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[Perf] Windows 10.0.18362/x86 : Improvement on 8/13/2022 9:49:23 PM #7331

@performanceautofiler

Description

@performanceautofiler

Run Information

Architecture x86
OS Windows 10.0.18362
Baseline 30dc7e7aedb7aab085c7d9702afeae5bc5a43133
Compare 7d986fa00cfc93e656e5bc548f244df82c401b59
Diff Diff

Improvements in Microsoft.Extensions.Primitives.StringSegmentBenchmark

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SubString - Duration of single invocation 9.85 ns 7.79 ns 0.79 0.15 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'Microsoft.Extensions.Primitives.StringSegmentBenchmark*'
Details

Payloads

Baseline
Compare

Histogram

Microsoft.Extensions.Primitives.StringSegmentBenchmark.SubString


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 7.792285913242777 < 8.882106499075894.
IsChangePoint: Marked as a change because one of 8/13/2022 7:54:18 PM, 8/15/2022 12:02:22 PM falls between 8/5/2022 10:47:59 PM and 8/15/2022 12:02:22 PM.
IsImprovementStdDev: Marked as improvement because 50.16597215198445 (T) = (0 -7.895863568413714) / Math.Sqrt((0.05732900109567793 / (299)) + (0.006822821273635317 / (10))) is greater than 1.9677212881555053 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (10) - 2, .975) and 0.15813016175799102 = (9.37896003603341 - 7.895863568413714) / 9.37896003603341 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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