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[Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427

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[Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
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kouvel
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arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
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7.0.0

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@performanceautofiler
performanceautofiler
bot
opened on Apr 12, 2022

Run Information

Architecturex86
OSWindows 10.0.18362
Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
Comparea29a33456bd4df703e4ff675f36fe0f22903953d
DiffDiff

Regressions in System.Collections.Tests.Perf_BitArray

BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
Details

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
    Skip to content
    [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
    Closed
    Closed
    [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
    Assignees
    kouvel
    Labels
    arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
    Milestone
    7.0.0
    Description
    @performanceautofiler
    performanceautofiler
    bot
    opened on Apr 12, 2022
    Run Information
    Architecturex86
    OSWindows 10.0.18362
    Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
    Comparea29a33456bd4df703e4ff675f36fe0f22903953d
    DiffDiff
    Regressions in System.Collections.Tests.Perf_BitArray
    BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
    BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
    BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
    graph
    graph
    Test Report
    Repro
    git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
    Details
    Payloads
    Baseline
    Compare
    Histogram
    System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
    Description of detection logic
    IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

    Description of detection logic
    IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

    Docs
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[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
      Skip to content
      [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
      Closed
      Closed
      [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
      Assignees
      kouvel
      Labels
      arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
      Milestone
      7.0.0
      Description
      @performanceautofiler
      performanceautofiler
      bot
      opened on Apr 12, 2022
      Run Information
      Architecturex86
      OSWindows 10.0.18362
      Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
      Comparea29a33456bd4df703e4ff675f36fe0f22903953d
      DiffDiff
      Regressions in System.Collections.Tests.Perf_BitArray
      BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
      BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
      BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
      graph
      graph
      Test Report
      Repro
      git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
      Details
      Payloads
      Baseline
      Compare
      Histogram
      System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
      Description of detection logic
      IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

      Description of detection logic
      IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

      Docs
      Profiling workflow for dotnet/runtime repository
      Benchmarking workflow for dotnet/runtime repository
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      Metadata
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[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
        Skip to content
        [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
        Closed
        Closed
        [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
        Assignees
        kouvel
        Labels
        arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
        Milestone
        7.0.0
        Description
        @performanceautofiler
        performanceautofiler
        bot
        opened on Apr 12, 2022
        Run Information
        Architecturex86
        OSWindows 10.0.18362
        Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
        Comparea29a33456bd4df703e4ff675f36fe0f22903953d
        DiffDiff
        Regressions in System.Collections.Tests.Perf_BitArray
        BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
        BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
        BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
        graph
        graph
        Test Report
        Repro
        git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
        Details
        Payloads
        Baseline
        Compare
        Histogram
        System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
        Description of detection logic
        IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

        Description of detection logic
        IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

        Docs
        Profiling workflow for dotnet/runtime repository
        Benchmarking workflow for dotnet/runtime repository
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if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
          Skip to content
          [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
          Closed
          Closed
          [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
          Assignees
          kouvel
          Labels
          arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
          Milestone
          7.0.0
          Description
          @performanceautofiler
          performanceautofiler
          bot
          opened on Apr 12, 2022
          Run Information
          Architecturex86
          OSWindows 10.0.18362
          Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
          Comparea29a33456bd4df703e4ff675f36fe0f22903953d
          DiffDiff
          Regressions in System.Collections.Tests.Perf_BitArray
          BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
          BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
          BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
          graph
          graph
          Test Report
          Repro
          git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
          Details
          Payloads
          Baseline
          Compare
          Histogram
          System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
          Description of detection logic
          IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

          Description of detection logic
          IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
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function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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var lastUrl = location.href;
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if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
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}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
            Skip to content
            [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
            Closed
            Closed
            [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
            Assignees
            kouvel
            Labels
            arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
            Milestone
            7.0.0
            Description
            @performanceautofiler
            performanceautofiler
            bot
            opened on Apr 12, 2022
            Run Information
            Architecturex86
            OSWindows 10.0.18362
            Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
            Comparea29a33456bd4df703e4ff675f36fe0f22903953d
            DiffDiff
            Regressions in System.Collections.Tests.Perf_BitArray
            BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
            BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
            BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
            graph
            graph
            Test Report
            Repro
            git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
            Details
            Payloads
            Baseline
            Compare
            Histogram
            System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
            Description of detection logic
            IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

            Description of detection logic
            IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

            Docs
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            Benchmarking workflow for dotnet/runtime repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
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(function(){
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var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
              Skip to content
              [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
              Closed
              Closed
              [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
              Assignees
              kouvel
              Labels
              arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
              Milestone
              7.0.0
              Description
              @performanceautofiler
              performanceautofiler
              bot
              opened on Apr 12, 2022
              Run Information
              Architecturex86
              OSWindows 10.0.18362
              Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
              Comparea29a33456bd4df703e4ff675f36fe0f22903953d
              DiffDiff
              Regressions in System.Collections.Tests.Perf_BitArray
              BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
              BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
              BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
              graph
              graph
              Test Report
              Repro
              git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
              Details
              Payloads
              Baseline
              Compare
              Histogram
              System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
              Description of detection logic
              IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

              Description of detection logic
              IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

              Docs
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              Benchmarking workflow for dotnet/runtime repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
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filter: invert(1) hue-rotate(180deg) !important;
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console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
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})();
})();
[Perf] Regressions in System.Collections.Tests.Perf_BitArray · Issue #68427 · dotnet/runtime · GitHub
                Skip to content
                [Perf] Regressions in System.Collections.Tests.Perf_BitArray #68427
                Closed
                Closed
                [Perf] Regressions in System.Collections.Tests.Perf_BitArray#68427
                Assignees
                kouvel
                Labels
                arch-x86area-TieredCompilation-coreclrruntime-coreclrspecific to the CoreCLR runtimetenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark
                Milestone
                7.0.0
                Description
                @performanceautofiler
                performanceautofiler
                bot
                opened on Apr 12, 2022
                Run Information
                Architecturex86
                OSWindows 10.0.18362
                Baselinedaf25da8e67857fde603b16d92192cd1368bafc7
                Comparea29a33456bd4df703e4ff675f36fe0f22903953d
                DiffDiff
                Regressions in System.Collections.Tests.Perf_BitArray
                BenchmarkBaselineTestTest/BaseTest QualityEdge DetectorBaseline IRCompare IRIR RatioBaseline ETLCompare ETL
                BitArrayLengthCtor - Duration of single invocation11.66 ns13.55 ns1.160.18False
                BitArrayIntArrayCtor - Duration of single invocation144.79 ns153.79 ns1.060.00False
                graph
                graph
                Test Report
                Repro
                git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_BitArray*'
                Details
                Payloads
                Baseline
                Compare
                Histogram
                System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)
                Description of detection logic
                IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.552456654774215 > 12.311515625815773.
IsChangePoint: Marked as a change because one of 4/10/2022 11:44:05 PM, 4/11/2022 5:01:30 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -3.1934874249260923 (T) = (0 -12.868695907343728) / Math.Sqrt((1.8689032056672892 / (53)) + (0.20798193329018388 / (4))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (53) + (4) - 2, .025) and -0.07910354378561829 = (11.925357841193696 - 12.868695907343728) / 11.925357841193696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
```#### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 512)
```log

                Description of detection logic
                IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.78919173026836 > 152.37757986958002.
IsChangePoint: Marked as a change because one of 4/8/2022 10:19:59 AM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -22.810390319926345 (T) = (0 -153.674493616133) / Math.Sqrt((0.9275447022264903 / (37)) + (1.740421529380291 / (20))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (20) - 2, .025) and -0.05229391205141096 = (146.0376154001973 - 153.674493616133) / 146.0376154001973 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

                Docs
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