[Perf] Windows/x64: 1 Regression on 4/1/2025 9:16:54 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	77e5aa50020b83a7bbde4af05100dc01d24c5ed6
Compare	ae2875a4f9db7ea887ee520e56572074eb95c182
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorGivenSize<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	87.71 ns	97.58 ns	1.11	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.CtorGivenSize<String>*'

System.Collections.CtorGivenSize<String>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Nothing obvious in range dotnet/runtime@ef7ee5d...7ba135a. Marking look again to see if it ends up returning fully to previous value.

Related:

• [Perf] Linux/x64: 1 Regression on 4/1/2025 9:16:54 PM +00:00 #53087

[DrewScoggins]

@AndyAyersMS fixed this bug dotnet/runtime#116241