[Perf] Linux/arm64: 17 Improvements on 2/21/2025 10:01:34 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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_arm64_ubuntu 22.04/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> | 10.10 ms | 8.43 ms | 0.83 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/PerfLabTests.LowLevelPerf_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%209%2c%20Options%3a%20NonBacktracking).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 84.75 ns | 79.14 ns | 0.93 | 0.19 | False | | |
|<ul><li>[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%205%2c%20Options%3a%20NonBacktracking).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 139.93 ns | 112.64 ns | 0.81 | 0.15 | False | | |
|<ul><li>[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%204%2c%20Options%3a%20NonBacktracking).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 119.95 ns | 108.00 ns | 0.90 | 0.23 | False | | |
|<ul><li>[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%203%2c%20Options%3a%20NonBacktracking).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 170.34 ns | 146.19 ns | 0.86 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 9, Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 5, Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 4, Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 3, Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 System.Collections.IterateFor&lt;Int32&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_arm64_ubuntu 22.04/System.Collections.IterateFor(Int32).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> | 10.20 μs | 6.44 μs | 0.63 | 0.47 | False | | |
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/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> | 10.28 μs | 6.13 μs | 0.60 | 0.43 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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;.ImmutableSortedSet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 Struct.SpanWrapper

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WrapperSum - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Struct.SpanWrapper.WrapperSum.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Struct/SpanWrapper.cs#L30-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.04 μs | 6.90 μs | 0.69 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Struct.SpanWrapper_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Struct.SpanWrapper.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 'Struct.SpanWrapper*'
```

<details>

### Struct.SpanWrapper.WrapperSum

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 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_arm64_ubuntu 22.04/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> | 1.34 secs | 1.18 secs | 0.89 | 0.01 | False | | |
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/SeekUnroll.Test(boxedIndex%3a%2019).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> | 1.34 secs | 1.18 secs | 0.89 | 0.01 | False | | |
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/SeekUnroll.Test(boxedIndex%3a%203).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=H4sIAAAAAAAACl1RQW7bMBC8G/AfNr5QRpVIcVwIUUCgbRq0RZBL7CZnRlxZbCnSIJeNjKZ/D2nJl152weXscGaokYDQE3D4xDaIv38aZ7W+2MZZ9mIHlD+MxKGGqyW7mc90hIuW0EW8FISkesxW5Wp9frk6X1Xbsqo/VvVVeXF9Wa2r9fWHsqzLcjltOtzbuMikJYNUuGDS/on3xQnTdOneYeuLDoX0RS+UOQEaa1q1Sy8fjOhVk/1lt7bfKy1IWfNgJbIaGCl0KFkO7DGYe2VkGka0s+xfEvIN6bvyZJ1qhP4qSDwr6hKPcMpb47MUB08lH63yY82P6nkq+SSVjy2fhPGxLeezN9g7+wsbgg06hT6HL0FpuY1mNyT6fQ5PQgfkKeRbG1NA94g+aPr8B53Y4XxWFG/w2kUjEwOcRXKKWXhYLMjeDY0OEhcLKAq4GyKlRrAttEpHLmV2YEP8KPDH5STIYfxGBynvphOO4DW6hmwE8JPMobE69Ib/L/cwzj0/6o44UqSRsxgfxqQP0/EBhQ8OezTElu+v295vWgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.34 secs | 1.19 secs | 0.89 | 0.01 | False | | |
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/SeekUnroll.Test(boxedIndex%3a%2011).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> | 1.67 secs | 1.52 secs | 0.91 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/SeekUnroll_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/SeekUnroll_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/SeekUnroll_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/SeekUnroll_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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

### SeekUnroll.Test(boxedIndex: 19)

#### ETL Files

#### Histogram

#### JIT Disasms

### SeekUnroll.Test(boxedIndex: 3)

#### ETL Files

#### Histogram

#### JIT Disasms

### SeekUnroll.Test(boxedIndex: 11)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 System.Text.Json.Tests.Perf_Reader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadReturnBytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20True%2c%20TestCase%3a%20LotsOfStrings).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Perf.Reader.cs#L95-#L147>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.49 μs | 1.31 μs | 0.88 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_Reader_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_Reader.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Reader*'
```

<details>

### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: LotsOfStrings)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 System.Collections.IterateForEach&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FrozenSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L390-#L398>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 348.27 ns | 261.43 ns | 0.75 | 0.20 | False | | |
|<ul><li>[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).List(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L104-#L112>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 519.48 ns | 433.75 ns | 0.83 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%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.IterateForEach&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;Int32&gt;.FrozenSet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.List(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
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 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_arm64_ubuntu 22.04/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> | 10.19 μs | 6.07 μs | 0.60 | 0.50 | False | | |
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(String).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> | 9.77 μs | 6.79 μs | 0.69 | 0.48 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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

### System.Collections.IterateFor&lt;String&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>

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	8d3b24598a268ae00664a7dbeb792791ecde5231
Compare	0205063ee6f87c4ac3bc22a48b71d930a03cbe5b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IsMatch - Duration of single invocation ADX - Test Multi Config Graph	84.75 ns	79.14 ns	0.93	0.19	False
IsMatch - Duration of single invocation ADX - Test Multi Config Graph	139.93 ns	112.64 ns	0.81	0.15	False
IsMatch - Duration of single invocation ADX - Test Multi Config Graph	119.95 ns	108.00 ns	0.90	0.23	False
IsMatch - Duration of single invocation ADX - Test Multi Config Graph	170.34 ns	146.19 ns	0.86	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.20 μs	6.44 μs	0.63	0.47	False
ImmutableList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.28 μs	6.13 μs	0.60	0.43	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.34 secs	1.18 secs	0.89	0.01	False
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.34 secs	1.18 secs	0.89	0.01	False
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.34 secs	1.19 secs	0.89	0.01	False
Test - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.67 secs	1.52 secs	0.91	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FrozenSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	348.27 ns	261.43 ns	0.75	0.20	False
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	519.48 ns	433.75 ns	0.83	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.19 μs	6.07 μs	0.60	0.50	False
ImmutableList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.77 μs	6.79 μs	0.69	0.48	False

[Perf] Linux/arm64: 17 Improvements on 2/21/2025 10:01:34 PM +00:00 #51043

Description

Run Information

Improvements in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.ForeachOverList100Elements

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Repro

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 9, Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 5, Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 4, Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 3, Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateFor<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Struct.SpanWrapper

Repro

Struct.SpanWrapper.WrapperSum

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in SeekUnroll

Repro

SeekUnroll.Test(boxedIndex: 27)

ETL Files

Histogram

JIT Disasms

SeekUnroll.Test(boxedIndex: 19)

ETL Files

Histogram

JIT Disasms

SeekUnroll.Test(boxedIndex: 3)

ETL Files

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JIT Disasms

SeekUnroll.Test(boxedIndex: 11)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Tests.Perf_Reader

Repro

System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: LotsOfStrings)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateForEach<Int32>