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[Perf] Linux/x64: 3 Regressions on 4/19/2025 3:42:13 AM +00:00 #115004

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performanceautofiler bot opened this issue Apr 23, 2025 · 4 comments
Open

[Perf] Linux/x64: 3 Regressions on 4/19/2025 3:42:13 AM +00:00 #115004

performanceautofiler bot opened this issue Apr 23, 2025 · 4 comments
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arch-x64 area-VM-coreclr os-linux Linux OS (any supported distro) runtime-coreclr specific to the CoreCLR runtime untriaged New issue has not been triaged by the area owner

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@performanceautofiler
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Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7b5faf3eff641ca3d3c5a87bc9b4f271a0b877c0
Compare 69329ef06681d926604e6f4169a50ae1ca8598a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Concurrent.IsEmpty<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
172.33 ns 193.93 ns 1.13 0.06 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Concurrent.IsEmpty&lt;String&gt;*'

System.Collections.Concurrent.IsEmpty<String>.Dictionary(Size: 0)

ETL Files

Histogram

JIT Disasms

Docs

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

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7b5faf3eff641ca3d3c5a87bc9b4f271a0b877c0
Compare 69329ef06681d926604e6f4169a50ae1ca8598a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Concurrent.Count<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
169.54 ns 179.06 ns 1.06 0.06 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Concurrent.Count&lt;Int32&gt;*'

System.Collections.Concurrent.Count<Int32>.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 x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline 7b5faf3eff641ca3d3c5a87bc9b4f271a0b877c0
Compare 69329ef06681d926604e6f4169a50ae1ca8598a8
Diff Diff
Configs CompilationMode:tiered, 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
579.42 ns 638.96 ns 1.10 0.24 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.AspNetCore.Server.Kestrel.Performance.PipeThroughputBenchmark*'

Microsoft.AspNetCore.Server.Kestrel.Performance.PipeThroughputBenchmark.Parse_ParallelAsync(Length: 128, Chunks: 16)

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added arch-x64 os-linux Linux OS (any supported distro) runtime-coreclr specific to the CoreCLR runtime untriaged New issue has not been triaged by the area owner labels Apr 23, 2025
@performanceautofiler performanceautofiler bot mentioned this issue Apr 23, 2025
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@AndyAyersMS
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Concurrent tests seem to be from #114660

@AndyAyersMS AndyAyersMS removed the untriaged New issue has not been triaged by the area owner label Apr 24, 2025
@AndyAyersMS AndyAyersMS transferred this issue from dotnet/perf-autofiling-issues Apr 24, 2025
@dotnet-issue-labeler dotnet-issue-labeler bot added the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label Apr 24, 2025
@dotnet-policy-service dotnet-policy-service bot added the untriaged New issue has not been triaged by the area owner label Apr 24, 2025
@AndyAyersMS
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AndyAyersMS commented Apr 24, 2025 •
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Also

@dotnet-policy-service Dotnet Policy Service
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Tagging subscribers to this area: @mangod9
See info in area-owners.md if you want to be subscribed.

@mangod9
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mangod9 commented Apr 25, 2025

@AaronRobinsonMSFT for #114660. Surprising that the change has had measurable impact.

@teo-tsirpanis teo-tsirpanis removed the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label May 2, 2025
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