[Perf] Linux/arm64: 2 Regressions on 3/26/2024 8:36:13 PM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [78a895ffee8ee5de89fb0a50b729de5ec733478b](https://github.com/dotnet/runtime/commit/78a895ffee8ee5de89fb0a50b729de5ec733478b)
Compare | [788f5726850d5bd85141f821f5329cb6e5a80a18](https://github.com/dotnet/runtime/commit/788f5726850d5bd85141f821f5329cb6e5a80a18)
Diff | [Diff](https://github.com/dotnet/runtime/compare/78a895ffee8ee5de89fb0a50b729de5ec733478b...788f5726850d5bd85141f821f5329cb6e5a80a18)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IterateFor(String).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L86-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXW/TQBB8R+I/3NvZ4CaOm6YQ4Yo0tBBoUEjyhhC62Fv70H1Ye+c2rhC/nTsnCk0rIb9Yt+uZ2bn1rufATI0gQVnz4je5LwGBXNZc5EuoNElTQnNtFdg+1spyCfQYdYlMZWWLQ7g1/RJYbvqScfUEOMGs5BYy66oRrkhAt6MhjQhlKN0hPKDXYOxXJsFrvqerxliQvakWwnG5VqY3s4DMwrXGdyuLXBUXvdkNNzZY8QcYk7NBEv6rvazVVKtbXtSO4+nf6VTLios2musc6A+S/iHUcgfP6cv/MV3qC1f5niF5hvoRgRuQlW2CZ8SJtmEH2EybG3En2251wX82V6rgCrpgvXAX3Fwr3dGuh86U+xYVgnt2oSwKvW6qToYXZWN4xsQCtdQ+05X4qdkgzz8KvWGCP7S5LrRlsuxa4WpbAbpNUO2YHg/uVLstAVzran86XoK1o60skxW5ILmbYb9QQRInw5M4OYmH6/h8PByNzwa9wZu356Pk9HUcj+PYlzC1lAzdgBOGxU/JtkEr6B1E5FVINs2TCtFhkSI/yt9qqMHpVKh/uUV6Bl6CqYVN0bnOg0c32eUnd27lCqd0GkaklfLC6TVyULloDhnfrDbwltG9AyT+jlnJ0JJ7bksSGNc8MOmBE5FtpkUtVfrUU7PLm3RnwgEttwJS+sG1zv06mn3oKSRQJvQ5UwluU7YFE/4FoVAWl9wEAAA=>)</li></ul> | 2.07 μs | 2.46 μs | 1.19 | 0.02 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_04_2024/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Collections.IterateFor%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_04_2024/refs/heads/main_arm64_ubuntu%2022.04_Regression/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;.IList(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 | [78a895ffee8ee5de89fb0a50b729de5ec733478b](https://github.com/dotnet/runtime/commit/78a895ffee8ee5de89fb0a50b729de5ec733478b)
Compare | [788f5726850d5bd85141f821f5329cb6e5a80a18](https://github.com/dotnet/runtime/commit/788f5726850d5bd85141f821f5329cb6e5a80a18)
Diff | [Diff](https://github.com/dotnet/runtime/compare/78a895ffee8ee5de89fb0a50b729de5ec733478b...788f5726850d5bd85141f821f5329cb6e5a80a18)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.IndexerSet(String).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L67-#L69>)</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 | 3.19 μs | 1.12 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_04_2024/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Collections.IndexerSet%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_04_2024/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Collections.IndexerSet%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.IndexerSet&lt;String&gt;*'
```

<details>

### System.Collections.IndexerSet&lt;String&gt;.IList(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>

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[Perf] Linux/arm64: 2 Regressions on 3/26/2024 8:36:13 PM #32317

Run Information

Regressions in System.Collections.IterateFor<String>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IndexerSet<String>

Repro

System.Collections.IndexerSet<String>.IList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	78a895ffee8ee5de89fb0a50b729de5ec733478b
Compare	788f5726850d5bd85141f821f5329cb6e5a80a18
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/arm64: 2 Regressions on 3/26/2024 8:36:13 PM #32317

Description

Run Information

Regressions in System.Collections.IterateFor<String>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IndexerSet<String>

Repro

System.Collections.IndexerSet<String>.IList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions