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[Perf] Changes at 5/12/2022 12:48:56 AM #5298

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performanceautofiler bot opened this issue May 17, 2022 · 0 comments
Closed

[Perf] Changes at 5/12/2022 12:48:56 AM #5298

performanceautofiler bot opened this issue May 17, 2022 · 0 comments
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arch-x64 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr

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performanceautofiler bot commented May 17, 2022 •
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Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
TryParseInt64 - Duration of single invocation 6.30 ns 7.35 ns 1.17 0.04 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8ParserTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt64(value: 12345)

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 7.346078990977538 > 6.603034513495703.
IsChangePoint: Marked as a change because one of 3/7/2022 6:10:39 PM, 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 3/21/2022 1:28:14 PM, 4/20/2022 2:49:46 PM, 4/25/2022 11:05:49 AM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -330.6504937298126 (T) = (0 -7.3723405543160245) / Math.Sqrt((4.731466022772712E-05 / (37)) + (0.0002856648363293117 / (30))) is less than -1.997137908391408 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (30) - 2, .025) and -0.1728815437164356 = (6.285665073180157 - 7.3723405543160245) / 6.285665073180157 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 Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Collections.ContainsKeyFalse<String, String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IDictionary - Duration of single invocation 11.53 μs 13.58 μs 1.18 0.02 True
Dictionary - Duration of single invocation 10.61 μs 11.26 μs 1.06 0.01 False

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.ContainsKeyFalse&lt;String, String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsKeyFalse<String, String>.IDictionary(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 13.575046676624346 > 11.986595461446823.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -36.324186958993735 (T) = (0 -14038.561466815941) / Math.Sqrt((72425.40316975578 / (38)) + (74309.52777493857 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.20670786857649384 = (11633.769723716714 - 14038.561466815941) / 11633.769723716714 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 as regression because Edge Detector said so.

```#### System.Collections.ContainsKeyFalse&lt;String, String&gt;.Dictionary(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 11.257278254649496 > 11.045236594913934.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -18.1069230659014 (T) = (0 -11740.67828659064) / Math.Sqrt((29684.147248151687 / (37)) + (84256.2003670015 / (29))) is less than -1.997729654317006 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (29) - 2, .025) and -0.10364038847550892 = (10638.13757559959 - 11740.67828659064) / 10638.13757559959 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 Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Tests.Perf_Random

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ctor_seeded - Duration of single invocation 369.25 ns 411.71 ns 1.11 0.01 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Random.ctor_seeded

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 411.71172157267347 > 390.10900495837245.
IsChangePoint: Marked as a change because one of 4/16/2022 2:55:52 PM, 4/25/2022 11:05:49 AM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -87.52296740308293 (T) = (0 -411.99088759780034) / Math.Sqrt((7.796070667638537 / (38)) + (0.4025883698658575 / (29))) is less than -1.997137908391408 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (29) - 2, .025) and -0.11040243096369105 = (371.02844528198983 - 411.99088759780034) / 371.02844528198983 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 Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
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 2.31 ms 2.52 ms 1.09 0.02 False
Count - Duration of single invocation 3.08 ms 3.27 ms 1.06 0.01 False
Count - Duration of single invocation 2.63 ms 2.97 ms 1.13 0.01 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --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: 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 2.521972051282051 > 2.429868029378678.
IsChangePoint: Marked as a change because one of 4/13/2022 5:30:39 PM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -28.659398541406297 (T) = (0 -2512485.688724318) / Math.Sqrt((1716416266.987085 / (38)) + (130968487.38130613 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.08728958816524866 = (2310778.762228398 - 2512485.688724318) / 2310778.762228398 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", 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 3.2710900877192985 > 3.241172632716049.
IsChangePoint: Marked as a change because one of 4/6/2022 12:51:22 AM, 4/16/2022 5:36:25 PM, 5/9/2022 5:23:46 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -53.19809438234822 (T) = (0 -3268482.0103220576) / Math.Sqrt((163993484.75678578 / (22)) + (165808340.44030035 / (46))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (46) - 2, .025) and -0.0572229352942034 = (3091573.121625957 - 3268482.0103220576) / 3091573.121625957 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: "Sherlock|Holmes|Watson|Irene|Adler|John|Baker", 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 2.9706703968253962 > 2.7592216105263154.
IsChangePoint: Marked as a change because one of 4/13/2022 8:35:34 PM, 5/9/2022 5:23:46 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -26.890786829748876 (T) = (0 -2904315.4850493176) / Math.Sqrt((608847950.9771135 / (21)) + (3221772131.220937 / (45))) is less than -1.997729654317006 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (45) - 2, .025) and -0.10236657840346375 = (2634618.594166363 - 2904315.4850493176) / 2634618.594166363 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 Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
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 30.46 ms 40.30 ms 1.32 0.01 True
Count - Duration of single invocation 30.58 ms 40.31 ms 1.32 0.01 True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --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 40.29772571428572 > 31.9597995.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/9/2022 5:23:46 PM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -19.63207800229195 (T) = (0 -40208291.83830454) / Math.Sqrt((5892020652530.791 / (38)) + (27349850742.459286 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.23888916314943143 = (32455116.272136386 - 40208291.83830454) / 32455116.272136386 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 as 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 40.30616380952382 > 32.0102605.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/9/2022 5:23:46 PM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -19.75973280660446 (T) = (0 -40359670.25334272) / Math.Sqrt((5912063980791.314 / (38)) + (13194805964.381054 / (29))) is less than -1.997137908391408 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (29) - 2, .025) and -0.23976426410031484 = (32554310.058800854 - 40359670.25334272) / 32554310.058800854 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 as regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Text.Json.Document.Tests.Perf_EnumerateObject

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
PropertyIndexer - Duration of single invocation 3.61 μs 3.89 μs 1.08 0.00 True

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateObject*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Document.Tests.Perf_EnumerateObject.PropertyIndexer(TestCase: ObjectProperties)

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 3.8850211864406785 > 3.7766163144472755.
IsChangePoint: Marked as a change because one of 3/15/2022 12:53:39 AM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -34.287379503004445 (T) = (0 -3866.0129147821435) / Math.Sqrt((1372.2026437406726 / (38)) + (341.6876511848976 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.06510447648061155 = (3629.7030011144807 - 3866.0129147821435) / 3629.7030011144807 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 as regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Text.Json.Document.Tests.Perf_EnumerateArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
EnumerateUsingIndexer - Duration of single invocation 201.79 μs 217.14 μs 1.08 0.00 True

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateArray*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateUsingIndexer(TestCase: Json400KB)

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 217.1428530092592 > 210.69996334134618.
IsChangePoint: Marked as a change because one of 3/15/2022 12:53:39 AM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -87.56925517172964 (T) = (0 -216756.38125894524) / Math.Sqrt((561248.4060895672 / (38)) + (518227.22969360417 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.07795680846655956 = (201080.76646159007 - 216756.38125894524) / 201080.76646159007 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 as regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture x64
OS Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
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
Backtracking - Duration of single invocation 1.68 μs 1.82 μs 1.08 0.03 False
OneNodeBacktracking - Duration of single invocation 1.07 μs 1.13 μs 1.06 0.02 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Backtracking(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 1.818084079116138 > 1.7421491649318805.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 4/9/2022 9:54:15 AM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -18.55827003532213 (T) = (0 -1795.5311930741193) / Math.Sqrt((929.9536969531542 / (38)) + (267.7436072811452 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.0635254566803891 = (1688.2822896205603 - 1795.5311930741193) / 1688.2822896205603 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_Common.OneNodeBacktracking(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 1.1311694209397074 > 1.1246232904849323.
IsChangePoint: Marked as a change because one of 3/24/2022 12:14:34 PM, 4/7/2022 3:14:09 PM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -27.112913643942594 (T) = (0 -1140.415490822549) / Math.Sqrt((181.34410934169154 / (38)) + (21.77604348708647 / (30))) is less than -1.9965644189515832 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (30) - 2, .025) and -0.05903779516701887 = (1076.8411628243127 - 1140.415490822549) / 1076.8411628243127 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 Windows 10.0.18362
Baseline 336a5d2443a5040f43040eb1b559d046479eef5b
Compare 6f15fdc82c47a38d9f5025c1551759417cc78811
Diff Diff

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IterateGetPositionSingleSegment - Duration of single invocation 32.82 ns 34.68 ns 1.06 0.03 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateGetPositionSingleSegment

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 34.68189547159487 > 34.52520621674501.
IsChangePoint: Marked as a change because one of 3/17/2022 2:30:39 AM, 3/23/2022 6:35:24 PM, 4/8/2022 7:02:49 PM, 4/16/2022 5:36:25 PM, 5/11/2022 9:09:01 PM, 5/17/2022 3:30:02 AM falls between 5/8/2022 12:35:08 PM and 5/17/2022 3:30:02 AM.
IsRegressionStdDev: Marked as regression because -25.688381406410326 (T) = (0 -34.72116891722223) / Math.Sqrt((0.044722528095390124 / (38)) + (0.10937690666659404 / (29))) is less than -1.997137908391408 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (38) + (29) - 2, .025) and -0.05490257160090397 = (32.91410017564932 - 34.72116891722223) / 32.91410017564932 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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