[Perf] Linux/x64: 5 Improvements on 2/21/2025 4:40:21 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [8d3b24598a268ae00664a7dbeb792791ecde5231](https://github.com/dotnet/runtime/commit/8d3b24598a268ae00664a7dbeb792791ecde5231)
Compare | [0205063ee6f87c4ac3bc22a48b71d930a03cbe5b](https://github.com/dotnet/runtime/commit/0205063ee6f87c4ac3bc22a48b71d930a03cbe5b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8d3b24598a268ae00664a7dbeb792791ecde5231...0205063ee6f87c4ac3bc22a48b71d930a03cbe5b)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ForeachOverList100Elements - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.ForeachOverList100Elements.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L385-#L397>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.20 ms | 3.93 ms | 0.94 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/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.ForeachOverList100Elements

#### 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 | [8d3b24598a268ae00664a7dbeb792791ecde5231](https://github.com/dotnet/runtime/commit/8d3b24598a268ae00664a7dbeb792791ecde5231)
Compare | [57ed25449ab954595130997679807a471ef85aef](https://github.com/dotnet/runtime/commit/57ed25449ab954595130997679807a471ef85aef)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8d3b24598a268ae00664a7dbeb792791ecde5231...57ed25449ab954595130997679807a471ef85aef)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateFor&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateFor(Int32).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L115-#L123>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.92 μs | 3.27 μs | 0.83 | 0.27 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateFor%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateFor%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.IterateFor&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateFor&lt;Int32&gt;.ImmutableList(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 | [7e9343be8e693f23d8a7a5c00d6f668668dc7769](https://github.com/dotnet/runtime/commit/7e9343be8e693f23d8a7a5c00d6f668668dc7769)
Compare | [57ed25449ab954595130997679807a471ef85aef](https://github.com/dotnet/runtime/commit/57ed25449ab954595130997679807a471ef85aef)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7e9343be8e693f23d8a7a5c00d6f668668dc7769...57ed25449ab954595130997679807a471ef85aef)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.BenchI.MulMatrix

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.MulMatrix.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/MulMatrix.cs#L96-#L107>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 282.92 ms | 263.59 ms | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/Benchstone.BenchI.MulMatrix_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/Benchstone.BenchI.MulMatrix.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.MulMatrix*'
```

<details>

### Benchstone.BenchI.MulMatrix.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 | [8d3b24598a268ae00664a7dbeb792791ecde5231](https://github.com/dotnet/runtime/commit/8d3b24598a268ae00664a7dbeb792791ecde5231)
Compare | [57ed25449ab954595130997679807a471ef85aef](https://github.com/dotnet/runtime/commit/57ed25449ab954595130997679807a471ef85aef)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8d3b24598a268ae00664a7dbeb792791ecde5231...57ed25449ab954595130997679807a471ef85aef)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in SeekUnroll

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/SeekUnroll.Test(boxedIndex%3a%2027).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/SIMD/SeekUnroll/SeekUnroll.cs#L59-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.76 secs | 1.64 secs | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/SeekUnroll_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/SeekUnroll.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 'SeekUnroll*'
```

<details>

### SeekUnroll.Test(boxedIndex: 27)

#### 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 | [8d3b24598a268ae00664a7dbeb792791ecde5231](https://github.com/dotnet/runtime/commit/8d3b24598a268ae00664a7dbeb792791ecde5231)
Compare | [57ed25449ab954595130997679807a471ef85aef](https://github.com/dotnet/runtime/commit/57ed25449ab954595130997679807a471ef85aef)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8d3b24598a268ae00664a7dbeb792791ecde5231...57ed25449ab954595130997679807a471ef85aef)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateFor&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateFor(String).ImmutableSortedSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L128-#L136>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.91 μs | 3.28 μs | 0.84 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateFor%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_25_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateFor%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.IterateFor&lt;String&gt;*'
```

<details>

### System.Collections.IterateFor&lt;String&gt;.ImmutableSortedSet(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	8d3b24598a268ae00664a7dbeb792791ecde5231
Compare	0205063ee6f87c4ac3bc22a48b71d930a03cbe5b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/x64: 5 Improvements on 2/21/2025 4:40:21 PM +00:00 #50863

Description

Run Information

Improvements in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.ForeachOverList100Elements

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateFor<Int32>

Repro

System.Collections.IterateFor<Int32>.ImmutableList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Benchstone.BenchI.MulMatrix

Repro

Benchstone.BenchI.MulMatrix.Test

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in SeekUnroll

Repro

SeekUnroll.Test(boxedIndex: 27)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateFor<String>

Repro

System.Collections.IterateFor<String>.ImmutableSortedSet(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

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