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[Perf] Linux/arm64: 5 Regressions on 3/25/2025 3:00:00 AM +00:00 #52496

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performanceautofiler bot opened this issue Mar 27, 2025 · 0 comments
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[Perf] Linux/arm64: 5 Regressions on 3/25/2025 3:00:00 AM +00:00 #52496

performanceautofiler bot opened this issue Mar 27, 2025 · 0 comments
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ampere arch-arm64 branch-refs/heads/main kind-micro os-linux perf-regression runtime-coreclr

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Run Information

Name Value
Architecture arm64
OS ubuntu 22.04
Queue AmpereUbuntu
Baseline db03493769728d6b7e02981b432d5136144c4fd0
Compare 122e7014d2cbca93c300ed22de526bfe4092b673
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.BlockCopyPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
10.54 ns 18.56 ns 1.76 0.33 False
7.82 ns 17.90 ns 2.29 0.22 False
31.46 ns 41.08 ns 1.31 0.00 False

graph
graph
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 'PerfLabTests.BlockCopyPerf*'

PerfLabTests.BlockCopyPerf.CallBlockCopy(numElements: 100)

ETL Files

Histogram

JIT Disasms

PerfLabTests.BlockCopyPerf.CallBlockCopy(numElements: 10)

ETL Files

Histogram

JIT Disasms

PerfLabTests.BlockCopyPerf.CallBlockCopy(numElements: 1000)

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 6b176b209eee5d91bdeb456ac1de7097bd787337
Compare 122e7014d2cbca93c300ed22de526bfe4092b673
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.ZLib

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
90.30 μs 99.03 μs 1.10 0.27 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.IO.Compression.ZLib*'

System.IO.Compression.ZLib.Decompress(level: Fastest, file: "sum")

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 28c417f605ba0f04af980847695ec9de470743a0
Compare 122e7014d2cbca93c300ed22de526bfe4092b673
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in MicroBenchmarks.Serializers.Json_ToStream<LoginViewModel>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
550.78 ns 600.76 ns 1.09 0.11 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 'MicroBenchmarks.Serializers.Json_ToStream&lt;LoginViewModel&gt;*'

MicroBenchmarks.Serializers.Json_ToStream<LoginViewModel>.JsonNet_

ETL Files

Histogram

JIT Disasms

Docs

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