[Perf] Windows/x64: 15 Improvements on 1/15/2025 10:19:49 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
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>[Reverse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Int32).Reverse(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L46-#L47>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.27 ns | 2.34 ns | 0.55 | 0.03 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%2033).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> | 2.61 ns | 1.48 ns | 0.57 | 0.03 | False | | |
|<ul><li>[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Int32).LastIndexOfValue(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L93-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.69 ns | 3.46 ns | 0.74 | 0.33 | False | | |
|<ul><li>[Reverse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Int32).Reverse(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L46-#L47>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.62 ns | 39.89 ns | 0.79 | 0.02 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/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> | 2.61 ns | 1.47 ns | 0.56 | 0.03 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%20512).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> | 2.61 ns | 1.47 ns | 0.56 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Int32%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_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;.Reverse(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.LastIndexOfValue(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.Reverse(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(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 | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_Frozen&lt;ReferenceType&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 10.0.22621/System.Collections.Perf_Frozen(ReferenceType).Contains_True(Count%3a%204).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> | 63.15 ns | 54.10 ns | 0.86 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Perf_Frozen%28ReferenceType%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.Perf_Frozen%28ReferenceType%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;ReferenceType&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;ReferenceType&gt;.Contains_True(Count: 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 | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
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>[EqualsIgnoreCase_DifferentCase_Chars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(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#L70-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW4TMRC9R8o/DLk4EdvsJmoLDbJESSNAqBJqIjhWZnc2O8hrB3u2TaD8O+NscuEy1tgzb957Y4sMjJFBw3u1PkTGdrrBPU+/Yqgfb2NJNF396oyNn7fOB1yaiI93VNcY0PExWzYmxPGafuMCrifq3XBgBdTUjEFQK8PI1OJ4XswvL2azi/lsU7xdzItFcTm9mt1c37y5el1IVkxOnQF3XhpV5dkh56Fzqf+M+yMYVzbpPWAd8wZNFfPWkDsXlN7VtE2TD860VI7/qKVvd2QNk3f3vkK1AMUkAiqVgXro3BdyVbqU6uDV30TkI/IniuwDlcbeGTbfiZuEYwJF7+I4maZTyHqp+hizI3udQnaiqvsjOxHT/TEZDl5gF/xPLBnWGAhjBh86stVGxK7ZtLsMvhnbod7IkKUXFzA8YOws3z5hMFscDvL8BZ4bEXJCgFcCzuJFhNGI/Wpf2q7C0QjyHFZ7gbQIvoaarGCR24LvZFEQj82JkOy0kq0lv0vZKsOzqIZxX6DPNPelt13r9P90D/191EfeUsfEFrUS+1CcPpzSezSxC9jK/1GTf7t86j6AAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 14.09 ns | 10.82 ns | 0.77 | 0.01 | False | | |
|<ul><li>[EqualsIgnoreCase_DifferentCase_Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(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#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.18 ns | 10.46 ns | 0.74 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Text.Perf_Ascii_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Text.Perf_Ascii_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_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.EqualsIgnoreCase_DifferentCase_Chars(Size: 6)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(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>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.TryGetValueFalse&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableSortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.TryGetValueFalse(Int32%2c%20Int32).ImmutableSortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L123-#L132>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 26.65 μs | 21.88 μs | 0.82 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.TryGetValueFalse%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.TryGetValueFalse%28Int32%2C%20Int32%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.TryGetValueFalse&lt;Int32, Int32&gt;*'
```

<details>

### System.Collections.TryGetValueFalse&lt;Int32, Int32&gt;.ImmutableSortedDictionary(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 | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
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>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.ContainsFalse(Int32).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L195-#L204>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 919.92 μs | 714.94 μs | 0.78 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.ContainsFalse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_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;.ImmutableList(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 | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceCompareTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Byte).SequenceCompareTo(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L55-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.15 ns | 2.71 ns | 0.65 | 0.04 | False | | |
|<ul><li>[BinarySearch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Memory.Span(Byte).BinarySearch(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L107-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.12 ns | 3.09 ns | 0.75 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Byte%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Memory.Span%28Byte%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;Byte&gt;*'
```

<details>

### System.Memory.Span&lt;Byte&gt;.SequenceCompareTo(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.BinarySearch(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 | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.ContainsTrue(Int32).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L236-#L245>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 430.43 μs | 376.31 μs | 0.87 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.ContainsTrue%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.ContainsTrue%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.ContainsTrue&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;Int32&gt;.ImmutableList(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 | [cea112c04e144bb2ee6ee2515607fdc7dfb89d1a](https://github.com/dotnet/runtime/commit/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a)
Compare | [d454419cb232cb5ef76c17968e13be8bad04a703](https://github.com/dotnet/runtime/commit/d454419cb232cb5ef76c17968e13be8bad04a703)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cea112c04e144bb2ee6ee2515607fdc7dfb89d1a...d454419cb232cb5ef76c17968e13be8bad04a703)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Double&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(Double).GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Intrinsics/Perf_Vector128OfT.cs#L40-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.61 ns | 9.10 ns | 0.86 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Double%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Double%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.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Double&gt;*'
```

<details>

### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Double&gt;.GetHashCodeBenchmark

#### 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	cea112c04e144bb2ee6ee2515607fdc7dfb89d1a
Compare	d454419cb232cb5ef76c17968e13be8bad04a703
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Reverse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.27 ns	2.34 ns	0.55	0.03	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.61 ns	1.48 ns	0.57	0.03	False
LastIndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.69 ns	3.46 ns	0.74	0.33	False
Reverse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.62 ns	39.89 ns	0.79	0.02	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.61 ns	1.47 ns	0.56	0.03	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.61 ns	1.47 ns	0.56	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
EqualsIgnoreCase_DifferentCase_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.09 ns	10.82 ns	0.77	0.01	False
EqualsIgnoreCase_DifferentCase_Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.18 ns	10.46 ns	0.74	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SequenceCompareTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.15 ns	2.71 ns	0.65	0.04	False
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.12 ns	3.09 ns	0.75	0.03	False

Uh oh!

[Perf] Windows/x64: 15 Improvements on 1/15/2025 10:19:49 AM +00:00 #48486

Description

Run Information

Improvements in System.Memory.Span<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.Reverse(Size: 512)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Perf_Frozen<ReferenceType>

Repro

System.Collections.Perf_Frozen<ReferenceType>.Contains_True(Count: 4)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Perf_Ascii

Repro

System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(Size: 6)

ETL Files

Histogram

JIT Disasms

System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(Size: 6)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsFalse<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Byte>

Repro

System.Memory.Span<Byte>.SequenceCompareTo(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Byte>.BinarySearch(Size: 4)

ETL Files

Histogram

JIT Disasms

Docs

Run Information