[Perf] Windows/arm64: 1 Regression on 9/5/2024 6:12:12 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	arm64
OS	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	16fe4d41ae95607f9214874ab7f22b3df5d8e561
Compare	1c4755daf8f25f067a360c1dcae0d19df989e4e7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.StringReaderReadToEndTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ReadToEndAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange%3a%20%5b%20%20%201%2c%20%20%20%201%5d).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	24.82 ns	29.25 ns	1.18	0.37	False

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.IO.Tests.StringReaderReadToEndTests*'

### System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 1, 1]) #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

[LoopedBard3]

Looks like noise but we should double check that it does go back down.