[Perf] Windows/x64: Perf_BigInteger Regressions on 2/20/2025 10:08:05 AM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	54e55db6a3b6b0277016eb015ff62a2d02e61c76
Compare	7e9343be8e693f23d8a7a5c00d6f668668dc7769
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GreatestCommonDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.24 ms	6.53 ms	1.25	0.01	False
ToStringD - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	860.58 ns	955.82 ns	1.11	0.02	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.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.GreatestCommonDivisor(arguments: 65536,65536 bits)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Potentially related to #112016 from range: 440a283...da4f0a3. FYI @amanasifkhalid

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[amanasifkhalid]

GreatestCommonDivisor has almost returned to its baseline, and ToStringD has improved upon it. I don't plan on further tweaking our block layout approach in .NET 10, so I think this is an acceptable amount of improvement.