[Perf] Linux/x64: 20 Regressions on 7/9/2025 3:09:24 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SliceMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).SliceMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L104-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.41 ns | 6.53 ns | 2.71 | 0.05 | False | | |
|<ul><li>[SliceSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).SliceSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L123-#L125>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.27 ns | 5.64 ns | 2.49 | 0.13 | False | | |
|<ul><li>[SliceArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).SliceArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L89-#L90>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.22 ns | 5.57 ns | 2.51 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%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.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.SliceMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.SliceSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.SliceArray

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FooObjIsFoo2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.FooObjIsFoo2.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L183-#L188>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 198.92 μs | 241.93 μs | 1.22 | 0.02 | False | | |
|<ul><li>[IFooObjIsIFooInterAlia - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L227-#L232>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 199.18 μs | 240.76 μs | 1.21 | 0.01 | False | | |
|<ul><li>[ObjObjIsFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.ObjObjIsFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L163-#L168>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 200.52 μs | 240.67 μs | 1.20 | 0.02 | False | | |
|<ul><li>[IFooFooIsIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IFooFooIsIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L207-#L212>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 197.47 μs | 241.54 μs | 1.22 | 0.02 | False | | |
|<ul><li>[IFooObjIsIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IFooObjIsIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L217-#L222>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL24FdkmKQqIIktAWWAFK9BuBWc3mTReOXZlj3dbsfw74ya9cBl7xvOe37wxSEAYCCS8Fz/Rt9/Vbst5WG5UIG33qba8+ezcj93DTUgX8W46MQxTLaFnXKMISfc4XxWr6qqorspqW7xZV2/XZbUsX63K16vyZVGsi2IxIj0eHANF48gi5T7ahL/w7ryydZfePbYh71A1Ie+VtpeG2tlW79PPJ6t6Xc//iI3rD9oo0s7eugbFGgRp9NiIDMRdtN+0bVKRu70Tf5OQL0hfdSDnda3MJ0Xqt6Yu8Sivg7NhnmyRKWTDqPIcs7N6mUI2SpXDkY3C5HAsppNnOHj3gDXBPXqNIYOPUZtmy8Pek+oPGfxSJqJMhm8cu4D+DkM09OERvdrjdJLnz/DU8SAjA7xgcmIvAsxm5K6PtYkNzmaQ53B9ZEqD4FpotWEu3h64yIuCcAYnQR5tw1tLfted8gRPPDXMhwZ5kXmsnYm9lf/LPQ31IM+6uY80GZSC7UN2+jSmt6hC9NijJbH4B3fWTidiAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 199.26 μs | 242.31 μs | 1.22 | 0.02 | False | | |
|<ul><li>[ObjFooIsObj2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.ObjFooIsObj2.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L153-#L158>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 197.67 μs | 240.49 μs | 1.22 | 0.02 | False | | |
|<ul><li>[IFooObjIsDescendantOfIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L237-#L242>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 199.02 μs | 240.13 μs | 1.21 | 0.02 | False | | |
|<ul><li>[FooObjIsDescendant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.FooObjIsDescendant.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L200-#L205>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 201.99 μs | 240.26 μs | 1.19 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_008.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf.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 'PerfLabTests.CastingPerf*'
```

<details>

### PerfLabTests.CastingPerf.FooObjIsFoo2

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.ObjObjIsFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooFooIsIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooObjIsIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.ObjFooIsObj2

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.FooObjIsDescendant

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Reflection.Attributes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IsDefinedMethodBaseMiss - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Reflection.Attributes.IsDefinedMethodBaseMiss.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Attributes.cs#L120-#L121>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 51.70 ns | 64.19 ns | 1.24 | 0.27 | False | | |
|<ul><li>[IsDefinedMethodBaseMissInherit - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Reflection.Attributes.IsDefinedMethodBaseMissInherit.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Attributes.cs#L114-#L115>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 62.12 ns | 66.12 ns | 1.06 | 0.22 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Reflection.Attributes_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Reflection.Attributes_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Reflection.Attributes.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Reflection.Attributes*'
```

<details>

### System.Reflection.Attributes.IsDefinedMethodBaseMiss

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Attributes.IsDefinedMethodBaseMissInherit

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
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_x64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2cno%20escaping%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#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> | 34.51 ns | 37.97 ns | 1.10 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_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: JavaScript,no escaping required,512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SliceMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).SliceMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L104-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.51 ns | 5.72 ns | 2.27 | 0.11 | False | | |
|<ul><li>[SliceSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).SliceSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L123-#L125>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.09 ns | 6.30 ns | 3.01 | 0.21 | False | | |
|<ul><li>[SliceArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).SliceArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L89-#L90>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.18 ns | 6.11 ns | 2.80 | 0.18 | False | | |
|<ul><li>[SliceTenSegments - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).SliceTenSegments.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L143-#L145>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.00 ns | 12.23 ns | 1.36 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%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.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceSingleSegment

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.SliceTenSegments

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.AddGivenSize&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.AddGivenSize(Int32).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L106-#L114>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 662.90 ns | 814.43 ns | 1.23 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.AddGivenSize%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.AddGivenSize%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.AddGivenSize&lt;Int32&gt;*'
```

<details>

### System.Collections.AddGivenSize&lt;Int32&gt;.Stack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c1aa960faf004b0de3676f591ad3405b7d1db1](https://github.com/dotnet/runtime/commit/d4c1aa960faf004b0de3676f591ad3405b7d1db1)
Compare | [baf534c8a3307ac0505ac67f37a6cc92fba16b70](https://github.com/dotnet/runtime/commit/baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c1aa960faf004b0de3676f591ad3405b7d1db1...baf534c8a3307ac0505ac67f37a6cc92fba16b70)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEachNonGeneric&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEachNonGeneric(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L67-#L75>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.47 μs | 1.60 μs | 1.09 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_15_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateForEachNonGeneric&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.Stack(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	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	d4c1aa960faf004b0de3676f591ad3405b7d1db1
Compare	baf534c8a3307ac0505ac67f37a6cc92fba16b70
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SliceMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.41 ns	6.53 ns	2.71	0.05	False
SliceSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.27 ns	5.64 ns	2.49	0.13	False
SliceArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.22 ns	5.57 ns	2.51	0.14	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
FooObjIsFoo2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	198.92 μs	241.93 μs	1.22	0.02	False
IFooObjIsIFooInterAlia - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	199.18 μs	240.76 μs	1.21	0.01	False
ObjObjIsFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	200.52 μs	240.67 μs	1.20	0.02	False
IFooFooIsIFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	197.47 μs	241.54 μs	1.22	0.02	False
IFooObjIsIFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	199.26 μs	242.31 μs	1.22	0.02	False
ObjFooIsObj2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	197.67 μs	240.49 μs	1.22	0.02	False
IFooObjIsDescendantOfIFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	199.02 μs	240.13 μs	1.21	0.02	False
FooObjIsDescendant - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	201.99 μs	240.26 μs	1.19	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IsDefinedMethodBaseMiss - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	51.70 ns	64.19 ns	1.24	0.27	False
IsDefinedMethodBaseMissInherit - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	62.12 ns	66.12 ns	1.06	0.22	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SliceMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.51 ns	5.72 ns	2.27	0.11	False
SliceSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.09 ns	6.30 ns	3.01	0.21	False
SliceArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.18 ns	6.11 ns	2.80	0.18	False
SliceTenSegments - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.00 ns	12.23 ns	1.36	0.10	False

Uh oh!

[Perf] Linux/x64: 20 Regressions on 7/9/2025 3:09:24 AM +00:00 #59227

Description

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.SliceMemory

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.SliceSingleSegment

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.SliceArray

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in PerfLabTests.CastingPerf

Repro

PerfLabTests.CastingPerf.FooObjIsFoo2

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooObjIsIFooInterAlia

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.ObjObjIsFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooFooIsIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooObjIsIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.ObjFooIsObj2

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooObjIsDescendantOfIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.FooObjIsDescendant

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Reflection.Attributes

Repro

System.Reflection.Attributes.IsDefinedMethodBaseMiss

ETL Files

Histogram

JIT Disasms

System.Reflection.Attributes.IsDefinedMethodBaseMissInherit

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,no escaping required,512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Char>.SliceMemory

ETL Files