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[Perf] Linux/x64: 7 Regressions on 8/15/2023 7:48:35 PM #20678

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performanceautofiler bot opened this issue Aug 22, 2023 · 1 comment
Closed

[Perf] Linux/x64: 7 Regressions on 8/15/2023 7:48:35 PM #20678

performanceautofiler bot opened this issue Aug 22, 2023 · 1 comment
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression runtime-coreclr

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performanceautofiler bot commented Aug 22, 2023 •
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Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.Perf_Path

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
14.40 ns 16.02 ns 1.11 0.25 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.Perf_Path*'

Payloads

Baseline
Compare

System.IO.Tests.Perf_Path.GetExtension

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -14.708127228565202 (T) = (0 -16.481190582290413) / Math.Sqrt((0.016624425550492598 / (5)) + (0.24632016647071023 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.1433848704792793 = (14.414385748677867 - 16.481190582290413) / 14.414385748677867 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BitOperations

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
485.76 ns 535.22 ns 1.10 0.07 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.Numerics.Tests.Perf_BitOperations*'

Payloads

Baseline
Compare

System.Numerics.Tests.Perf_BitOperations.Log2_ulong

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -189.56708358268537 (T) = (0 -535.2444534904023) / Math.Sqrt((0.0329071440799123 / (5)) + (0.9271699163160454 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.10207696071109774 = (485.6688530581787 - 535.2444534904023) / 485.6688530581787 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 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
938.08 ns 1.06 μs 1.13 0.32 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateArray*'

Payloads

Baseline
Compare

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

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -13.13257947880231 (T) = (0 -1040.9767155803122) / Math.Sqrt((0.8299207574944247 / (5)) + (895.1611611011415 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.10814700893424294 = (939.385033923855 - 1040.9767155803122) / 939.385033923855 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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateForEach<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
4.30 μs 4.72 μs 1.10 0.18 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.IterateForEach&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Collections.IterateForEach<Int32>.ConcurrentDictionary(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -8.900581587137129 (T) = (0 -4949.7522402103805) / Math.Sqrt((212.82410497773614 / (5)) + (73532.64154417232 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.1447495327713311 = (4323.873562304494 - 4949.7522402103805) / 4323.873562304494 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 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsTrueComparer<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
15.43 μs 16.87 μs 1.09 0.04 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.ContainsTrueComparer&lt;Int32&gt;*'

Payloads

Baseline
Compare

System.Collections.ContainsTrueComparer<Int32>.SortedSet(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -77.8134532121292 (T) = (0 -16900.01560893486) / Math.Sqrt((204.876850256872 / (5)) + (4647.289790025769 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.09437578169644069 = (15442.607458598355 - 16900.01560893486) / 15442.607458598355 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 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.AddGivenSize<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
1.79 μs 2.00 μs 1.12 0.36 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.AddGivenSize&lt;String&gt;*'

Payloads

Baseline
Compare

System.Collections.AddGivenSize<String>.Queue(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -6.471314056459942 (T) = (0 -1926.5975688875565) / Math.Sqrt((1837.128512596182 / (5)) + (2515.351483834642 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.08424681934504306 = (1776.8994425562153 - 1926.5975688875565) / 1776.8994425562153 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 3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateFor<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
1.69 μs 1.80 μs 1.07 0.07 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.IterateFor&lt;String&gt;*'

Payloads

Baseline
Compare

System.Collections.IterateFor<String>.IList(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 8/8/2023 9:37:01 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsRegressionStdDev: Marked as regression because -151.70602422352837 (T) = (0 -1801.801936724348) / Math.Sqrt((1.6103980465130134 / (5)) + (3.265272919613249 / (15))) is less than -2.100922040224263 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (15) - 2, .025) and -0.06593704502988693 = (1690.3455463205416 - 1801.801936724348) / 1690.3455463205416 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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