[Perf] Linux/x64: 16 Improvements on 1/15/2025 10:19:49 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
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.Globalization.Tests.StringSearch

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IsPrefix_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options%3a%20(%2c%20IgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L90-#L92>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.61 ns | 8.57 ns | 0.89 | 0.03 | False | | |
|<ul><li>[IsSuffix_DifferentLastChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options%3a%20(en-US%2c%20OrdinalIgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L98-#L100>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SS2/TQBC+R8p/GHKxI5zYTQmtglYC0gcVVJXqAEc0tcfxovVutDumCZT/zmweFy6z8u7MN9/DhhiYAoOC90m5C0zd9Na4JzT6N7J2drqS1zAt2Wu7Lgl91U7vQtk3jd7+uNJNQ54sf8HAyxZ9+rCJQ2EBKdnJ1zKDB19ri+ZubZ2nJQbK4AZNoPE4eTccGFmPDZOX/TUyse4onRWzN5Ozs8nsbFVcLObzxfl8en4xu7x8W7wuikVRjI+TnjZOBpPasSXOfW/j/An3yaOt2vjuqQl5S1iHvENtTw2Vs41ex807i52u0j/J0nUbbfbC711NyQIS1qKwTjJIHnv7Wds6Xkq3d8nfSOSW+JMO7Lyu0Fwh43fNbcRBr4NYkUZ7VSzZQara12zPXsWSHamqw5EdianDMR4OXmDj3U+qGErymkIGH3tt6pWILRm7TQbf0PSkYlRLJy6Qf6TQG/7wizyuaTjI8xd4bkXIEQFeCTiLFwFGI3bX28r0NY1GkOdwvRVIQ+AaaLQRLAkeXC9BQdgPR0ISei2pRb8ryZ3hWVRDemhQJ5rbypm+s+p/urvDfVB73tLHmg2pROwjcXp3/LwnDL2nTn6wZPwPlgfmZ6oCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 22.79 ns | 20.78 ns | 0.91 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch.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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.StringSearch*'
```

<details>

### System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (, IgnoreCase, False))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, False))

#### 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 | ubuntu 22.04
Queue | TigerUbuntu
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>[IndexOfAnyFourValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Byte).IndexOfAnyFourValues(Size%3a%20512).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=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>)</li></ul> | 11.96 ns | 10.26 ns | 0.86 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Byte%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Byte&gt;*'
```

<details>

### System.Memory.Span&lt;Byte&gt;.IndexOfAnyFourValues(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 | ubuntu 22.04
Queue | TigerUbuntu
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.CreateAddAndClear&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.CreateAddAndClear(Int32).Array(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L28-#L39>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 557.89 ns | 395.53 ns | 0.71 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.CreateAddAndClear%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.CreateAddAndClear%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear&lt;Int32&gt;*'
```

<details>

### System.Collections.CreateAddAndClear&lt;Int32&gt;.Array(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 | ubuntu 22.04
Queue | TigerUbuntu
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;Char&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_ubuntu 22.04/System.Memory.Span(Char).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> | 4.45 ns | 3.36 ns | 0.76 | 0.11 | False | | |
|<ul><li>[BinarySearch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Char).BinarySearch(Size%3a%2033).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> | 5.46 ns | 3.99 ns | 0.73 | 0.07 | False | | |
|<ul><li>[IndexOfAnyTwoValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Char).IndexOfAnyTwoValues(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L81-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL04Fdkm7W67UsCIpawAoQppU8HZJJPGyLEje0KbZfl37CS9cJmRx2/evHmjkIDQEXB4z/LeETarAzbG9qu8Ffrtvhb23eqLLvHyrXrQ/fFsvgvVoYty+YwZbNebJXsznynPIypC64lKQUiywWiTbu5u1uubzfqY3mfbXXa7W+0293e3293rNM3SdDl1WmyNb2SlIY2U2E6H/ivvTyt0UYd/i5VLahSlSxoh9RVQGF3JU5jca9HIIvrD9qZppRIkjT6YElkGjCRaLFkM7KnTX6UuQ9GjrWF/g5BPSJ+lI2NlIdRHQeKHpDrwCCud0S4KPvEQ4nFVPsR4UM9DiCepfEzxJIyPaTmfvUBrzS8sCHK0El0MHzqpyqNfNifRtDEM5vKjH7I33gW0T+g6RQ+/0YoTzmdJ8gLn2i8yMcArT07eCweLBZnHS6G6EhcLSBJ4vHhKhWAqqKTyXFKfwHT+UOCG5iDIor+theB34W9NcPZbQzQC+FXmpTCqazT/X24/1h0fdHscSVLImbcPvdP99DygcJ3FBjWx5T/LQEcIcwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 12.82 ns | 11.54 ns | 0.90 | 0.05 | False | | |
|<ul><li>[LastIndexOfAnyValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Char).LastIndexOfAnyValues(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.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> | 12.98 ns | 11.14 ns | 0.86 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Char%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Char%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Char%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'
```

<details>

### System.Memory.Span&lt;Char&gt;.SequenceCompareTo(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.BinarySearch(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.IndexOfAnyTwoValues(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.LastIndexOfAnyValues(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 | ubuntu 22.04
Queue | TigerUbuntu
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_ubuntu 22.04/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> | 669.11 μs | 495.46 μs | 0.74 | 0.41 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_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_ubuntu%2022.04_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
python3 .\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 | ubuntu 22.04
Queue | TigerUbuntu
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.ContainsKeyFalse&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_ubuntu 22.04/System.Collections.ContainsKeyFalse(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/Contains/ContainsKeyFalse.cs#L121-#L130>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.00 μs | 16.50 μs | 0.87 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;*'
```

<details>

### System.Collections.ContainsKeyFalse&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 | ubuntu 22.04
Queue | TigerUbuntu
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.TryGetValueTrue&lt;SmallClass, SmallClass&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.TryGetValueTrue(SmallClass%2c%20SmallClass).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L99-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.94 μs | 4.17 μs | 0.85 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueTrue%28SmallClass%2C%20SmallClass%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueTrue%28SmallClass%2C%20SmallClass%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueTrue&lt;SmallClass, SmallClass&gt;*'
```

<details>

### System.Collections.TryGetValueTrue&lt;SmallClass, SmallClass&gt;.ConcurrentDictionary(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 | ubuntu 22.04
Queue | TigerUbuntu
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>[IndexOfAnyFiveValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Int32).IndexOfAnyFiveValues(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L90-#L91>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.15 ns | 5.48 ns | 0.77 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Span%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Int32&gt;*'
```

<details>

### System.Memory.Span&lt;Int32&gt;.IndexOfAnyFiveValues(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 | ubuntu 22.04
Queue | TigerUbuntu
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;SmallClass, SmallClass&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.TryGetValueFalse(SmallClass%2c%20SmallClass).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L90-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 59.61 μs | 51.03 μs | 0.86 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;*'
```

<details>

### System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;.SortedDictionary(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 | ubuntu 22.04
Queue | TigerUbuntu
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.Tests.Perf_Random

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[NextBytes_unseeded - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_Random.NextBytes_unseeded.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Extensions/Perf.Random.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> | 174.74 ns | 146.54 ns | 0.84 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Tests.Perf_Random_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Tests.Perf_Random.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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Random*'
```

<details>

### System.Tests.Perf_Random.NextBytes_unseeded

#### 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 | ubuntu 22.04
Queue | TigerUbuntu
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_ubuntu 22.04/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> | 346.78 μs | 262.79 μs | 0.76 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_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_ubuntu%2022.04_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
python3 .\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 | ubuntu 22.04
Queue | TigerUbuntu
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.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ShiftLeft - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives(Int32).ShiftLeft(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_BinaryIntegerTensorPrimitives.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> | 14.02 ns | 11.73 ns | 0.84 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;.ShiftLeft(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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	cea112c04e144bb2ee6ee2515607fdc7dfb89d1a
Compare	d454419cb232cb5ef76c17968e13be8bad04a703
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IsPrefix_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.61 ns	8.57 ns	0.89	0.03	False
IsSuffix_DifferentLastChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.79 ns	20.78 ns	0.91	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SequenceCompareTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.45 ns	3.36 ns	0.76	0.11	False
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.46 ns	3.99 ns	0.73	0.07	False
IndexOfAnyTwoValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.82 ns	11.54 ns	0.90	0.05	False
LastIndexOfAnyValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.98 ns	11.14 ns	0.86	0.10	False

Uh oh!

[Perf] Linux/x64: 16 Improvements on 1/15/2025 10:19:49 AM +00:00 #48461

Description

Run Information

Improvements in System.Globalization.Tests.StringSearch

Repro

System.Globalization.Tests.StringSearch.IsPrefix_DifferentFirstChar(Options: (, IgnoreCase, False))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (en-US, OrdinalIgnoreCase, False))

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Byte>

Repro

System.Memory.Span<Byte>.IndexOfAnyFourValues(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.CreateAddAndClear<Int32>

Repro

System.Collections.CreateAddAndClear<Int32>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Char>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.BinarySearch(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfAnyTwoValues(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.LastIndexOfAnyValues(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.Collections.ContainsKeyFalse<Int32, Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Collections.TryGetValueTrue<SmallClass, SmallClass>.ConcurrentDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Int32>

Repro

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

ETL Files