[Perf] Windows/x64: 1 Regression on 1/31/2025 2:37:48 AM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	4e01649f4a39bc2d9ee0e758736a7d90954fed14
Compare	847a8c2979d2ef252c41e1ad97901f6e6b5bcaef
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_Frozen<NotKnownComparable>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToFrozenDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.33 ns	34.83 ns	1.15	0.08	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.Collections.Perf_Frozen<NotKnownComparable>*'

System.Collections.Perf_Frozen<NotKnownComparable>.ToFrozenDictionary(Count: 4)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Commit range: dotnet/runtime@586e891...55e9ab5. None of the commits are obvious and we are only seeing this on lin-amd-owl and win-amd, so marking as look again.