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[Perf] Linux/x64: 10 Regressions on 10/3/2023 8:04:03 PM #22928

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performanceautofiler bot opened this issue Oct 10, 2023 · 1 comment
Open

[Perf] Linux/x64: 10 Regressions on 10/3/2023 8:04:03 PM #22928

performanceautofiler bot opened this issue Oct 10, 2023 · 1 comment
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arch-wasm arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression untriaged

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performanceautofiler bot commented Oct 10, 2023 •
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Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.Span<Char>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
58.44 ns 118.46 ns 2.03 0.47 True
176.86 ns 748.98 ns 4.23 0.26 True

graph
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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'

Payloads

Baseline
Compare

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

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 118.45991250127996 > 59.69229423980819.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -31.313396480735175 (T) = (0 -123.59006892060107) / Math.Sqrt((6.807994610479965 / (26)) + (95.82964668513559 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -1.1951685994276302 = (56.30094606529359 - 123.59006892060107) / 56.30094606529359 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.Span<Char>.LastIndexOfValue(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 748.9798603884842 > 181.40153888136928.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -547.1284612779883 (T) = (0 -749.3370521062473) / Math.Sqrt((22.532301438865858 / (25)) + (4.470248646742142 / (22))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (22) - 2, .025) and -3.2982547779576143 = (174.33518737628367 - 749.3370521062473) / 174.33518737628367 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.ContainsFalse<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
346.56 μs 866.58 μs 2.50 0.19 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsFalse&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Collections.ContainsFalse<Int32>.Stack(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 866.584490277778 > 359.7672553328804.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -38.12941682042353 (T) = (0 -870094.6114522096) / Math.Sqrt((4554785384.921865 / (26)) + (11018383.060330376 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -1.385757104018046 = (364703.77055015916 - 870094.6114522096) / 364703.77055015916 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.Span<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
63.28 ns 150.21 ns 2.37 0.50 True
105.55 ns 790.15 ns 7.49 0.34 True

graph
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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Byte&gt;*'

Payloads

Baseline
Compare

System.Memory.Span<Byte>.LastIndexOfValue(Size: 33)

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 150.20588038918729 > 52.73115822651166.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -61.46186033133178 (T) = (0 -152.38674917860033) / Math.Sqrt((21.003136354083935 / (26)) + (43.712509233021976 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -2.06996538532381 = (49.637937257239486 - 152.38674917860033) / 49.637937257239486 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.Span<Byte>.LastIndexOfValue(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 790.1504614819866 > 109.25617110773436.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -783.0574823169646 (T) = (0 -791.6827908075128) / Math.Sqrt((8.808053004471274 / (26)) + (9.54899812552911 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -6.664138623100947 = (103.29703437529867 - 791.6827908075128) / 103.29703437529867 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.Span<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
64.06 ns 113.99 ns 1.78 0.42 True
43.57 ns 61.34 ns 1.41 0.52 False
323.82 ns 829.25 ns 2.56 0.19 True

graph
graph
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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Memory.Span<Int32>.LastIndexOfValue(Size: 33)

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 113.98680891553241 > 67.66770192571319.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -47.84072195410515 (T) = (0 -116.72814663566915) / Math.Sqrt((24.244694359038245 / (26)) + (4.858479221579212 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -0.7861858944113224 = (65.35050299125754 - 116.72814663566915) / 65.35050299125754 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.Span<Int32>.LastIndexOfValue(Size: 4)

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 61.338247457580295 > 45.555875394464124.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -9.749619168426886 (T) = (0 -68.04763279630076) / Math.Sqrt((14.254395526611411 / (26)) + (110.273634203106 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -0.510258100558445 = (45.056956007148 - 68.04763279630076) / 45.056956007148 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

System.Memory.Span<Int32>.LastIndexOfValue(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 829.2540045833593 > 342.4063360112313.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -396.8494405512367 (T) = (0 -834.6207251339729) / Math.Sqrt((25.231572583865304 / (26)) + (14.665605453148078 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -1.5534450039322727 = (326.8606623008005 - 834.6207251339729) / 326.8606623008005 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.ContainsTrue<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
211.79 μs 602.07 μs 2.84 0.29 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsTrue&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Collections.ContainsTrue<Int32>.Stack(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 602.0666663333334 > 223.2174706380208.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -26.322565221404027 (T) = (0 -499732.828801589) / Math.Sqrt((123645921.8826454 / (26)) + (2443250108.481261 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -1.3086674974096988 = (216459.4205801763 - 499732.828801589) / 216459.4205801763 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7abea9ea6ac3cde23fe1a890338e22a5a58a51b6
Compare 213833ea99b79a4b494b2935e1ccb10b93cd4cbc
Diff Diff
Configs CompilationMode:wasm, RunKind:micro

Regressions in Microsoft.Extensions.Primitives.StringSegmentBenchmark

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
48.84 ns 82.65 ns 1.69 0.58 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.Extensions.Primitives.StringSegmentBenchmark*'

Payloads

Baseline
Compare

Microsoft.Extensions.Primitives.StringSegmentBenchmark.LastIndexOf

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 82.65432658122528 > 52.51255556326175.
IsChangePoint: Marked as a change because one of 10/3/2023 2:46:17 PM, 10/9/2023 8:09:24 PM falls between 10/1/2023 7:44:15 AM and 10/9/2023 8:09:24 PM.
IsRegressionStdDev: Marked as regression because -32.23891283554992 (T) = (0 -78.26790540045255) / Math.Sqrt((4.94897562259968 / (26)) + (11.29812844921279 / (22))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (22) - 2, .025) and -0.5280752698332513 = (51.21992806610463 - 78.26790540045255) / 51.21992806610463 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
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