[Perf] Linux/x64: System.Numerics.Tests.Perf_BigInteger Regressions on 11/10/2025 8:46:15 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	54be8c8a752e8f2414110b02ce703ae8d6f60912
Compare	0688ab5bc469f85ebee8c47a4a797d260bcd900f
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
Multiply - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	728.31 ns	795.85 ns	1.09	0.02	False
Divide - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	497.50 μs	588.73 μs	1.18	0.03	False
Remainder - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	501.88 μs	597.10 μs	1.19	0.03	False
Multiply - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	414.35 ns	494.81 ns	1.19	0.03	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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.Multiply(arguments: 1024,1024 bits)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.Divide(arguments: 65536,32768 bits)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.Remainder(arguments: 65536,32768 bits)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.Multiply(arguments: 1024,512 bits)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Likely due to #112876 in range e155b45...527c6ab. FYI @tannergooding

Related Regressions:

• [Perf] Linux/x64: 2 Regressions on 11/10/2025 8:46:15 PM +00:00 perf-autofiling-issues#65220

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-system-numerics
See info in area-owners.md if you want to be subscribed.