[Perf] Windows/arm64: 27 Improvements on 5/29/2025 11:26:46 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Concurrent.IsEmpty&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Concurrent.IsEmpty(Int32).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Concurrent/IsEmpty.cs#L28-#L29>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.17 ns | 3.14 ns | 0.61 | 0.06 | 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.Concurrent.IsEmpty%28Int32%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/System.Collections.Concurrent.IsEmpty%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Concurrent.IsEmpty&lt;Int32&gt;*'
```

<details>

### System.Collections.Concurrent.IsEmpty&lt;Int32&gt;.Dictionary(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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.TryGetValueTrue&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.TryGetValueTrue(String%2c%20String).IDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L63-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.10 μs | 14.96 μs | 0.93 | 0.02 | False | | |
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.TryGetValueTrue(String%2c%20String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L52-#L61>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.21 μs | 11.06 μs | 0.78 | 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.Collections.TryGetValueTrue%28String%2C%20String%29_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.TryGetValueTrue%28String%2C%20String%29_002.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.TryGetValueTrue%28String%2C%20String%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.TryGetValueTrue&lt;String, String&gt;*'
```

<details>

### System.Collections.TryGetValueTrue&lt;String, String&gt;.IDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueTrue&lt;String, String&gt;.Dictionary(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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Double

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToString(value%3a%2012345).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L48-#L51>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 135.91 ns | 112.61 ns | 0.83 | 0.02 | False | | |
|<ul><li>[ToStringWithCultureInfo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToStringWithCultureInfo(value%3a%2012345%2c%20culture%3a%20zh).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L56-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 133.14 ns | 111.16 ns | 0.83 | 0.02 | False | | |
|<ul><li>[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.Parse(value%3a%20%22-1.7976931348623157e%2b308%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L71-#L74>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 131.00 ns | 122.79 ns | 0.94 | 0.00 | False | | |
|<ul><li>[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToStringWithFormat(value%3a%20-1.7976931348623157E%2b308%2c%20format%3a%20%22E%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L65-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW/bMAy9B8h/4HxRgjrxR+Km8SBgW5ttwFBgaILtOKg2HWuQpUCi2wTr/vskJ7nsQkLU4+Pjo0ICQkfA4QPbnhxhN9/5t5t/R9v8ejD9s8L5zmzJSr3/Kan9bGwnaPIiVI8lzLL5ar26XS+yxfLuNl9kxWpzs0jvYmgGXAnRJpqy9+OR8pNEQ2j9qFoQkuxwkqd5MUuXsyzfZWmZrcpFMc+K9TLPips0LdN0eum0eDC+kdWGNFJiex36r7zPVuiqDf8WG5e0KGqXdELqK6AyupH7MPmkRSeryR92b7qDVIKk0Y+mRlYCI4kWaxYDe+r1N6nrUPRoa9jfIOQL0lfpyFhZCfUgSAQ/Ao+w0hntJsFJHkJ8XpUPMR7U8xDii1R+TvFFGD+n6Xj0BgdrfmNFsEUr0cXwqZeq3vlltyS6Qww/gvE83OjeeBfQPqHrFX18QSv2OB4lyRu8tn6RCwO88+TkvXAQRWQ2x0r1NUYRJAlsjp5SIZgGGqk8l78xmN4fCtzQHARZ1LW/WvC7aoUlePVbw+QM4FeZx8qovtP8f7mnc93xQbfHkSSFnHn70Dt9ujwfUbjeYoea2PQfZMCVKpUCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 149.89 ns | 140.18 ns | 0.94 | 0.00 | False | | |
|<ul><li>[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToStringWithFormat(value%3a%20-1.7976931348623157E%2b308%2c%20format%3a%20%22G17%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L65-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW/bMAy9B8h/4HxRgjrxR5K68SBgW5u2wFBgaILtOKg2nWiQpUCi2wTr/nulxLnsQkLU4+Pjo0ICQkfA4QtbHx1hO934t5v+QNv8vjPdi8LpxqzJSr39JWl3b2wraPQqVIclTLJpsSyul7NsNr+5zmfZolhdzdKbGJoTroToISuiMfs8HCg/SzSE1g+rBSHJFkd5mi8m6XyS5ZssLbOinC+m+TxbLpf5VZqWaTruOy3ujW9ktSGNlNhOh/4L74sVutqFf4uNS3Yoape0QuoLoDK6kdsw+ahFK6vRX3Zr2r1UgqTRT6ZGVgIjiRZrFgN77vR3qetQ9Ghr2L8g5AHpUToyVlZC3QkSwZHAI6x0RrtR8JKHEJ9X5acYn9TzEOJeKj+nuBfGz2k8HLzD3po/WBGs0Up0MXzrpKo3ftk1iXYfw89gPQ9XujXeBbTP6DpFX1/Rii0OB0nyDm87v0jPAJ88OXkvHEQRmdWhUl2NUQRJAquDp1QIpoFGKs/lrwym84cCd2oOgizq2l8t+F3thCV481vD6AzgF5mHyqiu1fx/ucdz3fGTbo8jSQo58/ahd/rYP59QuM5ii5rY+APjhcqTlwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 240.33 ns | 228.00 ns | 0.95 | 0.01 | False | | |
|<ul><li>[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToString(value%3a%20-1.7976931348623157E%2b308).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L48-#L51>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 269.19 ns | 252.67 ns | 0.94 | 0.00 | False | | |
|<ul><li>[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Double.ToStringWithFormat(value%3a%2012345%2c%20format%3a%20%22E%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L65-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cL7IwdzYTpph8yBgW5utwFBgaILtOKg2HWuQpUCi2gTr/r2S7Vx2IUGKfHrvUSEBoSPg8Intzo6wX+5D7ZY/0La/b41/VLjcmx1ZqQ+/JHVfje0FpU9CeaygXK2vNxm0Q7OCZJss2Mf5TAVY0RLagNsIQpI9pqtitbkqrq/K1b4sqvJ9VWyW6w/vis26fFsUVVEspk2LRxMWWWNII+XW67h/wX20QtddfLfYurxD0bi8F1JfBmqjW3mIP5+16GWd/mU3pj9KJUgafW8aZBUwkmixYRmwB6+/S93EZpi2hv2LRL4h3UlHxspaqFtBIoqPOMJKZ7RLo208hmyUyoeYDex5DNlElY8pm4jxMS3msxc4WvMHa4IdWokugy9eqmYfxO5I9McMfkaXeTzIjQkuoH1A5xV9fkIrDjif5fkLPHdByIQAbwI4BS8cJAmZ7alWvsEkgTyH7SlAKgTTQitVwAoHBePDocANy5GQRd2Eq0W/605YguegGtJxgF9onmqjfK/5/3TPY9/xgXeYI0kKOQv2YXD6PJX3KJy32KMmtngFad+mJYICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 149.54 ns | 134.00 ns | 0.90 | 0.00 | 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.Tests.Perf_Double_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.Tests.Perf_Double_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.Tests.Perf_Double_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.Tests.Perf_Double_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.Tests.Perf_Double_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.Tests.Perf_Double_006.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.Tests.Perf_Double_007.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.Tests.Perf_Double.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_Double*'
```

<details>

### System.Tests.Perf_Double.ToString(value: 12345)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.ToStringWithCultureInfo(value: 12345, culture: zh)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.Parse(value: "-1.7976931348623157e+308")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.ToStringWithFormat(value: -1.7976931348623157E+308, format: "E")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.ToStringWithFormat(value: -1.7976931348623157E+308, format: "G17")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.ToString(value: -1.7976931348623157E+308)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Double.ToStringWithFormat(value: 12345, format: "E")

#### 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 | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Add_Remove_SteadyState(Int32).ConcurrentBag(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/AddRemove/AddRemoveSteadyState.cs#L33-#L38>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 61.76 ns | 31.15 ns | 0.50 | 0.06 | 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.Tests.Add_Remove_SteadyState%28Int32%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/System.Collections.Tests.Add_Remove_SteadyState%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;*'
```

<details>

### System.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;.ConcurrentBag(Count: 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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsKeyTrue&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.ContainsKeyTrue(String%2c%20String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyTrue.cs#L50-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.35 μs | 11.85 μs | 0.83 | 0.07 | False | | |
|<ul><li>[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.ContainsKeyTrue(String%2c%20String).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyTrue.cs#L97-#L106>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW7bMAy9B8g/cLkowdzaMZpi8KZhW1psQNFLE2xnzaYTDbIUSNQab92/j7KdSy+kJfE9Pj7aIAFhIJDwSez6QNhdb50xWJN2NvC3JaVteMB+7yN+2JHX9pDBmD+m9zp6j5bu9ABRvl/u9B+sYLMuV+L9fGa4hWoJPfdoFCHpDpdlUW6uipurdblfF1VZVpvb682mKIt3t2+LoiqK1YT0eHIMFI0ji5T7aBP+wvvTK1sf07vHNuRHVE3IOxZ8KaidbfUhde6t6nS9/Cu2rjtpo5LYR9egqECQRo+NyEA8RfugbZMuudo78S8J+Yr0TQdyXtfK3ClSPzQdE4/yOrBNy2ShTCEbR5VDzAb1MoVskirHlE3C5JhW89kLnLz7xbbDDr3GkMGXqE2z52F3pLpTBt+ViSj33GTr2AX0Txiioc+/0asDzmd5/gLPRx5kYoA3TD4sDxYLcvfn2sQGFwvIc7g/M6VBcC202jAXLxNc5EVBGMBJEG+14a0lv+uj8gTPPDUsxwJ5kXmunYmdla/l9uN9kINuriNNBqVg+5Cd7qfjI6oQPXb8B4nVf+lXRLKOAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 14.08 μs | 10.52 μs | 0.75 | 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.Collections.ContainsKeyTrue%28String%2C%20String%29_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.ContainsKeyTrue%28String%2C%20String%29_002.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.ContainsKeyTrue%28String%2C%20String%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.ContainsKeyTrue&lt;String, String&gt;*'
```

<details>

### System.Collections.ContainsKeyTrue&lt;String, String&gt;.Dictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsKeyTrue&lt;String, String&gt;.ConcurrentDictionary(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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToStream - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Location).SerializeToStream(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L89-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 885.36 ns | 796.08 ns | 0.90 | 0.01 | False | | |
|<ul><li>[SerializeObjectProperty - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Location).SerializeObjectProperty(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L97-#L98>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 964.14 ns | 849.90 ns | 0.88 | 0.01 | False | | |
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Location).SerializeToWriter(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L81-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 677.98 ns | 591.84 ns | 0.87 | 0.01 | False | | |
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Location).SerializeToWriter(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L81-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 633.55 ns | 564.73 ns | 0.89 | 0.02 | False | | |
|<ul><li>[SerializeToUtf8Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(Location).SerializeToUtf8Bytes(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 780.50 ns | 702.99 ns | 0.90 | 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.Text.Json.Serialization.Tests.WriteJson%28Location%29_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.Text.Json.Serialization.Tests.WriteJson%28Location%29_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.Text.Json.Serialization.Tests.WriteJson%28Location%29_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.Text.Json.Serialization.Tests.WriteJson%28Location%29_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.Text.Json.Serialization.Tests.WriteJson%28Location%29_005.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.Text.Json.Serialization.Tests.WriteJson%28Location%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.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;.SerializeToStream(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;.SerializeObjectProperty(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;.SerializeToWriter(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Location&gt;.SerializeToUtf8Bytes(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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayBitArrayCtor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Perf_BitArray.BitArrayBitArrayCtor(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L36-#L38>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 30.52 ns | 26.79 ns | 0.88 | 0.11 | False | | |
|<ul><li>[BitArrayCopyToIntArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Perf_BitArray.BitArrayCopyToIntArray(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L145-#L147>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.95 ns | 13.40 ns | 0.84 | 0.18 | False | | |
|<ul><li>[BitArraySetLengthShrink - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L129-#L135>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 26.67 ns | 23.97 ns | 0.90 | 0.04 | False | | |
|<ul><li>[BitArrayNot - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Perf_BitArray.BitArrayNot(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L66-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 26.79 ns | 21.55 ns | 0.80 | 0.03 | False | | |
|<ul><li>[BitArraySetLengthShrink - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L129-#L135>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 207.54 ns | 188.31 ns | 0.91 | 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.Collections.Tests.Perf_BitArray_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.Tests.Perf_BitArray_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.Tests.Perf_BitArray_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.Collections.Tests.Perf_BitArray_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.Collections.Tests.Perf_BitArray_005.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.Tests.Perf_BitArray.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.Tests.Perf_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArrayBitArrayCtor(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayCopyToIntArray(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayNot(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;MyEventsListerViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Serialization.Tests.WriteJson(MyEventsListerViewModel).SerializeToString(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L75-#L76>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 367.62 μs | 330.91 μs | 0.90 | 0.09 | 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.Text.Json.Serialization.Tests.WriteJson%28MyEventsListerViewModel%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/System.Text.Json.Serialization.Tests.WriteJson%28MyEventsListerViewModel%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.Text.Json.Serialization.Tests.WriteJson&lt;MyEventsListerViewModel&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;MyEventsListerViewModel&gt;.SerializeToString(Mode: SourceGen)

#### 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 | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.MemoryMarshal&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.MemoryMarshal(Int32).TryGetArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/MemoryMarshal.cs#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.91 ns | 0.93 ns | 0.24 | 0.07 | 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.Memory.MemoryMarshal%28Int32%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/System.Memory.MemoryMarshal%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.MemoryMarshal&lt;Int32&gt;*'
```

<details>

### System.Memory.MemoryMarshal&lt;Int32&gt;.TryGetArray

#### 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 | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in MicroBenchmarks.Serializers.Json_ToString&lt;IndexViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SystemTextJson_Reflection_ - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/MicroBenchmarks.Serializers.Json_ToString(IndexViewModel).SystemTextJson_Reflection_.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/Serializers/Json_ToString.cs#L48-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.29 μs | 15.72 μs | 0.91 | 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/MicroBenchmarks.Serializers.Json_ToString%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.Json_ToString%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.Json_ToString&lt;IndexViewModel&gt;*'
```

<details>

### MicroBenchmarks.Serializers.Json_ToString&lt;IndexViewModel&gt;.SystemTextJson_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>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [1c06dfa1c227f0e99a3ce05a9937a981b4872b01](https://github.com/dotnet/runtime/commit/1c06dfa1c227f0e99a3ce05a9937a981b4872b01)
Compare | [b2b6b84812097430769a63fed2abfb000f20581e](https://github.com/dotnet/runtime/commit/b2b6b84812097430769a63fed2abfb000f20581e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1c06dfa1c227f0e99a3ce05a9937a981b4872b01...b2b6b84812097430769a63fed2abfb000f20581e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.AddGivenSize&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[HashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.AddGivenSize(String).HashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L52-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.27 μs | 13.97 μs | 0.92 | 0.04 | 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.AddGivenSize%28String%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/System.Collections.AddGivenSize%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.AddGivenSize&lt;String&gt;*'
```

<details>

### System.Collections.AddGivenSize&lt;String&gt;.HashSet(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>

Name	Value
Architecture	arm64
OS	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	1c06dfa1c227f0e99a3ce05a9937a981b4872b01
Compare	b2b6b84812097430769a63fed2abfb000f20581e
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.10 μs	14.96 μs	0.93	0.02	False
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.21 μs	11.06 μs	0.78	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	135.91 ns	112.61 ns	0.83	0.02	False
ToStringWithCultureInfo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	133.14 ns	111.16 ns	0.83	0.02	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	131.00 ns	122.79 ns	0.94	0.00	False
ToStringWithFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	149.89 ns	140.18 ns	0.94	0.00	False
ToStringWithFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	240.33 ns	228.00 ns	0.95	0.01	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	269.19 ns	252.67 ns	0.94	0.00	False
ToStringWithFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	149.54 ns	134.00 ns	0.90	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.35 μs	11.85 μs	0.83	0.07	False
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.08 μs	10.52 μs	0.75	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	885.36 ns	796.08 ns	0.90	0.01	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	964.14 ns	849.90 ns	0.88	0.01	False
SerializeToWriter - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	677.98 ns	591.84 ns	0.87	0.01	False
SerializeToWriter - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	633.55 ns	564.73 ns	0.89	0.02	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	780.50 ns	702.99 ns	0.90	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
BitArrayBitArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.52 ns	26.79 ns	0.88	0.11	False
BitArrayCopyToIntArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.95 ns	13.40 ns	0.84	0.18	False
BitArraySetLengthShrink - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.67 ns	23.97 ns	0.90	0.04	False
BitArrayNot - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.79 ns	21.55 ns	0.80	0.03	False
BitArraySetLengthShrink - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	207.54 ns	188.31 ns	0.91	0.01	False

[Perf] Windows/arm64: 27 Improvements on 5/29/2025 11:26:46 AM +00:00 #57540

Description

Run Information

Improvements in System.Collections.Concurrent.IsEmpty<Int32>

Repro

System.Collections.Concurrent.IsEmpty<Int32>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.TryGetValueTrue<String, String>

Repro

System.Collections.TryGetValueTrue<String, String>.IDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.TryGetValueTrue<String, String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_Double

Repro

System.Tests.Perf_Double.ToString(value: 12345)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.ToStringWithCultureInfo(value: 12345, culture: zh)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.Parse(value: "-1.7976931348623157e+308")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.ToStringWithFormat(value: -1.7976931348623157E+308, format: "E")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.ToStringWithFormat(value: -1.7976931348623157E+308, format: "G17")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.ToString(value: -1.7976931348623157E+308)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Double.ToStringWithFormat(value: 12345, format: "E")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Add_Remove_SteadyState<Int32>

Repro

System.Collections.Tests.Add_Remove_SteadyState<Int32>.ConcurrentBag(Count: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsKeyTrue<String, String>

Repro

System.Collections.ContainsKeyTrue<String, String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.ContainsKeyTrue<String, String>.ConcurrentDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Serialization.Tests.WriteJson<Location>

Repro

System.Text.Json.Serialization.Tests.WriteJson<Location>.SerializeToStream(Mode: Reflection)

ETL Files

Histogram