mirror of https://github.com/orefkov/simstr.git
4176 lines
255 KiB
HTML
4176 lines
255 KiB
HTML
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<title>SimStr benchmarks results</title>
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</script>
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</head><body><div class="header"><h2>SimStr benchmarks results</h2>
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<span>All times in ns.</span>
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<span><a href="https://github.com/orefkov/simstr/blob/main/bench/bench_str.cpp">Source for benchmarks</a></span>
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<div>Group tests by platforms in charts: <input type="checkbox" id="gbp" checked onchange="switchGrouping()"/></div><div class="test_platforms"><h3>Test configurations:</h3><ul>
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<li><span class="platform">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</span><span class="tooltip">32 X 2494.22 MHz CPU s<span class="tooltiptext">CPU Caches:
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L1 Data 32 KiB (x16)
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L1 Instruction 32 KiB (x16)
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L2 Unified 256 KiB (x16)
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L3 Unified 40960 KiB (x1)
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Load Average: 0.00, 0.00, 0.00
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***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.</span></span> Include in charts: <input type="checkbox" id="pl0" checked onchange="buildCharts()"/></li>
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<li><span class="platform">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</span><span class="tooltip">32 X 2494.22 MHz CPU s<span class="tooltiptext">CPU Caches:
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L1 Data 32 KiB (x16)
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L1 Instruction 32 KiB (x16)
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L2 Unified 256 KiB (x16)
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L3 Unified 40960 KiB (x1)
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Load Average: 0.00, 0.00, 0.00
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***WARNING*** ASLR is enabled, the results may have unreproducible noise in them.</span></span> Include in charts: <input type="checkbox" id="pl1" checked onchange="buildCharts()"/></li>
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<li><span class="platform">Xeon E5-2682 v4, Windows 10, Clang-19</span><span class="tooltip">32 X 2494 MHz CPU s<span class="tooltiptext">CPU Caches:
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L1 Data 32 KiB (x16)
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L1 Instruction 32 KiB (x16)
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L2 Unified 256 KiB (x16)
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L3 Unified 40960 KiB (x1)</span></span> Include in charts: <input type="checkbox" id="pl2" checked onchange="buildCharts()"/></li>
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<li><span class="platform">Xeon E5-2682 v4, Windows 10, MSVC-19</span><span class="tooltip">32 X 2494 MHz CPU s<span class="tooltiptext">CPU Caches:
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L1 Data 32 KiB (x16)
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L1 Instruction 32 KiB (x16)
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||
L2 Unified 256 KiB (x16)
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L3 Unified 40960 KiB (x1)</span></span> Include in charts: <input type="checkbox" id="pl3" checked onchange="buildCharts()"/></li>
|
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<li><span class="platform">Xeon E5-2682 v4, WASM Firefox, Clang-21</span><span class="tooltip">32 X 2513.96 MHz CPU s<span class="tooltiptext">Firefox: 146.0.1.60 webasm</span></span> Include in charts: <input type="checkbox" id="pl4" checked onchange="buildCharts()"/></li>
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</ul></div></div>
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<script>const platform_names=['Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21','Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13','Xeon E5-2682 v4, Windows 10, Clang-19','Xeon E5-2682 v4, Windows 10, MSVC-19','Xeon E5-2682 v4, WASM Firefox, Clang-21'];</script>
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<div class="benchset" id="bs1"><h4><a id="bs70109915512075798510" href="#bs70109915512075798510">#</a> Concatenate string + Number + "Literal"</h4>
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<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
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<tr><td class="benchmarkname"><span class="tooltip">Concat std::string and number by std to std::string<span class="tooltiptext code">void ConcatStdToStd(benchmark::State& state) {
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std::string s1 = "start ";
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for (auto _: state) {
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for (int i = 1; i <= 100'000; i *= 10) {
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benchmark::DoNotOptimize(s1);
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std::string str = s1 + std::to_string(i) + " end";
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benchmark::DoNotOptimize(str);
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}
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}
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}</span></span></td><td></td><td class="benchmarkresult">219</td><td class="benchmarkresult">209</td><td class="benchmarkresult">265</td><td class="benchmarkresult">386</td><td class="benchmarkresult">862</td></tr>
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<tr><td class="benchmarkname"><span class="tooltip">Concat std::string and number by StrExpr to std::string<span class="tooltiptext code">void ConcatSimToStd(benchmark::State& state) {
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std::string s1 = "start ";
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for (auto _: state) {
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for (int i = 1; i <= 100'000; i *= 10) {
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benchmark::DoNotOptimize(s1);
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std::string str = +s1 + i + " end";
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benchmark::DoNotOptimize(str);
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}
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}
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}</span></span></td><td></td><td class="benchmarkresult">105</td><td class="benchmarkresult">104</td><td class="benchmarkresult">178</td><td class="benchmarkresult">266</td><td class="benchmarkresult">384</td></tr>
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<tr><td class="benchmarkname"><span class="tooltip">Concat stringa and number by StrExpr to simstr::stringa<span class="tooltiptext code">void ConcatSimToSim(benchmark::State& state) {
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stra s1 = "start ";
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for (auto _: state) {
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for (int i = 1; i <= 100'000; i *= 10) {
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benchmark::DoNotOptimize(s1);
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stringa str = s1 + i + " end";
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benchmark::DoNotOptimize(str);
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}
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}
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}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">stringa в отличии от std::string,
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вмещает в SSO 23 символа вместо 15, поэтому
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в конце теста std::string приходится аллоцировать память,
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а в stringa весь тест входит в SSO.
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Unlike std::string, stringa
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holds 23 characters in SSO instead of 15, so
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at the end of the std::string test, memory has to be allocated,
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while in stringa , the entire test is included in SSO.</span></span></td><td class="benchmarkresult">66.3</td><td class="benchmarkresult">81.5</td><td class="benchmarkresult">66.5</td><td class="benchmarkresult">128</td><td class="benchmarkresult">196</td></tr>
|
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<tr><td class="benchmarkname"><span class="tooltip">Concat stringa and number by e_concat to simstr::stringa<span class="tooltiptext code">void ConcatSimToSimConcat(benchmark::State& state) {
|
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stra s1 = "start ";
|
||
for (auto _: state) {
|
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for (int i = 1; i <= 100'000; i *= 10) {
|
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benchmark::DoNotOptimize(s1);
|
||
stringa str = e_concat("", s1, i, " end");
|
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benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">68.8</td><td class="benchmarkresult">80.2</td><td class="benchmarkresult">74.9</td><td class="benchmarkresult">145</td><td class="benchmarkresult">193</td></tr>
|
||
</tbody></table></div><script>bench_sets['Concatenate string + Number + "Literal"'] = {id:'bs1', tests:[
|
||
{name:'Concat std::string and number by std to std::string',data:[219,209,265,386,862]},
|
||
{name:'Concat std::string and number by StrExpr to std::string',data:[105,104,178,266,384]},
|
||
{name:'Concat stringa and number by StrExpr to simstr::stringa',data:[66.3,81.5,66.5,128,196]},
|
||
{name:'Concat stringa and number by e_concat to simstr::stringa',data:[68.8,80.2,74.9,145,193]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs2"><h4><a id="bs146911715078927772520" href="#bs146911715078927772520">#</a> Concatenate string + Hex Number + "Literal"</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat std::string and hex number by std to std::string<span class="tooltiptext code">void ConcatStdToStdHex(benchmark::State& state) {
|
||
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
|
||
std::string s1 = "art ";
|
||
for (auto _: state) {
|
||
for (unsigned i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
// What is standard method to get hex number?
|
||
std::string str = std::format("{}0x{:x} end", s1, i);
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">861</td><td class="benchmarkresult">935</td><td class="benchmarkresult">1518</td><td class="benchmarkresult">2092</td><td class="benchmarkresult">1594</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat std::string and hex number by StrExpr to std::string<span class="tooltiptext code">void ConcatSimToStdHex(benchmark::State& state) {
|
||
// We use a short string so that the longest result is 15 characters and fits in the std::string SSO buffer.
|
||
std::string s1 = "art ";
|
||
for (auto _: state) {
|
||
for (unsigned i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
std::string str = +s1 + e_hex<HexFlags::Short>(i) + " end";
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">86.4</td><td class="benchmarkresult">69.6</td><td class="benchmarkresult">81.0</td><td class="benchmarkresult">182</td><td class="benchmarkresult">371</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat stringa and hex number by StrExpr to simstr::stringa<span class="tooltiptext code">void 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) {
|
||
for (unsigned i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
stringa str = s1 + e_hex<HexFlags::Short>(i) + " end";
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">75.8</td><td class="benchmarkresult">70.4</td><td class="benchmarkresult">76.6</td><td class="benchmarkresult">124</td><td class="benchmarkresult">185</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat stringa and hex number by e_concat to simstr::stringa<span class="tooltiptext code">void 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) {
|
||
for (unsigned i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
stringa str = e_concat("", s1, e_hex<HexFlags::Short>(i), " end");
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">75.0</td><td class="benchmarkresult">78.9</td><td class="benchmarkresult">78.3</td><td class="benchmarkresult">180</td><td class="benchmarkresult">197</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat stringa and hex number by e_subst to simstr::stringa<span class="tooltiptext code">void 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) {
|
||
for (unsigned i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
stringa str = e_subst(S_FRM("{}{} end"), s1, e_hex<HexFlags::Short>(i));
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">150</td><td class="benchmarkresult">157</td><td class="benchmarkresult">150</td><td class="benchmarkresult">266</td><td class="benchmarkresult">402</td></tr>
|
||
</tbody></table></div><script>bench_sets['Concatenate string + Hex Number + "Literal"'] = {id:'bs2', tests:[
|
||
{name:'Concat std::string and hex number by std to std::string',data:[861,935,1518,2092,1594]},
|
||
{name:'Concat std::string and hex number by StrExpr to std::string',data:[86.4,69.6,81.0,182,371]},
|
||
{name:'Concat stringa and hex number by StrExpr to simstr::stringa',data:[75.8,70.4,76.6,124,185]},
|
||
{name:'Concat stringa and hex number by e_concat to simstr::stringa',data:[75.0,78.9,78.3,180,197]},
|
||
{name:'Concat stringa and hex number by e_subst to simstr::stringa',data:[150,157,150,266,402]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs3"><h4><a id="bs59672599204338055190" href="#bs59672599204338055190">#</a> Concatenate string + "Literal"</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat std::string by std to std::string<span class="tooltiptext code">void ConcatStdToStdS(benchmark::State& state) {
|
||
std::string s1 = "start ";
|
||
for (auto _: state) {
|
||
for (int i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
std::string str = s1 + " end";
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">45.2</td><td class="benchmarkresult">45.5</td><td class="benchmarkresult">40.1</td><td class="benchmarkresult">72.5</td><td class="benchmarkresult">87.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat std::string by StrExpr to std::string<span class="tooltiptext code">void ConcatSimToStdS(benchmark::State& state) {
|
||
std::string s1 = "start ";
|
||
for (auto _: state) {
|
||
for (int i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
std::string str = +s1 + " end";
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">33.9</td><td class="benchmarkresult">36.8</td><td class="benchmarkresult">39.4</td><td class="benchmarkresult">91.4</td><td class="benchmarkresult">97.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat stringa by StrExpr to stringa<span class="tooltiptext code">void ConcatSimToSimS(benchmark::State& state) {
|
||
stra s1 = "start ";
|
||
for (auto _: state) {
|
||
for (int i = 1; i <= 100'000; i *= 10) {
|
||
benchmark::DoNotOptimize(s1);
|
||
stringa str = s1 + " end";
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">29.1</td><td class="benchmarkresult">27.2</td><td class="benchmarkresult">28.7</td><td class="benchmarkresult">60.1</td><td class="benchmarkresult">91.9</td></tr>
|
||
</tbody></table></div><script>bench_sets['Concatenate string + "Literal"'] = {id:'bs3', tests:[
|
||
{name:'Concat std::string by std to std::string',data:[45.2,45.5,40.1,72.5,87.7]},
|
||
{name:'Concat std::string by StrExpr to std::string',data:[33.9,36.8,39.4,91.4,97.9]},
|
||
{name:'Concat stringa by StrExpr to stringa',data:[29.1,27.2,28.7,60.1,91.9]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs4"><h4><a id="bs68116594352702954700" href="#bs68116594352702954700">#</a> Find three concatenated string in string_view</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Find concat three std::string<span class="tooltiptext code">size_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");
|
||
}</span></span></td><td></td><td class="benchmarkresult">112</td><td class="benchmarkresult">135</td><td class="benchmarkresult">205</td><td class="benchmarkresult">265</td><td class="benchmarkresult">173</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Find concat three strexpr<span class="tooltiptext code">size_t find_pos_exp(ssa src, ssa name) {
|
||
return src.find(std::string{"\n- " + name + " -\n"});
|
||
}</span></span></td><td></td><td class="benchmarkresult">50.6</td><td class="benchmarkresult">44.3</td><td class="benchmarkresult">114</td><td class="benchmarkresult">150</td><td class="benchmarkresult">110</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Find concat three simstr<span class="tooltiptext code">size_t find_pos_sim(ssa src, ssa name) {
|
||
return src.find(lstringa<200>{"\n- " + name + " -\n"});
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">22.8</td><td class="benchmarkresult">53.4</td><td class="benchmarkresult">21.5</td><td class="benchmarkresult">32.4</td><td class="benchmarkresult">76.2</td></tr>
|
||
</tbody></table></div><script>bench_sets['Find three concatenated string in string_view'] = {id:'bs4', tests:[
|
||
{name:'Find concat three std::string',data:[112,135,205,265,173]},
|
||
{name:'Find concat three strexpr',data:[50.6,44.3,114,150,110]},
|
||
{name:'Find concat three simstr',data:[22.8,53.4,21.5,32.4,76.2]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs5"><h4><a id="bs145290966789248325200" href="#bs145290966789248325200">#</a> Build Type Name</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameStr 0/0<span class="tooltiptext code">std::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);
|
||
if (scale) {
|
||
res += "," + std::to_string(scale);
|
||
}
|
||
res += ")";
|
||
}
|
||
return res;
|
||
}</span></span></td><td></td><td class="benchmarkresult">7.17</td><td class="benchmarkresult">10.1</td><td class="benchmarkresult">8.22</td><td class="benchmarkresult">20.9</td><td class="benchmarkresult">15.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameExp 0/0<span class="tooltiptext code">std::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;
|
||
}</span></span></td><td></td><td class="benchmarkresult">6.73</td><td class="benchmarkresult">7.22</td><td class="benchmarkresult">7.62</td><td class="benchmarkresult">14.8</td><td class="benchmarkresult">15.8</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameSim 0/0<span class="tooltiptext code">stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) {
|
||
if (prec) {
|
||
return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")";
|
||
}
|
||
return type_name;
|
||
}</span></span></td><td></td><td class="benchmarkresult">5.57</td><td class="benchmarkresult">5.45</td><td class="benchmarkresult">8.19</td><td class="benchmarkresult">18.3</td><td class="benchmarkresult">15.6</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameStr 10/10<span class="tooltiptext code">std::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);
|
||
if (scale) {
|
||
res += "," + std::to_string(scale);
|
||
}
|
||
res += ")";
|
||
}
|
||
return res;
|
||
}</span></span></td><td></td><td class="benchmarkresult">57.2</td><td class="benchmarkresult">86.4</td><td class="benchmarkresult">64.1</td><td class="benchmarkresult">100</td><td class="benchmarkresult">253</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameExp 10/10<span class="tooltiptext code">std::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;
|
||
}</span></span></td><td></td><td class="benchmarkresult">31.1</td><td class="benchmarkresult">24.9</td><td class="benchmarkresult">33.9</td><td class="benchmarkresult">48.0</td><td class="benchmarkresult">92.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">BuildTypeNameSim 10/10<span class="tooltiptext code">stringa buildTypeNameSim(ssa type_name, size_t prec, size_t scale) {
|
||
if (prec) {
|
||
return type_name + "(" + prec + e_if(scale, ","_ss + scale) + ")";
|
||
}
|
||
return type_name;
|
||
}</span></span></td><td></td><td class="benchmarkresult">24.7</td><td class="benchmarkresult">22.2</td><td class="benchmarkresult">25.3</td><td class="benchmarkresult">44.6</td><td class="benchmarkresult">65.5</td></tr>
|
||
</tbody></table></div><script>bench_sets['Build Type Name'] = {id:'bs5', tests:[
|
||
{name:'BuildTypeNameStr 0/0',data:[7.17,10.1,8.22,20.9,15.2]},
|
||
{name:'BuildTypeNameExp 0/0',data:[6.73,7.22,7.62,14.8,15.8]},
|
||
{name:'BuildTypeNameSim 0/0',data:[5.57,5.45,8.19,18.3,15.6]},
|
||
{name:'BuildTypeNameStr 10/10',data:[57.2,86.4,64.1,100,253]},
|
||
{name:'BuildTypeNameExp 10/10',data:[31.1,24.9,33.9,48.0,92.7]},
|
||
{name:'BuildTypeNameSim 10/10',data:[24.7,22.2,25.3,44.6,65.5]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs6"><h4><a id="bs54035654251116789780" href="#bs54035654251116789780">#</a> Replace string by copy</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat with replace str<span class="tooltiptext code">std::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; ;) {
|
||
size_t pos = from.find(pattern, offset);
|
||
if (pos == std::string::npos) {
|
||
result += from.substr(offset);
|
||
break;
|
||
}
|
||
result += from.substr(offset, pos - offset);
|
||
result += repl;
|
||
offset = pos + pattern.length();
|
||
}
|
||
return result;
|
||
};
|
||
return "<" + str_replace(from, pattern, repl) + ">";
|
||
}</span></span></td><td></td><td class="benchmarkresult">202</td><td class="benchmarkresult">231</td><td class="benchmarkresult">312</td><td class="benchmarkresult">430</td><td class="benchmarkresult">411</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Concat with replace exp<span class="tooltiptext code">std::string make_str_exp(std::string_view from, std::string_view pattern, std::string_view repl) {
|
||
return "<" + e_repl(from, pattern, repl) + ">";
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">В simstr строковое выражение для замены подстрок
|
||
есть "из коробки".
|
||
simstr has a string expression for replacing substrings out of the box.</span></span></td><td class="benchmarkresult">151</td><td class="benchmarkresult">139</td><td class="benchmarkresult">228</td><td class="benchmarkresult">278</td><td class="benchmarkresult">243</td></tr>
|
||
</tbody></table></div><script>bench_sets['Replace string by copy'] = {id:'bs6', tests:[
|
||
{name:'Concat with replace str',data:[202,231,312,430,411]},
|
||
{name:'Concat with replace exp',data:[151,139,228,278,243]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs7"><h4><a id="bs77666948964429305550" href="#bs77666948964429305550">#</a> Create Empty Str</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Пустые строки, ничего необычного.
|
||
Empty lines, nothing unusual.</span></span></td><td class="benchmarkresult">1.16</td><td class="benchmarkresult">1.15</td><td class="benchmarkresult">1.17</td><td class="benchmarkresult">2.85</td><td class="benchmarkresult">2.14</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.384</td><td class="benchmarkresult">0.772</td><td class="benchmarkresult">0.363</td><td class="benchmarkresult">2.02</td><td class="benchmarkresult">0.972</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.378</td><td class="benchmarkresult">0.190</td><td class="benchmarkresult">0.360</td><td class="benchmarkresult">2.05</td><td class="benchmarkresult">0.939</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.762</td><td class="benchmarkresult">0.750</td><td class="benchmarkresult">0.740</td><td class="benchmarkresult">2.42</td><td class="benchmarkresult">2.15</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1.14</td><td class="benchmarkresult">1.11</td><td class="benchmarkresult">1.11</td><td class="benchmarkresult">2.91</td><td class="benchmarkresult">2.19</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40> e;<span class="tooltiptext code">template<typename T>
|
||
void CreateEmpty(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1.12</td><td class="benchmarkresult">1.12</td><td class="benchmarkresult">1.10</td><td class="benchmarkresult">3.01</td><td class="benchmarkresult">2.58</td></tr>
|
||
</tbody></table></div><script>bench_sets['Create Empty Str'] = {id:'bs7', tests:[
|
||
{name:'std::string e;',data:[1.16,1.15,1.17,2.85,2.14]},
|
||
{name:'std::string_view e;',data:[0.384,0.772,0.363,2.02,0.972]},
|
||
{name:'ssa e;',data:[0.378,0.190,0.360,2.05,0.939]},
|
||
{name:'stringa e;',data:[0.762,0.750,0.740,2.42,2.15]},
|
||
{name:'lstringa<20> e;',data:[1.14,1.11,1.11,2.91,2.19]},
|
||
{name:'lstringa<40> e;',data:[1.12,1.12,1.10,3.01,2.58]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs8"><h4><a id="bs181001525395597238060" href="#bs181001525395597238060">#</a> Create Str from short literal (9 symbols)</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.84</td><td class="benchmarkresult">1.87</td><td class="benchmarkresult">1.82</td><td class="benchmarkresult">2.90</td><td class="benchmarkresult">2.33</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">0.739</td><td class="benchmarkresult">0.806</td><td class="benchmarkresult">0.769</td><td class="benchmarkresult">2.05</td><td class="benchmarkresult">1.24</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.369</td><td class="benchmarkresult">0.750</td><td class="benchmarkresult">0.365</td><td class="benchmarkresult">2.03</td><td class="benchmarkresult">0.968</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.15</td><td class="benchmarkresult">1.12</td><td class="benchmarkresult">1.08</td><td class="benchmarkresult">2.87</td><td class="benchmarkresult">2.16</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.94</td><td class="benchmarkresult">1.92</td><td class="benchmarkresult">1.85</td><td class="benchmarkresult">2.96</td><td class="benchmarkresult">2.65</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40> e = "Test text";<span class="tooltiptext code">template<typename T>
|
||
void CreateShortLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string = TEST_TEXT;
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1.88</td><td class="benchmarkresult">1.88</td><td class="benchmarkresult">1.87</td><td class="benchmarkresult">2.95</td><td class="benchmarkresult">2.61</td></tr>
|
||
</tbody></table></div><script>bench_sets['Create Str from short literal (9 symbols)'] = {id:'bs8', tests:[
|
||
{name:'std::string e = "Test text";',data:[1.84,1.87,1.82,2.90,2.33]},
|
||
{name:'std::string_view e = "Test text";',data:[0.739,0.806,0.769,2.05,1.24]},
|
||
{name:'ssa e = "Test text";',data:[0.369,0.750,0.365,2.03,0.968]},
|
||
{name:'stringa e = "Test text";',data:[1.15,1.12,1.08,2.87,2.16]},
|
||
{name:'lstringa<20> e = "Test text";',data:[1.94,1.92,1.85,2.96,2.65]},
|
||
{name:'lstringa<40> e = "Test text";',data:[1.88,1.88,1.87,2.95,2.61]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs9"><h4><a id="bs132333183298742730280" href="#bs132333183298742730280">#</a> Create Str from long literal (30 symbols)</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Вот тут уже литерал не помещается во внутренний буфер,
|
||
возникает аллокация и копирование 30-и байтов.
|
||
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...</span></span></td><td class="benchmarkresult">19.6</td><td class="benchmarkresult">19.5</td><td class="benchmarkresult">72.1</td><td class="benchmarkresult">96.3</td><td class="benchmarkresult">16.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">0.771</td><td class="benchmarkresult">0.744</td><td class="benchmarkresult">0.734</td><td class="benchmarkresult">2.06</td><td class="benchmarkresult">1.28</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.382</td><td class="benchmarkresult">0.738</td><td class="benchmarkresult">0.360</td><td class="benchmarkresult">2.06</td><td class="benchmarkresult">0.971</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">stringa на константных литералах не отстает!
|
||
stringa doesn't lag behind on constant literals!</span></span></td><td class="benchmarkresult">1.13</td><td class="benchmarkresult">1.11</td><td class="benchmarkresult">1.08</td><td class="benchmarkresult">3.00</td><td class="benchmarkresult">2.18</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">lstringa<20> может вместить в себя до 23 символов,
|
||
Очевидно, что для 30-и символов уже нужна аллокация.
|
||
Obviously, 30 characters already require allocation.</span></span></td><td class="benchmarkresult">24.3</td><td class="benchmarkresult">23.0</td><td class="benchmarkresult">74.5</td><td class="benchmarkresult">97.1</td><td class="benchmarkresult">16.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40> e = "123456789012345678901234567890";<span class="tooltiptext code">template<typename T>
|
||
void CreateLongLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
T empty_string{LONG_TEXT};
|
||
benchmark::DoNotOptimize(empty_string);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">2.60</td><td class="benchmarkresult">1.96</td><td class="benchmarkresult">2.52</td><td class="benchmarkresult">3.65</td><td class="benchmarkresult">3.00</td></tr>
|
||
</tbody></table></div><script>bench_sets['Create Str from long literal (30 symbols)'] = {id:'bs9', tests:[
|
||
{name:'std::string e = "123456789012345678901234567890";',data:[19.6,19.5,72.1,96.3,16.0]},
|
||
{name:'std::string_view e = "123456789012345678901234567890";',data:[0.771,0.744,0.734,2.06,1.28]},
|
||
{name:'ssa e = "123456789012345678901234567890";',data:[0.382,0.738,0.360,2.06,0.971]},
|
||
{name:'stringa e = "123456789012345678901234567890";',data:[1.13,1.11,1.08,3.00,2.18]},
|
||
{name:'lstringa<20> e = "123456789012345678901234567890";',data:[24.3,23.0,74.5,97.1,16.5]},
|
||
{name:'lstringa<40> e = "123456789012345678901234567890";',data:[2.60,1.96,2.52,3.65,3.00]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs10"><h4><a id="bs6234433963744178700" href="#bs6234433963744178700">#</a> Create copy of Str with 9 symbols</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Строка в пределах SSO, так что просто копирует байты.
|
||
The string is within the SSO, so it just copies the bytes.</span></span></td><td class="benchmarkresult">5.67</td><td class="benchmarkresult">4.97</td><td class="benchmarkresult">1.84</td><td class="benchmarkresult">5.61</td><td class="benchmarkresult">2.21</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.377</td><td class="benchmarkresult">0.399</td><td class="benchmarkresult">0.373</td><td class="benchmarkresult">3.95</td><td class="benchmarkresult">1.26</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">0.387</td><td class="benchmarkresult">0.381</td><td class="benchmarkresult">0.363</td><td class="benchmarkresult">3.92</td><td class="benchmarkresult">1.24</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Копирование stringa происходит быстро,
|
||
особенно если она инициализирована литералом.
|
||
Copying a stringa is fast,
|
||
especially if it is initialized with a literal.</span></span></td><td class="benchmarkresult">1.14</td><td class="benchmarkresult">1.15</td><td class="benchmarkresult">1.28</td><td class="benchmarkresult">4.44</td><td class="benchmarkresult">2.55</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">В обоих случаях хватает внутреннего буфера.
|
||
In both cases, the internal buffer is sufficient.</span></span></td><td class="benchmarkresult">4.29</td><td class="benchmarkresult">4.56</td><td class="benchmarkresult">4.74</td><td class="benchmarkresult">9.72</td><td class="benchmarkresult">15.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40> e = "Test text"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyShortString(benchmark::State& state) {
|
||
T x{TEST_TEXT};
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Только копируются байты.
|
||
Only bytes are copied.</span></span></td><td class="benchmarkresult">4.20</td><td class="benchmarkresult">4.61</td><td class="benchmarkresult">4.70</td><td class="benchmarkresult">9.61</td><td class="benchmarkresult">14.5</td></tr>
|
||
</tbody></table></div><script>bench_sets['Create copy of Str with 9 symbols'] = {id:'bs10', tests:[
|
||
{name:'std::string e = "Test text"; auto c{e};',data:[5.67,4.97,1.84,5.61,2.21]},
|
||
{name:'std::string_view e = "Test text"; auto c{e};',data:[0.377,0.399,0.373,3.95,1.26]},
|
||
{name:'ssa e = "Test text"; auto c{e};',data:[0.387,0.381,0.363,3.92,1.24]},
|
||
{name:'stringa e = "Test text"; auto c{e};',data:[1.14,1.15,1.28,4.44,2.55]},
|
||
{name:'lstringa<20> e = "Test text"; auto c{e};',data:[4.29,4.56,4.74,9.72,15.2]},
|
||
{name:'lstringa<40> e = "Test text"; auto c{e};',data:[4.20,4.61,4.70,9.61,14.5]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs11"><h4><a id="bs76384575499199461500" href="#bs76384575499199461500">#</a> Create copy of Str with 30 symbols</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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...</span></span></td><td class="benchmarkresult">21.2</td><td class="benchmarkresult">25.3</td><td class="benchmarkresult">76.6</td><td class="benchmarkresult">94.6</td><td class="benchmarkresult">33.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.737</td><td class="benchmarkresult">0.731</td><td class="benchmarkresult">0.714</td><td class="benchmarkresult">1.94</td><td class="benchmarkresult">1.27</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">0.379</td><td class="benchmarkresult">0.731</td><td class="benchmarkresult">0.362</td><td class="benchmarkresult">1.97</td><td class="benchmarkresult">0.981</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.13</td><td class="benchmarkresult">1.13</td><td class="benchmarkresult">1.84</td><td class="benchmarkresult">3.36</td><td class="benchmarkresult">2.19</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Не влезает, аллокация.
|
||
Doesn't fit, allocation.</span></span></td><td class="benchmarkresult">20.7</td><td class="benchmarkresult">22.5</td><td class="benchmarkresult">79.1</td><td class="benchmarkresult">97.1</td><td class="benchmarkresult">15.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40> e = "123456789012345678901234567890"; auto c{e};<span class="tooltiptext code">template<typename T>
|
||
void CopyLongString(benchmark::State& state) {
|
||
T x = LONG_TEXT;
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Уложили во внутренний буфер.
|
||
Placed in the internal buffer.</span></span></td><td class="benchmarkresult">4.48</td><td class="benchmarkresult">4.61</td><td class="benchmarkresult">4.46</td><td class="benchmarkresult">8.16</td><td class="benchmarkresult">14.2</td></tr>
|
||
</tbody></table></div><script>bench_sets['Create copy of Str with 30 symbols'] = {id:'bs11', tests:[
|
||
{name:'std::string e = "123456789012345678901234567890"; auto c{e};',data:[21.2,25.3,76.6,94.6,33.3]},
|
||
{name:'std::string_view e = "123456789012345678901234567890"; auto c{e};',data:[0.737,0.731,0.714,1.94,1.27]},
|
||
{name:'ssa e = "123456789012345678901234567890"; auto c{e};',data:[0.379,0.731,0.362,1.97,0.981]},
|
||
{name:'stringa e = "123456789012345678901234567890"; auto c{e};',data:[1.13,1.13,1.84,3.36,2.19]},
|
||
{name:'lstringa<20> e = "123456789012345678901234567890"; auto c{e};',data:[20.7,22.5,79.1,97.1,15.7]},
|
||
{name:'lstringa<40> e = "123456789012345678901234567890"; auto c{e};',data:[4.48,4.61,4.46,8.16,14.2]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs12"><h4><a id="bs21623892135774528620" href="#bs21623892135774528620">#</a> Find 9 symbols text in end of 99 symbols text</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">8.53</td><td class="benchmarkresult">7.74</td><td class="benchmarkresult">38.2</td><td class="benchmarkresult">46.3</td><td class="benchmarkresult">54.4</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">7.92</td><td class="benchmarkresult">6.68</td><td class="benchmarkresult">38.2</td><td class="benchmarkresult">45.0</td><td class="benchmarkresult">56.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">7.08</td><td class="benchmarkresult">6.45</td><td class="benchmarkresult">17.8</td><td class="benchmarkresult">25.5</td><td class="benchmarkresult">56.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">7.65</td><td class="benchmarkresult">6.78</td><td class="benchmarkresult">18.7</td><td class="benchmarkresult">34.4</td><td class="benchmarkresult">60.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20>::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">7.06</td><td class="benchmarkresult">6.95</td><td class="benchmarkresult">19.6</td><td class="benchmarkresult">34.1</td><td class="benchmarkresult">52.4</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<40>::find;<span class="tooltiptext code">template<typename T>
|
||
void Find(benchmark::State& state) {
|
||
T x{LONG_TEXT LONG_TEXT LONG_TEXT TEST_TEXT};
|
||
for (auto _: state) {
|
||
int i = (int)x.find(TEST_TEXT);
|
||
#ifdef CHECK_RESULT
|
||
if (i != 90) {
|
||
state.SkipWithError("not find?");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(i);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">6.79</td><td class="benchmarkresult">6.87</td><td class="benchmarkresult">17.5</td><td class="benchmarkresult">24.0</td><td class="benchmarkresult">51.0</td></tr>
|
||
</tbody></table></div><script>bench_sets['Find 9 symbols text in end of 99 symbols text'] = {id:'bs12', tests:[
|
||
{name:'std::string::find;',data:[8.53,7.74,38.2,46.3,54.4]},
|
||
{name:'std::string_view::find;',data:[7.92,6.68,38.2,45.0,56.9]},
|
||
{name:'ssa::find;',data:[7.08,6.45,17.8,25.5,56.5]},
|
||
{name:'stringa::find;',data:[7.65,6.78,18.7,34.4,60.3]},
|
||
{name:'lstringa<20>::find;',data:[7.06,6.95,19.6,34.1,52.4]},
|
||
{name:'lstringa<40>::find;',data:[6.79,6.87,17.5,24.0,51.0]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs13"><h4><a id="bs170792414351801782640" href="#bs170792414351801782640">#</a> Copy not literal Str with N symbols</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/15<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">4.98</td><td class="benchmarkresult">5.03</td><td class="benchmarkresult">1.80</td><td class="benchmarkresult">4.91</td><td class="benchmarkresult">34.4</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/16<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Явно виден скачок, где заканчивается SSO и начинается аллокация.
|
||
Обратите внимание, что WASM - 32-битный, и там размер
|
||
SSO у std::string меньше, насколько я помню, 11 символов + 0.
|
||
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.</span></span></td><td class="benchmarkresult">23.5</td><td class="benchmarkresult">23.7</td><td class="benchmarkresult">80.7</td><td class="benchmarkresult">107</td><td class="benchmarkresult">34.6</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/23<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Дальше просто добавляется время на копирование байтов.
|
||
Then the time for copying bytes is simply added.</span></span></td><td class="benchmarkresult">23.1</td><td class="benchmarkresult">23.2</td><td class="benchmarkresult">81.5</td><td class="benchmarkresult">100</td><td class="benchmarkresult">35.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/24<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">23.1</td><td class="benchmarkresult">23.2</td><td class="benchmarkresult">79.1</td><td class="benchmarkresult">104</td><td class="benchmarkresult">34.8</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/32<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">25.3</td><td class="benchmarkresult">25.6</td><td class="benchmarkresult">81.0</td><td class="benchmarkresult">108</td><td class="benchmarkresult">41.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/64<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">22.7</td><td class="benchmarkresult">24.7</td><td class="benchmarkresult">82.1</td><td class="benchmarkresult">113</td><td class="benchmarkresult">37.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/128<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">25.8</td><td class="benchmarkresult">25.9</td><td class="benchmarkresult">84.9</td><td class="benchmarkresult">104</td><td class="benchmarkresult">39.8</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/256<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">24.6</td><td class="benchmarkresult">25.5</td><td class="benchmarkresult">84.9</td><td class="benchmarkresult">110</td><td class="benchmarkresult">59.6</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/512<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">28.6</td><td class="benchmarkresult">29.8</td><td class="benchmarkresult">95.7</td><td class="benchmarkresult">110</td><td class="benchmarkresult">57.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/1024<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">47.0</td><td class="benchmarkresult">46.4</td><td class="benchmarkresult">95.9</td><td class="benchmarkresult">125</td><td class="benchmarkresult">59.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/2048<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">124</td><td class="benchmarkresult">124</td><td class="benchmarkresult">131</td><td class="benchmarkresult">150</td><td class="benchmarkresult">82.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string copy{str_with_len_N};/4096<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Чем длиннее строка, тем дольше создаётся копия.
|
||
The longer the string, the longer it takes to create a copy.</span></span></td><td class="benchmarkresult">168</td><td class="benchmarkresult">158</td><td class="benchmarkresult">175</td><td class="benchmarkresult">206</td><td class="benchmarkresult">111</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/15<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.10</td><td class="benchmarkresult">1.12</td><td class="benchmarkresult">1.31</td><td class="benchmarkresult">4.44</td><td class="benchmarkresult">2.54</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/16<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Под WASM SSO у stringa составляет 15 символов. Кроме того,
|
||
собиралось без поддержки потоков, поэтому атомарный
|
||
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.</span></span></td><td class="benchmarkresult">1.11</td><td class="benchmarkresult">1.13</td><td class="benchmarkresult">1.29</td><td class="benchmarkresult">4.43</td><td class="benchmarkresult">4.81</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/23<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1.12</td><td class="benchmarkresult">1.13</td><td class="benchmarkresult">1.29</td><td class="benchmarkresult">4.45</td><td class="benchmarkresult">4.84</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/24<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">15.8</td><td class="benchmarkresult">19.1</td><td class="benchmarkresult">4.89</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/32<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.0</td><td class="benchmarkresult">16.2</td><td class="benchmarkresult">16.0</td><td class="benchmarkresult">19.0</td><td class="benchmarkresult">4.85</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/64<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.6</td><td class="benchmarkresult">15.7</td><td class="benchmarkresult">19.0</td><td class="benchmarkresult">4.83</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/128<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.3</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">15.9</td><td class="benchmarkresult">18.9</td><td class="benchmarkresult">4.93</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/256<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.0</td><td class="benchmarkresult">19.2</td><td class="benchmarkresult">4.97</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/512<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">15.9</td><td class="benchmarkresult">18.9</td><td class="benchmarkresult">5.06</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/1024<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.2</td><td class="benchmarkresult">16.6</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">19.1</td><td class="benchmarkresult">4.81</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/2048<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16.2</td><td class="benchmarkresult">16.9</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">18.9</td><td class="benchmarkresult">4.86</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa copy{str_with_len_N};/4096<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">16.5</td><td class="benchmarkresult">16.5</td><td class="benchmarkresult">16.0</td><td class="benchmarkresult">19.1</td><td class="benchmarkresult">4.76</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/15<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">4.72</td><td class="benchmarkresult">4.44</td><td class="benchmarkresult">5.02</td><td class="benchmarkresult">8.49</td><td class="benchmarkresult">14.1</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/16<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">4.56</td><td class="benchmarkresult">4.46</td><td class="benchmarkresult">4.96</td><td class="benchmarkresult">8.68</td><td class="benchmarkresult">13.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/23<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">4.73</td><td class="benchmarkresult">4.53</td><td class="benchmarkresult">5.42</td><td class="benchmarkresult">9.22</td><td class="benchmarkresult">28.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/24<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">И после начинает вести себя при копировании, как std::string.
|
||
And then it starts to behave like std::string when copied.</span></span></td><td class="benchmarkresult">25.6</td><td class="benchmarkresult">26.9</td><td class="benchmarkresult">78.1</td><td class="benchmarkresult">95.6</td><td class="benchmarkresult">29.4</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/32<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">24.1</td><td class="benchmarkresult">23.8</td><td class="benchmarkresult">84.7</td><td class="benchmarkresult">103</td><td class="benchmarkresult">31.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/64<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">25.5</td><td class="benchmarkresult">25.6</td><td class="benchmarkresult">82.4</td><td class="benchmarkresult">104</td><td class="benchmarkresult">32.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/128<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">29.0</td><td class="benchmarkresult">27.1</td><td class="benchmarkresult">87.2</td><td class="benchmarkresult">109</td><td class="benchmarkresult">32.6</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/256<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">27.2</td><td class="benchmarkresult">30.6</td><td class="benchmarkresult">93.7</td><td class="benchmarkresult">706</td><td class="benchmarkresult">55.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/512<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">30.4</td><td class="benchmarkresult">30.0</td><td class="benchmarkresult">93.0</td><td class="benchmarkresult">108</td><td class="benchmarkresult">51.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/1024<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">105</td><td class="benchmarkresult">98.8</td><td class="benchmarkresult">99.6</td><td class="benchmarkresult">122</td><td class="benchmarkresult">54.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/2048<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">120</td><td class="benchmarkresult">118</td><td class="benchmarkresult">127</td><td class="benchmarkresult">149</td><td class="benchmarkresult">79.1</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> copy{str_with_len_N};/4096<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">134</td><td class="benchmarkresult">135</td><td class="benchmarkresult">198</td><td class="benchmarkresult">211</td><td class="benchmarkresult">106</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/15<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">4.93</td><td class="benchmarkresult">5.21</td><td class="benchmarkresult">4.94</td><td class="benchmarkresult">9.83</td><td class="benchmarkresult">15.4</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/16<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">5.05</td><td class="benchmarkresult">5.22</td><td class="benchmarkresult">4.93</td><td class="benchmarkresult">10.2</td><td class="benchmarkresult">15.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/23<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">5.29</td><td class="benchmarkresult">5.39</td><td class="benchmarkresult">4.71</td><td class="benchmarkresult">9.69</td><td class="benchmarkresult">15.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/24<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">5.07</td><td class="benchmarkresult">5.85</td><td class="benchmarkresult">4.87</td><td class="benchmarkresult">10.2</td><td class="benchmarkresult">15.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/32<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">4.54</td><td class="benchmarkresult">4.85</td><td class="benchmarkresult">7.69</td><td class="benchmarkresult">14.1</td><td class="benchmarkresult">18.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/64<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">6.08</td><td class="benchmarkresult">7.00</td><td class="benchmarkresult">7.79</td><td class="benchmarkresult">13.7</td><td class="benchmarkresult">17.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/128<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">6.39</td><td class="benchmarkresult">7.11</td><td class="benchmarkresult">8.68</td><td class="benchmarkresult">14.1</td><td class="benchmarkresult">18.1</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/256<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">8.42</td><td class="benchmarkresult">16.4</td><td class="benchmarkresult">9.48</td><td class="benchmarkresult">15.2</td><td class="benchmarkresult">20.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/512<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Даже 512 символов копируются быстрее, чем
|
||
одна аллокация или атомарный инкремент.
|
||
Even 512 characters are copied faster than a single
|
||
allocation or atomic increment.</span></span></td><td class="benchmarkresult">11.5</td><td class="benchmarkresult">10.6</td><td class="benchmarkresult">10.9</td><td class="benchmarkresult">16.7</td><td class="benchmarkresult">21.8</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/1024<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">А дальше уже как у всех.
|
||
And then it's like everyone else.</span></span></td><td class="benchmarkresult">94.1</td><td class="benchmarkresult">98.4</td><td class="benchmarkresult">98.5</td><td class="benchmarkresult">112</td><td class="benchmarkresult">52.9</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/2048<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">112</td><td class="benchmarkresult">117</td><td class="benchmarkresult">132</td><td class="benchmarkresult">153</td><td class="benchmarkresult">76.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> copy{str_with_len_N};/4096<span class="tooltiptext code">template<typename T>
|
||
void CopyDynString(benchmark::State& state) {
|
||
T x(state.range(0), 'a');
|
||
for (auto _: state) {
|
||
T copy{x};
|
||
benchmark::DoNotOptimize(copy);
|
||
benchmark::DoNotOptimize(x);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">129</td><td class="benchmarkresult">137</td><td class="benchmarkresult">199</td><td class="benchmarkresult">208</td><td class="benchmarkresult">105</td></tr>
|
||
</tbody></table></div><script>bench_sets['Copy not literal Str with N symbols'] = {id:'bs13', tests:[
|
||
{name:'std::string copy{str_with_len_N};/15',data:[4.98,5.03,1.80,4.91,34.4]},
|
||
{name:'std::string copy{str_with_len_N};/16',data:[23.5,23.7,80.7,107,34.6]},
|
||
{name:'std::string copy{str_with_len_N};/23',data:[23.1,23.2,81.5,100,35.2]},
|
||
{name:'std::string copy{str_with_len_N};/24',data:[23.1,23.2,79.1,104,34.8]},
|
||
{name:'std::string copy{str_with_len_N};/32',data:[25.3,25.6,81.0,108,41.2]},
|
||
{name:'std::string copy{str_with_len_N};/64',data:[22.7,24.7,82.1,113,37.9]},
|
||
{name:'std::string copy{str_with_len_N};/128',data:[25.8,25.9,84.9,104,39.8]},
|
||
{name:'std::string copy{str_with_len_N};/256',data:[24.6,25.5,84.9,110,59.6]},
|
||
{name:'std::string copy{str_with_len_N};/512',data:[28.6,29.8,95.7,110,57.3]},
|
||
{name:'std::string copy{str_with_len_N};/1024',data:[47.0,46.4,95.9,125,59.5]},
|
||
{name:'std::string copy{str_with_len_N};/2048',data:[124,124,131,150,82.2]},
|
||
{name:'std::string copy{str_with_len_N};/4096',data:[168,158,175,206,111]},
|
||
{name:'stringa copy{str_with_len_N};/15',data:[1.10,1.12,1.31,4.44,2.54]},
|
||
{name:'stringa copy{str_with_len_N};/16',data:[1.11,1.13,1.29,4.43,4.81]},
|
||
{name:'stringa copy{str_with_len_N};/23',data:[1.12,1.13,1.29,4.45,4.84]},
|
||
{name:'stringa copy{str_with_len_N};/24',data:[16.1,16.1,15.8,19.1,4.89]},
|
||
{name:'stringa copy{str_with_len_N};/32',data:[16.0,16.2,16.0,19.0,4.85]},
|
||
{name:'stringa copy{str_with_len_N};/64',data:[16.1,16.6,15.7,19.0,4.83]},
|
||
{name:'stringa copy{str_with_len_N};/128',data:[16.3,16.1,15.9,18.9,4.93]},
|
||
{name:'stringa copy{str_with_len_N};/256',data:[16.1,16.1,16.0,19.2,4.97]},
|
||
{name:'stringa copy{str_with_len_N};/512',data:[16.1,16.1,15.9,18.9,5.06]},
|
||
{name:'stringa copy{str_with_len_N};/1024',data:[16.2,16.6,16.1,19.1,4.81]},
|
||
{name:'stringa copy{str_with_len_N};/2048',data:[16.2,16.9,16.1,18.9,4.86]},
|
||
{name:'stringa copy{str_with_len_N};/4096',data:[16.5,16.5,16.0,19.1,4.76]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/15',data:[4.72,4.44,5.02,8.49,14.1]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/16',data:[4.56,4.46,4.96,8.68,13.9]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/23',data:[4.73,4.53,5.42,9.22,28.7]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/24',data:[25.6,26.9,78.1,95.6,29.4]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/32',data:[24.1,23.8,84.7,103,31.9]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/64',data:[25.5,25.6,82.4,104,32.0]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/128',data:[29.0,27.1,87.2,109,32.6]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/256',data:[27.2,30.6,93.7,706,55.0]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/512',data:[30.4,30.0,93.0,108,51.9]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/1024',data:[105,98.8,99.6,122,54.2]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/2048',data:[120,118,127,149,79.1]},
|
||
{name:'lstringa<16> copy{str_with_len_N};/4096',data:[134,135,198,211,106]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/15',data:[4.93,5.21,4.94,9.83,15.4]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/16',data:[5.05,5.22,4.93,10.2,15.5]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/23',data:[5.29,5.39,4.71,9.69,15.2]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/24',data:[5.07,5.85,4.87,10.2,15.0]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/32',data:[4.54,4.85,7.69,14.1,18.3]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/64',data:[6.08,7.00,7.79,13.7,17.7]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/128',data:[6.39,7.11,8.68,14.1,18.1]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/256',data:[8.42,16.4,9.48,15.2,20.7]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/512',data:[11.5,10.6,10.9,16.7,21.8]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/1024',data:[94.1,98.4,98.5,112,52.9]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/2048',data:[112,117,132,153,76.5]},
|
||
{name:'lstringa<512> copy{str_with_len_N};/4096',data:[129,137,199,208,105]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs14"><h4><a id="bs94756718925776995960" href="#bs94756718925776995960">#</a> Convert to int '1234567'</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);<span class="tooltiptext code">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
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">В simstr для конвертации в число достаточно куска строки,
|
||
нет нужды в null терминированности. Ближайший аналог такого
|
||
поведения "std::from_chars", но он к сожалению очень ограничен
|
||
по возможностям. Здесь я попытался произвести тесты, близкие по
|
||
логике к работе std::from_chars
|
||
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.</span></span></td><td class="benchmarkresult">26.8</td><td class="benchmarkresult">28.4</td><td class="benchmarkresult">31.8</td><td class="benchmarkresult">38.8</td><td class="benchmarkresult">73.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);<span class="tooltiptext code">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);
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">15.0</td><td class="benchmarkresult">12.5</td><td class="benchmarkresult">14.1</td><td class="benchmarkresult">16.2</td><td class="benchmarkresult">27.8</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa s = "123456789"; int res = s.to_int<int, true, 10, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">12.6</td><td class="benchmarkresult">9.33</td><td class="benchmarkresult">14.4</td><td class="benchmarkresult">17.3</td><td class="benchmarkresult">19.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa s = "123456789"; int res = s.to_int<int, true, 10, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">12.6</td><td class="benchmarkresult">8.06</td><td class="benchmarkresult">13.8</td><td class="benchmarkresult">17.5</td><td class="benchmarkresult">17.0</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">12.3</td><td class="benchmarkresult">8.31</td><td class="benchmarkresult">13.8</td><td class="benchmarkresult">17.4</td><td class="benchmarkresult">17.0</td></tr>
|
||
</tbody></table></div><script>bench_sets['Convert to int \'1234567\''] = {id:'bs14', tests:[
|
||
{name:'std::string s = "123456789"; int res = std::strtol(s.c_str(), 0, 10);',data:[26.8,28.4,31.8,38.8,73.0]},
|
||
{name:'std::string_view s = "123456789"; std::from_chars(s.data(), s.data() + s.size(), res, 10);',data:[15.0,12.5,14.1,16.2,27.8]},
|
||
{name:'stringa s = "123456789"; int res = s.to_int<int, true, 10, false>',data:[12.6,9.33,14.4,17.3,19.0]},
|
||
{name:'ssa s = "123456789"; int res = s.to_int<int, true, 10, false>',data:[12.6,8.06,13.8,17.5,17.0]},
|
||
{name:'lstringa<20> s = "123456789"; int res = s.to_int<int, true, 10, false>',data:[12.3,8.31,13.8,17.4,17.0]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs15"><h4><a id="bs182426078870126042750" href="#bs182426078870126042750">#</a> Convert to unsigned 'abcDef'</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);<span class="tooltiptext code">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
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Всё то же, только для 16ричной системы
|
||
Everything is the same, only for the hexadecimal system</span></span></td><td class="benchmarkresult">23.4</td><td class="benchmarkresult">23.7</td><td class="benchmarkresult">33.8</td><td class="benchmarkresult">40.8</td><td class="benchmarkresult">56.5</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);<span class="tooltiptext code">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);
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">9.80</td><td class="benchmarkresult">9.69</td><td class="benchmarkresult">8.36</td><td class="benchmarkresult">11.0</td><td class="benchmarkresult">28.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa s = "abcDef"; int res = s.to_int<int, true, 16, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">12.5</td><td class="benchmarkresult">8.60</td><td class="benchmarkresult">13.0</td><td class="benchmarkresult">15.6</td><td class="benchmarkresult">17.3</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa s = "abcDef"; int res = s.to_int<int, true, 16, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">12.6</td><td class="benchmarkresult">8.20</td><td class="benchmarkresult">12.4</td><td class="benchmarkresult">16.3</td><td class="benchmarkresult">16.2</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false><span class="tooltiptext code">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;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">13.0</td><td class="benchmarkresult">8.19</td><td class="benchmarkresult">12.3</td><td class="benchmarkresult">16.1</td><td class="benchmarkresult">16.7</td></tr>
|
||
</tbody></table></div><script>bench_sets['Convert to unsigned \'abcDef\''] = {id:'bs15', tests:[
|
||
{name:'std::string s = "abcDef"; int res = std::strtol(s.c_str(), 0, 16);',data:[23.4,23.7,33.8,40.8,56.5]},
|
||
{name:'std::string_view s = "abcDef"; std::from_chars(s.data(), s.data() + s.size(), res, 16);',data:[9.80,9.69,8.36,11.0,28.3]},
|
||
{name:'stringa s = "abcDef"; int res = s.to_int<int, true, 16, false>',data:[12.5,8.60,13.0,15.6,17.3]},
|
||
{name:'ssa s = "abcDef"; int res = s.to_int<int, true, 16, false>',data:[12.6,8.20,12.4,16.3,16.2]},
|
||
{name:'lstringa<20> s = "abcDef"; int res = s.to_int<int, true, 16, false>',data:[13.0,8.19,12.3,16.1,16.7]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs16"><h4><a id="bs52606100125109966680" href="#bs52606100125109966680">#</a> Convert to int ' 1234567'</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);<span class="tooltiptext code">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
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">А здесь уже парсинг произвольного числа.
|
||
And here we have parsing of an arbitrary number.</span></span></td><td class="benchmarkresult">29.7</td><td class="benchmarkresult">28.5</td><td class="benchmarkresult">45.7</td><td class="benchmarkresult">54.1</td><td class="benchmarkresult">77.7</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow<span class="tooltiptext code">template<typename T>
|
||
void ToIntSimStr0(benchmark::State& state, T t, int c) {
|
||
for (auto _: state) {
|
||
int res = t. template to_int<int>().value;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">18.3</td><td class="benchmarkresult">15.0</td><td class="benchmarkresult">19.5</td><td class="benchmarkresult">22.6</td><td class="benchmarkresult">24.6</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow<span class="tooltiptext code">void ToIntNoOverflow(benchmark::State& state, ssa t, int c) {
|
||
for (auto _: state) {
|
||
int res = t.to_int<int, false>().value;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">15.0</td><td class="benchmarkresult">10.8</td><td class="benchmarkresult">15.9</td><td class="benchmarkresult">18.5</td><td class="benchmarkresult">23.6</td></tr>
|
||
</tbody></table></div><script>bench_sets['Convert to int \' 1234567\''] = {id:'bs16', tests:[
|
||
{name:'std::string s = " 123456789"; int res = std::strtol(s.c_str(), 0, 0);',data:[29.7,28.5,45.7,54.1,77.7]},
|
||
{name:'stringa s = " 123456789"; int res = s.to_int<int>; // Check overflow',data:[18.3,15.0,19.5,22.6,24.6]},
|
||
{name:'ssa s = " 123456789"; int res = s.to_int<int, false>; // No check overflow',data:[15.0,10.8,15.9,18.5,23.6]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs17"><h4><a id="bs182348477702821075660" href="#bs182348477702821075660">#</a> Convert to double '1234.567e10'</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);<span class="tooltiptext code">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);
|
||
if (ptr == s.c_str()) {
|
||
state.SkipWithError("not equal");
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">64.7</td><td class="benchmarkresult">65.2</td><td class="benchmarkresult">104</td><td class="benchmarkresult">118</td><td class="benchmarkresult">196</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);<span class="tooltiptext code">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{}) {
|
||
state.SkipWithError("not equal");
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">27.5</td><td class="benchmarkresult">25.6</td><td class="benchmarkresult">62.1</td><td class="benchmarkresult">95.8</td><td class="benchmarkresult">106</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa s = "1234.567e10"; double res = *s.to_double()<span class="tooltiptext code">template<typename T>
|
||
void ToDoubleSimStr(benchmark::State& state, T t, double c) {
|
||
for (auto _: state) {
|
||
auto r = t.template to_double<false>();
|
||
if (!r) {
|
||
state.SkipWithError("not equal");
|
||
}
|
||
double res = *r;
|
||
#ifdef CHECK_RESULT
|
||
if (res != c) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
benchmark::DoNotOptimize(t);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">26.1</td><td class="benchmarkresult">24.8</td><td class="benchmarkresult">35.8</td><td class="benchmarkresult">41.0</td><td class="benchmarkresult">43.1</td></tr>
|
||
</tbody></table></div><script>bench_sets['Convert to double \'1234.567e10\''] = {id:'bs17', tests:[
|
||
{name:'std::string s = "1234.567e10"; double res = std::strtod(s.c_str(), nullptr);',data:[64.7,65.2,104,118,196]},
|
||
{name:'std::string_view s = "1234.567e10"; std::from_chars(s.data(), s.data() + s.size(), res);',data:[27.5,25.6,62.1,95.8,106]},
|
||
{name:'ssa s = "1234.567e10"; double res = *s.to_double()',data:[26.1,24.8,35.8,41.0,43.1]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs18"><h4><a id="bs96505608161678391610" href="#bs96505608161678391610">#</a> Append const literal of 16 bytes 64 times, 1024 total length</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::stringstream str; ... str << "abbaabbaabbaabba";<span class="tooltiptext code">void AppendStreamConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
std::string result;
|
||
std::stringstream str;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
str << TEXT_16;
|
||
}
|
||
result = str.str();
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(str);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1587</td><td class="benchmarkresult">1362</td><td class="benchmarkresult">5448</td><td class="benchmarkresult">7262</td><td class="benchmarkresult">4557</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str; ... str += "abbaabbaabbaabba";<span class="tooltiptext code">void AppendStdStringConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
std::string result;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
result += TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">378</td><td class="benchmarkresult">368</td><td class="benchmarkresult">1058</td><td class="benchmarkresult">1589</td><td class="benchmarkresult">598</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<8> str; ... str += "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
result += TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">402</td><td class="benchmarkresult">399</td><td class="benchmarkresult">784</td><td class="benchmarkresult">1249</td><td class="benchmarkresult">705</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<128> str; ... str += "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
result += TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">264</td><td class="benchmarkresult">274</td><td class="benchmarkresult">397</td><td class="benchmarkresult">639</td><td class="benchmarkresult">564</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> str; ... str += "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
result += TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">257</td><td class="benchmarkresult">254</td><td class="benchmarkresult">241</td><td class="benchmarkresult">511</td><td class="benchmarkresult">472</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<1024> str; ... str += "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringConstLiteral(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 64; c++) {
|
||
result += TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">157</td><td class="benchmarkresult">139</td><td class="benchmarkresult">152</td><td class="benchmarkresult">255</td><td class="benchmarkresult">396</td></tr>
|
||
</tbody></table></div><script>bench_sets['Append const literal of 16 bytes 64 times, 1024 total length'] = {id:'bs18', tests:[
|
||
{name:'std::stringstream str; ... str << "abbaabbaabbaabba";',data:[1587,1362,5448,7262,4557]},
|
||
{name:'std::string str; ... str += "abbaabbaabbaabba";',data:[378,368,1058,1589,598]},
|
||
{name:'lstringa<8> str; ... str += "abbaabbaabbaabba";',data:[402,399,784,1249,705]},
|
||
{name:'lstringa<128> str; ... str += "abbaabbaabbaabba";',data:[264,274,397,639,564]},
|
||
{name:'lstringa<512> str; ... str += "abbaabbaabbaabba";',data:[257,254,241,511,472]},
|
||
{name:'lstringa<1024> str; ... str += "abbaabbaabbaabba";',data:[157,139,152,255,396]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs19"><h4><a id="bs36931044816721597850" href="#bs36931044816721597850">#</a> Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::stringstream str; ... str << str_var << "abbaabbaabbaabba";<span class="tooltiptext code">void AppendStreamStrConstLiteral(benchmark::State& state) {
|
||
std::string s1 = TEXT_16;
|
||
for (auto _: state) {
|
||
std::string result;
|
||
std::stringstream s;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
s << s1 << TEXT_16;
|
||
}
|
||
result = s.str();
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1441</td><td class="benchmarkresult">1381</td><td class="benchmarkresult">4534</td><td class="benchmarkresult">6865</td><td class="benchmarkresult">4433</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str; ... str += str_var + "abbaabbaabbaabba";<span class="tooltiptext code">void AppendStdStrStrConstLiteral(benchmark::State& state) {
|
||
std::string p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
std::string result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1266</td><td class="benchmarkresult">1279</td><td class="benchmarkresult">3803</td><td class="benchmarkresult">4507</td><td class="benchmarkresult">1926</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteral(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">482</td><td class="benchmarkresult">475</td><td class="benchmarkresult">698</td><td class="benchmarkresult">1082</td><td class="benchmarkresult">804</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteral(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">366</td><td class="benchmarkresult">413</td><td class="benchmarkresult">446</td><td class="benchmarkresult">664</td><td class="benchmarkresult">726</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteral(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">325</td><td class="benchmarkresult">323</td><td class="benchmarkresult">293</td><td class="benchmarkresult">538</td><td class="benchmarkresult">597</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteral(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">235</td><td class="benchmarkresult">243</td><td class="benchmarkresult">205</td><td class="benchmarkresult">319</td><td class="benchmarkresult">523</td></tr>
|
||
</tbody></table></div><script>bench_sets['Append string of 16 bytes and const literal of 16 bytes 32 times, 1024 total length'] = {id:'bs19', tests:[
|
||
{name:'std::stringstream str; ... str << str_var << "abbaabbaabbaabba";',data:[1441,1381,4534,6865,4433]},
|
||
{name:'std::string str; ... str += str_var + "abbaabbaabbaabba";',data:[1266,1279,3803,4507,1926]},
|
||
{name:'lstringa<8> str; ... str += str_var + "abbaabbaabbaabba";',data:[482,475,698,1082,804]},
|
||
{name:'lstringa<128> str; ... str += str_var + "abbaabbaabbaabba";',data:[366,413,446,664,726]},
|
||
{name:'lstringa<512> str; ... str += str_var + "abbaabbaabbaabba";',data:[325,323,293,538,597]},
|
||
{name:'lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba";',data:[235,243,205,319,523]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs20"><h4><a id="bs8293767858383349360" href="#bs8293767858383349360">#</a> Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">void AppendStreamStrConstLiteralBig(benchmark::State& state) {
|
||
std::string s1 = TEXT_16;
|
||
for (auto _: state) {
|
||
std::string result;
|
||
std::stringstream s;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
s << s1 << TEXT_16;
|
||
}
|
||
result = s.str();
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">75359</td><td class="benchmarkresult">75087</td><td class="benchmarkresult">226006</td><td class="benchmarkresult">323116</td><td class="benchmarkresult">218832</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">void AppendStdStrStrConstLiteralBig(benchmark::State& state) {
|
||
std::string p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
std::string result;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">75620</td><td class="benchmarkresult">74728</td><td class="benchmarkresult">202060</td><td class="benchmarkresult">236019</td><td class="benchmarkresult">104650</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteralBig(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">18777</td><td class="benchmarkresult">20069</td><td class="benchmarkresult">18025</td><td class="benchmarkresult">26277</td><td class="benchmarkresult">39563</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteralBig(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">20186</td><td class="benchmarkresult">19059</td><td class="benchmarkresult">16217</td><td class="benchmarkresult">24737</td><td class="benchmarkresult">38589</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteralBig(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">16028</td><td class="benchmarkresult">17233</td><td class="benchmarkresult">15826</td><td class="benchmarkresult">23810</td><td class="benchmarkresult">37622</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstringStrConstLiteralBig(benchmark::State& state) {
|
||
stringa p1 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 2048; c++) {
|
||
result += p1 + TEXT_16;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024 * 64) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(p1);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">15798</td><td class="benchmarkresult">17586</td><td class="benchmarkresult">16177</td><td class="benchmarkresult">24103</td><td class="benchmarkresult">38473</td></tr>
|
||
</tbody></table></div><script>bench_sets['Append string of 16 bytes and const literal of 16 bytes 2048 times, 65536 total length'] = {id:'bs20', tests:[
|
||
{name:'std::stringstream str; ... str << str_var << "abbaabbaabbaabba"; 2048 times',data:[75359,75087,226006,323116,218832]},
|
||
{name:'std::string str; ... str += str_var + "abbaabbaabbaabba"; 2048 times',data:[75620,74728,202060,236019,104650]},
|
||
{name:'lstringa<8> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times',data:[18777,20069,18025,26277,39563]},
|
||
{name:'lstringa<128> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times',data:[20186,19059,16217,24737,38589]},
|
||
{name:'lstringa<512> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times',data:[16028,17233,15826,23810,37622]},
|
||
{name:'lstringa<1024> str; ... str += str_var + "abbaabbaabbaabba"; 2048 times',data:[15798,17586,16177,24103,38473]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs21"><h4><a id="bs66949588770596833730" href="#bs66949588770596833730">#</a> Append 2 string of 16 bytes 32 times, 1024 total length</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::stringstream str; ... str << str_var1 << str_var2;<span class="tooltiptext code">void AppendStream2String(benchmark::State& state) {
|
||
std::string s1 = TEXT_16;
|
||
std::string s2 = TEXT_16;
|
||
for (auto _: state) {
|
||
std::string result;
|
||
std::stringstream s;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
s << s1 << s2;
|
||
}
|
||
result = s.str();
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1439</td><td class="benchmarkresult">1393</td><td class="benchmarkresult">4604</td><td class="benchmarkresult">6233</td><td class="benchmarkresult">4648</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str; ... str += str_var1 + str_var2;<span class="tooltiptext code">void AppendStdStr2String(benchmark::State& state) {
|
||
std::string s1 = TEXT_16;
|
||
std::string s2 = TEXT_16;
|
||
|
||
for (auto _: state) {
|
||
std::string result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += s1 + s2;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.size() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1398</td><td class="benchmarkresult">1436</td><td class="benchmarkresult">3797</td><td class="benchmarkresult">4436</td><td class="benchmarkresult">2346</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<16> str; ... str += str_var1 + str_var2;<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstring2String(benchmark::State& state) {
|
||
stra s1 = TEXT_16;
|
||
stra s2 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += s1 + s2;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">540</td><td class="benchmarkresult">560</td><td class="benchmarkresult">813</td><td class="benchmarkresult">1198</td><td class="benchmarkresult">1150</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<128> str; ... str += str_var1 + str_var2;<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstring2String(benchmark::State& state) {
|
||
stra s1 = TEXT_16;
|
||
stra s2 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += s1 + s2;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">465</td><td class="benchmarkresult">446</td><td class="benchmarkresult">527</td><td class="benchmarkresult">673</td><td class="benchmarkresult">1100</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<512> str; ... str += str_var1 + str_var2;<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstring2String(benchmark::State& state) {
|
||
stra s1 = TEXT_16;
|
||
stra s2 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += s1 + s2;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">398</td><td class="benchmarkresult">400</td><td class="benchmarkresult">381</td><td class="benchmarkresult">595</td><td class="benchmarkresult">934</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<1024> str; ... str += str_var1 + str_var2;<span class="tooltiptext code">template<unsigned N>
|
||
void AppendLstring2String(benchmark::State& state) {
|
||
stra s1 = TEXT_16;
|
||
stra s2 = TEXT_16;
|
||
for (auto _: state) {
|
||
lstringa<N> result;
|
||
for (size_t c = 0; c < 32; c++) {
|
||
result += s1 + s2;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result.length() != 1024) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(s1);
|
||
benchmark::DoNotOptimize(s2);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">323</td><td class="benchmarkresult">307</td><td class="benchmarkresult">278</td><td class="benchmarkresult">399</td><td class="benchmarkresult">867</td></tr>
|
||
</tbody></table></div><script>bench_sets['Append 2 string of 16 bytes 32 times, 1024 total length'] = {id:'bs21', tests:[
|
||
{name:'std::stringstream str; ... str << str_var1 << str_var2;',data:[1439,1393,4604,6233,4648]},
|
||
{name:'std::string str; ... str += str_var1 + str_var2;',data:[1398,1436,3797,4436,2346]},
|
||
{name:'lstringa<16> str; ... str += str_var1 + str_var2;',data:[540,560,813,1198,1150]},
|
||
{name:'lstringa<128> str; ... str += str_var1 + str_var2;',data:[465,446,527,673,1100]},
|
||
{name:'lstringa<512> str; ... str += str_var1 + str_var2;',data:[398,400,381,595,934]},
|
||
{name:'lstringa<1024> str; ... str += str_var1 + str_var2;',data:[323,307,278,399,867]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs22"><h4><a id="bs130432147582115154460" href="#bs130432147582115154460">#</a> Append text, number, text</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::stringstream str; str << "test = " << k << " times";<span class="tooltiptext code">void AppendStreamStrNumStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
std::stringstream t;
|
||
t << "test = " << k << " times";
|
||
std::string result = t.str();
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">3053</td><td class="benchmarkresult">3076</td><td class="benchmarkresult">10665</td><td class="benchmarkresult">13240</td><td class="benchmarkresult">6486</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str = "test = " + std::to_string(k) + " times";<span class="tooltiptext code">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";
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">479</td><td class="benchmarkresult">470</td><td class="benchmarkresult">1052</td><td class="benchmarkresult">1404</td><td class="benchmarkresult">1576</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;<span class="tooltiptext code">void AppendSprintfStrNumStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
char buf[100];
|
||
std::sprintf(buf, "test = %u times", k);
|
||
std::string result = buf;
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1412</td><td class="benchmarkresult">1714</td><td class="benchmarkresult">2789</td><td class="benchmarkresult">3209</td><td class="benchmarkresult">2894</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string str = std::format("test = {} times", k);<span class="tooltiptext code">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);
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1208</td><td class="benchmarkresult">1289</td><td class="benchmarkresult">1904</td><td class="benchmarkresult">2539</td><td class="benchmarkresult">2063</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<8> str; str.format("test = {} times", k);<span class="tooltiptext code">template<typename T>
|
||
void AppendSimStrStrNumStrF(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
T result;
|
||
result.format("test = {} times", k);
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">1379</td><td class="benchmarkresult">1588</td><td class="benchmarkresult">2168</td><td class="benchmarkresult">3193</td><td class="benchmarkresult">3409</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<32> str; str.format("test = {} times", k);<span class="tooltiptext code">template<typename T>
|
||
void AppendSimStrStrNumStrF(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
T result;
|
||
result.format("test = {} times", k);
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">А в такую помещается. Используйте сразу буфера подходящего размера.
|
||
And it fits in this one. Use buffers of the appropriate size right away.</span></span></td><td class="benchmarkresult">1079</td><td class="benchmarkresult">1059</td><td class="benchmarkresult">1029</td><td class="benchmarkresult">1659</td><td class="benchmarkresult">2460</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<8> str = "test = " + k + " times";<span class="tooltiptext code">template<typename T>
|
||
void AppendSimStrStrNumStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
T result = "test = "_ss + k + " times";
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Результат не помещается в SSO, возникает аллокация.
|
||
The result does not fit into SSO, an allocation occurs.</span></span></td><td class="benchmarkresult">313</td><td class="benchmarkresult">332</td><td class="benchmarkresult">807</td><td class="benchmarkresult">975</td><td class="benchmarkresult">611</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">lstringa<32> str = "test = " + k + " times";<span class="tooltiptext code">template<typename T>
|
||
void AppendSimStrStrNumStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
T result = "test = "_ss + k + " times";
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">154</td><td class="benchmarkresult">160</td><td class="benchmarkresult">155</td><td class="benchmarkresult">217</td><td class="benchmarkresult">345</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">stringa str = "test = " + k + " times";<span class="tooltiptext code">template<typename T>
|
||
void AppendSimStrStrNumStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
for (unsigned k = 1; k <= 1'000'000'000; k *= 10) {
|
||
T result = "test = "_ss + k + " times";
|
||
#ifdef CHECK_RESULT
|
||
if (!result.starts_with("test = ") || !result.ends_with(" times")) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(k);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">145</td><td class="benchmarkresult">167</td><td class="benchmarkresult">151</td><td class="benchmarkresult">276</td><td class="benchmarkresult">541</td></tr>
|
||
</tbody></table></div><script>bench_sets['Append text, number, text'] = {id:'bs22', tests:[
|
||
{name:'std::stringstream str; str << "test = " << k << " times";',data:[3053,3076,10665,13240,6486]},
|
||
{name:'std::string str = "test = " + std::to_string(k) + " times";',data:[479,470,1052,1404,1576]},
|
||
{name:'char buf[100]; sprintf(buf, "test = %u times", k); std::string str = buf;',data:[1412,1714,2789,3209,2894]},
|
||
{name:'std::string str = std::format("test = {} times", k);',data:[1208,1289,1904,2539,2063]},
|
||
{name:'lstringa<8> str; str.format("test = {} times", k);',data:[1379,1588,2168,3193,3409]},
|
||
{name:'lstringa<32> str; str.format("test = {} times", k);',data:[1079,1059,1029,1659,2460]},
|
||
{name:'lstringa<8> str = "test = " + k + " times";',data:[313,332,807,975,611]},
|
||
{name:'lstringa<32> str = "test = " + k + " times";',data:[154,160,155,217,345]},
|
||
{name:'stringa str = "test = " + k + " times";',data:[145,167,151,276,541]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs23"><h4><a id="bs7106975351756760120" href="#bs7106975351756760120">#</a> Split text and convert to int</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::string::find + substr + std::strtol<span class="tooltiptext code">void SplitConvertIntStdString(benchmark::State& state) {
|
||
std::string numbers = NUMBER_LIST;
|
||
for (auto _: state) {
|
||
int total = 0;
|
||
for (size_t start = 0; start < numbers.length(); ) {
|
||
int delim = numbers.find("-!-", start);
|
||
if (delim == std::string::npos) {
|
||
delim = numbers.size();
|
||
}
|
||
std::string part = numbers.substr(start, delim - start);
|
||
total += std::strtol(part.c_str(), nullptr, 0);
|
||
start = delim + 3;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (total != 218) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(total);
|
||
benchmark::DoNotOptimize(numbers);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">283</td><td class="benchmarkresult">271</td><td class="benchmarkresult">539</td><td class="benchmarkresult">633</td><td class="benchmarkresult">609</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa::splitter + ssa::as_int<span class="tooltiptext code">void SplitConvertIntSimStr(benchmark::State& state) {
|
||
stra numbers = NUMBER_LIST;
|
||
for (auto _: state) {
|
||
int total = 0;
|
||
for (auto splitter = numbers.splitter("-!-"); !splitter.is_done();) {
|
||
total += splitter.next().as_int<int>();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (total != 218) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(total);
|
||
benchmark::DoNotOptimize(numbers);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">159</td><td class="benchmarkresult">133</td><td class="benchmarkresult">173</td><td class="benchmarkresult">329</td><td class="benchmarkresult">269</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">ssa::splitf + functor<span class="tooltiptext code">void SplitConvertIntSplitf(benchmark::State& state) {
|
||
stra numbers = NUMBER_LIST;
|
||
for (auto _: state) {
|
||
int total = 0;
|
||
numbers.splitf<void>("-!-", [&](ssa& part){total += part.as_int<int>();});
|
||
#ifdef CHECK_RESULT
|
||
if (total != 218) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(total);
|
||
benchmark::DoNotOptimize(numbers);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">204</td><td class="benchmarkresult">131</td><td class="benchmarkresult">191</td><td class="benchmarkresult">240</td><td class="benchmarkresult">338</td></tr>
|
||
</tbody></table></div><script>bench_sets['Split text and convert to int'] = {id:'bs23', tests:[
|
||
{name:'std::string::find + substr + std::strtol',data:[283,271,539,633,609]},
|
||
{name:'ssa::splitter + ssa::as_int',data:[159,133,173,329,269]},
|
||
{name:'ssa::splitf + functor',data:[204,131,191,240,338]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs24"><h4><a id="bs151373809886162287550" href="#bs151373809886162287550">#</a> Replace symbols in text ~400 symbols</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Naive (and wrong) replace symbols with std::string find + replace<span class="tooltiptext code">void ReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
std::vector<std::pair<u8s, std::string_view>> repl = {
|
||
{'&', "&amp;"},
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"}
|
||
};
|
||
|
||
auto repl_all = [](std::string& str, char s, std::string_view repl) {
|
||
size_t start_pos = 0;
|
||
while((start_pos = str.find(s, start_pos)) != std::string::npos) {
|
||
str.replace(start_pos, 1, repl);
|
||
start_pos += repl.length();
|
||
}
|
||
};
|
||
for (auto _: state) {
|
||
std::string result{source};
|
||
for (const auto& r : repl) {
|
||
repl_all(result, r.first, r.second);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Это наивная реализация, которая неверно отработает на
|
||
таких заменах, как 'a'->'b' и 'b'->'a'. Но если замены не конфликтуют,
|
||
то работает быстро.
|
||
This is a naive implementation that will fail to handle substitutions
|
||
such as 'a'->'b' and 'b'->'a'. But if the substitutions don't conflict,
|
||
it works quickly.</span></span></td><td class="benchmarkresult">848</td><td class="benchmarkresult">845</td><td class="benchmarkresult">1185</td><td class="benchmarkresult">1428</td><td class="benchmarkresult">3726</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace symbols with std::string find_first_of + replace<span class="tooltiptext code">void ReplaceSymbolsStdStringNaiveRight(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
std::vector<std::pair<u8s, std::string_view>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
std::string result{source};
|
||
std::string pattern;
|
||
for (const auto& r : repl) {
|
||
pattern += r.first;
|
||
}
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find_first_of(pattern, start_pos)) != std::string::npos) {
|
||
size_t idx = pattern.find(result[start_pos]);
|
||
result.replace(start_pos, 1, repl[idx].second);
|
||
start_pos += repl[idx].second.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Дальше уже правильные реализации, не зависящие от конфликтующих замен.
|
||
Further, there are correct implementations that do not depend on
|
||
conflicting replacements.</span></span></td><td class="benchmarkresult">2432</td><td class="benchmarkresult">2401</td><td class="benchmarkresult">2165</td><td class="benchmarkresult">2443</td><td class="benchmarkresult">5016</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace symbols with std::string_view find_first_of + copy<span class="tooltiptext code">void ReplaceSymbolsStdString(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
|
||
const std::string_view repl_from = "-<>'\"&";
|
||
const std::string_view repl_to[] = {"", "&lt;", "&gt;", "&#39;", "&quot;", "&amp;"};
|
||
|
||
for (auto _: state) {
|
||
std::string result;
|
||
|
||
for (size_t start = 0; start < source.size();) {
|
||
size_t idx = source.find_first_of(repl_from, start);
|
||
if (idx == std::string::npos) {
|
||
result += source.substr(start);
|
||
break;
|
||
}
|
||
if (idx > start) {
|
||
result += source.substr(start, idx - start);
|
||
}
|
||
size_t what = repl_from.find(source[idx]);
|
||
result += repl_to[what];
|
||
|
||
start = idx + 1;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1070</td><td class="benchmarkresult">1157</td><td class="benchmarkresult">2298</td><td class="benchmarkresult">2948</td><td class="benchmarkresult">3479</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace runtime symbols with string expressions and without remembering all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
|
||
std::vector<std::pair<u8s, ssa>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
stringa result = expr_replace_symbols<u8s, UseVector>{source, repl};
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1309</td><td class="benchmarkresult">1495</td><td class="benchmarkresult">1439</td><td class="benchmarkresult">1804</td><td class="benchmarkresult">3472</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace runtime symbols with simstr and memorization of all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ReplaceSymbolsDynPatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
|
||
std::vector<std::pair<u8s, ssa>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
stringa result = expr_replace_symbols<u8s, UseVector>{source, repl};
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1066</td><td class="benchmarkresult">1055</td><td class="benchmarkresult">1270</td><td class="benchmarkresult">1612</td><td class="benchmarkresult">3043</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace const symbols with string expressions and without remembering all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl_const_symbols<UseVector>(source,
|
||
'-', "",
|
||
'<', "&lt;",
|
||
'>', "&gt;",
|
||
'\'', "&#39;",
|
||
'\"', "&quot;",
|
||
'&', "&amp;"
|
||
);
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1030</td><td class="benchmarkresult">1238</td><td class="benchmarkresult">1135</td><td class="benchmarkresult">1441</td><td class="benchmarkresult">2845</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace const symbols with string expressions and memorization of all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ReplaceSymbolsCons2PatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
" ksjd-fksjd \"dkjfs-jkhdf dfj ' kdkd \"dkfdkfkdjf"
|
||
;
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl_const_symbols<UseVector>(source,
|
||
'-', "",
|
||
'<', "&lt;",
|
||
'>', "&gt;",
|
||
'\'', "&#39;",
|
||
'\"', "&quot;",
|
||
'&', "&amp;"
|
||
);
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
" ksjdfksjd &quot;dkjfsjkhdf dfj &#39; kdkd &quot;dkfdkfkdjf"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">898</td><td class="benchmarkresult">872</td><td class="benchmarkresult">1210</td><td class="benchmarkresult">1438</td><td class="benchmarkresult">2739</td></tr>
|
||
</tbody></table></div><script>bench_sets['Replace symbols in text ~400 symbols'] = {id:'bs24', tests:[
|
||
{name:'Naive (and wrong) replace symbols with std::string find + replace',data:[848,845,1185,1428,3726]},
|
||
{name:'replace symbols with std::string find_first_of + replace',data:[2432,2401,2165,2443,5016]},
|
||
{name:'replace symbols with std::string_view find_first_of + copy',data:[1070,1157,2298,2948,3479]},
|
||
{name:'replace runtime symbols with string expressions and without remembering all search results',data:[1309,1495,1439,1804,3472]},
|
||
{name:'replace runtime symbols with simstr and memorization of all search results',data:[1066,1055,1270,1612,3043]},
|
||
{name:'replace const symbols with string expressions and without remembering all search results',data:[1030,1238,1135,1441,2845]},
|
||
{name:'replace const symbols with string expressions and memorization of all search results',data:[898,872,1210,1438,2739]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs25"><h4><a id="bs96756339547767401190" href="#bs96756339547767401190">#</a> Replace symbols in text ~40 symbols</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short Naive (and wrong) replace symbols with std::string find + replace<span class="tooltiptext code">void ShortReplaceSymbolsStdStringNaiveWrong(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
std::vector<std::pair<u8s, std::string_view>> repl = {
|
||
{'&', "&amp;"},
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"}
|
||
};
|
||
|
||
auto repl_all = [](std::string& str, char s, std::string_view repl) {
|
||
size_t start_pos = 0;
|
||
while((start_pos = str.find(s, start_pos)) != std::string::npos) {
|
||
str.replace(start_pos, 1, repl);
|
||
start_pos += repl.length();
|
||
}
|
||
};
|
||
for (auto _: state) {
|
||
std::string result{source};
|
||
for (const auto& r : repl) {
|
||
repl_all(result, r.first, r.second);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">155</td><td class="benchmarkresult">175</td><td class="benchmarkresult">321</td><td class="benchmarkresult">384</td><td class="benchmarkresult">470</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace symbols with std::string find_first_of + replace<span class="tooltiptext code">void ShortReplaceSymbolsStdStringNaiveRight(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
std::vector<std::pair<u8s, std::string_view>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
std::string result{source};
|
||
std::string pattern;
|
||
for (const auto& r : repl) {
|
||
pattern += r.first;
|
||
}
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find_first_of(pattern, start_pos)) != std::string::npos) {
|
||
size_t idx = pattern.find(result[start_pos]);
|
||
result.replace(start_pos, 1, repl[idx].second);
|
||
start_pos += repl[idx].second.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">337</td><td class="benchmarkresult">319</td><td class="benchmarkresult">385</td><td class="benchmarkresult">475</td><td class="benchmarkresult">494</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace symbols with std::string_view find_first_of + copy<span class="tooltiptext code">void ShortReplaceSymbolsStdString(benchmark::State& state) {
|
||
std::string_view source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
|
||
const std::string_view repl_from = "-<>'\"&";
|
||
const std::string_view repl_to[] = {"", "&lt;", "&gt;", "&#39;", "&quot;", "&amp;"};
|
||
|
||
for (auto _: state) {
|
||
std::string result;
|
||
|
||
for (size_t start = 0; start < source.size();) {
|
||
size_t idx = source.find_first_of(repl_from, start);
|
||
if (idx == std::string::npos) {
|
||
result += source.substr(start);
|
||
break;
|
||
}
|
||
if (idx > start) {
|
||
result += source.substr(start, idx - start);
|
||
}
|
||
size_t what = repl_from.find_first_of(source[idx]);
|
||
result += repl_to[what];
|
||
|
||
start = idx + 1;
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">164</td><td class="benchmarkresult">183</td><td class="benchmarkresult">330</td><td class="benchmarkresult">388</td><td class="benchmarkresult">413</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace runtime symbols with string expressions and without remembering all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
|
||
std::vector<std::pair<u8s, ssa>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
stringa result = expr_replace_symbols<u8s, UseVector>{source, repl};
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">193</td><td class="benchmarkresult">225</td><td class="benchmarkresult">269</td><td class="benchmarkresult">302</td><td class="benchmarkresult">380</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace runtime symbols with simstr and memorization of all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ShortReplaceSymbolsDynPatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
|
||
std::vector<std::pair<u8s, ssa>> repl = {
|
||
{'-', ""},
|
||
{'<', "&lt;"},
|
||
{'>', "&gt;"},
|
||
{'\'', "&#39;"},
|
||
{'\"', "&quot;"},
|
||
{'&', "&amp;"},
|
||
};
|
||
|
||
for (auto _: state) {
|
||
stringa result = expr_replace_symbols<u8s, UseVector>{source, repl};
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">205</td><td class="benchmarkresult">206</td><td class="benchmarkresult">348</td><td class="benchmarkresult">434</td><td class="benchmarkresult">401</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace const symbols with string expressions and without remembering all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl_const_symbols<UseVector>(source,
|
||
'-', "",
|
||
'<', "&lt;",
|
||
'>', "&gt;",
|
||
'\'', "&#39;",
|
||
'\"', "&quot;",
|
||
'&', "&amp;"
|
||
);
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">139</td><td class="benchmarkresult">162</td><td class="benchmarkresult">232</td><td class="benchmarkresult">260</td><td class="benchmarkresult">257</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Short replace const symbols with string expressions and memorization of all search results<span class="tooltiptext code">template<bool UseVector>
|
||
void ShortReplaceSymbolsCons2PatternSimStr(benchmark::State& state) {
|
||
stra source =
|
||
"abcdefg124 < jhsfjsh sjdfsh jfhjd && jdjdj >"
|
||
;
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl_const_symbols<UseVector>(source,
|
||
'-', "",
|
||
'<', "&lt;",
|
||
'>', "&gt;",
|
||
'\'', "&#39;",
|
||
'\"', "&quot;",
|
||
'&', "&amp;"
|
||
);
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result
|
||
!=
|
||
"abcdefg124 &lt; jhsfjsh sjdfsh jfhjd &amp;&amp; jdjdj &gt;"
|
||
) {
|
||
state.SkipWithError("not equal");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">144</td><td class="benchmarkresult">156</td><td class="benchmarkresult">323</td><td class="benchmarkresult">345</td><td class="benchmarkresult">302</td></tr>
|
||
</tbody></table></div><script>bench_sets['Replace symbols in text ~40 symbols'] = {id:'bs25', tests:[
|
||
{name:'Short Naive (and wrong) replace symbols with std::string find + replace',data:[155,175,321,384,470]},
|
||
{name:'Short replace symbols with std::string find_first_of + replace',data:[337,319,385,475,494]},
|
||
{name:'Short replace symbols with std::string_view find_first_of + copy',data:[164,183,330,388,413]},
|
||
{name:'Short replace runtime symbols with string expressions and without remembering all search results',data:[193,225,269,302,380]},
|
||
{name:'Short replace runtime symbols with simstr and memorization of all search results',data:[205,206,348,434,401]},
|
||
{name:'Short replace const symbols with string expressions and without remembering all search results',data:[139,162,232,260,257]},
|
||
{name:'Short replace const symbols with string expressions and memorization of all search results',data:[144,156,323,345,302]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs26"><h4><a id="bs77745698784557935900" href="#bs77745698784557935900">#</a> Replace All Str To Longer Size</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in std::string|64<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllLongerStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "----";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">160</td><td class="benchmarkresult">164</td><td class="benchmarkresult">232</td><td class="benchmarkresult">249</td><td class="benchmarkresult">371</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in std::string|256<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllLongerStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "----";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">568</td><td class="benchmarkresult">492</td><td class="benchmarkresult">757</td><td class="benchmarkresult">810</td><td class="benchmarkresult">1351</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in std::string|512<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllLongerStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "----";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1177</td><td class="benchmarkresult">1119</td><td class="benchmarkresult">1482</td><td class="benchmarkresult">1556</td><td class="benchmarkresult">2646</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in std::string|1024<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllLongerStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "----";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">2294</td><td class="benchmarkresult">2211</td><td class="benchmarkresult">3150</td><td class="benchmarkresult">3229</td><td class="benchmarkresult">5606</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in std::string|2048<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllLongerStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "----";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">5903</td><td class="benchmarkresult">5959</td><td class="benchmarkresult">8049</td><td class="benchmarkresult">8174</td><td class="benchmarkresult">12254</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in lstringa<8>|64<span class="tooltiptext code">template<size_t N, size_t Count>
|
||
void ReplaceAllLongerSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">245</td><td class="benchmarkresult">148</td><td class="benchmarkresult">304</td><td class="benchmarkresult">312</td><td class="benchmarkresult">332</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in lstringa<8>|256<span class="tooltiptext code">template<size_t N, size_t Count>
|
||
void ReplaceAllLongerSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">777</td><td class="benchmarkresult">485</td><td class="benchmarkresult">606</td><td class="benchmarkresult">660</td><td class="benchmarkresult">1116</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in lstringa<8>|512<span class="tooltiptext code">template<size_t N, size_t Count>
|
||
void ReplaceAllLongerSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1500</td><td class="benchmarkresult">893</td><td class="benchmarkresult">1054</td><td class="benchmarkresult">1138</td><td class="benchmarkresult">2117</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in lstringa<8>|1024<span class="tooltiptext code">template<size_t N, size_t Count>
|
||
void ReplaceAllLongerSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">2907</td><td class="benchmarkresult">1845</td><td class="benchmarkresult">1839</td><td class="benchmarkresult">2056</td><td class="benchmarkresult">4092</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- in lstringa<8>|2048<span class="tooltiptext code">template<size_t N, size_t Count>
|
||
void ReplaceAllLongerSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">5929</td><td class="benchmarkresult">3614</td><td class="benchmarkresult">3503</td><td class="benchmarkresult">3917</td><td class="benchmarkresult">7783</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- by init stringa|64<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">129</td><td class="benchmarkresult">110</td><td class="benchmarkresult">183</td><td class="benchmarkresult">206</td><td class="benchmarkresult">212</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- by init stringa|256<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">356</td><td class="benchmarkresult">305</td><td class="benchmarkresult">374</td><td class="benchmarkresult">475</td><td class="benchmarkresult">725</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- by init stringa|512<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">774</td><td class="benchmarkresult">751</td><td class="benchmarkresult">824</td><td class="benchmarkresult">1056</td><td class="benchmarkresult">1687</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- by init stringa|1024<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1583</td><td class="benchmarkresult">1630</td><td class="benchmarkresult">1681</td><td class="benchmarkresult">2152</td><td class="benchmarkresult">3720</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to ---- by init stringa|2048<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllLongerSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa----baaaaaaaa--------aaaaabaaaaaaaaaaaaaaaaaaaaa----a";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "----");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">3395</td><td class="benchmarkresult">3440</td><td class="benchmarkresult">3111</td><td class="benchmarkresult">4321</td><td class="benchmarkresult">7469</td></tr>
|
||
</tbody></table></div><script>bench_sets['Replace All Str To Longer Size'] = {id:'bs26', tests:[
|
||
{name:'replace bb to ---- in std::string|64',data:[160,164,232,249,371]},
|
||
{name:'replace bb to ---- in std::string|256',data:[568,492,757,810,1351]},
|
||
{name:'replace bb to ---- in std::string|512',data:[1177,1119,1482,1556,2646]},
|
||
{name:'replace bb to ---- in std::string|1024',data:[2294,2211,3150,3229,5606]},
|
||
{name:'replace bb to ---- in std::string|2048',data:[5903,5959,8049,8174,12254]},
|
||
{name:'replace bb to ---- in lstringa<8>|64',data:[245,148,304,312,332]},
|
||
{name:'replace bb to ---- in lstringa<8>|256',data:[777,485,606,660,1116]},
|
||
{name:'replace bb to ---- in lstringa<8>|512',data:[1500,893,1054,1138,2117]},
|
||
{name:'replace bb to ---- in lstringa<8>|1024',data:[2907,1845,1839,2056,4092]},
|
||
{name:'replace bb to ---- in lstringa<8>|2048',data:[5929,3614,3503,3917,7783]},
|
||
{name:'replace bb to ---- by init stringa|64',data:[129,110,183,206,212]},
|
||
{name:'replace bb to ---- by init stringa|256',data:[356,305,374,475,725]},
|
||
{name:'replace bb to ---- by init stringa|512',data:[774,751,824,1056,1687]},
|
||
{name:'replace bb to ---- by init stringa|1024',data:[1583,1630,1681,2152,3720]},
|
||
{name:'replace bb to ---- by init stringa|2048',data:[3395,3440,3111,4321,7469]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs27"><h4><a id="bs74494088982050398630" href="#bs74494088982050398630">#</a> Replace All Str To Same Size</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in std::string|64<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllEqualStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "--";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">119</td><td class="benchmarkresult">118</td><td class="benchmarkresult">196</td><td class="benchmarkresult">215</td><td class="benchmarkresult">259</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in std::string|256<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllEqualStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "--";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">451</td><td class="benchmarkresult">418</td><td class="benchmarkresult">487</td><td class="benchmarkresult">552</td><td class="benchmarkresult">941</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in std::string|512<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllEqualStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "--";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">782</td><td class="benchmarkresult">773</td><td class="benchmarkresult">899</td><td class="benchmarkresult">969</td><td class="benchmarkresult">1842</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in std::string|1024<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllEqualStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "--";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1492</td><td class="benchmarkresult">1538</td><td class="benchmarkresult">1687</td><td class="benchmarkresult">1820</td><td class="benchmarkresult">3695</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in std::string|2048<span class="tooltiptext code">template<size_t Long>
|
||
void ReplaceAllEqualStdString(benchmark::State& state) {
|
||
std::string_view source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
std::string_view sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
std::string_view pattern = "bb";
|
||
std::string_view repl = "--";
|
||
|
||
std::string big_source, big_sample;
|
||
for (int i = 0; i < Long; i++) {
|
||
big_source += source;
|
||
big_sample += sample;
|
||
}
|
||
|
||
for (auto _: state) {
|
||
std::string result{big_source};
|
||
size_t start_pos = 0;
|
||
while((start_pos = result.find(pattern, start_pos)) != std::string::npos) {
|
||
result.replace(start_pos, pattern.length(), repl);
|
||
start_pos += repl.length();
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (result != big_sample) {
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">3010</td><td class="benchmarkresult">2919</td><td class="benchmarkresult">3148</td><td class="benchmarkresult">3593</td><td class="benchmarkresult">6890</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in lstringa<8>|64<span class="tooltiptext code">template<size_t N, size_t Long>
|
||
void ReplaceAllEqualSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
lstringa<2048> big_source{Long, source}, big_sample{Long, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">209</td><td class="benchmarkresult">100</td><td class="benchmarkresult">179</td><td class="benchmarkresult">193</td><td class="benchmarkresult">219</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in lstringa<8>|256<span class="tooltiptext code">template<size_t N, size_t Long>
|
||
void ReplaceAllEqualSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
lstringa<2048> big_source{Long, source}, big_sample{Long, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">855</td><td class="benchmarkresult">298</td><td class="benchmarkresult">440</td><td class="benchmarkresult">465</td><td class="benchmarkresult">797</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in lstringa<8>|512<span class="tooltiptext code">template<size_t N, size_t Long>
|
||
void ReplaceAllEqualSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
lstringa<2048> big_source{Long, source}, big_sample{Long, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1828</td><td class="benchmarkresult">551</td><td class="benchmarkresult">797</td><td class="benchmarkresult">788</td><td class="benchmarkresult">1465</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in lstringa<8>|1024<span class="tooltiptext code">template<size_t N, size_t Long>
|
||
void ReplaceAllEqualSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
lstringa<2048> big_source{Long, source}, big_sample{Long, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">3661</td><td class="benchmarkresult">1105</td><td class="benchmarkresult">1542</td><td class="benchmarkresult">1447</td><td class="benchmarkresult">2845</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- in lstringa<8>|2048<span class="tooltiptext code">template<size_t N, size_t Long>
|
||
void ReplaceAllEqualSimString(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
lstringa<2048> big_source{Long, source}, big_sample{Long, sample};
|
||
|
||
for (auto _: state) {
|
||
lstringa<N> result = big_source;
|
||
result.replace("bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">7670</td><td class="benchmarkresult">2117</td><td class="benchmarkresult">2927</td><td class="benchmarkresult">2857</td><td class="benchmarkresult">5530</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- by init stringa|64<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllEqualSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
ssa pattern = "bb";
|
||
ssa repl = "--";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">83.8</td><td class="benchmarkresult">95.6</td><td class="benchmarkresult">156</td><td class="benchmarkresult">185</td><td class="benchmarkresult">178</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- by init stringa|256<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllEqualSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
ssa pattern = "bb";
|
||
ssa repl = "--";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">236</td><td class="benchmarkresult">270</td><td class="benchmarkresult">349</td><td class="benchmarkresult">387</td><td class="benchmarkresult">634</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- by init stringa|512<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllEqualSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
ssa pattern = "bb";
|
||
ssa repl = "--";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">485</td><td class="benchmarkresult">553</td><td class="benchmarkresult">583</td><td class="benchmarkresult">651</td><td class="benchmarkresult">1214</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- by init stringa|1024<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllEqualSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
ssa pattern = "bb";
|
||
ssa repl = "--";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">883</td><td class="benchmarkresult">1031</td><td class="benchmarkresult">1099</td><td class="benchmarkresult">1196</td><td class="benchmarkresult">2270</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">replace bb to -- by init stringa|2048<span class="tooltiptext code">template<size_t Count>
|
||
void ReplaceAllEqualSimStringExpr(benchmark::State& state) {
|
||
ssa source = "aaaaaaaaaaaaaaaaaaabbbaaaaaaaabbbbaaaaabaaaaaaaaaaaaaaaaaaaaabba";
|
||
ssa sample = "aaaaaaaaaaaaaaaaaaa--baaaaaaaa----aaaaabaaaaaaaaaaaaaaaaaaaaa--a";
|
||
ssa pattern = "bb";
|
||
ssa repl = "--";
|
||
|
||
lstringa<2048> big_source{Count, source}, big_sample{Count, sample};
|
||
|
||
for (auto _: state) {
|
||
stringa result = e_repl(big_source.to_str(), "bb", "--");
|
||
|
||
#ifdef CHECK_RESULT
|
||
if (result.to_str() != big_sample) {
|
||
std::cout << result.length() << ": " << result << "\n\n" << big_sample.length() << ": " << big_sample << "\n\n";
|
||
state.SkipWithError("error in replace");
|
||
break;
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(result);
|
||
benchmark::DoNotOptimize(source);
|
||
benchmark::DoNotOptimize(pattern);
|
||
benchmark::DoNotOptimize(repl);
|
||
}
|
||
}</span></span></td><td></td><td class="benchmarkresult">1717</td><td class="benchmarkresult">1966</td><td class="benchmarkresult">2073</td><td class="benchmarkresult">2408</td><td class="benchmarkresult">4529</td></tr>
|
||
</tbody></table></div><script>bench_sets['Replace All Str To Same Size'] = {id:'bs27', tests:[
|
||
{name:'replace bb to -- in std::string|64',data:[119,118,196,215,259]},
|
||
{name:'replace bb to -- in std::string|256',data:[451,418,487,552,941]},
|
||
{name:'replace bb to -- in std::string|512',data:[782,773,899,969,1842]},
|
||
{name:'replace bb to -- in std::string|1024',data:[1492,1538,1687,1820,3695]},
|
||
{name:'replace bb to -- in std::string|2048',data:[3010,2919,3148,3593,6890]},
|
||
{name:'replace bb to -- in lstringa<8>|64',data:[209,100,179,193,219]},
|
||
{name:'replace bb to -- in lstringa<8>|256',data:[855,298,440,465,797]},
|
||
{name:'replace bb to -- in lstringa<8>|512',data:[1828,551,797,788,1465]},
|
||
{name:'replace bb to -- in lstringa<8>|1024',data:[3661,1105,1542,1447,2845]},
|
||
{name:'replace bb to -- in lstringa<8>|2048',data:[7670,2117,2927,2857,5530]},
|
||
{name:'replace bb to -- by init stringa|64',data:[83.8,95.6,156,185,178]},
|
||
{name:'replace bb to -- by init stringa|256',data:[236,270,349,387,634]},
|
||
{name:'replace bb to -- by init stringa|512',data:[485,553,583,651,1214]},
|
||
{name:'replace bb to -- by init stringa|1024',data:[883,1031,1099,1196,2270]},
|
||
{name:'replace bb to -- by init stringa|2048',data:[1717,1966,2073,2408,4529]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs28"><h4><a id="bs8410196985047277720" href="#bs8410196985047277720">#</a> Hash Map insert and find</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">hashStrMapA<size_t> emplace & find stringa;<span class="tooltiptext code">void HashMapSimStr(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
hashStrMapA<size_t> store;
|
||
for (size_t idx = 0; idx < bs_sim.size(); idx++) {
|
||
store.try_emplace(bs_sim[idx], idx);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (store.size() != bs_sim.size()) {
|
||
state.SkipWithError("bad inserts");
|
||
}
|
||
#endif
|
||
for (size_t idx = 0; idx < bs_sim.size(); idx++) {
|
||
auto find = store.find(bs_sim[idx]);
|
||
size_t res = find->second;
|
||
#ifdef CHECK_RESULT
|
||
if (res != idx) {
|
||
state.SkipWithError("bad find");
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">3595592</td><td class="benchmarkresult">3722226</td><td class="benchmarkresult">3795773</td><td class="benchmarkresult">4239554</td><td class="benchmarkresult">3204846</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::unordered_map<std::string, size_t> emplace & find std::string;<span class="tooltiptext code">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++) {
|
||
store.try_emplace(bs_std[idx], idx);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (store.size() != bs_std.size()) {
|
||
state.SkipWithError("bad inserts");
|
||
}
|
||
#endif
|
||
for (size_t idx = 0; idx < bs_std.size(); idx++) {
|
||
auto find = store.find(bs_std[idx]);
|
||
size_t res = find->second;
|
||
#ifdef CHECK_RESULT
|
||
if (res != idx) {
|
||
state.SkipWithError("bad find");
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">То же самое c std::string и std::unordered_map
|
||
Same thing with std::string and std::unordered_map</span></span></td><td class="benchmarkresult">3599286</td><td class="benchmarkresult">3711685</td><td class="benchmarkresult">5814563</td><td class="benchmarkresult">5843669</td><td class="benchmarkresult">3332883</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">hashStrMapA<size_t> emplace & find ssa;<span class="tooltiptext code">void HashMapSimSsa(benchmark::State& state) {
|
||
for (auto _: state) {
|
||
hashStrMapA<size_t> store;
|
||
for (size_t idx = 0; idx < bs_sim.size(); idx++) {
|
||
store.emplace(bs_sim[idx], idx);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (store.size() != bs_sim.size()) {
|
||
state.SkipWithError("bad inserts");
|
||
}
|
||
#endif
|
||
for (size_t idx = 0; idx < bs_sim.size(); idx++) {
|
||
ssa key = bs_sim[idx];
|
||
auto find = store.find(key);
|
||
size_t res = find->second;
|
||
#ifdef CHECK_RESULT
|
||
if (res != idx) {
|
||
state.SkipWithError("bad find");
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Теперь вставляем stringa, а ищем ssa
|
||
Now we insert stringa and search for ssa</span></span></td><td class="benchmarkresult">3741065</td><td class="benchmarkresult">3706802</td><td class="benchmarkresult">3507480</td><td class="benchmarkresult">3963034</td><td class="benchmarkresult">3197797</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">std::unordered_map<std::string, size_t> emplace & find std::string_view;<span class="tooltiptext code">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++) {
|
||
store.emplace(bs_std[idx], idx);
|
||
}
|
||
#ifdef CHECK_RESULT
|
||
if (store.size() != bs_std.size()) {
|
||
state.SkipWithError("bad inserts");
|
||
}
|
||
#endif
|
||
for (size_t idx = 0; idx < bs_std.size(); idx++) {
|
||
std::string_view key = bs_std[idx];
|
||
auto find = store.find(std::string{key});
|
||
size_t res = find->second;
|
||
#ifdef CHECK_RESULT
|
||
if (res != idx) {
|
||
state.SkipWithError("bad find");
|
||
}
|
||
#endif
|
||
benchmark::DoNotOptimize(res);
|
||
}
|
||
}
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Вставляем std::string, а ищем std::string_view
|
||
We insert std::string and look for std::string_view</span></span></td><td class="benchmarkresult">4188176</td><td class="benchmarkresult">4055890</td><td class="benchmarkresult">6774393</td><td class="benchmarkresult">6280080</td><td class="benchmarkresult">3669143</td></tr>
|
||
</tbody></table></div><script>bench_sets['Hash Map insert and find'] = {id:'bs28', tests:[
|
||
{name:'hashStrMapA<size_t> emplace & find stringa;',data:[3595592,3722226,3795773,4239554,3204846]},
|
||
{name:'std::unordered_map<std::string, size_t> emplace & find std::string;',data:[3599286,3711685,5814563,5843669,3332883]},
|
||
{name:'hashStrMapA<size_t> emplace & find ssa;',data:[3741065,3706802,3507480,3963034,3197797]},
|
||
{name:'std::unordered_map<std::string, size_t> emplace & find std::string_view;',data:[4188176,4055890,6774393,6280080,3669143]}
|
||
]}</script>
|
||
|
||
<div class="benchset" id="bs29"><h4><a id="bs131384792586914680410" href="#bs131384792586914680410">#</a> Build Full Func Name</h4>
|
||
<table><thead><tr><th>Benchmark name</th><th width="5%">Comment</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), Clang-21</th><th width="8%">Xeon E5-2682 v4, Ubuntu 22 (WSL), GCC-13</th><th width="8%">Xeon E5-2682 v4, Windows 10, Clang-19</th><th width="8%">Xeon E5-2682 v4, Windows 10, MSVC-19</th><th width="8%">Xeon E5-2682 v4, WASM Firefox, Clang-21</th></tr></thead><tbody>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Build func full name std::string;<span class="tooltiptext code">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;
|
||
str += "(";
|
||
|
||
bool add_comma = false;
|
||
|
||
for (const auto& param : params) {
|
||
if (add_comma) {
|
||
str += ", ";
|
||
}
|
||
if (param.optional) {
|
||
str += "[";
|
||
}
|
||
param.allowed_types.to_stdstr(str);
|
||
if (param.optional) {
|
||
str += "]";
|
||
}
|
||
add_comma = true;
|
||
}
|
||
if (unlim_params) {
|
||
if (add_comma) {
|
||
str += ", ";
|
||
}
|
||
str += "...";
|
||
}
|
||
str += ")";
|
||
//std::cout << "Len=" << str.length() << ", Cap=" << str.capacity() << "\n";
|
||
return str;
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Обыденная задача, подобные часто могут встретится в работе:
|
||
По неким данным сгенерировать текст. В этом случае по данным
|
||
о неких функциях сформировать их полное имя с типами параметров и
|
||
возвращаемого значения. Алгоритм на std::string.
|
||
A common task, similar to this one, can often be encountered in work:
|
||
Generate text from given data. In this case, using data
|
||
on certain functions, generate their full names with parameter types and
|
||
return values. The algorithm uses std::string.</span></span></td><td class="benchmarkresult">709</td><td class="benchmarkresult">943</td><td class="benchmarkresult">1611</td><td class="benchmarkresult">1716</td><td class="benchmarkresult">2854</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Build func full name std::string 1;<span class="tooltiptext code">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 + "(";
|
||
|
||
bool add_comma = false;
|
||
|
||
for (const auto& param : params) {
|
||
if (add_comma) {
|
||
str += ", ";
|
||
}
|
||
if (param.optional) {
|
||
str += "[";
|
||
}
|
||
param.allowed_types.to_stdstr(str);
|
||
if (param.optional) {
|
||
str += "]";
|
||
}
|
||
add_comma = true;
|
||
}
|
||
if (unlim_params) {
|
||
if (add_comma) {
|
||
str += ", ";
|
||
}
|
||
str += "...";
|
||
}
|
||
str += ")";
|
||
//std::cout << "Len=" << str.length() << ", Cap=" << str.capacity() << "\n";
|
||
return str;
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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 += + + +.</span></span></td><td class="benchmarkresult">829</td><td class="benchmarkresult">1022</td><td class="benchmarkresult">1681</td><td class="benchmarkresult">1802</td><td class="benchmarkresult">2988</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Build func full name std::stream;<span class="tooltiptext code">std::string build_full_name_stream() const {
|
||
std::ostringstream str;
|
||
if (has_ret_type_resolver) {
|
||
str << "any";
|
||
} else {
|
||
str << type_names_sv[(unsigned)ret_type];
|
||
}
|
||
str << " " << std_name << "(";
|
||
|
||
bool add_comma = false;
|
||
|
||
for (const auto& param : params) {
|
||
if (add_comma) {
|
||
str << ", ";
|
||
}
|
||
if (param.optional) {
|
||
str << "[";
|
||
}
|
||
param.allowed_types.to_stream(str);
|
||
if (param.optional) {
|
||
str << "]";
|
||
}
|
||
add_comma = true;
|
||
}
|
||
if (unlim_params) {
|
||
if (add_comma) {
|
||
str << ", ";
|
||
}
|
||
str << "...";
|
||
}
|
||
str << ")";
|
||
return str.str();
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Строим имя функции через std::ostringstream и <<
|
||
We construct the function name through std::ostringstream and <<</span></span></td><td class="benchmarkresult">2552</td><td class="benchmarkresult">2671</td><td class="benchmarkresult">8266</td><td class="benchmarkresult">10011</td><td class="benchmarkresult">6634</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Build func full name stringa;<span class="tooltiptext code">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;
|
||
|
||
for (const auto& param : params) {
|
||
str += e_if(add_comma, ", ") + e_if(param.optional, "[");
|
||
param.allowed_types.to_simstr(str);
|
||
if (param.optional) {
|
||
str += "]";
|
||
}
|
||
add_comma = true;
|
||
}
|
||
return str + e_if(unlim_params, e_if(add_comma, ", ") + "...") + ")";
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">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.</span></span></td><td class="benchmarkresult">503</td><td class="benchmarkresult">612</td><td class="benchmarkresult">821</td><td class="benchmarkresult">1061</td><td class="benchmarkresult">1333</td></tr>
|
||
<tr><td class="benchmarkname"><span class="tooltip">Build func full name stringa 1;<span class="tooltiptext code">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;
|
||
|
||
for (const auto& param : params) {
|
||
str += e_if(add_comma, ", ") + e_if(param.optional, "[") + param.allowed_types.get_simstr() + e_if(param.optional, "]");
|
||
add_comma = true;
|
||
}
|
||
return str + e_if(unlim_params, e_if(add_comma, ", ") + "...") + ")";
|
||
}</span></span></td><td><span class="tooltip info"> >> <span class="tooltiptext">Реализация на simstr строках и строковых выражениях.
|
||
Инфа о параметрах добавляется во временную строку, а потом
|
||
разом добавляется в текущую строку. Позволяет операции в цикле
|
||
записать в одну строку, но чуть проигрывает по времени выполнения.
|
||
Implementation using simstr strings and string expressions.
|
||
Parameter information is added to a temporary string, and then
|
||
all at once to the current string. This allows loop operations
|
||
to be written in a single string, but is slightly slower in execution time.</span></span></td><td class="benchmarkresult">670</td><td class="benchmarkresult">657</td><td class="benchmarkresult">963</td><td class="benchmarkresult">1245</td><td class="benchmarkresult">1547</td></tr>
|
||
</tbody></table></div><script>bench_sets['Build Full Func Name'] = {id:'bs29', tests:[
|
||
{name:'Build func full name std::string;',data:[709,943,1611,1716,2854]},
|
||
{name:'Build func full name std::string 1;',data:[829,1022,1681,1802,2988]},
|
||
{name:'Build func full name std::stream;',data:[2552,2671,8266,10011,6634]},
|
||
{name:'Build func full name stringa;',data:[503,612,821,1061,1333]},
|
||
{name:'Build func full name stringa 1;',data:[670,657,963,1245,1547]}
|
||
]}</script></body></html> |