[Perf] Windows/x64: 7 Improvements on 1/30/2025 8:36:04 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MeasureReverseEndianness - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/BinaryReadAndWriteTests.cs#L184-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 544.86 ns | 410.05 ns | 0.75 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Buffers.Binary.Tests.BinaryReadAndWriteTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.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.Binary.Tests.BinaryReadAndWriteTests*'
```

<details>

### System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Struct.GSeq

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FilterSkipMapSum - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/Struct.GSeq.FilterSkipMapSum.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Struct/GSeq.cs#L24-#L39>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzYTQNszSBgW9d1wJBLHWxnzaZjbbLkSdSaoN2/j7Kdyy4kRD0+Pj4aJCAMBBLei5J8rGj9UOLv9WdtCH35S/d71ZexE+/mM8Ng1XCZ0bUiJN3hclNstlfXm6tieyje7m5ud5ub9RsuXm9vXxfFrihWU6fH3nGjqB1ZpNxHm/ovvD+8slWb/j02IW9R1SHvlLYXQOVso49p8tmqTlfLZ3Hnul4bRdrZvatR7ECQRo+1yEA8RvtV2zoVGe2d+JuEPCB90YGc15UynxSp75raxKO8Ds6GZTJDppCNq8ohZoN6mUI2SZVjyiZhckyr+ewFeu9+YkVQotcYMvgYtakPvGxJqusz+KZMRHngIXeOXUD/iCEa+vAHvTrifJbnL/DU8iITA7xicmIvAiwW5O5PlYk1LhaQ53B/YkqD4BpohpNpewQX+VAQhuYkyKOt+WrJ76pVnuCJt4blCJAXmafKmdhZ+b/c81gPctDNONJkUAq2D9np8/TcowrRY4eWxOofiaouFFgCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 7.95 μs | 6.84 μs | 0.86 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Struct.GSeq_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Struct.GSeq.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 'Struct.GSeq*'
```

<details>

### Struct.GSeq.FilterSkipMapSum

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.BenchI.BenchE

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/Benchstone.BenchI.BenchE.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/BenchE.cs#L70-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 293.40 ms | 226.24 ms | 0.77 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Benchstone.BenchI.BenchE_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Benchstone.BenchI.BenchE.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 'Benchstone.BenchI.BenchE*'
```

<details>

### Benchstone.BenchI.BenchE.Test

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexerCheckLengthHoisting - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Tests.Perf_String.IndexerCheckLengthHoisting.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L267-#L279>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 38.57 ns | 23.57 ns | 0.61 | 0.02 | False | | |
|<ul><li>[IndexerCheckBoundCheckHoist - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Tests.Perf_String.IndexerCheckBoundCheckHoist.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L251-#L265>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 38.56 ns | 23.71 ns | 0.61 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Tests.Perf_String_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Tests.Perf_String_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Tests.Perf_String.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.Tests.Perf_String*'
```

<details>

### System.Tests.Perf_String.IndexerCheckLengthHoisting

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.IndexerCheckBoundCheckHoist

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Loops.StrengthReduction

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SumS16Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/Loops.StrengthReduction.SumS16Span.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Loops/StrengthReduction.cs#L383-#L387>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.43 μs | 4.29 μs | 0.79 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Loops.StrengthReduction_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Loops.StrengthReduction.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 'Loops.StrengthReduction*'
```

<details>

### Loops.StrengthReduction.SumS16Span

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [f3d90b2f622691253225ddcd61b8ae8a087955ae](https://github.com/dotnet/runtime/commit/f3d90b2f622691253225ddcd61b8ae8a087955ae)
Compare | [7afd807da79b99c2d1b4b2e03b5e147836178fe2](https://github.com/dotnet/runtime/commit/7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f3d90b2f622691253225ddcd61b8ae8a087955ae...7afd807da79b99c2d1b4b2e03b5e147836178fe2)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CoveredIndex3 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/Span.IndexerBench.CoveredIndex3(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L449-#L451>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 844.47 ns | 719.78 ns | 0.85 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Span.IndexerBench_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/Span.IndexerBench.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 'Span.IndexerBench*'
```

<details>

### Span.IndexerBench.CoveredIndex3(length: 1024)

#### 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	Windows 10.0.22631
Queue	ViperWindows
Baseline	f3d90b2f622691253225ddcd61b8ae8a087955ae
Compare	7afd807da79b99c2d1b4b2e03b5e147836178fe2
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexerCheckLengthHoisting - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	38.57 ns	23.57 ns	0.61	0.02	False
IndexerCheckBoundCheckHoist - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	38.56 ns	23.71 ns	0.61	0.02	False

[Perf] Windows/x64: 7 Improvements on 1/30/2025 8:36:04 AM +00:00 #49482

Description

Run Information

Improvements in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Repro

System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Struct.GSeq

Repro

Struct.GSeq.FilterSkipMapSum

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Benchstone.BenchI.BenchE

Repro

Benchstone.BenchI.BenchE.Test

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_String

Repro

System.Tests.Perf_String.IndexerCheckLengthHoisting

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.IndexerCheckBoundCheckHoist

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Loops.StrengthReduction

Repro

Loops.StrengthReduction.SumS16Span

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Span.IndexerBench

Repro

Span.IndexerBench.CoveredIndex3(length: 1024)

ETL Files

Histogram

JIT Disasms

Docs

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