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[Perf] Windows/x64: 53 Improvements on 6/4/2025 5:12:34 PM +00:00 #57137

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture x64
OS Windows 10.0.22621
Queue TigerWindows
Baseline dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in Benchstone.BenchF.InvMt

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
3.33 ms 2.51 ms 0.75 0.66 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 'Benchstone.BenchF.InvMt*'

Benchstone.BenchF.InvMt.Test

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Int64

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
31.97 ns 26.69 ns 0.83 0.03 False
31.97 ns 26.66 ns 0.83 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.Tests.Perf_Int64*'

System.Tests.Perf_Int64.ParseSpan(value: "9223372036854775807")

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System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

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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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in Burgers

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
249.85 ms 203.23 ms 0.81 0.01 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 'Burgers*'

Burgers.Test3

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in Benchstone.MDBenchI.MDArray2

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.05 secs 1.91 secs 0.93 0.00 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 'Benchstone.MDBenchI.MDArray2*'

Benchstone.MDBenchI.MDArray2.Test

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.IO.Tests.BinaryWriterExtendedTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
347.47 ns 285.60 ns 0.82 0.01 False
346.10 ns 288.02 ns 0.83 0.01 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.IO.Tests.BinaryWriterExtendedTests*'

System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiCharArray(StringLengthInChars: 8000)

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System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString(StringLengthInChars: 8000)

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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 Windows 10.0.22621
Queue TigerWindows
Baseline dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.TryGetValueFalse<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.10 μs 1.64 μs 0.78 0.55 False
19.69 μs 15.30 μs 0.78 0.05 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.Collections.TryGetValueFalse&lt;Int32, Int32&gt;*'

System.Collections.TryGetValueFalse<Int32, Int32>.FrozenDictionaryOptimized(Size: 512)

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Histogram

JIT Disasms

System.Collections.TryGetValueFalse<Int32, Int32>.ImmutableDictionary(Size: 512)

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in Benchstone.BenchI.Ackermann

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
4.12 μs 2.25 μs 0.55 0.58 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 'Benchstone.BenchI.Ackermann*'

Benchstone.BenchI.Ackermann.Test

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in PerfLabTests.CastingPerf2.CastingPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
327.79 μs 290.24 μs 0.89 0.03 False
313.07 μs 286.63 μs 0.92 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 'PerfLabTests.CastingPerf2.CastingPerf*'

PerfLabTests.CastingPerf2.CastingPerf.IFooObjIsIFoo

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PerfLabTests.CastingPerf2.CastingPerf.FooObjIsDescendant

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in PerfLabTests.LowLevelPerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
187.15 μs 156.22 μs 0.83 0.12 False
187.22 μs 155.99 μs 0.83 0.02 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 'PerfLabTests.LowLevelPerf*'

PerfLabTests.LowLevelPerf.GenericClassGenericStaticMethod

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PerfLabTests.LowLevelPerf.StructWithInterfaceInterfaceMethod

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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 Windows 10.0.22621
Queue TigerWindows
Baseline dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
135.75 ns 100.98 ns 0.74 0.46 False
13.59 μs 10.61 μs 0.78 0.04 False
1.41 μs 1.24 μs 0.88 0.03 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_LengthBucketsFrozenDictionary*'

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10, ItemsPerBucket: 5)

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System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

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JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.ContainsKeyFalse<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.11 μs 1.79 μs 0.85 0.46 False
3.36 μs 2.01 μs 0.60 0.11 False
19.67 μs 13.88 μs 0.71 0.05 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;*'

System.Collections.ContainsKeyFalse<Int32, Int32>.FrozenDictionary(Size: 512)

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Histogram

JIT Disasms

System.Collections.ContainsKeyFalse<Int32, Int32>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.ContainsKeyFalse<Int32, Int32>.ImmutableDictionary(Size: 512)

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
35.66 ms 25.65 ms 0.72 0.39 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", 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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Tests.Perf_Uri

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
6.39 μs 5.48 μs 0.86 0.30 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.Tests.Perf_Uri*'

System.Tests.Perf_Uri.EscapeDataString(input: "{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{")

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 dda9996426c9a88c6f6d692b5094326a9511b072
Compare 3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.TryGetValueTrue<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
2.72 μs 2.11 μs 0.78 0.24 False
20.99 μs 17.47 μs 0.83 0.51 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.Collections.TryGetValueTrue&lt;Int32, Int32&gt;*'

System.Collections.TryGetValueTrue<Int32, Int32>.IDictionary(Size: 512)

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Histogram

JIT Disasms

System.Collections.TryGetValueTrue<Int32, Int32>.ImmutableDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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

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