[Perf] Linux/x64: 2 Regressions on 6/17/2025 11:00:39 AM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	f76e2038057f2241ebfdbadf2e3521f8703d0f81
Compare	504fb7da4ce09352d15299b10b2baaa50bcd12b2
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Regressions in System.Tests.Perf_String

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TrimEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	106.84 ns	172.30 ns	1.61	0.50	False
IndexOfAny - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	79.87 ns	118.38 ns	1.48	0.51	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.Tests.Perf_String*'

System.Tests.Perf_String.TrimEnd(s: "Test ")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.IndexOfAny

ETL Files

Histogram

JIT Disasms

Docs

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