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[Perf] Linux/arm64: 2 Regressions on 5/11/2026 8:05:21 PM +00:00 #128209

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Description

@performanceautofiler
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Run Information

Name Value
Architecture arm64
OS azurelinux 3.0
Queue CobaltAzureLinux
Baseline 0bccdce838fcce449299d5889ebd5a2a94eb3d28
Compare 983639bd7eb45543ee98e6bc759b728238945d1d
Diff Diff
Configs CompilationMode:tiered, R2RType:r2r_interpreter, RunKind:micro

Regressions in System.Threading.Channels.Tests.BoundedChannelPerfTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
408.81 ns 500.53 ns 1.22 0.12 False

graph
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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Channels.Tests.BoundedChannelPerfTests*'
Details

System.Threading.Channels.Tests.BoundedChannelPerfTests.ReadAsyncThenWriteAsync

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 azurelinux 3.0
Queue CobaltAzureLinux
Baseline 0bccdce838fcce449299d5889ebd5a2a94eb3d28
Compare 3caa97ab2ceaf0185ca6de09c6cc497dccfe6f3e
Diff Diff
Configs CompilationMode:tiered, R2RType:r2r_interpreter, RunKind:micro

Regressions in Microsoft.AspNetCore.Server.Kestrel.Performance.PipeThroughputBenchmark

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
389.61 ns 435.69 ns 1.12 0.29 False

graph
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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.AspNetCore.Server.Kestrel.Performance.PipeThroughputBenchmark*'
Details

Microsoft.AspNetCore.Server.Kestrel.Performance.PipeThroughputBenchmark.Parse_ParallelAsync(Length: 128, Chunks: 1)

ETL Files

Histogram

JIT Disasms

Docs

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

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