[Perf] Linux/arm64: 7 Regressions on 2/25/2024 4:37:10 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	f32c428c86b4cc41e88e2e5a750c37dfb354e33a
Compare	5ef47c852ffd51aaeb52e34391fe4fed261c9f26
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_BitArray

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BitArrayRightShift - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.60 ns	7.77 ns	1.18	0.36	False
BitArrayCopyToByteArray - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	155.28 ns	174.69 ns	1.12	0.06	False
BitArrayLeftShift - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	4.01 ns	6.87 ns	1.71	0.58	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.Collections.Tests.Perf_BitArray*'

Details

Payloads

Baseline
Compare

System.Collections.Tests.Perf_BitArray.BitArrayRightShift(Size: 4)

ETL Files

Histogram

JIT Disasms

System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Tests.Perf_BitArray.BitArrayLeftShift(Size: 4)

ETL Files

Histogram

JIT Disasms

Docs

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

---

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	f32c428c86b4cc41e88e2e5a750c37dfb354e33a
Compare	5ef47c852ffd51aaeb52e34391fe4fed261c9f26
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
Fill - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	11.22 ns	13.50 ns	1.20	0.61	False
Clear - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	8.87 ns	16.31 ns	1.84	0.57	False
EndsWith - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	4.63 ns	7.21 ns	1.56	0.41	False
EndsWith - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.11 ns	4.88 ns	1.57	0.56	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.Memory.Span<Byte>*'

Details

Payloads

Baseline
Compare

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

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

[EgorBo]

#98623