[Perf] Linux/arm64: 3 Regressions on 4/9/2024 5:02:41 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94
Compare	07648642d345087d344bc8b7b9b3ea7c8793bbea
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_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	145.71 ns	173.15 ns	1.19	0.00	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	17.34 μs	19.28 μs	1.11	0.01	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.51 μs	1.74 μs	1.15	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.Collections.Perf_LengthBucketsFrozenDictionary*'

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

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

Docs

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

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[AndyAyersMS]

Looks like new layout has fixed these