[Perf] Windows/x64: Vector Regressions on 10/31/2024 10:26:58 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	987f6b5c9e638ef921c71a530532f147788300c4
Compare	6406b578b43646b0b1d348da00a32d2f61860cf7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[MeasureReverseEndianness - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	410.03 ns	544.82 ns	1.33	0.01	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.Buffers.Binary.Tests.BinaryReadAndWriteTests*'

### System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	987f6b5c9e638ef921c71a530532f147788300c4
Compare	6406b578b43646b0b1d348da00a32d2f61860cf7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateFor<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.IterateFor(String).ImmutableList(Size%3a%20512).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	3.41 μs	3.98 μs	1.17	0.35	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.IterateFor<String>*'

### System.Collections.IterateFor<String>.ImmutableList(Size: 512) #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	987f6b5c9e638ef921c71a530532f147788300c4
Compare	6406b578b43646b0b1d348da00a32d2f61860cf7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_VectorOf<Double>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[SquareRootBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Numerics.Tests.Perf_VectorOf(Double).SquareRootBenchmark.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	0.81 ns	7.91 ns	9.73	0.01	True

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.Numerics.Tests.Perf_VectorOf<Double>*'

### System.Numerics.Tests.Perf_VectorOf<Double>.SquareRootBenchmark #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	987f6b5c9e638ef921c71a530532f147788300c4
Compare	6406b578b43646b0b1d348da00a32d2f61860cf7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_VectorOf<Single>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[SquareRootBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Numerics.Tests.Perf_VectorOf(Single).SquareRootBenchmark.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	0.29 ns	9.53 ns	33.12	0.07	True

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.Numerics.Tests.Perf_VectorOf<Single>*'

### System.Numerics.Tests.Perf_VectorOf<Single>.SquareRootBenchmark #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	987f6b5c9e638ef921c71a530532f147788300c4
Compare	6406b578b43646b0b1d348da00a32d2f61860cf7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[ToStringHex - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Tests.Perf_Int32.ToStringHex(value%3a%2012345).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	14.59 ns	18.74 ns	1.28	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.Tests.Perf_Int32*'

### System.Tests.Perf_Int32.ToStringHex(value: 12345) #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

[LoopedBard3]

Related to https://github.com/dotnet/runtime/pull/106594, FYI @tannergooding. Non-vector regressions seem to be noise. Diff range: https://github.com/dotnet/runtime/compare/f26a19a7a43e4b6204adda0f51657ce86e5b01f8...6ac8d055a200ccca0d6fa8604c18578234dffa94

Related Regressions (Many regressions in these are noise, only a small handful of vector/other regressions): Windows x64: https://github.com/dotnet/perf-autofiling-issues/issues/44340, https://github.com/dotnet/perf-autofiling-issues/issues/44337 Linux x64: https://github.com/dotnet/perf-autofiling-issues/issues/44264, https://github.com/dotnet/perf-autofiling-issues/issues/44233