[Perf] Changes at 4/19/2022 6:32:34 PM

### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [4479fa685e6305db0b35a10793018c9a12203f8a](https://github.com/dotnet/runtime/commit/4479fa685e6305db0b35a10793018c9a12203f8a)
Compare | [de0b85f2b1690355f05bf13d3a88b8828b9853b1](https://github.com/dotnet/runtime/commit/de0b85f2b1690355f05bf13d3a88b8828b9853b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4479fa685e6305db0b35a10793018c9a12203f8a...de0b85f2b1690355f05bf13d3a88b8828b9853b1)


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22%5ba-zA-Z%5d%2bing%22%2c%20Options%3a%20NonBacktracking).html>) | 8.19 ms | 9.44 ms | 1.15 | 0.02 | False | | |
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22%5b%5e%5cn%5d*%22%2c%20Options%3a%20NonBacktracking).html>) | 5.36 ms | 14.10 ms | 2.63 | 0.10 | False | | |
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fs).*%22%2c%20Options%3a%20NonBacktracking).html>) | 3.49 ms | 11.53 ms | 3.30 | 0.06 | True | | |
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22%5cb%5cw%2bn%5cb%22%2c%20Options%3a%20NonBacktracking).html>) | 10.80 ms | 14.01 ms | 1.30 | 0.14 | False | | |
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22.*%22%2c%20Options%3a%20NonBacktracking).html>) | 5.37 ms | 14.07 ms | 2.62 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.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_Industry_RustLang_Sherlock*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-38e7634f-2a3f-4915-ba47-04772893f1f1bbe43a1d2d3411ab3/322ae6d7-c46f-48a3-9748-5eb01109edc3.zip?sv=2019-07-07&se=2022-05-19T07%3A48%3A47Z&sr=c&sp=rl&sig=xV4CQ0p2ThrJWJx7gBAyNeE%2BltFNX%2BDbh21kGCnptuA%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3726f1bf-fefa-47fd-b8a8-250e59c9c2658a1a443d4b54ed299/714f9056-a6db-4194-a450-fe274b85b1ec.zip?sv=2019-07-07&se=2022-05-20T03%3A40%3A27Z&sr=c&sp=rl&sig=3YlAFfuRHhuNA3h2jKbrsAFL5cmFWlGvW5%2BD2q5Ettc%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "[a-zA-Z]+ing", Options: NonBacktracking)

```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 9.438429166666666 > 8.569553570099256.
IsChangePoint: Marked as a change because one of 2/11/2022 6:22:24 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -31.331820202147416 (T) = (0 -9498617.110507246) / Math.Sqrt((1793693901.143184 / (37)) + (7345162601.285064 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.16713858462318706 = (8138379.825369147 - 9498617.110507246) / 8138379.825369147 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.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "[^\n]*", Options: NonBacktracking)

```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 14.099398148148149 > 5.628152173913045.
IsChangePoint: Marked as a change because one of 2/8/2022 5:20:12 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -243.92932494681733 (T) = (0 -14036904.691098662) / Math.Sqrt((509907719.9014515 / (37)) + (5009011599.964903 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -1.6200161905996 = (5357564.102642536 - 14036904.691098662) / 5357564.102642536 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.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?s).*", Options: NonBacktracking)

```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 11.52722896825397 > 3.646781806866304.
IsChangePoint: Marked as a change because one of 2/12/2022 1:03:18 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -433.00176690373314 (T) = (0 -11502203.794460371) / Math.Sqrt((186583810.12673938 / (37)) + (1356460384.6060188 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -2.315353819349209 = (3469374.4382064804 - 11502203.794460371) / 3469374.4382064804 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 as regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\b\w+n\b", Options: NonBacktracking)

```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 14.0114575 > 11.277736053511704.
IsChangePoint: Marked as a change because one of 2/8/2022 11:58:21 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -12.991593936135224 (T) = (0 -13724210.080148287) / Math.Sqrt((109564731367.24792 / (37)) + (171501259501.07263 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.2541795692197603 = (10942779.181681518 - 13724210.080148287) / 10942779.181681518 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.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: ".*", Options: NonBacktracking)

```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 14.071451587301588 > 5.635017336956523.
IsChangePoint: Marked as a change because one of 2/8/2022 5:20:12 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -221.69869885471522 (T) = (0 -13992240.901505902) / Math.Sqrt((1448650548.0630503 / (37)) + (5895632842.523229 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -1.6063175785994759 = (5368586.321328016 - 13992240.901505902) / 5368586.321328016 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 | Windows 10.0.19041
Baseline | [4479fa685e6305db0b35a10793018c9a12203f8a](https://github.com/dotnet/runtime/commit/4479fa685e6305db0b35a10793018c9a12203f8a)
Compare | [de0b85f2b1690355f05bf13d3a88b8828b9853b1](https://github.com/dotnet/runtime/commit/de0b85f2b1690355f05bf13d3a88b8828b9853b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4479fa685e6305db0b35a10793018c9a12203f8a...de0b85f2b1690355f05bf13d3a88b8828b9853b1)


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%2013%2c%20Options%3a%20NonBacktracking).html>) | 214.16 ns | 258.01 ns | 1.20 | 0.09 | False | | |
[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%201%2c%20Options%3a%20NonBacktracking).html>) | 1.04 μs | 1.41 μs | 1.36 | 0.11 | False | | |
[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%2012%2c%20Options%3a%20NonBacktracking).html>) | 215.35 ns | 255.52 ns | 1.19 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.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_Industry_BoostDocs_Simple*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-38e7634f-2a3f-4915-ba47-04772893f1f1bbe43a1d2d3411ab3/322ae6d7-c46f-48a3-9748-5eb01109edc3.zip?sv=2019-07-07&se=2022-05-19T07%3A48%3A47Z&sr=c&sp=rl&sig=xV4CQ0p2ThrJWJx7gBAyNeE%2BltFNX%2BDbh21kGCnptuA%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3726f1bf-fefa-47fd-b8a8-250e59c9c2658a1a443d4b54ed299/714f9056-a6db-4194-a450-fe274b85b1ec.zip?sv=2019-07-07&se=2022-05-20T03%3A40%3A27Z&sr=c&sp=rl&sig=3YlAFfuRHhuNA3h2jKbrsAFL5cmFWlGvW5%2BD2q5Ettc%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 13, Options: NonBacktracking)

```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 258.0090478543951 > 224.72093359497737.
IsChangePoint: Marked as a change because one of 2/3/2022 7:42:52 AM, 2/22/2022 8:48:40 PM, 2/23/2022 1:54:47 PM, 3/17/2022 6:54:53 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -56.457742664488435 (T) = (0 -257.2736820828768) / Math.Sqrt((1.4175719599976917 / (37)) + (2.12097553735604 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.19827694522066105 = (214.70302262679368 - 257.2736820828768) / 214.70302262679368 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.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 1, Options: NonBacktracking)

```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 1.41201641494656 > 1.0981204635656698.
IsChangePoint: Marked as a change because one of 2/3/2022 8:57:20 PM, 2/23/2022 1:54:47 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -127.15337722023638 (T) = (0 -1407.810733511949) / Math.Sqrt((170.67782582735057 / (37)) + (14.364324191213603 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.3489814097068547 = (1043.6101812684567 - 1407.810733511949) / 1043.6101812684567 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.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 12, Options: NonBacktracking)

```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 255.51819542907583 > 225.16714196382003.
IsChangePoint: Marked as a change because one of 2/3/2022 7:42:52 AM, 2/26/2022 3:32:05 AM, 3/17/2022 6:54:53 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -46.04454872485018 (T) = (0 -257.1049063889669) / Math.Sqrt((2.298442441596505 / (37)) + (3.1417415554174704 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.19742396171760734 = (214.7150170773022 - 257.1049063889669) / 214.7150170773022 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 | Windows 10.0.19041
Baseline | [4479fa685e6305db0b35a10793018c9a12203f8a](https://github.com/dotnet/runtime/commit/4479fa685e6305db0b35a10793018c9a12203f8a)
Compare | [de0b85f2b1690355f05bf13d3a88b8828b9853b1](https://github.com/dotnet/runtime/commit/de0b85f2b1690355f05bf13d3a88b8828b9853b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4479fa685e6305db0b35a10793018c9a12203f8a...de0b85f2b1690355f05bf13d3a88b8828b9853b1)


### Regressions in System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[DeserializeFromUtf8Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.ReadJson(Int32).DeserializeFromUtf8Bytes.html>) | 95.62 ns | 131.08 ns | 1.37 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.Json.Serialization.Tests.ReadJson(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_20_2022/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Text.Json.Serialization.Tests.ReadJson(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-38e7634f-2a3f-4915-ba47-04772893f1f1bbe43a1d2d3411ab3/322ae6d7-c46f-48a3-9748-5eb01109edc3.zip?sv=2019-07-07&se=2022-05-19T07%3A48%3A47Z&sr=c&sp=rl&sig=xV4CQ0p2ThrJWJx7gBAyNeE%2BltFNX%2BDbh21kGCnptuA%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3726f1bf-fefa-47fd-b8a8-250e59c9c2658a1a443d4b54ed299/714f9056-a6db-4194-a450-fe274b85b1ec.zip?sv=2019-07-07&se=2022-05-20T03%3A40%3A27Z&sr=c&sp=rl&sig=3YlAFfuRHhuNA3h2jKbrsAFL5cmFWlGvW5%2BD2q5Ettc%3D>)
### Histogram

#### System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;.DeserializeFromUtf8Bytes

```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 131.08306581395738 > 100.35104836370388.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 4/19/2022 10:22:09 AM, 4/20/2022 10:05:23 PM falls between 4/12/2022 9:30:02 AM and 4/20/2022 10:05:23 PM.
IsRegressionStdDev: Marked as regression because -4.116563339647373 (T) = (0 -116.76657941983493) / Math.Sqrt((5.304925443311409 / (37)) + (93.91484410896258 / (4))) is less than -2.0226909200346674 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (4) - 2, .025) and -0.206777100058605 = (96.7590281702929 - 116.76657941983493) / 96.7590281702929 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>




Architecture	arm64
OS	Windows 10.0.19041
Baseline	4479fa685e6305db0b35a10793018c9a12203f8a
Compare	de0b85f2b1690355f05bf13d3a88b8828b9853b1
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Count - Duration of single invocation	8.19 ms	9.44 ms	1.15	0.02	False
Count - Duration of single invocation	5.36 ms	14.10 ms	2.63	0.10	False
Count - Duration of single invocation	3.49 ms	11.53 ms	3.30	0.06	True
Count - Duration of single invocation	10.80 ms	14.01 ms	1.30	0.14	False
Count - Duration of single invocation	5.37 ms	14.07 ms	2.62	0.12	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IsMatch - Duration of single invocation	214.16 ns	258.01 ns	1.20	0.09	False
IsMatch - Duration of single invocation	1.04 μs	1.41 μs	1.36	0.11	False
IsMatch - Duration of single invocation	215.35 ns	255.52 ns	1.19	0.06	False

[Perf] Changes at 4/19/2022 6:32:34 PM #4731

Description

Run Information

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "[a-zA-Z]+ing", Options: NonBacktracking)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 13, Options: NonBacktracking)

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.ReadJson<Int32>

Repro

Payloads

Histogram

System.Text.Json.Serialization.Tests.ReadJson<Int32>.DeserializeFromUtf8Bytes

Description of detection logic

Docs

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