[Perf] Windows/x64: 5 Improvements on 7/28/2025 6:37:33 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	a1667657373d846df5c8df8fc613a6d709f89957
Compare	865d4e69f16bff9fcb5a32c326ae0182d99e164b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Date_IsNotMatch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	91.47 ns	83.80 ns	0.92	0.03	False
Date_IsMatch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	49.46 ns	45.56 ns	0.92	0.05	False
MatchesWord - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	808.21 ns	719.38 ns	0.89	0.05	False
MatchesWord - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	694.53 ns	615.35 ns	0.89	0.05	False
Date_IsNotMatch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	90.64 ns	84.32 ns	0.93	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.Text.RegularExpressions.Tests.Perf_Regex_Common*'

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(Options: Compiled)

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JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsMatch(Options: IgnoreCase, Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options: IgnoreCase, Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options: Compiled)

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JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(Options: IgnoreCase, Compiled)

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JIT Disasms

Docs

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

[AndyAyersMS]

dotnet/runtime#118105