[Perf] Linux/x64: 81 Regressions on 1/23/2024 10:58:36 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsKeyTrue&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsKeyTrue(String%2c%20String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyTrue.cs#L50-#L59>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.39 μs | 9.32 μs | 1.11 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsKeyTrue%28String%2C%20String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsKeyTrue%28String%2C%20String%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.ContainsKeyTrue&lt;String, String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Collections.ContainsKeyTrue&lt;String, String&gt;.Dictionary(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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsTrue(String).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L110-#L119>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 245.54 μs | 297.37 μs | 1.21 | 0.11 | False | | |
|<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.ContainsTrue(String).Array(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L47-#L56>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 218.31 μs | 300.21 μs | 1.38 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrue%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrue%28String%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrue%28String%29.html>)

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

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsTrue&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Collections.ContainsTrue&lt;String&gt;.LinkedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Sort&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Sort(Int32).List(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Sort.cs#L59-#L60>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.50 μs | 5.40 μs | 1.54 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Sort%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Sort%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.Sort&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Collections.Sort&lt;Int32&gt;.List(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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IterateGetPositionTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateGetPositionTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L135-#L137>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 41.68 ns | 50.62 ns | 1.21 | 0.16 | False | | |
|<ul><li>[SliceTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).SliceTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L143-#L145>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.44 ns | 17.54 ns | 1.14 | 0.08 | False | | |
|<ul><li>[IterateTryGetTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateTryGetTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L127-#L129>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 31.08 ns | 39.62 ns | 1.27 | 0.27 | False | | |
|<ul><li>[IterateForEachSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateForEachSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L111-#L113>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.93 ns | 12.07 ns | 1.10 | 0.19 | False | | |
|<ul><li>[IterateForEachTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateForEachTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L131-#L133>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 33.55 ns | 41.40 ns | 1.23 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%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.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateGetPositionTenSegments

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.SliceTenSegments

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateTryGetTenSegments

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateForEachSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateForEachTenSegments

#### 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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Join_List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Join_List.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L62-#L63>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 54.10 ns | 60.58 ns | 1.12 | 0.01 | False | | |
|<ul><li>[Remove_IntInt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Remove_IntInt(s%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i1%3a%207%2c%20i2%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L87-#L92>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.00 ns | 16.05 ns | 1.07 | 0.03 | False | | |
|<ul><li>[Remove_IntInt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Remove_IntInt(s%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i1%3a%200%2c%20i2%3a%208).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L87-#L92>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.94 ns | 16.21 ns | 1.08 | 0.03 | False | | |
|<ul><li>[Insert - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Insert(s1%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i%3a%207%2c%20s2%3a%20%22Test%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L68-#L72>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.75 ns | 19.63 ns | 1.11 | 0.02 | False | | |
|<ul><li>[Substring_IntInt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Substring_IntInt(s%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i1%3a%207%2c%20i2%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L101-#L106>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.60 ns | 11.66 ns | 1.10 | 0.06 | False | | |
|<ul><li>[Remove_IntInt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Remove_IntInt(s%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i1%3a%2010%2c%20i2%3a%201).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L87-#L92>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.07 ns | 16.72 ns | 1.11 | 0.01 | False | | |
|<ul><li>[ToLowerInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.ToLowerInvariant(s%3a%20%22TEST%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L225-#L231>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.39 ns | 19.88 ns | 1.14 | 0.06 | False | | |
|<ul><li>[Join_Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Join_Array.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L59-#L60>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 52.12 ns | 58.90 ns | 1.13 | 0.01 | False | | |
|<ul><li>[ToLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.ToLower(s%3a%20%22TeSt%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L217-#L223>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.75 ns | 24.70 ns | 1.09 | 0.07 | False | | |
|<ul><li>[Substring_Int - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_String.Substring_Int(s%3a%20%22dzsdzsDDZSDZSDZSddsz%22%2c%20i%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L94-#L99>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.37 ns | 11.73 ns | 1.13 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_8.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_9.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String_10.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_String.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_String*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Tests.Perf_String.Join_List

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 0, i2: 8)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Insert(s1: "dzsdzsDDZSDZSDZSddsz", i: 7, s2: "Test")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Substring_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 10, i2: 1)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.ToLowerInvariant(s: "TEST")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Join_Array

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.ToLower(s: "TeSt")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Substring_Int(s: "dzsdzsDDZSDZSDZSddsz", i: 10)

#### 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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22(%3fi)Tom%7cSawyer%7cHuckleberry%7cFinn%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L239-#L240>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 59.59 ms | 65.59 ms | 1.10 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.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.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "(?i)Tom|Sawyer|Huckleberry|Finn", Options: NonBacktracking)

#### 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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Tests.DictionarySequentialKeys

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_17_Int_32ByteRefsValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.DictionarySequentialKeys.TryGetValue_17_Int_32ByteRefsValue.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Dictionary/DictionarySequentialKeys.cs#L117-#L119>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.09 ns | 3.16 ns | 1.51 | 0.49 | False | | |
|<ul><li>[TryGetValue_17_Int_32ByteValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.DictionarySequentialKeys.TryGetValue_17_Int_32ByteValue.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Dictionary/DictionarySequentialKeys.cs#L113-#L115>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXW/aMBR9n7T/4LckWwoBVtiQMg1o13UdEwO0l2lCJrklnvyRXjstrqb99tkBsUKlKS+RfXzOucdXvpkC1RWCAGn0i9/koQAEMq4Yz+dQKpKmJMiVkWDaWEnDBATHrDFSmRU1D+FWtwuguW4LyuQJcYRZwQxkxlUjTJIw2PbfBDEJKAq3iA7sJWjzlQrwnh+ChdUGRGuiOHdapqRueYJuXbB6S9Eu4K5y8RnlN2DdMdorMN8pr2DVGayupVn1umNroIb+pZpXcqLkLdtUSGvjH8FEiZLxejdVOQQ/SfqHBIY5eh68/J/SQTdM5nuFYBmqJwKmQZTGhs+EI2WiBrRrpb/we1H3sQn/s76UGyahCdcbN+FNlVQN43qqaztgieC+TSSzjVraslHgWWE1yyifoRLKI02Fn+waWX7F1Zpy9lhjTWTz7rxphcttCehmRNYP+PhJT5SbH8ClKver4/FYOtnCUFGS9ySnBvyohd2k2zvrJGe9ZJm8HXbeDc/7rW5/0B+c918nyTBJfAldCUGRPQKhuFkJug1rQ58gJq8isrYnFeLDiMX+KX+roALnU6L65UbsGXkOuuImRZc6D5/cZIeP7gHpxjn1opjUVt44/YgMZM7tAfHNqjc+MrozQOLvmBUUDXlgpiChds0DnR40MdlmildCpqeZ7A7X6S6EIxpmOKTBhWud+6nY/dZLSCh15DFdcmZSugUd/QVL+Vry9gQAAA==>)</li></ul> | 2.09 ns | 3.10 ns | 1.48 | 0.48 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.DictionarySequentialKeys_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.DictionarySequentialKeys_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.DictionarySequentialKeys.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.Tests.DictionarySequentialKeys*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Collections.Tests.DictionarySequentialKeys.TryGetValue_17_Int_32ByteRefsValue

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.DictionarySequentialKeys.TryGetValue_17_Int_32ByteValue

#### 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 | [979a94b861cd7b2f74b45f08089115931421f4fc](https://github.com/dotnet/runtime/commit/979a94b861cd7b2f74b45f08089115931421f4fc)
Compare | [d523506920400aca1a805e9c89e1496c1bde9b56](https://github.com/dotnet/runtime/commit/d523506920400aca1a805e9c89e1496c1bde9b56)
Diff | [Diff](https://github.com/dotnet/runtime/compare/979a94b861cd7b2f74b45f08089115931421f4fc...d523506920400aca1a805e9c89e1496c1bde9b56)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.ReadOnlySpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L64>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.74 ns | 19.70 ns | 1.34 | 0.08 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%22%2c%20value%3a%20%22x%22%2c%20comparisonType%3a%20InvariantCultureIgno.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L64>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 143.80 ns | 188.99 ns | 1.31 | 0.01 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0%e3%81%a0.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L64>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACu1Y0WrUQBR9F/yHoS9JNN2mu0XLQsRtrVp1bd3dNxGZTW43IzN3wp1JmxQR/BP/zR9xJlvWdguSB0GQwBDm3pxz752TPORkCtxUBArQmgdf2VUBBOyoEjKfQalZmrIg1xbB7lGFVigI7qKOiGNWtDiCC7NXAM/NnuICt4ATygphIbOuGxPIwqB+chDELOCk3CbaoBdg7HuuwNd8HswbY0ENpqA0NYOZq36GspmXHAenmEN9djG3JHAVCiwrO2Y7P7//6FevQK9Ar0CvwH+mQP3PJ+hXr0CvQK9Ar8DfVWAnZpdcVuA+4Gu3z7QqOQmjcdGULnlGuUAuo9+eYlbhscYLsaqIW6HRfAyOHUnINprqHIJPLP3GAiscPA8e/onpUm8F5jcMJTLStwjCgCptE94jTrSNOsBOtXknL1Xrgrrg35gTXAmELlhfuAtuqlF3HNdDT9EClQTu2oVyvtL+OXWCFo0RGZfnpJX2ma7E182SRP5K6iWX4rrNdaHNhrOuHU7qEsg5XGzt511Deqyd+wVa6PJmd9fcLhxtbrkq2TOWcwveKIfDZDja3U92R8kiORwPk3GyP0gOn+4fHoweJy5KfAtTKeXe9GtgnFafFa/DtqCfIGaPIrZstjrEG4Mc+1f5QwUVuDol6S/OXN8Dz8BU0qbkps7DWydZ5yeXQHzlKo2imLWlfOH0JQnAXDabjBerDfzI5O4BMX/GrOBk2ZWwBQuNEw9MuuHErM60rBSm2zM167xJ10M4oBVWQhq8cNK5XwLNTegpLEQT+ZwppbApr8FEvwAJwUtBtBAAAA==>)</li></ul> | 14.90 ns | 19.79 ns | 1.33 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.ReadOnlySpan_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.ReadOnlySpan_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_30_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.ReadOnlySpan.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.ReadOnlySpan*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7dde47e4-fce2-45b4-808b-0bbe9bec856e22f78938e6640f79c/4d6948f8-3bbc-4a13-adc4-07c569f1ee0c.zip?sv=2021-08-06&se=2024-02-22T13%3A19%3A57Z&sr=c&sp=rl&sig=AtSrguOg1JpGd3cmi12FQORstxHHnJlkrOZBw%2FkmnNU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7975a031-b492-4976-ac30-d8aaa64fe23262448f0d0414b6a82/389b0cc9-6fd5-411b-b664-5cc44c510887.zip?sv=2021-08-06&se=2024-02-23T05%3A33%3A17Z&sr=c&sp=rl&sig=kHpl6WcNiGhMo7gHiagobQFWeMtG9diCS9wd%2BSOIidE%3D>)
### System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "X", comparisonType: Ordinal)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "x", comparisonType: InvariantCultureIgnoreCase)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "だだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだxだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだ", value: "x", comparisonType: Ordinal)

#### 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	979a94b861cd7b2f74b45f08089115931421f4fc
Compare	d523506920400aca1a805e9c89e1496c1bde9b56
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
LinkedList - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	245.54 μs	297.37 μs	1.21	0.11	False
Array - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	218.31 μs	300.21 μs	1.38	0.14	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IterateGetPositionTenSegments - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	41.68 ns	50.62 ns	1.21	0.16	False
SliceTenSegments - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	15.44 ns	17.54 ns	1.14	0.08	False
IterateTryGetTenSegments - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	31.08 ns	39.62 ns	1.27	0.27	False
IterateForEachSingleSegment - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	10.93 ns	12.07 ns	1.10	0.19	False
IterateForEachTenSegments - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	33.55 ns	41.40 ns	1.23	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Join_List - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	54.10 ns	60.58 ns	1.12	0.01	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	15.00 ns	16.05 ns	1.07	0.03	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.94 ns	16.21 ns	1.08	0.03	False
Insert - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	17.75 ns	19.63 ns	1.11	0.02	False
Substring_IntInt - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	10.60 ns	11.66 ns	1.10	0.06	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	15.07 ns	16.72 ns	1.11	0.01	False
ToLowerInvariant - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	17.39 ns	19.88 ns	1.14	0.06	False
Join_Array - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	52.12 ns	58.90 ns	1.13	0.01	False
ToLower - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	22.75 ns	24.70 ns	1.09	0.07	False
Substring_Int - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	10.37 ns	11.73 ns	1.13	0.07	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_17_Int_32ByteRefsValue - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.09 ns	3.16 ns	1.51	0.49	False
TryGetValue_17_Int_32ByteValue - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.09 ns	3.10 ns	1.48	0.48	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOfString - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.74 ns	19.70 ns	1.34	0.08	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	143.80 ns	188.99 ns	1.31	0.01	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.90 ns	19.79 ns	1.33	0.10	False

[Perf] Linux/x64: 81 Regressions on 1/23/2024 10:58:36 PM #28200

Description

Run Information

Regressions in System.Collections.ContainsKeyTrue<String, String>

Repro

Payloads

System.Collections.ContainsKeyTrue<String, String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsTrue<String>

Repro

Payloads

System.Collections.ContainsTrue<String>.LinkedList(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.ContainsTrue<String>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Sort<Int32>

Repro

Payloads

System.Collections.Sort<Int32>.List(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

Payloads

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateGetPositionTenSegments

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.SliceTenSegments

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateTryGetTenSegments

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateForEachSingleSegment

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateForEachTenSegments

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_String

Repro

Payloads

System.Tests.Perf_String.Join_List

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 0, i2: 8)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.Insert(s1: "dzsdzsDDZSDZSDZSddsz", i: 7, s2: "Test")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.Substring_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

ETL Files