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[Perf] Windows/x64: 6 Regressions on 2/11/2025 10:40:48 AM +00:00 #112659

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@performanceautofiler

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@performanceautofiler

Run Information

Name Value
Architecture x64
OS Windows 10.0.22631
Queue ViperWindows
Baseline 617f9ee5f357a52309f21a732df04a87ee16adc9
Compare 6fe852a43152e45dc2e98bb747187d5bfe9f19e3
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<Nullable<DateTimeOffset>>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
194.59 ns 210.82 ns 1.08 0.21 False
54.38 ns 63.92 ns 1.18 0.09 False

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.Text.Json.Serialization.Tests.WriteJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;*'

System.Text.Json.Serialization.Tests.WriteJson<Nullable<DateTimeOffset>>.SerializeToStream(Mode: SourceGen)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<Nullable<DateTimeOffset>>.SerializeToWriter(Mode: SourceGen)

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 Windows 10.0.22631
Queue ViperWindows
Baseline 617f9ee5f357a52309f21a732df04a87ee16adc9
Compare 6fe852a43152e45dc2e98bb747187d5bfe9f19e3
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorGivenSize<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
85.40 ns 89.92 ns 1.05 0.06 False
188.83 ns 200.83 ns 1.06 0.03 False
92.39 ns 97.99 ns 1.06 0.07 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorGivenSize&lt;String&gt;*'

System.Collections.CtorGivenSize<String>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorGivenSize<String>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorGivenSize<String>.List(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 Windows 10.0.22631
Queue ViperWindows
Baseline 617f9ee5f357a52309f21a732df04a87ee16adc9
Compare 6fe852a43152e45dc2e98bb747187d5bfe9f19e3
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in Benchstone.BenchI.BubbleSort

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
4.58 μs 5.50 μs 1.20 0.42 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 'Benchstone.BenchI.BubbleSort*'

Benchstone.BenchI.BubbleSort.Test

ETL Files

Histogram

JIT Disasms

Docs

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

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area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMItenet-performancePerformance related issuetenet-performance-benchmarksIssue from performance benchmark

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