[Perf] Windows/x64: 3 Improvements on 3/4/2025 2:20:19 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [04538da4fc4dca4a5f1184708fe95a16dd947d17](https://github.com/dotnet/runtime/commit/04538da4fc4dca4a5f1184708fe95a16dd947d17)
Compare | [c6a398442db682b94d6eb75a638232ee40ed0e43](https://github.com/dotnet/runtime/commit/c6a398442db682b94d6eb75a638232ee40ed0e43)
Diff | [Diff](https://github.com/dotnet/runtime/compare/04538da4fc4dca4a5f1184708fe95a16dd947d17...c6a398442db682b94d6eb75a638232ee40ed0e43)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.CreateAddAndClear&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CreateAddAndClear(String).Span(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L41-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.80 μs | 1.69 μs | 0.94 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CreateAddAndClear%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CreateAddAndClear%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear&lt;String&gt;*'
```

<details>

### System.Collections.CreateAddAndClear&lt;String&gt;.Span(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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [04538da4fc4dca4a5f1184708fe95a16dd947d17](https://github.com/dotnet/runtime/commit/04538da4fc4dca4a5f1184708fe95a16dd947d17)
Compare | [c6a398442db682b94d6eb75a638232ee40ed0e43](https://github.com/dotnet/runtime/commit/c6a398442db682b94d6eb75a638232ee40ed0e43)
Diff | [Diff](https://github.com/dotnet/runtime/compare/04538da4fc4dca4a5f1184708fe95a16dd947d17...c6a398442db682b94d6eb75a638232ee40ed0e43)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Reflection.Attributes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetCustomAttributesMethodBaseHitInherit - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Reflection.Attributes.GetCustomAttributesMethodBaseHitInherit.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Attributes.cs#L71-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.07 μs | 992.61 ns | 0.93 | 0.03 | False | | |
|<ul><li>[GetCustomAttributesClassHit - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Reflection.Attributes.GetCustomAttributesClassHit.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Attributes.cs#L53-#L54>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.00 μs | 933.12 ns | 0.93 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Attributes_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Attributes_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Reflection.Attributes.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.Reflection.Attributes*'
```

<details>

### System.Reflection.Attributes.GetCustomAttributesMethodBaseHitInherit

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Attributes.GetCustomAttributesClassHit

#### 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/x64: 3 Improvements on 3/4/2025 2:20:19 AM +00:00 #51679

Run Information

Improvements in System.Collections.CreateAddAndClear<String>

Repro

System.Collections.CreateAddAndClear<String>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Reflection.Attributes

Repro

System.Reflection.Attributes.GetCustomAttributesMethodBaseHitInherit

ETL Files

Histogram

JIT Disasms

System.Reflection.Attributes.GetCustomAttributesClassHit

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

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Development

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	04538da4fc4dca4a5f1184708fe95a16dd947d17
Compare	c6a398442db682b94d6eb75a638232ee40ed0e43
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetCustomAttributesMethodBaseHitInherit - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.07 μs	992.61 ns	0.93	0.03	False
GetCustomAttributesClassHit - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.00 μs	933.12 ns	0.93	0.03	False

[Perf] Windows/x64: 3 Improvements on 3/4/2025 2:20:19 AM +00:00 #51679

Description

Run Information

Improvements in System.Collections.CreateAddAndClear<String>

Repro

System.Collections.CreateAddAndClear<String>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Reflection.Attributes

Repro

System.Reflection.Attributes.GetCustomAttributesMethodBaseHitInherit

ETL Files

Histogram

JIT Disasms

System.Reflection.Attributes.GetCustomAttributesClassHit

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions