[Perf] Windows/x64: 6 Improvements on 1/24/2025 9:18:01 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3fef04fbd90b0b9c29bf83df312a563476eeba0a](https://github.com/dotnet/runtime/commit/3fef04fbd90b0b9c29bf83df312a563476eeba0a)
Compare | [f91ff5e443dbc9149447eefa9ddb173cfddc2735](https://github.com/dotnet/runtime/commit/f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3fef04fbd90b0b9c29bf83df312a563476eeba0a...f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FrozenSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.ContainsFalse(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L223-#L232>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.14 μs | 1.06 μs | 0.93 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsFalse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsFalse%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.Collections.ContainsFalse&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;Int32&gt;.FrozenSet(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 | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3fef04fbd90b0b9c29bf83df312a563476eeba0a](https://github.com/dotnet/runtime/commit/3fef04fbd90b0b9c29bf83df312a563476eeba0a)
Compare | [f91ff5e443dbc9149447eefa9ddb173cfddc2735](https://github.com/dotnet/runtime/commit/f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3fef04fbd90b0b9c29bf83df312a563476eeba0a...f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tests.Constructor

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConstructorBenchmark_Int16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Numerics.Tests.Constructor.ConstructorBenchmark_Int16.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Vectors/GenericVectorFromSpanConstructorTests.cs#L22-#L23>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.27 ns | 0.81 ns | 0.25 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Numerics.Tests.Constructor_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Numerics.Tests.Constructor.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.Constructor*'
```

<details>

### System.Numerics.Tests.Constructor.ConstructorBenchmark_Int16

#### 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 | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3fef04fbd90b0b9c29bf83df312a563476eeba0a](https://github.com/dotnet/runtime/commit/3fef04fbd90b0b9c29bf83df312a563476eeba0a)
Compare | [f91ff5e443dbc9149447eefa9ddb173cfddc2735](https://github.com/dotnet/runtime/commit/f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3fef04fbd90b0b9c29bf83df312a563476eeba0a...f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_Frozen&lt;NotKnownComparable&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.Perf_Frozen(NotKnownComparable).Contains_True(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.32 μs | 1.22 μs | 0.93 | 0.00 | False | | |
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.Perf_Frozen(NotKnownComparable).Contains_True(Count%3a%2064).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 159.12 ns | 149.34 ns | 0.94 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_Frozen%28NotKnownComparable%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_Frozen%28NotKnownComparable%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_Frozen%28NotKnownComparable%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.Perf_Frozen&lt;NotKnownComparable&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;NotKnownComparable&gt;.Contains_True(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_Frozen&lt;NotKnownComparable&gt;.Contains_True(Count: 64)

#### 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 | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3fef04fbd90b0b9c29bf83df312a563476eeba0a](https://github.com/dotnet/runtime/commit/3fef04fbd90b0b9c29bf83df312a563476eeba0a)
Compare | [f91ff5e443dbc9149447eefa9ddb173cfddc2735](https://github.com/dotnet/runtime/commit/f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3fef04fbd90b0b9c29bf83df312a563476eeba0a...f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrueComparer&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FrozenSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.ContainsTrueComparer(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrueComparer.cs#L115-#L124>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RTY/TMBCG75X6H4ZenIps87EFVgEjoCwfQnvZVHA2yaQ1cuzKnrDtsvx3xkl74TKOnZnXz/vaIAFhIJDwTtSnQNivNs4YbEg7G/jbktI2bP2AG9cflEf/5qul6/Lt6pN3j2hrpKTWj1jBi6JcitfzmWFN1RF6Fm0VIekekzIv11dFcVXebPOb6vpVtS5WL4v1Os/z53le5fnyPOnx4HhQtI4sUuYHG+cvuj+9ss0+/vfYhWyPqg1Zz4SXhsbZTu/izSeret0kf0Tk1kZFQ3euRVGBII0eW5GCuB/sN23beMjd3om/EeQz0hcdyHndKPNRkfqhaT/514FzSWJmMpZ0sirHmo70Mpb0jCqnJT2DyWlZzmdPcPDuF+cMNXqNIYUPgzbtls3WpPpDCt+VGVBu+ZKN4xTQ32MYDL3/jV7tcD7Lsid42LORswI8Y/HxtWCxIHd7bMzQ4mIBWQa3R5Y0CK6DThvW0nYHbuCHgjAORyCPtuVXi3k3e+UJHtg1JFODvGAeG2eG3sr/cU/TeZAjN/eRJoNScHzISZ/O2ztUYfDYoyWx/AfHBCf4fwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.42 μs | 1.30 μs | 0.91 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsTrueComparer%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsTrueComparer%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.Collections.ContainsTrueComparer&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsTrueComparer&lt;Int32&gt;.FrozenSet(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 | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [3fef04fbd90b0b9c29bf83df312a563476eeba0a](https://github.com/dotnet/runtime/commit/3fef04fbd90b0b9c29bf83df312a563476eeba0a)
Compare | [f91ff5e443dbc9149447eefa9ddb173cfddc2735](https://github.com/dotnet/runtime/commit/f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3fef04fbd90b0b9c29bf83df312a563476eeba0a...f91ff5e443dbc9149447eefa9ddb173cfddc2735)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_Frozen&lt;Int16&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.Perf_Frozen(Int16).Contains_True(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.30 μs | 1.23 μs | 0.94 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_Frozen%28Int16%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_Frozen%28Int16%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.Perf_Frozen&lt;Int16&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;Int16&gt;.Contains_True(Count: 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>

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	3fef04fbd90b0b9c29bf83df312a563476eeba0a
Compare	f91ff5e443dbc9149447eefa9ddb173cfddc2735
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.32 μs	1.22 μs	0.93	0.00	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	159.12 ns	149.34 ns	0.94	0.00	False

[Perf] Windows/x64: 6 Improvements on 1/24/2025 9:18:01 PM +00:00 #48933

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Improvements in System.Collections.ContainsFalse<Int32>

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System.Collections.ContainsFalse<Int32>.FrozenSet(Size: 512)

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Improvements in System.Numerics.Tests.Constructor

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System.Numerics.Tests.Constructor.ConstructorBenchmark_Int16

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Improvements in System.Collections.Perf_Frozen<NotKnownComparable>

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System.Collections.Perf_Frozen<NotKnownComparable>.Contains_True(Count: 512)

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System.Collections.Perf_Frozen<NotKnownComparable>.Contains_True(Count: 64)

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Improvements in System.Collections.ContainsTrueComparer<Int32>

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System.Collections.ContainsTrueComparer<Int32>.FrozenSet(Size: 512)

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JIT Disasms

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Improvements in System.Collections.Perf_Frozen<Int16>

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System.Collections.Perf_Frozen<Int16>.Contains_True(Count: 512)

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