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[Perf] Changes at 6/27/2022 5:19:23 PM #6523

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performanceautofiler bot opened this issue Jul 5, 2022 · 3 comments
Closed

[Perf] Changes at 6/27/2022 5:19:23 PM #6523

performanceautofiler bot opened this issue Jul 5, 2022 · 3 comments
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@kunalspathak
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arch-x86 branch-refs/heads/main kind-micro os-windows perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged

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performanceautofiler bot commented Jul 5, 2022 •
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Run Information

Architecture x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Collections.TryGetValueTrue<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 16.96 μs 20.09 μs 1.18 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.Collections.TryGetValueTrue&lt;String, String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.TryGetValueTrue<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 20.090707314457315 > 17.93734161820127.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -59.074240363476164 (T) = (0 -20031.31436306825) / Math.Sqrt((25010.96931407557 / (13)) + (21549.537621726875 / (39))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (39) - 2, .025) and -0.17200216271802707 = (17091.533616809204 - 20031.31436306825) / 17091.533616809204 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Tests.Perf_Version

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToStringL - Duration of single invocation 104.98 ns 135.55 ns 1.29 0.02 False
TryFormatL - Duration of single invocation 89.63 ns 119.49 ns 1.33 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.Tests.Perf_Version*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Version.ToStringL

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 135.54983781036518 > 110.53936462885197.
IsChangePoint: Marked as a change because one of 5/5/2022 12:13:02 AM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -153.881708837624 (T) = (0 -135.7324307850285) / Math.Sqrt((0.4072879237403935 / (12)) + (0.12832779232885416 / (35))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (35) - 2, .025) and -0.28181494737024415 = (105.89081603666386 - 135.7324307850285) / 105.89081603666386 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_Version.TryFormatL

```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 119.49324122430951 > 94.12936988118697.
IsChangePoint: Marked as a change because one of 5/5/2022 12:13:02 AM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -146.43123492479535 (T) = (0 -119.83821822812234) / Math.Sqrt((0.02957987888263038 / (10)) + (1.4991548678760405 / (38))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (10) + (38) - 2, .025) and -0.33624486207382354 = (89.68282807249562 - 119.83821822812234) / 89.68282807249562 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Text.Perf_Utf8Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetBytes - Duration of single invocation 214.80 μs 229.12 μs 1.07 0.00 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Perf_Utf8Encoding*'

Payloads

Baseline
Compare

Histogram

System.Text.Perf_Utf8Encoding.GetBytes(Input: Greek)

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 229.12461180124222 > 226.52214192708334.
IsChangePoint: Marked as a change because one of 5/16/2022 5:45:53 PM, 5/31/2022 6:06:22 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -19.905073583606114 (T) = (0 -227986.3350365568) / Math.Sqrt((2815645.962568115 / (12)) + (3553703.014274096 / (39))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (39) - 2, .025) and -0.05244470392852297 = (216625.4760801576 - 227986.3350365568) / 216625.4760801576 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Tests.Perf_Int16

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 11.55 ns 13.16 ns 1.14 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.Tests.Perf_Int16*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int16.ToString(value: 32767)

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 13.157181720360864 > 12.164430364912972.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 5/30/2022 12:57:05 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -83.03108658945924 (T) = (0 -13.204599871367074) / Math.Sqrt((0.002640416036380294 / (11)) + (0.0046689873228349 / (35))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (11) + (35) - 2, .025) and -0.13832137827543398 = (11.600063148574218 - 13.204599871367074) / 11.600063148574218 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Tests.Perf_SByte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 8.85 ns 10.01 ns 1.13 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.Tests.Perf_SByte*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_SByte.ToString(value: 127)

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 10.005480265327012 > 9.292779266369914.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 5/30/2022 12:57:05 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -37.77203957474321 (T) = (0 -10.04146170055147) / Math.Sqrt((0.0011242657975215722 / (12)) + (0.03431124061614244 / (37))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (37) - 2, .025) and -0.13661698276408352 = (8.834516686643312 - 10.04146170055147) / 8.834516686643312 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Memory.Slice<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
MemoryStartSpan - Duration of single invocation 2.77 ns 4.96 ns 1.79 0.07 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Memory.Slice<Byte>.MemoryStartSpan

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 4.955379807663401 > 2.916418158257601.
IsChangePoint: Marked as a change because one of 5/20/2022 10:18:01 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -113.52736863424414 (T) = (0 -4.998623591435183) / Math.Sqrt((0.004025279597783472 / (14)) + (0.0028156843704145542 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.7860642035766832 = (2.798680798498278 - 4.998623591435183) / 2.798680798498278 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Tests.Perf_Uri

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Ctor - Duration of single invocation 107.94 ns 114.50 ns 1.06 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.Tests.Perf_Uri*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Uri.Ctor

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 114.50181639320365 > 113.51764074916692.
IsChangePoint: Marked as a change because one of 6/2/2022 5:58:32 PM, 6/7/2022 6:20:49 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -23.93097709507501 (T) = (0 -115.50484054067753) / Math.Sqrt((0.4671489250103736 / (12)) + (1.4908296880047838 / (37))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (37) - 2, .025) and -0.061926567262963333 = (108.76914101356618 - 115.50484054067753) / 108.76914101356618 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in V8.Crypto.Support

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Bench - Duration of single invocation 7.36 ms 7.92 ms 1.08 0.00 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'V8.Crypto.Support*'

Payloads

Baseline
Compare

Histogram

V8.Crypto.Support.Bench

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 7.918412258064516 > 7.616188485294117.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -39.74818310971154 (T) = (0 -7922488.893002421) / Math.Sqrt((3173858083.759653 / (14)) + (1243256974.1608372 / (32))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (32) - 2, .025) and -0.0890382862243076 = (7274756.997267438 - 7922488.893002421) / 7274756.997267438 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Globalization.Tests.StringEquality

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Compare_Same_Upper - Duration of single invocation 1.49 μs 1.65 μs 1.11 0.02 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, 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 1.6529420619960205 > 1.5723748063163028.
IsChangePoint: Marked as a change because one of 5/18/2022 10:04:15 AM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -63.35475693818205 (T) = (0 -1659.4830665354345) / Math.Sqrt((50.96137322411445 / (11)) + (74.70140068005917 / (39))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (11) + (39) - 2, .025) and -0.10827199515818 = (1497.360822781218 - 1659.4830665354345) / 1497.360822781218 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 x86
OS Windows 10.0.18362
Baseline 988f570dc4ddd79a166ca8cbc184b2938ed2fefc
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Collections.AddGivenSize<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
HashSet - Duration of single invocation 17.29 μs 19.08 μs 1.10 0.26 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.AddGivenSize&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.AddGivenSize<String>.HashSet(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 19.07746958158263 > 18.95716508510954.
IsChangePoint: Marked as a change because one of 5/30/2022 5:18:40 PM, 6/26/2022 6:11:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -4.604384194296194 (T) = (0 -19553.32526464886) / Math.Sqrt((2210995.7559413156 / (11)) + (365820.0912324677 / (40))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (11) + (40) - 2, .025) and -0.12100962720171221 = (17442.60244531377 - 19553.32526464886) / 17442.60244531377 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
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
StartsWith - Duration of single invocation 13.76 ns 15.81 ns 1.15 0.35 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span&lt;Char&gt;*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Char>.StartsWith(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 15.810275924189785 > 14.447732852274873.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -11.913118468021302 (T) = (0 -15.705075972465302) / Math.Sqrt((0.05411415853397115 / (13)) + (0.7912733446163401 / (39))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (39) - 2, .025) and -0.13457804478215954 = (13.84221741703163 - 15.705075972465302) / 13.84221741703163 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in PerfLabTests.LowLevelPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IntegerFormatting - Duration of single invocation 2.19 ms 2.31 ms 1.05 0.00 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

PerfLabTests.LowLevelPerf.IntegerFormatting

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 2.3073209226190476 > 2.3054141785714286.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/24/2022 3:42:52 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -89.79026463182953 (T) = (0 -2310201.1147459988) / Math.Sqrt((12144260.818079213 / (12)) + (24338044.040397197 / (38))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (38) - 2, .025) and -0.052590741292198526 = (2194776.2070469214 - 2310201.1147459988) / 2194776.2070469214 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
OrderBy - Duration of single invocation 4.74 μs 5.05 μs 1.07 0.00 False
Where - Duration of single invocation 662.77 ns 753.60 ns 1.14 0.04 False
Reverse - Duration of single invocation 1.25 μs 1.42 μs 1.14 0.03 False
Average - Duration of single invocation 325.26 ns 506.08 ns 1.56 0.06 False

graph
graph
graph
graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Linq.Tests.Perf_Enumerable.OrderBy(input: IEnumerable)

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 5.049938072159396 > 4.978843327627318.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -27.747707714294993 (T) = (0 -4991.925070293302) / Math.Sqrt((73.48158756226002 / (12)) + (2408.2148849700266 / (33))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (33) - 2, .025) and -0.05200740665488232 = (4745.142513935679 - 4991.925070293302) / 4745.142513935679 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.Linq.Tests.Perf_Enumerable.Where(input: Array)

```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 753.5982993893812 > 695.917201817853.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/11/2022 9:09:01 PM, 5/28/2022 5:31:50 AM, 5/31/2022 9:21:33 PM, 6/6/2022 10:51:35 AM, 6/10/2022 11:27:32 AM, 6/22/2022 6:53:40 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -52.421534321015656 (T) = (0 -753.1897412534973) / Math.Sqrt((116.04701134725855 / (42)) + (0.1684413667748993 / (7))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (7) - 2, .025) and -0.13146896752676684 = (665.6742366517262 - 753.1897412534973) / 665.6742366517262 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.Linq.Tests.Perf_Enumerable.Reverse(input: IEnumerable)

```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 1.4232582346690956 > 1.3145192928032448.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/11/2022 9:09:01 PM, 5/28/2022 5:31:50 AM, 5/31/2022 9:21:33 PM, 6/6/2022 10:51:35 AM, 6/10/2022 11:27:32 AM, 6/22/2022 6:53:40 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -47.52685391356721 (T) = (0 -1389.9560684086118) / Math.Sqrt((1.146467006637895 / (13)) + (327.1261725808977 / (39))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (39) - 2, .025) and -0.11055392100292837 = (1251.5880968241133 - 1389.9560684086118) / 1251.5880968241133 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.Linq.Tests.Perf_Enumerable.Average(input: IEnumerable)

```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 506.0824099031646 > 341.62687882728505.
IsChangePoint: Marked as a change because one of 6/22/2022 10:05:16 PM, 6/30/2022 12:21:07 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -39.914342702671505 (T) = (0 -488.1171887173606) / Math.Sqrt((262.1200583475591 / (33)) + (190.52434709446834 / (19))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (33) + (19) - 2, .025) and -0.5305644461341974 = (318.9131891507189 - 488.1171887173606) / 318.9131891507189 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 performanceautofiler bot added CoreClr PGO Applied if there were any profile guided optimization updates in the observed interval. untriaged labels Jul 5, 2022
@performanceautofiler
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performanceautofiler bot commented Jul 5, 2022 •
edited
Loading

Run Information

Architecture x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.IO.Tests.Perf_StreamWriter

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WritePartialCharArray - Duration of single invocation 116.48 ms 136.87 ms 1.18 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.IO.Tests.Perf_StreamWriter*'

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

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 136.87204666666665 > 122.26970874999999.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -26.213038188243708 (T) = (0 -135760321.14239925) / Math.Sqrt((12550549490.410683 / (14)) + (19450525566823.035 / (36))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (14) + (36) - 2, .025) and -0.165559172950046 = (116476558.45630561 - 135760321.14239925) / 116476558.45630561 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Dictionary - Duration of single invocation 14.35 μs 16.38 μs 1.14 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.Collections.ContainsKeyTrue&lt;String, String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsKeyTrue<String, String>.Dictionary(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 16.375490945850913 > 15.120076588198735.
IsChangePoint: Marked as a change because one of 5/23/2022 7:50:08 PM, 5/24/2022 7:55:26 PM, 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -31.0893172076481 (T) = (0 -16384.287844111735) / Math.Sqrt((38497.961138846964 / (12)) + (29329.413741717657 / (35))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (35) - 2, .025) and -0.13726725929150557 = (14406.71725159732 - 16384.287844111735) / 14406.71725159732 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
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
Next_int_int_unseeded - Duration of single invocation 14.88 ns 15.89 ns 1.07 0.06 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.Next_int_int_unseeded

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 15.886102000275416 > 15.628743323583105.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -4.418622274209678 (T) = (0 -15.992361377833385) / Math.Sqrt((0.4876253604347575 / (13)) + (0.17572868605105255 / (42))) is less than -2.005745995316835 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (42) - 2, .025) and -0.059790080799475606 = (15.090121777483708 - 15.992361377833385) / 15.090121777483708 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 x86
OS Windows 10.0.18362
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare 601ef262b5eca9a48a6207d4aa7f304c0827fdc8
Diff Diff

Regressions in System.Globalization.Tests.StringSearch

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IsSuffix_DifferentLastChar - Duration of single invocation 16.97 ns 18.18 ns 1.07 0.27 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, Ordinal, False))

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 18.184209872511996 > 17.8254971943954.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -3.572033217019384 (T) = (0 -18.718906552903665) / Math.Sqrt((1.0012866006678138 / (12)) + (1.7069714870762747 / (38))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (38) - 2, .025) and -0.07338491513263214 = (17.439136966621778 - 18.718906552903665) / 17.439136966621778 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 x86
OS Windows 10.0.18362
Baseline 988f570dc4ddd79a166ca8cbc184b2938ed2fefc
Compare 844b0999fde67cdbaa7acb0f398ea1b066a2b8c7
Diff Diff

Regressions in System.Collections.CreateAddAndRemove<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
HashSet - Duration of single invocation 41.42 μs 45.19 μs 1.09 0.17 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CreateAddAndRemove&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.CreateAddAndRemove<String>.HashSet(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 45.192717967244704 > 43.46384640172371.
IsChangePoint: Marked as a change because one of 5/28/2022 5:31:50 AM, 6/26/2022 6:11:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -8.712660750977818 (T) = (0 -43883.96099923706) / Math.Sqrt((1445959.5460368379 / (10)) + (1540844.7893621535 / (37))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (10) + (37) - 2, .025) and -0.09370957198324821 = (40123.96172016789 - 43883.96099923706) / 40123.96172016789 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

@mrsharm
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mrsharm commented Aug 12, 2022

Hi @kunalspathak,

Seems like the regression persisted and was seemingly caused by the PGO update based on the historical data for x86:

image

Should we open a new issue or do we consider this regression to be by design?

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

Result Ratio Alloc Delta Operating System Bit Processor Name
Slower 0.89 +0 Windows 11 Arm64 Microsoft SQ1 3.0 GHz
Same 1.06 +0 Windows 11 Arm64 Microsoft SQ1 3.0 GHz
Same 1.13 +0 macOS Monterey 12.3 Arm64 Apple M1 Max
Same 0.91 +0 Windows 10 X64 Intel Xeon CPU E5-1650 v4 3.60GHz
Slower 0.86 +0 Windows 10 X64 Intel Core i7-6700 CPU 3.40GHz (Skylake)
Slower 0.86 +0 Windows 10 X64 Intel Core i7-6700 CPU 3.40GHz (Skylake)
Same 1.11 +0 Windows 10 X64 Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R)
Same 1.12 +0 Windows 10 X64 Intel Core i9-10900K CPU 3.70GHz
Slower 0.89 +0 Windows 11 X64 AMD Ryzen Threadripper PRO 3945WX 12-Cores
Slower 0.88 +0 Windows 11 X64 AMD Ryzen 9 3950X
Slower 0.82 +0 Windows 11 X64 AMD Ryzen 9 5900X
Slower 0.80 +0 Windows 11 X64 AMD Ryzen 9 5950X
Slower 0.85 +0 Windows 11 X64 Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
Same 1.11 +0 Windows 11 X64 Intel Core i9-10900K CPU 3.70GHz
Slower 0.88 +0 Windows 11 X64 11th Gen Intel Core i9-11900H 2.50GHz
Slower 0.88 +0 ubuntu 18.04 X64 Intel Xeon CPU E5-1650 v4 3.60GHz
Same 1.03 +0 ubuntu 18.04 X64 Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge)
Slower 0.80 +0 ubuntu 18.04 X64 Intel Core i7-8700 CPU 3.20GHz (Coffee Lake)
Same 1.07 +0 ubuntu 20.04 X64 AMD Ryzen 9 5900X
Slower 0.86 +0 ubuntu 20.04 X64 Intel Core i9-10900K CPU 3.70GHz
Same 0.98 +0 Windows 10 X86 Intel Xeon CPU E5-1650 v4 3.60GHz
Same 0.94 +0 Windows 10 X86 Intel Core i7-6700 CPU 3.40GHz (Skylake)
Slower 0.87 +0 Windows 11 X86 AMD Ryzen Threadripper PRO 3945WX 12-Cores
Slower 0.87 +0 macOS Big Sur 11.6.8 X64 Intel Core i5-4278U CPU 2.60GHz (Haswell)
Slower 0.86 +0 macOS Monterey 12.3.1 X64 Intel Core i7-5557U CPU 3.10GHz (Broadwell)
Same 0.99 +0 macOS Monterey 12.4 X64 Intel Core i5-4278U CPU 2.60GHz (Haswell)

@kunalspathak
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The 3 spikes are something that is worth investigating:
image

  1. dotnet/runtime@52f4e7c...8fe39db
  2. dotnet/runtime@7331be5...9768606
  3. dotnet/runtime@9f68db2...214ca6d

@mrsharm mrsharm mentioned this issue Aug 12, 2022
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@kunalspathak kunalspathak

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arch-x86 branch-refs/heads/main kind-micro os-windows perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged
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