[Perf] Linux/arm64: 8 Regressions on 6/14/2024 4:08:00 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	d7ae8c61f0937df4dcffe88ba96eae65fa523a78
Compare	7e9cab2bd10c19bbe9a8212ab1071e6d03f729d7
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
SequenceCompareTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.22 ns	9.39 ns	1.14	0.23	False
Fill - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.17 ns	30.08 ns	1.30	0.02	True
Fill - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.61 ns	8.69 ns	2.40	0.07	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.Memory.Span<Char>*'

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

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

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

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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	d7ae8c61f0937df4dcffe88ba96eae65fa523a78
Compare	7e9cab2bd10c19bbe9a8212ab1071e6d03f729d7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Globalization.Tests.StringSearch

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IsSuffix_DifferentLastChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.59 ns	11.37 ns	1.19	0.23	False
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	813.77 ns	914.56 ns	1.12	0.01	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.Globalization.Tests.StringSearch*'

System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, None, False))

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System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, OrdinalIgnoreCase, False))

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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	d7ae8c61f0937df4dcffe88ba96eae65fa523a78
Compare	7e9cab2bd10c19bbe9a8212ab1071e6d03f729d7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	20.28 ns	22.88 ns	1.13	0.02	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	20.24 ns	22.88 ns	1.13	0.02	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.Perf_LengthBucketsFrozenDictionary*'

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10, ItemsPerBucket: 1)

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System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10, ItemsPerBucket: 5)

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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	d7ae8c61f0937df4dcffe88ba96eae65fa523a78
Compare	7e9cab2bd10c19bbe9a8212ab1071e6d03f729d7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Microsoft.Extensions.Primitives.StringSegmentBenchmark

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetSegmentHashCode - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.62 ns	16.27 ns	1.11	0.18	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 'Microsoft.Extensions.Primitives.StringSegmentBenchmark*'

Microsoft.Extensions.Primitives.StringSegmentBenchmark.GetSegmentHashCode

ETL Files

Histogram

JIT Disasms

Docs

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