const symbols with string expressions and without remembering all search results_mean 1306 ns 1311 ns 4 +replace const symbols with string expressions and without remembering all search results_median 1300 ns 1311 ns 4 +replace const symbols with string expressions and without remembering all search results_stddev 20.3 ns 22.8 ns 4 +replace const symbols with string expressions and without remembering all search results_cv 1.55 % 1.74 % 4 +replace const symbols with string expressions and memorization of all search results_mean 1348 ns 1350 ns 4 +replace const symbols with string expressions and memorization of all search results_median 1286 ns 1287 ns 4 +replace const symbols with string expressions and memorization of all search results_stddev 129 ns 126 ns 4 +replace const symbols with string expressions and memorization of all search results_cv 9.55 % 9.30 % 4 -- Replace symbols in text ~40 symbols --/repeats:1 0.000 ns 0.000 ns 1000000000000 -Short Naive (and wrong) replace symbols with std::string find + replace_mean 332 ns 331 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_median 334 ns 333 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_stddev 8.55 ns 7.01 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.57 % 2.12 % 4 -Short replace symbols with std::string find_first_of + replace_mean 428 ns 427 ns 4 -Short replace symbols with std::string find_first_of + replace_median 427 ns 425 ns 4 -Short replace symbols with std::string find_first_of + replace_stddev 11.6 ns 9.35 ns 4 -Short replace symbols with std::string find_first_of + replace_cv 2.71 % 2.19 % 4 -Short replace symbols with std::string_view find_first_of + copy_mean 356 ns 357 ns 4 -Short replace symbols with std::string_view find_first_of + copy_median 353 ns 357 ns 4 -Short replace symbols with std::string_view find_first_of + copy_stddev 7.69 ns 10.4 ns 4 -Short replace symbols with std::string_view find_first_of + copy_cv 2.16 % 2.90 % 4 -Short replace runtime symbols with string expressions and without remembering all search results_mean 319 ns 319 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_median 318 ns 319 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_stddev 6.07 ns 8.84 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_cv 1.90 % 2.78 % 4 -Short replace runtime symbols with simstr and memorization of all search results_mean 383 ns 383 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_median 378 ns 381 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_stddev 9.40 ns 8.01 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_cv 2.46 % 2.09 % 4 -Short replace const symbols with string expressions and without remembering all search results_mean 267 ns 267 ns 4 -Short replace const symbols with string expressions and without remembering all search results_median 268 ns 270 ns 4 -Short replace const symbols with string expressions and without remembering all search results_stddev 7.10 ns 8.39 ns 4 -Short replace const symbols with string expressions and without remembering all search results_cv 2.66 % 3.14 % 4 -Short replace const symbols with string expressions and memorization of all search results_mean 355 ns 355 ns 4 -Short replace const symbols with string expressions and memorization of all search results_median 356 ns 357 ns 4 -Short replace const symbols with string expressions and memorization of all search results_stddev 9.85 ns 7.68 ns 4 -Short replace const symbols with string expressions and memorization of all search results_cv 2.78 % 2.16 % 4 +Short Naive (and wrong) replace symbols with std::string find + replace_mean 352 ns 352 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_median 346 ns 344 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_stddev 17.5 ns 19.8 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_cv 4.98 % 5.64 % 4 +Short replace symbols with std::string find_first_of + replace_mean 428 ns 429 ns 4 +Short replace symbols with std::string find_first_of + replace_median 421 ns 424 ns 4 +Short replace symbols with std::string find_first_of + replace_stddev 16.8 ns 15.6 ns 4 +Short replace symbols with std::string find_first_of + replace_cv 3.93 % 3.65 % 4 +Short replace symbols with std::string_view find_first_of + copy_mean 352 ns 353 ns 4 +Short replace symbols with std::string_view find_first_of + copy_median 353 ns 353 ns 4 +Short replace symbols with std::string_view find_first_of + copy_stddev 9.76 ns 9.26 ns 4 +Short replace symbols with std::string_view find_first_of + copy_cv 2.77 % 2.62 % 4 +Short replace runtime symbols with string expressions and without remembering all search results_mean 303 ns 303 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_median 303 ns 303 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_stddev 6.52 ns 9.01 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_cv 2.15 % 2.97 % 4 +Short replace runtime symbols with simstr and memorization of all search results_mean 402 ns 404 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_median 400 ns 404 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_stddev 11.1 ns 11.7 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_cv 2.77 % 2.90 % 4 +Short replace const symbols with string expressions and without remembering all search results_mean 270 ns 271 ns 4 +Short replace const symbols with string expressions and without remembering all search results_median 272 ns 273 ns 4 +Short replace const symbols with string expressions and without remembering all search results_stddev 3.72 ns 2.96 ns 4 +Short replace const symbols with string expressions and without remembering all search results_cv 1.38 % 1.09 % 4 +Short replace const symbols with string expressions and memorization of all search results_mean 345 ns 345 ns 4 +Short replace const symbols with string expressions and memorization of all search results_median 345 ns 345 ns 4 +Short replace const symbols with string expressions and memorization of all search results_stddev 9.75 ns 6.55 ns 4 +Short replace const symbols with string expressions and memorization of all search results_cv 2.83 % 1.90 % 4 ----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to ---- in std::string|64_mean 275 ns 276 ns 4 -replace bb to ---- in std::string|64_median 276 ns 277 ns 4 -replace bb to ---- in std::string|64_stddev 30.3 ns 30.6 ns 4 -replace bb to ---- in std::string|64_cv 10.99 % 11.09 % 4 -replace bb to ---- in std::string|256_mean 899 ns 902 ns 4 -replace bb to ---- in std::string|256_median 901 ns 898 ns 4 -replace bb to ---- in std::string|256_stddev 76.9 ns 71.7 ns 4 -replace bb to ---- in std::string|256_cv 8.55 % 7.95 % 4 -replace bb to ---- in std::string|512_mean 1632 ns 1632 ns 4 -replace bb to ---- in std::string|512_median 1547 ns 1549 ns 4 -replace bb to ---- in std::string|512_stddev 227 ns 227 ns 4 -replace bb to ---- in std::string|512_cv 13.92 % 13.89 % 4 -replace bb to ---- in std::string|1024_mean 3318 ns 3331 ns 4 -replace bb to ---- in std::string|1024_median 3242 ns 3244 ns 4 -replace bb to ---- in std::string|1024_stddev 179 ns 200 ns 4 -replace bb to ---- in std::string|1024_cv 5.41 % 6.02 % 4 -replace bb to ---- in std::string|2048_mean 8116 ns 8109 ns 4 -replace bb to ---- in std::string|2048_median 8086 ns 8109 ns 4 -replace bb to ---- in std::string|2048_stddev 248 ns 225 ns 4 -replace bb to ---- in std::string|2048_cv 3.05 % 2.78 % 4 -replace bb to ---- in lstringa<8>|64_mean 235 ns 234 ns 4 -replace bb to ---- in lstringa<8>|64_median 236 ns 235 ns 4 -replace bb to ---- in lstringa<8>|64_stddev 7.94 ns 7.85 ns 4 -replace bb to ---- in lstringa<8>|64_cv 3.38 % 3.35 % 4 -replace bb to ---- in lstringa<8>|256_mean 686 ns 687 ns 4 -replace bb to ---- in lstringa<8>|256_median 691 ns 691 ns 4 -replace bb to ---- in lstringa<8>|256_stddev 31.6 ns 38.4 ns 4 -replace bb to ---- in lstringa<8>|256_cv 4.60 % 5.59 % 4 -replace bb to ---- in lstringa<8>|512_mean 1108 ns 1111 ns 4 -replace bb to ---- in lstringa<8>|512_median 1106 ns 1111 ns 4 -replace bb to ---- in lstringa<8>|512_stddev 24.8 ns 31.5 ns 4 -replace bb to ---- in lstringa<8>|512_cv 2.24 % 2.84 % 4 -replace bb to ---- in lstringa<8>|1024_mean 2042 ns 2039 ns 4 -replace bb to ---- in lstringa<8>|1024_median 2041 ns 2026 ns 4 -replace bb to ---- in lstringa<8>|1024_stddev 57.7 ns 46.7 ns 4 -replace bb to ---- in lstringa<8>|1024_cv 2.83 % 2.29 % 4 -replace bb to ---- in lstringa<8>|2048_mean 3933 ns 3902 ns 4 -replace bb to ---- in lstringa<8>|2048_median 3907 ns 3880 ns 4 -replace bb to ---- in lstringa<8>|2048_stddev 91.9 ns 83.5 ns 4 -replace bb to ---- in lstringa<8>|2048_cv 2.34 % 2.14 % 4 -replace bb to ---- by init stringa|64_mean 205 ns 204 ns 4 -replace bb to ---- by init stringa|64_median 205 ns 203 ns 4 -replace bb to ---- by init stringa|64_stddev 4.57 ns 4.67 ns 4 -replace bb to ---- by init stringa|64_cv 2.23 % 2.29 % 4 -replace bb to ---- by init stringa|256_mean 475 ns 476 ns 4 -replace bb to ---- by init stringa|256_median 481 ns 481 ns 4 -replace bb to ---- by init stringa|256_stddev 17.0 ns 15.3 ns 4 -replace bb to ---- by init stringa|256_cv 3.59 % 3.21 % 4 -replace bb to ---- by init stringa|512_mean 1039 ns 1038 ns 4 -replace bb to ---- by init stringa|512_median 1039 ns 1025 ns 4 -replace bb to ---- by init stringa|512_stddev 18.7 ns 24.4 ns 4 -replace bb to ---- by init stringa|512_cv 1.80 % 2.35 % 4 -replace bb to ---- by init stringa|1024_mean 2165 ns 2171 ns 4 -replace bb to ---- by init stringa|1024_median 2172 ns 2171 ns 4 -replace bb to ---- by init stringa|1024_stddev 50.5 ns 30.2 ns 4 -replace bb to ---- by init stringa|1024_cv 2.33 % 1.39 % 4 -replace bb to ---- by init stringa|2048_mean 4423 ns 4425 ns 4 -replace bb to ---- by init stringa|2048_median 4421 ns 4450 ns 4 -replace bb to ---- by init stringa|2048_stddev 19.9 ns 50.6 ns 4 -replace bb to ---- by init stringa|2048_cv 0.45 % 1.14 % 4 +replace bb to ---- in std::string|64_mean 259 ns 261 ns 4 +replace bb to ---- in std::string|64_median 255 ns 254 ns 4 +replace bb to ---- in std::string|64_stddev 22.0 ns 20.8 ns 4 +replace bb to ---- in std::string|64_cv 8.48 % 7.99 % 4 +replace bb to ---- in std::string|256_mean 848 ns 846 ns 4 +replace bb to ---- in std::string|256_median 848 ns 854 ns 4 +replace bb to ---- in std::string|256_stddev 13.4 ns 17.4 ns 4 +replace bb to ---- in std::string|256_cv 1.58 % 2.06 % 4 +replace bb to ---- in std::string|512_mean 1584 ns 1569 ns 4 +replace bb to ---- in std::string|512_median 1560 ns 1552 ns 4 +replace bb to ---- in std::string|512_stddev 72.4 ns 75.3 ns 4 +replace bb to ---- in std::string|512_cv 4.57 % 4.80 % 4 +replace bb to ---- in std::string|1024_mean 3220 ns 3226 ns 4 +replace bb to ---- in std::string|1024_median 3190 ns 3209 ns 4 +replace bb to ---- in std::string|1024_stddev 89.3 ns 87.8 ns 4 +replace bb to ---- in std::string|1024_cv 2.77 % 2.72 % 4 +replace bb to ---- in std::string|2048_mean 8086 ns 8065 ns 4 +replace bb to ---- in std::string|2048_median 8076 ns 8022 ns 4 +replace bb to ---- in std::string|2048_stddev 42.6 ns 87.2 ns 4 +replace bb to ---- in std::string|2048_cv 0.53 % 1.08 % 4 +replace bb to ---- in lstringa<8>|64_mean 244 ns 245 ns 4 +replace bb to ---- in lstringa<8>|64_median 239 ns 242 ns 4 +replace bb to ---- in lstringa<8>|64_stddev 15.8 ns 16.6 ns 4 +replace bb to ---- in lstringa<8>|64_cv 6.47 % 6.77 % 4 +replace bb to ---- in lstringa<8>|256_mean 643 ns 642 ns 4 +replace bb to ---- in lstringa<8>|256_median 640 ns 635 ns 4 +replace bb to ---- in lstringa<8>|256_stddev 20.3 ns 19.7 ns 4 +replace bb to ---- in lstringa<8>|256_cv 3.16 % 3.07 % 4 +replace bb to ---- in lstringa<8>|512_mean 1112 ns 1111 ns 4 +replace bb to ---- in lstringa<8>|512_median 1117 ns 1111 ns 4 +replace bb to ---- in lstringa<8>|512_stddev 15.0 ns 14.1 ns 4 +replace bb to ---- in lstringa<8>|512_cv 1.35 % 1.27 % 4 +replace bb to ---- in lstringa<8>|1024_mean 2056 ns 2063 ns 4 +replace bb to ---- in lstringa<8>|1024_median 2048 ns 2063 ns 4 +replace bb to ---- in lstringa<8>|1024_stddev 57.2 ns 58.5 ns 4 +replace bb to ---- in lstringa<8>|1024_cv 2.78 % 2.84 % 4 +replace bb to ---- in lstringa<8>|2048_mean 3901 ns 3908 ns 4 +replace bb to ---- in lstringa<8>|2048_median 3942 ns 3955 ns 4 +replace bb to ---- in lstringa<8>|2048_stddev 99.7 ns 94.2 ns 4 +replace bb to ---- in lstringa<8>|2048_cv 2.55 % 2.41 % 4 +replace bb to ---- by init stringa|64_mean 206 ns 206 ns 4 +replace bb to ---- by init stringa|64_median 205 ns 208 ns 4 +replace bb to ---- by init stringa|64_stddev 2.96 ns 4.67 ns 4 +replace bb to ---- by init stringa|64_cv 1.44 % 2.27 % 4 +replace bb to ---- by init stringa|256_mean 503 ns 504 ns 4 +replace bb to ---- by init stringa|256_median 498 ns 500 ns 4 +replace bb to ---- by init stringa|256_stddev 21.8 ns 23.4 ns 4 +replace bb to ---- by init stringa|256_cv 4.34 % 4.65 % 4 +replace bb to ---- by init stringa|512_mean 1130 ns 1130 ns 4 +replace bb to ---- by init stringa|512_median 1065 ns 1074 ns 4 +replace bb to ---- by init stringa|512_stddev 147 ns 141 ns 4 +replace bb to ---- by init stringa|512_cv 12.98 % 12.51 % 4 +replace bb to ---- by init stringa|1024_mean 2172 ns 2173 ns 4 +replace bb to ---- by init stringa|1024_median 2170 ns 2173 ns 4 +replace bb to ---- by init stringa|1024_stddev 25.4 ns 28.2 ns 4 +replace bb to ---- by init stringa|1024_cv 1.17 % 1.30 % 4 +replace bb to ---- by init stringa|2048_mean 4441 ns 4443 ns 4 +replace bb to ---- by init stringa|2048_median 4442 ns 4443 ns 4 +replace bb to ---- by init stringa|2048_stddev 28.9 ns 56.4 ns 4 +replace bb to ---- by init stringa|2048_cv 0.65 % 1.27 % 4 ----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to -- in std::string|64_mean 212 ns 210 ns 4 -replace bb to -- in std::string|64_median 212 ns 210 ns 4 -replace bb to -- in std::string|64_stddev 4.53 ns 5.64 ns 4 -replace bb to -- in std::string|64_cv 2.13 % 2.69 % 4 -replace bb to -- in std::string|256_mean 528 ns 527 ns 4 -replace bb to -- in std::string|256_median 531 ns 530 ns 4 -replace bb to -- in std::string|256_stddev 11.9 ns 6.98 ns 4 -replace bb to -- in std::string|256_cv 2.26 % 1.32 % 4 -replace bb to -- in std::string|512_mean 969 ns 963 ns 4 -replace bb to -- in std::string|512_median 955 ns 952 ns 4 -replace bb to -- in std::string|512_stddev 39.2 ns 29.6 ns 4 -replace bb to -- in std::string|512_cv 4.04 % 3.07 % 4 -replace bb to -- in std::string|1024_mean 1820 ns 1822 ns 4 -replace bb to -- in std::string|1024_median 1829 ns 1822 ns 4 -replace bb to -- in std::string|1024_stddev 32.4 ns 49.5 ns 4 -replace bb to -- in std::string|1024_cv 1.78 % 2.72 % 4 -replace bb to -- in std::string|2048_mean 3585 ns 3578 ns 4 -replace bb to -- in std::string|2048_median 3600 ns 3599 ns 4 -replace bb to -- in std::string|2048_stddev 99.3 ns 105 ns 4 -replace bb to -- in std::string|2048_cv 2.77 % 2.94 % 4 -replace bb to -- in lstringa<8>|64_mean 190 ns 188 ns 4 -replace bb to -- in lstringa<8>|64_median 189 ns 188 ns 4 -replace bb to -- in lstringa<8>|64_stddev 2.81 ns 3.42 ns 4 -replace bb to -- in lstringa<8>|64_cv 1.48 % 1.81 % 4 +replace bb to -- in std::string|64_mean 206 ns 206 ns 4 +replace bb to -- in std::string|64_median 206 ns 206 ns 4 +replace bb to -- in std::string|64_stddev 5.42 ns 5.85 ns 4 +replace bb to -- in std::string|64_cv 2.63 % 2.84 % 4 +replace bb to -- in std::string|256_mean 542 ns 541 ns 4 +replace bb to -- in std::string|256_median 528 ns 530 ns 4 +replace bb to -- in std::string|256_stddev 31.9 ns 30.9 ns 4 +replace bb to -- in std::string|256_cv 5.88 % 5.72 % 4 +replace bb to -- in std::string|512_mean 968 ns 970 ns 4 +replace bb to -- in std::string|512_median 964 ns 964 ns 4 +replace bb to -- in std::string|512_stddev 19.7 ns 23.4 ns 4 +replace bb to -- in std::string|512_cv 2.04 % 2.41 % 4 +replace bb to -- in std::string|1024_mean 1813 ns 1810 ns 4 +replace bb to -- in std::string|1024_median 1810 ns 1800 ns 4 +replace bb to -- in std::string|1024_stddev 15.0 ns 20.9 ns 4 +replace bb to -- in std::string|1024_cv 0.83 % 1.16 % 4 +replace bb to -- in std::string|2048_mean 3634 ns 3625 ns 4 +replace bb to -- in std::string|2048_median 3591 ns 3568 ns 4 +replace bb to -- in std::string|2048_stddev 136 ns 145 ns 4 +replace bb to -- in std::string|2048_cv 3.75 % 4.01 % 4 +replace bb to -- in lstringa<8>|64_mean 196 ns 196 ns 4 +replace bb to -- in lstringa<8>|64_median 195 ns 195 ns 4 +replace bb to -- in lstringa<8>|64_stddev 9.94 ns 11.9 ns 4 +replace bb to -- in lstringa<8>|64_cv 5.07 % 6.08 % 4 replace bb to -- in lstringa<8>|256_mean 475 ns 474 ns 4 -replace bb to -- in lstringa<8>|256_median 449 ns 449 ns 4 -replace bb to -- in lstringa<8>|256_stddev 61.9 ns 62.5 ns 4 -replace bb to -- in lstringa<8>|256_cv 13.05 % 13.20 % 4 -replace bb to -- in lstringa<8>|512_mean 904 ns 902 ns 4 -replace bb to -- in lstringa<8>|512_median 891 ns 889 ns 4 -replace bb to -- in lstringa<8>|512_stddev 82.8 ns 84.7 ns 4 -replace bb to -- in lstringa<8>|512_cv 9.16 % 9.38 % 4 -replace bb to -- in lstringa<8>|1024_mean 1626 ns 1631 ns 4 -replace bb to -- in lstringa<8>|1024_median 1618 ns 1631 ns 4 -replace bb to -- in lstringa<8>|1024_stddev 37.4 ns 22.2 ns 4 -replace bb to -- in lstringa<8>|1024_cv 2.30 % 1.36 % 4 -replace bb to -- in lstringa<8>|2048_mean 3152 ns 3155 ns 4 -replace bb to -- in lstringa<8>|2048_median 3071 ns 3076 ns 4 -replace bb to -- in lstringa<8>|2048_stddev 260 ns 296 ns 4 -replace bb to -- in lstringa<8>|2048_cv 8.26 % 9.39 % 4 -replace bb to -- by init stringa|64_mean 172 ns 172 ns 4 -replace bb to -- by init stringa|64_median 171 ns 172 ns 4 -replace bb to -- by init stringa|64_stddev 3.09 ns 3.42 ns 4 -replace bb to -- by init stringa|64_cv 1.79 % 1.99 % 4 -replace bb to -- by init stringa|256_mean 397 ns 398 ns 4 -replace bb to -- by init stringa|256_median 395 ns 398 ns 4 -replace bb to -- by init stringa|256_stddev 15.3 ns 19.9 ns 4 -replace bb to -- by init stringa|256_cv 3.86 % 5.01 % 4 -replace bb to -- by init stringa|512_mean 673 ns 676 ns 4 -replace bb to -- by init stringa|512_median 681 ns 680 ns 4 -replace bb to -- by init stringa|512_stddev 21.3 ns 15.0 ns 4 -replace bb to -- by init stringa|512_cv 3.16 % 2.21 % 4 -replace bb to -- by init stringa|1024_mean 1258 ns 1257 ns 4 -replace bb to -- by init stringa|1024_median 1238 ns 1233 ns 4 -replace bb to -- by init stringa|1024_stddev 58.8 ns 58.1 ns 4 -replace bb to -- by init stringa|1024_cv 4.68 % 4.62 % 4 -replace bb to -- by init stringa|2048_mean 2330 ns 2341 ns 4 -replace bb to -- by init stringa|2048_median 2329 ns 2328 ns 4 -replace bb to -- by init stringa|2048_stddev 36.6 ns 50.1 ns 4 -replace bb to -- by init stringa|2048_cv 1.57 % 2.14 % 4 +replace bb to -- in lstringa<8>|256_median 478 ns 474 ns 4 +replace bb to -- in lstringa<8>|256_stddev 20.3 ns 25.5 ns 4 +replace bb to -- in lstringa<8>|256_cv 4.27 % 5.37 % 4 +replace bb to -- in lstringa<8>|512_mean 802 ns 802 ns 4 +replace bb to -- in lstringa<8>|512_median 804 ns 802 ns 4 +replace bb to -- in lstringa<8>|512_stddev 11.6 ns 14.2 ns 4 +replace bb to -- in lstringa<8>|512_cv 1.45 % 1.77 % 4 +replace bb to -- in lstringa<8>|1024_mean 1498 ns 1499 ns 4 +replace bb to -- in lstringa<8>|1024_median 1500 ns 1507 ns 4 +replace bb to -- in lstringa<8>|1024_stddev 21.6 ns 15.7 ns 4 +replace bb to -- in lstringa<8>|1024_cv 1.44 % 1.05 % 4 +replace bb to -- in lstringa<8>|2048_mean 3056 ns 3015 ns 4 +replace bb to -- in lstringa<8>|2048_median 2949 ns 2883 ns 4 +replace bb to -- in lstringa<8>|2048_stddev 254 ns 289 ns 4 +replace bb to -- in lstringa<8>|2048_cv 8.31 % 9.58 % 4 +replace bb to -- by init stringa|64_mean 175 ns 176 ns 4 +replace bb to -- by init stringa|64_median 175 ns 175 ns 4 +replace bb to -- by init stringa|64_stddev 2.66 ns 3.67 ns 4 +replace bb to -- by init stringa|64_cv 1.52 % 2.09 % 4 +replace bb to -- by init stringa|256_mean 391 ns 391 ns 4 +replace bb to -- by init stringa|256_median 391 ns 393 ns 4 +replace bb to -- by init stringa|256_stddev 5.49 ns 4.19 ns 4 +replace bb to -- by init stringa|256_cv 1.41 % 1.07 % 4 +replace bb to -- by init stringa|512_mean 648 ns 649 ns 4 +replace bb to -- by init stringa|512_median 656 ns 656 ns 4 +replace bb to -- by init stringa|512_stddev 19.2 ns 14.0 ns 4 +replace bb to -- by init stringa|512_cv 2.97 % 2.15 % 4 +replace bb to -- by init stringa|1024_mean 1152 ns 1151 ns 4 +replace bb to -- by init stringa|1024_median 1158 ns 1158 ns 4 +replace bb to -- by init stringa|1024_stddev 27.7 ns 47.7 ns 4 +replace bb to -- by init stringa|1024_cv 2.40 % 4.14 % 4 +replace bb to -- by init stringa|2048_mean 2207 ns 2210 ns 4 +replace bb to -- by init stringa|2048_median 2210 ns 2223 ns 4 +replace bb to -- by init stringa|2048_stddev 36.5 ns 50.1 ns 4 +replace bb to -- by init stringa|2048_cv 1.65 % 2.27 % 4 ----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -hashStrMapA emplace & find stringa;_mean 4361265 ns 4370117 ns 4 -hashStrMapA emplace & find stringa;_median 4319146 ns 4345703 ns 4 -hashStrMapA emplace & find stringa;_stddev 171896 ns 166780 ns 4 -hashStrMapA emplace & find stringa;_cv 3.94 % 3.82 % 4 -std::unordered_map emplace & find std::string;_mean 5878463 ns 5859375 ns 4 -std::unordered_map emplace & find std::string;_median 5875393 ns 5815972 ns 4 -std::unordered_map emplace & find std::string;_stddev 196309 ns 166220 ns 4 -std::unordered_map emplace & find std::string;_cv 3.34 % 2.84 % 4 -hashStrMapA emplace & find ssa;_mean 3945892 ns 3929782 ns 4 -hashStrMapA emplace & find ssa;_median 3963375 ns 3953313 ns 4 -hashStrMapA emplace & find ssa;_stddev 56988 ns 47063 ns 4 -hashStrMapA emplace & find ssa;_cv 1.44 % 1.20 % 4 -std::unordered_map emplace & find std::string_view;_mean 6313765 ns 6289062 ns 4 -std::unordered_map emplace & find std::string_view;_median 6295877 ns 6328125 ns 4 -std::unordered_map emplace & find std::string_view;_stddev 60913 ns 149598 ns 4 -std::unordered_map emplace & find std::string_view;_cv 0.96 % 2.38 % 4 +hashStrMapA emplace & find stringa;_mean 4313136 ns 4321289 ns 4 +hashStrMapA emplace & find stringa;_median 4295278 ns 4296875 ns 4 +hashStrMapA emplace & find stringa;_stddev 128979 ns 146484 ns 4 +hashStrMapA emplace & find stringa;_cv 2.99 % 3.39 % 4 +std::unordered_map emplace & find std::string;_mean 5445614 ns 5440848 ns 4 +std::unordered_map emplace & find std::string;_median 5445550 ns 5440848 ns 4 +std::unordered_map emplace & find std::string;_stddev 221795 ns 254707 ns 4 +std::unordered_map emplace & find std::string;_cv 4.07 % 4.68 % 4 +hashStrMapA emplace & find ssa;_mean 3935073 ns 3928073 ns 4 +hashStrMapA emplace & find ssa;_median 3925982 ns 3928073 ns 4 +hashStrMapA emplace & find ssa;_stddev 71159 ns 71272 ns 4 +hashStrMapA emplace & find ssa;_cv 1.81 % 1.81 % 4 +std::unordered_map emplace & find std::string_view;_mean 6449283 ns 6452288 ns 4 +std::unordered_map emplace & find std::string_view;_median 6312495 ns 6277902 ns 4 +std::unordered_map emplace & find std::string_view;_stddev 432828 ns 460943 ns 4 +std::unordered_map emplace & find std::string_view;_cv 6.71 % 7.14 % 4 ----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Build func full name std::string;_mean 1644 ns 1639 ns 4 -Build func full name std::string;_median 1639 ns 1639 ns 4 -Build func full name std::string;_stddev 14.4 ns 0.000 ns 4 -Build func full name std::string;_cv 0.88 % 0.00 % 4 -Build func full name std::string 1;_mean 1749 ns 1735 ns 4 -Build func full name std::string 1;_median 1743 ns 1726 ns 4 -Build func full name std::string 1;_stddev 40.7 ns 33.4 ns 4 -Build func full name std::string 1;_cv 2.33 % 1.92 % 4 -Build func full name std::stream;_mean 9940 ns 9940 ns 4 -Build func full name std::stream;_median 9939 ns 9835 ns 4 -Build func full name std::stream;_stddev 126 ns 209 ns 4 -Build func full name std::stream;_cv 1.26 % 2.11 % 4 -Build func full name stringa;_mean 937 ns 936 ns 4 -Build func full name stringa;_median 913 ns 910 ns 4 -Build func full name stringa;_stddev 54.7 ns 60.1 ns 4 -Build func full name stringa;_cv 5.83 % 6.42 % 4 -Build func full name stringa 1;_mean 1058 ns 1057 ns 4 -Build func full name stringa 1;_median 1052 ns 1057 ns 4 -Build func full name stringa 1;_stddev 15.4 ns 27.0 ns 4 -Build func full name stringa 1;_cv 1.45 % 2.56 % 4 +Build func full name std::string;_mean 1734 ns 1737 ns 4 +Build func full name std::string;_median 1735 ns 1716 ns 4 +Build func full name std::string;_stddev 116 ns 111 ns 4 +Build func full name std::string;_cv 6.71 % 6.38 % 4 +Build func full name std::string 1;_mean 1701 ns 1707 ns 4 +Build func full name std::string 1;_median 1705 ns 1707 ns 4 +Build func full name std::string 1;_stddev 53.2 ns 49.5 ns 4 +Build func full name std::string 1;_cv 3.12 % 2.90 % 4 +Build func full name std::stream;_mean 9780 ns 9783 ns 4 +Build func full name std::stream;_median 9731 ns 9731 ns 4 +Build func full name std::stream;_stddev 178 ns 200 ns 4 +Build func full name std::stream;_cv 1.82 % 2.05 % 4 +Build func full name stringa;_mean 868 ns 872 ns 4 +Build func full name stringa;_median 863 ns 863 ns 4 +Build func full name stringa;_stddev 16.7 ns 24.7 ns 4 +Build func full name stringa;_cv 1.93 % 2.83 % 4 +Build func full name stringa 1;_mean 1010 ns 1004 ns 4 +Build func full name stringa 1;_median 1008 ns 1004 ns 4 +Build func full name stringa 1;_stddev 25.1 ns 17.1 ns 4 +Build func full name stringa 1;_cv 2.48 % 1.70 % 4 diff --git a/bench/results/004-Xeon E5-2682 v4, WASM Firefox, Clang-21.txt b/bench/results/004-Xeon E5-2682 v4, WASM Firefox, Clang-21.txt index d66404c..6c1a5fb 100644 --- a/bench/results/004-Xeon E5-2682 v4, WASM Firefox, Clang-21.txt +++ b/bench/results/004-Xeon E5-2682 v4, WASM Firefox, Clang-21.txt @@ -1,4 +1,4 @@ -Benchmarks of simstr, version 1.6.3 +Benchmarks of simstr, version 1.6.4 Sources: https://github.com/orefkov/simstr Results: https://orefkov.github.io/simstr/results.html @@ -8,908 +8,916 @@ Firefox: 146.0.1.60 webasm Benchmark Time CPU Iterations -------------------------------------------------------------------------------------------------------------------------------------------------------- ----- Concatenate string + Number + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string and number by std to std::string_mean 1022 ns 1022 ns 4 -Concat std::string and number by std to std::string_median 1002 ns 1002 ns 4 -Concat std::string and number by std to std::string_stddev 94.1 ns 94.1 ns 4 -Concat std::string and number by std to std::string_cv 9.21 % 9.21 % 4 -Concat std::string and number by StrExpr to std::string_mean 449 ns 449 ns 4 -Concat std::string and number by StrExpr to std::string_median 450 ns 450 ns 4 -Concat std::string and number by StrExpr to std::string_stddev 15.9 ns 15.9 ns 4 -Concat std::string and number by StrExpr to std::string_cv 3.53 % 3.53 % 4 +Concat std::string and number by std to std::string_mean 891 ns 891 ns 4 +Concat std::string and number by std to std::string_median 878 ns 878 ns 4 +Concat std::string and number by std to std::string_stddev 66.3 ns 66.3 ns 4 +Concat std::string and number by std to std::string_cv 7.44 % 7.44 % 4 +Concat std::string and number by StrExpr to std::string_mean 402 ns 402 ns 4 +Concat std::string and number by StrExpr to std::string_median 393 ns 393 ns 4 +Concat std::string and number by StrExpr to std::string_stddev 19.0 ns 19.0 ns 4 +Concat std::string and number by StrExpr to std::string_cv 4.73 % 4.73 % 4 Concat stringa and number by StrExpr to simstr::stringa_mean 230 ns 230 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_median 226 ns 226 ns 4 +Concat stringa and number by StrExpr to simstr::stringa_median 232 ns 232 ns 4 Concat stringa and number by StrExpr to simstr::stringa_stddev 19.5 ns 19.5 ns 4 -Concat stringa and number by StrExpr to simstr::stringa_cv 8.51 % 8.51 % 4 -Concat stringa and number by e_concat to simstr::stringa_mean 239 ns 239 ns 4 -Concat stringa and number by e_concat to simstr::stringa_median 236 ns 236 ns 4 -Concat stringa and number by e_concat to simstr::stringa_stddev 29.4 ns 29.4 ns 4 -Concat stringa and number by e_concat to simstr::stringa_cv 12.32 % 12.32 % 4 +Concat stringa and number by StrExpr to simstr::stringa_cv 8.50 % 8.50 % 4 +Concat stringa and number by e_concat to simstr::stringa_mean 196 ns 196 ns 4 +Concat stringa and number by e_concat to simstr::stringa_median 196 ns 196 ns 4 +Concat stringa and number by e_concat to simstr::stringa_stddev 5.39 ns 5.39 ns 4 +Concat stringa and number by e_concat to simstr::stringa_cv 2.75 % 2.75 % 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 1423 ns 1423 ns 4 -Concat std::string and format hex number and literal to std::string_median 1421 ns 1421 ns 4 -Concat std::string and format hex number and literal to std::string_stddev 41.6 ns 41.6 ns 4 -Concat std::string and format hex number and literal to std::string_cv 2.92 % 2.92 % 4 -std::format std::string and hex number by literal to std::string_mean 1601 ns 1601 ns 4 -std::format std::string and hex number by literal to std::string_median 1604 ns 1604 ns 4 -std::format std::string and hex number by literal to std::string_stddev 39.1 ns 39.1 ns 4 -std::format std::string and hex number by literal to std::string_cv 2.44 % 2.44 % 4 -Concat std::string and std::to_chars and string to std::string_mean 640 ns 640 ns 4 -Concat std::string and std::to_chars and string to std::string_median 630 ns 630 ns 4 -Concat std::string and std::to_chars and string to std::string_stddev 23.5 ns 23.5 ns 4 -Concat std::string and std::to_chars and string to std::string_cv 3.67 % 3.67 % 4 -Concat std::string and hex number and literal by StrExpr to std::string_mean 422 ns 422 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_median 416 ns 416 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_stddev 31.7 ns 31.7 ns 4 -Concat std::string and hex number and literal by StrExpr to std::string_cv 7.51 % 7.51 % 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 212 ns 212 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 212 ns 212 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 10.8 ns 10.8 ns 4 -Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 5.10 % 5.10 % 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 213 ns 213 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_median 209 ns 209 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 10.1 ns 10.1 ns 4 -Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 4.72 % 4.72 % 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_mean 486 ns 486 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_median 479 ns 479 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 20.9 ns 20.9 ns 4 -Subst stringa and hex number by e_subst literal to simstr::stringa_cv 4.31 % 4.31 % 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 773 ns 773 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 787 ns 787 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 53.1 ns 53.1 ns 4 -Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 6.87 % 6.87 % 4 +Concat std::string and format hex number and literal to std::string_mean 1301 ns 1301 ns 4 +Concat std::string and format hex number and literal to std::string_median 1297 ns 1297 ns 4 +Concat std::string and format hex number and literal to std::string_stddev 34.9 ns 34.9 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 1590 ns 1590 ns 4 +std::format std::string and hex number by literal to std::string_median 1587 ns 1587 ns 4 +std::format std::string and hex number by literal to std::string_stddev 34.8 ns 34.8 ns 4 +std::format std::string and hex number by literal to std::string_cv 2.19 % 2.19 % 4 +Concat std::string and std::to_chars and string to std::string_mean 611 ns 611 ns 4 +Concat std::string and std::to_chars and string to std::string_median 604 ns 605 ns 4 +Concat std::string and std::to_chars and string to std::string_stddev 14.9 ns 14.8 ns 4 +Concat std::string and std::to_chars and string to std::string_cv 2.44 % 2.42 % 4 +Concat std::string and hex number and literal by StrExpr to std::string_mean 419 ns 419 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_median 420 ns 420 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_stddev 29.1 ns 29.1 ns 4 +Concat std::string and hex number and literal by StrExpr to std::string_cv 6.95 % 6.95 % 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_mean 220 ns 220 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_median 221 ns 221 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_stddev 21.1 ns 21.1 ns 4 +Concat stringa and hex number and literal by StrExpr to simstr::stringa_cv 9.60 % 9.60 % 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_mean 214 ns 214 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_median 213 ns 213 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_stddev 9.28 ns 9.28 ns 4 +Concat stringa and hex number and literal by e_concat to simstr::stringa_cv 4.34 % 4.34 % 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_mean 463 ns 463 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_median 477 ns 477 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_stddev 35.6 ns 35.6 ns 4 +Subst stringa and hex number by e_subst literal to simstr::stringa_cv 7.67 % 7.67 % 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_mean 770 ns 770 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_median 779 ns 779 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_stddev 43.5 ns 43.5 ns 4 +Subst stringa and hex number by e_vsubst stra to simstr::stringa_cv 5.65 % 5.65 % 4 ----- format/vformat and subst/vsubst octal number ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_mean 641 ns 641 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_median 632 ns 632 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_stddev 32.5 ns 32.5 ns 4 -e_subst("art {} end", e_int<8, f::w<10> | f::p | f::z>(i))_cv 5.07 % 5.07 % 4 -std::format("art {:#010o} end", i)_mean 1750 ns 1750 ns 4 -std::format("art {:#010o} end", i)_median 1747 ns 1747 ns 4 -std::format("art {:#010o} end", i)_stddev 62.7 ns 62.7 ns 4 -std::format("art {:#010o} end", i)_cv 3.58 % 3.58 % 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_mean 1016 ns 1016 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_median 1001 ns 1001 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_stddev 50.7 ns 50.7 ns 4 -e_vsubst(pattern, e_int<8, f::w<10> | f::p | f::z>(i))_cv 4.99 % 4.99 % 4 -std::vformat(pattern, std::make_format_args(i))_mean 1747 ns 1747 ns 4 -std::vformat(pattern, std::make_format_args(i))_median 1728 ns 1728 ns 4 -std::vformat(pattern, std::make_format_args(i))_stddev 51.6 ns 51.6 ns 4 -std::vformat(pattern, std::make_format_args(i))_cv 2.95 % 2.95 % 4 +"art "_ss + i / 0x8a010_fmt + " end"_mean 497 ns 497 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_median 507 ns 507 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_stddev 37.5 ns 37.5 ns 4 +"art "_ss + i / 0x8a010_fmt + " end"_cv 7.55 % 7.55 % 4 +e_subst("art {} end", i / 0x8a010_fmt)_mean 682 ns 683 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_median 684 ns 684 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_stddev 20.2 ns 19.8 ns 4 +e_subst("art {} end", i / 0x8a010_fmt)_cv 2.96 % 2.90 % 4 +e_vsubst(pattern, i / 0x8a010_fmt)_mean 999 ns 999 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_median 998 ns 998 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_stddev 9.96 ns 9.96 ns 4 +e_vsubst(pattern, i / 0x8a010_fmt)_cv 1.00 % 1.00 % 4 +std::format("art {:#010o} end", i)_mean 1770 ns 1770 ns 4 +std::format("art {:#010o} end", i)_median 1779 ns 1779 ns 4 +std::format("art {:#010o} end", i)_stddev 42.1 ns 42.1 ns 4 +std::format("art {:#010o} end", i)_cv 2.38 % 2.38 % 4 +std::vformat(pattern, std::make_format_args(i))_mean 1790 ns 1790 ns 4 +std::vformat(pattern, std::make_format_args(i))_median 1803 ns 1803 ns 4 +std::vformat(pattern, std::make_format_args(i))_stddev 63.4 ns 63.4 ns 4 +std::vformat(pattern, std::make_format_args(i))_cv 3.54 % 3.54 % 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_mean 4124 ns 4124 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_median 4096 ns 4096 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_stddev 120 ns 120 ns 4 +strm << "art 0" << std::oct << std::setw(9) << std::setfill('0') << i << " end"_cv 2.92 % 2.92 % 4 ----- Concatenate string + "Literal" ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat std::string by std to std::string_mean 96.4 ns 96.4 ns 4 -Concat std::string by std to std::string_median 96.9 ns 96.9 ns 4 -Concat std::string by std to std::string_stddev 1.68 ns 1.68 ns 4 -Concat std::string by std to std::string_cv 1.74 % 1.74 % 4 -Concat std::string by StrExpr to std::string_mean 111 ns 111 ns 4 -Concat std::string by StrExpr to std::string_median 109 ns 109 ns 4 -Concat std::string by StrExpr to std::string_stddev 5.51 ns 5.51 ns 4 -Concat std::string by StrExpr to std::string_cv 4.98 % 4.98 % 4 -Concat stringa by StrExpr to stringa_mean 101 ns 101 ns 4 -Concat stringa by StrExpr to stringa_median 102 ns 102 ns 4 -Concat stringa by StrExpr to stringa_stddev 4.02 ns 4.02 ns 4 -Concat stringa by StrExpr to stringa_cv 4.00 % 4.00 % 4 +Concat std::string by std to std::string_mean 102 ns 102 ns 4 +Concat std::string by std to std::string_median 102 ns 102 ns 4 +Concat std::string by std to std::string_stddev 0.936 ns 0.936 ns 4 +Concat std::string by std to std::string_cv 0.92 % 0.92 % 4 +Concat std::string by StrExpr to std::string_mean 119 ns 119 ns 4 +Concat std::string by StrExpr to std::string_median 118 ns 118 ns 4 +Concat std::string by StrExpr to std::string_stddev 5.22 ns 5.22 ns 4 +Concat std::string by StrExpr to std::string_cv 4.39 % 4.39 % 4 +Concat stringa by StrExpr to stringa_mean 93.6 ns 93.6 ns 4 +Concat stringa by StrExpr to stringa_median 94.6 ns 94.6 ns 4 +Concat stringa by StrExpr to stringa_stddev 2.79 ns 2.79 ns 4 +Concat stringa by StrExpr to stringa_cv 2.98 % 2.98 % 4 ----- Find three concatenated string in string_view -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Find concat three std::string_mean 149 ns 149 ns 4 -Find concat three std::string_median 151 ns 151 ns 4 -Find concat three std::string_stddev 5.11 ns 5.11 ns 4 -Find concat three std::string_cv 3.42 % 3.42 % 4 -Find concat three strexpr_mean 106 ns 106 ns 4 -Find concat three strexpr_median 106 ns 106 ns 4 -Find concat three strexpr_stddev 2.66 ns 2.66 ns 4 -Find concat three strexpr_cv 2.51 % 2.51 % 4 -Find concat three simstr_mean 73.1 ns 73.1 ns 4 +Find concat three std::string_mean 157 ns 157 ns 4 +Find concat three std::string_median 156 ns 156 ns 4 +Find concat three std::string_stddev 7.12 ns 7.12 ns 4 +Find concat three std::string_cv 4.53 % 4.53 % 4 +Find concat three strexpr_mean 102 ns 102 ns 4 +Find concat three strexpr_median 101 ns 101 ns 4 +Find concat three strexpr_stddev 3.58 ns 3.58 ns 4 +Find concat three strexpr_cv 3.50 % 3.50 % 4 +Find concat three simstr_mean 72.5 ns 72.5 ns 4 Find concat three simstr_median 72.7 ns 72.7 ns 4 -Find concat three simstr_stddev 2.42 ns 2.42 ns 4 -Find concat three simstr_cv 3.32 % 3.32 % 4 +Find concat three simstr_stddev 1.58 ns 1.58 ns 4 +Find concat three simstr_cv 2.18 % 2.18 % 4 ----- Build Type Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -BuildTypeNameStr 0/0_mean 18.0 ns 18.0 ns 4 -BuildTypeNameStr 0/0_median 18.0 ns 18.0 ns 4 -BuildTypeNameStr 0/0_stddev 0.794 ns 0.794 ns 4 -BuildTypeNameStr 0/0_cv 4.41 % 4.41 % 4 -BuildTypeNameExp 0/0_mean 17.5 ns 17.5 ns 4 -BuildTypeNameExp 0/0_median 17.5 ns 17.5 ns 4 -BuildTypeNameExp 0/0_stddev 0.955 ns 0.955 ns 4 -BuildTypeNameExp 0/0_cv 5.47 % 5.47 % 4 -BuildTypeNameSim 0/0_mean 15.6 ns 15.6 ns 4 -BuildTypeNameSim 0/0_median 15.7 ns 15.7 ns 4 -BuildTypeNameSim 0/0_stddev 0.798 ns 0.798 ns 4 -BuildTypeNameSim 0/0_cv 5.11 % 5.11 % 4 -BuildTypeNameStr 10/10_mean 296 ns 296 ns 4 -BuildTypeNameStr 10/10_median 298 ns 298 ns 4 -BuildTypeNameStr 10/10_stddev 28.0 ns 28.0 ns 4 -BuildTypeNameStr 10/10_cv 9.47 % 9.47 % 4 -BuildTypeNameExp 10/10_mean 106 ns 106 ns 4 -BuildTypeNameExp 10/10_median 105 ns 105 ns 4 -BuildTypeNameExp 10/10_stddev 7.19 ns 7.19 ns 4 -BuildTypeNameExp 10/10_cv 6.80 % 6.80 % 4 -BuildTypeNameSim 10/10_mean 72.9 ns 72.9 ns 4 -BuildTypeNameSim 10/10_median 71.5 ns 71.5 ns 4 -BuildTypeNameSim 10/10_stddev 6.88 ns 6.88 ns 4 -BuildTypeNameSim 10/10_cv 9.43 % 9.43 % 4 +BuildTypeNameStr 0/0_mean 17.5 ns 17.5 ns 4 +BuildTypeNameStr 0/0_median 17.3 ns 17.3 ns 4 +BuildTypeNameStr 0/0_stddev 1.09 ns 1.09 ns 4 +BuildTypeNameStr 0/0_cv 6.24 % 6.24 % 4 +BuildTypeNameExp 0/0_mean 16.4 ns 16.4 ns 4 +BuildTypeNameExp 0/0_median 16.0 ns 16.0 ns 4 +BuildTypeNameExp 0/0_stddev 1.13 ns 1.13 ns 4 +BuildTypeNameExp 0/0_cv 6.89 % 6.89 % 4 +BuildTypeNameSim 0/0_mean 16.5 ns 16.5 ns 4 +BuildTypeNameSim 0/0_median 16.6 ns 16.6 ns 4 +BuildTypeNameSim 0/0_stddev 0.683 ns 0.683 ns 4 +BuildTypeNameSim 0/0_cv 4.15 % 4.15 % 4 +BuildTypeNameStr 10/10_mean 283 ns 283 ns 4 +BuildTypeNameStr 10/10_median 282 ns 282 ns 4 +BuildTypeNameStr 10/10_stddev 5.99 ns 5.99 ns 4 +BuildTypeNameStr 10/10_cv 2.12 % 2.12 % 4 +BuildTypeNameExp 10/10_mean 98.2 ns 98.2 ns 4 +BuildTypeNameExp 10/10_median 97.6 ns 97.6 ns 4 +BuildTypeNameExp 10/10_stddev 7.37 ns 7.37 ns 4 +BuildTypeNameExp 10/10_cv 7.51 % 7.51 % 4 +BuildTypeNameSim 10/10_mean 74.6 ns 74.6 ns 4 +BuildTypeNameSim 10/10_median 73.4 ns 73.4 ns 4 +BuildTypeNameSim 10/10_stddev 7.30 ns 7.30 ns 4 +BuildTypeNameSim 10/10_cv 9.79 % 9.79 % 4 ----- Replace string by copy -----/repeats:1 0.000 ns 0.000 ns 1000000000000 -Concat with replace str_mean 496 ns 496 ns 4 -Concat with replace str_median 485 ns 485 ns 4 -Concat with replace str_stddev 42.6 ns 42.6 ns 4 -Concat with replace str_cv 8.60 % 8.60 % 4 -Concat with replace exp_mean 284 ns 284 ns 4 -Concat with replace exp_median 284 ns 284 ns 4 -Concat with replace exp_stddev 14.1 ns 14.1 ns 4 -Concat with replace exp_cv 4.95 % 4.95 % 4 +Concat with replace str_mean 436 ns 436 ns 4 +Concat with replace str_median 435 ns 435 ns 4 +Concat with replace str_stddev 17.1 ns 17.1 ns 4 +Concat with replace str_cv 3.93 % 3.93 % 4 +Concat with replace exp_mean 259 ns 259 ns 4 +Concat with replace exp_median 261 ns 261 ns 4 +Concat with replace exp_stddev 10.3 ns 10.3 ns 4 +Concat with replace exp_cv 3.97 % 3.97 % 4 ----- Create Empty Str ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e;_mean 2.16 ns 2.16 ns 4 -std::string e;_median 2.16 ns 2.16 ns 4 +std::string e;_mean 2.15 ns 2.15 ns 4 +std::string e;_median 2.15 ns 2.15 ns 4 std::string e;_stddev 0.034 ns 0.034 ns 4 -std::string e;_cv 1.57 % 1.57 % 4 -std::string_view e;_mean 0.989 ns 0.989 ns 4 -std::string_view e;_median 0.990 ns 0.990 ns 4 -std::string_view e;_stddev 0.011 ns 0.011 ns 4 -std::string_view e;_cv 1.10 % 1.10 % 4 -ssa e;_mean 0.945 ns 0.945 ns 4 -ssa e;_median 0.940 ns 0.940 ns 4 -ssa e;_stddev 0.013 ns 0.013 ns 4 -ssa e;_cv 1.39 % 1.39 % 4 -stringa e;_mean 2.16 ns 2.16 ns 4 -stringa e;_median 2.16 ns 2.16 ns 4 -stringa e;_stddev 0.029 ns 0.029 ns 4 -stringa e;_cv 1.34 % 1.34 % 4 -lstringa<20> e;_mean 2.22 ns 2.22 ns 4 -lstringa<20> e;_median 2.22 ns 2.22 ns 4 -lstringa<20> e;_stddev 0.049 ns 0.049 ns 4 -lstringa<20> e;_cv 2.22 % 2.22 % 4 -lstringa<40> e;_mean 2.54 ns 2.54 ns 4 -lstringa<40> e;_median 2.54 ns 2.54 ns 4 -lstringa<40> e;_stddev 0.017 ns 0.017 ns 4 -lstringa<40> e;_cv 0.68 % 0.68 % 4 +std::string e;_cv 1.59 % 1.59 % 4 +std::string_view e;_mean 1.03 ns 1.03 ns 4 +std::string_view e;_median 1.02 ns 1.02 ns 4 +std::string_view e;_stddev 0.041 ns 0.041 ns 4 +std::string_view e;_cv 4.01 % 4.01 % 4 +ssa e;_mean 0.941 ns 0.941 ns 4 +ssa e;_median 0.939 ns 0.939 ns 4 +ssa e;_stddev 0.009 ns 0.009 ns 4 +ssa e;_cv 0.96 % 0.96 % 4 +stringa e;_mean 2.15 ns 2.15 ns 4 +stringa e;_median 2.15 ns 2.15 ns 4 +stringa e;_stddev 0.005 ns 0.005 ns 4 +stringa e;_cv 0.23 % 0.23 % 4 +lstringa<20> e;_mean 2.25 ns 2.25 ns 4 +lstringa<20> e;_median 2.23 ns 2.23 ns 4 +lstringa<20> e;_stddev 0.076 ns 0.076 ns 4 +lstringa<20> e;_cv 3.40 % 3.40 % 4 +lstringa<40> e;_mean 2.51 ns 2.51 ns 4 +lstringa<40> e;_median 2.51 ns 2.51 ns 4 +lstringa<40> e;_stddev 0.020 ns 0.020 ns 4 +lstringa<40> e;_cv 0.78 % 0.78 % 4 ----- Create Str from short literal (9 symbols) --------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "Test text";_mean 2.29 ns 2.29 ns 4 -std::string e = "Test text";_median 2.29 ns 2.29 ns 4 -std::string e = "Test text";_stddev 0.019 ns 0.019 ns 4 -std::string e = "Test text";_cv 0.84 % 0.84 % 4 -std::string_view e = "Test text";_mean 1.24 ns 1.24 ns 4 +std::string e = "Test text";_mean 2.32 ns 2.32 ns 4 +std::string e = "Test text";_median 2.28 ns 2.28 ns 4 +std::string e = "Test text";_stddev 0.090 ns 0.090 ns 4 +std::string e = "Test text";_cv 3.87 % 3.87 % 4 +std::string_view e = "Test text";_mean 1.23 ns 1.23 ns 4 std::string_view e = "Test text";_median 1.24 ns 1.24 ns 4 -std::string_view e = "Test text";_stddev 0.013 ns 0.013 ns 4 -std::string_view e = "Test text";_cv 1.04 % 1.04 % 4 -ssa e = "Test text";_mean 0.976 ns 0.976 ns 4 -ssa e = "Test text";_median 0.976 ns 0.976 ns 4 -ssa e = "Test text";_stddev 0.011 ns 0.011 ns 4 -ssa e = "Test text";_cv 1.14 % 1.14 % 4 -stringa e = "Test text";_mean 2.22 ns 2.22 ns 4 -stringa e = "Test text";_median 2.22 ns 2.22 ns 4 -stringa e = "Test text";_stddev 0.044 ns 0.044 ns 4 -stringa e = "Test text";_cv 1.97 % 1.97 % 4 -lstringa<20> e = "Test text";_mean 2.64 ns 2.64 ns 4 -lstringa<20> e = "Test text";_median 2.60 ns 2.60 ns 4 -lstringa<20> e = "Test text";_stddev 0.073 ns 0.073 ns 4 -lstringa<20> e = "Test text";_cv 2.78 % 2.78 % 4 +std::string_view e = "Test text";_stddev 0.011 ns 0.011 ns 4 +std::string_view e = "Test text";_cv 0.89 % 0.89 % 4 +ssa e = "Test text";_mean 0.982 ns 0.982 ns 4 +ssa e = "Test text";_median 0.975 ns 0.975 ns 4 +ssa e = "Test text";_stddev 0.028 ns 0.028 ns 4 +ssa e = "Test text";_cv 2.84 % 2.84 % 4 +stringa e = "Test text";_mean 2.25 ns 2.25 ns 4 +stringa e = "Test text";_median 2.26 ns 2.26 ns 4 +stringa e = "Test text";_stddev 0.135 ns 0.135 ns 4 +stringa e = "Test text";_cv 5.98 % 5.98 % 4 +lstringa<20> e = "Test text";_mean 2.73 ns 2.73 ns 4 +lstringa<20> e = "Test text";_median 2.71 ns 2.71 ns 4 +lstringa<20> e = "Test text";_stddev 0.108 ns 0.108 ns 4 +lstringa<20> e = "Test text";_cv 3.95 % 3.95 % 4 lstringa<40> e = "Test text";_mean 2.65 ns 2.65 ns 4 -lstringa<40> e = "Test text";_median 2.63 ns 2.63 ns 4 -lstringa<40> e = "Test text";_stddev 0.064 ns 0.064 ns 4 -lstringa<40> e = "Test text";_cv 2.40 % 2.40 % 4 +lstringa<40> e = "Test text";_median 2.65 ns 2.65 ns 4 +lstringa<40> e = "Test text";_stddev 0.007 ns 0.007 ns 4 +lstringa<40> e = "Test text";_cv 0.26 % 0.26 % 4 ----- Create Str from long literal (30 symbols) ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string e = "123456789012345678901234567890";_mean 16.3 ns 16.3 ns 4 -std::string e = "123456789012345678901234567890";_median 16.3 ns 16.3 ns 4 -std::string e = "123456789012345678901234567890";_stddev 0.257 ns 0.257 ns 4 -std::string e = "123456789012345678901234567890";_cv 1.58 % 1.58 % 4 -std::string_view e = "123456789012345678901234567890";_mean 1.23 ns 1.23 ns 4 -std::string_view e = "123456789012345678901234567890";_median 1.23 ns 1.23 ns 4 -std::string_view e = "123456789012345678901234567890";_stddev 0.022 ns 0.022 ns 4 -std::string_view e = "123456789012345678901234567890";_cv 1.79 % 1.79 % 4 -ssa e = "123456789012345678901234567890";_mean 0.976 ns 0.976 ns 4 -ssa e = "123456789012345678901234567890";_median 0.976 ns 0.976 ns 4 -ssa e = "123456789012345678901234567890";_stddev 0.016 ns 0.016 ns 4 -ssa e = "123456789012345678901234567890";_cv 1.61 % 1.61 % 4 -stringa e = "123456789012345678901234567890";_mean 2.27 ns 2.28 ns 4 -stringa e = "123456789012345678901234567890";_median 2.27 ns 2.27 ns 4 -stringa e = "123456789012345678901234567890";_stddev 0.062 ns 0.061 ns 4 -stringa e = "123456789012345678901234567890";_cv 2.72 % 2.69 % 4 -lstringa<20> e = "123456789012345678901234567890";_mean 17.1 ns 17.1 ns 4 -lstringa<20> e = "123456789012345678901234567890";_median 17.2 ns 17.2 ns 4 -lstringa<20> e = "123456789012345678901234567890";_stddev 0.533 ns 0.533 ns 4 -lstringa<20> e = "123456789012345678901234567890";_cv 3.11 % 3.11 % 4 -lstringa<40> e = "123456789012345678901234567890";_mean 3.01 ns 3.01 ns 4 -lstringa<40> e = "123456789012345678901234567890";_median 2.99 ns 2.99 ns 4 -lstringa<40> e = "123456789012345678901234567890";_stddev 0.045 ns 0.045 ns 4 -lstringa<40> e = "123456789012345678901234567890";_cv 1.50 % 1.50 % 4 +std::string e = "123456789012345678901234567890";_mean 15.9 ns 15.9 ns 4 +std::string e = "123456789012345678901234567890";_median 15.9 ns 15.9 ns 4 +std::string e = "123456789012345678901234567890";_stddev 0.414 ns 0.414 ns 4 +std::string e = "123456789012345678901234567890";_cv 2.61 % 2.61 % 4 +std::string_view e = "123456789012345678901234567890";_mean 1.26 ns 1.26 ns 4 +std::string_view e = "123456789012345678901234567890";_median 1.26 ns 1.26 ns 4 +std::string_view e = "123456789012345678901234567890";_stddev 0.054 ns 0.054 ns 4 +std::string_view e = "123456789012345678901234567890";_cv 4.29 % 4.29 % 4 +ssa e = "123456789012345678901234567890";_mean 0.971 ns 0.971 ns 4 +ssa e = "123456789012345678901234567890";_median 0.972 ns 0.972 ns 4 +ssa e = "123456789012345678901234567890";_stddev 0.015 ns 0.015 ns 4 +ssa e = "123456789012345678901234567890";_cv 1.51 % 1.51 % 4 +stringa e = "123456789012345678901234567890";_mean 2.23 ns 2.23 ns 4 +stringa e = "123456789012345678901234567890";_median 2.22 ns 2.22 ns 4 +stringa e = "123456789012345678901234567890";_stddev 0.062 ns 0.062 ns 4 +stringa e = "123456789012345678901234567890";_cv 2.80 % 2.80 % 4 +lstringa<20> e = "123456789012345678901234567890";_mean 16.5 ns 16.5 ns 4 +lstringa<20> e = "123456789012345678901234567890";_median 16.6 ns 16.6 ns 4 +lstringa<20> e = "123456789012345678901234567890";_stddev 0.463 ns 0.463 ns 4 +lstringa<20> e = "123456789012345678901234567890";_cv 2.80 % 2.80 % 4 +lstringa<40> e = "123456789012345678901234567890";_mean 3.16 ns 3.16 ns 4 +lstringa<40> e = "123456789012345678901234567890";_median 3.11 ns 3.11 ns 4 +lstringa<40> e = "123456789012345678901234567890";_stddev 0.289 ns 0.289 ns 4 +lstringa<40> e = "123456789012345678901234567890";_cv 9.16 % 9.16 % 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 2.21 ns 2.21 ns 4 -std::string e = "Test text"; auto c{e};_median 2.22 ns 2.22 ns 4 -std::string e = "Test text"; auto c{e};_stddev 0.039 ns 0.039 ns 4 -std::string e = "Test text"; auto c{e};_cv 1.77 % 1.77 % 4 +std::string e = "Test text"; auto c{e};_mean 2.24 ns 2.24 ns 4 +std::string e = "Test text"; auto c{e};_median 2.24 ns 2.24 ns 4 +std::string e = "Test text"; auto c{e};_stddev 0.055 ns 0.055 ns 4 +std::string e = "Test text"; auto c{e};_cv 2.45 % 2.45 % 4 std::string_view e = "Test text"; auto c{e};_mean 1.24 ns 1.24 ns 4 -std::string_view e = "Test text"; auto c{e};_median 1.23 ns 1.23 ns 4 -std::string_view e = "Test text"; auto c{e};_stddev 0.026 ns 0.026 ns 4 -std::string_view e = "Test text"; auto c{e};_cv 2.11 % 2.11 % 4 +std::string_view e = "Test text"; auto c{e};_median 1.24 ns 1.24 ns 4 +std::string_view e = "Test text"; auto c{e};_stddev 0.014 ns 0.014 ns 4 +std::string_view e = "Test text"; auto c{e};_cv 1.13 % 1.13 % 4 ssa e = "Test text"; auto c{e};_mean 1.23 ns 1.23 ns 4 ssa e = "Test text"; auto c{e};_median 1.24 ns 1.24 ns 4 -ssa e = "Test text"; auto c{e};_stddev 0.032 ns 0.032 ns 4 -ssa e = "Test text"; auto c{e};_cv 2.60 % 2.60 % 4 -stringa e = "Test text"; auto c{e};_mean 2.64 ns 2.64 ns 4 -stringa e = "Test text"; auto c{e};_median 2.66 ns 2.66 ns 4 -stringa e = "Test text"; auto c{e};_stddev 0.081 ns 0.081 ns 4 -stringa e = "Test text"; auto c{e};_cv 3.07 % 3.07 % 4 -lstringa<20> e = "Test text"; auto c{e};_mean 15.5 ns 15.5 ns 4 -lstringa<20> e = "Test text"; auto c{e};_median 15.7 ns 15.7 ns 4 -lstringa<20> e = "Test text"; auto c{e};_stddev 0.843 ns 0.843 ns 4 -lstringa<20> e = "Test text"; auto c{e};_cv 5.43 % 5.43 % 4 -lstringa<40> e = "Test text"; auto c{e};_mean 14.8 ns 14.8 ns 4 -lstringa<40> e = "Test text"; auto c{e};_median 14.8 ns 14.8 ns 4 -lstringa<40> e = "Test text"; auto c{e};_stddev 0.518 ns 0.518 ns 4 -lstringa<40> e = "Test text"; auto c{e};_cv 3.49 % 3.49 % 4 +ssa e = "Test text"; auto c{e};_stddev 0.034 ns 0.034 ns 4 +ssa e = "Test text"; auto c{e};_cv 2.78 % 2.78 % 4 +stringa e = "Test text"; auto c{e};_mean 2.61 ns 2.61 ns 4 +stringa e = "Test text"; auto c{e};_median 2.61 ns 2.61 ns 4 +stringa e = "Test text"; auto c{e};_stddev 0.058 ns 0.058 ns 4 +stringa e = "Test text"; auto c{e};_cv 2.21 % 2.21 % 4 +lstringa<20> e = "Test text"; auto c{e};_mean 16.2 ns 16.2 ns 4 +lstringa<20> e = "Test text"; auto c{e};_median 16.1 ns 16.1 ns 4 +lstringa<20> e = "Test text"; auto c{e};_stddev 1.26 ns 1.26 ns 4 +lstringa<20> e = "Test text"; auto c{e};_cv 7.76 % 7.76 % 4 +lstringa<40> e = "Test text"; auto c{e};_mean 14.7 ns 14.7 ns 4 +lstringa<40> e = "Test text"; auto c{e};_median 14.7 ns 14.7 ns 4 +lstringa<40> e = "Test text"; auto c{e};_stddev 0.936 ns 0.936 ns 4 +lstringa<40> e = "Test text"; auto c{e};_cv 6.38 % 6.38 % 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 36.8 ns 36.8 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_median 36.6 ns 36.6 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_stddev 2.54 ns 2.54 ns 4 -std::string e = "123456789012345678901234567890"; auto c{e};_cv 6.89 % 6.89 % 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.25 ns 1.25 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.25 ns 1.25 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.020 ns 0.020 ns 4 -std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.57 % 1.60 % 4 -ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.975 ns 0.975 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_median 0.975 ns 0.975 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.012 ns 0.012 ns 4 -ssa e = "123456789012345678901234567890"; auto c{e};_cv 1.25 % 1.25 % 4 -stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.24 ns 2.24 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_median 2.22 ns 2.22 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.069 ns 0.069 ns 4 -stringa e = "123456789012345678901234567890"; auto c{e};_cv 3.07 % 3.07 % 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 15.9 ns 15.9 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 15.9 ns 15.9 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.371 ns 0.371 ns 4 -lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 2.33 % 2.33 % 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 14.8 ns 14.8 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 14.8 ns 14.8 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.454 ns 0.454 ns 4 -lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 3.06 % 3.06 % 4 +std::string e = "123456789012345678901234567890"; auto c{e};_mean 37.7 ns 37.7 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_median 38.0 ns 38.0 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_stddev 1.53 ns 1.53 ns 4 +std::string e = "123456789012345678901234567890"; auto c{e};_cv 4.06 % 4.06 % 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_mean 1.23 ns 1.23 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_median 1.22 ns 1.22 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_stddev 0.022 ns 0.022 ns 4 +std::string_view e = "123456789012345678901234567890"; auto c{e};_cv 1.83 % 1.83 % 4 +ssa e = "123456789012345678901234567890"; auto c{e};_mean 0.989 ns 0.989 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_median 0.986 ns 0.986 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_stddev 0.025 ns 0.025 ns 4 +ssa e = "123456789012345678901234567890"; auto c{e};_cv 2.55 % 2.55 % 4 +stringa e = "123456789012345678901234567890"; auto c{e};_mean 2.19 ns 2.19 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_median 2.18 ns 2.18 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_stddev 0.016 ns 0.016 ns 4 +stringa e = "123456789012345678901234567890"; auto c{e};_cv 0.74 % 0.74 % 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_mean 16.2 ns 16.2 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_median 16.1 ns 16.1 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_stddev 0.579 ns 0.579 ns 4 +lstringa<20> e = "123456789012345678901234567890"; auto c{e};_cv 3.58 % 3.58 % 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_mean 13.7 ns 13.7 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_median 13.7 ns 13.7 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_stddev 0.534 ns 0.534 ns 4 +lstringa<40> e = "123456789012345678901234567890"; auto c{e};_cv 3.88 % 3.88 % 4 ----- Find 9 symbols text in end of 99 symbols text ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find;_mean 44.9 ns 44.9 ns 4 -std::string::find;_median 44.9 ns 44.9 ns 4 -std::string::find;_stddev 0.762 ns 0.762 ns 4 -std::string::find;_cv 1.70 % 1.70 % 4 -std::string_view::find;_mean 51.6 ns 51.6 ns 4 -std::string_view::find;_median 51.5 ns 51.5 ns 4 -std::string_view::find;_stddev 1.28 ns 1.28 ns 4 -std::string_view::find;_cv 2.49 % 2.49 % 4 -ssa::find;_mean 49.0 ns 49.0 ns 4 -ssa::find;_median 48.7 ns 48.7 ns 4 -ssa::find;_stddev 0.800 ns 0.800 ns 4 -ssa::find;_cv 1.63 % 1.63 % 4 -stringa::find;_mean 51.1 ns 51.1 ns 4 -stringa::find;_median 51.1 ns 51.1 ns 4 -stringa::find;_stddev 0.781 ns 0.781 ns 4 -stringa::find;_cv 1.53 % 1.53 % 4 -lstringa<20>::find;_mean 43.9 ns 43.9 ns 4 -lstringa<20>::find;_median 43.8 ns 43.9 ns 4 -lstringa<20>::find;_stddev 1.06 ns 1.05 ns 4 -lstringa<20>::find;_cv 2.42 % 2.40 % 4 -lstringa<40>::find;_mean 44.6 ns 44.6 ns 4 -lstringa<40>::find;_median 44.5 ns 44.5 ns 4 -lstringa<40>::find;_stddev 1.12 ns 1.12 ns 4 -lstringa<40>::find;_cv 2.52 % 2.52 % 4 +std::string::find;_mean 45.9 ns 45.9 ns 4 +std::string::find;_median 45.8 ns 45.8 ns 4 +std::string::find;_stddev 0.967 ns 0.967 ns 4 +std::string::find;_cv 2.11 % 2.11 % 4 +std::string_view::find;_mean 51.0 ns 51.0 ns 4 +std::string_view::find;_median 51.2 ns 51.2 ns 4 +std::string_view::find;_stddev 1.35 ns 1.35 ns 4 +std::string_view::find;_cv 2.65 % 2.65 % 4 +ssa::find;_mean 48.9 ns 48.9 ns 4 +ssa::find;_median 48.9 ns 48.9 ns 4 +ssa::find;_stddev 0.252 ns 0.252 ns 4 +ssa::find;_cv 0.52 % 0.52 % 4 +stringa::find;_mean 51.8 ns 51.8 ns 4 +stringa::find;_median 52.0 ns 52.0 ns 4 +stringa::find;_stddev 2.78 ns 2.78 ns 4 +stringa::find;_cv 5.36 % 5.36 % 4 +lstringa<20>::find;_mean 44.6 ns 44.6 ns 4 +lstringa<20>::find;_median 44.8 ns 44.8 ns 4 +lstringa<20>::find;_stddev 1.35 ns 1.35 ns 4 +lstringa<20>::find;_cv 3.02 % 3.02 % 4 +lstringa<40>::find;_mean 43.8 ns 43.8 ns 4 +lstringa<40>::find;_median 43.5 ns 43.5 ns 4 +lstringa<40>::find;_stddev 1.45 ns 1.45 ns 4 +lstringa<40>::find;_cv 3.31 % 3.31 % 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 35.7 ns 35.7 ns 4 -std::string copy{str_with_len_N};/15_median 35.6 ns 35.6 ns 4 -std::string copy{str_with_len_N};/15_stddev 1.49 ns 1.49 ns 4 -std::string copy{str_with_len_N};/15_cv 4.17 % 4.17 % 4 -std::string copy{str_with_len_N};/16_mean 35.9 ns 35.9 ns 4 -std::string copy{str_with_len_N};/16_median 35.7 ns 35.7 ns 4 -std::string copy{str_with_len_N};/16_stddev 0.839 ns 0.839 ns 4 -std::string copy{str_with_len_N};/16_cv 2.34 % 2.34 % 4 -std::string copy{str_with_len_N};/23_mean 36.3 ns 36.3 ns 4 -std::string copy{str_with_len_N};/23_median 36.3 ns 36.3 ns 4 -std::string copy{str_with_len_N};/23_stddev 1.18 ns 1.18 ns 4 -std::string copy{str_with_len_N};/23_cv 3.26 % 3.26 % 4 -std::string copy{str_with_len_N};/24_mean 37.4 ns 37.4 ns 4 -std::string copy{str_with_len_N};/24_median 37.4 ns 37.4 ns 4 -std::string copy{str_with_len_N};/24_stddev 2.12 ns 2.12 ns 4 -std::string copy{str_with_len_N};/24_cv 5.66 % 5.66 % 4 -std::string copy{str_with_len_N};/32_mean 41.8 ns 41.8 ns 4 -std::string copy{str_with_len_N};/32_median 42.2 ns 42.2 ns 4 -std::string copy{str_with_len_N};/32_stddev 1.32 ns 1.32 ns 4 -std::string copy{str_with_len_N};/32_cv 3.15 % 3.15 % 4 -std::string copy{str_with_len_N};/64_mean 40.9 ns 40.9 ns 4 -std::string copy{str_with_len_N};/64_median 41.0 ns 41.0 ns 4 -std::string copy{str_with_len_N};/64_stddev 1.54 ns 1.54 ns 4 -std::string copy{str_with_len_N};/64_cv 3.77 % 3.77 % 4 -std::string copy{str_with_len_N};/128_mean 43.9 ns 43.9 ns 4 -std::string copy{str_with_len_N};/128_median 44.0 ns 44.0 ns 4 -std::string copy{str_with_len_N};/128_stddev 1.55 ns 1.55 ns 4 -std::string copy{str_with_len_N};/128_cv 3.53 % 3.53 % 4 -std::string copy{str_with_len_N};/256_mean 53.7 ns 53.7 ns 4 -std::string copy{str_with_len_N};/256_median 48.1 ns 48.1 ns 4 -std::string copy{str_with_len_N};/256_stddev 11.6 ns 11.6 ns 4 -std::string copy{str_with_len_N};/256_cv 21.59 % 21.59 % 4 -std::string copy{str_with_len_N};/512_mean 50.9 ns 50.9 ns 4 -std::string copy{str_with_len_N};/512_median 50.3 ns 50.3 ns 4 -std::string copy{str_with_len_N};/512_stddev 2.22 ns 2.22 ns 4 -std::string copy{str_with_len_N};/512_cv 4.36 % 4.36 % 4 -std::string copy{str_with_len_N};/1024_mean 58.1 ns 58.1 ns 4 -std::string copy{str_with_len_N};/1024_median 57.0 ns 57.0 ns 4 -std::string copy{str_with_len_N};/1024_stddev 3.32 ns 3.32 ns 4 -std::string copy{str_with_len_N};/1024_cv 5.72 % 5.72 % 4 -std::string copy{str_with_len_N};/2048_mean 83.5 ns 83.5 ns 4 -std::string copy{str_with_len_N};/2048_median 83.9 ns 83.9 ns 4 -std::string copy{str_with_len_N};/2048_stddev 4.41 ns 4.41 ns 4 -std::string copy{str_with_len_N};/2048_cv 5.28 % 5.28 % 4 -std::string copy{str_with_len_N};/4096_mean 126 ns 126 ns 4 -std::string copy{str_with_len_N};/4096_median 126 ns 126 ns 4 -std::string copy{str_with_len_N};/4096_stddev 2.21 ns 2.21 ns 4 -std::string copy{str_with_len_N};/4096_cv 1.75 % 1.75 % 4 -stringa copy{str_with_len_N};/15_mean 2.57 ns 2.57 ns 4 -stringa copy{str_with_len_N};/15_median 2.55 ns 2.55 ns 4 -stringa copy{str_with_len_N};/15_stddev 0.056 ns 0.056 ns 4 -stringa copy{str_with_len_N};/15_cv 2.19 % 2.19 % 4 -stringa copy{str_with_len_N};/16_mean 4.88 ns 4.88 ns 4 -stringa copy{str_with_len_N};/16_median 4.88 ns 4.88 ns 4 -stringa copy{str_with_len_N};/16_stddev 0.131 ns 0.131 ns 4 -stringa copy{str_with_len_N};/16_cv 2.68 % 2.68 % 4 -stringa copy{str_with_len_N};/23_mean 4.85 ns 4.85 ns 4 -stringa copy{str_with_len_N};/23_median 4.82 ns 4.82 ns 4 -stringa copy{str_with_len_N};/23_stddev 0.130 ns 0.130 ns 4 -stringa copy{str_with_len_N};/23_cv 2.69 % 2.69 % 4 -stringa copy{str_with_len_N};/24_mean 4.88 ns 4.88 ns 4 -stringa copy{str_with_len_N};/24_median 4.90 ns 4.90 ns 4 -stringa copy{str_with_len_N};/24_stddev 0.083 ns 0.083 ns 4 -stringa copy{str_with_len_N};/24_cv 1.70 % 1.70 % 4 -stringa copy{str_with_len_N};/32_mean 4.97 ns 4.97 ns 4 -stringa copy{str_with_len_N};/32_median 4.97 ns 4.97 ns 4 -stringa copy{str_with_len_N};/32_stddev 0.060 ns 0.060 ns 4 -stringa copy{str_with_len_N};/32_cv 1.20 % 1.20 % 4 -stringa copy{str_with_len_N};/64_mean 4.98 ns 4.98 ns 4 -stringa copy{str_with_len_N};/64_median 4.97 ns 4.97 ns 4 -stringa copy{str_with_len_N};/64_stddev 0.051 ns 0.051 ns 4 -stringa copy{str_with_len_N};/64_cv 1.02 % 1.02 % 4 -stringa copy{str_with_len_N};/128_mean 4.88 ns 4.88 ns 4 -stringa copy{str_with_len_N};/128_median 4.89 ns 4.89 ns 4 -stringa copy{str_with_len_N};/128_stddev 0.094 ns 0.094 ns 4 -stringa copy{str_with_len_N};/128_cv 1.93 % 1.93 % 4 -stringa copy{str_with_len_N};/256_mean 4.84 ns 4.84 ns 4 -stringa copy{str_with_len_N};/256_median 4.85 ns 4.85 ns 4 -stringa copy{str_with_len_N};/256_stddev 0.054 ns 0.054 ns 4 -stringa copy{str_with_len_N};/256_cv 1.11 % 1.11 % 4 -stringa copy{str_with_len_N};/512_mean 4.82 ns 4.82 ns 4 -stringa copy{str_with_len_N};/512_median 4.82 ns 4.82 ns 4 -stringa copy{str_with_len_N};/512_stddev 0.069 ns 0.069 ns 4 -stringa copy{str_with_len_N};/512_cv 1.44 % 1.44 % 4 -stringa copy{str_with_len_N};/1024_mean 4.85 ns 4.85 ns 4 -stringa copy{str_with_len_N};/1024_median 4.86 ns 4.86 ns 4 -stringa copy{str_with_len_N};/1024_stddev 0.078 ns 0.078 ns 4 -stringa copy{str_with_len_N};/1024_cv 1.60 % 1.60 % 4 -stringa copy{str_with_len_N};/2048_mean 4.85 ns 4.85 ns 4 -stringa copy{str_with_len_N};/2048_median 4.84 ns 4.84 ns 4 -stringa copy{str_with_len_N};/2048_stddev 0.071 ns 0.071 ns 4 -stringa copy{str_with_len_N};/2048_cv 1.47 % 1.47 % 4 -stringa copy{str_with_len_N};/4096_mean 4.80 ns 4.80 ns 4 -stringa copy{str_with_len_N};/4096_median 4.79 ns 4.79 ns 4 -stringa copy{str_with_len_N};/4096_stddev 0.059 ns 0.059 ns 4 -stringa copy{str_with_len_N};/4096_cv 1.23 % 1.23 % 4 -lstringa<16> copy{str_with_len_N};/15_mean 14.3 ns 14.3 ns 4 -lstringa<16> copy{str_with_len_N};/15_median 14.1 ns 14.1 ns 4 -lstringa<16> copy{str_with_len_N};/15_stddev 0.543 ns 0.543 ns 4 -lstringa<16> copy{str_with_len_N};/15_cv 3.80 % 3.80 % 4 -lstringa<16> copy{str_with_len_N};/16_mean 14.7 ns 14.7 ns 4 -lstringa<16> copy{str_with_len_N};/16_median 14.7 ns 14.7 ns 4 -lstringa<16> copy{str_with_len_N};/16_stddev 0.980 ns 0.980 ns 4 -lstringa<16> copy{str_with_len_N};/16_cv 6.66 % 6.66 % 4 -lstringa<16> copy{str_with_len_N};/23_mean 29.7 ns 29.7 ns 4 -lstringa<16> copy{str_with_len_N};/23_median 29.2 ns 29.2 ns 4 -lstringa<16> copy{str_with_len_N};/23_stddev 1.70 ns 1.70 ns 4 -lstringa<16> copy{str_with_len_N};/23_cv 5.71 % 5.71 % 4 -lstringa<16> copy{str_with_len_N};/24_mean 29.6 ns 29.6 ns 4 -lstringa<16> copy{str_with_len_N};/24_median 29.6 ns 29.6 ns 4 -lstringa<16> copy{str_with_len_N};/24_stddev 1.16 ns 1.16 ns 4 -lstringa<16> copy{str_with_len_N};/24_cv 3.92 % 3.92 % 4 -lstringa<16> copy{str_with_len_N};/32_mean 32.2 ns 32.2 ns 4 -lstringa<16> copy{str_with_len_N};/32_median 32.0 ns 32.0 ns 4 -lstringa<16> copy{str_with_len_N};/32_stddev 1.53 ns 1.53 ns 4 -lstringa<16> copy{str_with_len_N};/32_cv 4.76 % 4.76 % 4 -lstringa<16> copy{str_with_len_N};/64_mean 34.5 ns 34.5 ns 4 -lstringa<16> copy{str_with_len_N};/64_median 33.1 ns 33.1 ns 4 -lstringa<16> copy{str_with_len_N};/64_stddev 3.54 ns 3.54 ns 4 -lstringa<16> copy{str_with_len_N};/64_cv 10.28 % 10.28 % 4 -lstringa<16> copy{str_with_len_N};/128_mean 34.3 ns 34.3 ns 4 -lstringa<16> copy{str_with_len_N};/128_median 33.6 ns 33.6 ns 4 -lstringa<16> copy{str_with_len_N};/128_stddev 3.05 ns 3.05 ns 4 -lstringa<16> copy{str_with_len_N};/128_cv 8.90 % 8.90 % 4 -lstringa<16> copy{str_with_len_N};/256_mean 48.1 ns 48.1 ns 4 -lstringa<16> copy{str_with_len_N};/256_median 45.6 ns 45.6 ns 4 -lstringa<16> copy{str_with_len_N};/256_stddev 10.0 ns 10.0 ns 4 -lstringa<16> copy{str_with_len_N};/256_cv 20.88 % 20.88 % 4 -lstringa<16> copy{str_with_len_N};/512_mean 47.2 ns 47.2 ns 4 -lstringa<16> copy{str_with_len_N};/512_median 47.9 ns 47.9 ns 4 -lstringa<16> copy{str_with_len_N};/512_stddev 2.80 ns 2.80 ns 4 -lstringa<16> copy{str_with_len_N};/512_cv 5.94 % 5.94 % 4 -lstringa<16> copy{str_with_len_N};/1024_mean 53.7 ns 53.7 ns 4 -lstringa<16> copy{str_with_len_N};/1024_median 53.9 ns 53.9 ns 4 -lstringa<16> copy{str_with_len_N};/1024_stddev 2.38 ns 2.38 ns 4 -lstringa<16> copy{str_with_len_N};/1024_cv 4.42 % 4.42 % 4 -lstringa<16> copy{str_with_len_N};/2048_mean 79.5 ns 79.5 ns 4 -lstringa<16> copy{str_with_len_N};/2048_median 81.1 ns 81.1 ns 4 -lstringa<16> copy{str_with_len_N};/2048_stddev 4.94 ns 4.94 ns 4 -lstringa<16> copy{str_with_len_N};/2048_cv 6.22 % 6.22 % 4 -lstringa<16> copy{str_with_len_N};/4096_mean 123 ns 123 ns 4 -lstringa<16> copy{str_with_len_N};/4096_median 124 ns 124 ns 4 -lstringa<16> copy{str_with_len_N};/4096_stddev 6.50 ns 6.50 ns 4 -lstringa<16> copy{str_with_len_N};/4096_cv 5.30 % 5.30 % 4 -lstringa<512> copy{str_with_len_N};/15_mean 14.8 ns 14.8 ns 4 -lstringa<512> copy{str_with_len_N};/15_median 14.7 ns 14.7 ns 4 -lstringa<512> copy{str_with_len_N};/15_stddev 0.742 ns 0.742 ns 4 -lstringa<512> copy{str_with_len_N};/15_cv 5.01 % 5.01 % 4 -lstringa<512> copy{str_with_len_N};/16_mean 15.7 ns 15.7 ns 4 -lstringa<512> copy{str_with_len_N};/16_median 15.7 ns 15.7 ns 4 -lstringa<512> copy{str_with_len_N};/16_stddev 0.708 ns 0.708 ns 4 -lstringa<512> copy{str_with_len_N};/16_cv 4.51 % 4.51 % 4 -lstringa<512> copy{str_with_len_N};/23_mean 15.3 ns 15.3 ns 4 -lstringa<512> copy{str_with_len_N};/23_median 15.0 ns 15.0 ns 4 -lstringa<512> copy{str_with_len_N};/23_stddev 0.749 ns 0.749 ns 4 -lstringa<512> copy{str_with_len_N};/23_cv 4.91 % 4.91 % 4 -lstringa<512> copy{str_with_len_N};/24_mean 15.2 ns 15.2 ns 4 -lstringa<512> copy{str_with_len_N};/24_median 15.3 ns 15.3 ns 4 -lstringa<512> copy{str_with_len_N};/24_stddev 1.15 ns 1.15 ns 4 -lstringa<512> copy{str_with_len_N};/24_cv 7.54 % 7.54 % 4 -lstringa<512> copy{str_with_len_N};/32_mean 18.3 ns 18.3 ns 4 -lstringa<512> copy{str_with_len_N};/32_median 18.5 ns 18.5 ns 4 -lstringa<512> copy{str_with_len_N};/32_stddev 0.581 ns 0.566 ns 4 -lstringa<512> copy{str_with_len_N};/32_cv 3.17 % 3.09 % 4 -lstringa<512> copy{str_with_len_N};/64_mean 18.2 ns 18.2 ns 4 -lstringa<512> copy{str_with_len_N};/64_median 17.7 ns 17.7 ns 4 -lstringa<512> copy{str_with_len_N};/64_stddev 1.53 ns 1.53 ns 4 -lstringa<512> copy{str_with_len_N};/64_cv 8.39 % 8.39 % 4 -lstringa<512> copy{str_with_len_N};/128_mean 19.2 ns 19.2 ns 4 -lstringa<512> copy{str_with_len_N};/128_median 18.5 ns 18.5 ns 4 -lstringa<512> copy{str_with_len_N};/128_stddev 1.98 ns 1.97 ns 4 -lstringa<512> copy{str_with_len_N};/128_cv 10.30 % 10.26 % 4 -lstringa<512> copy{str_with_len_N};/256_mean 19.6 ns 19.6 ns 4 -lstringa<512> copy{str_with_len_N};/256_median 19.8 ns 19.8 ns 4 -lstringa<512> copy{str_with_len_N};/256_stddev 0.928 ns 0.928 ns 4 -lstringa<512> copy{str_with_len_N};/256_cv 4.74 % 4.74 % 4 -lstringa<512> copy{str_with_len_N};/512_mean 22.9 ns 22.9 ns 4 -lstringa<512> copy{str_with_len_N};/512_median 23.1 ns 23.1 ns 4 -lstringa<512> copy{str_with_len_N};/512_stddev 1.17 ns 1.17 ns 4 -lstringa<512> copy{str_with_len_N};/512_cv 5.12 % 5.12 % 4 -lstringa<512> copy{str_with_len_N};/1024_mean 57.1 ns 57.1 ns 4 -lstringa<512> copy{str_with_len_N};/1024_median 56.8 ns 56.8 ns 4 -lstringa<512> copy{str_with_len_N};/1024_stddev 3.27 ns 3.27 ns 4 -lstringa<512> copy{str_with_len_N};/1024_cv 5.73 % 5.73 % 4 -lstringa<512> copy{str_with_len_N};/2048_mean 79.9 ns 79.9 ns 4 -lstringa<512> copy{str_with_len_N};/2048_median 80.3 ns 80.3 ns 4 -lstringa<512> copy{str_with_len_N};/2048_stddev 4.01 ns 4.01 ns 4 -lstringa<512> copy{str_with_len_N};/2048_cv 5.02 % 5.02 % 4 -lstringa<512> copy{str_with_len_N};/4096_mean 123 ns 123 ns 4 -lstringa<512> copy{str_with_len_N};/4096_median 124 ns 124 ns 4 -lstringa<512> copy{str_with_len_N};/4096_stddev 4.11 ns 4.11 ns 4 -lstringa<512> copy{str_with_len_N};/4096_cv 3.34 % 3.34 % 4 +std::string copy{str_with_len_N};/15_mean 38.2 ns 38.2 ns 4 +std::string copy{str_with_len_N};/15_median 38.0 ns 38.0 ns 4 +std::string copy{str_with_len_N};/15_stddev 1.61 ns 1.61 ns 4 +std::string copy{str_with_len_N};/15_cv 4.23 % 4.23 % 4 +std::string copy{str_with_len_N};/16_mean 36.1 ns 36.1 ns 4 +std::string copy{str_with_len_N};/16_median 36.0 ns 36.0 ns 4 +std::string copy{str_with_len_N};/16_stddev 0.461 ns 0.461 ns 4 +std::string copy{str_with_len_N};/16_cv 1.28 % 1.28 % 4 +std::string copy{str_with_len_N};/23_mean 36.6 ns 36.6 ns 4 +std::string copy{str_with_len_N};/23_median 36.1 ns 36.1 ns 4 +std::string copy{str_with_len_N};/23_stddev 1.53 ns 1.53 ns 4 +std::string copy{str_with_len_N};/23_cv 4.18 % 4.18 % 4 +std::string copy{str_with_len_N};/24_mean 37.7 ns 37.7 ns 4 +std::string copy{str_with_len_N};/24_median 36.9 ns 36.9 ns 4 +std::string copy{str_with_len_N};/24_stddev 2.37 ns 2.37 ns 4 +std::string copy{str_with_len_N};/24_cv 6.27 % 6.27 % 4 +std::string copy{str_with_len_N};/32_mean 45.9 ns 45.9 ns 4 +std::string copy{str_with_len_N};/32_median 39.2 ns 39.2 ns 4 +std::string copy{str_with_len_N};/32_stddev 14.4 ns 14.4 ns 4 +std::string copy{str_with_len_N};/32_cv 31.41 % 31.41 % 4 +std::string copy{str_with_len_N};/64_mean 44.9 ns 44.9 ns 4 +std::string copy{str_with_len_N};/64_median 41.3 ns 41.3 ns 4 +std::string copy{str_with_len_N};/64_stddev 8.96 ns 8.96 ns 4 +std::string copy{str_with_len_N};/64_cv 19.94 % 19.94 % 4 +std::string copy{str_with_len_N};/128_mean 44.1 ns 44.1 ns 4 +std::string copy{str_with_len_N};/128_median 41.2 ns 41.2 ns 4 +std::string copy{str_with_len_N};/128_stddev 7.30 ns 7.30 ns 4 +std::string copy{str_with_len_N};/128_cv 16.54 % 16.54 % 4 +std::string copy{str_with_len_N};/256_mean 54.8 ns 54.8 ns 4 +std::string copy{str_with_len_N};/256_median 52.8 ns 52.8 ns 4 +std::string copy{str_with_len_N};/256_stddev 11.7 ns 11.7 ns 4 +std::string copy{str_with_len_N};/256_cv 21.36 % 21.36 % 4 +std::string copy{str_with_len_N};/512_mean 53.5 ns 53.5 ns 4 +std::string copy{str_with_len_N};/512_median 49.5 ns 49.5 ns 4 +std::string copy{str_with_len_N};/512_stddev 10.2 ns 10.2 ns 4 +std::string copy{str_with_len_N};/512_cv 18.99 % 18.99 % 4 +std::string copy{str_with_len_N};/1024_mean 62.2 ns 62.2 ns 4 +std::string copy{str_with_len_N};/1024_median 59.3 ns 59.3 ns 4 +std::string copy{str_with_len_N};/1024_stddev 7.42 ns 7.42 ns 4 +std::string copy{str_with_len_N};/1024_cv 11.94 % 11.94 % 4 +std::string copy{str_with_len_N};/2048_mean 88.4 ns 88.4 ns 4 +std::string copy{str_with_len_N};/2048_median 87.3 ns 87.3 ns 4 +std::string copy{str_with_len_N};/2048_stddev 5.17 ns 5.17 ns 4 +std::string copy{str_with_len_N};/2048_cv 5.85 % 5.85 % 4 +std::string copy{str_with_len_N};/4096_mean 154 ns 154 ns 4 +std::string copy{str_with_len_N};/4096_median 152 ns 152 ns 4 +std::string copy{str_with_len_N};/4096_stddev 13.5 ns 13.5 ns 4 +std::string copy{str_with_len_N};/4096_cv 8.80 % 8.80 % 4 +stringa copy{str_with_len_N};/15_mean 2.70 ns 2.70 ns 4 +stringa copy{str_with_len_N};/15_median 2.72 ns 2.72 ns 4 +stringa copy{str_with_len_N};/15_stddev 0.110 ns 0.110 ns 4 +stringa copy{str_with_len_N};/15_cv 4.07 % 4.07 % 4 +stringa copy{str_with_len_N};/16_mean 5.04 ns 5.04 ns 4 +stringa copy{str_with_len_N};/16_median 5.04 ns 5.04 ns 4 +stringa copy{str_with_len_N};/16_stddev 0.234 ns 0.234 ns 4 +stringa copy{str_with_len_N};/16_cv 4.64 % 4.64 % 4 +stringa copy{str_with_len_N};/23_mean 4.81 ns 4.81 ns 4 +stringa copy{str_with_len_N};/23_median 4.80 ns 4.80 ns 4 +stringa copy{str_with_len_N};/23_stddev 0.084 ns 0.084 ns 4 +stringa copy{str_with_len_N};/23_cv 1.74 % 1.74 % 4 +stringa copy{str_with_len_N};/24_mean 4.82 ns 4.82 ns 4 +stringa copy{str_with_len_N};/24_median 4.79 ns 4.79 ns 4 +stringa copy{str_with_len_N};/24_stddev 0.102 ns 0.102 ns 4 +stringa copy{str_with_len_N};/24_cv 2.12 % 2.12 % 4 +stringa copy{str_with_len_N};/32_mean 4.76 ns 4.76 ns 4 +stringa copy{str_with_len_N};/32_median 4.76 ns 4.76 ns 4 +stringa copy{str_with_len_N};/32_stddev 0.037 ns 0.037 ns 4 +stringa copy{str_with_len_N};/32_cv 0.78 % 0.78 % 4 +stringa copy{str_with_len_N};/64_mean 4.79 ns 4.79 ns 4 +stringa copy{str_with_len_N};/64_median 4.81 ns 4.81 ns 4 +stringa copy{str_with_len_N};/64_stddev 0.076 ns 0.076 ns 4 +stringa copy{str_with_len_N};/64_cv 1.58 % 1.58 % 4 +stringa copy{str_with_len_N};/128_mean 4.98 ns 4.98 ns 4 +stringa copy{str_with_len_N};/128_median 4.88 ns 4.88 ns 4 +stringa copy{str_with_len_N};/128_stddev 0.352 ns 0.352 ns 4 +stringa copy{str_with_len_N};/128_cv 7.07 % 7.07 % 4 +stringa copy{str_with_len_N};/256_mean 4.87 ns 4.87 ns 4 +stringa copy{str_with_len_N};/256_median 4.88 ns 4.88 ns 4 +stringa copy{str_with_len_N};/256_stddev 0.145 ns 0.145 ns 4 +stringa copy{str_with_len_N};/256_cv 2.99 % 2.99 % 4 +stringa copy{str_with_len_N};/512_mean 4.79 ns 4.79 ns 4 +stringa copy{str_with_len_N};/512_median 4.79 ns 4.79 ns 4 +stringa copy{str_with_len_N};/512_stddev 0.077 ns 0.077 ns 4 +stringa copy{str_with_len_N};/512_cv 1.61 % 1.61 % 4 +stringa copy{str_with_len_N};/1024_mean 4.81 ns 4.81 ns 4 +stringa copy{str_with_len_N};/1024_median 4.80 ns 4.80 ns 4 +stringa copy{str_with_len_N};/1024_stddev 0.071 ns 0.071 ns 4 +stringa copy{str_with_len_N};/1024_cv 1.48 % 1.48 % 4 +stringa copy{str_with_len_N};/2048_mean 4.84 ns 4.84 ns 4 +stringa copy{str_with_len_N};/2048_median 4.80 ns 4.80 ns 4 +stringa copy{str_with_len_N};/2048_stddev 0.086 ns 0.086 ns 4 +stringa copy{str_with_len_N};/2048_cv 1.79 % 1.79 % 4 +stringa copy{str_with_len_N};/4096_mean 4.86 ns 4.86 ns 4 +stringa copy{str_with_len_N};/4096_median 4.84 ns 4.84 ns 4 +stringa copy{str_with_len_N};/4096_stddev 0.121 ns 0.121 ns 4 +stringa copy{str_with_len_N};/4096_cv 2.49 % 2.49 % 4 +lstringa<16> copy{str_with_len_N};/15_mean 14.4 ns 14.4 ns 4 +lstringa<16> copy{str_with_len_N};/15_median 14.5 ns 14.5 ns 4 +lstringa<16> copy{str_with_len_N};/15_stddev 0.478 ns 0.478 ns 4 +lstringa<16> copy{str_with_len_N};/15_cv 3.33 % 3.33 % 4 +lstringa<16> copy{str_with_len_N};/16_mean 14.5 ns 14.5 ns 4 +lstringa<16> copy{str_with_len_N};/16_median 14.6 ns 14.6 ns 4 +lstringa<16> copy{str_with_len_N};/16_stddev 0.844 ns 0.844 ns 4 +lstringa<16> copy{str_with_len_N};/16_cv 5.80 % 5.80 % 4 +lstringa<16> copy{str_with_len_N};/23_mean 29.6 ns 29.6 ns 4 +lstringa<16> copy{str_with_len_N};/23_median 29.6 ns 29.6 ns 4 +lstringa<16> copy{str_with_len_N};/23_stddev 0.999 ns 0.999 ns 4 +lstringa<16> copy{str_with_len_N};/23_cv 3.38 % 3.38 % 4 +lstringa<16> copy{str_with_len_N};/24_mean 32.4 ns 32.4 ns 4 +lstringa<16> copy{str_with_len_N};/24_median 31.7 ns 31.7 ns 4 +lstringa<16> copy{str_with_len_N};/24_stddev 3.40 ns 3.40 ns 4 +lstringa<16> copy{str_with_len_N};/24_cv 10.52 % 10.52 % 4 +lstringa<16> copy{str_with_len_N};/32_mean 42.4 ns 42.4 ns 4 +lstringa<16> copy{str_with_len_N};/32_median 34.0 ns 34.0 ns 4 +lstringa<16> copy{str_with_len_N};/32_stddev 17.1 ns 17.1 ns 4 +lstringa<16> copy{str_with_len_N};/32_cv 40.39 % 40.39 % 4 +lstringa<16> copy{str_with_len_N};/64_mean 37.6 ns 37.6 ns 4 +lstringa<16> copy{str_with_len_N};/64_median 32.7 ns 32.7 ns 4 +lstringa<16> copy{str_with_len_N};/64_stddev 11.4 ns 11.4 ns 4 +lstringa<16> copy{str_with_len_N};/64_cv 30.43 % 30.43 % 4 +lstringa<16> copy{str_with_len_N};/128_mean 38.7 ns 38.7 ns 4 +lstringa<16> copy{str_with_len_N};/128_median 34.0 ns 34.0 ns 4 +lstringa<16> copy{str_with_len_N};/128_stddev 10.3 ns 10.3 ns 4 +lstringa<16> copy{str_with_len_N};/128_cv 26.74 % 26.74 % 4 +lstringa<16> copy{str_with_len_N};/256_mean 51.0 ns 51.0 ns 4 +lstringa<16> copy{str_with_len_N};/256_median 50.1 ns 50.1 ns 4 +lstringa<16> copy{str_with_len_N};/256_stddev 8.31 ns 8.31 ns 4 +lstringa<16> copy{str_with_len_N};/256_cv 16.29 % 16.29 % 4 +lstringa<16> copy{str_with_len_N};/512_mean 47.3 ns 47.3 ns 4 +lstringa<16> copy{str_with_len_N};/512_median 46.7 ns 46.7 ns 4 +lstringa<16> copy{str_with_len_N};/512_stddev 1.54 ns 1.54 ns 4 +lstringa<16> copy{str_with_len_N};/512_cv 3.26 % 3.26 % 4 +lstringa<16> copy{str_with_len_N};/1024_mean 56.8 ns 56.8 ns 4 +lstringa<16> copy{str_with_len_N};/1024_median 56.7 ns 56.7 ns 4 +lstringa<16> copy{str_with_len_N};/1024_stddev 3.84 ns 3.84 ns 4 +lstringa<16> copy{str_with_len_N};/1024_cv 6.77 % 6.77 % 4 +lstringa<16> copy{str_with_len_N};/2048_mean 83.2 ns 83.2 ns 4 +lstringa<16> copy{str_with_len_N};/2048_median 84.9 ns 84.9 ns 4 +lstringa<16> copy{str_with_len_N};/2048_stddev 5.93 ns 5.93 ns 4 +lstringa<16> copy{str_with_len_N};/2048_cv 7.12 % 7.12 % 4 +lstringa<16> copy{str_with_len_N};/4096_mean 141 ns 141 ns 4 +lstringa<16> copy{str_with_len_N};/4096_median 139 ns 139 ns 4 +lstringa<16> copy{str_with_len_N};/4096_stddev 11.7 ns 11.7 ns 4 +lstringa<16> copy{str_with_len_N};/4096_cv 8.33 % 8.33 % 4 +lstringa<512> copy{str_with_len_N};/15_mean 14.5 ns 14.5 ns 4 +lstringa<512> copy{str_with_len_N};/15_median 14.4 ns 14.4 ns 4 +lstringa<512> copy{str_with_len_N};/15_stddev 0.745 ns 0.745 ns 4 +lstringa<512> copy{str_with_len_N};/15_cv 5.13 % 5.13 % 4 +lstringa<512> copy{str_with_len_N};/16_mean 15.1 ns 15.1 ns 4 +lstringa<512> copy{str_with_len_N};/16_median 15.0 ns 15.0 ns 4 +lstringa<512> copy{str_with_len_N};/16_stddev 0.805 ns 0.805 ns 4 +lstringa<512> copy{str_with_len_N};/16_cv 5.34 % 5.34 % 4 +lstringa<512> copy{str_with_len_N};/23_mean 14.7 ns 14.7 ns 4 +lstringa<512> copy{str_with_len_N};/23_median 14.9 ns 14.9 ns 4 +lstringa<512> copy{str_with_len_N};/23_stddev 0.706 ns 0.706 ns 4 +lstringa<512> copy{str_with_len_N};/23_cv 4.80 % 4.80 % 4 +lstringa<512> copy{str_with_len_N};/24_mean 14.9 ns 14.9 ns 4 +lstringa<512> copy{str_with_len_N};/24_median 14.6 ns 14.6 ns 4 +lstringa<512> copy{str_with_len_N};/24_stddev 0.713 ns 0.713 ns 4 +lstringa<512> copy{str_with_len_N};/24_cv 4.78 % 4.78 % 4 +lstringa<512> copy{str_with_len_N};/32_mean 17.9 ns 17.9 ns 4 +lstringa<512> copy{str_with_len_N};/32_median 17.8 ns 17.8 ns 4 +lstringa<512> copy{str_with_len_N};/32_stddev 0.517 ns 0.517 ns 4 +lstringa<512> copy{str_with_len_N};/32_cv 2.89 % 2.89 % 4 +lstringa<512> copy{str_with_len_N};/64_mean 17.4 ns 17.4 ns 4 +lstringa<512> copy{str_with_len_N};/64_median 17.5 ns 17.5 ns 4 +lstringa<512> copy{str_with_len_N};/64_stddev 0.443 ns 0.443 ns 4 +lstringa<512> copy{str_with_len_N};/64_cv 2.55 % 2.55 % 4 +lstringa<512> copy{str_with_len_N};/128_mean 17.9 ns 17.9 ns 4 +lstringa<512> copy{str_with_len_N};/128_median 17.9 ns 17.9 ns 4 +lstringa<512> copy{str_with_len_N};/128_stddev 0.604 ns 0.604 ns 4 +lstringa<512> copy{str_with_len_N};/128_cv 3.38 % 3.38 % 4 +lstringa<512> copy{str_with_len_N};/256_mean 19.7 ns 19.7 ns 4 +lstringa<512> copy{str_with_len_N};/256_median 19.6 ns 19.6 ns 4 +lstringa<512> copy{str_with_len_N};/256_stddev 0.937 ns 0.937 ns 4 +lstringa<512> copy{str_with_len_N};/256_cv 4.75 % 4.75 % 4 +lstringa<512> copy{str_with_len_N};/512_mean 22.2 ns 22.2 ns 4 +lstringa<512> copy{str_with_len_N};/512_median 22.2 ns 22.2 ns 4 +lstringa<512> copy{str_with_len_N};/512_stddev 1.02 ns 1.02 ns 4 +lstringa<512> copy{str_with_len_N};/512_cv 4.57 % 4.57 % 4 +lstringa<512> copy{str_with_len_N};/1024_mean 55.1 ns 55.1 ns 4 +lstringa<512> copy{str_with_len_N};/1024_median 55.6 ns 55.6 ns 4 +lstringa<512> copy{str_with_len_N};/1024_stddev 2.95 ns 2.95 ns 4 +lstringa<512> copy{str_with_len_N};/1024_cv 5.37 % 5.37 % 4 +lstringa<512> copy{str_with_len_N};/2048_mean 80.3 ns 80.3 ns 4 +lstringa<512> copy{str_with_len_N};/2048_median 82.0 ns 82.0 ns 4 +lstringa<512> copy{str_with_len_N};/2048_stddev 6.81 ns 6.81 ns 4 +lstringa<512> copy{str_with_len_N};/2048_cv 8.48 % 8.48 % 4 +lstringa<512> copy{str_with_len_N};/4096_mean 149 ns 149 ns 4 +lstringa<512> copy{str_with_len_N};/4096_median 145 ns 145 ns 4 +lstringa<512> copy{str_with_len_N};/4096_stddev 9.43 ns 9.43 ns 4 +lstringa<512> copy{str_with_len_N};/4096_cv 6.31 % 6.31 % 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 71.7 ns 71.7 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 71.9 ns 71.9 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 1.71 ns 1.71 ns 4 -std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 2.39 % 2.39 % 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 27.1 ns 27.1 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 27.1 ns 27.1 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.311 ns 0.311 ns 4 -std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 1.15 % 1.15 % 4 -stringa s = "123456789"; int res = s.to_int_mean 18.7 ns 18.7 ns 4 -stringa s = "123456789"; int res = s.to_int_median 18.7 ns 18.7 ns 4 -stringa s = "123456789"; int res = s.to_int_stddev 0.374 ns 0.374 ns 4 -stringa s = "123456789"; int res = s.to_int_cv 2.00 % 2.00 % 4 -ssa s = "123456789"; int res = s.to_int_mean 17.0 ns 17.0 ns 4 -ssa s = "123456789"; int res = s.to_int_median 16.7 ns 16.7 ns 4 -ssa s = "123456789"; int res = s.to_int_stddev 0.591 ns 0.591 ns 4 -ssa s = "123456789"; int res = s.to_int_cv 3.48 % 3.48 % 4 -lstringa<20> s = "123456789"; int res = s.to_int_mean 16.9 ns 16.9 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_median 16.7 ns 16.7 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.529 ns 0.529 ns 4 -lstringa<20> s = "123456789"; int res = s.to_int_cv 3.14 % 3.14 % 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_mean 73.7 ns 73.7 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_median 72.6 ns 72.6 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_stddev 4.60 ns 4.60 ns 4 +std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);_cv 6.24 % 6.24 % 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_mean 27.8 ns 27.8 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_median 27.8 ns 27.8 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_stddev 0.753 ns 0.753 ns 4 +std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);_cv 2.71 % 2.71 % 4 +stringa s = "123456789"; int res = s.to_int_mean 19.1 ns 19.1 ns 4 +stringa s = "123456789"; int res = s.to_int_median 19.1 ns 19.1 ns 4 +stringa s = "123456789"; int res = s.to_int_stddev 0.501 ns 0.501 ns 4 +stringa s = "123456789"; int res = s.to_int_cv 2.62 % 2.62 % 4 +ssa s = "123456789"; int res = s.to_int_mean 17.1 ns 17.1 ns 4 +ssa s = "123456789"; int res = s.to_int_median 17.0 ns 17.0 ns 4 +ssa s = "123456789"; int res = s.to_int_stddev 0.341 ns 0.341 ns 4 +ssa s = "123456789"; int res = s.to_int_cv 2.00 % 2.00 % 4 +lstringa<20> s = "123456789"; int res = s.to_int_mean 17.3 ns 17.3 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_median 17.2 ns 17.2 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_stddev 0.983 ns 0.983 ns 4 +lstringa<20> s = "123456789"; int res = s.to_int_cv 5.67 % 5.67 % 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 54.3 ns 54.3 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 54.5 ns 54.5 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.768 ns 0.768 ns 4 -std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.42 % 1.42 % 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 28.7 ns 28.7 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 28.7 ns 28.7 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.768 ns 0.768 ns 4 -std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 2.68 % 2.68 % 4 -stringa s = "abcDef"; int res = s.to_int_mean 17.7 ns 17.7 ns 4 -stringa s = "abcDef"; int res = s.to_int_median 17.7 ns 17.7 ns 4 -stringa s = "abcDef"; int res = s.to_int_stddev 0.613 ns 0.613 ns 4 -stringa s = "abcDef"; int res = s.to_int_cv 3.46 % 3.46 % 4 -ssa s = "abcDef"; int res = s.to_int_mean 16.0 ns 16.0 ns 4 -ssa s = "abcDef"; int res = s.to_int_median 16.0 ns 16.0 ns 4 -ssa s = "abcDef"; int res = s.to_int_stddev 0.157 ns 0.157 ns 4 -ssa s = "abcDef"; int res = s.to_int_cv 0.98 % 0.98 % 4 -lstringa<20> s = "abcDef"; int res = s.to_int_mean 16.0 ns 16.0 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_median 15.9 ns 15.9 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.261 ns 0.261 ns 4 -lstringa<20> s = "abcDef"; int res = s.to_int_cv 1.63 % 1.63 % 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_mean 55.0 ns 55.0 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_median 54.7 ns 54.7 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_stddev 0.926 ns 0.926 ns 4 +std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);_cv 1.68 % 1.68 % 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_mean 28.2 ns 28.2 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_median 28.4 ns 28.4 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_stddev 0.328 ns 0.328 ns 4 +std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);_cv 1.16 % 1.16 % 4 +stringa s = "abcDef"; int res = s.to_int_mean 17.4 ns 17.4 ns 4 +stringa s = "abcDef"; int res = s.to_int_median 17.5 ns 17.5 ns 4 +stringa s = "abcDef"; int res = s.to_int_stddev 0.384 ns 0.384 ns 4 +stringa s = "abcDef"; int res = s.to_int_cv 2.21 % 2.21 % 4 +ssa s = "abcDef"; int res = s.to_int_mean 16.3 ns 16.3 ns 4 +ssa s = "abcDef"; int res = s.to_int_median 16.2 ns 16.2 ns 4 +ssa s = "abcDef"; int res = s.to_int_stddev 0.273 ns 0.273 ns 4 +ssa s = "abcDef"; int res = s.to_int_cv 1.67 % 1.67 % 4 +lstringa<20> s = "abcDef"; int res = s.to_int_mean 16.5 ns 16.5 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_median 16.5 ns 16.5 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_stddev 0.239 ns 0.239 ns 4 +lstringa<20> s = "abcDef"; int res = s.to_int_cv 1.45 % 1.45 % 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 81.3 ns 81.3 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 79.5 ns 79.5 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 6.70 ns 6.70 ns 4 -std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 8.24 % 8.24 % 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 24.5 ns 24.5 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 24.6 ns 24.6 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 1.10 ns 1.10 ns 4 -stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 4.51 % 4.51 % 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 23.2 ns 23.2 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 22.6 ns 22.6 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 1.13 ns 1.13 ns 4 -ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 4.88 % 4.88 % 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_mean 78.2 ns 78.2 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_median 78.6 ns 78.6 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_stddev 0.938 ns 0.938 ns 4 +std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);_cv 1.20 % 1.20 % 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_mean 23.2 ns 23.2 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_median 23.4 ns 23.4 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_stddev 0.320 ns 0.320 ns 4 +stringa s = " 123456789"; int res = s.to_int; // Check overflow_cv 1.38 % 1.38 % 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_mean 23.4 ns 23.4 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_median 23.1 ns 23.1 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_stddev 1.53 ns 1.53 ns 4 +ssa s = " 123456789"; int res = s.to_int; // No check overflow_cv 6.55 % 6.55 % 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 197 ns 197 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 194 ns 194 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 9.55 ns 9.55 ns 4 -std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 4.85 % 4.85 % 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 107 ns 107 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 107 ns 107 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.93 ns 1.93 ns 4 -std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.81 % 1.81 % 4 -ssa s = "1234.567e10"; double res = *s.to_double()_mean 42.3 ns 42.3 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_median 42.0 ns 42.0 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.944 ns 0.944 ns 4 -ssa s = "1234.567e10"; double res = *s.to_double()_cv 2.23 % 2.23 % 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_mean 210 ns 210 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_median 207 ns 207 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_stddev 22.0 ns 22.0 ns 4 +std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);_cv 10.50 % 10.50 % 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_mean 113 ns 113 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_median 113 ns 113 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_stddev 1.64 ns 1.64 ns 4 +std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);_cv 1.45 % 1.45 % 4 +ssa s = "1234.567e10"; double res = *s.to_double()_mean 43.5 ns 43.5 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_median 43.8 ns 43.8 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_stddev 0.685 ns 0.685 ns 4 +ssa s = "1234.567e10"; double res = *s.to_double()_cv 1.57 % 1.57 % 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 4356 ns 4356 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_median 4372 ns 4372 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 80.7 ns 80.7 ns 4 -std::stringstream str; ... str << "abbaabbaabbaabba";_cv 1.85 % 1.85 % 4 -std::string str; ... str += "abbaabbaabbaabba";_mean 595 ns 595 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_median 598 ns 598 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_stddev 8.25 ns 8.25 ns 4 -std::string str; ... str += "abbaabbaabbaabba";_cv 1.39 % 1.39 % 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 741 ns 741 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_median 743 ns 743 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 12.1 ns 12.1 ns 4 -lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 1.64 % 1.64 % 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 571 ns 571 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_median 568 ns 568 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 10.6 ns 10.6 ns 4 -lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 1.86 % 1.86 % 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 464 ns 464 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_median 463 ns 463 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 13.8 ns 13.8 ns 4 -lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 2.98 % 2.98 % 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 396 ns 396 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 397 ns 397 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 4.18 ns 4.18 ns 4 -lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.06 % 1.06 % 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_mean 4444 ns 4444 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_median 4419 ns 4419 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_stddev 191 ns 191 ns 4 +std::stringstream str; ... str << "abbaabbaabbaabba";_cv 4.29 % 4.29 % 4 +std::string str; ... str += "abbaabbaabbaabba";_mean 625 ns 625 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_median 620 ns 620 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_stddev 19.6 ns 19.6 ns 4 +std::string str; ... str += "abbaabbaabbaabba";_cv 3.14 % 3.14 % 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_mean 758 ns 758 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_median 756 ns 756 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_stddev 23.6 ns 23.6 ns 4 +lstringa<8> str; ... str += "abbaabbaabbaabba";_cv 3.12 % 3.12 % 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_mean 584 ns 584 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_median 573 ns 573 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_stddev 25.3 ns 25.3 ns 4 +lstringa<128> str; ... str += "abbaabbaabbaabba";_cv 4.34 % 4.34 % 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_mean 458 ns 458 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_median 457 ns 457 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_stddev 5.21 ns 5.21 ns 4 +lstringa<512> str; ... str += "abbaabbaabbaabba";_cv 1.14 % 1.14 % 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_mean 416 ns 416 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_median 415 ns 415 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_stddev 4.32 ns 4.32 ns 4 +lstringa<1024> str; ... str += "abbaabbaabbaabba";_cv 1.04 % 1.04 % 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 4443 ns 4443 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4455 ns 4455 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 98.6 ns 98.6 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 2.22 % 2.22 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 1968 ns 1968 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1969 ns 1969 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 54.7 ns 54.7 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 2.78 % 2.78 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 921 ns 921 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 934 ns 934 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 43.3 ns 43.3 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 4.70 % 4.70 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 694 ns 694 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 671 ns 671 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 80.4 ns 80.4 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 11.59 % 11.59 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 656 ns 656 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 651 ns 651 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 78.9 ns 78.9 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 12.04 % 12.04 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 543 ns 543 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 541 ns 541 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 33.4 ns 33.4 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.16 % 6.16 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_mean 4444 ns 4444 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_median 4428 ns 4428 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_stddev 187 ns 187 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba";_cv 4.21 % 4.21 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_mean 2032 ns 2032 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_median 1972 ns 1972 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_stddev 141 ns 141 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba";_cv 6.92 % 6.92 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_mean 874 ns 874 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_median 852 ns 852 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_stddev 53.5 ns 53.5 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.12 % 6.12 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_mean 729 ns 729 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_median 724 ns 724 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_stddev 28.1 ns 28.3 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.86 % 3.88 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_mean 588 ns 588 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_median 585 ns 585 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_stddev 37.9 ns 37.9 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";_cv 6.45 % 6.45 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_mean 580 ns 580 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_median 588 ns 588 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_stddev 21.2 ns 21.2 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";_cv 3.65 % 3.65 % 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 223755 ns 223755 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 224389 ns 224389 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 3498 ns 3498 ns 4 -std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 1.56 % 1.56 % 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 106717 ns 106717 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 106313 ns 106313 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 3516 ns 3516 ns 4 -std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.29 % 3.29 % 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 40706 ns 40706 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 40797 ns 40797 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1694 ns 1694 ns 4 -lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 4.16 % 4.16 % 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 39893 ns 39893 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 40571 ns 40571 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 2253 ns 2253 ns 4 -lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 5.65 % 5.65 % 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 39281 ns 39281 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 39334 ns 39334 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1299 ns 1299 ns 4 -lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.31 % 3.31 % 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 39556 ns 39556 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 39444 ns 39444 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 682 ns 682 ns 4 -lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.72 % 1.72 % 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_mean 223603 ns 223603 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_median 224782 ns 224782 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_stddev 8148 ns 8148 ns 4 +std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times_cv 3.64 % 3.64 % 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 116339 ns 116339 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 114468 ns 114468 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 8652 ns 8652 ns 4 +std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.44 % 7.44 % 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 44372 ns 44372 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 43357 ns 43357 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 3541 ns 3541 ns 4 +lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 7.98 % 7.98 % 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 40049 ns 40049 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 38346 ns 38346 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 4007 ns 4007 ns 4 +lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 10.00 % 10.00 % 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 37513 ns 37513 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 37253 ns 37253 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 546 ns 546 ns 4 +lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 1.46 % 1.46 % 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_mean 38281 ns 38281 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_median 38390 ns 38390 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_stddev 1330 ns 1330 ns 4 +lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times_cv 3.47 % 3.47 % 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 4753 ns 4753 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_median 4650 ns 4650 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_stddev 325 ns 325 ns 4 -std::stringstream str; ... str << str_var1 << str_var2;_cv 6.83 % 6.83 % 4 -std::string str; ... str += str_var1 + str_var2;_mean 2557 ns 2557 ns 4 -std::string str; ... str += str_var1 + str_var2;_median 2555 ns 2555 ns 4 -std::string str; ... str += str_var1 + str_var2;_stddev 64.5 ns 64.5 ns 4 -std::string str; ... str += str_var1 + str_var2;_cv 2.52 % 2.52 % 4 -lstringa<16> str; ... str += str_var1 + str_var2;_mean 1248 ns 1248 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_median 1211 ns 1211 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_stddev 173 ns 173 ns 4 -lstringa<16> str; ... str += str_var1 + str_var2;_cv 13.85 % 13.85 % 4 -lstringa<128> str; ... str += str_var1 + str_var2;_mean 1085 ns 1085 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_median 1074 ns 1074 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_stddev 35.5 ns 35.5 ns 4 -lstringa<128> str; ... str += str_var1 + str_var2;_cv 3.27 % 3.27 % 4 -lstringa<512> str; ... str += str_var1 + str_var2;_mean 934 ns 934 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_median 920 ns 920 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_stddev 75.8 ns 75.8 ns 4 -lstringa<512> str; ... str += str_var1 + str_var2;_cv 8.12 % 8.12 % 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_mean 850 ns 850 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_median 835 ns 835 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 37.4 ns 37.4 ns 4 -lstringa<1024> str; ... str += str_var1 + str_var2;_cv 4.40 % 4.40 % 4 +std::stringstream str; ... str << str_var1 << str_var2;_mean 4573 ns 4573 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_median 4561 ns 4561 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_stddev 108 ns 108 ns 4 +std::stringstream str; ... str << str_var1 << str_var2;_cv 2.36 % 2.36 % 4 +std::string str; ... str += str_var1 + str_var2;_mean 2452 ns 2452 ns 4 +std::string str; ... str += str_var1 + str_var2;_median 2436 ns 2436 ns 4 +std::string str; ... str += str_var1 + str_var2;_stddev 44.7 ns 44.7 ns 4 +std::string str; ... str += str_var1 + str_var2;_cv 1.82 % 1.82 % 4 +lstringa<16> str; ... str += str_var1 + str_var2;_mean 1196 ns 1196 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_median 1183 ns 1183 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_stddev 61.7 ns 61.7 ns 4 +lstringa<16> str; ... str += str_var1 + str_var2;_cv 5.15 % 5.15 % 4 +lstringa<128> str; ... str += str_var1 + str_var2;_mean 1120 ns 1120 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_median 1103 ns 1103 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_stddev 63.3 ns 63.3 ns 4 +lstringa<128> str; ... str += str_var1 + str_var2;_cv 5.65 % 5.65 % 4 +lstringa<512> str; ... str += str_var1 + str_var2;_mean 973 ns 973 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_median 963 ns 963 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_stddev 50.7 ns 50.7 ns 4 +lstringa<512> str; ... str += str_var1 + str_var2;_cv 5.22 % 5.22 % 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_mean 874 ns 874 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_median 881 ns 881 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_stddev 41.1 ns 41.0 ns 4 +lstringa<1024> str; ... str += str_var1 + str_var2;_cv 4.70 % 4.68 % 4 -- Append text, number, text --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::stringstream str; str << "test = " << k << " times";_mean 6507 ns 6507 ns 4 -std::stringstream str; str << "test = " << k << " times";_median 6556 ns 6556 ns 4 -std::stringstream str; str << "test = " << k << " times";_stddev 189 ns 189 ns 4 -std::stringstream str; str << "test = " << k << " times";_cv 2.90 % 2.90 % 4 -std::string str = "test = " + std::to_string(k) + " times";_mean 1696 ns 1696 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_median 1668 ns 1668 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_stddev 116 ns 116 ns 4 -std::string str = "test = " + std::to_string(k) + " times";_cv 6.81 % 6.81 % 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2885 ns 2885 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2885 ns 2885 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 38.2 ns 38.2 ns 4 -char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 1.32 % 1.32 % 4 -std::string str = std::format("test = {} times", k);_mean 2102 ns 2102 ns 4 -std::string str = std::format("test = {} times", k);_median 2077 ns 2077 ns 4 -std::string str = std::format("test = {} times", k);_stddev 89.9 ns 89.9 ns 4 -std::string str = std::format("test = {} times", k);_cv 4.28 % 4.28 % 4 -lstringa<8> str; str.format("test = {} times", k);_mean 3013 ns 3013 ns 4 -lstringa<8> str; str.format("test = {} times", k);_median 3015 ns 3015 ns 4 -lstringa<8> str; str.format("test = {} times", k);_stddev 44.0 ns 44.0 ns 4 -lstringa<8> str; str.format("test = {} times", k);_cv 1.46 % 1.46 % 4 -lstringa<32> str; str.format("test = {} times", k);_mean 2433 ns 2433 ns 4 -lstringa<32> str; str.format("test = {} times", k);_median 2438 ns 2438 ns 4 -lstringa<32> str; str.format("test = {} times", k);_stddev 56.8 ns 56.8 ns 4 -lstringa<32> str; str.format("test = {} times", k);_cv 2.33 % 2.33 % 4 -lstringa<8> str = "test = " + k + " times";_mean 641 ns 641 ns 4 -lstringa<8> str = "test = " + k + " times";_median 647 ns 647 ns 4 -lstringa<8> str = "test = " + k + " times";_stddev 44.8 ns 44.8 ns 4 -lstringa<8> str = "test = " + k + " times";_cv 7.00 % 7.00 % 4 -lstringa<32> str = "test = " + k + " times";_mean 374 ns 374 ns 4 -lstringa<32> str = "test = " + k + " times";_median 384 ns 384 ns 4 -lstringa<32> str = "test = " + k + " times";_stddev 31.6 ns 31.6 ns 4 -lstringa<32> str = "test = " + k + " times";_cv 8.45 % 8.45 % 4 -stringa str = "test = " + k + " times";_mean 561 ns 561 ns 4 -stringa str = "test = " + k + " times";_median 559 ns 559 ns 4 -stringa str = "test = " + k + " times";_stddev 9.54 ns 9.54 ns 4 -stringa str = "test = " + k + " times";_cv 1.70 % 1.70 % 4 +std::stringstream str; str << "test = " << k << " times";_mean 6730 ns 6730 ns 4 +std::stringstream str; str << "test = " << k << " times";_median 6645 ns 6645 ns 4 +std::stringstream str; str << "test = " << k << " times";_stddev 206 ns 206 ns 4 +std::stringstream str; str << "test = " << k << " times";_cv 3.06 % 3.06 % 4 +std::string str = "test = " + std::to_string(k) + " times";_mean 1657 ns 1657 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_median 1642 ns 1642 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_stddev 70.2 ns 70.2 ns 4 +std::string str = "test = " + std::to_string(k) + " times";_cv 4.24 % 4.24 % 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_mean 2931 ns 2931 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_median 2898 ns 2898 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_stddev 99.0 ns 99.0 ns 4 +char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;_cv 3.38 % 3.38 % 4 +std::string str = std::format("test = {} times", k);_mean 2192 ns 2192 ns 4 +std::string str = std::format("test = {} times", k);_median 2189 ns 2189 ns 4 +std::string str = std::format("test = {} times", k);_stddev 167 ns 167 ns 4 +std::string str = std::format("test = {} times", k);_cv 7.63 % 7.63 % 4 +lstringa<8> str; str.format("test = {} times", k);_mean 3127 ns 3127 ns 4 +lstringa<8> str; str.format("test = {} times", k);_median 3175 ns 3175 ns 4 +lstringa<8> str; str.format("test = {} times", k);_stddev 135 ns 135 ns 4 +lstringa<8> str; str.format("test = {} times", k);_cv 4.33 % 4.33 % 4 +lstringa<32> str; str.format("test = {} times", k);_mean 2459 ns 2459 ns 4 +lstringa<32> str; str.format("test = {} times", k);_median 2454 ns 2454 ns 4 +lstringa<32> str; str.format("test = {} times", k);_stddev 20.9 ns 20.9 ns 4 +lstringa<32> str; str.format("test = {} times", k);_cv 0.85 % 0.85 % 4 +lstringa<8> str = "test = " + k + " times";_mean 593 ns 593 ns 4 +lstringa<8> str = "test = " + k + " times";_median 596 ns 596 ns 4 +lstringa<8> str = "test = " + k + " times";_stddev 18.6 ns 18.6 ns 4 +lstringa<8> str = "test = " + k + " times";_cv 3.14 % 3.14 % 4 +lstringa<32> str = "test = " + k + " times";_mean 379 ns 379 ns 4 +lstringa<32> str = "test = " + k + " times";_median 388 ns 388 ns 4 +lstringa<32> str = "test = " + k + " times";_stddev 35.6 ns 35.6 ns 4 +lstringa<32> str = "test = " + k + " times";_cv 9.39 % 9.39 % 4 +stringa str = "test = " + k + " times";_mean 564 ns 564 ns 4 +stringa str = "test = " + k + " times";_median 564 ns 565 ns 4 +stringa str = "test = " + k + " times";_stddev 32.8 ns 32.6 ns 4 +stringa str = "test = " + k + " times";_cv 5.82 % 5.79 % 4 -- Split text and convert to int --/repeats:1 0.000 ns 0.000 ns 1000000000000 -std::string::find + substr + std::strtol_mean 643 ns 643 ns 4 -std::string::find + substr + std::strtol_median 639 ns 639 ns 4 -std::string::find + substr + std::strtol_stddev 15.4 ns 15.4 ns 4 -std::string::find + substr + std::strtol_cv 2.39 % 2.39 % 4 -ssa::splitter + ssa::as_int_mean 278 ns 278 ns 4 -ssa::splitter + ssa::as_int_median 278 ns 278 ns 4 -ssa::splitter + ssa::as_int_stddev 4.84 ns 4.84 ns 4 -ssa::splitter + ssa::as_int_cv 1.74 % 1.74 % 4 -ssa::splitf + functor_mean 337 ns 337 ns 4 -ssa::splitf + functor_median 336 ns 336 ns 4 -ssa::splitf + functor_stddev 21.0 ns 21.0 ns 4 -ssa::splitf + functor_cv 6.23 % 6.23 % 4 +std::string::find + substr + std::strtol_mean 614 ns 614 ns 4 +std::string::find + substr + std::strtol_median 608 ns 608 ns 4 +std::string::find + substr + std::strtol_stddev 19.5 ns 19.5 ns 4 +std::string::find + substr + std::strtol_cv 3.19 % 3.19 % 4 +ssa::splitter + ssa::as_int_mean 274 ns 274 ns 4 +ssa::splitter + ssa::as_int_median 273 ns 273 ns 4 +ssa::splitter + ssa::as_int_stddev 5.42 ns 5.42 ns 4 +ssa::splitter + ssa::as_int_cv 1.98 % 1.98 % 4 +ssa::splitf + functor_mean 321 ns 321 ns 4 +ssa::splitf + functor_median 321 ns 321 ns 4 +ssa::splitf + functor_stddev 3.28 ns 3.28 ns 4 +ssa::splitf + functor_cv 1.02 % 1.02 % 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 3545 ns 3545 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_median 3430 ns 3430 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_stddev 366 ns 366 ns 4 -Naive (and wrong) replace symbols with std::string find + replace_cv 10.33 % 10.33 % 4 -replace symbols with std::string find_first_of + replace_mean 4741 ns 4741 ns 4 -replace symbols with std::string find_first_of + replace_median 4711 ns 4711 ns 4 -replace symbols with std::string find_first_of + replace_stddev 140 ns 140 ns 4 -replace symbols with std::string find_first_of + replace_cv 2.96 % 2.96 % 4 -replace symbols with std::string_view find_first_of + copy_mean 3504 ns 3504 ns 4 -replace symbols with std::string_view find_first_of + copy_median 3441 ns 3441 ns 4 -replace symbols with std::string_view find_first_of + copy_stddev 200 ns 200 ns 4 -replace symbols with std::string_view find_first_of + copy_cv 5.72 % 5.72 % 4 -replace runtime symbols with string expressions and without remembering all search results_mean 3605 ns 3605 ns 4 -replace runtime symbols with string expressions and without remembering all search results_median 3614 ns 3614 ns 4 -replace runtime symbols with string expressions and without remembering all search results_stddev 171 ns 171 ns 4 -replace runtime symbols with string expressions and without remembering all search results_cv 4.76 % 4.76 % 4 -replace runtime symbols with simstr and memorization of all search results_mean 3154 ns 3154 ns 4 -replace runtime symbols with simstr and memorization of all search results_median 3170 ns 3170 ns 4 -replace runtime symbols with simstr and memorization of all search results_stddev 73.9 ns 73.9 ns 4 -replace runtime symbols with simstr and memorization of all search results_cv 2.34 % 2.34 % 4 -replace const symbols with string expressions and without remembering all search results_mean 2939 ns 2939 ns 4 -replace const symbols with string expressions and without remembering all search results_median 2894 ns 2894 ns 4 -replace const symbols with string expressions and without remembering all search results_stddev 125 ns 125 ns 4 -replace const symbols with string expressions and without remembering all search results_cv 4.25 % 4.25 % 4 -replace const symbols with string expressions and memorization of all search results_mean 2859 ns 2859 ns 4 -replace const symbols with string expressions and memorization of all search results_median 2870 ns 2870 ns 4 -replace const symbols with string expressions and memorization of all search results_stddev 77.1 ns 77.1 ns 4 -replace const symbols with string expressions and memorization of all search results_cv 2.69 % 2.69 % 4 +Naive (and wrong) replace symbols with std::string find + replace_mean 3397 ns 3397 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_median 3406 ns 3406 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_stddev 78.7 ns 78.7 ns 4 +Naive (and wrong) replace symbols with std::string find + replace_cv 2.32 % 2.32 % 4 +replace symbols with std::string find_first_of + replace_mean 4970 ns 4970 ns 4 +replace symbols with std::string find_first_of + replace_median 4871 ns 4871 ns 4 +replace symbols with std::string find_first_of + replace_stddev 275 ns 275 ns 4 +replace symbols with std::string find_first_of + replace_cv 5.53 % 5.53 % 4 +replace symbols with std::string_view find_first_of + copy_mean 3462 ns 3462 ns 4 +replace symbols with std::string_view find_first_of + copy_median 3433 ns 3433 ns 4 +replace symbols with std::string_view find_first_of + copy_stddev 147 ns 147 ns 4 +replace symbols with std::string_view find_first_of + copy_cv 4.26 % 4.26 % 4 +replace runtime symbols with string expressions and without remembering all search results_mean 3591 ns 3591 ns 4 +replace runtime symbols with string expressions and without remembering all search results_median 3582 ns 3582 ns 4 +replace runtime symbols with string expressions and without remembering all search results_stddev 54.1 ns 54.1 ns 4 +replace runtime symbols with string expressions and without remembering all search results_cv 1.51 % 1.51 % 4 +replace runtime symbols with simstr and memorization of all search results_mean 3097 ns 3097 ns 4 +replace runtime symbols with simstr and memorization of all search results_median 3136 ns 3136 ns 4 +replace runtime symbols with simstr and memorization of all search results_stddev 120 ns 120 ns 4 +replace runtime symbols with simstr and memorization of all search results_cv 3.87 % 3.87 % 4 +replace const symbols with string expressions and without remembering all search results_mean 2949 ns 2949 ns 4 +replace const symbols with string expressions and without remembering all search results_median 2944 ns 2944 ns 4 +replace const symbols with string expressions and without remembering all search results_stddev 71.2 ns 71.2 ns 4 +replace const symbols with string expressions and without remembering all search results_cv 2.41 % 2.41 % 4 +replace const symbols with string expressions and memorization of all search results_mean 2889 ns 2889 ns 4 +replace const symbols with string expressions and memorization of all search results_median 2892 ns 2892 ns 4 +replace const symbols with string expressions and memorization of all search results_stddev 82.5 ns 82.5 ns 4 +replace const symbols with string expressions and memorization of all search results_cv 2.85 % 2.85 % 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 436 ns 436 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_median 433 ns 433 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_stddev 15.4 ns 15.4 ns 4 -Short Naive (and wrong) replace symbols with std::string find + replace_cv 3.53 % 3.53 % 4 -Short replace symbols with std::string find_first_of + replace_mean 510 ns 510 ns 4 -Short replace symbols with std::string find_first_of + replace_median 516 ns 516 ns 4 -Short replace symbols with std::string find_first_of + replace_stddev 14.7 ns 14.7 ns 4 -Short replace symbols with std::string find_first_of + replace_cv 2.89 % 2.89 % 4 -Short replace symbols with std::string_view find_first_of + copy_mean 440 ns 440 ns 4 -Short replace symbols with std::string_view find_first_of + copy_median 428 ns 428 ns 4 -Short replace symbols with std::string_view find_first_of + copy_stddev 58.6 ns 58.6 ns 4 -Short replace symbols with std::string_view find_first_of + copy_cv 13.30 % 13.30 % 4 -Short replace runtime symbols with string expressions and without remembering all search results_mean 386 ns 386 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_median 384 ns 384 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_stddev 9.16 ns 9.16 ns 4 -Short replace runtime symbols with string expressions and without remembering all search results_cv 2.37 % 2.37 % 4 -Short replace runtime symbols with simstr and memorization of all search results_mean 420 ns 420 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_median 423 ns 423 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_stddev 19.6 ns 19.6 ns 4 -Short replace runtime symbols with simstr and memorization of all search results_cv 4.66 % 4.66 % 4 -Short replace const symbols with string expressions and without remembering all search results_mean 260 ns 260 ns 4 -Short replace const symbols with string expressions and without remembering all search results_median 257 ns 257 ns 4 -Short replace const symbols with string expressions and without remembering all search results_stddev 17.1 ns 17.0 ns 4 -Short replace const symbols with string expressions and without remembering all search results_cv 6.56 % 6.54 % 4 +Short Naive (and wrong) replace symbols with std::string find + replace_mean 431 ns 431 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_median 430 ns 430 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_stddev 11.1 ns 11.1 ns 4 +Short Naive (and wrong) replace symbols with std::string find + replace_cv 2.58 % 2.58 % 4 +Short replace symbols with std::string find_first_of + replace_mean 499 ns 499 ns 4 +Short replace symbols with std::string find_first_of + replace_median 489 ns 489 ns 4 +Short replace symbols with std::string find_first_of + replace_stddev 34.7 ns 34.7 ns 4 +Short replace symbols with std::string find_first_of + replace_cv 6.94 % 6.94 % 4 +Short replace symbols with std::string_view find_first_of + copy_mean 410 ns 410 ns 4 +Short replace symbols with std::string_view find_first_of + copy_median 407 ns 407 ns 4 +Short replace symbols with std::string_view find_first_of + copy_stddev 14.3 ns 14.3 ns 4 +Short replace symbols with std::string_view find_first_of + copy_cv 3.50 % 3.50 % 4 +Short replace runtime symbols with string expressions and without remembering all search results_mean 371 ns 371 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_median 370 ns 370 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_stddev 24.3 ns 24.3 ns 4 +Short replace runtime symbols with string expressions and without remembering all search results_cv 6.54 % 6.54 % 4 +Short replace runtime symbols with simstr and memorization of all search results_mean 416 ns 416 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_median 415 ns 415 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_stddev 19.3 ns 19.3 ns 4 +Short replace runtime symbols with simstr and memorization of all search results_cv 4.65 % 4.65 % 4 +Short replace const symbols with string expressions and without remembering all search results_mean 253 ns 253 ns 4 +Short replace const symbols with string expressions and without remembering all search results_median 252 ns 252 ns 4 +Short replace const symbols with string expressions and without remembering all search results_stddev 8.08 ns 8.08 ns 4 +Short replace const symbols with string expressions and without remembering all search results_cv 3.19 % 3.19 % 4 Short replace const symbols with string expressions and memorization of all search results_mean 313 ns 313 ns 4 -Short replace const symbols with string expressions and memorization of all search results_median 314 ns 314 ns 4 -Short replace const symbols with string expressions and memorization of all search results_stddev 14.3 ns 14.3 ns 4 -Short replace const symbols with string expressions and memorization of all search results_cv 4.57 % 4.57 % 4 +Short replace const symbols with string expressions and memorization of all search results_median 315 ns 315 ns 4 +Short replace const symbols with string expressions and memorization of all search results_stddev 3.46 ns 3.46 ns 4 +Short replace const symbols with string expressions and memorization of all search results_cv 1.10 % 1.10 % 4 ----- Replace All Str To Longer Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to ---- in std::string|64_mean 377 ns 377 ns 4 -replace bb to ---- in std::string|64_median 371 ns 371 ns 4 -replace bb to ---- in std::string|64_stddev 19.8 ns 19.8 ns 4 -replace bb to ---- in std::string|64_cv 5.25 % 5.25 % 4 -replace bb to ---- in std::string|256_mean 1421 ns 1421 ns 4 -replace bb to ---- in std::string|256_median 1420 ns 1420 ns 4 -replace bb to ---- in std::string|256_stddev 20.1 ns 20.1 ns 4 -replace bb to ---- in std::string|256_cv 1.41 % 1.41 % 4 -replace bb to ---- in std::string|512_mean 2623 ns 2623 ns 4 -replace bb to ---- in std::string|512_median 2613 ns 2613 ns 4 -replace bb to ---- in std::string|512_stddev 61.2 ns 61.2 ns 4 -replace bb to ---- in std::string|512_cv 2.33 % 2.33 % 4 -replace bb to ---- in std::string|1024_mean 5482 ns 5482 ns 4 -replace bb to ---- in std::string|1024_median 5450 ns 5450 ns 4 -replace bb to ---- in std::string|1024_stddev 212 ns 212 ns 4 -replace bb to ---- in std::string|1024_cv 3.86 % 3.86 % 4 -replace bb to ---- in std::string|2048_mean 13478 ns 13478 ns 4 -replace bb to ---- in std::string|2048_median 13589 ns 13589 ns 4 -replace bb to ---- in std::string|2048_stddev 460 ns 460 ns 4 -replace bb to ---- in std::string|2048_cv 3.42 % 3.42 % 4 -replace bb to ---- in lstringa<8>|64_mean 311 ns 311 ns 4 -replace bb to ---- in lstringa<8>|64_median 311 ns 311 ns 4 -replace bb to ---- in lstringa<8>|64_stddev 3.83 ns 3.83 ns 4 -replace bb to ---- in lstringa<8>|64_cv 1.23 % 1.23 % 4 +replace bb to ---- in std::string|64_mean 378 ns 378 ns 4 +replace bb to ---- in std::string|64_median 372 ns 372 ns 4 +replace bb to ---- in std::string|64_stddev 19.9 ns 19.9 ns 4 +replace bb to ---- in std::string|64_cv 5.28 % 5.28 % 4 +replace bb to ---- in std::string|256_mean 1351 ns 1351 ns 4 +replace bb to ---- in std::string|256_median 1367 ns 1367 ns 4 +replace bb to ---- in std::string|256_stddev 54.5 ns 54.5 ns 4 +replace bb to ---- in std::string|256_cv 4.04 % 4.04 % 4 +replace bb to ---- in std::string|512_mean 2782 ns 2782 ns 4 +replace bb to ---- in std::string|512_median 2754 ns 2754 ns 4 +replace bb to ---- in std::string|512_stddev 84.9 ns 84.9 ns 4 +replace bb to ---- in std::string|512_cv 3.05 % 3.05 % 4 +replace bb to ---- in std::string|1024_mean 5546 ns 5546 ns 4 +replace bb to ---- in std::string|1024_median 5554 ns 5554 ns 4 +replace bb to ---- in std::string|1024_stddev 167 ns 167 ns 4 +replace bb to ---- in std::string|1024_cv 3.01 % 3.01 % 4 +replace bb to ---- in std::string|2048_mean 12567 ns 12567 ns 4 +replace bb to ---- in std::string|2048_median 12541 ns 12541 ns 4 +replace bb to ---- in std::string|2048_stddev 251 ns 251 ns 4 +replace bb to ---- in std::string|2048_cv 2.00 % 2.00 % 4 +replace bb to ---- in lstringa<8>|64_mean 304 ns 304 ns 4 +replace bb to ---- in lstringa<8>|64_median 301 ns 301 ns 4 +replace bb to ---- in lstringa<8>|64_stddev 11.2 ns 11.2 ns 4 +replace bb to ---- in lstringa<8>|64_cv 3.67 % 3.67 % 4 replace bb to ---- in lstringa<8>|256_mean 1149 ns 1149 ns 4 -replace bb to ---- in lstringa<8>|256_median 1140 ns 1140 ns 4 -replace bb to ---- in lstringa<8>|256_stddev 116 ns 115 ns 4 -replace bb to ---- in lstringa<8>|256_cv 10.06 % 10.03 % 4 -replace bb to ---- in lstringa<8>|512_mean 2165 ns 2165 ns 4 -replace bb to ---- in lstringa<8>|512_median 2136 ns 2136 ns 4 -replace bb to ---- in lstringa<8>|512_stddev 90.9 ns 90.9 ns 4 -replace bb to ---- in lstringa<8>|512_cv 4.20 % 4.20 % 4 -replace bb to ---- in lstringa<8>|1024_mean 3868 ns 3868 ns 4 -replace bb to ---- in lstringa<8>|1024_median 3870 ns 3870 ns 4 -replace bb to ---- in lstringa<8>|1024_stddev 88.0 ns 88.0 ns 4 -replace bb to ---- in lstringa<8>|1024_cv 2.28 % 2.28 % 4 -replace bb to ---- in lstringa<8>|2048_mean 7737 ns 7737 ns 4 -replace bb to ---- in lstringa<8>|2048_median 7562 ns 7562 ns 4 -replace bb to ---- in lstringa<8>|2048_stddev 699 ns 699 ns 4 -replace bb to ---- in lstringa<8>|2048_cv 9.03 % 9.03 % 4 -replace bb to ---- by init stringa|64_mean 226 ns 226 ns 4 -replace bb to ---- by init stringa|64_median 226 ns 226 ns 4 -replace bb to ---- by init stringa|64_stddev 7.57 ns 7.57 ns 4 -replace bb to ---- by init stringa|64_cv 3.35 % 3.35 % 4 -replace bb to ---- by init stringa|256_mean 790 ns 790 ns 4 -replace bb to ---- by init stringa|256_median 776 ns 776 ns 4 -replace bb to ---- by init stringa|256_stddev 50.7 ns 50.7 ns 4 -replace bb to ---- by init stringa|256_cv 6.41 % 6.41 % 4 -replace bb to ---- by init stringa|512_mean 1685 ns 1685 ns 4 -replace bb to ---- by init stringa|512_median 1675 ns 1675 ns 4 -replace bb to ---- by init stringa|512_stddev 54.3 ns 54.3 ns 4 -replace bb to ---- by init stringa|512_cv 3.22 % 3.22 % 4 -replace bb to ---- by init stringa|1024_mean 3603 ns 3603 ns 4 -replace bb to ---- by init stringa|1024_median 3555 ns 3555 ns 4 -replace bb to ---- by init stringa|1024_stddev 122 ns 122 ns 4 -replace bb to ---- by init stringa|1024_cv 3.39 % 3.39 % 4 -replace bb to ---- by init stringa|2048_mean 7600 ns 7600 ns 4 -replace bb to ---- by init stringa|2048_median 7529 ns 7529 ns 4 -replace bb to ---- by init stringa|2048_stddev 240 ns 240 ns 4 -replace bb to ---- by init stringa|2048_cv 3.16 % 3.16 % 4 +replace bb to ---- in lstringa<8>|256_median 1145 ns 1145 ns 4 +replace bb to ---- in lstringa<8>|256_stddev 55.2 ns 55.2 ns 4 +replace bb to ---- in lstringa<8>|256_cv 4.80 % 4.80 % 4 +replace bb to ---- in lstringa<8>|512_mean 2114 ns 2114 ns 4 +replace bb to ---- in lstringa<8>|512_median 2094 ns 2094 ns 4 +replace bb to ---- in lstringa<8>|512_stddev 81.2 ns 81.2 ns 4 +replace bb to ---- in lstringa<8>|512_cv 3.84 % 3.84 % 4 +replace bb to ---- in lstringa<8>|1024_mean 4209 ns 4209 ns 4 +replace bb to ---- in lstringa<8>|1024_median 4173 ns 4173 ns 4 +replace bb to ---- in lstringa<8>|1024_stddev 161 ns 161 ns 4 +replace bb to ---- in lstringa<8>|1024_cv 3.82 % 3.82 % 4 +replace bb to ---- in lstringa<8>|2048_mean 7794 ns 7794 ns 4 +replace bb to ---- in lstringa<8>|2048_median 7791 ns 7791 ns 4 +replace bb to ---- in lstringa<8>|2048_stddev 364 ns 364 ns 4 +replace bb to ---- in lstringa<8>|2048_cv 4.67 % 4.67 % 4 +replace bb to ---- by init stringa|64_mean 216 ns 216 ns 4 +replace bb to ---- by init stringa|64_median 212 ns 212 ns 4 +replace bb to ---- by init stringa|64_stddev 14.6 ns 14.6 ns 4 +replace bb to ---- by init stringa|64_cv 6.75 % 6.75 % 4 +replace bb to ---- by init stringa|256_mean 741 ns 741 ns 4 +replace bb to ---- by init stringa|256_median 738 ns 738 ns 4 +replace bb to ---- by init stringa|256_stddev 12.5 ns 12.5 ns 4 +replace bb to ---- by init stringa|256_cv 1.68 % 1.68 % 4 +replace bb to ---- by init stringa|512_mean 1659 ns 1659 ns 4 +replace bb to ---- by init stringa|512_median 1663 ns 1663 ns 4 +replace bb to ---- by init stringa|512_stddev 24.8 ns 24.8 ns 4 +replace bb to ---- by init stringa|512_cv 1.49 % 1.49 % 4 +replace bb to ---- by init stringa|1024_mean 3573 ns 3573 ns 4 +replace bb to ---- by init stringa|1024_median 3570 ns 3570 ns 4 +replace bb to ---- by init stringa|1024_stddev 75.8 ns 75.8 ns 4 +replace bb to ---- by init stringa|1024_cv 2.12 % 2.12 % 4 +replace bb to ---- by init stringa|2048_mean 7063 ns 7063 ns 4 +replace bb to ---- by init stringa|2048_median 7002 ns 7002 ns 4 +replace bb to ---- by init stringa|2048_stddev 142 ns 142 ns 4 +replace bb to ---- by init stringa|2048_cv 2.01 % 2.01 % 4 ----- Replace All Str To Same Size ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -replace bb to -- in std::string|64_mean 268 ns 268 ns 4 -replace bb to -- in std::string|64_median 259 ns 259 ns 4 -replace bb to -- in std::string|64_stddev 21.3 ns 21.3 ns 4 -replace bb to -- in std::string|64_cv 7.93 % 7.93 % 4 -replace bb to -- in std::string|256_mean 987 ns 987 ns 4 -replace bb to -- in std::string|256_median 989 ns 989 ns 4 -replace bb to -- in std::string|256_stddev 36.6 ns 36.6 ns 4 -replace bb to -- in std::string|256_cv 3.71 % 3.71 % 4 -replace bb to -- in std::string|512_mean 1942 ns 1942 ns 4 -replace bb to -- in std::string|512_median 1922 ns 1922 ns 4 -replace bb to -- in std::string|512_stddev 68.6 ns 68.6 ns 4 -replace bb to -- in std::string|512_cv 3.53 % 3.53 % 4 -replace bb to -- in std::string|1024_mean 3660 ns 3660 ns 4 -replace bb to -- in std::string|1024_median 3649 ns 3649 ns 4 -replace bb to -- in std::string|1024_stddev 96.8 ns 96.8 ns 4 -replace bb to -- in std::string|1024_cv 2.65 % 2.65 % 4 -replace bb to -- in std::string|2048_mean 7038 ns 7038 ns 4 -replace bb to -- in std::string|2048_median 6972 ns 6972 ns 4 -replace bb to -- in std::string|2048_stddev 221 ns 221 ns 4 -replace bb to -- in std::string|2048_cv 3.14 % 3.14 % 4 -replace bb to -- in lstringa<8>|64_mean 229 ns 229 ns 4 -replace bb to -- in lstringa<8>|64_median 228 ns 228 ns 4 -replace bb to -- in lstringa<8>|64_stddev 9.54 ns 9.54 ns 4 -replace bb to -- in lstringa<8>|64_cv 4.17 % 4.17 % 4 -replace bb to -- in lstringa<8>|256_mean 776 ns 776 ns 4 -replace bb to -- in lstringa<8>|256_median 771 ns 771 ns 4 -replace bb to -- in lstringa<8>|256_stddev 23.4 ns 23.4 ns 4 -replace bb to -- in lstringa<8>|256_cv 3.02 % 3.02 % 4 -replace bb to -- in lstringa<8>|512_mean 1461 ns 1461 ns 4 -replace bb to -- in lstringa<8>|512_median 1459 ns 1459 ns 4 -replace bb to -- in lstringa<8>|512_stddev 69.2 ns 69.2 ns 4 -replace bb to -- in lstringa<8>|512_cv 4.74 % 4.74 % 4 -replace bb to -- in lstringa<8>|1024_mean 2897 ns 2897 ns 4 -replace bb to -- in lstringa<8>|1024_median 2889 ns 2889 ns 4 -replace bb to -- in lstringa<8>|1024_stddev 188 ns 188 ns 4 -replace bb to -- in lstringa<8>|1024_cv 6.50 % 6.50 % 4 -replace bb to -- in lstringa<8>|2048_mean 5674 ns 5674 ns 4 -replace bb to -- in lstringa<8>|2048_median 5564 ns 5564 ns 4 -replace bb to -- in lstringa<8>|2048_stddev 453 ns 453 ns 4 -replace bb to -- in lstringa<8>|2048_cv 7.99 % 7.99 % 4 -replace bb to -- by init stringa|64_mean 187 ns 187 ns 4 -replace bb to -- by init stringa|64_median 189 ns 189 ns 4 -replace bb to -- by init stringa|64_stddev 8.53 ns 8.53 ns 4 -replace bb to -- by init stringa|64_cv 4.57 % 4.57 % 4 -replace bb to -- by init stringa|256_mean 652 ns 652 ns 4 -replace bb to -- by init stringa|256_median 655 ns 655 ns 4 -replace bb to -- by init stringa|256_stddev 8.48 ns 8.48 ns 4 -replace bb to -- by init stringa|256_cv 1.30 % 1.30 % 4 -replace bb to -- by init stringa|512_mean 1221 ns 1221 ns 4 -replace bb to -- by init stringa|512_median 1224 ns 1224 ns 4 -replace bb to -- by init stringa|512_stddev 28.7 ns 28.7 ns 4 -replace bb to -- by init stringa|512_cv 2.35 % 2.35 % 4 -replace bb to -- by init stringa|1024_mean 2366 ns 2366 ns 4 -replace bb to -- by init stringa|1024_median 2351 ns 2351 ns 4 -replace bb to -- by init stringa|1024_stddev 42.5 ns 42.5 ns 4 -replace bb to -- by init stringa|1024_cv 1.80 % 1.80 % 4 -replace bb to -- by init stringa|2048_mean 5259 ns 5259 ns 4 -replace bb to -- by init stringa|2048_median 5407 ns 5407 ns 4 -replace bb to -- by init stringa|2048_stddev 496 ns 496 ns 4 -replace bb to -- by init stringa|2048_cv 9.43 % 9.43 % 4 +replace bb to -- in std::string|64_mean 283 ns 283 ns 4 +replace bb to -- in std::string|64_median 282 ns 282 ns 4 +replace bb to -- in std::string|64_stddev 4.26 ns 4.26 ns 4 +replace bb to -- in std::string|64_cv 1.51 % 1.51 % 4 +replace bb to -- in std::string|256_mean 995 ns 995 ns 4 +replace bb to -- in std::string|256_median 1018 ns 1018 ns 4 +replace bb to -- in std::string|256_stddev 70.0 ns 70.0 ns 4 +replace bb to -- in std::string|256_cv 7.04 % 7.04 % 4 +replace bb to -- in std::string|512_mean 1844 ns 1844 ns 4 +replace bb to -- in std::string|512_median 1820 ns 1820 ns 4 +replace bb to -- in std::string|512_stddev 78.5 ns 78.5 ns 4 +replace bb to -- in std::string|512_cv 4.26 % 4.26 % 4 +replace bb to -- in std::string|1024_mean 3877 ns 3878 ns 4 +replace bb to -- in std::string|1024_median 3882 ns 3882 ns 4 +replace bb to -- in std::string|1024_stddev 278 ns 276 ns 4 +replace bb to -- in std::string|1024_cv 7.16 % 7.11 % 4 +replace bb to -- in std::string|2048_mean 7023 ns 7023 ns 4 +replace bb to -- in std::string|2048_median 6986 ns 6986 ns 4 +replace bb to -- in std::string|2048_stddev 131 ns 131 ns 4 +replace bb to -- in std::string|2048_cv 1.87 % 1.87 % 4 +replace bb to -- in lstringa<8>|64_mean 228 ns 228 ns 4 +replace bb to -- in lstringa<8>|64_median 226 ns 226 ns 4 +replace bb to -- in lstringa<8>|64_stddev 14.6 ns 14.6 ns 4 +replace bb to -- in lstringa<8>|64_cv 6.42 % 6.42 % 4 +replace bb to -- in lstringa<8>|256_mean 785 ns 785 ns 4 +replace bb to -- in lstringa<8>|256_median 786 ns 786 ns 4 +replace bb to -- in lstringa<8>|256_stddev 26.5 ns 26.5 ns 4 +replace bb to -- in lstringa<8>|256_cv 3.38 % 3.38 % 4 +replace bb to -- in lstringa<8>|512_mean 1545 ns 1545 ns 4 +replace bb to -- in lstringa<8>|512_median 1521 ns 1521 ns 4 +replace bb to -- in lstringa<8>|512_stddev 84.7 ns 84.7 ns 4 +replace bb to -- in lstringa<8>|512_cv 5.48 % 5.48 % 4 +replace bb to -- in lstringa<8>|1024_mean 2838 ns 2838 ns 4 +replace bb to -- in lstringa<8>|1024_median 2848 ns 2848 ns 4 +replace bb to -- in lstringa<8>|1024_stddev 37.8 ns 37.8 ns 4 +replace bb to -- in lstringa<8>|1024_cv 1.33 % 1.33 % 4 +replace bb to -- in lstringa<8>|2048_mean 5602 ns 5602 ns 4 +replace bb to -- in lstringa<8>|2048_median 5586 ns 5586 ns 4 +replace bb to -- in lstringa<8>|2048_stddev 337 ns 337 ns 4 +replace bb to -- in lstringa<8>|2048_cv 6.02 % 6.02 % 4 +replace bb to -- by init stringa|64_mean 175 ns 175 ns 4 +replace bb to -- by init stringa|64_median 174 ns 174 ns 4 +replace bb to -- by init stringa|64_stddev 4.71 ns 4.71 ns 4 +replace bb to -- by init stringa|64_cv 2.70 % 2.70 % 4 +replace bb to -- by init stringa|256_mean 621 ns 621 ns 4 +replace bb to -- by init stringa|256_median 607 ns 607 ns 4 +replace bb to -- by init stringa|256_stddev 43.9 ns 43.9 ns 4 +replace bb to -- by init stringa|256_cv 7.07 % 7.07 % 4 +replace bb to -- by init stringa|512_mean 1186 ns 1186 ns 4 +replace bb to -- by init stringa|512_median 1185 ns 1185 ns 4 +replace bb to -- by init stringa|512_stddev 21.7 ns 21.7 ns 4 +replace bb to -- by init stringa|512_cv 1.83 % 1.83 % 4 +replace bb to -- by init stringa|1024_mean 2237 ns 2237 ns 4 +replace bb to -- by init stringa|1024_median 2236 ns 2236 ns 4 +replace bb to -- by init stringa|1024_stddev 49.2 ns 49.2 ns 4 +replace bb to -- by init stringa|1024_cv 2.20 % 2.20 % 4 +replace bb to -- by init stringa|2048_mean 4470 ns 4470 ns 4 +replace bb to -- by init stringa|2048_median 4441 ns 4441 ns 4 +replace bb to -- by init stringa|2048_stddev 162 ns 162 ns 4 +replace bb to -- by init stringa|2048_cv 3.63 % 3.63 % 4 ----- Hash Map insert and find ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -hashStrMapA emplace & find stringa;_mean 3192661 ns 3192661 ns 4 -hashStrMapA emplace & find stringa;_median 3204128 ns 3204128 ns 4 -hashStrMapA emplace & find stringa;_stddev 65411 ns 65411 ns 4 -hashStrMapA emplace & find stringa;_cv 2.05 % 2.05 % 4 -std::unordered_map emplace & find std::string;_mean 3399083 ns 3399083 ns 4 -std::unordered_map emplace & find std::string;_median 3389908 ns 3389908 ns 4 -std::unordered_map emplace & find std::string;_stddev 52033 ns 52033 ns 4 -std::unordered_map emplace & find std::string;_cv 1.53 % 1.53 % 4 -hashStrMapA emplace & find ssa;_mean 3300905 ns 3300905 ns 4 -hashStrMapA emplace & find ssa;_median 3285068 ns 3285068 ns 4 -hashStrMapA emplace & find ssa;_stddev 66348 ns 66348 ns 4 -hashStrMapA emplace & find ssa;_cv 2.01 % 2.01 % 4 -std::unordered_map emplace & find std::string_view;_mean 3845092 ns 3845092 ns 4 -std::unordered_map emplace & find std::string_view;_median 3723926 ns 3723926 ns 4 -std::unordered_map emplace & find std::string_view;_stddev 349796 ns 349796 ns 4 -std::unordered_map emplace & find std::string_view;_cv 9.10 % 9.10 % 4 +hashStrMapA emplace & find stringa;_mean 3104626 ns 3104626 ns 4 +hashStrMapA emplace & find stringa;_median 3085903 ns 3085903 ns 4 +hashStrMapA emplace & find stringa;_stddev 54831 ns 54831 ns 4 +hashStrMapA emplace & find stringa;_cv 1.77 % 1.77 % 4 +std::unordered_map emplace & find std::string;_mean 3379032 ns 3379032 ns 4 +std::unordered_map emplace & find std::string;_median 3387097 ns 3387097 ns 4 +std::unordered_map emplace & find std::string;_stddev 39887 ns 39887 ns 4 +std::unordered_map emplace & find std::string;_cv 1.18 % 1.18 % 4 +hashStrMapA emplace & find ssa;_mean 3111588 ns 3111588 ns 4 +hashStrMapA emplace & find ssa;_median 3109442 ns 3109442 ns 4 +hashStrMapA emplace & find ssa;_stddev 33794 ns 33794 ns 4 +hashStrMapA emplace & find ssa;_cv 1.09 % 1.09 % 4 +std::unordered_map emplace & find std::string_view;_mean 3799479 ns 3799479 ns 4 +std::unordered_map emplace & find std::string_view;_median 3768229 ns 3768229 ns 4 +std::unordered_map emplace & find std::string_view;_stddev 130555 ns 130555 ns 4 +std::unordered_map emplace & find std::string_view;_cv 3.44 % 3.44 % 4 ----- Build Full Func Name ---------/repeats:1 0.000 ns 0.000 ns 1000000000000 -Build func full name std::string;_mean 3032 ns 3032 ns 4 -Build func full name std::string;_median 3092 ns 3092 ns 4 -Build func full name std::string;_stddev 250 ns 250 ns 4 -Build func full name std::string;_cv 8.24 % 8.24 % 4 -Build func full name std::string 1;_mean 3434 ns 3434 ns 4 -Build func full name std::string 1;_median 3546 ns 3546 ns 4 -Build func full name std::string 1;_stddev 322 ns 322 ns 4 -Build func full name std::string 1;_cv 9.39 % 9.39 % 4 -Build func full name std::stream;_mean 7330 ns 7330 ns 4 -Build func full name std::stream;_median 7275 ns 7275 ns 4 -Build func full name std::stream;_stddev 502 ns 502 ns 4 -Build func full name std::stream;_cv 6.85 % 6.85 % 4 -Build func full name stringa;_mean 1429 ns 1429 ns 4 -Build func full name stringa;_median 1427 ns 1427 ns 4 -Build func full name stringa;_stddev 94.1 ns 94.1 ns 4 -Build func full name stringa;_cv 6.58 % 6.58 % 4 -Build func full name stringa 1;_mean 1643 ns 1643 ns 4 -Build func full name stringa 1;_median 1646 ns 1646 ns 4 -Build func full name stringa 1;_stddev 68.1 ns 68.1 ns 4 -Build func full name stringa 1;_cv 4.14 % 4.14 % 4 +Build func full name std::string;_mean 2855 ns 2855 ns 4 +Build func full name std::string;_median 2899 ns 2899 ns 4 +Build func full name std::string;_stddev 160 ns 160 ns 4 +Build func full name std::string;_cv 5.62 % 5.62 % 4 +Build func full name std::string 1;_mean 3137 ns 3137 ns 4 +Build func full name std::string 1;_median 3056 ns 3056 ns 4 +Build func full name std::string 1;_stddev 278 ns 278 ns 4 +Build func full name std::string 1;_cv 8.85 % 8.85 % 4 +Build func full name std::stream;_mean 7119 ns 7119 ns 4 +Build func full name std::stream;_median 7185 ns 7185 ns 4 +Build func full name std::stream;_stddev 211 ns 211 ns 4 +Build func full name std::stream;_cv 2.96 % 2.96 % 4 +Build func full name stringa;_mean 1353 ns 1353 ns 4 +Build func full name stringa;_median 1347 ns 1347 ns 4 +Build func full name stringa;_stddev 59.5 ns 59.5 ns 4 +Build func full name stringa;_cv 4.40 % 4.40 % 4 +Build func full name stringa 1;_mean 1610 ns 1610 ns 4 +Build func full name stringa 1;_median 1613 ns 1613 ns 4 +Build func full name stringa 1;_stddev 73.9 ns 73.9 ns 4 +Build func full name stringa 1;_cv 4.59 % 4.59 % 4 diff --git a/docs/Doxyfile b/docs/Doxyfile index 21ef08a..6740233 100644 --- a/docs/Doxyfile +++ b/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 = 1.6.3 +PROJECT_NUMBER = 1.6.4 # 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 diff --git a/docs/Doxyfile_ru b/docs/Doxyfile_ru index a7e3d42..68f57a5 100644 --- a/docs/Doxyfile_ru +++ b/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 = 1.6.3 +PROJECT_NUMBER = 1.6.4 # 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 diff --git a/include/simstr/simple_unicode.h b/include/simstr/simple_unicode.h index 8726b77..6ebd01c 100644 --- a/include/simstr/simple_unicode.h +++ b/include/simstr/simple_unicode.h @@ -1,6 +1,6 @@ /* * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com - * ver. 1.6.3 + * ver. 1.6.4 */ #pragma once diff --git a/include/simstr/sstring.h b/include/simstr/sstring.h index 7b97ae7..20a44d2 100644 --- a/include/simstr/sstring.h +++ b/include/simstr/sstring.h @@ -1,9 +1,9 @@ /* * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com - * ver. 1.6.3 + * ver. 1.6.4 * Классы для работы со строками * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com -* ver. 1.6.3 +* ver. 1.6.4 * Classes for working with strings */ diff --git a/include/simstr/strexpr.h b/include/simstr/strexpr.h index 48b070a..3b78302 100644 --- a/include/simstr/strexpr.h +++ b/include/simstr/strexpr.h @@ -1,5 +1,5 @@ /* - * ver. 1.6.3 + * ver. 1.6.4 * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * База для строковых конкатенаций через выражения времени компиляции * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com @@ -1691,6 +1691,7 @@ namespace f{ enum class int_align { none, left, right, center }; enum class int_plus_sign {none, plus, space}; +enum class int_prefix {none, lcase, ucase}; enum fmt_kinds : unsigned { fmt_none = 0, @@ -1738,6 +1739,7 @@ struct upper_info { inline static constexpr unsigned kind = fmt_upper; }; +template struct prefix_info { inline static constexpr unsigned kind = fmt_prefix; }; @@ -1752,7 +1754,7 @@ concept FmtParam = requires { }; template -requires((A::kind ^ B::kind) != 0) +requires((A::kind & B::kind) == 0) constexpr auto operator | (const A&, const B&) { return fmt_info{}; } @@ -1770,7 +1772,8 @@ inline constexpr fill_info f; inline constexpr sign_info sp; inline constexpr sign_info ss; inline constexpr upper_info u; -inline constexpr prefix_info p; +inline constexpr prefix_info p; +inline constexpr prefix_info P; inline constexpr zero_info z; inline constexpr width_info wp; @@ -1853,15 +1856,19 @@ struct extract_upper> { }; template -struct extract_prefix : std::false_type{}; +struct extract_prefix : std::false_type{ + inline static constexpr int_prefix prefix = int_prefix::none; +}; -template<> -struct extract_prefix : std::true_type {}; +template +struct extract_prefix> : std::true_type { + inline static constexpr int_prefix prefix = P; +}; template struct extract_prefix> { - inline static constexpr bool in_a = extract_prefix::value, in_b = extract_prefix::value, - value = extract_prefix>>::value; + inline static constexpr bool in_a = extract_prefix::value, in_b = extract_prefix::value, value = in_a | in_b; + inline static constexpr int_prefix prefix = extract_prefix>>>::prefix; }; template @@ -1876,14 +1883,14 @@ struct extract_zero> { value = extract_zero>>::value; }; -template +template struct fmt_params { inline static constexpr int_align align = Align; inline static constexpr unsigned width = Width; inline static constexpr unsigned fill = Fill; inline static constexpr int_plus_sign sign = Sign; inline static constexpr bool upper = Upper; - inline static constexpr bool prefix = Prefix; + inline static constexpr int_prefix prefix = Prefix; inline static constexpr bool zero = Zero; }; @@ -1894,7 +1901,7 @@ using p_to_fmt_t = fmt_params< extract_fill::fill, extract_sign::sign, extract_upper::value, - extract_prefix::value, + extract_prefix::prefix, extract_zero::value>; template @@ -1903,12 +1910,96 @@ using to_fmt_t = p_to_fmt_t>; template struct is_fmt_params : std::false_type{}; -template +template struct is_fmt_params> : std::true_type{}; template concept FmtParamSet = is_fmt_params::value; +struct fmt_end{}; + +template +constexpr auto operator|(const F& f, fmt_end) { + return f; +} + +template +constexpr auto parse_fmt_symbol(); + +template +constexpr auto parse_width() { + if constexpr (C >= '0' && C <= '9') { + return parse_width(); + } else { + return w | parse_fmt_symbol(); + } +} + +template +constexpr auto parse_fill() { + if constexpr (C >= '0' && C <= '9') { + return parse_fill(); + } else if constexpr (C >= 'a' && C <= 'f') { + return parse_fill(); + } else if constexpr (C >= 'A' && C <= 'F') { + return parse_fill(); + } else { + return f | parse_fmt_symbol(); + } +} + +template +constexpr auto parse_fmt_symbol() { + if constexpr (C == '0') { + return z | parse_fmt_symbol(); + } else if constexpr (C == 'a') { + return p | parse_fmt_symbol(); + } else if constexpr (C == 'A') { + return P | parse_fmt_symbol(); + } else if constexpr (C == 'b') { + return l | parse_fmt_symbol(); + } else if constexpr (C == 'c') { + return c | parse_fmt_symbol(); + } else if constexpr (C == 'd') { + return r | parse_fmt_symbol(); + } else if constexpr (C == 'e') { + return sp | parse_fmt_symbol(); + } else if constexpr (C == 'f') { + return ss | parse_fmt_symbol(); + } else if constexpr (C == 'E') { + return u | parse_fmt_symbol(); + } else if constexpr (C == '\'') { + return parse_fmt_symbol(); + } else if constexpr (C == 'F') { + return parse_fill<0, Chars...>(); + } else if constexpr (C >= '1' && C <= '9') { + return parse_width(); + } else { + return fmt_end{}; + } +} + +template +struct fmt_radix_info {}; + +template +constexpr auto parse_radix() { + if constexpr (C >='0' && C <= '9') { + return parse_radix(); + } else if constexpr (C == 0) { + return fmt_radix_info>{}; + } else { + return fmt_radix_info())>{}; + } +}; + +template +constexpr auto skip_0x() { + static_assert(C1 == '0' && C2 == 'x' && "Fmt symbols must begin with 0x"); + static_assert(C3 >= '1' && C3 <= '9' && "Radix must begin with 1-9"); + return parse_radix(); +} + } // namespace f template @@ -1931,7 +2022,7 @@ struct expr_integer_src { }; template -requires (Radix > 1 && Radix <= 36 && (FP::align == f::int_align::none || !FP::zero)) +requires (Radix > 1 && Radix <= 36) struct expr_integer : expr_to_std_string> { using symb_type = K; using my_type = expr_num; @@ -1975,7 +2066,7 @@ struct expr_integer : expr_to_std_string> { } } } - if constexpr (FP::prefix && (Radix == 2 || Radix == 8 || Radix == 16)) { + if constexpr (FP::prefix != f::int_prefix::none && (Radix == 2 || Radix == 8 || Radix == 16)) { len++; // add 0 if constexpr (Radix != 8) { // for octo just add 0, len++; // for other b or x @@ -1998,7 +2089,7 @@ struct expr_integer : expr_to_std_string> { } } } - if constexpr (FP::prefix && (Radix == 2 || Radix == 8 || Radix == 16)) { + if constexpr (FP::prefix != f::int_prefix::none && (Radix == 2 || Radix == 8 || Radix == 16)) { all_len++; // add 0 if constexpr (Radix != 8) { // for octo just add 0, all_len++; // for other b or x @@ -2016,12 +2107,12 @@ struct expr_integer : expr_to_std_string> { } } } - if constexpr (FP::prefix && (Radix == 2 || Radix == 8 || Radix == 16)) { + if constexpr (FP::prefix != f::int_prefix::none && (Radix == 2 || Radix == 8 || Radix == 16)) { *ptr++ = K('0'); if constexpr (Radix == 2) { - *ptr++ = K('b'); + *ptr++ = FP::prefix == f::int_prefix::lcase ? K('b') : K('B'); } else if constexpr (Radix == 16) { - *ptr++ = K('x'); + *ptr++ = FP::prefix == f::int_prefix::lcase ? K('x') : K('X'); } } size_t before = 0; @@ -2080,12 +2171,12 @@ struct expr_integer : expr_to_std_string> { } } } - if constexpr (FP::prefix && (Radix == 2 || Radix == 8 || Radix == 16)) { + if constexpr (FP::prefix != f::int_prefix::none && (Radix == 2 || Radix == 8 || Radix == 16)) { *ptr++ = K('0'); if constexpr (Radix == 2) { - *ptr++ = K('b'); + *ptr++ = FP::prefix == f::int_prefix::lcase ? K('b') : K('B'); } else if constexpr (Radix == 16) { - *ptr++ = K('x'); + *ptr++ = FP::prefix == f::int_prefix::lcase ? K('x') : K('X'); } } ch_traits::copy(ptr, std::end(buf) - len, len); @@ -2123,7 +2214,10 @@ concept good_int_flags = && (std::is_signed_v || T::flags_t::sign == f::int_plus_sign::none) // Неверное поле ширины // Invalid width field - && (T::flags_t::width == unsigned(-1)) == ArgWidth; + && (T::flags_t::width == unsigned(-1)) == ArgWidth + // Префикс может быть только при основании 2, 8, 16 + // Prefix may by only for radix 2, 8, 16 + && (T::flags_t::prefix == f::int_prefix::none || T::Radix == 2 || T::Radix == 8 || T::Radix == 16); /*! * @ingroup StrExprs @@ -2134,19 +2228,21 @@ concept good_int_flags = * @param v - число. * @return источник для строкового выражения expr_integer_src. * @details параметры форматирования числа задаются набором констант, через '|'. - * - f::l: при задании ширины поля выравнивать влево. - * - f::r: при задании ширины поля выравнивать вправо. - * - f::с: при задании ширины поля выравнивать по центру. - * - f::p: выводить префикс системы счисления, 0b для 2, 0 для 8, 0x для 16. - * - f::z: дополнять число до заданной ширины нулями справа. Не совместимо с опциями выравнивания. - * - f::u: Для систем счисления более 10, выводить символы в верхнем регистре. - * - f::sp: Для знаковых типов чисел для положительных значений выводить '+' перед числом. - * - f::ss: Для знаковых типов чисел для положительных значений выводить пробел перед числом. - * - f::f<'c'>`: Задаёт символ-заполнитель при указании ширины поля. По умолчанию - пробел. - * - f::w: Задаёт ширину поля. При указании ширины можно либо указать желаемое выравнивание (r, l, c), + * - f::l при задании ширины поля выравнивать влево. + * - f::r при задании ширины поля выравнивать вправо. + * - f::с при задании ширины поля выравнивать по центру. + * - f::p выводить префикс системы счисления, 0b для 2, 0 для 8, 0x для 16. + * - f::P выводить префикс системы счисления, 0B для 2, 0 для 8, 0X для 16. + * - f::z дополнять число до заданной ширины нулями справа. Не совместимо с опциями выравнивания. + * - f::u Для систем счисления более 10, выводить символы в верхнем регистре. + * - f::sp Для знаковых типов чисел для положительных значений выводить '+' перед числом. + * - f::ss Для знаковых типов чисел для положительных значений выводить пробел перед числом. + * - f::f<'c'>` Задаёт символ-заполнитель при указании ширины поля. По умолчанию - пробел. + * - f::w Задаёт ширину поля. При указании ширины можно либо указать желаемое выравнивание (r, l, c), * либо дополнение нулями (z), но не оба сразу. Если ничего из этого не указано, применяется выравнивание вправо. * Число дополняется до заданной ширины, если оно короче. Если длиннее, то выводится всё число. - * - f::wp: То же самое, что и f::w<-1>. В этом случае ширина должна передаваться дополнительным аргументом e_int. + * - f::wp То же самое, что и f::w<-1>. В этом случае ширина должна передаваться дополнительным аргументом e_int. + *
    * @en @brief Creates an object that is converted to a string expression that generates a string representation of a number. * @tparam R - Number base, must be from 2 to 36. * @tparam fp - parameters for format number. @@ -2154,24 +2250,79 @@ concept good_int_flags = * @param v - number. * @return the source for the string expression expr_integer_src. * @details number formatting parameters are specified by a set of constants, via '|'. - * - f::l: when setting the field width, align to the left. - * - f::r: when setting the field width, align to the right. - * - f::с: when setting the field width, align to the center. - * - f::p: print number system prefix, 0b for 2, 0 for 8, 0x for 16. - * - f::z: pad the number to the specified width with zeros on the right. Not compatible with alignment options. - * - f::u: For number systems greater than 10, output characters in uppercase. - * - f::sp: For signed number types, print '+' before the number for positive values. - * - f::ss: For signed number types, print a space before the number for positive values. - * - f::f<'c'>: Specifies a placeholder character when specifying the field width. Default is space. - * - f::w: Sets the field width. When specifying the width, you can either specify the desired alignment (r, l, c), + * - f::l when setting the field width, align to the left. + * - f::r when setting the field width, align to the right. + * - f::с when setting the field width, align to the center. + * - f::p print number system prefix, 0b for 2, 0 for 8, 0x for 16. + * - f::P print number system prefix, 0B for 2, 0 for 8, 0X for 16. + * - f::z pad the number to the specified width with zeros on the right. Not compatible with alignment options. + * - f::u For number systems greater than 10, output characters in uppercase. + * - f::sp For signed number types, print '+' before the number for positive values. + * - f::ss For signed number types, print a space before the number for positive values. + * - f::f<'c'> Specifies a placeholder character when specifying the field width. Default is space. + * - f::w Sets the field width. When specifying the width, you can either specify the desired alignment (r, l, c), * or zero padding (z), but not both. If none of these are specified, right alignment is applied. * The number is padded to the given width if it is shorter. If it is longer, then the entire number is displayed. - * - f::wp: Same as f::w<-1>. In this case, the width must be passed as an additional argument e_int. - * + * - f::wp Same as f::w<-1>. In this case, the width must be passed as an additional argument e_int. + *
    * @ru Пример: @en Example: @~ * ```cpp - * stringu u16t = u"Number "_ss + num + " in octal is " + e_int<8, f::w<16> | f::z>(num) + - * ", in bin is " + e_int<2, f::w<32> | f::p | f::z>(num); + * stringu u16t = u"Number "_ss + num + * + " in octal is " + e_int<8, f::w<16> | f::z>(num) + * + ", in binary is " + e_int<2, f::w<32> | f::p | f::z>(num); + * ``` + * @ru Возможна также сокращённая запись этой функции в виде `num / 0xПараметрыФорматирования_fmt`. + * Параметры форматирования задаются следующим образом: сначала идёт `0x`, затем основание счисления, записанное в + * десятичном виде. Далее могут идти символы, обозначающие различные флаги: + * - b при задании ширины поля выравнивать влево, аналог f::l. + * - d при задании ширины поля выравнивать вправо, аналог f::r. + * - с при задании ширины поля выравнивать по центру, аналог f::c. + * - a выводить префикс системы счисления, 0b для 2, 0 для 8, 0x для 16, аналог f::p. + * - A выводить префикс системы счисления, 0B для 2, 0 для 8, 0X для 16, аналог f::P. + * - 0 дополнять число до заданной ширины нулями справа. Не совместимо с опциями выравнивания, аналог f::z. + * - E Для систем счисления более 10, выводить символы в верхнем регистре, аналог f::u. + * - e Для знаковых типов чисел для положительных значений выводить '+' перед числом, аналог f::sp. + * - f Для знаковых типов чисел для положительных значений выводить пробел перед числом, аналог f::ss. + * - FКодCимволаВhex Задаёт код символа-заполнителя при указании ширины поля, аналог f::f<'c'>. + * - Число в десятичном виде, начинающееся не с 0. Задаёт ширину поля, аналог f::w. + * При указании ширины можно либо указать желаемое выравнивание (b, c, d), + * либо дополнение нулями (0), но не оба сразу. Если ничего из этого не указано, применяется выравнивание вправо. + * Число дополняется до заданной ширины, если оно короче. Если длиннее, то выводится всё число. + * - ' разделитель, пропускается. + * Так как после `F` все символы воспринимаются как hex код символа разделителя, при необходимости его использования + * лучше ставить его в конце литерала форматирования, или отделять '. + *
    + * @en @brief Creates a set of radix and flags that can be applied to integers + * numbers to set formatting parameters using the division operator: `num / 0xFormatOptions_fmt`. + * Formatting parameters are set as follows: first comes `0x`, then the radix written in + * decimal form. Next may be symbols indicating various flags: + * - b when setting the field width, align to the left, analogous to f::l. + * - d when setting the field width, align to the right, analogous to f::r. + * - c when setting the field width, align to the center, analogous to f::c. + * - a display the number system prefix, 0b for 2, 0 for 8, 0x for 16, analogous to f::p. + * - A display the number system prefix, 0B for 2, 0 for 8, 0X for 16, analogous to f::P. + * - 0 pad the number to the specified width with zeros on the right. Not compatible with alignment options, similar to f::z. + * - E For number systems greater than 10, display characters in uppercase, analogous to f::u. + * - e For signed number types, for positive values, print '+' before the number, analogous to f::sp. + * - f For signed number types, for positive values, print a space before the number, analogous to f::ss. + * - FCodeInhex Sets the code of the filler character when specifying the field width, analogous to f::f<'c'>. + * - Number in decimal form, not starting from 0. Sets the field width, analogous to f::w. + * When specifying the width, you can either specify the desired alignment (b, c, d), + * or zero padding (0), but not both. If none of these are specified, right alignment is applied. + * The number is padded to the given width if it is shorter. If it is longer, then the entire number is displayed. + * - ' delimiter, skipped. + * Since after `F` all characters are perceived as hex code of the delimiter character, if necessary, use it + * it is better to put it at the end of format literal, or separate with '. + *
    + * @ru Пример: @en Example: @~ + * ```cpp + * stringu u16t = u"Number "_ss + num + * + " in octal is " + num / 0x8'016_fmt // same as e_int<8, f::w<16> | f::z>(num) + * + ", in binary is " + num / 0x2a032_fmt; // same as e_int<2, f::w<32> | f::p | f::z>(num); + * .... + * stringa text = "Count is "_ss + count / 0x16A08E_fmt; // same as e_int<16, f::P | f::z | f::w<8> | f::u>(count) + * .... + * stringa text = "Number "_ss + count / 0x16c20EF5F_fmt; // same as e_int<16, f::c | f::w<20> | f::u | f::f<'_'>>(count) * ``` */ template requires good_int_flags, false> @@ -2189,6 +2340,11 @@ constexpr auto e_int(T v, unsigned w) { return expr_integer_src{v, w}; } +template requires good_int_flags, false> +auto operator / (T v, const f::fmt_radix_info&) { + return expr_integer_src>{v}; +} + template struct expr_real : expr_to_std_string> { using symb_type = K; @@ -4752,6 +4908,71 @@ template inline const str_src_nt str_src_nt::empty_str{str_src_nt::empty_string, 0}; template struct simple_str_selector; +inline namespace literals { +/*! + * @ingroup StrExprs + * @ru @brief Создает набор из основания системы счисления и флагов, который может быть применён к целым + * числам для задания параметров форматирования с помощью оператора деления: `num / 0xПараметрыФорматирования_fmt`. + * Параметры форматирования задаются следующим образом: сначала идёт `0x`, затем основание счисления, записанное в + * десятичном виде. Далее могут идти символы, обозначающие различные флаги: + * - b при задании ширины поля выравнивать влево, аналог f::l. + * - d при задании ширины поля выравнивать вправо, аналог f::r. + * - c при задании ширины поля выравнивать по центру, аналог f::c. + * - a выводить префикс системы счисления, 0b для 2, 0 для 8, 0x для 16, аналог f::p. + * - A выводить префикс системы счисления, 0B для 2, 0 для 8, 0X для 16, аналог f::P. + * - 0 дополнять число до заданной ширины нулями справа. Не совместимо с опциями выравнивания, аналог f::z. + * - E Для систем счисления более 10, выводить символы в верхнем регистре, аналог f::u. + * - e Для знаковых типов чисел для положительных значений выводить '+' перед числом, аналог f::sp. + * - f Для знаковых типов чисел для положительных значений выводить пробел перед числом, аналог f::ss. + * - FКодCимволаВhex Задаёт код символа-заполнителя при указании ширины поля, аналог f::f<'c'>. + * - Число в десятичном виде, начинающееся не с 0. Задаёт ширину поля, аналог f::w. + * При указании ширины можно либо указать желаемое выравнивание (b, c, d), + * либо дополнение нулями (0), но не оба сразу. Если ничего из этого не указано, применяется выравнивание вправо. + * Число дополняется до заданной ширины, если оно короче. Если длиннее, то выводится всё число. + * - ' разделитель, пропускается. + * Так как после `F` все символы воспринимаются как hex код символа разделителя, при необходимости его использования + * лучше ставить его в конце литерала форматирования, или отделять '. + *
    + * @en @brief Creates a set of radix and flags that can be applied to integers + * numbers to set formatting parameters using the division operator: `num / 0xFormatOptions_fmt`. + * Formatting parameters are set as follows: first comes `0x`, then the radix written in + * decimal form. Next may be symbols indicating various flags: + * - b when setting the field width, align to the left, analogous to f::l. + * - d when setting the field width, align to the right, analogous to f::r. + * - c when setting the field width, align to the center, analogous to f::c. + * - a display the number system prefix, 0b for 2, 0 for 8, 0x for 16, analogous to f::p. + * - A display the number system prefix, 0B for 2, 0 for 8, 0X for 16, analogous to f::P. + * - 0 pad the number to the specified width with zeros on the right. Not compatible with alignment options, similar to f::z. + * - E For number systems greater than 10, display characters in uppercase, analogous to f::u. + * - e For signed number types, for positive values, print '+' before the number, analogous to f::sp. + * - f For signed number types, for positive values, print a space before the number, analogous to f::ss. + * - FCodeInhex Sets the code of the filler character when specifying the field width, analogous to f::f<'c'>. + * - Number in decimal form, not starting from 0. Sets the field width, analogous to f::w. + * When specifying the width, you can either specify the desired alignment (b, c, d), + * or zero padding (0), but not both. If none of these are specified, right alignment is applied. + * The number is padded to the given width if it is shorter. If it is longer, then the entire number is displayed. + * - ' delimiter, skipped. + * Since after `F` all characters are perceived as hex code of the delimiter character, if necessary, use it + * it is better to put it at the end of format literal, or separate with '. + *
    + * @ru Пример: @en Example: @~ + * ```cpp + * stringu u16t = u"Number "_ss + num + * + " in octal is " + num / 0x8'016_fmt // same as e_int<8, f::w<16> | f::z>(num) + * + ", in binary is " + num / 0x2a032_fmt; // same as e_int<2, f::w<32> | f::p | f::z>(num); + * .... + * stringa text = "Count is "_ss + count / 0x16A08E_fmt; // same as e_int<16, f::P | f::z | f::w<8> | f::u>(count) + * .... + * stringa text = "Number "_ss + count / 0x16c20EF5F_fmt; // same as e_int<16, f::c | f::w<20> | f::u | f::f<'_'>>(count) + * ``` + */ +template +consteval auto operator""_fmt() { + return f::skip_0x(); +} + +} + #ifndef IN_FULL_SIMSTR template diff --git a/readme.md b/readme.md index fecf0a3..0b6e67d 100644 --- a/readme.md +++ b/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 1.6.3. +Version 1.6.4.

    Speed up your work with strings by 2-10 times!

    @@ -323,8 +323,8 @@ function(add_simstr) simstr GIT_REPOSITORY https://github.com/orefkov/simstr.git GIT_SHALLOW TRUE - GIT_TAG tags/rel1.6.3 # Specify the desired release - FIND_PACKAGE_ARGS NAMES simstr 1.6.3 + GIT_TAG tags/rel1.6.4 # Specify the desired release + FIND_PACKAGE_ARGS NAMES simstr 1.6.4 ) FetchContent_MakeAvailable(simstr) endfunction() diff --git a/readme_ru.md b/readme_ru.md index 06776df..4503e3a 100644 --- a/readme_ru.md +++ b/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 1.6.3. +Версия 1.6.4.

    Ускорь работу со строками в 2-10 раз!

    @@ -324,8 +324,8 @@ function(add_simstr) simstr GIT_REPOSITORY https://github.com/orefkov/simstr.git GIT_SHALLOW TRUE - GIT_TAG tags/rel1.6.3 # Укажите нужный релиз - FIND_PACKAGE_ARGS NAMES simstr 1.6.3 + GIT_TAG tags/rel1.6.4 # Укажите нужный релиз + FIND_PACKAGE_ARGS NAMES simstr 1.6.4 ) FetchContent_MakeAvailable(simstr) endfunction() diff --git a/src/sstring.cpp b/src/sstring.cpp index 1c84650..66cc2ff 100644 --- a/src/sstring.cpp +++ b/src/sstring.cpp @@ -1,5 +1,5 @@ /* - * ver. 1.6.3 + * ver. 1.6.4 * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * Реализация строковых функций * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com diff --git a/tests/test_expr_only.cpp b/tests/test_expr_only.cpp index c60c82f..14e586a 100644 --- a/tests/test_expr_only.cpp +++ b/tests/test_expr_only.cpp @@ -1,5 +1,5 @@ /* - * ver. 1.6.3 + * ver. 1.6.4 * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * Тесты simstr * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com @@ -10,6 +10,7 @@ #include #include #include +#include using namespace std::literals; @@ -398,5 +399,9 @@ TEST(StrExpr, EInt) { EXPECT_EQ(uu, U"0x000007B"); } +TEST(StrExpr, EIntFmt) { + std::string test = "'0x"_ss + 10 / 0x16E08_fmt + "' " + 10 / 0x11'8EF5f_fmt; + EXPECT_EQ(test, "'0x0000000A' _______A"); +} } // namespace simstr::tests diff --git a/tests/test_str.cpp b/tests/test_str.cpp index 0fc7827..9674ae0 100644 --- a/tests/test_str.cpp +++ b/tests/test_str.cpp @@ -1,5 +1,5 @@ /* - * ver. 1.6.3 + * ver. 1.6.4 * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * Тесты simstr * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com diff --git a/tests/test_tostrexpr.cpp b/tests/test_tostrexpr.cpp index 8faec57..2b1eb2c 100644 --- a/tests/test_tostrexpr.cpp +++ b/tests/test_tostrexpr.cpp @@ -1,5 +1,5 @@ /* - * ver. 1.6.3 + * ver. 1.6.4 * (c) Проект "SimStr", Александр Орефков orefkov@gmail.com * Тесты simstr * (c) Project "SimStr", Aleksandr Orefkov orefkov@gmail.com