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[Perf] Linux/x64: 21 Regressions on 1/3/2023 9:28:36 AM #11424

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performanceautofiler bot opened this issue Jan 10, 2023 · 1 comment
Closed

[Perf] Linux/x64: 21 Regressions on 1/3/2023 9:28:36 AM #11424

performanceautofiler bot opened this issue Jan 10, 2023 · 1 comment
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@dakersnar
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression runtime-coreclr

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Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Count - Duration of single invocation 16.47 ms 17.66 ms 1.07 0.19 False
Count - Duration of single invocation 24.21 ms 25.75 ms 1.06 0.16 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern: "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])", Options: NonBacktracking)

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 17.663875035714284 > 17.190590520999997.
IsChangePoint: Marked as a change because one of 10/17/2022 12:47:34 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -12.307702614818494 (T) = (0 -17686218.04508533) / Math.Sqrt((192905613697.8846 / (14)) + (4256415541.6738687 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.08943440553510679 = (16234312.001921987 - 17686218.04508533) / 16234312.001921987 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern: "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])", Options: None)

```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 25.7492055 > 24.851100591250002.
IsChangePoint: Marked as a change because one of 10/18/2022 9:26:37 AM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -12.632655449201454 (T) = (0 -25741007.92626581) / Math.Sqrt((319858367147.30347 / (14)) + (20895660430.107456 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.0813918302518762 = (23803590.15683543 - 25741007.92626581) / 23803590.15683543 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

### Run Information
Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Count - Duration of single invocation 2.20 ms 2.38 ms 1.08 0.04 False
Count - Duration of single invocation 3.20 ms 3.41 ms 1.07 0.04 False
Count - Duration of single invocation 3.69 ms 4.01 ms 1.09 0.02 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\p{Lu}", Options: NonBacktracking)

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 2.382103474920635 > 2.2918389537355717.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 12/12/2022 5:25:39 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -52.3989559255251 (T) = (0 -2399576.671429496) / Math.Sqrt((102399779.63368474 / (14)) + (294568039.66992193 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.09835540854631576 = (2184699.6452681553 - 2399576.671429496) / 2184699.6452681553 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "[a-zA-Z]+ing", Options: Compiled)

```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 3.4076152942307694 > 3.237295330026042.
IsChangePoint: Marked as a change because one of 1/5/2023 12:24:13 PM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -19.53720014673781 (T) = (0 -3419328.3394436813) / Math.Sqrt((8091215799.671299 / (27)) + (541808165.6707829 / (18))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (27) + (18) - 2, .025) and -0.11577270834608551 = (3064538.4260313786 - 3419328.3394436813) / 3064538.4260313786 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock|Holmes|Watson|Irene|Adler|John|Baker", Options: NonBacktracking)

```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 4.014150760368663 > 3.900485955100633.
IsChangePoint: Marked as a change because one of 10/17/2022 12:47:34 PM, 11/10/2022 9:13:35 AM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -18.00059977348425 (T) = (0 -3960248.7309155003) / Math.Sqrt((333222229.9115126 / (14)) + (5067768351.181176 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.06535783691269656 = (3717294.409164827 - 3960248.7309155003) / 3717294.409164827 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Memory.Span<Char>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfAnyThreeValues - Duration of single invocation 4.38 ns 5.63 ns 1.29 0.07 False
IndexOfValue - Duration of single invocation 10.21 ns 11.49 ns 1.13 0.45 False
IndexOfAnyTwoValues - Duration of single invocation 12.39 ns 15.22 ns 1.23 0.16 False
IndexOfAnyTwoValues - Duration of single invocation 3.53 ns 4.83 ns 1.37 0.10 False

graph
graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Char>.IndexOfAnyThreeValues(Size: 33)

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 5.628166820876514 > 4.597105909855597.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -36.77680681536172 (T) = (0 -5.655804818241447) / Math.Sqrt((0.013263419071886317 / (14)) + (0.009863055027815103 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.3009369655422534 = (4.347485672285442 - 5.655804818241447) / 4.347485672285442 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.Memory.Span&lt;Char&gt;.IndexOfValue(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 11.489458695578046 > 10.266903601736507.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -18.62737542350612 (T) = (0 -11.817693404526066) / Math.Sqrt((0.08959359098424977 / (14)) + (0.16646728659383475 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.20627319580679504 = (9.796863136482118 - 11.817693404526066) / 9.796863136482118 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.Memory.Span&lt;Char&gt;.IndexOfAnyTwoValues(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 15.216317947785562 > 13.597551347474198.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -17.235833834876175 (T) = (0 -15.093266400070991) / Math.Sqrt((0.1918799707391884 / (14)) + (0.08203076526048839 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.1709970050517253 = (12.889244237993838 - 15.093266400070991) / 12.889244237993838 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.Memory.Span&lt;Char&gt;.IndexOfAnyTwoValues(Size: 33)

```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 4.828465050501491 > 3.7061544722301516.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -97.2728698643746 (T) = (0 -4.8130289537697175) / Math.Sqrt((3.682342828588698E-05 / (14)) + (0.005288035035049038 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.3623758021019753 = (3.532820346885064 - 4.8130289537697175) / 3.532820346885064 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in BenchmarksGame.RegexRedux_1

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
RunBench - Duration of single invocation 31.43 ms 34.36 ms 1.09 0.00 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'BenchmarksGame.RegexRedux_1*'

Payloads

Baseline
Compare

Histogram

BenchmarksGame.RegexRedux_1.RunBench

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 34.356844075000005 > 33.202115351785714.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -34.904359065674946 (T) = (0 -34618915.406182796) / Math.Sqrt((49095962498.06905 / (14)) + (115525507873.77806 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.09379410499874363 = (31650303.515050083 - 34618915.406182796) / 31650303.515050083 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Count - Duration of single invocation 31.84 ms 35.30 ms 1.11 0.13 False
Count - Duration of single invocation 6.86 ms 7.41 ms 1.08 0.01 False
Count - Duration of single invocation 28.49 ms 35.30 ms 1.24 0.15 False

graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: None)

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 35.30007569523809 > 33.438542860714286.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -708.9072782928235 (T) = (0 -35306031.012256235) / Math.Sqrt((179179868.22581518 / (14)) + (328212315.98487854 / (30))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (30) - 2, .025) and -0.10843838832445574 = (31852046.432301708 - 35306031.012256235) / 31852046.432301708 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "(?i)Twain", Options: NonBacktracking)

```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 7.4085756020202025 > 7.291292092083333.
IsChangePoint: Marked as a change because one of 10/25/2022 2:34:53 PM, 11/4/2022 9:11:54 AM, 12/19/2022 2:44:31 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -16.47072415470621 (T) = (0 -7402012.87544073) / Math.Sqrt((8908944993.682022 / (14)) + (1820310451.9045384 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.06232090715237732 = (6967774.827365794 - 7402012.87544073) / 6967774.827365794 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\\p{Sm}", Options: NonBacktracking)

```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 35.29579919047619 > 29.95823330892857.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -27.044616289694 (T) = (0 -35344074.63996304) / Math.Sqrt((827603452732.9766 / (14)) + (1096172590.3270335 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.22864881517513264 = (28766620.863037307 - 35344074.63996304) / 28766620.863037307 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Tests.Perf_String

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Replace_Char - Duration of single invocation 17.07 ns 19.08 ns 1.12 0.01 False
Replace_Char - Duration of single invocation 3.87 ns 5.25 ns 1.36 0.14 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_String.Replace_Char(text: "This is a very nice sentence", oldChar: 'i', newChar: 'I')

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 19.077025755890862 > 17.946853181321785.
IsChangePoint: Marked as a change because one of 11/10/2022 9:13:35 AM, 12/25/2022 7:48:20 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -38.75210088538315 (T) = (0 -19.36002233628097) / Math.Sqrt((0.0077478549623265745 / (14)) + (0.0916227397872035 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.13250367327353726 = (17.094887012878484 - 19.36002233628097) / 17.094887012878484 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.Tests.Perf_String.Replace_Char(text: "Hello", oldChar: 'a', newChar: 'b')

```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 5.254150501262543 > 4.057522829953935.
IsChangePoint: Marked as a change because one of 10/25/2022 2:34:53 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -60.59457935126962 (T) = (0 -5.1178940879577395) / Math.Sqrt((3.3449037555927136E-05 / (14)) + (0.01314234795315684 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.323567151834647 = (3.8667430518078594 - 5.1178940879577395) / 3.8667430518078594 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfString - Duration of single invocation 8.98 ns 10.15 ns 1.13 0.14 False
IndexOfString - Duration of single invocation 7.51 ns 8.71 ns 1.16 0.08 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.ReadOnlySpan*'

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySpan.IndexOfString(input: "Hello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello Worldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylong!xyz", value: "w", comparisonType: OrdinalIgnoreCase)

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 10.149850494356581 > 9.419208208178945.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -11.250234159851368 (T) = (0 -10.320576618038045) / Math.Sqrt((8.766566868187124E-05 / (14)) + (0.4456102913519054 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.15038006933079093 = (8.971449430658009 - 10.320576618038045) / 8.971449430658009 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.Memory.ReadOnlySpan.IndexOfString(input: "だだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだすだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだ", value: "す", comparisonType: Ordinal)

```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 8.707428376649865 > 7.897536792966942.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -8.233067509181069 (T) = (0 -8.484574598993131) / Math.Sqrt((0.0737051756663628 / (14)) + (0.19663414421679354 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.11675108672682381 = (7.597552131210597 - 8.484574598993131) / 7.597552131210597 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Memory.Span<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfAnyTwoValues - Duration of single invocation 6.71 ns 8.76 ns 1.31 0.13 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Byte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Byte>.IndexOfAnyTwoValues(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 8.764908038530468 > 7.336924366949196.
IsChangePoint: Marked as a change because one of 10/25/2022 2:34:53 PM, 12/14/2022 5:20:21 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -12.507493318753696 (T) = (0 -7.951201045126191) / Math.Sqrt((0.02737587906460868 / (14)) + (0.134843492843042 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.1409708441241541 = (6.968803003226422 - 7.951201045126191) / 6.968803003226422 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ReplaceWords - Duration of single invocation 2.37 μs 2.56 μs 1.08 0.01 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Common.ReplaceWords(Options: Compiled)

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 2.5570293018020647 > 2.4797178079474884.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -25.721242527750718 (T) = (0 -2522.879787305329) / Math.Sqrt((399.5059777685291 / (14)) + (324.2279960021517 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.06799377889876394 = (2362.260752030537 - 2522.879787305329) / 2362.260752030537 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

Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in System.IO.Tests.StringReaderReadLineTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ReadLine - Duration of single invocation 131.32 μs 139.41 μs 1.06 0.01 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StringReaderReadLineTests*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.StringReaderReadLineTests.ReadLine(LineLengthRange: [ 0, 0])

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 139.40952101769912 > 137.80986355851718.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -119.66955152496621 (T) = (0 -139284.20571444806) / Math.Sqrt((19753.253129697147 / (14)) + (94919.11414612409 / (31))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (31) - 2, .025) and -0.06096419732606761 = (131280.7784329424 - 139284.20571444806) / 131280.7784329424 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
@performanceautofiler
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Run Information

Architecture x64
OS ubuntu 18.04
Baseline ee6de921299d1b86a02d9049b9c8dd164cab1401
Compare 7fa0d5b5942f138c362f2753398b4a8d4f71eb73
Diff Diff

Regressions in Microsoft.Extensions.Primitives.StringSegmentBenchmark

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfAny - Duration of single invocation 4.89 ns 6.67 ns 1.36 0.05 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.Extensions.Primitives.StringSegmentBenchmark*'

Payloads

Baseline
Compare

Histogram

Microsoft.Extensions.Primitives.StringSegmentBenchmark.IndexOfAny

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 6.669456846777501 > 5.138558790769339.
IsChangePoint: Marked as a change because one of 11/4/2022 4:27:34 PM, 1/3/2023 6:29:42 AM, 1/9/2023 6:56:09 PM falls between 1/1/2023 3:57:25 AM and 1/9/2023 6:56:09 PM.
IsRegressionStdDev: Marked as regression because -58.50329257620621 (T) = (0 -6.832218472814834) / Math.Sqrt((0.006341276408552079 / (14)) + (0.019870946163708273 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.39006714786732655 = (4.9150276540935325 - 6.832218472814834) / 4.9150276540935325 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

@EgorBo EgorBo mentioned this issue Jan 10, 2023
Closed
@EgorBo EgorBo removed the untriaged label Jan 10, 2023
@EgorBo EgorBo closed this as completed Jan 10, 2023
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