[Perf] Linux/arm64: 2 Regressions on 6/4/2024 6:36:34 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	a4407a106f883a6593105a660d44da6f8fa4017c
Compare	454d6e929d7caa30618358eae8106e5f4b46ed10
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ProducerConsumer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.43 μs	2.21 μs	1.54	0.72	False
ProducerConsumer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	888.03 ns	1.08 μs	1.22	0.67	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.Buffers.Tests.RentReturnArrayPoolTests<Byte>*'

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Likely: dotnet/runtime#100506. At least for the big jump around the time.