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[Perf] Windows/x64: 15 Regressions on 5/2/2025 11:56:41 PM +00:00 #115340

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performanceautofiler bot opened this issue May 6, 2025 · 1 comment
Open

[Perf] Windows/x64: 15 Regressions on 5/2/2025 11:56:41 PM +00:00 #115340

performanceautofiler bot opened this issue May 6, 2025 · 1 comment
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arch-x64 needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners os-windows runtime-coreclr specific to the CoreCLR runtime tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark untriaged New issue has not been triaged by the area owner

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Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.CastingPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
266.95 μs 340.52 μs 1.28 0.06 False
268.25 μs 341.05 μs 1.27 0.05 False
270.88 μs 341.77 μs 1.26 0.06 False
266.82 μs 340.93 μs 1.28 0.04 False
270.24 μs 340.93 μs 1.26 0.04 False
268.75 μs 341.08 μs 1.27 0.05 False
272.03 μs 340.91 μs 1.25 0.07 False

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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 'PerfLabTests.CastingPerf*'

PerfLabTests.CastingPerf.IntObj

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PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

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PerfLabTests.CastingPerf.ObjObjIsFoo

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PerfLabTests.CastingPerf.FooObjIsFoo

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PerfLabTests.CastingPerf.IFooObjIsIFoo

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PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

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PerfLabTests.CastingPerf.FooObjIsDescendant

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

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Perf_Utf8Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
11.47 μs 15.18 μs 1.32 0.34 False
10.09 μs 12.95 μs 1.28 0.38 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.Perf_Utf8Encoding*'

System.Text.Perf_Utf8Encoding.GetByteCount(Input: Chinese)

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System.Text.Perf_Utf8Encoding.GetByteCount(Input: Cyrillic)

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

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Perf_Ascii

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
28.31 ns 31.78 ns 1.12 0.04 False
6.83 ns 8.57 ns 1.26 0.20 False
16.58 ns 19.51 ns 1.18 0.03 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.Text.Perf_Ascii*'

System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(Size: 128)

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System.Text.Perf_Ascii.EqualsIgnoreCase_ExactlyTheSame_Bytes(Size: 128)

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System.Text.Perf_Ascii.EqualsIgnoreCase_ExactlyTheSame_Bytes_Chars(Size: 128)

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

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
984.00 ns 1.04 μs 1.06 0.13 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_Reader*'

System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: LotsOfStrings)

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

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.LowLevelPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
3.28 ms 3.59 ms 1.10 0.01 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 'PerfLabTests.LowLevelPerf*'

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod

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 10.0.22621
Queue TigerWindows
Baseline cb3f507bacf3d941c44458613dc4129ef5508265
Compare 4352c7a1d4a71d63cf80cfd8f7c19036bcf131a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsKeyTrue<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.38 μs 2.66 μs 1.12 0.17 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.Collections.ContainsKeyTrue&lt;Int32, Int32&gt;*'

System.Collections.ContainsKeyTrue<Int32, Int32>.ConcurrentDictionary(Size: 512)

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Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added arch-x64 os-windows runtime-coreclr specific to the CoreCLR runtime untriaged New issue has not been triaged by the area owner labels May 6, 2025
@performanceautofiler performanceautofiler bot mentioned this issue May 6, 2025
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@LoopedBard3
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Mix of regressions and noise, likely due to #114410 and related PR's in range: d7e5d95...4352c7a.

Related Regressions:

@LoopedBard3 LoopedBard3 transferred this issue from dotnet/perf-autofiling-issues May 6, 2025
@LoopedBard3 LoopedBard3 added arch-x64 untriaged New issue has not been triaged by the area owner runtime-coreclr specific to the CoreCLR runtime labels May 6, 2025
@dotnet-issue-labeler dotnet-issue-labeler bot added the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label May 6, 2025
@LoopedBard3 LoopedBard3 added tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark labels May 6, 2025
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