[Perf] Windows/x64: 5 Regressions on 1/29/2024 2:56:44 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	OwlWindows
Baseline	135fec006e727a31763271984cd712f1659ccbd3
Compare	91beecdc32a893a7e2a16e4026dea7985c3aac1d
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
BinarySearch - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.23 ns	8.20 ns	1.32	0.08	False
IndexOfAnyThreeValues - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	17.20 ns	20.17 ns	1.17	0.09	False
BinarySearch - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	9.93 ns	12.40 ns	1.25	0.08	False
StartsWith - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	9.40 ns	11.96 ns	1.27	0.18	False
IndexOfAnyThreeValues - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	4.67 ns	5.96 ns	1.27	0.07	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>*'

Payloads

Baseline
Compare

System.Memory.Span<Char>.BinarySearch(Size: 33)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfAnyThreeValues(Size: 33)

ETL Files

Histogram

JIT Disasms

Docs

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

[EgorBo]

dotnet/runtime#96609