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[Perf] Windows/x64: 1 Regression on 6/16/2025 4:50:19 AM +00:00 #58142

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[Perf] Windows/x64: 1 Regression on 6/16/2025 4:50:19 AM +00:00#58142
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arch-x64branch-refs/heads/mainkind-microos-windowsperf-regressionruntime-coreclr

Description

@performanceautofiler
performanceautofiler
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opened on Jun 24, 2025

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 9ed11b9729f17813247a8bebd39873c32305fc7e
Compare 179473d3c8a1012b036ad732d02804b062923e8d
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
28.69 ns 37.49 ns 1.31 0.02 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt64*'
Details

System.Tests.Perf_UInt64.Parse(value: "18446744073709551615")

ETL Files

Histogram

JIT Disasms

Docs

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

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