[Perf] Linux/x64: 6 Regressions on 3/15/2024 12:38:06 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Compare | [453713a527ae01197b260fbc427918ee93b3cd5b](https://github.com/dotnet/runtime/commit/453713a527ae01197b260fbc427918ee93b3cd5b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/713e69021b6a53a4f7e7affc2eb10965e41f8f3a...453713a527ae01197b260fbc427918ee93b3cd5b)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Text.Perf_Utf8Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Perf_Utf8Encoding.GetString(Input%3a%20EnglishMostlyAscii).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Utf8Encoding.cs#L33-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 489.24 μs | 521.82 μs | 1.07 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Utf8Encoding_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Utf8Encoding.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.Text.Perf_Utf8Encoding*'
```

<details>

### System.Text.Perf_Utf8Encoding.GetString(Input: EnglishMostlyAscii)

#### 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 | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Compare | [453713a527ae01197b260fbc427918ee93b3cd5b](https://github.com/dotnet/runtime/commit/453713a527ae01197b260fbc427918ee93b3cd5b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/713e69021b6a53a4f7e7affc2eb10965e41f8f3a...453713a527ae01197b260fbc427918ee93b3cd5b)
Configs | CompilationMode:wasm, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AddMultiply_Vectors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Double).AddMultiply_Vectors(BufferLength%3a%203079).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> | 67.54 μs | 121.45 μs | 1.80 | 0.18 | True | | |
|<ul><li>[AddMultiply_Vectors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Double).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> | 3.28 μs | 5.28 μs | 1.61 | 0.20 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Double%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Double%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&gt;.AddMultiply_Vectors(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&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 | TigerUbuntu
Baseline | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Compare | [453713a527ae01197b260fbc427918ee93b3cd5b](https://github.com/dotnet/runtime/commit/453713a527ae01197b260fbc427918ee93b3cd5b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/713e69021b6a53a4f7e7affc2eb10965e41f8f3a...453713a527ae01197b260fbc427918ee93b3cd5b)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FirstSpanSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstSpanSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L62-#L64>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 42.72 ns | 45.81 ns | 1.07 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Buffers.Tests.ReadOnlySequenceTests%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.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstSpanSingleSegment

#### 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 | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Compare | [453713a527ae01197b260fbc427918ee93b3cd5b](https://github.com/dotnet/runtime/commit/453713a527ae01197b260fbc427918ee93b3cd5b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/713e69021b6a53a4f7e7affc2eb10965e41f8f3a...453713a527ae01197b260fbc427918ee93b3cd5b)
Configs | CompilationMode:wasm, 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>[Abs - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).Abs(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#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.01 μs | 1.19 μs | 1.17 | 0.12 | False | | |
|<ul><li>[Abs - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Single).Abs(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UUU/bMBB+n7T/4LckWymhhTKqBa0wtrFR1JW+TRNyk2tyU2xHdw40aNpvn52ijoI05SWxz9/33efTnacguSZQoC2/+i3uCyAQZzWW2RwqI5JEBJmxGuw+1dqigmAXdUZSp0WLI1jxfgEy430lUT8DTigt0EJqXTaBWoTBenQY9EQgSblFtEUvgO21VOA1PwQ3DVtQ/etaAWHK/QVoNuT/bLk/A1rdurMl0OZgRqjQ4h3w+xvUeQmn/cmSw7N6tQK6Ap3bYiyG8fFJ9M/evNbnRq8wr0laNJp/BOdGVVi2u6nJIPgpkj8iuJesgtf/47nQN9TZI15hSuYJARlUZZvwBXFibNQBdmn4qrxTbTm74L/yhc5RQxesF+6CmxptOtr10EttgSoC9+1CmeVm0VSdDM+KhjGV5YyMMj7SlfilWRJmn0uzlCU+tLEutPlg3jXDxbpyzepHyvfxbmefGzdGrltN9bjanZKFo91YqSpxKjJpwU9cOIgHh3vxwd7gYBEfj4/ejYcn/dHocDAcHb2N43Ec+xRcKyUJH0BIym+VXIetoHfQE28isWyeZehtJ63nW/l7DTU4nYrMLzelL8Bz4Lq0CTnXWfjkJpv45A5I5k5pGPVEK+WFk0+EoLOy2UZ8sdqNt0zuDEj4O6aFJCvu0RYiZFc84GTL6Yl1aspa6eS5p2YT52RjwgEt2hKS4KMrnXtbmsetp4hQc+RjXJVoE7kGjv4CFZQHpf0EAAA=>)</li></ul> | 20.81 μs | 28.86 μs | 1.39 | 0.04 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Single%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_21_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_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;.Abs(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Single&gt;.Abs(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	TigerUbuntu
Baseline	713e69021b6a53a4f7e7affc2eb10965e41f8f3a
Compare	453713a527ae01197b260fbc427918ee93b3cd5b
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
AddMultiply_Vectors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	67.54 μs	121.45 μs	1.80	0.18	True
AddMultiply_Vectors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.28 μs	5.28 μs	1.61	0.20	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Abs - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.01 μs	1.19 μs	1.17	0.12	False
Abs - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.81 μs	28.86 μs	1.39	0.04	True

[Perf] Linux/x64: 6 Regressions on 3/15/2024 12:38:06 AM #31645

Description

Run Information

Regressions in System.Text.Perf_Utf8Encoding

Repro

System.Text.Perf_Utf8Encoding.GetString(Input: EnglishMostlyAscii)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>.AddMultiply_Vectors(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstSpanSingleSegment

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Single>.Abs(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

Docs

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