[Perf] Windows/x64: 11 Improvements on 2/6/2025 1:04:24 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateForEach&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableHashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(String).ImmutableHashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L299-#L307>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 29.58 μs | 26.47 μs | 0.89 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%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.IterateForEach&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;String&gt;.ImmutableHashSet(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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in IfStatements.IfStatements

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Single - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/IfStatements.IfStatements.Single.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Statements/If.cs#L45-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 34.32 μs | 28.14 μs | 0.82 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/IfStatements.IfStatements_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/IfStatements.IfStatements.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 'IfStatements.IfStatements*'
```

<details>

### IfStatements.IfStatements.Single

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
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
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryParseSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Tests.Perf_Int64.TryParseSpan(value%3a%20%229223372036854775807%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int64.cs#L48-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 31.70 ns | 26.57 ns | 0.84 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Tests.Perf_Int64_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Tests.Perf_Int64.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_Int64*'
```

<details>

### System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableHashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(Int32).ImmutableHashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L299-#L307>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.86 μs | 16.18 μs | 0.81 | 0.03 | False | | |
|<ul><li>[ImmutableDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(Int32).ImmutableDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L286-#L294>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTZMSMRC9U8V/aLkEyllmGNBa0Vgqi0pZe1koPWdnGiZWPqikx2V0/e92GLh46VSS916/fm2QgDASSPggtl0ktNOVNwYr0t7F6YYwKMLPPqxV1bzbOJqX76cba1tSjwbv9BmnQjfe6t+4hFezciLeDgeGddWeySxcswBpi+OyKBc3s/JmNtsVt8vizXJeTBfl7aJ4PX9ZFMuimFyYAY+eiaL25JDy0LrEv+o+BuWqJv0H3Me8QVXH3CrtroDKu70+pM6dU1ZX4z9i5e1RG5XM3vsaxRIEaQxYiwzEQ+u+aVenR0YHL/4mI1+QvupIPuhKmTtF6oemJumooCNnM065yVSyflR5rtnZvUwlu1iV/ZFdjMn+mAwHz3AM/idnDVsMGmMGn1pt6h0PuyVljxl8V6ZFueMmK88pYHjA2Br6+IvXcsDhIM+f4anhQS4K8ILFibOIMBqRX58q09Y4GkGew/rEkgbB72GvDWtpdwDf8qIgnsnJUEBX89ZS3lWjAsETTw3jHiCvNk+VN6118n+7Xf8e5dk340iTQSk4PuSku8v1HlVsA1p0JCb/AJn+Ky6DAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 16.35 μs | 13.06 μs | 0.80 | 0.07 | False | | |
|<ul><li>[IEnumerable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(Int32).IEnumerable(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L88-#L90>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 889.59 ns | 351.67 ns | 0.40 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%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.IterateForEach&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;Int32&gt;.ImmutableHashSet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.ImmutableDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.IEnumerable(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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.SequenceReader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryReadTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.SequenceReader.TryReadTo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/SequenceReader.cs#L26-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 104.62 ns | 96.72 ns | 0.92 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.SequenceReader_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.SequenceReader.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.SequenceReader*'
```

<details>

### System.Memory.SequenceReader.TryReadTo

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[InterfaceInterfaceMethodSwitchCallType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodSwitchCallType.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L157-#L168>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 873.32 μs | 779.76 μs | 0.89 | 0.02 | False | | |
|<ul><li>[GenericClassWithSTringGenericInstanceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/PerfLabTests.LowLevelPerf.GenericClassWithSTringGenericInstanceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L372-#L380>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 247.77 μs | 187.19 μs | 0.76 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/PerfLabTests.LowLevelPerf_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/PerfLabTests.LowLevelPerf.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 'PerfLabTests.LowLevelPerf*'
```

<details>

### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodSwitchCallType

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.GenericClassWithSTringGenericInstanceMethod

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
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
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayCopyToByteArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L156-#L157>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 211.93 ns | 113.53 ns | 0.54 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Tests.Perf_BitArray_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Tests.Perf_BitArray.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.Tests.Perf_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(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 10.0.22621
Queue | TigerWindows
Baseline | [ff604c23939bc59f856ef67f1f3d18dd685ff7a2](https://github.com/dotnet/runtime/commit/ff604c23939bc59f856ef67f1f3d18dd685ff7a2)
Compare | [16782a4481f389e68314b16ea628c5af80f22783](https://github.com/dotnet/runtime/commit/16782a4481f389e68314b16ea628c5af80f22783)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ff604c23939bc59f856ef67f1f3d18dd685ff7a2...16782a4481f389e68314b16ea628c5af80f22783)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_UInt32

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParseSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Tests.Perf_UInt32.ParseSpan(value%3a%20%2212345%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.UInt32.cs#L38-#L40>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.02 ns | 11.95 ns | 0.92 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Tests.Perf_UInt32_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Tests.Perf_UInt32.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_UInt32*'
```

<details>

### System.Tests.Perf_UInt32.ParseSpan(value: "12345")

#### 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 10.0.22621
Queue	TigerWindows
Baseline	ff604c23939bc59f856ef67f1f3d18dd685ff7a2
Compare	16782a4481f389e68314b16ea628c5af80f22783
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ImmutableHashSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.86 μs	16.18 μs	0.81	0.03	False
ImmutableDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.35 μs	13.06 μs	0.80	0.07	False
IEnumerable - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	889.59 ns	351.67 ns	0.40	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
InterfaceInterfaceMethodSwitchCallType - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	873.32 μs	779.76 μs	0.89	0.02	False
GenericClassWithSTringGenericInstanceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	247.77 μs	187.19 μs	0.76	0.02	False

[Perf] Windows/x64: 11 Improvements on 2/6/2025 1:04:24 PM +00:00 #49927

Description

Run Information

Improvements in System.Collections.IterateForEach<String>

Repro

System.Collections.IterateForEach<String>.ImmutableHashSet(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in IfStatements.IfStatements

Repro

IfStatements.IfStatements.Single

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_Int64

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateForEach<Int32>

Repro

System.Collections.IterateForEach<Int32>.ImmutableHashSet(Size: 512)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.IEnumerable(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.SequenceReader

Repro

System.Memory.SequenceReader.TryReadTo

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodSwitchCallType

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.GenericClassWithSTringGenericInstanceMethod

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Perf_BitArray

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_UInt32

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata