[Perf] Linux/arm64: 1 Regression on 8/14/2025 3:58:21 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	7987df489065351bdbca2b6d5808e26a056b8190
Compare	52f4ccfa6f397f90d05cd3279981e5cf3f6f16f2
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsKeyTrue<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.35 μs	4.82 μs	1.44	0.12	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.ContainsKeyTrue<Int32, Int32>*'

System.Collections.ContainsKeyTrue<Int32, Int32>.IDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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