[Perf] Windows/arm64: 3 Regressions on 2/20/2024 7:35:45 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	Windows 10.0.19041
Queue	SurfaceWindows
Baseline	bee4602cd5974c9abb2d83cc58d5342b75b4cdbe
Compare	8cc7586135856499ea5123bbfb71a5df3fa7f717
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
EndsWith - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.88 ns	4.43 ns	1.54	0.31	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	26.68 ns	30.76 ns	1.15	0.19	False
EndsWith - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	4.60 ns	6.62 ns	1.44	0.28	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<Byte>*'

Payloads

Baseline
Compare

System.Memory.Span<Byte>.EndsWith(Size: 4)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Byte>.SequenceEqual(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Byte>.EndsWith(Size: 33)

ETL Files

Histogram

JIT Disasms

Docs

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