[Perf] Windows/arm64: 23 Improvements on 5/28/2025 10:33:48 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Char_ToLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Char.Char_ToLower(c%3a%20%27%c4%b0%27%2c%20cultureName%3a%20en-US).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Char.cs#L53-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.14 ns | 19.64 ns | 0.89 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_Char_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_Char.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Char*'
```

<details>

### System.Tests.Perf_Char.Char_ToLower(c: 'İ', cultureName: en-US)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SumOfSquares - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).SumOfSquares(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L96-#L97>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 33.00 ns | 25.52 ns | 0.77 | 0.01 | False | | |
|<ul><li>[AddMultiply_ScalarAddend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).AddMultiply_ScalarAddend(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 38.55 ns | 36.34 ns | 0.94 | 0.01 | False | | |
|<ul><li>[Abs - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).Abs(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 27.11 ns | 24.13 ns | 0.89 | 0.20 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.SumOfSquares(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.AddMultiply_ScalarAddend(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.Abs(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Perf_Convert

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ChangeType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Perf_Convert.ChangeType.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Extensions/Perf.Convert.cs#L36-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzYTZdiSCFgW1aswFCgaILtOGgWHauQJUOi1xht/31U7Fx6ISHq8fHx0SIBYSSQ8EXs+kjYLB8wVH+23v3DQMttrdwB932L4mY6sQxXFWFgvFaEZBqcr4rV+qL4dFGs98XnzWWxWV8ur66vVuvr1cei2BTFYuwM2HpuFNqTQ8pD51L/mfdvUK6s03/AKuY1Kh3zRhl3BpTeVeaQJvdONaacv4itb1pjFRnv7r1GsQFBBgNqkYF47NxP43QqMjp48ZaE/EC6M5F8MKWy3xWp34bqxKOCid7FebJDppANq8pTzE7qZQrZKFUOKRuFySEtppNXaIN/wpJgh8FgzOBbZ6ze87I7Uk2bwS9lO5R7HrL17AKGR4ydpa9suTrgdJLnr/Bc8yIjA3xgcmIvIsxm5G+Ppe00zmaQ53B7ZEqL4CuojGUu4w7gOz4UxFNzEhTQab5a8rusVSB45q1hPgDkWeax9LZrnHwvtx/qUZ50M44MWZSC7UN2uh+f96hiF7BBR2LxH9CXwmBaAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 26.26 ns | 20.29 ns | 0.77 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Perf_Convert_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Perf_Convert.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Perf_Convert*'
```

<details>

### System.Perf_Convert.ChangeType

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfAnyFourValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.Span(Int32).IndexOfAnyFourValues(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L87-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL04FdkmbXdbFDBiWRZYoQppU8HZJJPGyLEje8I2sPw7dpJeuMzI4zdv3rxRSEDoCDi8Y3nvCJvVARtj+1XeCv3mQdN283b1oEs8f61udf/RdPabUB26KJe/MYPtdslez2fKE4mK0HqmUhCSbDDapJubq/T6Kr05pq+y9Trb7Fa7/fV+vd+9TNMsTZdTp8XW+EZWGtJIie106L/w/rBCF3X4t1i5pEZRuqQRUl8AhdGVPIXJvRaNLKI/7M40rVSCpNEHUyLLgJFEiyWLgT12+ovUZSh6tDXsbxDyCemzdGSsLIT6IEh8l1QHHmGlM9pFwSgeQjyuyocYD+p5CPEklY8pnoTxMS3ns2dorfmJBUGOVqKL4X0nVXn0y+YkmjaGwVt+9EPujHcB7SO6TtHtL7TihPNZkjzDU+0XmRjghScn74WDxYLM/blQXYmLBSQJ3J89pUIwFVRSeS6pT2A6fyhwQ3MQZNHf1kLwu6iFJXjyW0M0AvhF5rkwqms0/19uP9YdH3R7HElSyJm3D73T/fQ8oHCdxQY1seU/nb6UmnQCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 55.93 ns | 49.67 ns | 0.89 | 0.01 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.43 ns | 0.41 ns | 0.29 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.Span%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.Span%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.Span%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Int32&gt;*'
```

<details>

### System.Memory.Span&lt;Int32&gt;.IndexOfAnyFourValues(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IterateForEachMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateForEachMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L95-#L96>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.80 ns | 11.51 ns | 0.61 | 0.09 | False | | |
|<ul><li>[FirstSpanSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstSpanSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L62-#L64>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.84 ns | 3.81 ns | 0.79 | 0.04 | False | | |
|<ul><li>[SliceSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).SliceSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L123-#L125>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.90 ns | 2.57 ns | 0.33 | 0.07 | False | | |
|<ul><li>[IterateGetPositionSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L115-#L117>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwY7TMBC9V+o/mF7cimxiyhatCkawZQUIrUBNBWeTTBojxy72eLcRy78zTtILl7E8fvPmzRsbQIYQkEn2jpd9QOjy29g04EN+oHzI96Dqr9b0JfyOYCsYsm92rfJv888IXiF8BPzmgkbtbKnt0UAJxw4s8tfzmaEGqiEcdagJi7qD5VqsN1fi+kpsDuJm+2K93azzzauX4uZaPBdiK8RqqvRwclTIa4cWsPDRpvoL70+vbNWmdw9NKFpSGopOaXsBVM42+pg691Z1ulr+4TvXnbRRSeu9q4FvGUcNHmqeMb6P9ou2dUoS2jv+Nwmh8T7pgM7rSpkPCtUPjW3iUV4HZ8MyGShTyMZR5RCzQb1MIZukyvHIJmFyPFbz2RM7efcLKmQleA0hY7dRm/pAw5aoulPGvisTQSbzd45cAL+HEA2+f6ANHGE+K4on9tjSIBMDe0bkSF4EtliguztXJtawWLCiYHdnojTAXMMabYiLlsZcpEWxMBQnQR5sTVtLfle0bGSPNDVbjgB5kXmunImdlf/L7cd8kINuwqFGA5KTfUBO99P1HlSIHobPsvoHe9iduYwCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 22.97 ns | 18.56 ns | 0.81 | 0.14 | False | | |
|<ul><li>[IterateGetPositionTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L135-#L137>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 59.96 ns | 44.57 ns | 0.74 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_005.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateForEachMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstSpanSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionTenSegments

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IndexerSet&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.IndexerSet(String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L86-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.39 μs | 13.95 μs | 0.80 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.IndexerSet%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.IndexerSet%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IndexerSet&lt;String&gt;*'
```

<details>

### System.Collections.IndexerSet&lt;String&gt;.Dictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Nullable(DateTimeOffset)).SerializeToString(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L75-#L76>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW4TMRC9R8o/DLl4I7bZpaVtCHUFlKoIVJCaiJ7d3dmskdeO7HGb0PLvjDcbDlzGGvvNmzdvbJCAMBBI+CCWu0DYzVa4pdnX4OxsiV4ro38r0pytGBdm914TpteL79EY9WDw4rMiXOkOfzRNQLq8/FeHK7ckr+06u3U1LmDpoq/wBu1UvB+PDPdWDaHn5jVTEFNkx+Xx6VH59qg8XZXzxZuzRVnO3p2fnJ3P56/LkrPpUOlx47hQ1I4sUuGjTfUH3gevbNWmd49NKFpUdSg6pe0BUDnb6HXqvLOq01X2LK5ct9GmnzXJFQsQpNFjLXIQd9F+07ZOl4z2TvxJQm6QvuhAzutKGbZB3WtqE4/ymi0KWfJWppDvR5V9zHv1MoV8kCr3Rz4Ik/tjOh69wMa7X1gRJFcx5PApalMnv5ekuk0OP5WJKNN2rhy7gP4OQzT08RG9WuN4VBQv8NTyIAMDvGJyYi8CTCbkrreViTVOJlAUcL1lSoPgGmi0YS5eHrjIi4LQFydBHm3NW0t+V63yBE88NWR7gDzI3FbOxM7K/+Xu9vdB9roZR5oMSpF+ETu9G9JbVCF67NCSmP4FGiLCQacCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 190.65 ns | 180.86 ns | 0.95 | 0.00 | False | | |
|<ul><li>[SerializeObjectProperty - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Nullable(DateTimeOffset)).SerializeObjectProperty(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L97-#L98>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 280.08 ns | 261.75 ns | 0.93 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Nullable%28DateTimeOffset%29%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Nullable%28DateTimeOffset%29%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Nullable%28DateTimeOffset%29%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
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;Nullable&lt;DateTimeOffset&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;.SerializeToString(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;.SerializeObjectProperty(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Concurrent.AddRemoveFromDifferentThreads&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Concurrent.AddRemoveFromDifferentThreads(String).ConcurrentBag(Size%3a%202000000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/AddRemoveFromDifferentThreads.cs#L69-#L70>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 326.96 ms | 300.22 ms | 0.92 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Concurrent.AddRemoveFromDifferentThreads%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Concurrent.AddRemoveFromDifferentThreads%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Concurrent.AddRemoveFromDifferentThreads&lt;String&gt;*'
```

<details>

### System.Collections.Concurrent.AddRemoveFromDifferentThreads&lt;String&gt;.ConcurrentBag(Size: 2000000)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Linq.Tests.Perf_Enumerable.ToDictionary(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L276-#L278>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.40 μs | 1.17 μs | 0.84 | 0.01 | False | | |
|<ul><li>[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 225.39 ns | 208.37 ns | 0.92 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Linq.Tests.Perf_Enumerable_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Linq.Tests.Perf_Enumerable.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.ToDictionary(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tests.Perf_Quaternion

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CreateFromYawPitchRollBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Numerics.Tests.Perf_Quaternion.CreateFromYawPitchRollBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Vectors/Perf_Quaternion.cs#L66-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 44.11 ns | 40.82 ns | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tests.Perf_Quaternion_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tests.Perf_Quaternion.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_Quaternion*'
```

<details>

### System.Numerics.Tests.Perf_Quaternion.CreateFromYawPitchRollBenchmark

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AddMultiply_ScalarMultiplier - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Int32).AddMultiply_ScalarMultiplier(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L61-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 41.05 ns | 38.22 ns | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;.AddMultiply_ScalarMultiplier(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements 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
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)the%22%2c%20Options%3a%20Compiled).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 729.33 μs | 688.59 μs | 0.94 | 0.03 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22.*%22%2c%20Options%3a%20Compiled).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RwY7TMBCG75X6DkMuaSGbZKtWQkGWgKUCBCtWbQXHyiST1uDYkT3eTcXy7oyb9sLFI49nfn/zj0YCQk8g4G26PXnCLt/hQPkGD0FLtx56h94razznPfn8AV2751cc9p9NEzy5037D4as0h/32iE7b+nd+Z4Oh2YMkQmcqSPKXSQbfeopCFdzZrlcam3n6ZjrRjCBbrmOGRhKS6nC2KBerm3J5U6525etqUVaL23x5u1qUy+WrsqzKcn7pdNhbbkwbSwapcPwt9191fzpp6mN8d9j64oiy8UUnlbkW1Na06hB/PhnZqXr2Jx3hZES9tw2mFaSk0GGTZpBugvmiTBOTXO1s+jeCfET6pDxZp2qpP0iSPxQdo450yvPEs2ixiEc2jirOZ3amF/HILqhiDNkFTIxhPp08Q+/sL6wJtugU+gzeB6WbHQ+7Jdn1GXyXOqCISzqbj26DPmh694hOHnA6KYpneOL94EUBXrA4sRcekoTseqh1aDBJoChgPbCkRrAttEqzljIHsIEXBf7cHIEcmoa3Fv2uj9IRPPHUMBsLxBVzqK0OnRH/457GvBdnbq4jRRpFyvYhO326XO9R+uCwQ0Pp/B+YiL9TrgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.47 ms | 1.28 ms | 0.87 | 0.31 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
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*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)the", Options: Compiled)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: ".*", Options: Compiled)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7ed741ec05fa8883791d39568bb46dc349fe6839](https://github.com/dotnet/runtime/commit/7ed741ec05fa8883791d39568bb46dc349fe6839)
Compare | [1aa4568fe91128d2b99b07b978fcf0b11c416e42](https://github.com/dotnet/runtime/commit/1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7ed741ec05fa8883791d39568bb46dc349fe6839...1aa4568fe91128d2b99b07b978fcf0b11c416e42)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Perf_Ascii

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Perf_Ascii.ToUtf16(Size%3a%206).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L114-#L116>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.78 ns | 5.56 ns | 0.82 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Perf_Ascii_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Perf_Ascii.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Ascii*'
```

<details>

### System.Text.Perf_Ascii.ToUtf16(Size: 6)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	arm64
OS	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	7ed741ec05fa8883791d39568bb46dc349fe6839
Compare	1aa4568fe91128d2b99b07b978fcf0b11c416e42
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SumOfSquares - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	33.00 ns	25.52 ns	0.77	0.01	False
AddMultiply_ScalarAddend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	38.55 ns	36.34 ns	0.94	0.01	False
Abs - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	27.11 ns	24.13 ns	0.89	0.20	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexOfAnyFourValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	55.93 ns	49.67 ns	0.89	0.01	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.43 ns	0.41 ns	0.29	0.11	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IterateForEachMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.80 ns	11.51 ns	0.61	0.09	False
FirstSpanSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.84 ns	3.81 ns	0.79	0.04	False
SliceSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.90 ns	2.57 ns	0.33	0.07	False
IterateGetPositionSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.97 ns	18.56 ns	0.81	0.14	False
IterateGetPositionTenSegments - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	59.96 ns	44.57 ns	0.74	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	190.65 ns	180.86 ns	0.95	0.00	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	280.08 ns	261.75 ns	0.93	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.40 μs	1.17 μs	0.84	0.01	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	225.39 ns	208.37 ns	0.92	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	729.33 μs	688.59 μs	0.94	0.03	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.47 ms	1.28 ms	0.87	0.31	False

[Perf] Windows/arm64: 23 Improvements on 5/28/2025 10:33:48 PM +00:00 #56874

Description

Run Information

Improvements in System.Tests.Perf_Char

Repro

System.Tests.Perf_Char.Char_ToLower(c: 'İ', cultureName: en-US)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Single>

Repro

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Single>.SumOfSquares(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Single>.AddMultiply_ScalarAddend(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Single>.Abs(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Perf_Convert

Repro

System.Perf_Convert.ChangeType

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 4)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstSpanSingleSegment

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.SliceSingleSegment

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateGetPositionSingleSegment

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateGetPositionTenSegments

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IndexerSet<String>

Repro

System.Collections.IndexerSet<String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Serialization.Tests.WriteJson<Nullable<DateTimeOffset>>