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[Perf] ubuntu 20.04/arm64 : Improvement on 8/17/2022 2:33:27 AM · Issue #8018 · dotnet/perf-autofiling-issues · GitHub
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[Perf] ubuntu 20.04/arm64 : Improvement on 8/17/2022 2:33:27 AM #8018

@performanceautofiler

Description

@performanceautofiler

Run Information

Architecture arm64
OS ubuntu 20.04
Baseline 3439e2ce9b2dbb7649b44136de7ddad140471289
Compare 0a76d1ec9906951a3486ee4ca97f1035cc7fe475
Diff Diff

Improvements in System.IO.Tests.Perf_FileInfo

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ctor_str - Duration of single invocation 229.36 ns 162.10 ns 0.71 0.61 False

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.IO.Tests.Perf_FileInfo.ctor_str


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 162.09594105484888 < 194.89290742685162.
IsChangePoint: Marked as a change because one of 6/23/2022 3:07:42 AM, 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 8/17/2022 2:19:52 AM, 8/25/2022 6:55:57 AM falls between 8/16/2022 2:19:13 PM and 8/25/2022 6:55:57 AM.
IsImprovementStdDev: Marked as improvement because 12.026076496812836 (T) = (0 -162.10850846051417) / Math.Sqrt((738.9079754278956 / (299)) + (411.9357131065255 / (35))) is greater than 1.9671350567190904 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (35) - 2, .975) and 0.21872173454601251 = (207.49138383660997 - 162.10850846051417) / 207.49138383660997 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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