[Perf] Linux/x64: 13 Regressions on 1/23/2025 10:40:01 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Add_Scalar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).Add_Scalar(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.10 ns | 8.80 ns | 1.24 | 0.34 | False | | |
|<ul><li>[AddMultiply_Vectors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).AddMultiply_Vectors(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#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> | 18.37 ns | 19.90 ns | 1.08 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.Add_Scalar(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.AddMultiply_Vectors(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.Span&lt;Byte&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_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Byte).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> | 5.12 ns | 20.38 ns | 3.98 | 0.12 | False | | |
|<ul><li>[IndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Byte).IndexOfValue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.96 ns | 4.11 ns | 1.39 | 0.20 | False | | |
|<ul><li>[StartsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Byte).StartsWith(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L61-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.02 ns | 5.12 ns | 1.27 | 0.21 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Byte).SequenceEqual(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.76 ns | 9.56 ns | 1.23 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Byte%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Byte%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/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;.Reverse(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.IndexOfValue(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.StartsWith(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.SequenceEqual(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 | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Max_Scalar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Int32).Max_Scalar(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L79-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.02 ns | 10.95 ns | 1.56 | 0.22 | False | | |
|<ul><li>[AddMultiply_Vectors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Int32).AddMultiply_Vectors(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#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> | 18.24 ns | 20.11 ns | 1.10 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;.Max_Scalar(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Int32&gt;.AddMultiply_Vectors(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Equals - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tests.Perf_BigInteger.Equals(arguments%3a%20259%20bytes%2c%20Same).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Numerics/Perf.BigInteger.cs#L146-#L149>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.13 ns | 5.41 ns | 1.31 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger.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.Tests.Perf_BigInteger*'
```

<details>

### System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, Same)

#### 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 | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.Span&lt;Char&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_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Char).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> | 9.58 ns | 25.63 ns | 2.68 | 0.25 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.Span(Char).SequenceEqual(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.51 ns | 19.84 ns | 1.28 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.Span%28Char%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/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;.Reverse(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.SequenceEqual(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 | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Text.Tests.Base64Tests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConvertToBase64CharArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Text.Tests.Base64Tests.ConvertToBase64CharArray(NumberOfBytes%3a%201000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Base64Tests.cs#L49-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 57.87 ns | 63.18 ns | 1.09 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Base64Tests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Base64Tests.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.Buffers.Text.Tests.Base64Tests*'
```

<details>

### System.Buffers.Text.Tests.Base64Tests.ConvertToBase64CharArray(NumberOfBytes: 1000)

#### 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 | ViperUbuntu
Baseline | [ba72b9787d6c591557b4fc60d3e2a602f2b18dd3](https://github.com/dotnet/runtime/commit/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3)
Compare | [0a477a86d0fea6234ada63e660c0faa310fe121d](https://github.com/dotnet/runtime/commit/0a477a86d0fea6234ada63e660c0faa310fe121d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ba72b9787d6c591557b4fc60d3e2a602f2b18dd3...0a477a86d0fea6234ada63e660c0faa310fe121d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Distance - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Distance(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L101-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 167.64 ns | 187.86 ns | 1.12 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_28_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Distance(BufferLength: 3079)

#### 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	ViperUbuntu
Baseline	ba72b9787d6c591557b4fc60d3e2a602f2b18dd3
Compare	0a477a86d0fea6234ada63e660c0faa310fe121d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Add_Scalar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.10 ns	8.80 ns	1.24	0.34	False
AddMultiply_Vectors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.37 ns	19.90 ns	1.08	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Reverse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.12 ns	20.38 ns	3.98	0.12	False
IndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.96 ns	4.11 ns	1.39	0.20	False
StartsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.02 ns	5.12 ns	1.27	0.21	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.76 ns	9.56 ns	1.23	0.16	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Max_Scalar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.02 ns	10.95 ns	1.56	0.22	False
AddMultiply_Vectors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.24 ns	20.11 ns	1.10	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Reverse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.58 ns	25.63 ns	2.68	0.25	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.51 ns	19.84 ns	1.28	0.08	False

[Perf] Linux/x64: 13 Regressions on 1/23/2025 10:40:01 PM +00:00 #111913

Description

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Byte>

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>

Repro

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>.Max_Scalar(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>.AddMultiply_Vectors(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tests.Perf_BigInteger

Repro

System.Numerics.Tests.Perf_BigInteger.Equals(arguments: 259 bytes, Same)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Char>

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Text.Tests.Base64Tests

Repro

System.Buffers.Text.Tests.Base64Tests.ConvertToBase64CharArray(NumberOfBytes: 1000)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>

Repro

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Distance(BufferLength: 3079)

ETL Files

Histogram