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[Perf] Linux/x64: 46 Regressions on 2/20/2025 3:57:18 PM +00:00Β #51117

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS ubuntu 22.04
Queue TigerUbuntu
Baseline b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
25.42 ns 26.92 ns 1.06 0.42 False
17.88 ns 22.28 ns 1.25 0.47 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.Buffers.Text.Tests.Utf8ParserTests*'

System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: FFFFFFFFFFFFFFFF)

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System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: 3039)

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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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Threading.Tests.Perf_Interlocked

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
6.43 ns 12.72 ns 1.98 0.53 False
0.59 ns 2.91 ns 4.92 0.79 False
6.87 ns 11.29 ns 1.64 0.56 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.Threading.Tests.Perf_Interlocked*'

System.Threading.Tests.Perf_Interlocked.CompareExchange_long

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System.Threading.Tests.Perf_Interlocked.CompareExchange_int

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System.Threading.Tests.Perf_Interlocked.Decrement_long

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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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
9.51 ns 13.79 ns 1.45 0.44 False
17.06 ns 20.28 ns 1.19 0.42 False
29.28 ns 32.34 ns 1.10 0.37 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.Buffers.Text.Tests.Utf8FormatterTests*'

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value: 0)

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System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 4)

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System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

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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 440a28313d93cbeb03ae671d7521efea8d6de5c8
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.Constructors<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
22.24 ns 23.80 ns 1.07 0.38 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.Memory.Constructors&lt;String&gt;*'

System.Memory.Constructors<String>.ReadOnlySpanImplicitCastFromArraySegment

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 440a28313d93cbeb03ae671d7521efea8d6de5c8
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.Span<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
12.85 ns 19.09 ns 1.49 0.31 False
43.58 ns 50.15 ns 1.15 0.14 False
15.24 ns 20.90 ns 1.37 0.35 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.Memory.Span&lt;Int32&gt;*'

System.Memory.Span<Int32>.IndexOfAnyTwoValues(Size: 33)

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System.Memory.Span<Int32>.SequenceCompareTo(Size: 33)

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System.Memory.Span<Int32>.LastIndexOfAnyValues(Size: 33)

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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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
54.24 ns 59.62 ns 1.10 0.29 False
24.74 ns 32.74 ns 1.32 0.48 False
33.99 ns 44.11 ns 1.30 0.38 False
58.61 ns 64.93 ns 1.11 0.41 False
55.49 ns 64.36 ns 1.16 0.42 False
45.59 ns 49.30 ns 1.08 0.42 False

graph
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.Tests.Perf_Int32*'

System.Tests.Perf_Int32.ToString(value: -2147483648)

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System.Tests.Perf_Int32.TryFormat(value: 2147483647)

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System.Tests.Perf_Int32.ParseSpan(value: "4")

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System.Tests.Perf_Int32.ParseHex(value: "7FFFFFFF")

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System.Tests.Perf_Int32.ParseHex(value: "80000000")

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System.Tests.Perf_Int32.ParseSpan(value: "12345")

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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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Memory.MemoryMarshal<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
22.79 ns 27.39 ns 1.20 0.37 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.Memory.MemoryMarshal&lt;Byte&gt;*'

System.Memory.MemoryMarshal<Byte>.TryGetArray

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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Tests.Perf_DateTimeOffset

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
72.82 ns 79.43 ns 1.09 0.29 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.Tests.Perf_DateTimeOffset*'

System.Tests.Perf_DateTimeOffset.ToString(format: "s")

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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.Perf_Frozen<ReferenceType>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
328.88 ns 355.01 ns 1.08 0.28 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.Collections.Perf_Frozen&lt;ReferenceType&gt;*'

System.Collections.Perf_Frozen<ReferenceType>.TryGetValue_True(Count: 4)

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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
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
22.17 ns 32.41 ns 1.46 0.38 False
19.41 ns 21.65 ns 1.12 0.35 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_BigInteger*'

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

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JIT Disasms

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

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 b606aa3d9646285f638d1dfafbd1df6239a3b3c1
Compare 8d3b24598a268ae00664a7dbeb792791ecde5231
Diff Diff
Configs AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Collections.CtorDefaultSize<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
7.04 ns 9.14 ns 1.30 0.47 False
18.15 ns 22.91 ns 1.26 0.34 False
15.74 ns 16.89 ns 1.07 0.41 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.Collections.CtorDefaultSize&lt;Int32&gt;*'

System.Collections.CtorDefaultSize<Int32>.ConcurrentStack

ETL Files

Histogram

JIT Disasms

System.Collections.CtorDefaultSize<Int32>.Dictionary

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Histogram

JIT Disasms

System.Collections.CtorDefaultSize<Int32>.List

ETL Files

Histogram

JIT Disasms

Docs

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

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