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[Perf] Linux/arm64: 2 Regressions on 10/18/2022 8:25:03 PM #9215

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performanceautofiler bot opened this issue Oct 25, 2022 · 0 comments
Closed

[Perf] Linux/arm64: 2 Regressions on 10/18/2022 8:25:03 PM #9215

performanceautofiler bot opened this issue Oct 25, 2022 · 0 comments
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ampere arch-arm64 branch-refs/heads/main kind-micro_mono mono-aot os-linux perf-regression runtime-mono untriaged

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performanceautofiler bot commented Oct 25, 2022 •
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Run Information

Architecture arm64
OS ubuntu 20.04
Baseline 59f14ac45408d557bd6b423e7a9c175adc85e125
Compare 51e3afb2ba42609c3711cb50fb5eaa6800bc1fde
Diff Diff

Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation 2.15 μs 2.34 μs 1.09 0.03 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json400B)

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.
IsRegressionWindowed: Marked as regression because 2.3431337979976004 > 2.262980219113346.
IsChangePoint: Marked as a change because one of 10/17/2022 3:19:47 PM, 10/25/2022 2:56:59 AM falls between 10/16/2022 1:59:33 AM and 10/25/2022 2:56:59 AM.
IsRegressionStdDev: Marked as regression because -84.06756950644873 (T) = (0 -2347.9734009901213) / Math.Sqrt((37.64863685657411 / (10)) + (29.68422194619769 / (20))) is less than -2.048407141790485 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (10) + (20) - 2, .025) and -0.08936111252141764 = (2155.3673745114143 - 2347.9734009901213) / 2155.3673745114143 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.
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 arm64
OS ubuntu 20.04
Baseline 8393c4eb74afecaa70267b2a94b9b94c1d1ae384
Compare 51e3afb2ba42609c3711cb50fb5eaa6800bc1fde
Diff Diff

Regressions in System.Numerics.Tests.Perf_VectorOf<Double>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
AddOperatorBenchmark - Duration of single invocation 11.95 ns 13.02 ns 1.09 0.03 False

Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Numerics.Tests.Perf_VectorOf<Double>.AddOperatorBenchmark

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.
IsRegressionWindowed: Marked as regression because 13.023242572435729 > 12.580130572082748.
IsChangePoint: Marked as a change because one of 10/18/2022 9:26:37 AM, 10/25/2022 2:56:59 AM falls between 10/16/2022 1:59:33 AM and 10/25/2022 2:56:59 AM.
IsRegressionStdDev: Marked as regression because -8.215620626192246 (T) = (0 -12.767613952394905) / Math.Sqrt((0.05247337742355593 / (13)) + (0.04290067600246108 / (20))) is less than -2.0395134463927462 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (20) - 2, .025) and -0.05328715224163454 = (12.121683935119231 - 12.767613952394905) / 12.121683935119231 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
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ampere arch-arm64 branch-refs/heads/main kind-micro_mono mono-aot os-linux perf-regression runtime-mono untriaged
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