[Perf] Linux/arm64: 14 Improvements on 3/10/2025 1:58:41 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [d17420560540e4184a78f431de8341f747068c4f](https://github.com/dotnet/runtime/commit/d17420560540e4184a78f431de8341f747068c4f)
Compare | [cc803458ab4dabf020b462873be5bf56f1640b1e](https://github.com/dotnet/runtime/commit/cc803458ab4dabf020b462873be5bf56f1640b1e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d17420560540e4184a78f431de8341f747068c4f...cc803458ab4dabf020b462873be5bf56f1640b1e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Constructors&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MemoryFromArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).MemoryFromArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L67-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.74 ns | 0.14 ns | 0.04 | 0.31 | False | | |
|<ul><li>[ReadOnlyMemoryFromArrayStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).ReadOnlyMemoryFromArrayStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L76-#L77>)</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 ns | 0.24 ns | 0.08 | 0.25 | False | | |
|<ul><li>[ReadOnlyMemoryFromArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).ReadOnlyMemoryFromArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L70-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.73 ns | 0.21 ns | 0.06 | 0.31 | False | | |
|<ul><li>[MemoryFromArrayStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).MemoryFromArrayStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L73-#L74>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.79 ns | 0.24 ns | 0.08 | 0.23 | False | | |
|<ul><li>[ArrayAsMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).ArrayAsMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L85-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RQW7bMBC8G/AfWF9oo4olOSgauGVRxw1aIPAlNtozK60sFhRpLJeNhaR/79KSL7ksQXJmODO0QIIgkFDiq9z3gaBb7qDz2C+33gXCWJHH8Pm+J/iy3CDqfhMGgPw0nVim64YAmV9rAjIdzFfF6sNNUd6Ut4fibl2U69tyeVeuVkX58X1RrItiMTIRTp6JsvbkgHKMLvGvur9Ru6pN9whNyFvQdcg7bdwVUHnXmGN6uXe6M9X8RW59dzJWk/Fu52uQayHJAEItMyGfons0rk6HjEYv/yUj34F+mMAhTaXtN036l6E26Wg0gSuYp3pUGtkQVV1mdnGv0shGq2pYstGYGpbFdPIqTuj/QEViD2ggZOI+GlsfOOyedHfKxE9tI6gDP7L13ALgE4RoafMXUB9hOsnzV/HccpBRQbxjceIugpjNyD+cKxtrmM1EnouHM0taEL4RjbGsZdxR+MgfJcKFnAwhuJp/LfVdtRpJPHNqMR8A6mrzXHkbO6fe2u2H86AuvhlHhiwoyfUBN92P2x3oEBE6cCQX/wE4P2ADagIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 3.74 ns | 0.56 ns | 0.15 | 0.29 | False | | |
|<ul><li>[ArrayAsMemoryStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Constructors(Byte).ArrayAsMemoryStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Constructors.cs#L88-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.81 ns | 0.25 ns | 0.09 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28Byte%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.Memory.Constructors&lt;Byte&gt;*'
```

<details>

### System.Memory.Constructors&lt;Byte&gt;.MemoryFromArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;Byte&gt;.ReadOnlyMemoryFromArrayStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;Byte&gt;.ReadOnlyMemoryFromArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;Byte&gt;.MemoryFromArrayStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;Byte&gt;.ArrayAsMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;Byte&gt;.ArrayAsMemoryStartLength

#### 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 | [d17420560540e4184a78f431de8341f747068c4f](https://github.com/dotnet/runtime/commit/d17420560540e4184a78f431de8341f747068c4f)
Compare | [cc803458ab4dabf020b462873be5bf56f1640b1e](https://github.com/dotnet/runtime/commit/cc803458ab4dabf020b462873be5bf56f1640b1e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d17420560540e4184a78f431de8341f747068c4f...cc803458ab4dabf020b462873be5bf56f1640b1e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Slice&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadOnlyMemorySpanStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(Byte).ReadOnlyMemorySpanStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L278-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.82 ns | 3.56 ns | 0.74 | 0.00 | False | | |
|<ul><li>[MemorySpanStart - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(Byte).MemorySpanStart.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L227-#L242>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.33 ns | 3.85 ns | 0.72 | 0.00 | False | | |
|<ul><li>[ReadOnlyMemorySpanStart - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(Byte).ReadOnlyMemorySpanStart.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L261-#L276>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.28 ns | 3.85 ns | 0.73 | 0.00 | False | | |
|<ul><li>[MemorySpanStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(Byte).MemorySpanStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L244-#L259>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzYTRa0SKtha1esQJdLHWxnzaZjDbJkSPQaY+2/l4qdyy4kRPE9Pj4aJCAMBBK+iLwPhM1yh43z/TI3usDbu57w81jKW2VzUp5+oD1QLW6mE8N4VRF6JigVIekG56tstbnILi8u1/vseputtptsud58ulpfX33Msm2WLUakx9YxUJSOLFLqOxvxZ97fXtmijv8eq5DWqMqQNkrbc0PhbKUPcXJvVaOL+T9x75pWG0Xa2Z0rUWxBkEaPpUhAPHf2SdsyFrnbO/EWhXxHetSBnNeFMt8UqV+a6sijvA7Ohnn0R8aQDKvKU0xO6mUMyShVDikZhckhLaaTV2i9+4MFQY5eY0jgrtOm3POy7GfTJvBTmQ7lnofcO3YB/TOGztDXv+jVAaeTNH2Fl5oXGRngA5MTexFgNiP3cCxMV+JsBmkKD0emNAiugkob5tL2AK7jQ0E4gaMgj7bkq0W/i5pPCi+8NcyHBnmWeSyc6Ror/5fbD/UgT7q5jzQZlILtQ3a6H587VKHz2KAlsXgHE9Fg2msCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 4.91 ns | 3.55 ns | 0.72 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28Byte%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28Byte%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28Byte%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.Memory.Slice&lt;Byte&gt;*'
```

<details>

### System.Memory.Slice&lt;Byte&gt;.ReadOnlyMemorySpanStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;Byte&gt;.MemorySpanStart

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;Byte&gt;.ReadOnlyMemorySpanStart

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;Byte&gt;.MemorySpanStartLength

#### 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 | [d17420560540e4184a78f431de8341f747068c4f](https://github.com/dotnet/runtime/commit/d17420560540e4184a78f431de8341f747068c4f)
Compare | [cc803458ab4dabf020b462873be5bf56f1640b1e](https://github.com/dotnet/runtime/commit/cc803458ab4dabf020b462873be5bf56f1640b1e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d17420560540e4184a78f431de8341f747068c4f...cc803458ab4dabf020b462873be5bf56f1640b1e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Slice&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadOnlyMemorySpanStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(String).ReadOnlyMemorySpanStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L278-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.82 ns | 3.64 ns | 0.76 | 0.01 | False | | |
|<ul><li>[MemorySpanStart - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(String).MemorySpanStart.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L227-#L242>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.75 ns | 3.89 ns | 0.68 | 0.00 | False | | |
|<ul><li>[ReadOnlyMemorySpanStart - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(String).ReadOnlyMemorySpanStart.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L261-#L276>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.46 ns | 3.91 ns | 0.72 | 0.02 | False | | |
|<ul><li>[MemorySpanStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.Slice(String).MemorySpanStartLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Slice.cs#L244-#L259>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.99 ns | 3.66 ns | 0.73 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28String%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28String%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%28String%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_13_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.Slice%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.Memory.Slice&lt;String&gt;*'
```

<details>

### System.Memory.Slice&lt;String&gt;.ReadOnlyMemorySpanStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;String&gt;.MemorySpanStart

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;String&gt;.ReadOnlyMemorySpanStart

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Slice&lt;String&gt;.MemorySpanStartLength

#### 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	d17420560540e4184a78f431de8341f747068c4f
Compare	cc803458ab4dabf020b462873be5bf56f1640b1e
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
MemoryFromArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.74 ns	0.14 ns	0.04	0.31	False
ReadOnlyMemoryFromArrayStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.86 ns	0.24 ns	0.08	0.25	False
ReadOnlyMemoryFromArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.73 ns	0.21 ns	0.06	0.31	False
MemoryFromArrayStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.79 ns	0.24 ns	0.08	0.23	False
ArrayAsMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.74 ns	0.56 ns	0.15	0.29	False
ArrayAsMemoryStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.81 ns	0.25 ns	0.09	0.22	False

Benchmark	Baseline	Test	Test/Base	Edge Detector
ReadOnlyMemorySpanStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.82 ns	3.56 ns	0.74	False
MemorySpanStart - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.33 ns	3.85 ns	0.72	False
ReadOnlyMemorySpanStart - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.28 ns	3.85 ns	0.73	False
MemorySpanStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.91 ns	3.55 ns	0.72	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadOnlyMemorySpanStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.82 ns	3.64 ns	0.76	0.01	False
MemorySpanStart - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.75 ns	3.89 ns	0.68	0.00	False
ReadOnlyMemorySpanStart - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.46 ns	3.91 ns	0.72	0.02	False
MemorySpanStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.99 ns	3.66 ns	0.73	0.02	False

[Perf] Linux/arm64: 14 Improvements on 3/10/2025 1:58:41 PM +00:00 #51869

Description

Run Information

Improvements in System.Memory.Constructors<Byte>

Repro

System.Memory.Constructors<Byte>.MemoryFromArray

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<Byte>.ReadOnlyMemoryFromArrayStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<Byte>.ReadOnlyMemoryFromArray

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<Byte>.MemoryFromArrayStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<Byte>.ArrayAsMemory

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<Byte>.ArrayAsMemoryStartLength

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Slice<Byte>

Repro

System.Memory.Slice<Byte>.ReadOnlyMemorySpanStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<Byte>.MemorySpanStart

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<Byte>.ReadOnlyMemorySpanStart

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<Byte>.MemorySpanStartLength

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Slice<String>

Repro

System.Memory.Slice<String>.ReadOnlyMemorySpanStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<String>.MemorySpanStart

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<String>.ReadOnlyMemorySpanStart

ETL Files

Histogram

JIT Disasms

System.Memory.Slice<String>.MemorySpanStartLength

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions