[Perf] Linux/x64: 5 Improvements on 6/4/2025 3:33:05 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [4572cef893b8bb6b09f6b71327296b5ce7ee6c49](https://github.com/dotnet/runtime/commit/4572cef893b8bb6b09f6b71327296b5ce7ee6c49)
Compare | [dda9996426c9a88c6f6d692b5094326a9511b072](https://github.com/dotnet/runtime/commit/dda9996426c9a88c6f6d692b5094326a9511b072)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4572cef893b8bb6b09f6b71327296b5ce7ee6c49...dda9996426c9a88c6f6d692b5094326a9511b072)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.EnumPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EnumCompareTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.EnumPerf.EnumCompareTo(color%3a%20Red).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/EnumPerf.cs#L26-#L28>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.98 ns | 9.70 ns | 0.75 | 0.42 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.EnumPerf_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.EnumPerf.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.EnumPerf*'
```

<details>

### PerfLabTests.EnumPerf.EnumCompareTo(color: Red)

#### 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 | [4572cef893b8bb6b09f6b71327296b5ce7ee6c49](https://github.com/dotnet/runtime/commit/4572cef893b8bb6b09f6b71327296b5ce7ee6c49)
Compare | [dda9996426c9a88c6f6d692b5094326a9511b072](https://github.com/dotnet/runtime/commit/dda9996426c9a88c6f6d692b5094326a9511b072)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4572cef893b8bb6b09f6b71327296b5ce7ee6c49...dda9996426c9a88c6f6d692b5094326a9511b072)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.CastingPerf2.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ObjInt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.CastingPerf2.CastingPerf.ObjInt.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf2.cs#L176-#L181>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 691.81 μs | 555.00 μs | 0.80 | 0.34 | False | | |
|<ul><li>[ObjScalarValueType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.CastingPerf2.CastingPerf.ObjScalarValueType.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf2.cs#L193-#L198>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 688.69 μs | 601.48 μs | 0.87 | 0.34 | False | | |
|<ul><li>[ObjObjrefValueType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.CastingPerf2.CastingPerf.ObjObjrefValueType.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf2.cs#L210-#L215>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.06 ms | 888.60 μs | 0.84 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.CastingPerf2.CastingPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.CastingPerf2.CastingPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.CastingPerf2.CastingPerf_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/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.ObjInt

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf2.CastingPerf.ObjScalarValueType

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf2.CastingPerf.ObjObjrefValueType

#### 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 | [4572cef893b8bb6b09f6b71327296b5ce7ee6c49](https://github.com/dotnet/runtime/commit/4572cef893b8bb6b09f6b71327296b5ce7ee6c49)
Compare | [dda9996426c9a88c6f6d692b5094326a9511b072](https://github.com/dotnet/runtime/commit/dda9996426c9a88c6f6d692b5094326a9511b072)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4572cef893b8bb6b09f6b71327296b5ce7ee6c49...dda9996426c9a88c6f6d692b5094326a9511b072)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Tests.Add_Remove_SteadyState(Int32).ImmutableStack(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/AddRemove/AddRemoveSteadyState.cs#L92-#L96>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.33 ns | 7.52 ns | 0.81 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.Tests.Add_Remove_SteadyState%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.Tests.Add_Remove_SteadyState&lt;Int32&gt;*'
```

<details>

### System.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;.ImmutableStack(Count: 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	4572cef893b8bb6b09f6b71327296b5ce7ee6c49
Compare	dda9996426c9a88c6f6d692b5094326a9511b072
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ObjInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	691.81 μs	555.00 μs	0.80	0.34	False
ObjScalarValueType - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	688.69 μs	601.48 μs	0.87	0.34	False
ObjObjrefValueType - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.06 ms	888.60 μs	0.84	0.24	False

[Perf] Linux/x64: 5 Improvements on 6/4/2025 3:33:05 AM +00:00 #57259

Description

Run Information

Improvements in PerfLabTests.EnumPerf

Repro

PerfLabTests.EnumPerf.EnumCompareTo(color: Red)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in PerfLabTests.CastingPerf2.CastingPerf

Repro

PerfLabTests.CastingPerf2.CastingPerf.ObjInt

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf2.CastingPerf.ObjScalarValueType

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf2.CastingPerf.ObjObjrefValueType

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Add_Remove_SteadyState<Int32>

Repro

System.Collections.Tests.Add_Remove_SteadyState<Int32>.ImmutableStack(Count: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

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