[Perf] Linux/arm64: 9 Improvements on 7/21/2024 1:40:36 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	7f6318495c0b1b0418055fc08c92df358cd7e58d
Compare	d285c824a7b240a50c20bf61e0602f3239d76b8c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.IterateFor<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	217.62 ns	194.28 ns	0.89	0.01	True
ReadOnlySpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.23 ns	178.16 ns	0.82	0.00	True
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	217.52 ns	177.58 ns	0.82	0.01	True
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.39 ns	178.17 ns	0.82	0.00	True

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.IterateFor<Int32>*'

System.Collections.IterateFor<Int32>.ImmutableArray(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateFor<Int32>.ReadOnlySpan(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateFor<Int32>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateFor<Int32>.Span(Size: 512)

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	7f6318495c0b1b0418055fc08c92df358cd7e58d
Compare	d285c824a7b240a50c20bf61e0602f3239d76b8c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.IterateForEach<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	222.67 ns	195.90 ns	0.88	0.01	True
ReadOnlySpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.07 ns	178.16 ns	0.82	0.00	True
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	214.15 ns	180.16 ns	0.84	0.00	True
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	371.36 ns	217.59 ns	0.59	0.00	True

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.IterateForEach<Int32>*'

System.Collections.IterateForEach<Int32>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.ReadOnlySpan(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.ImmutableArray(Size: 512)

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	7f6318495c0b1b0418055fc08c92df358cd7e58d
Compare	d285c824a7b240a50c20bf61e0602f3239d76b8c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Tests.Perf_BitArray

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BitArrayCopyToByteArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	176.21 ns	155.69 ns	0.88	0.09	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*'

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

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Potential improvement causes:

• JIT: Enable strength reduction by default runtime#105131
• Improve the handling of SIMD comparisons runtime#104944