[Perf] Linux/x64: 25 Regressions on 4/21/2025 2:03:19 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%20100000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.Basic.cs#L94-#L126>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.07 ms | 1.15 ms | 1.07 | 0.01 | False | | |
|<ul><li>[WriteBasicUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%20100000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.Basic.cs#L60-#L92>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.01 ms | 1.17 ms | 1.15 | 0.01 | False | | |
|<ul><li>[WriteBasicUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%20100000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.Basic.cs#L60-#L92>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.05 ms | 1.16 ms | 1.11 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Basic_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Basic_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Basic_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Basic.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.Tests.Perf_Basic*'
```

<details>

### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 100000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 100000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 100000)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_Decimal

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_x64_ubuntu 22.04/ViperUbuntu/System.Tests.Perf_Decimal.ToString(value%3a%20123456.789).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Decimal.cs#L23-#L26>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.00 ns | 44.32 ns | 1.14 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_Decimal_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_Decimal.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.Tests.Perf_Decimal*'
```

<details>

### System.Tests.Perf_Decimal.ToString(value: 123456.789)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FormatterDecimal - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDecimal(value%3a%20123456.789).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L46-#L49>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TMBC9V+p/GHpxKrJJtkvZEGQJ9gOQ0F62Bc4mmTRG/qjs8W4rlv+O3aQcuMzI4zdv3rxRSEDoCTh8YJujJ9TFTeh7dL7Y4oFi8OSLb9TXn6zTggjdWPr3vMNWaqGyJ6ECNnC5unqzfltc1++W7P18puIA0UdYnNAJQpIas1W1Wl9Uq4tVvb2smquqWVdFXV3Xdb1+XVVNVS2nTod7GxtZZ8kglS6Y1H/m/emEaYf077D35YCi86UW0pwBrTW93KXJRyO0bLPf7NbqvVSCpDUPtkPWACOJDjuWA3sM5qs0XSpGtLPsTxLyGemL9GSdbIW6EyR+SBoSj3DSW+OzZCBPIR9X5aeYn9TzFPJJKh9TPgnjY1rOZy+wd/YXtgQbdBJ9DjdBqm4bl92Q0Pscvid3ebL+1kYX0D2iD4o+PqETO5zPyvIFnoe4yMQAryI5RS88LBZk7w+tCh0uFlCWcH+IlArB9tBLFbmk2YEN8VDgT81JkEPTxaslv9tBOILnuDVkI4CfZR5aq4I2/H+5x7Hu+Ul3xJEkhZxF+zA6fZyeDyh8cKjREFv+BRQA+z2MAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 33.14 ns | 41.19 ns | 1.24 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Utf8FormatterTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Utf8FormatterTests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'
```

<details>

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDecimal(value: 123456.789)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsFalse&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsFalse(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L125-#L134>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 248.93 μs | 335.08 μs | 1.35 | 0.30 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsFalse%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsFalse%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.ContainsFalse&lt;String&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;String&gt;.Queue(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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MultipleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).MultipleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L83-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 158.69 ns | 175.23 ns | 1.10 | 0.17 | False | | |
|<ul><li>[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L62-#L81>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.06 μs | 14.85 μs | 1.06 | 0.02 | False | | |
|<ul><li>[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L48-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.42 μs | 1.94 μs | 1.37 | 0.57 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%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.RentReturnArrayPoolTests&lt;Byte&gt;*'
```

<details>

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20DeepTree).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.25 μs | 9.27 μs | 1.12 | 0.02 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20Json4KB).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.56 μs | 7.60 μs | 1.16 | 0.06 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20Json400KB).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 675.40 μs | 778.02 μs | 1.15 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite.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.Document.Tests.Perf_ParseThenWrite*'
```

<details>

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: DeepTree)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json4KB)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json400KB)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Tests.Perf_Get

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetDecimal - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Tests.Perf_Get.GetDecimal.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Perf.Get.cs#L190-#L203>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.94 μs | 3.86 μs | 1.31 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Get_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Tests.Perf_Get.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.Tests.Perf_Get*'
```

<details>

### System.Text.Json.Tests.Perf_Get.GetDecimal

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)Sherlock%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.29 μs | 64.14 μs | 1.28 | 0.42 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)Sherlock%22%2c%20Options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 54.07 μs | 67.60 μs | 1.25 | 0.41 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)Sherlock%20Holmes%22%2c%20Options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 62.15 μs | 68.53 μs | 1.10 | 0.39 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)Sherlock%20Holmes%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 55.28 μs | 69.65 μs | 1.26 | 0.44 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.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.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock", Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock", Options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock Holmes", Options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock Holmes", Options: NonBacktracking)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.ReadOnlySpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22ABCDE%22%2c%20value%3a%20%22c%22%2c%20comparisonType%3a%20InvariantCultureIgnoreCase).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2STW/bMAyG7wHyHzhflGBu7CbtsGUQsNYNtmAICiTBdtZsOtEgS4ZEpzHW/fdR+ehhF8qkSerhSxkkIAwEEr6ITR8Im8kKG+f7yRpV9WxNv2mVnSxthcfnekNe291I27ajOSQPj8XTIknhoEyH7Jf8XbqmVV4HZ7d9y8GlPbCrLBWdoc7jcmedx0IFHIvPw4FhAFUTeiaoFCHpBkfTfHp/k09vph+3t/l89mGef5rMpnez2e39+zyf5/n4UumxdVwoKkcWKfOdjfXXvr+8suU+/vdYh2zPA4WsUdpeE0pna72LN/dWNboc/REF42ujSDu7chWKOQjS6LESKYh1Z79rW8UgZ3sn/kaQr0jfdCDndanMkyL1U9O+eJMhjKLAMpr0PKo82fREL6NJL6jyfKQXMHk+xsPBK7Te/caSYINeY0jhsdOm2vKwG1JNm8KPuAK55UsKxyqgX2NgwR8O6NUOh4Mse4WXPQ9y6QDvuDmxFgGShNziWJquwiSBLIPFkVsaBFdDrQ334p2D63hREE7FEcgjPwkPUe9yrzzBC08No3OCvGIeS2e6xsr/cftzPMgTN+eRJoNSsHzISvcXd4Uq8Jtp0JIY/wP8Ys8wrAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 14.37 ns | 15.76 ns | 1.10 | 0.02 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22string1%22%2c%20value%3a%20%22string2%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.96 ns | 20.61 ns | 1.09 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.ReadOnlySpan_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.ReadOnlySpan_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.ReadOnlySpan.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.Memory.ReadOnlySpan*'
```

<details>

### System.Memory.ReadOnlySpan.IndexOfString(input: "ABCDE", value: "c", comparisonType: InvariantCultureIgnoreCase)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsTrue(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L146-#L155>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 126.49 μs | 156.55 μs | 1.24 | 0.44 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%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.ContainsTrue&lt;String&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;String&gt;.Queue(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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice.Count(Options%3a%20IgnoreCase).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L112-#L123>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 812.65 ms | 903.20 ms | 1.11 | 0.26 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice.Count(Options%3a%20IgnoreCase%2c%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L112-#L123>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 772.60 ms | 904.30 ms | 1.17 | 0.29 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice.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.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice.Count(Options: IgnoreCase)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_SliceSlice.Count(Options: IgnoreCase, NonBacktracking)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22(%3fi)Twain%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L242-#L244>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.84 ms | 3.05 ms | 1.07 | 0.03 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22(%3fi)Twain%22%2c%20Options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L242-#L244>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.83 ms | 3.11 ms | 1.10 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.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.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "(?i)Twain", Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "(?i)Twain", Options: None)

#### 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 | ViperUbuntu
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryParseDecimal - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Text.Tests.Utf8ParserTests.TryParseDecimal(value%3a%20123456.789).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8ParserTests.cs#L101-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 29.25 ns | 38.46 ns | 1.31 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Utf8ParserTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_29_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Text.Tests.Utf8ParserTests.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.Utf8ParserTests*'
```

<details>

### System.Buffers.Text.Tests.Utf8ParserTests.TryParseDecimal(value: 123456.789)

#### 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	ViperUbuntu
Baseline	27d23218a56d484638692d56b3abd27e0b21b591
Compare	d9c4c3e73dcf09435a3cc1cabb23584c9f24b504
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteBasicUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.07 ms	1.15 ms	1.07	0.01	False
WriteBasicUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.01 ms	1.17 ms	1.15	0.01	False
WriteBasicUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.05 ms	1.16 ms	1.11	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
MultipleSerial - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	158.69 ns	175.23 ns	1.10	0.17	False
SingleParallel - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.06 μs	14.85 μs	1.06	0.02	False
SingleSerial - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.42 μs	1.94 μs	1.37	0.57	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.25 μs	9.27 μs	1.12	0.02	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.56 μs	7.60 μs	1.16	0.06	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	675.40 μs	778.02 μs	1.15	0.05	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.29 μs	64.14 μs	1.28	0.42	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	54.07 μs	67.60 μs	1.25	0.41	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	62.15 μs	68.53 μs	1.10	0.39	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	55.28 μs	69.65 μs	1.26	0.44	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.37 ns	15.76 ns	1.10	0.02	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.96 ns	20.61 ns	1.09	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	812.65 ms	903.20 ms	1.11	0.26	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	772.60 ms	904.30 ms	1.17	0.29	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.84 ms	3.05 ms	1.07	0.03	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.83 ms	3.11 ms	1.10	0.02	False

[Perf] Linux/x64: 25 Regressions on 4/21/2025 2:03:19 AM +00:00 #54630

Description

Run Information

Regressions in System.Text.Json.Tests.Perf_Basic

Repro

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 100000)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 100000)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 100000)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_Decimal

Repro

System.Tests.Perf_Decimal.ToString(value: 123456.789)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Repro

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDecimal(value: 123456.789)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsFalse<String>

Repro

System.Collections.ContainsFalse<String>.Queue(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Repro

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: DeepTree)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json4KB)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json400KB)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Tests.Perf_Get

Repro

System.Text.Json.Tests.Perf_Get.GetDecimal

ETL Files

Histogram