[Perf] Windows/x64: 1 Regression on 3/13/2024 1:55:40 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	342bc7ecacec70dc0e50efd34b890110895a5ce2
Compare	18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Char

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Char_IsLower - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	20.60 ns	31.53 ns	1.53	0.01	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.Tests.Perf_Char*'

Details

Payloads

Baseline
Compare

System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

ETL Files

Histogram

JIT Disasms

Docs

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

[DrewScoggins]

Seems related to #99561
Linux x64 Regressions: dotnet/perf-autofiling-issues#31333
Windows x64 Regressions: dotnet/perf-autofiling-issues#31919