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[Perf] Windows/x64: 24 Regressions on 6/13/2025 9:58:39 PM +00:00 #116756

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@performanceautofiler

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@performanceautofiler

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in Burgers

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
203.65 ms 296.66 ms 1.46 0.01 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Burgers*'

Burgers.Test3

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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 Windows 10.0.22621
Queue TigerWindows
Baseline 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
10.71 ns 14.16 ns 1.32 0.32 False
17.52 ns 20.16 ns 1.15 0.06 False
15.86 ns 22.08 ns 1.39 0.11 False
11.32 ns 14.88 ns 1.31 0.04 False
16.30 ns 20.86 ns 1.28 0.05 False
11.10 ns 14.75 ns 1.33 0.02 False
16.42 ns 23.22 ns 1.41 0.12 False
16.74 ns 19.68 ns 1.18 0.07 False
18.17 ns 19.54 ns 1.08 0.07 False
11.53 ns 14.84 ns 1.29 0.07 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int32*'

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

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System.Tests.Perf_Int32.TryParse(value: "-2147483648")

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System.Tests.Perf_Int32.TryParseSpan(value: "2147483647")

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

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System.Tests.Perf_Int32.Parse(value: "-2147483648")

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

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System.Tests.Perf_Int32.TryParse(value: "2147483647")

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JIT Disasms

System.Tests.Perf_Int32.ParseSpan(value: "-2147483648")

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System.Tests.Perf_Int32.TryParseSpan(value: "-2147483648")

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JIT Disasms

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

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 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Document.Tests.Perf_EnumerateArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
434.65 ns 667.74 ns 1.54 0.09 False
433.84 ns 667.90 ns 1.54 0.09 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.Json.Document.Tests.Perf_EnumerateArray*'

System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase: ArrayOfStrings)

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System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase: ArrayOfNumbers)

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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 Windows 10.0.22621
Queue TigerWindows
Baseline 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
11.12 ns 12.39 ns 1.11 0.03 False
11.64 ns 15.27 ns 1.31 0.03 False
11.32 ns 13.02 ns 1.15 0.03 False
11.23 ns 12.67 ns 1.13 0.02 False

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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt32*'

System.Tests.Perf_UInt32.TryParse(value: "12345")

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JIT Disasms

System.Tests.Perf_UInt32.TryParseHex(value: "FFFFFFFF")

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JIT Disasms

System.Tests.Perf_UInt32.ParseSpan(value: "12345")

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Histogram

JIT Disasms

System.Tests.Perf_UInt32.Parse(value: "12345")

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 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.91 ms 3.67 ms 1.26 0.47 False
1.86 ms 2.20 ms 1.18 0.03 False
1.81 ms 2.15 ms 1.19 0.18 False
165.98 μs 177.78 μs 1.07 0.34 False
3.17 ms 3.86 ms 1.22 0.59 False

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graph
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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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\w+\s+Holmes\s+\w+", Options: NonBacktracking)

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\p{Lu}", Options: None)

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\p{Lu}", Options: NonBacktracking)

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "Holmes.{0,25}Watson|Watson.{0,25}Holmes", Options: NonBacktracking)

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\s[a-zA-Z]{0,12}ing\s", Options: NonBacktracking)

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 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in Benchmark.GetChildKeysTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
541.15 μs 599.50 μs 1.11 0.33 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 'Benchmark.GetChildKeysTests*'

Benchmark.GetChildKeysTests.AddChainedConfigurationNoDelimiter

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 3d2e38acd24f5216c0cf6e3c50e2221ff8e48a80
Compare 3cabc2180c2a1707ba535e5d6911d53d58731dd2
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
5.23 ms 6.52 ms 1.25 0.35 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.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.GreatestCommonDivisor(arguments: 65536,65536 bits)

ETL Files

Histogram

JIT Disasms

Docs

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

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