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[Perf 69%] System.Memory.ReadOnlySpan.IndexOfString #2353

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performanceautofiler bot opened this issue Oct 16, 2020 · 0 comments
Open

[Perf 69%] System.Memory.ReadOnlySpan.IndexOfString #2353

performanceautofiler bot opened this issue Oct 16, 2020 · 0 comments

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Run Information

Architecture x64
OS ubuntu 18.04
Changes diff

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Modality Baseline Outlier Baseline ETL Comapre ETL
IndexOfString 8.92 μs 2.81 μs 0.31 True

Related Issue on x64 Windows

[Perf 75%] System.Memory.ReadOnlySpan.IndexOfString

Related Issue on x86 Windows

[Perf 28%] System.Memory.ReadOnlySpan (4)

Historical Data in Reporting System

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Memory.ReadOnlySpan*'

Histogram

System.Memory.ReadOnlySpan.IndexOfString(input: "だ", value: "た", comparisonType: InvariantCulture)

[ 515.246 ;  981.022) | @@@@@@@@@@@@@@@@@
[ 981.022 ; 1446.797) | 
[1446.797 ; 1912.573) | 
[1912.573 ; 2378.349) | 
[2378.349 ; 2844.124) | 
[2844.124 ; 3444.464) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

Docs

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

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