[Perf] Windows/x64: 7 Regressions on 10/25/2022 12:27:43 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
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_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20DataSize%3a%2010).html>) | 891.21 ns | 949.21 ns | 1.07 | 0.04 | False | | |
[WriteBasicUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20DataSize%3a%2010).html>) | 848.10 ns | 915.21 ns | 1.08 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_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_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Basic_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Basic.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Basic*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9413>)
* [[Perf] Alpine/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9388>)
* [[Perf] Windows/x64: 6 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9380>)
* [[Perf] Linux/x64: 8 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/runtime/issues/77731>)
#### Improvements
* [[Perf] Windows/x64: 3 Improvements on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9403>)
* [[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-6cb35ddf-8d5e-481e-8003-5aa728681e4b05163ea29bf45d78a/65f8e13b-a799-4dbf-95ca-d550956ecb5f.zip?sv=2021-08-06&se=2022-11-24T05%3A59%3A28Z&sr=c&sp=rl&sig=Ks3Sa1VnEpd6%2Bz54H2x4oPs0jsIl6veZ6UAi%2BcJcOdQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-44e093f2-ea09-41be-9796-5370a03e2522915d5af9dc744cb9c/e7ab64c1-3066-4071-af46-7a9b746cbabc.zip?sv=2021-08-06&se=2022-11-24T17%3A15%3A51Z&sr=c&sp=rl&sig=ha7HpR8N%2BA4txse055C5xYVtup%2FlUsAGz1eMDHOFkKM%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_Windows 10.0.19042/amd/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: 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 949.2147514014134 > 940.0068051150469.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -22.422580298695127 (T) = (0 -951.7096492354435) / Math.Sqrt((55.66860440376942 / (19)) + (111.78511781004951 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.06294473658201595 = (895.3519562039907 - 951.7096492354435) / 895.3519562039907 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 915.2144381379795 > 891.2485808182577.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -7.994657054621247 (T) = (0 -909.4659434069454) / Math.Sqrt((608.1230664348213 / (19)) + (387.0310791058124 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.06172158638025719 = (856.5955096642622 - 909.4659434069454) / 856.5955096642622 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 | Windows 10.0.19042
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_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 6.82 ms | 7.34 ms | 1.08 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Strings_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Strings.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Strings*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9413>)
* [[Perf] Alpine/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9388>)
* [[Perf] Windows/x64: 6 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9380>)
* [[Perf] Linux/x64: 8 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/runtime/issues/77731>)
#### Improvements
* [[Perf] Windows/x64: 3 Improvements on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9403>)
* [[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-6cb35ddf-8d5e-481e-8003-5aa728681e4b05163ea29bf45d78a/65f8e13b-a799-4dbf-95ca-d550956ecb5f.zip?sv=2021-08-06&se=2022-11-24T05%3A59%3A28Z&sr=c&sp=rl&sig=Ks3Sa1VnEpd6%2Bz54H2x4oPs0jsIl6veZ6UAi%2BcJcOdQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-44e093f2-ea09-41be-9796-5370a03e2522915d5af9dc744cb9c/e7ab64c1-3066-4071-af46-7a9b746cbabc.zip?sv=2021-08-06&se=2022-11-24T17%3A15%3A51Z&sr=c&sp=rl&sig=ha7HpR8N%2BA4txse055C5xYVtup%2FlUsAGz1eMDHOFkKM%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted- False, 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: 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 7.3350139393939395 > 7.119729858585859.
IsChangePoint: Marked as a change because one of 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -22.63418842249305 (T) = (0 -7388989.713963993) / Math.Sqrt((11732914861.085526 / (19)) + (7376423522.784775 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.09749769364944429 = (6732578.80788234 - 7388989.713963993) / 6732578.80788234 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 | Windows 10.0.19042
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_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 4.26 ms | 4.69 ms | 1.10 | 0.14 | False | | |
[WriteDeepUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 4.49 ms | 4.88 ms | 1.09 | 0.41 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 4.20 ms | 4.67 ms | 1.11 | 0.02 | False | | |
[WriteDeepUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 4.33 ms | 4.93 ms | 1.14 | 0.37 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_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_Windows%2010.0.19042/amd_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_Windows%2010.0.19042/amd_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_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Deep_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Deep.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Deep*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9413>)
* [[Perf] Alpine/x64: 11 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9388>)
* [[Perf] Windows/x64: 6 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9380>)
* [[Perf] Linux/x64: 8 Regressions on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/runtime/issues/77731>)
#### Improvements
* [[Perf] Windows/x64: 3 Improvements on 10/25/2022 12:27:43 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9403>)
* [[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-6cb35ddf-8d5e-481e-8003-5aa728681e4b05163ea29bf45d78a/65f8e13b-a799-4dbf-95ca-d550956ecb5f.zip?sv=2021-08-06&se=2022-11-24T05%3A59%3A28Z&sr=c&sp=rl&sig=Ks3Sa1VnEpd6%2Bz54H2x4oPs0jsIl6veZ6UAi%2BcJcOdQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-44e093f2-ea09-41be-9796-5370a03e2522915d5af9dc744cb9c/e7ab64c1-3066-4071-af46-7a9b746cbabc.zip?sv=2021-08-06&se=2022-11-24T17%3A15%3A51Z&sr=c&sp=rl&sig=ha7HpR8N%2BA4txse055C5xYVtup%2FlUsAGz1eMDHOFkKM%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted- False, 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 4.694830062893082 > 4.383590147540984.
IsChangePoint: Marked as a change because one of 9/12/2022 12:30:55 AM, 9/12/2022 4:32:08 PM, 9/29/2022 7:42:19 AM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -16.88691530744569 (T) = (0 -4746526.217096403) / Math.Sqrt((4578301164.950006 / (19)) + (33649764028.719597 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.1445838718771823 = (4146944.8711625054 - 4746526.217096403) / 4146944.8711625054 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 4.880972829131653 > 4.595497236842106.
IsChangePoint: Marked as a change because one of 9/8/2022 11:29:08 PM, 10/10/2022 9:53:50 PM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -12.42650000831821 (T) = (0 -5407388.196774259) / Math.Sqrt((64261975070.34909 / (19)) + (86924151113.33223 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.21691241860997265 = (4443531.115370561 - 5407388.196774259) / 4443531.115370561 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 4.673801257861634 > 4.4003929685870276.
IsChangePoint: Marked as a change because one of 8/24/2022 2:39:26 AM, 9/3/2022 11:44:47 AM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -42.28656358859927 (T) = (0 -4678072.509339407) / Math.Sqrt((2379087833.5240636 / (19)) + (737104976.2759154 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.1233447151345498 = (4164414.045228393 - 4678072.509339407) / 4164414.045228393 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 4.9314011764705885 > 4.537332057017544.
IsChangePoint: Marked as a change because one of 9/9/2022 3:12:19 AM, 9/13/2022 12:23:36 PM, 9/29/2022 7:42:19 AM, 10/25/2022 8:17:52 AM, 11/1/2022 10:15:31 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 10:15:31 AM.
IsRegressionStdDev: Marked as regression because -17.988394779724985 (T) = (0 -5119272.103058663) / Math.Sqrt((890545861.9605262 / (19)) + (60129826569.67633 / (33))) is less than -2.0085591120996775 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (33) - 2, .025) and -0.17912060179071096 = (4341601.779567 - 5119272.103058663) / 4341601.779567 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	Windows 10.0.19042
Baseline	5108757b997c59ab8ba1fc5309ab0d4e730e2b77
Compare	f4b715f1cfadcbf85486f369724528c051be5733
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteBasicUtf16 - Duration of single invocation	891.21 ns	949.21 ns	1.07	0.04	False
WriteBasicUtf16 - Duration of single invocation	848.10 ns	915.21 ns	1.08	0.05	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteDeepUtf8 - Duration of single invocation	4.26 ms	4.69 ms	1.10	0.14	False
WriteDeepUtf8 - Duration of single invocation	4.49 ms	4.88 ms	1.09	0.41	False
WriteDeepUtf16 - Duration of single invocation	4.20 ms	4.67 ms	1.11	0.02	False
WriteDeepUtf16 - Duration of single invocation	4.33 ms	4.93 ms	1.14	0.37	False

[Perf] Windows/x64: 7 Regressions on 10/25/2022 12:27:43 PM #9428

Description

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Regressions in System.Text.Json.Tests.Perf_Basic

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

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Description of detection logic

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Regressions in System.Text.Json.Tests.Perf_Strings

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

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Regressions in System.Text.Json.Tests.Perf_Deep

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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

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