[Perf] Linux/x64: 8 Regressions on 3/24/2025 9:53:02 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Concurrent.IsEmpty&lt;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/ViperUbuntu/System.Collections.Concurrent.IsEmpty(String).Dictionary(Size%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/IsEmpty.cs#L28-#L29>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 206.05 ns | 239.97 ns | 1.16 | 0.21 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.IsEmpty%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.IsEmpty%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.Concurrent.IsEmpty&lt;String&gt;*'
```

<details>

### System.Collections.Concurrent.IsEmpty&lt;String&gt;.Dictionary(Size: 0)

#### 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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Concurrent.IsEmpty&lt;Int32&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/ViperUbuntu/System.Collections.Concurrent.IsEmpty(Int32).Dictionary(Size%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/IsEmpty.cs#L28-#L29>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 205.58 ns | 231.83 ns | 1.13 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.IsEmpty%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.IsEmpty%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.Concurrent.IsEmpty&lt;Int32&gt;*'
```

<details>

### System.Collections.Concurrent.IsEmpty&lt;Int32&gt;.Dictionary(Size: 0)

#### 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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Threading.Tests.Perf_Monitor

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EnterExit - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_Monitor.EnterExit.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.Monitor.cs#L15-#L22>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.68 ns | 6.87 ns | 1.21 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Threading.Tests.Perf_Monitor_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Threading.Tests.Perf_Monitor.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.Threading.Tests.Perf_Monitor*'
```

<details>

### System.Threading.Tests.Perf_Monitor.EnterExit

#### 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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Concurrent.Count&lt;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/ViperUbuntu/System.Collections.Concurrent.Count(String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/Count.cs#L28-#L29>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 210.17 ns | 244.46 ns | 1.16 | 0.14 | False | | |
|<ul><li>[Bag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Concurrent.Count(String).Bag(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/Count.cs#L55-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxKrJNmt2VaMAIdlmBhPayqeBskklj5NiVPWFbWP474yS9cBl/zbx5740NEhAGAgkfRHUOhP3m3hmDNWlnA+9tPXiPlng7WHpXkdf28H5zpw5JpX9jCbfbYi3eLheGoVRL6BmrUYSke0yKvLi9yourfLvP35Q3N+V1vsl32+J6t3ud52Wer+dKj0fHhaJxZJEyz724/oL7wytbd/HdYxuyDlUTsl5pe0monW31IXY+W9XrOvkj7l1/1EZFHY+uQVGCII0eG5GCeBrsV22beMnZ3om/kchnpC86kPO6VuaTIvVdUxdxlNeB7UiiVTKGdJIqx5iO7GUM6UxVTks6E5PTsl4uXuDo3U+2Fyr0GkMKd4M2zZ7FVqT6YwrflBlQ7rnJ6Dj6JwyDoY+/0KsDLhdZ9gLPHQuZEeAVgxN7EWC1Ivdwqs3Q4GoFWQYPJ4Y0CK6FVhvG4tmBG3hQEMbiSIin2/DUot91pzzBM6uGZEqQF5qn2pmht/J/uufpPsiRN+eRJoNSsH3ITp/n4yOqMHjs+SeJ9T8HJ4dsdgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 16.19 ns | 36.91 ns | 2.28 | 0.20 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.Count%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.Count%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.Count%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.Concurrent.Count&lt;String&gt;*'
```

<details>

### System.Collections.Concurrent.Count&lt;String&gt;.Dictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Concurrent.Count&lt;String&gt;.Bag(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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Concurrent.Count&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Bag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Concurrent.Count(Int32).Bag(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/Count.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> | 16.02 ns | 37.57 ns | 2.34 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.Count%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Concurrent.Count%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.Concurrent.Count&lt;Int32&gt;*'
```

<details>

### System.Collections.Concurrent.Count&lt;Int32&gt;.Bag(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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEachNonGeneric&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateForEachNonGeneric(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L54-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.18 μs | 1.27 μs | 1.08 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEachNonGeneric%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEachNonGeneric%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.IterateForEachNonGeneric&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.Queue(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 | [2846fb4bd4e5afc0908891ff728f2afb9900f4c3](https://github.com/dotnet/runtime/commit/2846fb4bd4e5afc0908891ff728f2afb9900f4c3)
Compare | [fa4c14e0d82447c25aa0fa4d9735c905e30836ac](https://github.com/dotnet/runtime/commit/fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2846fb4bd4e5afc0908891ff728f2afb9900f4c3...fa4c14e0d82447c25aa0fa4d9735c905e30836ac)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueTrue&lt;BigStruct, BigStruct&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.TryGetValueTrue(BigStruct%2c%20BigStruct).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L77-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.02 μs | 7.08 μs | 1.18 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueTrue%28BigStruct%2C%20BigStruct%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_01_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueTrue%28BigStruct%2C%20BigStruct%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueTrue&lt;BigStruct, BigStruct&gt;*'
```

<details>

### System.Collections.TryGetValueTrue&lt;BigStruct, BigStruct&gt;.SortedList(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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	2846fb4bd4e5afc0908891ff728f2afb9900f4c3
Compare	fa4c14e0d82447c25aa0fa4d9735c905e30836ac
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	210.17 ns	244.46 ns	1.16	0.14	False
Bag - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.19 ns	36.91 ns	2.28	0.20	False

[Perf] Linux/x64: 8 Regressions on 3/24/2025 9:53:02 PM +00:00 #114112

Description

Run Information

Regressions in System.Collections.Concurrent.IsEmpty<String>

Repro

System.Collections.Concurrent.IsEmpty<String>.Dictionary(Size: 0)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Concurrent.IsEmpty<Int32>

Repro

System.Collections.Concurrent.IsEmpty<Int32>.Dictionary(Size: 0)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Threading.Tests.Perf_Monitor

Repro

System.Threading.Tests.Perf_Monitor.EnterExit

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Concurrent.Count<String>

Repro

System.Collections.Concurrent.Count<String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Concurrent.Count<String>.Bag(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Concurrent.Count<Int32>

Repro

System.Collections.Concurrent.Count<Int32>.Bag(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateForEachNonGeneric<String>

Repro

System.Collections.IterateForEachNonGeneric<String>.Queue(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.TryGetValueTrue<BigStruct, BigStruct>

Repro

System.Collections.TryGetValueTrue<BigStruct, BigStruct>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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