[Perf] Windows/x64: 2 Regressions on 2/1/2025 4:01:45 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	fa0f65c9a89cd140929aa12ac3ab70d2d0fc0d6d
Compare	6f221b41da8b4fbd09dcf7ac4b796ff3c86cbeb9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int16>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetHashCodeBenchmark - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.48 ns	24.69 ns	1.05	0.15	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.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int16>*'

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int16>.GetHashCodeBenchmark

ETL Files

Histogram

JIT Disasms

Docs

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

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	fa0f65c9a89cd140929aa12ac3ab70d2d0fc0d6d
Compare	6f221b41da8b4fbd09dcf7ac4b796ff3c86cbeb9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchI.Fib

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	101.69 μs	111.34 μs	1.09	0.10	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 'Benchstone.BenchI.Fib*'

Benchstone.BenchI.Fib.Test

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Vector Regression seems to just be noise as no other platform is affected, maybe an update went to the machines on the regression date. The BenchStone regression is just bimodal noise.