[Perf] Linux/arm64: 2 Regressions on 10/16/2025 12:26:49 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	e528a6e97670d066459882854371a4f013904fc8
Compare	8f0e8abd5c5a315de2fb7e8327f1c61d5b8f3dbd
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.TryGetValueTrue<BigStruct, BigStruct>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	274.50 μs	301.45 μs	1.10	0.42	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.TryGetValueTrue<BigStruct, BigStruct>*'

System.Collections.TryGetValueTrue<BigStruct, BigStruct>.Dictionary(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	e528a6e97670d066459882854371a4f013904fc8
Compare	8f0e8abd5c5a315de2fb7e8327f1c61d5b8f3dbd
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Reflection.Attributes

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IsDefinedMethodOverrideHitInherit - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	471.63 ns	502.61 ns	1.07	0.07	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.Reflection.Attributes*'

System.Reflection.Attributes.IsDefinedMethodOverrideHitInherit

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Marking look again due to seeming like potential noise and large commit range.