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[Perf] Linux/x64: 110 Regressions on 5/19/2026 5:33:16 PM +00:00 #73330

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue ViperUbuntu
Baseline 21d1570e075a895f62c292a5e1854947b97c7dbc
Compare f397c835cc1c655505d2a22fd0cebb9e96733d0b
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in Exceptions.Handling

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
16.83 μs 19.98 μs 1.19 0.04 False
16.93 μs 20.04 μs 1.18 0.04 False
13.02 μs 14.32 μs 1.10 0.03 False
5.03 μs 5.53 μs 1.10 0.03 False
13.11 μs 14.36 μs 1.10 0.02 False
13.74 μs 14.95 μs 1.09 0.04 False
43.64 μs 47.42 μs 1.09 0.03 False
13.76 μs 14.92 μs 1.08 0.03 False
13.55 μs 14.64 μs 1.08 0.02 False
5.13 μs 5.53 μs 1.08 0.06 False
14.42 μs 15.52 μs 1.08 0.04 False
42.68 μs 45.67 μs 1.07 0.02 False
14.71 μs 15.74 μs 1.07 0.03 False
5.09 μs 5.42 μs 1.07 0.06 False
5.11 μs 5.45 μs 1.07 0.05 False
5.53 μs 5.88 μs 1.06 0.05 False
5.06 μs 5.38 μs 1.06 0.05 False
5.17 μs 5.49 μs 1.06 0.04 False
5.30 μs 5.63 μs 1.06 0.04 False
49.96 μs 52.82 μs 1.06 0.04 False
5.27 μs 5.54 μs 1.05 0.07 False
5.06 μs 5.31 μs 1.05 0.05 False

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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 'Exceptions.Handling*'
Details

Exceptions.Handling.TryAndCatchDeep_CaugtAtTheTop(kind: Software)

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Exceptions.Handling.TryAndCatchDeep_CaugtAtTheTop(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchDeep(kind: ReflectionSoftware)

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Exceptions.Handling.MultipleNestedTryCatch_FirstCatches(kind: Software)

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Exceptions.Handling.ThrowAndCatchDeepRecursive(kind: ReflectionSoftware)

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Exceptions.Handling.ThrowAndCatchDeepRecursive(kind: ReflectionHardware)

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Exceptions.Handling.CatchAndRethrowDeep(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchDeep(kind: ReflectionHardware)

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Exceptions.Handling.ThrowAndCatch(kind: ReflectionHardware)

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Exceptions.Handling.ThrowAndCatchWhenFinally(kind: Hardware)

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Exceptions.Handling.ThrowAndCatch_ManyCatchBlocks(kind: ReflectionSoftware)

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Exceptions.Handling.CatchAndRethrowDeep(kind: Software)

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Exceptions.Handling.ThrowAndCatch_ManyCatchBlocks(kind: ReflectionHardware)

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Exceptions.Handling.ThrowAndCatchWhen(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchDeepRecursive(kind: Software)

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Exceptions.Handling.MultipleNestedTryCatch_LastCatches(kind: Hardware)

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Exceptions.Handling.ThrowAndCatch(kind: Software)

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Exceptions.Handling.ThrowAndCatchFinally(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchDeepRecursive(kind: Hardware)

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Exceptions.Handling.CatchAndThrowOtherDeep(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchDeep(kind: Hardware)

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Exceptions.Handling.ThrowAndCatchFinally(kind: Software)

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Docs

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


Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue ViperUbuntu
Baseline 21d1570e075a895f62c292a5e1854947b97c7dbc
Compare f397c835cc1c655505d2a22fd0cebb9e96733d0b
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
1.12 μs 1.38 μs 1.23 0.26 False
668.65 ns 822.68 ns 1.23 0.32 False
17.69 μs 20.68 μs 1.17 0.27 False
635.99 ns 728.84 ns 1.15 0.21 False
149.03 μs 165.27 μs 1.11 0.33 False
907.79 ns 1000.81 ns 1.10 0.22 False
5.79 μs 6.37 μs 1.10 0.16 False
5.84 μs 6.36 μs 1.09 0.10 False

graph
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graph
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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.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>*'
Details

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Sigmoid(BufferLength: 128)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Truncate(BufferLength: 128)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Truncate(BufferLength: 3079)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.FusedMultiplyAdd_Vectors(BufferLength: 128)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_ScalarDivisor(BufferLength: 3079)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Round(BufferLength: 128)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_ScalarDividend(BufferLength: 128)

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System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

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JIT Disasms

Docs

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

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