[Perf] Linux/x64: 1 Regression on 5/15/2024 3:50:52 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	46986e2f344268820b0c676c336bb2c10f6480b9
Compare	60edf5bb3e025d14ff0b64fbbb07df93f9037c95
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.BinaryReaderTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ReadNonAsciiChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.IO.Tests.BinaryReaderTests.ReadNonAsciiChar.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	73.79 ns	80.33 ns	1.09	0.02	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.BinaryReaderTests*'

### System.IO.Tests.BinaryReaderTests.ReadNonAsciiChar #### 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 with no obvious cause, but seems potentially real, marking look again.