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[Perf -22%] Layout.SearchLoops (2) #1964

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performanceautofiler bot opened this issue Sep 29, 2020 · 0 comments
Closed

[Perf -22%] Layout.SearchLoops (2) #1964

performanceautofiler bot opened this issue Sep 29, 2020 · 0 comments

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Run Information

Architecture x64
OS Windows 10.0.18362
Changes diff

Regressions in Layout.SearchLoops

Benchmark Baseline Test Test/Base Modality Baseline Outlier
LoopReturn 57.12 ns 69.42 ns 1.22 Bimodal False
LoopGoto 56.90 ns 69.26 ns 1.22 Bimodal True

Historical Data in Reporting System

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'Layout.SearchLoops*'

Histogram

Layout.SearchLoops.LoopReturn

[55.571 ; 59.265) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[59.265 ; 62.959) | 
[62.959 ; 67.284) | 
[67.284 ; 71.280) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

Layout.SearchLoops.LoopGoto

[55.167 ; 58.917) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[58.917 ; 62.667) | 
[62.667 ; 67.320) | 
[67.320 ; 71.413) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

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