[Perf] Linux/arm64: 9 Improvements on 7/21/2024 1:40:36 PM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [7f6318495c0b1b0418055fc08c92df358cd7e58d](https://github.com/dotnet/runtime/commit/7f6318495c0b1b0418055fc08c92df358cd7e58d)
Compare | [d285c824a7b240a50c20bf61e0602f3239d76b8c](https://github.com/dotnet/runtime/commit/d285c824a7b240a50c20bf61e0602f3239d76b8c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7f6318495c0b1b0418055fc08c92df358cd7e58d...d285c824a7b240a50c20bf61e0602f3239d76b8c)
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>[ImmutableArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(Int32).ImmutableArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L102-#L110>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 217.62 ns | 194.28 ns | 0.89 | 0.01 | True | | |
|<ul><li>[ReadOnlySpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(Int32).ReadOnlySpan(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L59-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 218.23 ns | 178.16 ns | 0.82 | 0.00 | True | | |
|<ul><li>[Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(Int32).Array(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L32-#L40>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXY/TMBB8R+I/+M0J5NqQNkVU5ESv3EGBotL2DSHkJnuNkT+itXPXnBC/HTutyrUnobxE8WRmdrzazRyYqREkKGue/Sb3JSCQq5qLYgmVJllGaKGtAtvHWlkugZ6yrpCpvGx5CLemXwIrTF8yrs6IE8xLbiG3rhrhigR0NxrSiFCG0r2ER/YajP3KJHjPd3TVGAuyN9VCOC3XyvRmFpBZuNH4dqbsILnsTRBZE6z4A4xJ+ioJ/5Ve1mqq1S3f1k7i1d/pVMuKi/Y01wXQHyT7Q6jljl7Q5/9TOugzV8VBIXmO+pGAG5CVbYInwom2YQfaTJsv4k62zerC/2Su1ZYr6ML1xl14c610x7ie6toPWCG4ZxfJYqvXTdUp8KJsDM+ZWKCW2iNdhR+bDfLig9AbJvhDi3WRLZNl1wrXuwrQLYJqp/R0bqfaLQngWleHt9MdWDvZyjJZkUtSuBH2+xQkcTK8iNOLJF3Hr8fpaByPesPh4M0gTV/G8TiOfQlTS8nQDThhuP0p2S5oDX2CiLwIyaY5qxAd9yjyo/ythhqcT4X6l9ujJ+QlmFrYDF3qInh0kz0+uXMbt3VOgzAirZU3zm6QgypEc0R8s9qDj4zuGyDxd8xLhpbcc1uSwLjmgcmOmojsci1qqbLzTM0eN9k+hCNabgVk9L1rnftzNIejl5BAmdBjphLcZmwHJvwLztKNSdsEAAA=>)</li></ul> | 217.52 ns | 177.58 ns | 0.82 | 0.01 | True | | |
|<ul><li>[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(Int32).Span(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L45-#L54>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 218.39 ns | 178.17 ns | 0.82 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateFor%28Int32%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/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;.ImmutableArray(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateFor&lt;Int32&gt;.ReadOnlySpan(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateFor&lt;Int32&gt;.Array(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateFor&lt;Int32&gt;.Span(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 | [7f6318495c0b1b0418055fc08c92df358cd7e58d](https://github.com/dotnet/runtime/commit/7f6318495c0b1b0418055fc08c92df358cd7e58d)
Compare | [d285c824a7b240a50c20bf61e0602f3239d76b8c](https://github.com/dotnet/runtime/commit/d285c824a7b240a50c20bf61e0602f3239d76b8c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7f6318495c0b1b0418055fc08c92df358cd7e58d...d285c824a7b240a50c20bf61e0602f3239d76b8c)
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>[Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).Array(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L53-#L61>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXW/TQBB8R+I/3NvZ4CaumwQS4Yo0pCVAUEjyhhC62Nv40H1Ye+c2rhC/nTsnCk0rIb9YvvHM7Nxq13NgpkKQoKx58ZvcF4BAriou8iWUmqQpobm2CmwXK2W5BHrKukKmsqLhIdyabgEsN13JuHpCHGNWcAuZddUIVySgu0GPRoQylO4lPLLXYOxXJsF7vqer2liQnYkWwmm5VqYzs4DMwrXGKcuKdzNlL5LLzhiR1cGKP8CI9M+T8F/5ZaUmWt3ybeVk3uE7nWhZctGc5joH+oOkfwi13NFz+vJ/Sgd95io/KCTPUD8ScAOytHXwTDjWNmxBm2nzRdzJpmFt+J/MVG25gjZcb9yGN9dKt4zrqa79gCWCe7aRLLZ6XZetAi+K2vCMiQVqqT3SVvix3iDPb4TeMMEfGqyNbJks21aY7kpAtwyqmdTT2Z1otyiAa10e3k73YO1kK8tkSS5J7sbY71SQxEnvLO6fJf11/GbUH456g85geD4cxG9fx/Eojn0JU0nJ0A04Ybj9KdkuaAx9goi8CsmmflIhOu5S5Ef5WwUVOJ8S9S+3S8/ISzCVsCm61Hnw6CZ7fHzntm7rnC7CiDRW3ji9Rg4qF/UR8c1qDj4yum+AxN8xKxhacs9tQQLjmgcmPWoissu0qKRKn2aq97hJ9yEc0XIrIKUfXOvc36M+HL2EBMqEHjOl4DZlOzDhX5GYd9LfBAAA>)</li></ul> | 222.67 ns | 195.90 ns | 0.88 | 0.01 | True | | |
|<ul><li>[ReadOnlySpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).ReadOnlySpan(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L74-#L83>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 218.07 ns | 178.16 ns | 0.82 | 0.00 | True | | |
|<ul><li>[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).Span(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L63-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 214.15 ns | 180.16 ns | 0.84 | 0.00 | True | | |
|<ul><li>[ImmutableArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateForEach(Int32).ImmutableArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L273-#L281>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 371.36 ns | 217.59 ns | 0.59 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/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;.Array(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.ReadOnlySpan(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.Span(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.ImmutableArray(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 | [7f6318495c0b1b0418055fc08c92df358cd7e58d](https://github.com/dotnet/runtime/commit/7f6318495c0b1b0418055fc08c92df358cd7e58d)
Compare | [d285c824a7b240a50c20bf61e0602f3239d76b8c](https://github.com/dotnet/runtime/commit/d285c824a7b240a50c20bf61e0602f3239d76b8c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7f6318495c0b1b0418055fc08c92df358cd7e58d...d285c824a7b240a50c20bf61e0602f3239d76b8c)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayCopyToByteArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L156-#L157>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 176.21 ns | 155.69 ns | 0.88 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_BitArray_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_25_2024/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_BitArray.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.Perf_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(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	7f6318495c0b1b0418055fc08c92df358cd7e58d
Compare	d285c824a7b240a50c20bf61e0602f3239d76b8c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	217.62 ns	194.28 ns	0.89	0.01	True
ReadOnlySpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.23 ns	178.16 ns	0.82	0.00	True
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	217.52 ns	177.58 ns	0.82	0.01	True
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.39 ns	178.17 ns	0.82	0.00	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	222.67 ns	195.90 ns	0.88	0.01	True
ReadOnlySpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	218.07 ns	178.16 ns	0.82	0.00	True
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	214.15 ns	180.16 ns	0.84	0.00	True
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	371.36 ns	217.59 ns	0.59	0.00	True

[Perf] Linux/arm64: 9 Improvements on 7/21/2024 1:40:36 PM #38911

Description

Run Information

Improvements in System.Collections.IterateFor<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateForEach<Int32>

Repro

System.Collections.IterateForEach<Int32>.Array(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.ReadOnlySpan(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.ImmutableArray(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Perf_BitArray

Repro

System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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