Regressions in MicroBenchmarks.Serializers.Xml_FromStream

### Run Information

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [334989f6cc0600f9c12e9fa989dc1814c8300d1d](https://github.com/dotnet/runtime/commit/334989f6cc0600f9c12e9fa989dc1814c8300d1d)
Compare | [8626da3cc62d940513141b7c58c3495a87bb2bba](https://github.com/dotnet/runtime/commit/8626da3cc62d940513141b7c58c3495a87bb2bba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/334989f6cc0600f9c12e9fa989dc1814c8300d1d...8626da3cc62d940513141b7c58c3495a87bb2bba)


### Regressions in MicroBenchmarks.Serializers.Xml_FromStream&lt;SimpleStructWithProperties&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[DataContractSerializer_ - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/MicroBenchmarks.Serializers.Xml_FromStream(SimpleStructWithProperties).DataContractSerializer_.html>) | 8.83 μs | 9.63 μs | 1.09 | 0.38 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/05_26_2022/refs/heads/main_arm64_ubuntu%2018.04_Regression/MicroBenchmarks.Serializers.Xml_FromStream(SimpleStructWithProperties)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/05_26_2022/refs/heads/main_arm64_ubuntu%2018.04_Regression/MicroBenchmarks.Serializers.Xml_FromStream(SimpleStructWithProperties).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Xml_FromStream&lt;SimpleStructWithProperties&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-4ac9fd7a-6f9a-4e15-970b-43336eb5687fad9b8d351624760b5/7b895800-0b66-4c42-9aba-0db57370b3d9.zip?sv=2019-07-07&se=2022-06-19T04%3A16%3A56Z&sr=c&sp=rl&sig=ZPzAO83uMP13IgQj7KRXLXKhOwsvn5IzXvHGIsVVQJ8%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e6addbee-a16c-4f6d-8a1a-afb807aaf5e82f61940af084a32a7/0ed1ce9d-0c0a-4aa3-bc0d-42d69606574d.zip?sv=2019-07-07&se=2022-06-19T20%3A54%3A10Z&sr=c&sp=rl&sig=pKPPiqmgDpvQTkmirMIgJznPfEL%2FvmQdyd13Cm14nZo%3D>)
### Histogram

#### MicroBenchmarks.Serializers.Xml_FromStream&lt;SimpleStructWithProperties&gt;.DataContractSerializer_

```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.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.63240612988184 > 9.252880439142293.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 5/20/2022 7:26:52 AM, 5/26/2022 4:44:18 AM falls between 5/17/2022 2:28:28 PM and 5/26/2022 4:44:18 AM.
IsRegressionStdDev: Marked as regression because -14.15975450263905 (T) = (0 -9791.560434343146) / Math.Sqrt((2380.9791169829336 / (19)) + (108102.47519884912 / (23))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (23) - 2, .025) and -0.11167310099712986 = (8807.949410272207 - 9791.560434343146) / 8807.949410272207 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.

```

### 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 | arm64
-- | --
OS | ubuntu 18.04
Baseline | [334989f6cc0600f9c12e9fa989dc1814c8300d1d](https://github.com/dotnet/runtime/commit/334989f6cc0600f9c12e9fa989dc1814c8300d1d)
Compare | [8626da3cc62d940513141b7c58c3495a87bb2bba](https://github.com/dotnet/runtime/commit/8626da3cc62d940513141b7c58c3495a87bb2bba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/334989f6cc0600f9c12e9fa989dc1814c8300d1d...8626da3cc62d940513141b7c58c3495a87bb2bba)


### Regressions in MicroBenchmarks.Serializers.Json_FromStream&lt;LoginViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[DataContractJsonSerializer_ - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/MicroBenchmarks.Serializers.Json_FromStream(LoginViewModel).DataContractJsonSerializer_.html>) | 16.79 μs | 18.64 μs | 1.11 | 0.24 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/05_26_2022/refs/heads/main_arm64_ubuntu%2018.04_Regression/MicroBenchmarks.Serializers.Json_FromStream(LoginViewModel)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/05_26_2022/refs/heads/main_arm64_ubuntu%2018.04_Regression/MicroBenchmarks.Serializers.Json_FromStream(LoginViewModel).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Json_FromStream&lt;LoginViewModel&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-4ac9fd7a-6f9a-4e15-970b-43336eb5687fad9b8d351624760b5/7b895800-0b66-4c42-9aba-0db57370b3d9.zip?sv=2019-07-07&se=2022-06-19T04%3A16%3A56Z&sr=c&sp=rl&sig=ZPzAO83uMP13IgQj7KRXLXKhOwsvn5IzXvHGIsVVQJ8%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e6addbee-a16c-4f6d-8a1a-afb807aaf5e82f61940af084a32a7/0ed1ce9d-0c0a-4aa3-bc0d-42d69606574d.zip?sv=2019-07-07&se=2022-06-19T20%3A54%3A10Z&sr=c&sp=rl&sig=pKPPiqmgDpvQTkmirMIgJznPfEL%2FvmQdyd13Cm14nZo%3D>)
### Histogram

#### MicroBenchmarks.Serializers.Json_FromStream&lt;LoginViewModel&gt;.DataContractJsonSerializer_

```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.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 18.636491856455297 > 17.5581706128025.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 5/20/2022 7:26:52 AM, 5/26/2022 4:44:18 AM falls between 5/17/2022 2:28:28 PM and 5/26/2022 4:44:18 AM.
IsRegressionStdDev: Marked as regression because -13.413048981135882 (T) = (0 -19548.663232683353) / Math.Sqrt((249503.4124652317 / (19)) + (582236.2114925911 / (23))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (19) + (23) - 2, .025) and -0.15544941396592 = (16918.66644822232 - 19548.663232683353) / 16918.66644822232 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.

```

### 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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Regressions in MicroBenchmarks.Serializers.Xml_FromStream #70030

Run Information