[Perf] Changes at 3/17/2022 11:24:40 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SquareRootBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tests.Perf_VectorOf(Int32).SquareRootBenchmark.html>) | 17.58 ns | 16.55 ns | 0.94 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Numerics.Tests.Perf_VectorOf(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Numerics.Tests.Perf_VectorOf(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.SquareRootBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 16.554757138428847 < 16.706015610659417.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 21.019370594404055 (T) = (0 -15.95763017083663) / Math.Sqrt((0.1616294064999156 / (170)) + (0.09044411330990544 / (18))) is greater than 1.9728001139952875 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (170) + (18) - 2, .975) and 0.09241130872914859 = (17.582447119842307 - 15.95763017083663) / 17.582447119842307 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Text.Json.Tests.Perf_Reader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadSingleSpanSequenceEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json4KB).html>) | 6.25 μs | 5.55 μs | 0.89 | 0.02 | False | | |
[ReadMultiSpanSequenceEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20DeepTree).html>) | 12.33 μs | 11.54 μs | 0.94 | 0.00 | False | | |
[ReadReturnBytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20True%2c%20TestCase%3a%20BroadTree).html>) | 11.12 μs | 9.86 μs | 0.89 | 0.02 | False | | |
[ReadSpanEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json4KB).html>) | 6.03 μs | 5.37 μs | 0.89 | 0.01 | False | | |
[ReadSingleSpanSequenceEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20HelloWorld).html>) | 126.60 ns | 117.53 ns | 0.93 | 0.01 | False | | |
[ReadMultiSpanSequenceEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20BroadTree).html>) | 17.11 μs | 15.74 μs | 0.92 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader_6.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Tests.Perf_Reader.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_Reader*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 5.551768018018017 < 5.926229735235667.
IsChangePoint: Marked as a change because one of 2/8/2022 5:20:12 PM, 2/19/2022 11:51:48 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 56.93319914290109 (T) = (0 -5539.6876120516245) / Math.Sqrt((21665.071600079904 / (299)) + (936.0952907696674 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.10286327544061188 = (6174.853241876079 - 5539.6876120516245) / 6174.853241876079 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: DeepTree)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 11.540485985916575 < 11.752832052688978.
IsChangePoint: Marked as a change because one of 2/3/2022 10:14:29 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 22.06643742166797 (T) = (0 -11794.769272487909) / Math.Sqrt((11850.154431635086 / (299)) + (15563.677755922072 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.053262802094854296 = (12458.335109876643 - 11794.769272487909) / 12458.335109876643 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: BroadTree)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 9.856135401548137 < 10.528504413100002.
IsChangePoint: Marked as a change because one of 2/1/2022 8:13:55 AM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 23.622387278306906 (T) = (0 -10122.609524586826) / Math.Sqrt((37792.54416648731 / (299)) + (28527.529772447233 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.0880372194090987 = (11099.805540340074 - 10122.609524586826) / 11099.805540340074 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 5.365364780415091 < 5.714108779182342.
IsChangePoint: Marked as a change because one of 3/3/2022 7:35:51 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 63.224934496382026 (T) = (0 -5363.165006203291) / Math.Sqrt((18880.351601861545 / (299)) + (1842.6106135893697 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.13169113185874115 = (6176.563666433494 - 5363.165006203291) / 6176.563666433494 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 117.5315937175253 < 120.330655493205.
IsChangePoint: Marked as a change because one of 2/3/2022 10:14:29 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 45.83557614087597 (T) = (0 -118.65781720999588) / Math.Sqrt((8.29912501923317 / (299)) + (0.4490544931296403 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.08145668116972103 = (129.18042598263187 - 118.65781720999588) / 129.18042598263187 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: BroadTree)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 15.744445563458594 < 16.134442639520334.
IsChangePoint: Marked as a change because one of 2/1/2022 8:13:55 AM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 26.74152403564988 (T) = (0 -15787.851295405999) / Math.Sqrt((104430.83001145754 / (299)) + (25947.421965827503 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.06688384311785231 = (16919.49193995148 - 15787.851295405999) / 16919.49193995148 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Memory.ReadOnlySequence

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>) | 59.72 ns | 54.59 ns | 0.91 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Memory.ReadOnlySequence_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Memory.ReadOnlySequence.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.ReadOnlySequence*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 54.587170621264356 < 56.17968383300961.
IsChangePoint: Marked as a change because one of 2/7/2022 7:01:56 PM, 3/7/2022 10:45:01 PM, 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 27.453783934676984 (T) = (0 -55.223097692235925) / Math.Sqrt((6.461339904115026 / (299)) + (0.4775503432056187 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.09834998958440933 = (61.24671109001858 - 55.223097692235925) / 61.24671109001858 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20LotsOfNumbers).html>) | 6.70 μs | 6.21 μs | 0.93 | 0.00 | False | | |
[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20BroadTree).html>) | 33.85 μs | 31.10 μs | 0.92 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Document.Tests.Perf_ParseThenWrite_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Document.Tests.Perf_ParseThenWrite_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Document.Tests.Perf_ParseThenWrite.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_ParseThenWrite*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: LotsOfNumbers)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 6.208050652404985 < 6.353410345591179.
IsChangePoint: Marked as a change because one of 1/28/2022 6:30:08 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 25.091281218424424 (T) = (0 -6236.649343328205) / Math.Sqrt((12340.67198074131 / (299)) + (2556.5404651410545 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.0516561843335292 = (6576.358953683115 - 6236.649343328205) / 6576.358953683115 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: BroadTree)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 31.103239390193654 < 32.04225141257814.
IsChangePoint: Marked as a change because one of 2/3/2022 10:14:29 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 18.20204016033657 (T) = (0 -31710.49151842977) / Math.Sqrt((135094.98731410247 / (299)) + (179904.5566683824 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.05541700412816427 = (33570.88964867663 - 31710.49151842977) / 33570.88964867663 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in MicroBenchmarks.Serializers.Json_FromStream&lt;MyEventsListerViewModel&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.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/MicroBenchmarks.Serializers.Json_FromStream(MyEventsListerViewModel).DataContractJsonSerializer_.html>) | 3.44 ms | 3.04 ms | 0.88 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/MicroBenchmarks.Serializers.Json_FromStream(MyEventsListerViewModel)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/MicroBenchmarks.Serializers.Json_FromStream(MyEventsListerViewModel).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Json_FromStream&lt;MyEventsListerViewModel&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### MicroBenchmarks.Serializers.Json_FromStream&lt;MyEventsListerViewModel&gt;.DataContractJsonSerializer_

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 3.0426386991869925 < 3.1770781066924068.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 21.79312978274459 (T) = (0 -3087309.767880334) / Math.Sqrt((2392821900.001763 / (299)) + (2144507618.1805644 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.07372644399572159 = (3333043.1899602604 - 3087309.767880334) / 3333043.1899602604 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in PerfLabTests.CastingPerf2.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ScalarValueTypeObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/PerfLabTests.CastingPerf2.CastingPerf.ScalarValueTypeObj.html>) | 467.74 μs | 374.20 μs | 0.80 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/PerfLabTests.CastingPerf2.CastingPerf_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/PerfLabTests.CastingPerf2.CastingPerf.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'PerfLabTests.CastingPerf2.CastingPerf*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### PerfLabTests.CastingPerf2.CastingPerf.ScalarValueTypeObj

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 374.1961309523809 < 444.35514049369743.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 7055.713620995293 (T) = (0 -374207.33816585754) / Math.Sqrt((14063.699920641104 / (299)) + (2315.6639870096546 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.1999463925664517 = (467727.83059657516 - 374207.33816585754) / 467727.83059657516 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[MatchesWords - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWords(Options%3a%20None).html>) | 77.93 μs | 63.27 μs | 0.81 | 0.01 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWords(Options: None)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 63.267496190959896 < 73.07768309590115.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 43.85161211377051 (T) = (0 -65628.87698921865) / Math.Sqrt((1799365.329751168 / (299)) + (1328606.2871632732 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.15880639854504333 = (78018.75439340569 - 65628.87698921865) / 78018.75439340569 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Xml.Linq.Perf_XElement

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateElementWithNamespace - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Xml.Linq.Perf_XElement.CreateElementWithNamespace.html>) | 89.74 ns | 79.31 ns | 0.88 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Xml.Linq.Perf_XElement_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Xml.Linq.Perf_XElement.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Xml.Linq.Perf_XElement*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Xml.Linq.Perf_XElement.CreateElementWithNamespace

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 79.30733506262119 < 84.35948757538644.
IsChangePoint: Marked as a change because one of 2/5/2022 8:17:17 PM, 3/4/2022 6:17:23 AM, 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 13.152715257288577 (T) = (0 -77.77341033416123) / Math.Sqrt((5.924392758616491 / (299)) + (2.9470270449735607 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.06755684204873998 = (83.40820528410863 - 77.77341033416123) / 83.40820528410863 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Memory.ReadOnlySpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%22%2c%20value%3a%20%22x%22%2c%20comparisonType%3a%20OrdinalIgnoreCase).html>) | 238.54 ns | 218.05 ns | 0.91 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Memory.ReadOnlySpan_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Memory.ReadOnlySpan.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.ReadOnlySpan*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "x", comparisonType: OrdinalIgnoreCase)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 218.04983680507775 < 226.61565306432746.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 245.63794734034894 (T) = (0 -217.7803977319733) / Math.Sqrt((0.23660074301290349 / (299)) + (0.11600413719322263 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.08754601049081093 = (238.6754841733092 - 217.7803977319733) / 238.6754841733092 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[DotBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tests.Perf_VectorOf(SByte).DotBenchmark.html>) | 149.38 ns | 106.38 ns | 0.71 | 0.07 | False | | |
[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tests.Perf_VectorOf(SByte).GetHashCodeBenchmark.html>) | 124.40 ns | 109.43 ns | 0.88 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Numerics.Tests.Perf_VectorOf(SByte)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Numerics.Tests.Perf_VectorOf(SByte)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Numerics.Tests.Perf_VectorOf(SByte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;.DotBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 106.37980177382353 < 141.51654080503062.
IsChangePoint: Marked as a change because one of 2/4/2022 1:40:45 AM, 2/23/2022 2:01:04 AM, 3/4/2022 3:52:45 PM, 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 22.449554431778033 (T) = (0 -105.53708400447884) / Math.Sqrt((220.5254379452198 / (254)) + (0.17637410414690632 / (18))) is greater than 1.968789021834149 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (254) + (18) - 2, .975) and 0.16619456837843438 = (126.57279504552129 - 105.53708400447884) / 126.57279504552129 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;SByte&gt;.GetHashCodeBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 109.4332133567641 < 118.19747423091593.
IsChangePoint: Marked as a change because one of 2/4/2022 6:00:25 PM, 2/7/2022 2:49:00 PM, 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 7.587512765695804 (T) = (0 -110.41316530548266) / Math.Sqrt((77.58722499079457 / (254)) + (5.549829269453942 / (18))) is greater than 1.968789021834149 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (254) + (18) - 2, .975) and 0.05108731643182754 = (116.3575608351011 - 110.41316530548266) / 116.3575608351011 is greater than 0.05.
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 10.0.18362
Baseline | [c032e0d89f5fc90b596b67a37684ee3c05c6b3ea](https://github.com/dotnet/runtime/commit/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea)
Compare | [5371203d5820a21922357e954e8c43eb4b76fd1d](https://github.com/dotnet/runtime/commit/5371203d5820a21922357e954e8c43eb4b76fd1d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c032e0d89f5fc90b596b67a37684ee3c05c6b3ea...5371203d5820a21922357e954e8c43eb4b76fd1d)


### Improvements in System.Text.Json.Document.Tests.Perf_DocumentParse

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented%3a%20True%2c%20TestRandomAccess%3a%20False%2c%20TestCase%3a%20Json400B).html>) | 1.63 μs | 1.54 μs | 0.94 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Document.Tests.Perf_DocumentParse_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Text.Json.Document.Tests.Perf_DocumentParse.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_DocumentParse*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0cf17489-0f60-438d-8dbd-7711a3a185a7adadfaedfb74fb1af/03581935-d84f-4b8e-b10e-8b11633c6b15.zip?sv=2019-07-07&se=2022-04-16T16%3A33%3A18Z&sr=c&sp=rl&sig=et7fKo0a1oDayXC0MuYLDYyJHOBDLa2LqUAtz983Xiw%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-304636cf-9c7c-44f6-9971-314a411c450bad6be698dd34fdfba/de94f30b-a515-4124-bb67-0be85fbad6f8.zip?sv=2019-07-07&se=2022-04-17T06%3A21%3A35Z&sr=c&sp=rl&sig=UVSVH03b%2BT1eqd%2BBb%2BuxhJoUnGSpun4mthyUQMx7MD0%3D>)
### Histogram

#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: False, TestCase: Json400B)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.5352765213121795 < 1.549574396821219.
IsChangePoint: Marked as a change because one of 1/28/2022 6:30:08 PM, 3/17/2022 6:54:53 PM, 3/22/2022 2:14:22 AM falls between 3/13/2022 11:50:20 AM and 3/22/2022 2:14:22 AM.
IsImprovementStdDev: Marked as improvement because 29.87658412438519 (T) = (0 -1534.7688970416343) / Math.Sqrt((563.0582186158472 / (299)) + (143.7365421508863 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.05762829763909287 = (1628.6237088789965 - 1534.7688970416343) / 1628.6237088789965 is greater than 0.05.
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 10.0.18362
Baseline	c032e0d89f5fc90b596b67a37684ee3c05c6b3ea
Compare	5371203d5820a21922357e954e8c43eb4b76fd1d
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	6.25 μs	5.55 μs	0.89	0.02	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	12.33 μs	11.54 μs	0.94	0.00	False
ReadReturnBytes - Duration of single invocation	11.12 μs	9.86 μs	0.89	0.02	False
ReadSpanEmptyLoop - Duration of single invocation	6.03 μs	5.37 μs	0.89	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	126.60 ns	117.53 ns	0.93	0.01	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	17.11 μs	15.74 μs	0.92	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ParseThenWrite - Duration of single invocation	6.70 μs	6.21 μs	0.93	0.00	False
ParseThenWrite - Duration of single invocation	33.85 μs	31.10 μs	0.92	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DotBenchmark - Duration of single invocation	149.38 ns	106.38 ns	0.71	0.07	False
GetHashCodeBenchmark - Duration of single invocation	124.40 ns	109.43 ns	0.88	0.07	False

[Perf] Changes at 3/17/2022 11:24:40 PM #4226

Description

Run Information

Improvements in System.Numerics.Tests.Perf_VectorOf<Int32>

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_VectorOf<Int32>.SquareRootBenchmark

Description of detection logic

Docs

Improvements in System.Text.Json.Tests.Perf_Reader

Repro

Payloads

Histogram

System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

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

Run Information

Improvements in System.Memory.ReadOnlySequence

Repro

Payloads

Histogram

System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple)

Description of detection logic

Docs

Run Information

Improvements in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Repro

Payloads

Histogram

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: LotsOfNumbers)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in MicroBenchmarks.Serializers.Json_FromStream<MyEventsListerViewModel>

Repro

Payloads

Histogram

MicroBenchmarks.Serializers.Json_FromStream<MyEventsListerViewModel>.DataContractJsonSerializer_

Description of detection logic

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Improvements in PerfLabTests.CastingPerf2.CastingPerf

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PerfLabTests.CastingPerf2.CastingPerf.ScalarValueTypeObj

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Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWords(Options: None)

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Improvements in System.Xml.Linq.Perf_XElement

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System.Xml.Linq.Perf_XElement.CreateElementWithNamespace

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Improvements in System.Memory.ReadOnlySpan

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System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "x", comparisonType: OrdinalIgnoreCase)

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