[Perf] Linux/x64: 5 Regressions on 4/8/2024 6:26:42 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94](https://github.com/dotnet/runtime/commit/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Tests.Perf_Encoding.GetChars(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L41-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 785.11 ns | 910.98 ns | 1.16 | 0.07 | False | | |
|<ul><li>[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Tests.Perf_Encoding.GetString(size%3a%20512%2c%20encName%3a%20%22ascii%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L37-#L39>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 589.93 ns | 750.13 ns | 1.27 | 0.09 | False | | |
|<ul><li>[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Tests.Perf_Encoding.GetChars(size%3a%20512%2c%20encName%3a%20%22ascii%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L41-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 571.24 ns | 871.97 ns | 1.53 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Tests.Perf_Encoding_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Tests.Perf_Encoding_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Tests.Perf_Encoding_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Tests.Perf_Encoding.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.Tests.Perf_Encoding*'
```

<details>

### System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Tests.Perf_Encoding.GetString(size: 512, encName: "ascii")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "ascii")

#### 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 | [bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94](https://github.com/dotnet/runtime/commit/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Text.Perf_Ascii

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Perf_Ascii.ToUtf16(Size%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L114-#L116>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 122.04 ns | 154.72 ns | 1.27 | 0.23 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Ascii_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Ascii.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.Perf_Ascii*'
```

<details>

### System.Text.Perf_Ascii.ToUtf16(Size: 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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94](https://github.com/dotnet/runtime/commit/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:wasm, RunKind:micro


### Regressions in System.Text.Perf_Utf8Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_CompilationMode=wasm_RunKind=micro/System.Text.Perf_Utf8Encoding.GetString(Input%3a%20EnglishAllAscii).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Utf8Encoding.cs#L33-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 175.40 μs | 210.27 μs | 1.20 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Utf8Encoding_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_11_2024/refs/heads/main_x64_ubuntu%2022.04_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Perf_Utf8Encoding.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.Perf_Utf8Encoding*'
```

<details>

### System.Text.Perf_Utf8Encoding.GetString(Input: EnglishAllAscii)

#### 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	bc2bd2bd77ecd7a7979a3ef815e3ff36881a1b94
Compare	f6f91998634961ec4df518ebe99d245ba34e7874
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	785.11 ns	910.98 ns	1.16	0.07	False
GetString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	589.93 ns	750.13 ns	1.27	0.09	False
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	571.24 ns	871.97 ns	1.53	0.10	False

[Perf] Linux/x64: 5 Regressions on 4/8/2024 6:26:42 PM #32591

Description

Run Information

Regressions in System.Text.Tests.Perf_Encoding

Repro

System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

ETL Files

Histogram

JIT Disasms

System.Text.Tests.Perf_Encoding.GetString(size: 512, encName: "ascii")

ETL Files

Histogram

JIT Disasms

System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "ascii")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Perf_Ascii

Repro

System.Text.Perf_Ascii.ToUtf16(Size: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Perf_Utf8Encoding

Repro

System.Text.Perf_Utf8Encoding.GetString(Input: EnglishAllAscii)

ETL Files

Histogram

JIT Disasms

Docs

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