[Perf] Windows/x64: 2 Regressions on 5/10/2025 12:48:56 AM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	41e3612640670045e08a5957785013fbf165d95c
Compare	33b5215c15b16ad9e2738c325f6b562702c308d3
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Formats.Tar.Tests.Perf_TarWriter

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
UstarTarEntry_WriteEntry - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	213.35 ns	232.76 ns	1.09	0.13	False
UstarTarEntry_WriteEntry_Async - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	336.17 ns	365.63 ns	1.09	0.32	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.Formats.Tar.Tests.Perf_TarWriter*'

Details

System.Formats.Tar.Tests.Perf_TarWriter.UstarTarEntry_WriteEntry

ETL Files

Histogram

JIT Disasms

System.Formats.Tar.Tests.Perf_TarWriter.UstarTarEntry_WriteEntry_Async

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Due to #115211, FYI @carlossanlop.