[Perf] Windows/arm64: 2 Improvements on 5/17/2025 2:08:12 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [b8752af999a212847b43034e7ef44cf6292b98c3](https://github.com/dotnet/runtime/commit/b8752af999a212847b43034e7ef44cf6292b98c3)
Compare | [058b1efa4633a21aa2a9ea787fba84a805f5e11f](https://github.com/dotnet/runtime/commit/058b1efa4633a21aa2a9ea787fba84a805f5e11f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b8752af999a212847b43034e7ef44cf6292b98c3...058b1efa4633a21aa2a9ea787fba84a805f5e11f)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.ContainsFalse(Int32).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L97-#L106>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 356.61 μs | 338.51 μs | 0.95 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.ContainsFalse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.ContainsFalse%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsFalse&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;Int32&gt;.LinkedList(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 | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [98b09ef366995e7f837e310ff70a1d496075a66b](https://github.com/dotnet/runtime/commit/98b09ef366995e7f837e310ff70a1d496075a66b)
Compare | [130f8c044f2480c03c8ac5a60588753f18ba1467](https://github.com/dotnet/runtime/commit/130f8c044f2480c03c8ac5a60588753f18ba1467)
Diff | [Diff](https://github.com/dotnet/runtime/compare/98b09ef366995e7f837e310ff70a1d496075a66b...130f8c044f2480c03c8ac5a60588753f18ba1467)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IterateForEachTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateForEachTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L131-#L133>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 42.86 ns | 40.18 ns | 0.94 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateForEachTenSegments

#### 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] Windows/arm64: 2 Improvements on 5/17/2025 2:08:12 AM +00:00 #55966

Run Information

Improvements in System.Collections.ContainsFalse<Int32>

Repro

System.Collections.ContainsFalse<Int32>.LinkedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateForEachTenSegments

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	arm64
OS	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	b8752af999a212847b43034e7ef44cf6292b98c3
Compare	058b1efa4633a21aa2a9ea787fba84a805f5e11f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Uh oh!

[Perf] Windows/arm64: 2 Improvements on 5/17/2025 2:08:12 AM +00:00 #55966

Description

Run Information

Improvements in System.Collections.ContainsFalse<Int32>

Repro

System.Collections.ContainsFalse<Int32>.LinkedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateForEachTenSegments

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions