[Perf] Linux/arm64: 1 Regression on 3/26/2023 1:21:26 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 20.04
Queue	AmpereUbuntu
Baseline	95dbfc2f9cab66a9d5de834df5f25e8c3a71fc38
Compare	49a2919f66c79f33033659f9722eec24eacc3b22
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchF.Whetsto

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Test - Duration of single invocation	641.87 ms	679.86 ms	1.06	0.02	False

Test Report

Repro

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

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Benchstone.BenchF.Whetsto*'

Payloads

Baseline
Compare

Histogram

Benchstone.BenchF.Whetsto.Test

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 679.8634207142858 > 673.8552090873077.
IsChangePoint: Marked as a change because one of 2/13/2023 5:42:59 PM, 3/26/2023 5:20:11 AM, 3/30/2023 4:24:24 AM falls between 3/21/2023 2:53:21 PM and 3/30/2023 4:24:24 AM.
IsRegressionStdDev: Marked as regression because -15.801452035741692 (T) = (0 -681430562.8922467) / Math.Sqrt((47785558302255.195 / (27)) + (42868481285506.97 / (12))) is less than -2.026192463026769 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (27) + (12) - 2, .025) and -0.05663168080602392 = (644908320.723864 - 681430562.8922467) / 644908320.723864 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

[AndyAyersMS]

Looks like dotnet/runtime#83910.

So this test is measuring OSR codegen.