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[Perf] Linux/x64: 1819 Regressions on 9/9/2025 8:46:29 PM +00:00 #62390

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue ViperUbuntu
Baseline 3605ab46c30647a5f85629447f25401c2999026d
Compare 46f3e902e9cf83547330e77c6e7698fab06e85ba
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
18.38 ns 25.66 ns 1.40 0.12 False
383.90 ns 420.61 ns 1.10 0.04 False
18.99 ns 21.73 ns 1.14 0.19 False
17.89 ns 24.83 ns 1.39 0.19 False
18.72 ns 22.29 ns 1.19 0.23 False
36.71 ns 42.26 ns 1.15 0.14 False
106.83 ns 121.45 ns 1.14 0.12 False
85.28 ns 103.45 ns 1.21 0.17 False
21.75 ns 26.69 ns 1.23 0.17 False
20.52 ns 24.44 ns 1.19 0.09 False
21.34 ns 24.02 ns 1.13 0.08 False
15.69 ns 19.77 ns 1.26 0.12 False
14.88 ns 18.49 ns 1.24 0.29 False
1.52 μs 1.66 μs 1.09 0.06 False
115.39 ns 126.40 ns 1.10 0.17 False
11.50 ns 15.24 ns 1.33 0.20 False
13.59 ns 16.56 ns 1.22 0.17 False
11.95 ns 14.99 ns 1.25 0.22 False
18.03 ns 24.85 ns 1.38 0.16 False
13.01 ns 15.49 ns 1.19 0.24 False
21.73 ns 25.27 ns 1.16 0.18 False
101.71 ns 109.63 ns 1.08 0.05 False
35.22 ns 38.14 ns 1.08 0.04 False
143.87 ns 153.76 ns 1.07 0.13 False
18.99 ns 23.69 ns 1.25 0.17 False
103.43 ns 110.63 ns 1.07 0.09 False
224.94 ns 240.67 ns 1.07 0.09 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 'System.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.Multiply(arguments: 16,8 bits)

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System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

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System.Numerics.Tests.Perf_BigInteger.ToByteArray(numberString: 123)

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System.Numerics.Tests.Perf_BigInteger.Add(arguments: 16,16 bits)

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System.Numerics.Tests.Perf_BigInteger.Ctor_ByteArray(numberString: -2147483648)

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System.Numerics.Tests.Perf_BigInteger.Ctor_ByteArray(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

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System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 123)

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System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: 123)

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System.Numerics.Tests.Perf_BigInteger.ToByteArray(numberString: -2147483648)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, Same)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, DiffLastByte)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, DiffMiddleByte)

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System.Numerics.Tests.Perf_BigInteger.Ctor_ByteArray(numberString: 123)

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System.Numerics.Tests.Perf_BigInteger.Parse(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

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System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: -2147483648)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, DiffFirstByte)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 67 bytes, Same)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 67 bytes, DiffMiddleByte)

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System.Numerics.Tests.Perf_BigInteger.Subtract(arguments: 16,16 bits)

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System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 67 bytes, DiffFirstByte)

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System.Numerics.Tests.Perf_BigInteger.Multiply(arguments: 16,16 bits)

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System.Numerics.Tests.Perf_BigInteger.Add(arguments: 1024,1024 bits)

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System.Numerics.Tests.Perf_BigInteger.GreatestCommonDivisor(arguments: 16,16 bits)

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System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: -2147483648)

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System.Numerics.Tests.Perf_BigInteger.Remainder(arguments: 16,8 bits)

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System.Numerics.Tests.Perf_BigInteger.Subtract(arguments: 1024,1024 bits)

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System.Numerics.Tests.Perf_BigInteger.Parse(numberString: -2147483648)

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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 3605ab46c30647a5f85629447f25401c2999026d
Compare 46f3e902e9cf83547330e77c6e7698fab06e85ba
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.Tests.Add_Remove_SteadyState<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
21.08 ns 23.31 ns 1.11 0.17 False
27.79 ns 34.66 ns 1.25 0.22 False
23.33 ns 27.17 ns 1.16 0.14 False
84.79 ns 98.58 ns 1.16 0.09 False
71.32 ns 89.34 ns 1.25 0.10 False
23.01 ns 37.14 ns 1.61 0.22 False
25.10 ns 30.48 ns 1.21 0.16 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 'System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;*'

System.Collections.Tests.Add_Remove_SteadyState<String>.ConcurrentStack(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.ConcurrentQueue(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.Stack(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.ImmutableQueue(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.ConcurrentBag(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.ImmutableStack(Count: 512)

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System.Collections.Tests.Add_Remove_SteadyState<String>.Queue(Count: 512)

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JIT Disasms

Docs

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

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