[Perf] Windows/arm64: 11 Improvements on 6/4/2025 4:11:30 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [2d5a2ee09518e3afad75ea9bc40df0a548bcfa36](https://github.com/dotnet/runtime/commit/2d5a2ee09518e3afad75ea9bc40df0a548bcfa36)
Compare | [3427e5fe067db2656d2e59d5d6957bbd98adb9b6](https://github.com/dotnet/runtime/commit/3427e5fe067db2656d2e59d5d6957bbd98adb9b6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2d5a2ee09518e3afad75ea9bc40df0a548bcfa36...3427e5fe067db2656d2e59d5d6957bbd98adb9b6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FormatterUInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L40-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1Ry27bMBC8G/A/bH2hjSqWotRJo4JAmzR9oMgldtozK60sFhRpkMvERtN/79KSe+hlFtzHcHbWIAFhIJDwXqwPgbBf3sS2RR+WG9wTQ6CwfKT27Sfne0WEfkj9ez5+tXRRzp+UiVhBsRDvphPDtKrlIvM2ipB0j/OyKFdnxZuz83JTXFfldXVxtVxdnl9drorXRVEVxWKc9LhzPCgaRxYp99Gm+RPvT69s3aW6xzbkHaom5L3S9tRQO9vqbfr5YFWv6/lvcev6nTaKtLP3rkFRgSCNHhuRgXiI9pu2TUpyt3fiTxLyGemLDuS8rpX5qEj90NQlHuV1cDbMk20yQTasKo+YHdXLBNkoVQ4hG4XJISymkxfYefcLa4I1eo0hg5uoTbPhZdek+l0G35OpMhl+69gF9A8YoqEPT+jVFqeTPH+B544XGRngFZMTexFgNiN3t69NbHA2gzyHuz1TGgTXQqsNc2m7BRf5UBCOw0mQR9vw1ZLfdac8wTNvDfOhQZ5k7mtnYm/l/3IPQz7Io27uI00GpWD7kJ0+jM97VCF67NGSWPwFb24Yd4ICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 7.12 ns | 5.50 ns | 0.77 | 0.31 | False | | |
|<ul><li>[FormatterInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value%3a%2012345).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L19-#L22>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1R32/TMBB+r9T/4eiLU5E1WWjLFmQJNjZAaC9rgWeTXBojx67sy9aK8b9zblIekKw73a/P331nkIAwEEh4LzbHQNgtbvqmQR8WWzwQm0Bh8Y2aq3vnO0WEfkj9C79YWi+TJ2V6LOGyeLNczcW76cQwsmq4ztC1IiTdYVLkxeoiX15cFtv8uiyuy+XbxXp9xW/1Os/LPJ+Pkx73jgdF7cgiZb63cf6M+9MrW7Wx7rEJWYuqDlmntD03VM42ehd/PlrV6Sr5LW5dt9dGkXb2wdUoShCk0WMtUhCPvf2qbR2T3O2d+BOJfEL6rAM5rytlPipSPzS1EUd5HZwNSVRORpMOq8qTTU/sZTTpSFUOLh2JycHNp5MX2Hv3CyuCDXqNIYWbXpt6y8tuSHX7FL5HYWXU/NaxCugfMfSGPjyhVzucTrLsBZ5bXmREgFcMTqxFgNmM3N2hMn2NsxlkGdwdGNIguAYabRhL2x24ng8F4TQcCXm0NV8t6l21yhM889aQDA3yTPNQOdN3Vv5P9zjkgzzx5j7SZFAKlg9Z6eMYPqAKvccOLYn5X4ThaX+FAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 8.42 ns | 7.26 ns | 0.86 | 0.00 | False | | |
|<ul><li>[FormatterInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value%3a%20-9223372036854775808).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L19-#L22>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 29.72 ns | 27.37 ns | 0.92 | 0.00 | False | | |
|<ul><li>[FormatterDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value%3a%201.7976931348623157E%2b308).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L53-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 253.97 ns | 233.94 ns | 0.92 | 0.00 | False | | |
|<ul><li>[FormatterDateTimeOffsetNow - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDateTimeOffsetNow(value%3a%2012%2f30%2f2017%203%3a45%3a22%20AM%20-08%3a00).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L59-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 30.01 ns | 27.93 ns | 0.93 | 0.03 | False | | |
|<ul><li>[FormatterDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value%3a%2012345).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L53-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 125.42 ns | 101.61 ns | 0.81 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests.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.Text.Tests.Utf8FormatterTests*'
```

<details>

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value: 0)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 12345)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 1.7976931348623157E+308)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDateTimeOffsetNow(value: 12/30/2017 3:45:22 AM -08:00)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 12345)

#### 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 | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [8091e6036b0d7bb0958e546e17238096108850ec](https://github.com/dotnet/runtime/commit/8091e6036b0d7bb0958e546e17238096108850ec)
Compare | [088856ed43c59d3be0abaa2b8dbff6ef7a917ffd](https://github.com/dotnet/runtime/commit/088856ed43c59d3be0abaa2b8dbff6ef7a917ffd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8091e6036b0d7bb0958e546e17238096108850ec...088856ed43c59d3be0abaa2b8dbff6ef7a917ffd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_True_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%2010%2c%20ItemsPerBucket%3a%205).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 138.62 ns | 127.56 ns | 0.92 | 0.04 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%20100%2c%20ItemsPerBucket%3a%205).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.43 μs | 1.33 μs | 0.93 | 0.03 | False | | |
|<ul><li>[ToFrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Perf_LengthBucketsFrozenDictionary.ToFrozenDictionary(Count%3a%2010%2c%20ItemsPerBucket%3a%205).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 355.67 ns | 326.63 ns | 0.92 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary.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.Perf_LengthBucketsFrozenDictionary*'
```

<details>

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10, ItemsPerBucket: 5)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_LengthBucketsFrozenDictionary.ToFrozenDictionary(Count: 10, ItemsPerBucket: 5)

#### 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 | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [a2c9e7bda0f2edce496c437d2063deb1060caa4a](https://github.com/dotnet/runtime/commit/a2c9e7bda0f2edce496c437d2063deb1060caa4a)
Compare | [76d722411f2b2ae197ba1efe37759ae03b90f59f](https://github.com/dotnet/runtime/commit/76d722411f2b2ae197ba1efe37759ae03b90f59f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a2c9e7bda0f2edce496c437d2063deb1060caa4a...76d722411f2b2ae197ba1efe37759ae03b90f59f)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in MicroBenchmarks.Serializers.Xml_FromStream&lt;IndexViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[DataContractSerializer_ - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/MicroBenchmarks.Serializers.Xml_FromStream(IndexViewModel).DataContractSerializer_.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/Serializers/Xml_FromStream.cs#L60-#L66>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 169.70 μs | 154.37 μs | 0.91 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/MicroBenchmarks.Serializers.Xml_FromStream%28IndexViewModel%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/MicroBenchmarks.Serializers.Xml_FromStream%28IndexViewModel%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 'MicroBenchmarks.Serializers.Xml_FromStream&lt;IndexViewModel&gt;*'
```

<details>

### MicroBenchmarks.Serializers.Xml_FromStream&lt;IndexViewModel&gt;.DataContractSerializer_

#### 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 | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [8091e6036b0d7bb0958e546e17238096108850ec](https://github.com/dotnet/runtime/commit/8091e6036b0d7bb0958e546e17238096108850ec)
Compare | [088856ed43c59d3be0abaa2b8dbff6ef7a917ffd](https://github.com/dotnet/runtime/commit/088856ed43c59d3be0abaa2b8dbff6ef7a917ffd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8091e6036b0d7bb0958e546e17238096108850ec...088856ed43c59d3be0abaa2b8dbff6ef7a917ffd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Globalization.Tests.StringSearch

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LastIndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options%3a%20(en-US%2c%20OrdinalIgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 874.22 ns | 807.11 ns | 0.92 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Globalization.Tests.StringSearch_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_12_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Globalization.Tests.StringSearch.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.Globalization.Tests.StringSearch*'
```

<details>

### System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, OrdinalIgnoreCase, False))

#### 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	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	2d5a2ee09518e3afad75ea9bc40df0a548bcfa36
Compare	3427e5fe067db2656d2e59d5d6957bbd98adb9b6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
FormatterUInt32 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.12 ns	5.50 ns	0.77	0.31	False
FormatterInt64 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.42 ns	7.26 ns	0.86	0.00	False
FormatterInt64 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	29.72 ns	27.37 ns	0.92	0.00	False
FormatterDouble - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	253.97 ns	233.94 ns	0.92	0.00	False
FormatterDateTimeOffsetNow - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.01 ns	27.93 ns	0.93	0.03	False
FormatterDouble - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	125.42 ns	101.61 ns	0.81	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	138.62 ns	127.56 ns	0.92	0.04	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.43 μs	1.33 μs	0.93	0.03	False
ToFrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	355.67 ns	326.63 ns	0.92	0.08	False

[Perf] Windows/arm64: 11 Improvements on 6/4/2025 4:11:30 PM +00:00 #57547

Description

Run Information

Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Repro

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt32(value: 0)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 12345)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 1.7976931348623157E+308)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDateTimeOffsetNow(value: 12/30/2017 3:45:22 AM -08:00)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: 12345)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Perf_LengthBucketsFrozenDictionary

Repro

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_LengthBucketsFrozenDictionary.ToFrozenDictionary(Count: 10, ItemsPerBucket: 5)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in MicroBenchmarks.Serializers.Xml_FromStream<IndexViewModel>

Repro

MicroBenchmarks.Serializers.Xml_FromStream<IndexViewModel>.DataContractSerializer_

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Globalization.Tests.StringSearch

Repro

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, OrdinalIgnoreCase, False))

ETL Files

Histogram

JIT Disasms

Docs

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