[Perf] Linux/x64: 22 Regressions on 2/13/2025 12:40:20 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in IfStatements.IfStatements

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[And - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/IfStatements.IfStatements.And.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Statements/If.cs#L60-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 27.13 μs | 29.84 μs | 1.10 | 0.02 | False | | |
|<ul><li>[Single - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/IfStatements.IfStatements.Single.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Statements/If.cs#L45-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 24.42 μs | 29.84 μs | 1.22 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/IfStatements.IfStatements_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/IfStatements.IfStatements_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/IfStatements.IfStatements.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 'IfStatements.IfStatements*'
```

<details>

### IfStatements.IfStatements.And

#### ETL Files

#### Histogram

#### JIT Disasms

### IfStatements.IfStatements.Single

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_False_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%201000%2c%20ItemsPerBucket%3a%205).html>)</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 | 1.07 μs | 1.06 | 0.02 | False | | |
|<ul><li>[TryGetValue_False_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%201000%2c%20ItemsPerBucket%3a%201).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.16 μs | 1.27 μs | 1.10 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Perf_LengthBucketsFrozenDictionary_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Perf_LengthBucketsFrozenDictionary_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Perf_LengthBucketsFrozenDictionary.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.Perf_LengthBucketsFrozenDictionary*'
```

<details>

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000, ItemsPerBucket: 1)

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ObjectStringIsString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.ObjectStringIsString.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L231-#L240>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY4aMQy9I/EPLpeAOssMsKooVaS221VbldWuFtSew4yHSZVJUOIsoG7/vQ4zXHqxZcfv5fnZIAFhIJDwUTyhr9dqt+U6TNfuuMYXNKk5fdz9xpI25LXdfw9dFh+GA8NwVRN6xleKkHSL43kxv72ZzW9my22xXM3fr25n03eLolgslm+LYlUUkx7p8eAYKCpHFin30Sb8lXfnlS2b9O6xDnmDqgp5q7S9DpTO1nqffj5b1epy/EfcufagjSLt7IOrUKxAkEaPlchAPEf7Q9sqNXnaO/E3CfmK9E0Hcl6XynxRpH5pahKP8jo4G8bJHplC1q0qLzG7qJcpZL1U2aWsFya7NBkOXuHgXTIQNug1hgw+R22qLS+7IdUeMvipTESZjL9z7AL6ZwzR0KcX9GqPw0Gev8Kx4UV6BnjD5MReBBiNyN2fShMrHI0gz+H+xJQGwdVQa8NcfCtwkQ8F4QJOgjzaiq+W/C4b5QmOvDWMuwF5lXkqnYmtlf/LPXf9IC+6eY40GZSC7UN2+tyXD6hC9NiiJTH5BzvvGy5qAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 40.68 μs | 54.26 μs | 1.33 | 0.03 | False | | |
|<ul><li>[InterfaceInterfaceMethodLongHierarchy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L141-#L148>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 271.18 μs | 298.27 μs | 1.10 | 0.02 | False | | |
|<ul><li>[ClassVirtualMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.ClassVirtualMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L173-#L184>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 135.64 μs | 162.74 μs | 1.20 | 0.03 | False | | |
|<ul><li>[StructWithInterfaceInterfaceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.StructWithInterfaceInterfaceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L205-#L216>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 135.56 μs | 162.74 μs | 1.20 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf.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 'PerfLabTests.LowLevelPerf*'
```

<details>

### PerfLabTests.LowLevelPerf.ObjectStringIsString

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.ClassVirtualMethod

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.StructWithInterfaceInterfaceMethod

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateForEach(String).ImmutableDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L286-#L294>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.74 μs | 25.16 μs | 1.42 | 0.19 | False | | |
|<ul><li>[ConcurrentQueue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateForEach(String).ConcurrentQueue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L234-#L242>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.86 μs | 3.03 μs | 1.06 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%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.IterateForEach&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;String&gt;.ImmutableDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;String&gt;.ConcurrentQueue(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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.TryGetValueFalse(SmallClass%2c%20SmallClass).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L79-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.33 μs | 17.56 μs | 1.08 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%29.html>)

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

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

<details>

### System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;.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>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ArrayList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateForNonGeneric(Int32).ArrayList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForNonGeneric.cs#L24-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 287.73 ns | 353.15 ns | 1.23 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForNonGeneric%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForNonGeneric%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.IterateForNonGeneric&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForNonGeneric&lt;Int32&gt;.ArrayList(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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.MathBenchmarks.Double

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Exp - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.MathBenchmarks.Double.Exp.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Math/Functions/Double/Exp.cs#L17-#L18>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.71 μs | 23.08 μs | 1.06 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.MathBenchmarks.Double_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.MathBenchmarks.Double.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.MathBenchmarks.Double*'
```

<details>

### System.MathBenchmarks.Double.Exp

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.CastingPerf2.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IntObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.CastingPerf2.CastingPerf.IntObj.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf2.cs#L186-#L191>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 54.26 μs | 108.54 μs | 2.00 | 0.03 | False | | |
|<ul><li>[ScalarValueTypeObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.CastingPerf2.CastingPerf.ScalarValueTypeObj.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf2.cs#L203-#L208>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 81.38 μs | 162.79 μs | 2.00 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.CastingPerf2.CastingPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.CastingPerf2.CastingPerf_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.CastingPerf2.CastingPerf.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 'PerfLabTests.CastingPerf2.CastingPerf*'
```

<details>

### PerfLabTests.CastingPerf2.CastingPerf.IntObj

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf2.CastingPerf.ScalarValueTypeObj

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchstone.BenchI.BenchE

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/Benchstone.BenchI.BenchE.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/BenchE.cs#L70-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1R0W7TMBR9r9R/uPTFrciaLINpFFmCjQrQtJetgmcT3zRGjl3Z16wV49+5TtKXSda9iX3u8TnHFgkII4GET+IWXdNF8g7Xw+f3sW3XO0aIj/OZZbRqCQPDtSIk0+Oyrup3F5f1xeXNrrrZXNW81vXV9XX9/sPbqtpU1WqaDHjwPCi0J4dUhuTy/Jn3V1B8Vz4P2MayQ6Vj2SvjzoDGu9bs880np3rTLP+KO98fjFVkvHvwGsUGBBkMqEUB4jG5e+N03mR08OJfFvIV6Zthj8E0yn5RpH4a6jKPCiZ6F5c5DZlLMVqVQy0G9TKXYpIqx1ZMwuTYVvPZCxyC/40NwRMGg7GA22Ss3rHZJ1L9oYAfyiaUOdU7zylgeMSYLH3+g0HtcT4ryxd47tjIxABvmJw4iwiLBfntsbFJ42IBZQnbI1NaBN9CayxzGbcHn/ihIA7DWVBAp/nVct5NpwLBM7uG5QiQZ5nHxtvUO/la7mncj3LQzTgyZFEKjg856dP0+4AqpoA9OhKr/5I2SlFZAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 226.41 ms | 290.33 ms | 1.28 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchstone.BenchI.BenchE_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchstone.BenchI.BenchE.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 'Benchstone.BenchI.BenchE*'
```

<details>

### Benchstone.BenchI.BenchE.Test

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
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>[IndexerCheckPathLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Tests.Perf_String.IndexerCheckPathLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L281-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 96.58 ns | 115.85 ns | 1.20 | 0.02 | False | | |
|<ul><li>[IndexerCheckLengthHoisting - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Tests.Perf_String.IndexerCheckLengthHoisting.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L267-#L279>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 20.09 ns | 38.79 ns | 1.93 | 0.03 | False | | |
|<ul><li>[IndexerCheckBoundCheckHoist - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Tests.Perf_String.IndexerCheckBoundCheckHoist.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L251-#L265>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.56 ns | 38.79 ns | 1.98 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_String_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_String_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_String_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_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>

### System.Tests.Perf_String.IndexerCheckPathLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.IndexerCheckLengthHoisting

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.IndexerCheckBoundCheckHoist

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MeasureReverseUsingNtoH - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseUsingNtoH.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/BinaryReadAndWriteTests.cs#L197-#L209>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 410.99 ns | 546.24 ns | 1.33 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.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.Binary.Tests.BinaryReadAndWriteTests*'
```

<details>

### System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseUsingNtoH

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Range).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 57.96 ns | 84.50 ns | 1.46 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Linq.Tests.Perf_Enumerable.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.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Range)

#### 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 | [109c9469a7f76bdc98300bd9c7bb4eaf014be971](https://github.com/dotnet/runtime/commit/109c9469a7f76bdc98300bd9c7bb4eaf014be971)
Compare | [505e3171007810999a7f56672b9f70332609273f](https://github.com/dotnet/runtime/commit/505e3171007810999a7f56672b9f70332609273f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/109c9469a7f76bdc98300bd9c7bb4eaf014be971...505e3171007810999a7f56672b9f70332609273f)
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>[Stack - 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).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L67-#L75>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.13 μs | 1.25 μs | 1.10 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_18_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/02_18_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;.Stack(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	109c9469a7f76bdc98300bd9c7bb4eaf014be971
Compare	505e3171007810999a7f56672b9f70332609273f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
And - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	27.13 μs	29.84 μs	1.10	0.02	False
Single - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.42 μs	29.84 μs	1.22	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.01 μs	1.07 μs	1.06	0.02	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.16 μs	1.27 μs	1.10	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ObjectStringIsString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	40.68 μs	54.26 μs	1.33	0.03	False
InterfaceInterfaceMethodLongHierarchy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	271.18 μs	298.27 μs	1.10	0.02	False
ClassVirtualMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	135.64 μs	162.74 μs	1.20	0.03	False
StructWithInterfaceInterfaceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	135.56 μs	162.74 μs	1.20	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.74 μs	25.16 μs	1.42	0.19	False
ConcurrentQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.86 μs	3.03 μs	1.06	0.22	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IntObj - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	54.26 μs	108.54 μs	2.00	0.03	False
ScalarValueTypeObj - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	81.38 μs	162.79 μs	2.00	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexerCheckPathLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	96.58 ns	115.85 ns	1.20	0.02	False
IndexerCheckLengthHoisting - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.09 ns	38.79 ns	1.93	0.03	False
IndexerCheckBoundCheckHoist - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.56 ns	38.79 ns	1.98	0.03	False

[Perf] Linux/x64: 22 Regressions on 2/13/2025 12:40:20 AM +00:00 #112657

Description

Run Information

Regressions in IfStatements.IfStatements

Repro

IfStatements.IfStatements.And

ETL Files

Histogram

JIT Disasms

IfStatements.IfStatements.Single

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

Repro

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000, ItemsPerBucket: 1)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.ObjectStringIsString

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.ClassVirtualMethod

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.StructWithInterfaceInterfaceMethod

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateForEach<String>

Repro

System.Collections.IterateForEach<String>.ImmutableDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<String>.ConcurrentQueue(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.TryGetValueFalse<SmallClass, SmallClass>

Repro

System.Collections.TryGetValueFalse<SmallClass, SmallClass>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateForNonGeneric<Int32>

Repro

System.Collections.IterateForNonGeneric<Int32>.ArrayList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.MathBenchmarks.Double

Repro

System.MathBenchmarks.Double.Exp

ETL Files

Histogram