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[Perf] Windows/arm64: 52 Improvements on 5/29/2025 7:08:27 AM +00:00 #56875

@performanceautofiler

Description

@performanceautofiler

Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
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
80.42 ns 60.38 ns 0.75 0.01 False
10.42 μs 9.37 μs 0.90 0.02 False
98.13 ns 91.28 ns 0.93 0.01 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.Tests.Perf_Uri*'

System.Tests.Perf_Uri.UnescapeDataString(input: "abc%20def%20ghi%20")

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

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System.Tests.Perf_Uri.Ctor(input: "http://dot.net")

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Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
95.17 ns 81.78 ns 0.86 0.05 False
16.38 ns 8.63 ns 0.53 0.50 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.Net.Primitives.Tests.CredentialCacheTests*'

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 0)

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System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

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Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Serialization.Tests.WriteJson<Hashtable>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
12.87 μs 11.30 μs 0.88 0.03 False
13.10 μs 11.23 μs 0.86 0.06 False
11.14 μs 9.76 μs 0.88 0.06 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.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;*'

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeObjectProperty(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToString(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToStream(Mode: SourceGen)

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Serialization.Tests.WriteJson<ArrayList>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
6.10 μs 5.42 μs 0.89 0.01 False
6.18 μs 5.40 μs 0.87 0.03 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.Serialization.Tests.WriteJson&lt;ArrayList&gt;*'

System.Text.Json.Serialization.Tests.WriteJson<ArrayList>.SerializeToUtf8Bytes(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<ArrayList>.SerializeToStream(Mode: SourceGen)

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
14.86 ns 13.15 ns 0.88 0.05 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.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Byte&gt;*'

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>.LeadingZeroCount(BufferLength: 128)

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Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
4.71 ns 3.47 ns 0.74 0.01 False
5.12 ns 3.95 ns 0.77 0.04 False
2.18 ns 0.21 ns 0.10 0.12 False
2.19 ns 0.86 ns 0.39 0.22 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.Buffers.Text.Tests.Utf8ParserTests*'

System.Buffers.Text.Tests.Utf8ParserTests.TryParseSByte(value: -128)

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System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt64(value: 12345)

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System.Buffers.Text.Tests.Utf8ParserTests.TryParseBool(value: false)

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System.Buffers.Text.Tests.Utf8ParserTests.TryParseByte(value: 0)

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Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
16.93 ns 11.21 ns 0.66 0.17 False
9.92 ns 5.38 ns 0.54 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.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateForEachMemory

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System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateForEachSingleSegment

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Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
11.65 μs 10.57 μs 0.91 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 'System.Collections.TryGetValueTrue&lt;String, String&gt;*'

System.Collections.TryGetValueTrue<String, String>.ConcurrentDictionary(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 arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
9.07 μs 8.29 μs 0.91 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 'System.Collections.TryGetValueFalse&lt;String, String&gt;*'

System.Collections.TryGetValueFalse<String, String>.ConcurrentDictionary(Size: 512)

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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 arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
20.26 μs 19.09 μs 0.94 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 'System.Text.Json.Document.Tests.Perf_ParseThenWrite*'

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json4KB)

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Reflection.Activator<EmptyStruct>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
11.51 ns 7.92 ns 0.69 0.14 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.Reflection.Activator&lt;EmptyStruct&gt;*'

System.Reflection.Activator<EmptyStruct>.CreateInstanceType

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JIT Disasms

Docs

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


Run Information

Name Value
Architecture arm64
OS Windows 10.0.22621
Queue SurfaceWindows
Baseline 7ed741ec05fa8883791d39568bb46dc349fe6839
Compare d960be890a25df350184089056e87e2bfc1446c5
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Improvements in System.Collections.Tests.Perf_BitArray

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio
33.11 ns 30.13 ns 0.91 0.02 False
29.22 ns 26.67 ns 0.91 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 'System.Collections.Tests.Perf_BitArray*'

System.Collections.Tests.Perf_BitArray.BitArrayBitArrayCtor(Size: 512)

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System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 4)

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Histogram

JIT Disasms

Docs

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

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