[Perf] Linux/x64: 16 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.Tests.Perf_Deep

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteDeepUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 156.29 ms | 181.40 ms | 1.16 | 0.07 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 158.30 ms | 182.39 ms | 1.15 | 0.08 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 157.01 ms | 178.96 ms | 1.14 | 0.07 | False | | |
[WriteDeepUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>) | 221.61 ms | 242.45 ms | 1.09 | 0.05 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>) | 229.64 ms | 256.12 ms | 1.12 | 0.05 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>) | 218.87 ms | 244.57 ms | 1.12 | 0.03 | False | | |
[WriteDeepUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 160.84 ms | 176.35 ms | 1.10 | 0.07 | False | | |
[WriteDeepUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>) | 228.02 ms | 248.70 ms | 1.09 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep_8.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Deep.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_Deep*'
```

### 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-6de374d5-2a1b-4fa8-90b0-896cdf4471f0abcccd67cf5490c9c/55ef7149-213d-4dfb-b9ea-123c5ed2e9c3.zip?sv=2021-08-06&se=2022-11-24T05%3A40%3A18Z&sr=c&sp=rl&sig=VvMxoNFgj9rgzlcD%2BEK0eYeYzy9o3MYp1zQRTZpmvQE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9a780f27-2928-4bec-b672-3cb1612ceb5041acb80a73d48668c/aad1b9d5-2fbb-4766-8f86-6764c352d4e6.zip?sv=2021-08-06&se=2022-11-24T16%3A55%3A04Z&sr=c&sp=rl&sig=SMZiDLPdqqk%2FGdB4Y%2BYrKzNaxWuDssh%2FZCOV%2BOD5KNQ%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_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted- True, SkipValidation- False).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted: False, SkipValidation: True)

```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 181.4025332666667 > 165.10432737750003.
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 -12.730118726691016 (T) = (0 -177627947.62315705) / Math.Sqrt((25145502862929.207 / (16)) + (22077450265597.863 / (32))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (32) - 2, .025) and -0.12079439124918166 = (158483972.62693453 - 177627947.62315705) / 158483972.62693453 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_Deep.WriteDeepUtf16(Formatted: False, SkipValidation: False)

```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 182.39180006666666 > 169.39084374875.
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 -17.147014652861767 (T) = (0 -181879220.80663916) / Math.Sqrt((9743062111010.861 / (18)) + (21749730496637.664 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.11628727112063215 = (162932271.56845748 - 181879220.80663916) / 162932271.56845748 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_Deep.WriteDeepUtf16(Formatted: False, SkipValidation: True)

```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 178.95980006666667 > 165.0394725875.
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 -29.096501415455688 (T) = (0 -175693248.1886561) / Math.Sqrt((4369484011735.772 / (18)) + (5441452296464.042 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.119072316129109 = (156999012.1785714 - 175693248.1886561) / 156999012.1785714 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_Deep.WriteDeepUtf8(Formatted: True, SkipValidation: True)

```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 242.450286 > 237.74803486000002.
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 -9.874788420832006 (T) = (0 -243540867.7759387) / Math.Sqrt((57103903602629.26 / (17)) + (9719656280876.713 / (32))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (32) - 2, .025) and -0.08412844093616019 = (224642079.83109245 - 243540867.7759387) / 224642079.83109245 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_Deep.WriteDeepUtf16(Formatted: True, SkipValidation: False)

```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 256.11533346666664 > 242.71116991750003.
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 -15.604314163255978 (T) = (0 -252066672.66551054) / Math.Sqrt((17761421477942.746 / (18)) + (27828119807127.043 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.09211501289302602 = (230805977.10838425 - 252066672.66551054) / 230805977.10838425 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_Deep.WriteDeepUtf16(Formatted: True, SkipValidation: True)

```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 244.57299992857142 > 235.39876496500003.
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 -21.360300687514 (T) = (0 -243926042.1212572) / Math.Sqrt((8746423671390.809 / (18)) + (12851379593724.625 / (31))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (31) - 2, .025) and -0.09062772730944726 = (223656556.69053724 - 243926042.1212572) / 223656556.69053724 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_Deep.WriteDeepUtf8(Formatted: False, SkipValidation: False)

```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 176.35300006666665 > 171.57472498250002.
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 -21.692704454606208 (T) = (0 -182492575.65745193) / Math.Sqrt((8551487064024.531 / (18)) + (10669847484362.49 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.11967536355546314 = (162987042.1351038 - 182492575.65745193) / 162987042.1351038 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_Deep.WriteDeepUtf8(Formatted: True, SkipValidation: False)

```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 248.69819986666667 > 241.52587754500004.
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 -20.555596699493368 (T) = (0 -250077848.99360195) / Math.Sqrt((8880338732630.1 / (16)) + (13233718180576.586 / (30))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (30) - 2, .025) and -0.08936995964638648 = (229561910.3309753 - 250077848.99360195) / 229561910.3309753 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 | [9b16818a302881d1c5f0bd3a52eed3c7490d70c9](https://github.com/dotnet/runtime/commit/9b16818a302881d1c5f0bd3a52eed3c7490d70c9)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5108757b997c59ab8ba1fc5309ab0d4e730e2b77...9b16818a302881d1c5f0bd3a52eed3c7490d70c9)


### 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_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%2010).html>) | 33.21 μs | 37.49 μs | 1.13 | 0.02 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 30.50 μs | 33.69 μs | 1.10 | 0.03 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 36.78 μs | 41.74 μs | 1.13 | 0.03 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%2010).html>) | 40.02 μs | 44.00 μs | 1.10 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Basic_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Basic_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Basic_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Basic_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_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-6de374d5-2a1b-4fa8-90b0-896cdf4471f0abcccd67cf5490c9c/55ef7149-213d-4dfb-b9ea-123c5ed2e9c3.zip?sv=2021-08-06&se=2022-11-24T05%3A40%3A18Z&sr=c&sp=rl&sig=VvMxoNFgj9rgzlcD%2BEK0eYeYzy9o3MYp1zQRTZpmvQE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-155dc5a5-5cce-4e8c-86e6-f2274d280ce6af8fd87891c48e0ba/d8b3ffd7-f82b-45e4-8747-c09c51716c45.zip?sv=2021-08-06&se=2022-11-24T20%3A36%3A03Z&sr=c&sp=rl&sig=EIbV7fPrHCk%2FPwXvv6jsD6VvEJebw9thrUNVl7kvsHA%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_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted- True, SkipValidation- False, 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: 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 37.49456129807693 > 35.492205920149075.
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 -21.52568191514628 (T) = (0 -37240.027056488594) / Math.Sqrt((173529.9779146468 / (16)) + (544643.2371887707 / (31))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (31) - 2, .025) and -0.10795452876697358 = (33611.51210594579 - 37240.027056488594) / 33611.51210594579 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: 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 33.68758077406609 > 31.885670207394657.
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 -28.079474251666795 (T) = (0 -33316.688791517015) / Math.Sqrt((98060.36879282937 / (16)) + (151504.37546498244 / (31))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (31) - 2, .025) and -0.09704269515167678 = (30369.54617970512 - 33316.688791517015) / 30369.54617970512 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 41.740910115384615 > 39.56678506075032.
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 -28.176753646917657 (T) = (0 -41352.90969431516) / Math.Sqrt((199402.59391198252 / (17)) + (247236.56230973825 / (31))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (31) - 2, .025) and -0.10576318944329803 = (37397.618304814874 - 41352.90969431516) / 37397.618304814874 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 44.00369700704225 > 42.75481096914997.
IsChangePoint: Marked as a change because one of 9/13/2022 10:08:53 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 -32.994321832931874 (T) = (0 -44500.014068105695) / Math.Sqrt((149037.3753302558 / (17)) + (181109.0515459693 / (32))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (32) - 2, .025) and -0.09776165432985003 = (40537.045443868774 - 44500.014068105695) / 40537.045443868774 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_Strings

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteStringsUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20NoneEscaped).html>) | 343.44 ms | 374.90 ms | 1.09 | 0.08 | False | | |
[WriteStringsUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 323.66 ms | 368.66 ms | 1.14 | 0.05 | False | | |
[WriteStringsUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 342.89 ms | 374.60 ms | 1.09 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Strings_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Strings_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Strings_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Tests.Perf_Strings.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_Strings*'
```

### 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-6de374d5-2a1b-4fa8-90b0-896cdf4471f0abcccd67cf5490c9c/55ef7149-213d-4dfb-b9ea-123c5ed2e9c3.zip?sv=2021-08-06&se=2022-11-24T05%3A40%3A18Z&sr=c&sp=rl&sig=VvMxoNFgj9rgzlcD%2BEK0eYeYzy9o3MYp1zQRTZpmvQE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9a780f27-2928-4bec-b672-3cb1612ceb5041acb80a73d48668c/aad1b9d5-2fbb-4766-8f86-6764c352d4e6.zip?sv=2021-08-06&se=2022-11-24T16%3A55%3A04Z&sr=c&sp=rl&sig=SMZiDLPdqqk%2FGdB4Y%2BYrKzNaxWuDssh%2FZCOV%2BOD5KNQ%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_CompliationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted- True, SkipValidation- False, Escaped- NoneEscaped).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

```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 374.8988666 > 357.411387595.
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 -38.96776793005455 (T) = (0 -373706778.96272886) / Math.Sqrt((5715098670355.824 / (18)) + (14987045024160.7 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.10185155098601865 = (339162547.46686 - 373706778.96272886) / 339162547.46686 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_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: False, Escaped: NoneEscaped)

```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 368.6604616923077 > 340.40615006999997.
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 -28.552435180461153 (T) = (0 -360122366.3991475) / Math.Sqrt((3311968442904.6084 / (18)) + (37875023968037.805 / (29))) is less than -2.0141033888794695 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (29) - 2, .025) and -0.10715146755343427 = (325269285.14572644 - 360122366.3991475) / 325269285.14572644 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_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

```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 374.6034287142857 > 361.84071014.
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 -29.604143956400023 (T) = (0 -375937763.6382554) / Math.Sqrt((8791447327746.645 / (17)) + (20977603753356.027 / (32))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (32) - 2, .025) and -0.09322642736071408 = (343879139.9745529 - 375937763.6382554) / 343879139.9745529 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.Serialization.Tests.WriteJson&lt;SimpleStructWithProperties&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToUtf8Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Text.Json.Serialization.Tests.WriteJson(SimpleStructWithProperties).SerializeToUtf8Bytes.html>) | 9.76 μs | 10.47 μs | 1.07 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Serialization.Tests.WriteJson(SimpleStructWithProperties)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Text.Json.Serialization.Tests.WriteJson(SimpleStructWithProperties).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;SimpleStructWithProperties&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-6de374d5-2a1b-4fa8-90b0-896cdf4471f0abcccd67cf5490c9c/55ef7149-213d-4dfb-b9ea-123c5ed2e9c3.zip?sv=2021-08-06&se=2022-11-24T05%3A40%3A18Z&sr=c&sp=rl&sig=VvMxoNFgj9rgzlcD%2BEK0eYeYzy9o3MYp1zQRTZpmvQE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9a780f27-2928-4bec-b672-3cb1612ceb5041acb80a73d48668c/aad1b9d5-2fbb-4766-8f86-6764c352d4e6.zip?sv=2021-08-06&se=2022-11-24T16%3A55%3A04Z&sr=c&sp=rl&sig=SMZiDLPdqqk%2FGdB4Y%2BYrKzNaxWuDssh%2FZCOV%2BOD5KNQ%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_CompliationMode=wasm_RunKind=micro/System.Text.Json.Serialization.Tests.WriteJson-SimpleStructWithProperties-.SerializeToUtf8Bytes.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;SimpleStructWithProperties&gt;.SerializeToUtf8Bytes

```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 10.46924877598927 > 10.22539945318654.
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 -12.123410276181842 (T) = (0 -10201.708862609372) / Math.Sqrt((19925.62578265738 / (18)) + (18232.74514162876 / (32))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (32) - 2, .025) and -0.051150670333137305 = (9705.277416962672 - 10201.708862609372) / 9705.277416962672 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>




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

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteDeepUtf8 - Duration of single invocation	156.29 ms	181.40 ms	1.16	0.07	False
WriteDeepUtf16 - Duration of single invocation	158.30 ms	182.39 ms	1.15	0.08	False
WriteDeepUtf16 - Duration of single invocation	157.01 ms	178.96 ms	1.14	0.07	False
WriteDeepUtf8 - Duration of single invocation	221.61 ms	242.45 ms	1.09	0.05	False
WriteDeepUtf16 - Duration of single invocation	229.64 ms	256.12 ms	1.12	0.05	False
WriteDeepUtf16 - Duration of single invocation	218.87 ms	244.57 ms	1.12	0.03	False
WriteDeepUtf8 - Duration of single invocation	160.84 ms	176.35 ms	1.10	0.07	False
WriteDeepUtf8 - Duration of single invocation	228.02 ms	248.70 ms	1.09	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteBasicUtf16 - Duration of single invocation	33.21 μs	37.49 μs	1.13	0.02	False
WriteBasicUtf16 - Duration of single invocation	30.50 μs	33.69 μs	1.10	0.03	False
WriteBasicUtf16 - Duration of single invocation	36.78 μs	41.74 μs	1.13	0.03	False
WriteBasicUtf16 - Duration of single invocation	40.02 μs	44.00 μs	1.10	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteStringsUtf16 - Duration of single invocation	343.44 ms	374.90 ms	1.09	0.08	False
WriteStringsUtf16 - Duration of single invocation	323.66 ms	368.66 ms	1.14	0.05	False
WriteStringsUtf16 - Duration of single invocation	342.89 ms	374.60 ms	1.09	0.04	False

[Perf] Linux/x64: 16 Regressions on 10/25/2022 12:27:43 PM #9364

Description

Run Information

Regressions in System.Text.Json.Tests.Perf_Deep

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted: False, SkipValidation: True)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

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: False, DataSize: 10)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Text.Json.Tests.Perf_Strings

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

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

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToUtf8Bytes

Description of detection logic

Docs

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