[Perf] Changes at 4/8/2022 8:59:46 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.ContainsKeyFalse(Int32%2c%20Int32).ImmutableDictionary(Size%3a%20512).html>) | 24.17 μs | 26.22 μs | 1.08 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.ContainsKeyFalse(Int32,%20Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.ContainsKeyFalse(Int32,%20Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;.ImmutableDictionary(Size: 512)

```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 26.222932209930544 > 25.25924379029418.
IsChangePoint: Marked as a change because one of 3/7/2022 10:45:01 PM, 3/11/2022 8:42:43 PM, 3/21/2022 1:28:14 PM, 3/23/2022 6:35:24 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -33.13322634367094 (T) = (0 -26194.832335236242) / Math.Sqrt((16980.837561018365 / (39)) + (65952.09843920812 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.0881224660590953 = (24073.42293933817 - 26194.832335236242) / 24073.42293933817 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.IterateForEach&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.IterateForEach(Int32).ConcurrentBag(Size%3a%20512).html>) | 2.14 μs | 2.49 μs | 1.16 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateForEach(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateForEach(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateForEach&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.IterateForEach&lt;Int32&gt;.ConcurrentBag(Size: 512)

```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 2.4930842014102157 > 2.2449272418560535.
IsChangePoint: Marked as a change because one of 3/3/2022 7:35:51 PM, 3/11/2022 8:42:43 PM, 3/23/2022 6:35:24 PM, 3/29/2022 11:07:04 AM, 3/30/2022 6:37:35 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -70.44286894837911 (T) = (0 -2495.333820793321) / Math.Sqrt((968.7619655387663 / (39)) + (3.1703155392944633 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.16440848707366165 = (2143.005524688746 - 2495.333820793321) / 2143.005524688746 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IterateGetPositionSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionSingleSegment.html>) | 32.93 ns | 35.27 ns | 1.07 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Buffers.Tests.ReadOnlySequenceTests(Char)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Buffers.Tests.ReadOnlySequenceTests(Char).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionSingleSegment

```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 35.27249963223523 > 34.58420222384465.
IsChangePoint: Marked as a change because one of 3/21/2022 1:28:14 PM, 3/23/2022 6:35:24 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -15.834575901314098 (T) = (0 -34.85541144276243) / Math.Sqrt((0.2389035291315352 / (39)) + (0.10070296015102535 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.05172600629783976 = (33.141152005412785 - 34.85541144276243) / 33.141152005412785 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Char_ToLowerInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_Char.Char_ToLowerInvariant(input%3a%20%22Hello%20World!%22).html>) | 22.45 ns | 29.28 ns | 1.30 | 0.08 | False | | |
[Char_ToUpperInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_Char.Char_ToUpperInvariant(input%3a%20%22Hello%20World!%22).html>) | 33.09 ns | 37.04 ns | 1.12 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_Char_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_Char_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_Char.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_Char*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Tests.Perf_Char.Char_ToLowerInvariant(input: "Hello World!")

```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 29.27720794595902 > 23.783293586902115.
IsChangePoint: Marked as a change because one of 2/19/2022 11:51:48 PM, 2/24/2022 10:17:16 AM, 3/4/2022 3:52:45 PM, 3/11/2022 8:42:43 PM, 3/31/2022 1:45:25 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -122.19227935359008 (T) = (0 -29.33356670733879) / Math.Sqrt((0.07683104693362362 / (39)) + (0.01596188379132147 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.2864184013977807 = (22.802508635966248 - 29.33356670733879) / 22.802508635966248 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.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

```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 37.03828763176484 > 34.81715721542249.
IsChangePoint: Marked as a change because one of 2/19/2022 11:51:48 PM, 2/23/2022 5:12:02 AM, 3/16/2022 12:48:00 PM, 3/21/2022 1:28:14 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -133.42685412240755 (T) = (0 -37.0531314665092) / Math.Sqrt((0.016902597752947876 / (39)) + (0.007777958102332498 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.11849136122943592 = (33.12777617323814 - 37.0531314665092) / 33.12777617323814 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.CtorFromCollectionNonGeneric(Int32).Queue(Size%3a%20512).html>) | 29.17 μs | 31.40 μs | 1.08 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.CtorFromCollectionNonGeneric(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.CtorFromCollectionNonGeneric(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.CtorFromCollectionNonGeneric&lt;Int32&gt;.Queue(Size: 512)

```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 31.402713462639568 > 30.442382035450507.
IsChangePoint: Marked as a change because one of 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -11.96348823909402 (T) = (0 -31390.121849613748) / Math.Sqrt((1219808.6472099978 / (39)) + (116715.47999533376 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.0799845400953987 = (29065.343700976453 - 31390.121849613748) / 29065.343700976453 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Linq.Tests.Perf_OrderBy

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[OrderByValueType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Linq.Tests.Perf_OrderBy.OrderByValueType(NumberOfPeople%3a%20512).html>) | 54.44 μs | 57.48 μs | 1.06 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Linq.Tests.Perf_OrderBy_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Linq.Tests.Perf_OrderBy.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_OrderBy*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Linq.Tests.Perf_OrderBy.OrderByValueType(NumberOfPeople: 512)

```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 57.482879792542015 > 57.25308219410163.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/23/2022 6:35:24 PM, 3/29/2022 11:07:04 AM, 3/31/2022 1:45:25 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -60.71499059062252 (T) = (0 -57433.543226083646) / Math.Sqrt((57904.73452049728 / (39)) + (10126.865132610692 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.050235659808586006 = (54686.33890849924 - 57433.543226083646) / 54686.33890849924 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.IterateForNonGeneric&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ArrayList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.IterateForNonGeneric(Int32).ArrayList(Size%3a%20512).html>) | 1.45 μs | 1.61 μs | 1.11 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateForNonGeneric(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateForNonGeneric(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateForNonGeneric&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.IterateForNonGeneric&lt;Int32&gt;.ArrayList(Size: 512)

```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 1.6085317357895048 > 1.524575460310654.
IsChangePoint: Marked as a change because one of 2/4/2022 6:00:25 PM, 2/12/2022 12:09:13 AM, 2/19/2022 11:51:48 PM, 3/4/2022 3:52:45 PM, 3/7/2022 10:45:01 PM, 3/11/2022 8:42:43 PM, 3/23/2022 3:13:36 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -12.047675136062567 (T) = (0 -1608.1628730034784) / Math.Sqrt((5235.722749420881 / (39)) + (0.24785821064339852 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.0950579892306685 = (1468.5641206392102 - 1608.1628730034784) / 1468.5641206392102 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.CreateAddAndClear&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.CreateAddAndClear(String).Stack(Size%3a%20512).html>) | 2.84 μs | 3.31 μs | 1.17 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.CreateAddAndClear(String)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.CreateAddAndClear(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CreateAddAndClear&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.CreateAddAndClear&lt;String&gt;.Stack(Size: 512)

```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 3.3129564521741752 > 2.983069160348327.
IsChangePoint: Marked as a change because one of 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -19.149407454553266 (T) = (0 -3283.4104539573236) / Math.Sqrt((6786.216701386223 / (39)) + (3636.233110815095 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.12751361846411774 = (2912.0805285083266 - 3283.4104539573236) / 2912.0805285083266 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%c2%a92020%2c512).html>) | 83.66 ns | 90.31 ns | 1.08 | 0.08 | False | | |
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>) | 108.58 ns | 115.86 ns | 1.07 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,512)

```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 90.31272499811051 > 87.74520586030843.
IsChangePoint: Marked as a change because one of 2/21/2022 2:16:42 PM, 3/3/2022 7:35:51 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -12.321904327319015 (T) = (0 -92.1991133668373) / Math.Sqrt((2.994037618511004 / (39)) + (4.64236409287772 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.08379386223687786 = (85.0707100117217 - 92.1991133668373) / 85.0707100117217 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.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,512)

```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 115.86048335006498 > 114.39500547051426.
IsChangePoint: Marked as a change because one of 2/26/2022 10:27:55 AM, 3/29/2022 11:07:04 AM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -9.689921666491882 (T) = (0 -116.15381376850921) / Math.Sqrt((1.4565102635441782 / (39)) + (8.543542226116443 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.06348139040908804 = (109.2203538454288 - 116.15381376850921) / 109.2203538454288 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.IO.Tests.StreamReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>) | 21.53 μs | 27.05 μs | 1.26 | 0.01 | False | | |
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>) | 21.46 μs | 25.90 μs | 1.21 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StreamReaderReadLineTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StreamReaderReadLineTests_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StreamReaderReadLineTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.StreamReaderReadLineTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

```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 27.047377409297052 > 22.556814918478338.
IsChangePoint: Marked as a change because one of 2/24/2022 10:17:16 AM, 3/17/2022 6:54:53 PM, 3/23/2022 6:35:24 PM, 3/30/2022 6:37:35 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -51.2063026531744 (T) = (0 -26141.089020456988) / Math.Sqrt((45832.41946916701 / (39)) + (144546.44028967695 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.23143960805798175 = (21228.072289864293 - 26141.089020456988) / 21228.072289864293 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.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [   0, 1024])

```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 25.89828390993959 > 22.658561493612716.
IsChangePoint: Marked as a change because one of 2/24/2022 10:17:16 AM, 3/23/2022 6:35:24 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -69.48965885335853 (T) = (0 -25904.05210476315) / Math.Sqrt((44912.81545588085 / (39)) + (49328.05893952455 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.2009939397796785 = (21568.844976449447 - 25904.05210476315) / 21568.844976449447 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Memory.Span&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.Span(Byte).LastIndexOfValue(Size%3a%20512).html>) | 13.03 ns | 15.44 ns | 1.18 | 0.49 | False | | |
[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.Span(Byte).SequenceEqual(Size%3a%20512).html>) | 13.22 ns | 14.74 ns | 1.12 | 0.10 | False | | |
[BinarySearch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.Span(Byte).BinarySearch(Size%3a%20512).html>) | 13.13 ns | 16.35 ns | 1.25 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Byte)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Byte)_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Byte)_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Byte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span&lt;Byte&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Memory.Span&lt;Byte&gt;.LastIndexOfValue(Size: 512)

```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 15.439962444559955 > 14.900140201401067.
IsChangePoint: Marked as a change because one of 2/19/2022 11:51:48 PM, 2/24/2022 10:17:16 AM, 3/11/2022 8:42:43 PM, 3/21/2022 1:28:14 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -10.24844448484873 (T) = (0 -15.30584233759866) / Math.Sqrt((1.4595934210259047 / (39)) + (0.32538490567838196 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.1872894185671829 = (12.891416446774791 - 15.30584233759866) / 12.891416446774791 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.Memory.Span&lt;Byte&gt;.SequenceEqual(Size: 512)

```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 14.73969601972988 > 13.902668539397569.
IsChangePoint: Marked as a change because one of 3/11/2022 8:42:43 PM, 3/17/2022 6:54:53 PM, 4/4/2022 8:14:13 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -17.571482898430887 (T) = (0 -14.57997749063767) / Math.Sqrt((0.03204914487118026 / (17)) + (0.14470823956598625 / (40))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (40) - 2, .025) and -0.09817995995997533 = (13.27649203430106 - 14.57997749063767) / 13.27649203430106 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.Memory.Span&lt;Byte&gt;.BinarySearch(Size: 512)

```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 16.352312156389807 > 13.360557518355241.
IsChangePoint: Marked as a change because one of 2/8/2022 5:20:12 PM, 2/19/2022 11:51:48 PM, 2/25/2022 11:02:46 PM, 3/17/2022 6:54:53 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -78.98468015637509 (T) = (0 -16.154763871463985) / Math.Sqrt((0.027376226211249174 / (39)) + (0.019334620340563147 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.2595276796908698 = (12.826049107097752 - 16.154763871463985) / 12.826049107097752 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 | x64
-- | --
OS | Windows 10.0.18362
Baseline | [dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053](https://github.com/dotnet/runtime/commit/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053)
Compare | [285b8259af30e255980b1ebfb2ddd60ca291a83a](https://github.com/dotnet/runtime/commit/285b8259af30e255980b1ebfb2ddd60ca291a83a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053...285b8259af30e255980b1ebfb2ddd60ca291a83a)


### Regressions in System.Collections.Tests.Perf_PriorityQueue&lt;Guid, Guid&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[HeapSort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Tests.Perf_PriorityQueue(Guid%2c%20Guid).HeapSort(Size%3a%2010).html>) | 255.00 ns | 277.85 ns | 1.09 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_PriorityQueue(Guid,%20Guid)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_12_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_PriorityQueue(Guid,%20Guid).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_PriorityQueue&lt;Guid, Guid&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-3640a328-bad6-4c81-ab9f-ba7af7320a5c15ea6d204124ed584/319eb3c0-e8be-42ea-ba8d-95d31a2644b6.zip?sv=2019-07-07&se=2022-05-08T16%3A32%3A34Z&sr=c&sp=rl&sig=HMjOZmi2NEnxXhYxzZ2cDNZrIWEVpsISfk1YO0jNHUM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e69425a5-782b-478b-a26c-312427a0198c97546aebb7e438ca3/bb213b7f-3b39-4a84-aeff-6be5827cd040.zip?sv=2019-07-07&se=2022-05-09T05%3A03%3A08Z&sr=c&sp=rl&sig=4tGes%2FMXz3ybSUMGfzNVbt3OAHoEXiZSdJMSEBW%2BFAw%3D>)
### Histogram

#### System.Collections.Tests.Perf_PriorityQueue&lt;Guid, Guid&gt;.HeapSort(Size: 10)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 277.848078601306 > 268.22308977882767.
IsChangePoint: Marked as a change because one of 2/10/2022 7:02:09 PM, 2/25/2022 7:19:51 AM, 3/17/2022 6:54:53 PM, 4/8/2022 7:02:49 PM, 4/12/2022 5:02:33 PM falls between 4/4/2022 4:14:58 AM and 4/12/2022 5:02:33 PM.
IsRegressionStdDev: Marked as regression because -49.29452651722794 (T) = (0 -278.60089842069203) / Math.Sqrt((6.220631268190085 / (39)) + (0.7268071445043258 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.08589982822028323 = (256.56224559617084 - 278.60089842069203) / 256.56224559617084 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	x64
OS	Windows 10.0.18362
Baseline	dee2bb50f12e5d6ef16eee7ed944b0fb7ef27053
Compare	285b8259af30e255980b1ebfb2ddd60ca291a83a
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Char_ToLowerInvariant - Duration of single invocation	22.45 ns	29.28 ns	1.30	0.08	False
Char_ToUpperInvariant - Duration of single invocation	33.09 ns	37.04 ns	1.12	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
EncodeUtf16 - Duration of single invocation	83.66 ns	90.31 ns	1.08	0.08	False
EncodeUtf16 - Duration of single invocation	108.58 ns	115.86 ns	1.07	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadLineAsync - Duration of single invocation	21.53 μs	27.05 μs	1.26	0.01	False
ReadLineAsync - Duration of single invocation	21.46 μs	25.90 μs	1.21	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
LastIndexOfValue - Duration of single invocation	13.03 ns	15.44 ns	1.18	0.49	False
SequenceEqual - Duration of single invocation	13.22 ns	14.74 ns	1.12	0.10	False
BinarySearch - Duration of single invocation	13.13 ns	16.35 ns	1.25	0.09	False

[Perf] Changes at 4/8/2022 8:59:46 PM #4576

Description

Run Information

Regressions in System.Collections.ContainsKeyFalse<Int32, Int32>

Repro

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System.Collections.ContainsKeyFalse<Int32, Int32>.ImmutableDictionary(Size: 512)

Description of detection logic

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Regressions in System.Collections.IterateForEach<Int32>

Repro

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System.Collections.IterateForEach<Int32>.ConcurrentBag(Size: 512)

Description of detection logic

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Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

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System.Buffers.Tests.ReadOnlySequenceTests<Char>.IterateGetPositionSingleSegment

Description of detection logic

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Regressions in System.Tests.Perf_Char

Repro

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System.Tests.Perf_Char.Char_ToLowerInvariant(input: "Hello World!")

Description of detection logic

Description of detection logic

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Regressions in System.Collections.CtorFromCollectionNonGeneric<Int32>

Repro

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System.Collections.CtorFromCollectionNonGeneric<Int32>.Queue(Size: 512)

Description of detection logic

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Regressions in System.Linq.Tests.Perf_OrderBy

Repro

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System.Linq.Tests.Perf_OrderBy.OrderByValueType(NumberOfPeople: 512)

Description of detection logic

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Regressions in System.Collections.IterateForNonGeneric<Int32>

Repro

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Histogram

System.Collections.IterateForNonGeneric<Int32>.ArrayList(Size: 512)

Description of detection logic

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Regressions in System.Collections.CreateAddAndClear<String>

Repro

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System.Collections.CreateAddAndClear<String>.Stack(Size: 512)

Description of detection logic

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Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Repro

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System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,512)

Description of detection logic

Description of detection logic

Docs

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Regressions in System.IO.Tests.StreamReaderReadLineTests

Repro

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Histogram