Perf regressions in Perf_Matrix benchmarks

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.IO.Tests.BinaryWriterTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteAsciiChar - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.BinaryWriterTests.WriteAsciiChar.html>) | 3.44 ns | 4.71 ns | 1.37 | 0.17 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.IO.Tests.BinaryWriterTests_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.IO.Tests.BinaryWriterTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.BinaryWriterTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.IO.Tests.BinaryWriterTests.WriteAsciiChar

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Numerics.Tests.Perf_Matrix3x2

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[InequalityOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.InequalityOperatorBenchmark.html>) | 6.33 ns | 12.21 ns | 1.93 | 0.07 | True | | |
[LerpBenchmark - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.LerpBenchmark.html>) | 8.16 ns | 13.30 ns | 1.63 | 0.04 | True | | |
[NegationOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.NegationOperatorBenchmark.html>) | 6.35 ns | 10.87 ns | 1.71 | 0.10 | False | | |
[AddBenchmark - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.AddBenchmark.html>) | 8.96 ns | 15.89 ns | 1.77 | 0.08 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Matrix3x2_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Matrix3x2_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Matrix3x2_3.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Matrix3x2_4.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Matrix3x2.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_Matrix3x2*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_Matrix3x2.InequalityOperatorBenchmark

```log

```
#### System.Numerics.Tests.Perf_Matrix3x2.LerpBenchmark

```log

```
#### System.Numerics.Tests.Perf_Matrix3x2.NegationOperatorBenchmark

```log

```
#### System.Numerics.Tests.Perf_Matrix3x2.AddBenchmark

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[DeserializeFromUtf8Bytes - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Serialization.Tests.ReadJson(Nullable(DateTimeOffset)).DeserializeFromUtf8Bytes.html>) | 130.22 ns | 140.77 ns | 1.08 | 0.05 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Text.Json.Serialization.Tests.ReadJson(Nullable(DateTimeOffset))_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Text.Json.Serialization.Tests.ReadJson(Nullable(DateTimeOffset)).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;.DeserializeFromUtf8Bytes

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Collections.Sort&lt;BigStruct&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Array_ComparerStruct - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.Sort(BigStruct).Array_ComparerStruct(Size%3a%20512).html>) | 33.94 μs | 46.92 μs | 1.38 | 0.02 | True | | |
[Array_Comparison - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.Sort(BigStruct).Array_Comparison(Size%3a%20512).html>) | 30.67 μs | 45.16 μs | 1.47 | 0.03 | True | | |
[Array_ComparerClass - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.Sort(BigStruct).Array_ComparerClass(Size%3a%20512).html>) | 31.22 μs | 44.95 μs | 1.44 | 0.07 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.Sort(BigStruct)_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.Sort(BigStruct)_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.Sort(BigStruct)_3.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.Sort(BigStruct).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Sort&lt;BigStruct&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Collections.Sort&lt;BigStruct&gt;.Array_ComparerStruct(Size: 512)

```log

```
#### System.Collections.Sort&lt;BigStruct&gt;.Array_Comparison(Size: 512)

```log

```
#### System.Collections.Sort&lt;BigStruct&gt;.Array_ComparerClass(Size: 512)

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Collections.IterateForEachNonGeneric&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.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.IterateForEachNonGeneric(Int32).Queue(Size%3a%20512).html>) | 3.61 μs | 3.85 μs | 1.07 | 0.06 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.IterateForEachNonGeneric(Int32)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.IterateForEachNonGeneric(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateForEachNonGeneric&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Collections.IterateForEachNonGeneric&lt;Int32&gt;.Queue(Size: 512)

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ConcurrentStack - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.IterateForEach(Int32).ConcurrentStack(Size%3a%20512).html>) | 2.49 μs | 2.69 μs | 1.08 | 0.01 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.IterateForEach(Int32)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.IterateForEach(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\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-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Collections.IterateForEach&lt;Int32&gt;.ConcurrentStack(Size: 512)

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsFalse(Int32).ImmutableSortedSet(Size%3a%20512).html>) | 28.60 μs | 31.25 μs | 1.09 | 0.00 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.ContainsFalse(Int32)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Collections.ContainsFalse(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsFalse&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Collections.ContainsFalse&lt;Int32&gt;.ImmutableSortedSet(Size: 512)

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Numerics.Tests.Perf_Vector2

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TransformNormalByMatrix3x2Benchmark - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_Vector2.TransformNormalByMatrix3x2Benchmark.html>) | 1.99 ns | 8.09 ns | 4.06 | 0.14 | True | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Vector2_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Numerics.Tests.Perf_Vector2.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_Vector2*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_Vector2.TransformNormalByMatrix3x2Benchmark

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SequenceCompareTo - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Memory.Span(Byte).SequenceCompareTo(Size%3a%20512).html>) | 9.92 ns | 12.15 ns | 1.23 | 0.08 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Memory.Span(Byte)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Memory.Span(Byte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\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-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Memory.Span&lt;Byte&gt;.SequenceCompareTo(Size: 512)

```log

```


### 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 | ubuntu 18.04
Baseline | [10b2f7c858934c27c56aa13845cb47064bfe87e9](https://github.com/dotnet/runtime/commit/10b2f7c858934c27c56aa13845cb47064bfe87e9)
Compare | [a842e7a1dc6c241c928c6291411393cdb2516608](https://github.com/dotnet/runtime/commit/a842e7a1dc6c241c928c6291411393cdb2516608)
Diff | [Diff](https://github.com/dotnet/runtime/compare/10b2f7c858934c27c56aa13845cb47064bfe87e9...a842e7a1dc6c241c928c6291411393cdb2516608)


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Uri_IsMatch - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.RegularExpressions.Tests.Perf_Regex_Common.Uri_IsMatch(Options%3a%20IgnoreCase%2c%20Compiled).html>) | 132.85 ns | 143.51 ns | 1.08 | 0.04 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/09_20_2021/refs/heads/main_x64_ubuntu%2018.04_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-40d6ff00-556a-445c-b94e-1ea5c0258937ee60a148b7d4d8a81/e9941196-d106-495f-8b5c-c03a2d44481f.zip?sv=2019-07-07&se=2021-10-17T23%3A16%3A41Z&sr=c&sp=rl&sig=3E%2FqRlFmL%2BHTL%2FhL9AvfOBygGnumF1TvHJjv2Im5qT0%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e47036ef-ea0a-49e8-a2a2-b222d1aea6a487f397675e94072af/7f0aae5f-d1ea-4434-b740-0a12722a8695.zip?sv=2019-07-07&se=2021-10-18T06%3A26%3A01Z&sr=c&sp=rl&sig=s5V5J1%2BiiH7u27wdIefaG%2FuBt2Q9m1PNZRbW3uzrsvY%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.Uri_IsMatch(Options: IgnoreCase, Compiled)

```log

```


### 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	ubuntu 18.04
Baseline	10b2f7c858934c27c56aa13845cb47064bfe87e9
Compare	a842e7a1dc6c241c928c6291411393cdb2516608
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
InequalityOperatorBenchmark - Duration of single invocation	6.33 ns	12.21 ns	1.93	0.07	True
LerpBenchmark - Duration of single invocation	8.16 ns	13.30 ns	1.63	0.04	True
NegationOperatorBenchmark - Duration of single invocation	6.35 ns	10.87 ns	1.71	0.10	False
AddBenchmark - Duration of single invocation	8.96 ns	15.89 ns	1.77	0.08	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Array_ComparerStruct - Duration of single invocation	33.94 μs	46.92 μs	1.38	0.02	True
Array_Comparison - Duration of single invocation	30.67 μs	45.16 μs	1.47	0.03	True
Array_ComparerClass - Duration of single invocation	31.22 μs	44.95 μs	1.44	0.07	True

Uh oh!

Perf regressions in Perf_Matrix benchmarks #59415

Description

Run Information

Regressions in System.IO.Tests.BinaryWriterTests

Repro

Payloads

Histogram

System.IO.Tests.BinaryWriterTests.WriteAsciiChar

Docs

Regressions in System.Numerics.Tests.Perf_Matrix3x2

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_Matrix3x2.InequalityOperatorBenchmark

System.Numerics.Tests.Perf_Matrix3x2.LerpBenchmark

System.Numerics.Tests.Perf_Matrix3x2.NegationOperatorBenchmark

System.Numerics.Tests.Perf_Matrix3x2.AddBenchmark

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>

Repro

Payloads

Histogram

System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromUtf8Bytes

Docs

Run Information

Regressions in System.Collections.Sort<BigStruct>

Repro

Payloads

Histogram

System.Collections.Sort<BigStruct>.Array_ComparerStruct(Size: 512)

System.Collections.Sort<BigStruct>.Array_Comparison(Size: 512)

System.Collections.Sort<BigStruct>.Array_ComparerClass(Size: 512)

Docs

Run Information

Regressions in System.Collections.IterateForEachNonGeneric<Int32>

Repro

Payloads

Histogram

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

Docs

Run Information

Regressions in System.Collections.IterateForEach<Int32>

Repro

Payloads

Histogram

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

Docs

Run Information

Regressions in System.Collections.ContainsFalse<Int32>

Repro

Payloads

Histogram

System.Collections.ContainsFalse<Int32>.ImmutableSortedSet(Size: 512)

Docs

Run Information

Regressions in System.Numerics.Tests.Perf_Vector2

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_Vector2.TransformNormalByMatrix3x2Benchmark

Docs

Run Information

Regressions in System.Memory.Span<Byte>

Repro

Payloads

Histogram

System.Memory.Span<Byte>.SequenceCompareTo(Size: 512)

Docs

Run Information

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Common.Uri_IsMatch(Options: IgnoreCase, Compiled)

Docs

Metadata

Metadata

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