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[Perf] Windows/x64: 5 Regressions on 1/29/2024 2:56:44 AM #28288

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performanceautofiler bot opened this issue Jan 30, 2024 · 1 comment
Closed

[Perf] Windows/x64: 5 Regressions on 1/29/2024 2:56:44 AM #28288

performanceautofiler bot opened this issue Jan 30, 2024 · 1 comment
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arch-x64 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

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@performanceautofiler
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performanceautofiler bot commented Jan 30, 2024

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue OwlWindows
Baseline 135fec006e727a31763271984cd712f1659ccbd3
Compare 91beecdc32a893a7e2a16e4026dea7985c3aac1d
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Char>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
6.23 ns 8.20 ns 1.32 0.08 False
17.20 ns 20.17 ns 1.17 0.09 False
9.93 ns 12.40 ns 1.25 0.08 False
9.40 ns 11.96 ns 1.27 0.18 False
4.67 ns 5.96 ns 1.27 0.07 False

graph
graph
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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'

Payloads

Baseline
Compare

System.Memory.Span<Char>.BinarySearch(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfAnyThreeValues(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.BinarySearch(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.StartsWith(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfAnyThreeValues(Size: 33)

ETL Files

Histogram

JIT Disasms

Docs

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

@EgorBo
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EgorBo commented Jan 30, 2024

dotnet/runtime#96609

@EgorBo EgorBo closed this as completed Jan 30, 2024
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Labels
arch-x64 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
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