[Perf] Linux/arm64: 67 Improvements on 1/9/2024 2:49:36 AM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [abffa8fd7c9a9eaaaba70ca8052d605b85918bd4](https://github.com/dotnet/runtime/commit/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4)
Compare | [44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3](https://github.com/dotnet/runtime/commit/44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4...44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.ReadOnlySequence

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Slice_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySequence.cs#L75-#L76>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.45 ns | 9.55 ns | 0.66 | 0.08 | False | | |
|<ul><li>[Slice_StartPosition_And_Length - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.ReadOnlySequence.Slice_StartPosition_And_Length(Segment%3a%20Multiple).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySequence.cs#L72-#L73>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.49 ns | 9.77 ns | 0.67 | 0.06 | False | | |
|<ul><li>[Slice_StartPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.ReadOnlySequence.Slice_StartPosition(Segment%3a%20Multiple).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySequence.cs#L60-#L61>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.35 ns | 9.66 ns | 0.67 | 0.29 | False | | |
|<ul><li>[Slice_Start_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment%3a%20Multiple).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySequence.cs#L69-#L70>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.98 ns | 10.05 ns | 0.67 | 0.26 | False | | |
|<ul><li>[Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySequence.cs#L89-#L98>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 68.33 ns | 42.80 ns | 0.63 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.ReadOnlySequence.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.Memory.ReadOnlySequence*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7f45eb6d-9a98-48b9-bf29-063b26f15ee4f76aa47de664551bc/4a3688a4-5975-4ff1-9f3b-23efb644ed5f.zip?sv=2021-08-06&se=2024-02-07T12%3A42%3A15Z&sr=c&sp=rl&sig=XSK2ZhdlP24SC9cHxdMA%2BnNAOPP0jijIor1rw%2F4L1YA%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-3f4438d2-509f-4e0f-b6d1-37edd29868da93f2935563742bf89/8937941d-5001-476d-b8c6-888b99a2c3c2.zip?sv=2021-08-06&se=2024-02-08T15%3A39%3A00Z&sr=c&sp=rl&sig=sjMwZ5fX2FGYCKoOfYGZZCfpQfOTaLTGrcXb76MNH3s%3D>)
### System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Multiple)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySequence.Slice_StartPosition_And_Length(Segment: Multiple)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySequence.Slice_StartPosition(Segment: Multiple)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment: Multiple)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple)

#### 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 20.04
Queue | AmpereUbuntu
Baseline | [abffa8fd7c9a9eaaaba70ca8052d605b85918bd4](https://github.com/dotnet/runtime/commit/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4)
Compare | [44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3](https://github.com/dotnet/runtime/commit/44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4...44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IFooObjIsDescendantOfIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L237-#L242>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 827.61 μs | 300.40 μs | 0.36 | 0.22 | False | | |
|<ul><li>[ObjObjIsFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.ObjObjIsFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L163-#L168>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 825.74 μs | 300.30 μs | 0.36 | 0.18 | False | | |
|<ul><li>[IFooObjIsIFooInterAlia - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L227-#L232>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 825.77 μs | 300.32 μs | 0.36 | 0.22 | False | | |
|<ul><li>[CheckArrayIsNonvariantGenericInterface - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterface.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L386-#L390>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.72 ns | 0.46 ns | 0.04 | 0.39 | False | | |
|<ul><li>[CheckListIsVariantGenericInterface - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.CheckListIsVariantGenericInterface.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L404-#L408>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.91 ns | 0.47 ns | 0.08 | 0.37 | False | | |
|<ul><li>[CheckArrayIsNonvariantGenericInterfaceNo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterfaceNo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L392-#L396>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.36 ns | 0.73 ns | 0.06 | 0.37 | False | | |
|<ul><li>[CheckArrayIsVariantGenericInterfaceNo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.CheckArrayIsVariantGenericInterfaceNo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L410-#L414>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.11 ns | 0.63 ns | 0.10 | 0.37 | False | | |
|<ul><li>[IFooObjIsIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.IFooObjIsIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L217-#L222>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 788.82 μs | 300.31 μs | 0.38 | 0.35 | False | | |
|<ul><li>[CheckArrayIsArrayByVariance - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.CheckArrayIsArrayByVariance.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L398-#L402>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.77 ns | 0.46 ns | 0.08 | 0.41 | False | | |
|<ul><li>[FooObjIsDescendant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/PerfLabTests.CastingPerf.FooObjIsDescendant.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L200-#L205>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 823.46 μs | 300.40 μs | 0.36 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_8.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_9.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.CastingPerf_10.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/PerfLabTests.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.CastingPerf*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7f45eb6d-9a98-48b9-bf29-063b26f15ee4f76aa47de664551bc/4a3688a4-5975-4ff1-9f3b-23efb644ed5f.zip?sv=2021-08-06&se=2024-02-07T12%3A42%3A15Z&sr=c&sp=rl&sig=XSK2ZhdlP24SC9cHxdMA%2BnNAOPP0jijIor1rw%2F4L1YA%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-3f4438d2-509f-4e0f-b6d1-37edd29868da93f2935563742bf89/8937941d-5001-476d-b8c6-888b99a2c3c2.zip?sv=2021-08-06&se=2024-02-08T15%3A39%3A00Z&sr=c&sp=rl&sig=sjMwZ5fX2FGYCKoOfYGZZCfpQfOTaLTGrcXb76MNH3s%3D>)
### PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.ObjObjIsFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterface

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.CheckListIsVariantGenericInterface

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterfaceNo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.CheckArrayIsVariantGenericInterfaceNo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooObjIsIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.CheckArrayIsArrayByVariance

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.FooObjIsDescendant

#### 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 20.04
Queue | AmpereUbuntu
Baseline | [abffa8fd7c9a9eaaaba70ca8052d605b85918bd4](https://github.com/dotnet/runtime/commit/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4)
Compare | [44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3](https://github.com/dotnet/runtime/commit/44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4...44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.SequenceReader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryReadTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.SequenceReader.TryReadTo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/SequenceReader.cs#L26-#L43>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 159.09 ns | 150.30 ns | 0.94 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.SequenceReader_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.SequenceReader.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.Memory.SequenceReader*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7f45eb6d-9a98-48b9-bf29-063b26f15ee4f76aa47de664551bc/4a3688a4-5975-4ff1-9f3b-23efb644ed5f.zip?sv=2021-08-06&se=2024-02-07T12%3A42%3A15Z&sr=c&sp=rl&sig=XSK2ZhdlP24SC9cHxdMA%2BnNAOPP0jijIor1rw%2F4L1YA%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-3f4438d2-509f-4e0f-b6d1-37edd29868da93f2935563742bf89/8937941d-5001-476d-b8c6-888b99a2c3c2.zip?sv=2021-08-06&se=2024-02-08T15%3A39%3A00Z&sr=c&sp=rl&sig=sjMwZ5fX2FGYCKoOfYGZZCfpQfOTaLTGrcXb76MNH3s%3D>)
### System.Memory.SequenceReader.TryReadTo

#### 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 20.04
Queue | AmpereUbuntu
Baseline | [abffa8fd7c9a9eaaaba70ca8052d605b85918bd4](https://github.com/dotnet/runtime/commit/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4)
Compare | [44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3](https://github.com/dotnet/runtime/commit/44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abffa8fd7c9a9eaaaba70ca8052d605b85918bd4...44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3)
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 20.04/System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L151-#L152>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.03 ns | 6.83 ns | 0.49 | 0.31 | False | | |
|<ul><li>[BitArrayCopyToBoolArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L162-#L163>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 20.96 ns | 8.08 ns | 0.39 | 0.34 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.Tests.Perf_BitArray_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.Tests.Perf_BitArray_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_11_2024/refs/heads/main_arm64_ubuntu%2020.04_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>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7f45eb6d-9a98-48b9-bf29-063b26f15ee4f76aa47de664551bc/4a3688a4-5975-4ff1-9f3b-23efb644ed5f.zip?sv=2021-08-06&se=2024-02-07T12%3A42%3A15Z&sr=c&sp=rl&sig=XSK2ZhdlP24SC9cHxdMA%2BnNAOPP0jijIor1rw%2F4L1YA%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-3f4438d2-509f-4e0f-b6d1-37edd29868da93f2935563742bf89/8937941d-5001-476d-b8c6-888b99a2c3c2.zip?sv=2021-08-06&se=2024-02-08T15%3A39%3A00Z&sr=c&sp=rl&sig=sjMwZ5fX2FGYCKoOfYGZZCfpQfOTaLTGrcXb76MNH3s%3D>)
### System.Collections.Tests.Perf_BitArray.BitArrayCopyToByteArray(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToBoolArray(Size: 4)

#### 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 20.04
Queue	AmpereUbuntu
Baseline	abffa8fd7c9a9eaaaba70ca8052d605b85918bd4
Compare	44fd111025edf69907e2a1fd1de8b2ebbbe1e6b3
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Slice_StartPosition_And_EndPosition - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.45 ns	9.55 ns	0.66	0.08	False
Slice_StartPosition_And_Length - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.49 ns	9.77 ns	0.67	0.06	False
Slice_StartPosition - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.35 ns	9.66 ns	0.67	0.29	False
Slice_Start_And_EndPosition - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.98 ns	10.05 ns	0.67	0.26	False
Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	68.33 ns	42.80 ns	0.63	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IFooObjIsDescendantOfIFoo - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	827.61 μs	300.40 μs	0.36	0.22	False
ObjObjIsFoo - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	825.74 μs	300.30 μs	0.36	0.18	False
IFooObjIsIFooInterAlia - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	825.77 μs	300.32 μs	0.36	0.22	False
CheckArrayIsNonvariantGenericInterface - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	10.72 ns	0.46 ns	0.04	0.39	False
CheckListIsVariantGenericInterface - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	5.91 ns	0.47 ns	0.08	0.37	False
CheckArrayIsNonvariantGenericInterfaceNo - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	12.36 ns	0.73 ns	0.06	0.37	False
CheckArrayIsVariantGenericInterfaceNo - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.11 ns	0.63 ns	0.10	0.37	False
IFooObjIsIFoo - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	788.82 μs	300.31 μs	0.38	0.35	False
CheckArrayIsArrayByVariance - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	5.77 ns	0.46 ns	0.08	0.41	False
FooObjIsDescendant - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	823.46 μs	300.40 μs	0.36	0.24	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BitArrayCopyToByteArray - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	14.03 ns	6.83 ns	0.49	0.31	False
BitArrayCopyToBoolArray - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	20.96 ns	8.08 ns	0.39	0.34	False

[Perf] Linux/arm64: 67 Improvements on 1/9/2024 2:49:36 AM #27131

Description

Run Information

Improvements in System.Memory.ReadOnlySequence

Repro

Payloads

System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Multiple)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySequence.Slice_StartPosition_And_Length(Segment: Multiple)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySequence.Slice_StartPosition(Segment: Multiple)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment: Multiple)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in PerfLabTests.CastingPerf

Repro

Payloads

PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.ObjObjIsFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterface

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.CheckListIsVariantGenericInterface

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterfaceNo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.CheckArrayIsVariantGenericInterfaceNo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooObjIsIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.CheckArrayIsArrayByVariance

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.FooObjIsDescendant

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.SequenceReader

Repro

Payloads

System.Memory.SequenceReader.TryReadTo

ETL Files

Histogram

JIT Disasms