[Perf] Windows/x64: Perf_BinaryIntegerTensorPrimitives Regressions on 2/27/2025 6:42:04 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	035d2686771a79ee8b8f1b976f6ccc6dec427611
Compare	b0e9b734ef874a26cedd4045816dd973f042a1b8
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
OnesComplement - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.49 ns	17.28 ns	1.50	0.15	False
LeadingZeroCount - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.07 ns	24.67 ns	2.45	0.15	False
ShiftLeft - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.07 ns	17.88 ns	1.48	0.12	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.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>*'

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.OnesComplement(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.LeadingZeroCount(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.ShiftLeft(BufferLength: 128)

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 10.0.22631
Queue	ViperWindows
Baseline	035d2686771a79ee8b8f1b976f6ccc6dec427611
Compare	b0e9b734ef874a26cedd4045816dd973f042a1b8
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Char>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Fill - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.67 ns	27.11 ns	3.13	0.25	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.Memory.Span<Char>*'

System.Memory.Span<Char>.Fill(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Likely related to #112879 and/or #112878. FYI @tannergooding.

Compare Range: 478cfe2...ead9efe

Potentially related regression:

• [Perf] Windows/x64: 1 Regression on 2/27/2025 6:42:04 PM +00:00 perf-autofiling-issues#51331

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-system-numerics
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[tannergooding]

The regressions have since been resolved