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[Perf] Windows/arm64: 7 Regressions on 4/17/2025 6:03:38 AM +00:00 #54819

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performanceautofiler bot opened this issue May 1, 2025 · 1 comment
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[Perf] Windows/arm64: 7 Regressions on 4/17/2025 6:03:38 AM +00:00 #54819

performanceautofiler bot opened this issue May 1, 2025 · 1 comment
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arch-arm64 branch-refs/heads/main kind-micro os-windows perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr

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Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 4f44fde5622a6c094e463a4b3bd5a0199c7a64d7
Compare f2821e1c391ac04c83a37cfc98437f0a4af30cf4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
142.87 ns 151.45 ns 1.06 0.01 False
15.24 ns 19.71 ns 1.29 0.06 False
65.29 ns 71.92 ns 1.10 0.01 False
19.36 ns 22.43 ns 1.16 0.03 False
68.48 ns 75.63 ns 1.10 0.04 False
42.02 ns 51.06 ns 1.22 0.01 False

graph
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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.Text.Encodings.Web.Tests.Perf_Encoders*'

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,512)

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System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,16)

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System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,16)

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System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no <escaping /> required,16)

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JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,512)

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JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,16)

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JIT Disasms

Docs

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

Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 4f44fde5622a6c094e463a4b3bd5a0199c7a64d7
Compare f2821e1c391ac04c83a37cfc98437f0a4af30cf4
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
678.72 ns 719.76 ns 1.06 0.00 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.Text.Json.Tests.Perf_Basic*'

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 10)

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added arch-arm64 branch-refs/heads/main kind-micro os-windows perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged labels May 1, 2025
@performanceautofiler performanceautofiler bot mentioned this issue May 1, 2025
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@EgorBo
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EgorBo commented May 1, 2025

Regressed by dotnet/runtime#114494

@EgorBo EgorBo closed this as completed May 1, 2025
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