[Perf] Linux/x64: 11 Improvements on 3/9/2025 5:47:55 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [7eb07dde40933cace91d57aae0a3e569fd042def](https://github.com/dotnet/runtime/commit/7eb07dde40933cace91d57aae0a3e569fd042def)
Compare | [c8f32e59fc505f54f3ef12377eedfb711a18c450](https://github.com/dotnet/runtime/commit/c8f32e59fc505f54f3ef12377eedfb711a18c450)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7eb07dde40933cace91d57aae0a3e569fd042def...c8f32e59fc505f54f3ef12377eedfb711a18c450)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Constructors&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MemoryFromArrayStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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> | 3.92 ns | 1.45 ns | 0.37 | 0.04 | False | | |
|<ul><li>[ReadOnlyMemoryFromArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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> | 3.26 ns | 0.22 ns | 0.07 | 0.00 | False | | |
|<ul><li>[MemoryFromArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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> | 4.12 ns | 1.44 ns | 0.35 | 0.04 | False | | |
|<ul><li>[ArrayAsMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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=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>)</li></ul> | 3.97 ns | 2.03 ns | 0.51 | 0.16 | False | | |
|<ul><li>[ArrayAsMemoryStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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> | 4.13 ns | 2.02 ns | 0.49 | 0.09 | False | | |
|<ul><li>[ReadOnlyMemoryFromArrayStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Constructors(String).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> | 3.44 ns | 0.76 ns | 0.22 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%28String%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Memory.Constructors%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.Constructors&lt;String&gt;*'
```

<details>

### System.Memory.Constructors&lt;String&gt;.MemoryFromArrayStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;String&gt;.ReadOnlyMemoryFromArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;String&gt;.MemoryFromArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;String&gt;.ArrayAsMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;String&gt;.ArrayAsMemoryStartLength

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Constructors&lt;String&gt;.ReadOnlyMemoryFromArrayStartLength

#### 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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [7eb07dde40933cace91d57aae0a3e569fd042def](https://github.com/dotnet/runtime/commit/7eb07dde40933cace91d57aae0a3e569fd042def)
Compare | [c8f32e59fc505f54f3ef12377eedfb711a18c450](https://github.com/dotnet/runtime/commit/c8f32e59fc505f54f3ef12377eedfb711a18c450)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7eb07dde40933cace91d57aae0a3e569fd042def...c8f32e59fc505f54f3ef12377eedfb711a18c450)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Channels.Tests.UnboundedChannelPerfTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteAsyncThenReadAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Threading.Channels.Tests.UnboundedChannelPerfTests.WriteAsyncThenReadAsync.html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 45.54 ns | 41.45 ns | 0.91 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Threading.Channels.Tests.UnboundedChannelPerfTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Threading.Channels.Tests.UnboundedChannelPerfTests.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.Threading.Channels.Tests.UnboundedChannelPerfTests*'
```

<details>

### System.Threading.Channels.Tests.UnboundedChannelPerfTests.WriteAsyncThenReadAsync

#### 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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [7eb07dde40933cace91d57aae0a3e569fd042def](https://github.com/dotnet/runtime/commit/7eb07dde40933cace91d57aae0a3e569fd042def)
Compare | [c8f32e59fc505f54f3ef12377eedfb711a18c450](https://github.com/dotnet/runtime/commit/c8f32e59fc505f54f3ef12377eedfb711a18c450)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7eb07dde40933cace91d57aae0a3e569fd042def...c8f32e59fc505f54f3ef12377eedfb711a18c450)
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>[FirstMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L101-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.08 ns | 4.66 ns | 0.58 | 0.03 | False | | |
|<ul><li>[FirstArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.82 ns | 4.37 ns | 0.56 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstArray

#### 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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [7eb07dde40933cace91d57aae0a3e569fd042def](https://github.com/dotnet/runtime/commit/7eb07dde40933cace91d57aae0a3e569fd042def)
Compare | [c8f32e59fc505f54f3ef12377eedfb711a18c450](https://github.com/dotnet/runtime/commit/c8f32e59fc505f54f3ef12377eedfb711a18c450)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7eb07dde40933cace91d57aae0a3e569fd042def...c8f32e59fc505f54f3ef12377eedfb711a18c450)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FirstMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).FirstMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L101-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RwY7TMBCG75X6DkMvbkU2SVelLAUj6LKAhCqktoKzcSaNkWMXe8w2Ynl37CS9cJmRxzO/v/mtkYDQE3B4xw6dJ2zzbahrdD4/xrrP9yiqr0Z3B/wV0Ejsq2+2HeHb/KNynnbYWtex19OJjmKiJnRRrRKEpFqc35a3L27K5c1yeSzvNuV6s1rl65d3r9br1fOy3JTlYpx0eLZxkFWWDFLhgknzV90fThjZpHuHtS+aSOWLVihzbZDW1OqUXu6MaJWc/2H3tj0rLUhZs7MVsg0wUuiwYhmwfTBflKlSMXY7y/4mkE9In5Un65QU+oMg8V1Rk3SEU94aP09m8RSyYVXex6yn5ylkIyofUjaC8SEtppMnODv7EyXBAZ1Cn8E2KF0d47IHEu05g29CB+TJ6HsbXUC3Rx80vf+NTpxwOimKJ3hs4iKjAjyL4hS98DCbkX24SB0qnM2gKODhEiU1gq2hVjpqKXMCG+JHge+HE5BDU8VfS37LRjiCx7g1zIcGfsW8SKtDa/j/uN1Q97znjn2kSCNn0T6MTnfjcYfCB4ctGmKLf8w9cIl4AgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 8.07 ns | 4.80 ns | 0.59 | 0.01 | False | | |
|<ul><li>[FirstArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).FirstArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.66 ns | 4.20 ns | 0.55 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%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.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstArray

#### 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	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	7eb07dde40933cace91d57aae0a3e569fd042def
Compare	c8f32e59fc505f54f3ef12377eedfb711a18c450
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
MemoryFromArrayStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.92 ns	1.45 ns	0.37	0.04	False
ReadOnlyMemoryFromArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.26 ns	0.22 ns	0.07	0.00	False
MemoryFromArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.12 ns	1.44 ns	0.35	0.04	False
ArrayAsMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.97 ns	2.03 ns	0.51	0.16	False
ArrayAsMemoryStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.13 ns	2.02 ns	0.49	0.09	False
ReadOnlyMemoryFromArrayStartLength - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.44 ns	0.76 ns	0.22	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FirstMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.08 ns	4.66 ns	0.58	0.03	False
FirstArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.82 ns	4.37 ns	0.56	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FirstMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.07 ns	4.80 ns	0.59	0.01	False
FirstArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.66 ns	4.20 ns	0.55	0.01	False

[Perf] Linux/x64: 11 Improvements on 3/9/2025 5:47:55 AM +00:00 #51670

Description

Run Information

Improvements in System.Memory.Constructors<String>

Repro

System.Memory.Constructors<String>.MemoryFromArrayStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<String>.ReadOnlyMemoryFromArray

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<String>.MemoryFromArray

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<String>.ArrayAsMemory

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<String>.ArrayAsMemoryStartLength

ETL Files

Histogram

JIT Disasms

System.Memory.Constructors<String>.ReadOnlyMemoryFromArrayStartLength

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Threading.Channels.Tests.UnboundedChannelPerfTests

Repro

System.Threading.Channels.Tests.UnboundedChannelPerfTests.WriteAsyncThenReadAsync

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstMemory

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstArray

ETL Files

Histogram

JIT Disasms

Docs

Metadata

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