[Perf] Linux/x64: 4 Improvements on 7/9/2024 1:59:56 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [13cf2649ad245ede1ed6e790079955db4c2fea54](https://github.com/dotnet/runtime/commit/13cf2649ad245ede1ed6e790079955db4c2fea54)
Compare | [5795e8c056c14741b80dfa304a974f5c0d72432a](https://github.com/dotnet/runtime/commit/5795e8c056c14741b80dfa304a974f5c0d72432a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/13cf2649ad245ede1ed6e790079955db4c2fea54...5795e8c056c14741b80dfa304a974f5c0d72432a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.ReadOnlyMemory&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Pin - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.ReadOnlyMemory(Char).Pin(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlyMemory.cs#L27-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.60 ns | 18.03 ns | 0.83 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Memory.ReadOnlyMemory%28Char%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Memory.ReadOnlyMemory%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.Memory.ReadOnlyMemory&lt;Char&gt;*'
```

<details>

### System.Memory.ReadOnlyMemory&lt;Char&gt;.Pin(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 | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [13cf2649ad245ede1ed6e790079955db4c2fea54](https://github.com/dotnet/runtime/commit/13cf2649ad245ede1ed6e790079955db4c2fea54)
Compare | [5795e8c056c14741b80dfa304a974f5c0d72432a](https://github.com/dotnet/runtime/commit/5795e8c056c14741b80dfa304a974f5c0d72432a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/13cf2649ad245ede1ed6e790079955db4c2fea54...5795e8c056c14741b80dfa304a974f5c0d72432a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateForEach&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IterateForEach(Int32).FrozenDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L377-#L385>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 913.98 ns | 611.71 ns | 0.67 | 0.02 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateForEach%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IterateForEach%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateForEach&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;Int32&gt;.FrozenDictionary(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 | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [90d4c7d41a3fb3390cdcca598fc34cc6b986c75e](https://github.com/dotnet/runtime/commit/90d4c7d41a3fb3390cdcca598fc34cc6b986c75e)
Compare | [5795e8c056c14741b80dfa304a974f5c0d72432a](https://github.com/dotnet/runtime/commit/5795e8c056c14741b80dfa304a974f5c0d72432a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/90d4c7d41a3fb3390cdcca598fc34cc6b986c75e...5795e8c056c14741b80dfa304a974f5c0d72432a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Memory&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Pin - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.Memory(Char).Pin(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Memory.cs#L27-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.51 ns | 19.39 ns | 0.90 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Memory.Memory%28Char%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Memory.Memory%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.Memory.Memory&lt;Char&gt;*'
```

<details>

### System.Memory.Memory&lt;Char&gt;.Pin(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 | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [13cf2649ad245ede1ed6e790079955db4c2fea54](https://github.com/dotnet/runtime/commit/13cf2649ad245ede1ed6e790079955db4c2fea54)
Compare | [5795e8c056c14741b80dfa304a974f5c0d72432a](https://github.com/dotnet/runtime/commit/5795e8c056c14741b80dfa304a974f5c0d72432a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/13cf2649ad245ede1ed6e790079955db4c2fea54...5795e8c056c14741b80dfa304a974f5c0d72432a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[DeserializeFromReader - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Serialization.Tests.ReadJson(Nullable(DateTimeOffset)).DeserializeFromReader(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/ReadJson.cs#L74-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 133.04 ns | 125.16 ns | 0.94 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Nullable%28DateTimeOffset%29%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_16_2024/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Nullable%28DateTimeOffset%29%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.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;.DeserializeFromReader(Mode: Reflection)

#### 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	ViperUbuntu
Baseline	13cf2649ad245ede1ed6e790079955db4c2fea54
Compare	5795e8c056c14741b80dfa304a974f5c0d72432a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/x64: 4 Improvements on 7/9/2024 1:59:56 PM #38375

Description

Run Information

Improvements in System.Memory.ReadOnlyMemory<Char>

Repro

System.Memory.ReadOnlyMemory<Char>.Pin(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateForEach<Int32>

Repro

System.Collections.IterateForEach<Int32>.FrozenDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Memory<Char>

Repro

System.Memory.Memory<Char>.Pin(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>

Repro

System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromReader(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

Docs

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