[Perf] Changes at 1/5/2022 11:37:43 PM

### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [70065c1b180ebe66dcf68ce03a47e54c23135d79](https://github.com/dotnet/runtime/commit/70065c1b180ebe66dcf68ce03a47e54c23135d79)
Compare | [abb7df59eb4f8c813c07ddd6f46f94e59604577d](https://github.com/dotnet/runtime/commit/abb7df59eb4f8c813c07ddd6f46f94e59604577d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/70065c1b180ebe66dcf68ce03a47e54c23135d79...abb7df59eb4f8c813c07ddd6f46f94e59604577d)


### Improvements in System.Collections.Concurrent.AddRemoveFromSameThreads&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ConcurrentStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Collections.Concurrent.AddRemoveFromSameThreads(Int32).ConcurrentStack(Size%3a%202000000).html>) | 271.02 ms | 206.88 ms | 0.76 | 0.01 | True | | |
[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Collections.Concurrent.AddRemoveFromSameThreads(Int32).ConcurrentBag(Size%3a%202000000).html>) | 375.89 ms | 348.20 ms | 0.93 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.AddRemoveFromSameThreads(Int32)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.AddRemoveFromSameThreads(Int32)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.AddRemoveFromSameThreads(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Concurrent.AddRemoveFromSameThreads&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0aa9415f-72b3-4069-b642-643281f22e842bac28b104c4bcb89/cfac18ec-d205-43f3-bb94-4fa1b9445b66.zip?sv=2019-07-07&se=2022-02-04T16%3A44%3A13Z&sr=c&sp=rl&sig=zxqWXjJsJjoBNveBaaZVvsT02C3P7%2FNNgv8Vru3HRqI%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-c29fb366-9bc2-4d69-b637-1b8556cb6d83e23da90875f4b03be/9ac1efff-a619-44c3-a71f-728d04813126.zip?sv=2019-07-07&se=2022-02-05T08%3A13%3A06Z&sr=c&sp=rl&sig=i79UzEhX1E2pvH6Rk9f158iLEx1T8iwYjEHXOR%2FeWaE%3D>)
### Histogram

#### System.Collections.Concurrent.AddRemoveFromSameThreads&lt;Int32&gt;.ConcurrentStack(Size: 2000000)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 16.67948171180381 (T) = (0 -215443465.83333334) / Math.Sqrt((10546042819398.842 / (299)) + (95493177328510.33 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.21127829658274336 = (273155239.5476019 - 215443465.83333334) / 273155239.5476019 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Collections.Concurrent.AddRemoveFromSameThreads&lt;Int32&gt;.ConcurrentBag(Size: 2000000)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 79.06356046101595 (T) = (0 -348663795.66620874) / Math.Sqrt((2438879688158.7295 / (299)) + (970959441663.8026 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.07545326945332011 = (377118629.2120092 - 348663795.66620874) / 377118629.2120092 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>
### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [70065c1b180ebe66dcf68ce03a47e54c23135d79](https://github.com/dotnet/runtime/commit/70065c1b180ebe66dcf68ce03a47e54c23135d79)
Compare | [abb7df59eb4f8c813c07ddd6f46f94e59604577d](https://github.com/dotnet/runtime/commit/abb7df59eb4f8c813c07ddd6f46f94e59604577d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/70065c1b180ebe66dcf68ce03a47e54c23135d79...abb7df59eb4f8c813c07ddd6f46f94e59604577d)


### Improvements in System.Collections.Concurrent.Count&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_arm64_Windows 10.0.19041/System.Collections.Concurrent.Count(Int32).Queue(Size%3a%20512).html>) | 12.59 ns | 5.72 ns | 0.45 | 0.07 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.Count(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.Count(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Concurrent.Count&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0aa9415f-72b3-4069-b642-643281f22e842bac28b104c4bcb89/cfac18ec-d205-43f3-bb94-4fa1b9445b66.zip?sv=2019-07-07&se=2022-02-04T16%3A44%3A13Z&sr=c&sp=rl&sig=zxqWXjJsJjoBNveBaaZVvsT02C3P7%2FNNgv8Vru3HRqI%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-c29fb366-9bc2-4d69-b637-1b8556cb6d83e23da90875f4b03be/9ac1efff-a619-44c3-a71f-728d04813126.zip?sv=2019-07-07&se=2022-02-05T08%3A13%3A06Z&sr=c&sp=rl&sig=i79UzEhX1E2pvH6Rk9f158iLEx1T8iwYjEHXOR%2FeWaE%3D>)
### Histogram

#### System.Collections.Concurrent.Count&lt;Int32&gt;.Queue(Size: 512)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 176.103931468525 (T) = (0 -5.654123445769828) / Math.Sqrt((0.08495375148919211 / (299)) + (0.010836976491446562 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.5576864764089658 = (12.7830670874935 - 5.654123445769828) / 12.7830670874935 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [70065c1b180ebe66dcf68ce03a47e54c23135d79](https://github.com/dotnet/runtime/commit/70065c1b180ebe66dcf68ce03a47e54c23135d79)
Compare | [abb7df59eb4f8c813c07ddd6f46f94e59604577d](https://github.com/dotnet/runtime/commit/abb7df59eb4f8c813c07ddd6f46f94e59604577d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/70065c1b180ebe66dcf68ce03a47e54c23135d79...abb7df59eb4f8c813c07ddd6f46f94e59604577d)


### Improvements in System.Collections.CtorFromCollection&lt;String&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_arm64_Windows 10.0.19041/System.Collections.CtorFromCollection(String).ConcurrentBag(Size%3a%20512).html>) | 27.69 μs | 22.26 μs | 0.80 | 0.01 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.CtorFromCollection(String)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.CtorFromCollection(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0aa9415f-72b3-4069-b642-643281f22e842bac28b104c4bcb89/cfac18ec-d205-43f3-bb94-4fa1b9445b66.zip?sv=2019-07-07&se=2022-02-04T16%3A44%3A13Z&sr=c&sp=rl&sig=zxqWXjJsJjoBNveBaaZVvsT02C3P7%2FNNgv8Vru3HRqI%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-c29fb366-9bc2-4d69-b637-1b8556cb6d83e23da90875f4b03be/9ac1efff-a619-44c3-a71f-728d04813126.zip?sv=2019-07-07&se=2022-02-05T08%3A13%3A06Z&sr=c&sp=rl&sig=i79UzEhX1E2pvH6Rk9f158iLEx1T8iwYjEHXOR%2FeWaE%3D>)
### Histogram

#### System.Collections.CtorFromCollection&lt;String&gt;.ConcurrentBag(Size: 512)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 12.787278352807247 (T) = (0 -19400.039240822825) / Math.Sqrt((20194.143552133308 / (299)) + (3355232.232347668 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.2991803402211076 = (27681.92782568844 - 19400.039240822825) / 27681.92782568844 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [70065c1b180ebe66dcf68ce03a47e54c23135d79](https://github.com/dotnet/runtime/commit/70065c1b180ebe66dcf68ce03a47e54c23135d79)
Compare | [abb7df59eb4f8c813c07ddd6f46f94e59604577d](https://github.com/dotnet/runtime/commit/abb7df59eb4f8c813c07ddd6f46f94e59604577d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/70065c1b180ebe66dcf68ce03a47e54c23135d79...abb7df59eb4f8c813c07ddd6f46f94e59604577d)


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CastToSameType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Linq.Tests.Perf_Enumerable.CastToSameType(input%3a%20IEnumerable).html>) | 924.66 ns | 721.65 ns | 0.78 | 0.19 | False | | |
[Reverse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Linq.Tests.Perf_Enumerable.Reverse(input%3a%20IEnumerable).html>) | 1.76 μs | 1.52 μs | 0.87 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Linq.Tests.Perf_Enumerable.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_Enumerable*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0aa9415f-72b3-4069-b642-643281f22e842bac28b104c4bcb89/cfac18ec-d205-43f3-bb94-4fa1b9445b66.zip?sv=2019-07-07&se=2022-02-04T16%3A44%3A13Z&sr=c&sp=rl&sig=zxqWXjJsJjoBNveBaaZVvsT02C3P7%2FNNgv8Vru3HRqI%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-c29fb366-9bc2-4d69-b637-1b8556cb6d83e23da90875f4b03be/9ac1efff-a619-44c3-a71f-728d04813126.zip?sv=2019-07-07&se=2022-02-05T08%3A13%3A06Z&sr=c&sp=rl&sig=i79UzEhX1E2pvH6Rk9f158iLEx1T8iwYjEHXOR%2FeWaE%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.CastToSameType(input: IEnumerable)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 11/13/2021 7:30:09 PM, 11/14/2021 9:27:23 PM, 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 17.367621436107566 (T) = (0 -735.6843592021042) / Math.Sqrt((3382.2786564589946 / (299)) + (1106.5902015446243 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.22407213142223642 = (948.134986504063 - 735.6843592021042) / 948.134986504063 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Reverse(input: IEnumerable)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 12/7/2021 2:09:29 PM, 12/8/2021 2:58:05 AM, 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 32.919980304971006 (T) = (0 -1524.822385350095) / Math.Sqrt((3594.218187031065 / (299)) + (353.76514803907315 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.13934672045501095 = (1771.7034508440372 - 1524.822385350095) / 1771.7034508440372 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [70065c1b180ebe66dcf68ce03a47e54c23135d79](https://github.com/dotnet/runtime/commit/70065c1b180ebe66dcf68ce03a47e54c23135d79)
Compare | [abb7df59eb4f8c813c07ddd6f46f94e59604577d](https://github.com/dotnet/runtime/commit/abb7df59eb4f8c813c07ddd6f46f94e59604577d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/70065c1b180ebe66dcf68ce03a47e54c23135d79...abb7df59eb4f8c813c07ddd6f46f94e59604577d)


### Improvements in System.Collections.Concurrent.Count&lt;String&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_arm64_Windows 10.0.19041/System.Collections.Concurrent.Count(String).Queue(Size%3a%20512).html>) | 13.46 ns | 7.23 ns | 0.54 | 0.04 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.Count(String)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_19_2022/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Collections.Concurrent.Count(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Concurrent.Count&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0aa9415f-72b3-4069-b642-643281f22e842bac28b104c4bcb89/cfac18ec-d205-43f3-bb94-4fa1b9445b66.zip?sv=2019-07-07&se=2022-02-04T16%3A44%3A13Z&sr=c&sp=rl&sig=zxqWXjJsJjoBNveBaaZVvsT02C3P7%2FNNgv8Vru3HRqI%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-c29fb366-9bc2-4d69-b637-1b8556cb6d83e23da90875f4b03be/9ac1efff-a619-44c3-a71f-728d04813126.zip?sv=2019-07-07&se=2022-02-05T08%3A13%3A06Z&sr=c&sp=rl&sig=i79UzEhX1E2pvH6Rk9f158iLEx1T8iwYjEHXOR%2FeWaE%3D>)
### Histogram

#### System.Collections.Concurrent.Count&lt;String&gt;.Queue(Size: 512)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/5/2022 6:46:20 PM, 1/11/2022 6:41:22 PM falls between 1/3/2022 4:56:39 AM and 1/11/2022 6:41:22 PM.
IsImprovementStdDev: Marked as improvement because 162.30410568234697 (T) = (0 -7.422319921367619) / Math.Sqrt((0.08810113342015431 / (299)) + (0.008679943105738509 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.448190567333139 = (13.450875396413585 - 7.422319921367619) / 13.450875396413585 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>




Architecture	arm64
OS	Windows 10.0.19041
Baseline	70065c1b180ebe66dcf68ce03a47e54c23135d79
Compare	abb7df59eb4f8c813c07ddd6f46f94e59604577d
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ConcurrentStack - Duration of single invocation	271.02 ms	206.88 ms	0.76	0.01	True
ConcurrentBag - Duration of single invocation	375.89 ms	348.20 ms	0.93	0.00	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
CastToSameType - Duration of single invocation	924.66 ns	721.65 ns	0.78	0.19	False
Reverse - Duration of single invocation	1.76 μs	1.52 μs	0.87	0.12	False

[Perf] Changes at 1/5/2022 11:37:43 PM #2977

Description

Run Information

Improvements in System.Collections.Concurrent.AddRemoveFromSameThreads<Int32>

Repro

Payloads

Histogram

System.Collections.Concurrent.AddRemoveFromSameThreads<Int32>.ConcurrentStack(Size: 2000000)

Description of detection logic

Description of detection logic

Docs

Improvements in System.Collections.Concurrent.Count<Int32>

Repro

Payloads

Histogram

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

Description of detection logic

Docs

Run Information

Improvements in System.Collections.CtorFromCollection<String>

Repro

Payloads

Histogram

System.Collections.CtorFromCollection<String>.ConcurrentBag(Size: 512)

Description of detection logic

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

Payloads

Histogram

System.Linq.Tests.Perf_Enumerable.CastToSameType(input: IEnumerable)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Collections.Concurrent.Count<String>

Repro

Payloads

Histogram

System.Collections.Concurrent.Count<String>.Queue(Size: 512)

Description of detection logic

Docs

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