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[Perf] Windows/arm64: 6 Regressions on 8/8/2023 7:20:25 PM #20600

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performanceautofiler bot opened this issue Aug 17, 2023 · 1 comment
Closed

[Perf] Windows/arm64: 6 Regressions on 8/8/2023 7:20:25 PM #20600

performanceautofiler bot opened this issue Aug 17, 2023 · 1 comment
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arch-arm64 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr untriaged

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performanceautofiler bot commented Aug 17, 2023 •
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Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline e857642fd03f8a6acdf42af7d9a814e320ec8432
Compare 88633ae045e7741fffa17710dc48e9032e519258
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
54.83 ns 66.01 ns 1.20 0.00 True
54.90 ns 66.07 ns 1.20 0.00 True

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

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

Payloads

Baseline
Compare

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x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: "x", comparisonType: Ordinal)

ETL Files

Histogram

Description of detection logic

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.
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 66.00726925424684 > 57.54849500011297.
IsChangePoint: Marked as a change because one of 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -444.2143822997199 (T) = (0 -66.03464411139534) / Math.Sqrt((0.002249613900102017 / (7)) + (0.004774673453021246 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.2050210671027819 = (54.79957646729087 - 66.03464411139534) / 54.79957646729087 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.

JIT Disasms

System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "X", comparisonType: Ordinal)

ETL Files

Histogram

Description of detection logic

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.
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 66.06554265395091 > 57.55672493143969.
IsChangePoint: Marked as a change because one of 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -355.1570934860675 (T) = (0 -66.04187156120148) / Math.Sqrt((0.004916241198787318 / (7)) + (0.0044508760792120695 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.20478790210065015 = (54.81618087802165 - 66.04187156120148) / 54.81618087802165 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline e857642fd03f8a6acdf42af7d9a814e320ec8432
Compare 88633ae045e7741fffa17710dc48e9032e519258
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_DateTimeOffset

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
42.76 ns 46.30 ns 1.08 0.05 False

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

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

Payloads

Baseline
Compare

System.Tests.Perf_DateTimeOffset.ToString(format: "r")

ETL Files

Histogram

Description of detection logic

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.
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 46.29659424858686 > 43.76571018660456.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -13.634161157348188 (T) = (0 -46.69386179697929) / Math.Sqrt((0.36364067808707845 / (7)) + (1.2291097364650831 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.11962260368343712 = (41.70500099172841 - 46.69386179697929) / 41.70500099172841 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline e857642fd03f8a6acdf42af7d9a814e320ec8432
Compare 88633ae045e7741fffa17710dc48e9032e519258
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_DateTime

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
34.09 ns 36.57 ns 1.07 0.08 False

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

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

Payloads

Baseline
Compare

System.Tests.Perf_DateTime.ToString(format: "r")

ETL Files

Histogram

Description of detection logic

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.
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 36.56693378913182 > 36.13641624618141.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -9.278107815702906 (T) = (0 -38.15543904591171) / Math.Sqrt((0.37483682821300507 / (7)) + (1.2650349769557026 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.09925640977105708 = (34.710226573851294 - 38.15543904591171) / 34.710226573851294 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline e857642fd03f8a6acdf42af7d9a814e320ec8432
Compare 88633ae045e7741fffa17710dc48e9032e519258
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Char>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
27.28 ns 32.59 ns 1.19 0.02 True

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

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

Payloads

Baseline
Compare

System.Memory.Span<Char>.IndexOfValue(Size: 512)

ETL Files

Histogram

Description of detection logic

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.
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 32.59169650302592 > 28.56217996819102.
IsChangePoint: Marked as a change because one of 7/29/2023 11:09:12 AM, 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -18.151529025898874 (T) = (0 -32.046801623450484) / Math.Sqrt((0.3933180988280854 / (7)) + (0.3811966141315643 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.19303206863147854 = (26.861643090794047 - 32.046801623450484) / 26.861643090794047 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline e857642fd03f8a6acdf42af7d9a814e320ec8432
Compare 88633ae045e7741fffa17710dc48e9032e519258
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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
4.33 ms 5.32 ms 1.23 0.16 False

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

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

Payloads

Baseline
Compare

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern: "[\w]+://[^/\\s?#]+[^\\s?#]+(?:\?[^\\s#])?(?:#[^\\s])?", Options: NonBacktracking)

ETL Files

Histogram

Description of detection logic

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.
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 5.318817 > 4.5396378269592255.
IsChangePoint: Marked as a change because one of 6/12/2023 3:15:58 AM, 7/24/2023 8:03:13 PM, 8/8/2023 8:10:39 AM, 8/16/2023 6:53:02 PM falls between 8/7/2023 10:39:59 PM and 8/16/2023 6:53:02 PM.
IsRegressionStdDev: Marked as regression because -39.04794803526357 (T) = (0 -5266082.866666666) / Math.Sqrt((1679362860.5700815 / (7)) + (4977955995.5523815 / (15))) is less than -2.0859634472534285 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (7) + (15) - 2, .025) and -0.21551805244119163 = (4332377.339925559 - 5266082.866666666) / 4332377.339925559 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.

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@AndyAyersMS
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Similar test of tests as in #20608

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