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[Perf] Linux/arm64: Regressions in System.Collections.TryAddGiventSize #96500

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@performanceautofiler

Run Information

Name Value
Architecture arm64
OS ubuntu 20.04
Queue AmpereUbuntu
Baseline 60be20ccdea212f1fa841f01114cc72324e7d56f
Compare 276aa2dc8f7cf5350df4c1bf8cdf056f207b1518
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.TryAddGiventSize<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
5.68 μs 6.21 μs 1.09 0.03 False

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryAddGiventSize&lt;Int32&gt;*'
Details

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Baseline
Compare

System.Collections.TryAddGiventSize<Int32>.Dictionary(Count: 512)

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Histogram

JIT Disasms

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

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PGOarch-arm64area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMIos-linuxLinux OS (any supported distro)runtime-coreclrspecific to the CoreCLR runtime

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