[Perf] Linux/arm64: 14 Improvements on 6/3/2025 2:14:15 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	a2c9e7bda0f2edce496c437d2063deb1060caa4a
Compare	30082a461a68e3305b507910aba7457bdc98115c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ElementAt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.68 ns	1.25 ns	0.47	0.29	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	104.30 ns	85.85 ns	0.82	0.50	False
ToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	49.31 ns	43.53 ns	0.88	0.03	False
ToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	62.64 ns	48.46 ns	0.77	0.24	False
WhereSingle_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	207.28 ns	188.99 ns	0.91	0.12	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.44 ns	95.03 ns	0.95	0.44	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.54 ns	1.25 ns	0.49	0.39	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	235.28 ns	216.15 ns	0.92	0.10	False
LastWithPredicate_FirstElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.66 ns	4.67 ns	0.61	0.23	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	29.64 ns	4.94 ns	0.17	0.29	False
EmptyTakeSelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.58 ns	6.92 ns	0.37	0.17	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	25.90 ns	22.73 ns	0.88	0.66	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.Linq.Tests.Perf_Enumerable*'

System.Linq.Tests.Perf_Enumerable.ElementAt(input: IList)

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System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.ToArray(input: ICollection)

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System.Linq.Tests.Perf_Enumerable.ToList(input: ICollection)

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System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: List)

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System.Linq.Tests.Perf_Enumerable.Count(input: ICollection)

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System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input: IList)

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System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: Array, input2: Array)

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System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray

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System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: Array)

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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	a2c9e7bda0f2edce496c437d2063deb1060caa4a
Compare	30082a461a68e3305b507910aba7457bdc98115c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Perf_SingleCharFrozenDictionary

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToFrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	68.60 μs	64.08 μs	0.93	0.35	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_SingleCharFrozenDictionary*'

System.Collections.Perf_SingleCharFrozenDictionary.ToFrozenDictionary(Count: 1000)

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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	a2c9e7bda0f2edce496c437d2063deb1060caa4a
Compare	30082a461a68e3305b507910aba7457bdc98115c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Object

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ctor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.48 ns	6.10 ns	0.82	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.Tests.Perf_Object*'

System.Tests.Perf_Object.ctor

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Histogram

JIT Disasms

Docs

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