[Perf] Linux/x64: 6 Regressions on 10/25/2022 12:27:43 PM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [5108757b997c59ab8ba1fc5309ab0d4e730e2b77](https://github.com/dotnet/runtime/commit/5108757b997c59ab8ba1fc5309ab0d4e730e2b77)
Compare | [f4b715f1cfadcbf85486f369724528c051be5733](https://github.com/dotnet/runtime/commit/f4b715f1cfadcbf85486f369724528c051be5733)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5108757b997c59ab8ba1fc5309ab0d4e730e2b77...f4b715f1cfadcbf85486f369724528c051be5733)


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;LargeStructWithProperties&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Serialization.Tests.WriteJson(LargeStructWithProperties).SerializeToWriter.html>) | 9.41 μs | 10.16 μs | 1.08 | 0.02 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_Regression/System.Text.Json.Serialization.Tests.WriteJson(LargeStructWithProperties).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;LargeStructWithProperties&gt;*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 10 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9338>)
* [[Perf] Alpine/x64: 12 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9318>)
* [[Perf] Windows/x64: 6 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9307>)
* [[Perf] Linux/x64: 8 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/runtime/issues/77731>)
#### Improvements
* [[Perf] Linux/x64: 2 Improvements on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9331>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0ad4eaff-3edd-418b-bd55-008046fdacf1bbffc0e757b49fb89/46450b5a-e77e-43b3-8942-cadc5b6ac794.zip?sv=2021-08-06&se=2022-11-24T05%3A47%3A38Z&sr=c&sp=rl&sig=KIHsf3d%2FF50yetlKMTPb4mHZi1g9pe4x3csAjQSC7X4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8e7b17e8-5e0d-4e13-98b1-e18a691b36cbd7db88dab49403593/8e998ddd-a16a-49c9-8e61-d6988974e708.zip?sv=2021-08-06&se=2022-11-24T17%3A01%3A25Z&sr=c&sp=rl&sig=%2BK1%2FtwaaObaGyZmCxuxbevYBb5hkUaaxbVG8So8c02M%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Serialization.Tests.WriteJson-LargeStructWithProperties-.SerializeToWriter.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Text.Json.Serialization.Tests.WriteJson&lt;LargeStructWithProperties&gt;.SerializeToWriter

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 10.15748785443723 > 9.985928052776165.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -13.044798576249272 (T) = (0 -10071.834811675524) / Math.Sqrt((27707.664738318148 / (17)) + (20447.27352019697 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.06544887327321894 = (9453.137606437496 - 10071.834811675524) / 9453.137606437496 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [5108757b997c59ab8ba1fc5309ab0d4e730e2b77](https://github.com/dotnet/runtime/commit/5108757b997c59ab8ba1fc5309ab0d4e730e2b77)
Compare | [f4b715f1cfadcbf85486f369724528c051be5733](https://github.com/dotnet/runtime/commit/f4b715f1cfadcbf85486f369724528c051be5733)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5108757b997c59ab8ba1fc5309ab0d4e730e2b77...f4b715f1cfadcbf85486f369724528c051be5733)


### Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 16.25 μs | 17.90 μs | 1.10 | 0.01 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%2010).html>) | 18.89 μs | 20.36 μs | 1.08 | 0.02 | False | | |
[WriteBasicUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 24.75 μs | 26.23 μs | 1.06 | 0.01 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%2010).html>) | 22.35 μs | 24.84 μs | 1.11 | 0.01 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 20.13 μs | 22.51 μs | 1.12 | 0.01 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_Regression/System.Text.Json.Tests.Perf_Basic.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Basic*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 10 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9338>)
* [[Perf] Alpine/x64: 12 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9318>)
* [[Perf] Windows/x64: 6 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9307>)
* [[Perf] Linux/x64: 8 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/runtime/issues/77731>)
#### Improvements
* [[Perf] Linux/x64: 2 Improvements on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9331>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0ad4eaff-3edd-418b-bd55-008046fdacf1bbffc0e757b49fb89/46450b5a-e77e-43b3-8942-cadc5b6ac794.zip?sv=2021-08-06&se=2022-11-24T05%3A47%3A38Z&sr=c&sp=rl&sig=KIHsf3d%2FF50yetlKMTPb4mHZi1g9pe4x3csAjQSC7X4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8e7b17e8-5e0d-4e13-98b1-e18a691b36cbd7db88dab49403593/8e998ddd-a16a-49c9-8e61-d6988974e708.zip?sv=2021-08-06&se=2022-11-24T17%3A01%3A25Z&sr=c&sp=rl&sig=%2BK1%2FtwaaObaGyZmCxuxbevYBb5hkUaaxbVG8So8c02M%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted- True, SkipValidation- True, DataSize- 10).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 17.902326265822786 > 17.14194749621426.
IsChangePoint: Marked as a change because one of 9/29/2022 2:21:18 AM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -31.105614245218444 (T) = (0 -17953.49814965238) / Math.Sqrt((19346.585536737144 / (17)) + (60763.163649546346 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.1044466868436562 = (16255.649424745705 - 17953.49814965238) / 16255.649424745705 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 20.359874935064934 > 19.386733686675964.
IsChangePoint: Marked as a change because one of 8/1/2022 7:13:37 AM, 9/28/2022 3:03:11 PM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -33.191956791538665 (T) = (0 -20501.92277317971) / Math.Sqrt((31730.47750758405 / (17)) + (58696.33175182631 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.10833492775041258 = (18497.94882382031 - 20501.92277317971) / 18497.94882382031 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: True, DataSize: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 26.234555380190795 > 26.173459437346875.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 10/11/2022 6:23:40 AM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -18.00649235855272 (T) = (0 -26476.134668056748) / Math.Sqrt((93229.82347592567 / (17)) + (48623.01857560135 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.06014028559320689 = (24974.180330522853 - 26476.134668056748) / 24974.180330522853 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: False, DataSize: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 24.838309457878317 > 23.65651468309981.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -33.75569406426363 (T) = (0 -24778.52065851309) / Math.Sqrt((36782.3931539832 / (17)) + (91267.76898931882 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.10576171703332714 = (22408.553557987103 - 24778.52065851309) / 22408.553557987103 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: True, DataSize: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionWindowed: Marked as regression because 22.510799984990395 > 21.27181506395416.
IsChangePoint: Marked as a change because one of 9/28/2022 6:26:25 AM, 10/25/2022 8:17:52 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -30.958734795514125 (T) = (0 -22404.84826363995) / Math.Sqrt((35513.839481844814 / (17)) + (94331.73153853828 / (33))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (33) - 2, .025) and -0.10765725440473084 = (20227.23922453846 - 22404.84826363995) / 20227.23922453846 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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>




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[Perf] Linux/x64: 6 Regressions on 10/25/2022 12:27:43 PM #9347

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToWriter

Description of detection logic

Docs

Regressions in System.Text.Json.Tests.Perf_Basic

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 10)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Architecture	x64
OS	ubuntu 18.04
Baseline	5108757b997c59ab8ba1fc5309ab0d4e730e2b77
Compare	f4b715f1cfadcbf85486f369724528c051be5733
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteBasicUtf16 - Duration of single invocation	16.25 μs	17.90 μs	1.10	0.01	False
WriteBasicUtf16 - Duration of single invocation	18.89 μs	20.36 μs	1.08	0.02	False
WriteBasicUtf8 - Duration of single invocation	24.75 μs	26.23 μs	1.06	0.01	False
WriteBasicUtf16 - Duration of single invocation	22.35 μs	24.84 μs	1.11	0.01	False
WriteBasicUtf16 - Duration of single invocation	20.13 μs	22.51 μs	1.12	0.01	False

[Perf] Linux/x64: 6 Regressions on 10/25/2022 12:27:43 PM #9347

Description

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToWriter

Description of detection logic

Docs

Regressions in System.Text.Json.Tests.Perf_Basic

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 10)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions