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[Perf] Linux/x64: 19 Regressions on 4/1/2025 9:38:22 AM +00:00 #52963

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Text.Perf_Ascii

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
7.15 ns 10.21 ns 1.43 0.52 False
24.49 ns 34.05 ns 1.39 0.42 False
8.28 ns 13.66 ns 1.65 0.52 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Ascii*'

System.Text.Perf_Ascii.IsValid_Chars(Size: 6)

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System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(Size: 6)

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

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, 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
2.13 ns 5.95 ns 2.80 0.67 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Double&gt;*'

System.Numerics.Tests.Perf_VectorOf<Double>.AndNotBenchmark

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 ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
1.83 ns 3.44 ns 1.88 0.70 False
4.17 ns 5.70 ns 1.37 0.56 False
2.05 ns 3.35 ns 1.63 0.69 False
3.28 ns 5.12 ns 1.56 0.52 False
2.77 ns 4.63 ns 1.67 0.52 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Single&gt;*'

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.EqualityOperatorBenchmark

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System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.EqualsBenchmark

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System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.LessThanOrEqualAnyBenchmark

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System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.OnesComplementOperatorBenchmark

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JIT Disasms

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.ConditionalSelectBenchmark

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 ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Numerics.Tests.Perf_VectorOf<Int16>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.68 ns 4.94 ns 1.84 0.62 False
27.78 ns 38.31 ns 1.38 0.27 False
1.84 ns 5.98 ns 3.25 0.60 False
1.87 ns 8.14 ns 4.37 0.59 False
1.91 ns 3.86 ns 2.02 0.62 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;*'

System.Numerics.Tests.Perf_VectorOf<Int16>.AbsBenchmark

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System.Numerics.Tests.Perf_VectorOf<Int16>.DivideBenchmark

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System.Numerics.Tests.Perf_VectorOf<Int16>.XorBenchmark

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JIT Disasms

System.Numerics.Tests.Perf_VectorOf<Int16>.SubtractBenchmark

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Histogram

JIT Disasms

System.Numerics.Tests.Perf_VectorOf<Int16>.OneBenchmark

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 ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Numerics.Tests.Perf_Vector3

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.29 ns 4.12 ns 1.79 0.66 False
2.23 ns 4.29 ns 1.93 0.57 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_Vector3*'

System.Numerics.Tests.Perf_Vector3.LengthBenchmark

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Histogram

JIT Disasms

System.Numerics.Tests.Perf_Vector3.LerpBenchmark

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 ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, 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
2.22 μs 2.58 μs 1.16 0.30 False
6.70 μs 7.86 μs 1.17 0.16 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Reader*'

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

ETL Files

Histogram

JIT Disasms

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

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 ubuntu 22.04
Queue TigerUbuntu
Baseline f30fb1576d0dd584e8343ba7610cc9fa31828b7b
Compare 7ba135a883ac032287676299ebe890086970c58a
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Numerics.Tests.Perf_VectorOf<UInt64>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.85 ns 4.32 ns 1.52 0.60 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;UInt64&gt;*'

System.Numerics.Tests.Perf_VectorOf<UInt64>.NegateBenchmark

ETL Files

Histogram

JIT Disasms

Docs

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

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