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Benchmarks for dotnet/runtime#132397 (for @tarekgh)#503

Description

@EgorBot
EgorBot
opened on Aug 17, 2026

Processing benchmark request from PR dotnet/runtime#132397.

Targets: windows_azure_turin, ubuntu24_azure_turin
Commits: main;PR_132397

Results will be posted here once they are ready.

Activity

  1. EgorBot commented on Aug 17, 2026

    @EgorBot
    EgorBot
    on Aug 17, 2026
    OwnerAuthor

    Results for ubuntu24_azure_turin

    @tarekgh

    BenchmarkDotNet v0.16.0-nightly.20260801.595, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 9.86 GB Available
.NET SDK 11.0.100-rc.1.26413.103
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26413.103, 11.0.26.41403), X64 RyuJIT x86-64-v4

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1
    Method OutlierMode Toolchain MemoryRandomization Options Mean Error Ratio Allocated Alloc Ratio
    IsPrefix_FirstHalf Default main** Default (, None, False) 64.514 ns 0.1429 ns 1.03 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, None, False) 62.578 ns 0.0518 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, None, False) 4.060 ns 0.0266 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, None, False) 4.049 ns 0.0199 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, None, False) 63.389 ns 0.2545 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, None, False) 64.082 ns 0.2600 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, None, False) 4.255 ns 0.0423 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, None, False) 4.245 ns 0.0273 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, None, False) 171.156 ns 2.5564 ns 1.06 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, None, False) 161.656 ns 1.0865 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, None, False) 141.016 ns 1.2235 ns 0.99 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, None, False) 141.970 ns 1.1191 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, None, True) 1,179.839 ns 1.8203 ns 0.97 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, None, True) 1,217.666 ns 1.9308 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, None, True) 116.780 ns 0.8766 ns 0.98 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, None, True) 119.092 ns 0.6053 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, None, True) 2,142.851 ns 23.1678 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, None, True) 2,143.982 ns 41.9731 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, None, True) 159.972 ns 1.4198 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, None, True) 160.858 ns 1.4070 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, None, True) 3,718.282 ns 21.5830 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, None, True) 3,671.180 ns 21.9655 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, None, True) 7,158.271 ns 53.0163 ns 0.98 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, None, True) 7,307.825 ns 37.2569 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, IgnoreCase, False) 62.630 ns 0.0810 ns 0.99 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, IgnoreCase, False) 63.384 ns 0.3398 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, IgnoreCase, False) 4.271 ns 0.0233 ns 0.99 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, IgnoreCase, False) 4.294 ns 0.0361 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, IgnoreCase, False) 63.579 ns 0.3609 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, IgnoreCase, False) 63.997 ns 0.4372 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, IgnoreCase, False) 4.462 ns 0.0129 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, IgnoreCase, False) 4.489 ns 0.0328 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, IgnoreCase, False) 234.325 ns 1.8252 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, False) 232.813 ns 1.3511 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, IgnoreCase, False) 228.054 ns 2.1926 ns 0.99 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, False) 229.737 ns 1.5518 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, IgnoreCase, True) 1,188.170 ns 3.2256 ns 0.99 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, IgnoreCase, True) 1,194.994 ns 4.6822 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, IgnoreCase, True) 120.424 ns 2.7763 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, IgnoreCase, True) 120.158 ns 0.7970 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, IgnoreCase, True) 2,151.838 ns 20.8908 ns 1.01 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, IgnoreCase, True) 2,132.253 ns 15.3380 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, IgnoreCase, True) 169.455 ns 3.0918 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, IgnoreCase, True) 168.724 ns 2.3128 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, IgnoreCase, True) 3,520.083 ns 32.1989 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, True) 3,474.023 ns 20.9665 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, IgnoreCase, True) 7,087.974 ns 116.0212 ns 1.01 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, True) 7,010.297 ns 14.4357 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, None, False) 64.859 ns 0.5018 ns 1.02 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, None, False) 63.331 ns 0.3202 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, None, False) 4.045 ns 0.0343 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, None, False) 4.046 ns 0.0257 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, None, False) 63.682 ns 1.1003 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, None, False) 64.259 ns 0.4895 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, None, False) 4.246 ns 0.0157 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, None, False) 4.240 ns 0.0139 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, None, False) 162.399 ns 1.6396 ns 0.96 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, False) 168.700 ns 1.3850 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, None, False) 141.174 ns 1.2587 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, False) 141.416 ns 1.2120 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, None, True) 1,181.921 ns 2.5832 ns 0.98 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, None, True) 1,200.904 ns 1.8340 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, None, True) 116.385 ns 0.6596 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, None, True) 116.811 ns 0.5426 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, None, True) 2,183.146 ns 37.6271 ns 1.02 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, None, True) 2,132.391 ns 33.0325 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, None, True) 161.235 ns 2.1051 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, None, True) 161.878 ns 1.7993 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, None, True) 3,688.495 ns 20.0155 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, True) 3,681.903 ns 36.8373 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, None, True) 7,199.150 ns 99.7795 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, True) 7,201.748 ns 70.1889 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreCase, False) 62.679 ns 0.1401 ns 0.98 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreCase, False) 63.687 ns 0.0342 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreCase, False) 4.248 ns 0.0119 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreCase, False) 4.253 ns 0.0134 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreCase, False) 64.205 ns 0.4494 ns 0.98 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreCase, False) 65.265 ns 0.3302 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreCase, False) 4.452 ns 0.0226 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreCase, False) 4.484 ns 0.0434 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, False) 233.419 ns 1.9984 ns 0.99 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, False) 235.869 ns 1.5138 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, False) 231.829 ns 2.0920 ns 1.01 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, False) 228.515 ns 1.1537 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreCase, True) 1,183.554 ns 3.0834 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreCase, True) 1,184.254 ns 2.1681 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreCase, True) 119.722 ns 1.5775 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreCase, True) 119.599 ns 0.3219 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreCase, True) 2,195.555 ns 20.1101 ns 1.02 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreCase, True) 2,158.041 ns 32.3522 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreCase, True) 165.647 ns 1.5041 ns 1.02 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreCase, True) 162.026 ns 1.0704 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, True) 3,494.446 ns 16.0946 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, True) 3,495.176 ns 14.4572 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, True) 7,195.681 ns 60.8423 ns 1.02 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, True) 7,023.629 ns 35.8212 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreNonSpace, False) 63.117 ns 0.0601 ns 0.99 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreNonSpace, False) 63.633 ns 0.0723 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreNonSpace, False) 4.057 ns 0.0306 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 4.051 ns 0.0223 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreNonSpace, False) 64.915 ns 0.5268 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 65.331 ns 1.0584 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreNonSpace, False) 4.234 ns 0.0233 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 4.248 ns 0.0468 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreNonSpace, False) 161.640 ns 1.0169 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 160.813 ns 1.3258 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreNonSpace, False) 214.872 ns 2.2860 ns 1.50 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 143.103 ns 1.1402 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreSymbols, False) 4,425.727 ns 9.5860 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreSymbols, False) 4,419.925 ns 5.9174 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreSymbols, False) 8,722.839 ns 82.5828 ns 1.01 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 8,628.182 ns 41.7765 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreSymbols, False) 5,966.097 ns 53.9063 ns 1.01 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 5,935.391 ns 26.9424 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreSymbols, False) 11,600.035 ns 18.0257 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 11,613.545 ns 48.6339 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreSymbols, False) 3,848.946 ns 26.3208 ns 0.99 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 3,871.517 ns 75.6377 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreSymbols, False) 6,882.544 ns 68.5023 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 6,862.257 ns 32.4590 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, OrdinalIgnoreCase, False) 5.349 ns 0.0114 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, OrdinalIgnoreCase, False) 5.357 ns 0.0126 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, OrdinalIgnoreCase, False) 4.228 ns 0.0203 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 4.227 ns 0.0156 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, OrdinalIgnoreCase, False) 5.389 ns 0.0565 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 5.365 ns 0.0177 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, OrdinalIgnoreCase, False) 8.122 ns 0.1058 ns 1.02 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 7.950 ns 0.0466 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, OrdinalIgnoreCase, False) 13.563 ns 0.7455 ns 0.96 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 14.445 ns 1.9089 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, OrdinalIgnoreCase, False) 249.418 ns 2.9472 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 249.221 ns 0.7187 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, Ordinal, False) 4.424 ns 0.0086 ns 1.07 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, Ordinal, False) 4.120 ns 0.0035 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, Ordinal, False) 3.340 ns 0.0274 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, Ordinal, False) 3.344 ns 0.0180 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, Ordinal, False) 4.765 ns 0.0165 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, Ordinal, False) 4.782 ns 0.0686 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, Ordinal, False) 6.176 ns 0.0246 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, Ordinal, False) 6.165 ns 0.0372 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, Ordinal, False) 10.992 ns 1.0180 ns 0.91 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, Ordinal, False) 12.145 ns 0.0458 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, Ordinal, False) 12.031 ns 0.6868 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, Ordinal, False) 12.123 ns 0.7130 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (pl-PL, None, False) 2,115.269 ns 9.6460 ns 0.95 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (pl-PL, None, False) 2,222.861 ns 5.6639 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (pl-PL, None, False) 119.397 ns 1.2054 ns 1.03 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (pl-PL, None, False) 115.544 ns 0.7616 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (pl-PL, None, False) 2,600.872 ns 15.5939 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (pl-PL, None, False) 2,624.352 ns 27.8383 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (pl-PL, None, False) 145.080 ns 0.4969 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (pl-PL, None, False) 146.803 ns 1.4836 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (pl-PL, None, False) 5,219.248 ns 37.1002 ns 0.95 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (pl-PL, None, False) 5,520.301 ns 118.5550 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (pl-PL, None, False) 8,064.874 ns 47.9308 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (pl-PL, None, False) 8,080.199 ns 53.6645 ns 1.00 - NA

    Full logs

  2. EgorBot commented on Aug 17, 2026

    @EgorBot
    EgorBot
    on Aug 17, 2026
    OwnerAuthor

    Results for windows_azure_turin

    @tarekgh

    
BenchmarkDotNet v0.16.0-nightly.20260801.595, Windows 11 (10.0.26100.33296/24H2/2024Update/HudsonValley) (Hyper-V)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.99 GB Total, 27.54 GB Available
.NET SDK 11.0.100-rc.1.26413.103
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26413.103, 11.0.26.41403), X64 RyuJIT x86-64-v4

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1
    Method OutlierMode Toolchain MemoryRandomization Options Mean Error Ratio Allocated Alloc Ratio
    IsPrefix_FirstHalf Default main** Default (, None, False) 65.355 ns 0.8711 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, None, False) 65.356 ns 0.8953 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, None, False) 5.579 ns 0.0528 ns 1.01 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, None, False) 5.549 ns 0.0186 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, None, False) 68.047 ns 0.9280 ns 1.02 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, None, False) 66.461 ns 0.5634 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, None, False) 5.627 ns 0.1110 ns 1.01 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, None, False) 5.565 ns 0.0555 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, None, False) 144.235 ns 2.3634 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, None, False) 143.469 ns 2.8663 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, None, False) 137.031 ns 1.9783 ns 0.91 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, None, False) 150.909 ns 2.5565 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, None, True) 1,659.918 ns 27.8313 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, None, True) 1,653.983 ns 15.6223 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, None, True) 356.559 ns 4.4435 ns 1.01 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, None, True) 353.856 ns 6.8468 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, None, True) 3,399.175 ns 72.0356 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, None, True) 3,418.209 ns 47.8140 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, None, True) 604.048 ns 3.9482 ns 1.05 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, None, True) 577.211 ns 20.5430 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, None, True) 3,553.517 ns 42.2855 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, None, True) 3,565.050 ns 45.0003 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, None, True) 7,107.350 ns 60.7080 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, None, True) 7,102.245 ns 55.2477 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, IgnoreCase, False) 66.500 ns 0.5392 ns 0.97 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, IgnoreCase, False) 68.829 ns 0.1491 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, IgnoreCase, False) 5.869 ns 0.0837 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, IgnoreCase, False) 5.881 ns 0.1154 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, IgnoreCase, False) 66.576 ns 0.5970 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, IgnoreCase, False) 66.996 ns 0.8427 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, IgnoreCase, False) 5.839 ns 0.1096 ns 1.01 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, IgnoreCase, False) 5.796 ns 0.0493 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, IgnoreCase, False) 216.019 ns 1.8674 ns 0.95 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, False) 228.039 ns 2.9750 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, IgnoreCase, False) 229.593 ns 2.3840 ns 0.99 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, False) 230.945 ns 3.9330 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (, IgnoreCase, True) 1,670.469 ns 20.6195 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (, IgnoreCase, True) 1,678.915 ns 32.5974 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (, IgnoreCase, True) 353.543 ns 1.8554 ns 0.98 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (, IgnoreCase, True) 362.464 ns 6.4778 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (, IgnoreCase, True) 3,447.283 ns 77.7716 ns 1.01 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (, IgnoreCase, True) 3,416.041 ns 117.7409 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (, IgnoreCase, True) 568.364 ns 5.7251 ns 0.93 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (, IgnoreCase, True) 612.812 ns 16.7172 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (, IgnoreCase, True) 3,581.270 ns 39.5256 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, True) 3,565.878 ns 28.0046 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (, IgnoreCase, True) 9,131.093 ns 257.5429 ns 1.01 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (, IgnoreCase, True) 9,024.879 ns 101.0846 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, None, False) 64.618 ns 0.1129 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, None, False) 64.808 ns 0.1417 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, None, False) 5.553 ns 0.0391 ns 0.75 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, None, False) 8.121 ns 2.0489 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, None, False) 66.078 ns 0.6685 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, None, False) 66.679 ns 1.2583 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, None, False) 5.555 ns 0.0457 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, None, False) 5.534 ns 0.0114 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, None, False) 145.040 ns 2.8247 ns 1.10 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, False) 132.349 ns 1.0147 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, None, False) 136.770 ns 1.6194 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, False) 137.269 ns 2.6774 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, None, True) 1,681.747 ns 11.5216 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, None, True) 1,675.491 ns 8.7127 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, None, True) 354.923 ns 6.3737 ns 1.01 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, None, True) 351.727 ns 3.3128 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, None, True) 3,358.758 ns 64.0648 ns 0.98 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, None, True) 3,417.645 ns 71.2077 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, None, True) 563.797 ns 9.5574 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, None, True) 570.107 ns 5.1021 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, None, True) 3,593.725 ns 19.2098 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, True) 3,591.967 ns 38.3683 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, None, True) 7,070.448 ns 43.6261 ns 0.99 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, None, True) 7,161.040 ns 76.1164 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreCase, False) 65.534 ns 0.0919 ns 0.93 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreCase, False) 70.448 ns 0.3623 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreCase, False) 5.833 ns 0.0246 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreCase, False) 5.822 ns 0.0651 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreCase, False) 66.178 ns 0.4468 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreCase, False) 66.536 ns 0.4039 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreCase, False) 5.824 ns 0.0364 ns 0.96 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreCase, False) 6.127 ns 0.7242 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, False) 225.836 ns 1.4581 ns 1.04 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, False) 216.356 ns 4.3226 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, False) 228.866 ns 1.9529 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, False) 227.971 ns 1.5132 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreCase, True) 1,638.868 ns 5.9763 ns 0.89 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreCase, True) 1,844.715 ns 19.0161 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreCase, True) 356.560 ns 3.7216 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreCase, True) 358.442 ns 7.1275 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreCase, True) 3,374.260 ns 46.2893 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreCase, True) 3,422.084 ns 59.6405 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreCase, True) 568.561 ns 10.7681 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreCase, True) 567.271 ns 7.2497 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, True) 3,568.346 ns 51.8689 ns 0.93 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, True) 3,835.698 ns 122.8292 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreCase, True) 8,996.765 ns 59.2310 ns 0.99 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreCase, True) 9,081.420 ns 96.7626 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreNonSpace, False) 64.931 ns 0.3342 ns 0.98 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreNonSpace, False) 65.933 ns 0.1246 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreNonSpace, False) 5.548 ns 0.0516 ns 0.99 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 5.592 ns 0.1111 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreNonSpace, False) 65.951 ns 0.8454 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 66.662 ns 0.5031 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreNonSpace, False) 5.554 ns 0.0676 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 5.552 ns 0.0408 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreNonSpace, False) 132.650 ns 1.4760 ns 1.01 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 131.924 ns 0.7604 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreNonSpace, False) 136.608 ns 1.2816 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreNonSpace, False) 136.560 ns 1.3953 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, IgnoreSymbols, False) 4,553.696 ns 14.5878 ns 0.99 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, IgnoreSymbols, False) 4,611.414 ns 5.3988 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, IgnoreSymbols, False) 8,716.247 ns 107.7908 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 8,681.481 ns 58.2751 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, IgnoreSymbols, False) 6,053.712 ns 47.2489 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 6,047.125 ns 26.6309 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, IgnoreSymbols, False) 11,712.856 ns 30.8754 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 11,773.593 ns 102.2544 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, IgnoreSymbols, False) 3,701.419 ns 23.5526 ns 0.99 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 3,721.603 ns 34.5514 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, IgnoreSymbols, False) 6,832.738 ns 37.7359 ns 1.01 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, IgnoreSymbols, False) 6,791.634 ns 45.7318 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, OrdinalIgnoreCase, False) 6.882 ns 0.0414 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, OrdinalIgnoreCase, False) 6.869 ns 0.0160 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, OrdinalIgnoreCase, False) 5.974 ns 0.0151 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 5.982 ns 0.0309 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, OrdinalIgnoreCase, False) 7.136 ns 0.0588 ns 1.01 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 7.098 ns 0.0318 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, OrdinalIgnoreCase, False) 8.988 ns 0.2326 ns 0.95 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 9.598 ns 0.9454 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, OrdinalIgnoreCase, False) 11.373 ns 0.1208 ns 0.97 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 11.855 ns 1.2374 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, OrdinalIgnoreCase, False) 270.694 ns 2.4535 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, OrdinalIgnoreCase, False) 271.043 ns 3.4154 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (en-US, Ordinal, False) 5.545 ns 0.0095 ns 1.00 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (en-US, Ordinal, False) 5.536 ns 0.0052 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (en-US, Ordinal, False) 4.881 ns 0.0457 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (en-US, Ordinal, False) 4.875 ns 0.0319 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (en-US, Ordinal, False) 6.323 ns 0.1224 ns 0.99 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (en-US, Ordinal, False) 6.361 ns 0.0377 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (en-US, Ordinal, False) 7.600 ns 0.0977 ns 0.98 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (en-US, Ordinal, False) 7.747 ns 0.1477 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (en-US, Ordinal, False) 8.773 ns 0.0825 ns 0.95 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (en-US, Ordinal, False) 9.248 ns 0.7269 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (en-US, Ordinal, False) 8.933 ns 0.0698 ns 0.91 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (en-US, Ordinal, False) 9.883 ns 0.6610 ns 1.00 - NA
    IsPrefix_FirstHalf Default main** Default (pl-PL, None, False) 2,725.669 ns 9.4540 ns 0.99 - NA
    IsPrefix_FirstHalf Default PR #132397 Default (pl-PL, None, False) 2,755.767 ns 9.6741 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove main True (pl-PL, None, False) 354.296 ns 6.5611 ns 1.00 - NA
    IsPrefix_DifferentFirstChar DontRemove PR #132397 True (pl-PL, None, False) 354.630 ns 3.8390 ns 1.00 - NA
    IsSuffix_SecondHalf DontRemove main True (pl-PL, None, False) 3,915.372 ns 42.5425 ns 1.01 - NA
    IsSuffix_SecondHalf DontRemove PR #132397 True (pl-PL, None, False) 3,873.197 ns 44.6374 ns 1.00 - NA
    IsSuffix_DifferentLastChar DontRemove main True (pl-PL, None, False) 543.227 ns 10.2840 ns 0.99 - NA
    IsSuffix_DifferentLastChar DontRemove PR #132397 True (pl-PL, None, False) 548.623 ns 5.5657 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove main True (pl-PL, None, False) 4,806.165 ns 32.2410 ns 1.00 - NA
    IndexOf_Word_NotFound DontRemove PR #132397 True (pl-PL, None, False) 4,790.554 ns 36.7451 ns 1.00 - NA
    LastIndexOf_Word_NotFound DontRemove main True (pl-PL, None, False) 8,044.552 ns 58.3209 ns 1.01 - NA
    LastIndexOf_Word_NotFound DontRemove PR #132397 True (pl-PL, None, False) 7,968.118 ns 69.3917 ns 1.00 - NA
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