[Perf] Linux/arm64: 55 Regressions on 5/29/2025 7:08:27 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%ef%bf%bd2020%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 151.27 ns | 161.72 ns | 1.07 | 0.00 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.78 ns | 22.59 ns | 1.27 | 0.03 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 67.13 ns | 76.84 ns | 1.14 | 0.01 | False | | |
|<ul><li>[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 74.10 ns | 118.13 ns | 1.59 | 0.01 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%ef%bf%bd2020%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 117.05 ns | 158.59 ns | 1.35 | 0.01 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 113.85 ns | 152.74 ns | 1.34 | 0.01 | False | | |
|<ul><li>[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 170.29 ns | 214.90 ns | 1.26 | 0.00 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 74.34 ns | 111.05 ns | 1.49 | 0.00 | False | | |
|<ul><li>[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%ef%bf%bd2020%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 52.28 ns | 63.15 ns | 1.21 | 0.01 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 127.97 ns | 168.42 ns | 1.32 | 0.00 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 99.83 ns | 137.38 ns | 1.38 | 0.01 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.86 ns | 47.15 ns | 1.18 | 0.01 | False | | |
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%ef%bf%bd2020%2c16).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 57.34 ns | 71.76 ns | 1.25 | 0.01 | False | | |
|<ul><li>[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 182.20 ns | 247.32 ns | 1.36 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_008.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_009.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_010.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_011.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_012.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_013.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_014.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```

<details>

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+&lt;World&gt;!,16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+&lt;World&gt;!,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+&lt;World&gt;!,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,16)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_Vector(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 60.09 μs | 64.46 μs | 1.07 | 0.01 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDivisor(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.37 μs | 1.55 μs | 1.13 | 0.09 | False | | |
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_Vector(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 1.18 μs | 1.35 μs | 1.15 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_Vector(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_Vector(BufferLength: 128)

#### 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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Net.Primitives.Tests.CredentialCacheTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetCredential_Uri - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString%3a%20%22http%3a%2f%2fnotfound%22%2c%20uriCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L32-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 392.09 ns | 545.71 ns | 1.39 | 0.05 | False | | |
|<ul><li>[GetCredential_Uri - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString%3a%20%22http%3a%2f%2fname5%22%2c%20uriCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L32-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 367.45 ns | 460.85 ns | 1.25 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Net.Primitives.Tests.CredentialCacheTests_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Net.Primitives.Tests.CredentialCacheTests_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Net.Primitives.Tests.CredentialCacheTests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Net.Primitives.Tests.CredentialCacheTests*'
```

<details>

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://name5", uriCount: 10)

#### 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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;HashSet&lt;String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Serialization.Tests.WriteJson(HashSet(String)).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> | 3.58 μs | 4.13 μs | 1.15 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28HashSet%28String%29%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28HashSet%28String%29%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;HashSet&lt;String&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;HashSet&lt;String&gt;&gt;.SerializeToWriter(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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Xml.Linq.Perf_XName

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CreateElement - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Xml.Linq.Perf_XName.CreateElement.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Xml.Linq/Perf.XName.cs#L16-#L18>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.98 ns | 26.68 ns | 1.48 | 0.36 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Xml.Linq.Perf_XName_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Xml.Linq.Perf_XName.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Xml.Linq.Perf_XName*'
```

<details>

### System.Xml.Linq.Perf_XName.CreateElement

#### 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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Hashtable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.CtorFromCollectionNonGeneric(Int32).Hashtable(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollectionNonGeneric.cs#L31-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 23.50 μs | 31.21 μs | 1.33 | 0.42 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Collections.CtorFromCollectionNonGeneric%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Collections.CtorFromCollectionNonGeneric%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;*'
```

<details>

### System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;.Hashtable(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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Intersect - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.Intersect(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L393-#L398>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.64 μs | 4.40 μs | 1.21 | 0.01 | False | | |
|<ul><li>[ToDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.ToDictionary(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L276-#L278>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.34 μs | 2.70 μs | 1.15 | 0.01 | False | | |
|<ul><li>[Except - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.Except(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L402-#L404>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.23 μs | 3.63 μs | 1.12 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_Enumerable_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_Enumerable_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_Enumerable.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.Intersect(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.ToDictionary(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Except(input: IEnumerable)

#### 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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).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> | 9.15 μs | 13.13 μs | 1.43 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToWriter(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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Text.Tests.Base64Tests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Base64IsValid - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Buffers.Text.Tests.Base64Tests.Base64IsValid(NumberOfBytes%3a%201000).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 97.90 ns | 106.29 ns | 1.09 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Buffers.Text.Tests.Base64Tests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Buffers.Text.Tests.Base64Tests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Base64Tests*'
```

<details>

### System.Buffers.Text.Tests.Base64Tests.Base64IsValid(NumberOfBytes: 1000)

#### 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 | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [e01d8f5df160b9fb047d45b019922b3d5c6bcf5e](https://github.com/dotnet/runtime/commit/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e)
Compare | [d960be890a25df350184089056e87e2bfc1446c5](https://github.com/dotnet/runtime/commit/d960be890a25df350184089056e87e2bfc1446c5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e01d8f5df160b9fb047d45b019922b3d5c6bcf5e...d960be890a25df350184089056e87e2bfc1446c5)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Globalization.Tests.StringSearch

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20IgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L102-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 753.25 ns | 817.72 ns | 1.09 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/System.Globalization.Tests.StringSearch_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_05_2025/refs/heads/main_arm64_ubuntu%2022.04_Regression/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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.StringSearch*'
```

<details>

### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, 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	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	e01d8f5df160b9fb047d45b019922b3d5c6bcf5e
Compare	d960be890a25df350184089056e87e2bfc1446c5
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EncodeUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	151.27 ns	161.72 ns	1.07	0.00	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.78 ns	22.59 ns	1.27	0.03	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	67.13 ns	76.84 ns	1.14	0.01	False
EncodeUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	74.10 ns	118.13 ns	1.59	0.01	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	117.05 ns	158.59 ns	1.35	0.01	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	113.85 ns	152.74 ns	1.34	0.01	False
EncodeUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	170.29 ns	214.90 ns	1.26	0.00	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	74.34 ns	111.05 ns	1.49	0.00	False
EncodeUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	52.28 ns	63.15 ns	1.21	0.01	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	127.97 ns	168.42 ns	1.32	0.00	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	99.83 ns	137.38 ns	1.38	0.01	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.86 ns	47.15 ns	1.18	0.01	False
EncodeUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	57.34 ns	71.76 ns	1.25	0.01	False
EncodeUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	182.20 ns	247.32 ns	1.36	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	60.09 μs	64.46 μs	1.07	0.01	False
Ieee754Remainder_ScalarDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.37 μs	1.55 μs	1.13	0.09	False
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.18 μs	1.35 μs	1.15	0.22	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetCredential_Uri - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	392.09 ns	545.71 ns	1.39	0.05	False
GetCredential_Uri - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	367.45 ns	460.85 ns	1.25	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Intersect - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.64 μs	4.40 μs	1.21	0.01	False
ToDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.34 μs	2.70 μs	1.15	0.01	False
Except - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.23 μs	3.63 μs	1.12	0.01	False

[Perf] Linux/arm64: 55 Regressions on 5/29/2025 7:08:27 AM +00:00 #56888

Description

Run Information

Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Repro

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+<World>!,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,�2020,16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",512)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,16)

ETL Files

Histogram

JIT Disasms

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>

Repro

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_Vector(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_Vector(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Net.Primitives.Tests.CredentialCacheTests