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[Perf] Changes at 7/8/2022 4:13:41 PM #6738

@performanceautofiler

Description

@performanceautofiler

Run Information

Architecture x64
OS alpine 3.15
Baseline 0ab2c1e92e2383b3969688ede5bbcf106527bbcb
Compare 9a0eec0ec08e861d8c477373604ec2a84800a994
Diff Diff

Improvements in System.Formats.Tar.Tests.Perf_TarFile

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ExtractToDirectory_Path - Duration of single invocation 42.92 μs 37.24 μs 0.87 0.05 False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Formats.Tar.Tests.Perf_TarFile*'

Payloads

Baseline
Compare

Histogram

System.Formats.Tar.Tests.Perf_TarFile.ExtractToDirectory_Path


Description of detection logic

IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 37.235247734203405 < 38.877522068708494.
IsChangePoint: Marked as a change because one of 6/19/2022 4:44:31 AM, 7/8/2022 12:50:30 PM, 7/12/2022 10:14:57 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 10:14:57 AM.
IsImprovementStdDev: Marked as improvement because 40.760642686655835 (T) = (0 -37222.49516412369) / Math.Sqrt((1355475.7539438922 / (299)) + (146482.34291494955 / (25))) is greater than 1.9673585853226652 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (25) - 2, .975) and 0.1004238318425217 = (41377.81377686251 - 37222.49516412369) / 41377.81377686251 is greater than 0.05.
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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