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

[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
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	194.59 ns	210.82 ns	1.08	0.21	False
SerializeToWriter - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	54.38 ns	63.92 ns	1.18	0.09	False

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<Nullable<DateTimeOffset>>*'

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
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	85.40 ns	89.92 ns	1.05	0.06	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	188.83 ns	200.83 ns	1.06	0.03	False
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	92.39 ns	97.99 ns	1.06	0.07	False

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<String>*'

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
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.58 μs	5.50 μs	1.20	0.42	False

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

[LoopedBard3]

Compare range: 109c946...7715391. Potentially #110819, FYI @jakobbotsch

Related Regressions:

• [Perf] Windows/x64: 1 Regression on 2/11/2025 10:40:48 AM +00:00 perf-autofiling-issues#50423

[dotnet-policy-service]

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