[Perf] Changes at 9/16/2021 5:40:24 PM

### Run Information

Architecture | x64
-- | --
OS | alpine 3.12
Baseline | [909880b5a7a737f86d388f263e0bfa8c2ddb186c](https://github.com/dotnet/runtime/commit/909880b5a7a737f86d388f263e0bfa8c2ddb186c)
Compare | [fe50d91a99dc17f8b3cbbb18103a7e8dca051075](https://github.com/dotnet/runtime/commit/fe50d91a99dc17f8b3cbbb18103a7e8dca051075)
Diff | [Diff](https://github.com/dotnet/runtime/compare/909880b5a7a737f86d388f263e0bfa8c2ddb186c...fe50d91a99dc17f8b3cbbb18103a7e8dca051075)


### Improvemnts in System.Numerics.Tests.Perf_BitOperations

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TrailingZeroCount_ulong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong.html>) | 460.34 ns | 332.31 ns | 0.72 | 0.00 | True | | |
[LeadingZeroCount_uint - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint.html>) | 462.30 ns | 332.12 ns | 0.72 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Numerics.Tests.Perf_BitOperations_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Numerics.Tests.Perf_BitOperations_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Numerics.Tests.Perf_BitOperations.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_BitOperations*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2917ef3b-a5d0-42d4-b923-a138eb9aaa66bfeaa2e3c8c4325bf/570ea0a3-afae-4f3b-82bf-85ea74a1abf6.zip?sv=2019-07-07&se=2021-10-16T14%3A41%3A36Z&sr=c&sp=rl&sig=TpgOyvv%2BT7yBCK6ZeshUZ%2BIMOmKSlR%2F5xFQWv2Rmj3k%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e3c98d66-804d-4c76-9343-8e0a097f769fbb36a67906345ee80/da1d6cda-bfe8-43f9-8480-004f6b049950.zip?sv=2019-07-07&se=2021-10-16T21%3A08%3A27Z&sr=c&sp=rl&sig=t8PbkZTUCO%2B4Q9AsJAb6Dc528x7q2tWsv873KmpEhMY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong

```log

```
#### System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

```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 | alpine 3.12
Baseline | [909880b5a7a737f86d388f263e0bfa8c2ddb186c](https://github.com/dotnet/runtime/commit/909880b5a7a737f86d388f263e0bfa8c2ddb186c)
Compare | [fe50d91a99dc17f8b3cbbb18103a7e8dca051075](https://github.com/dotnet/runtime/commit/fe50d91a99dc17f8b3cbbb18103a7e8dca051075)
Diff | [Diff](https://github.com/dotnet/runtime/compare/909880b5a7a737f86d388f263e0bfa8c2ddb186c...fe50d91a99dc17f8b3cbbb18103a7e8dca051075)


### Improvemnts 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[OneNodeBacktracking - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/System.Text.RegularExpressions.Tests.Perf_Regex_Common.OneNodeBacktracking(Options%3a%20Compiled).html>) | 1.50 μs | 1.40 μs | 0.93 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2917ef3b-a5d0-42d4-b923-a138eb9aaa66bfeaa2e3c8c4325bf/570ea0a3-afae-4f3b-82bf-85ea74a1abf6.zip?sv=2019-07-07&se=2021-10-16T14%3A41%3A36Z&sr=c&sp=rl&sig=TpgOyvv%2BT7yBCK6ZeshUZ%2BIMOmKSlR%2F5xFQWv2Rmj3k%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e3c98d66-804d-4c76-9343-8e0a097f769fbb36a67906345ee80/da1d6cda-bfe8-43f9-8480-004f6b049950.zip?sv=2019-07-07&se=2021-10-16T21%3A08%3A27Z&sr=c&sp=rl&sig=t8PbkZTUCO%2B4Q9AsJAb6Dc528x7q2tWsv873KmpEhMY%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.OneNodeBacktracking(Options: 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>


### Run Information

Architecture | x64
-- | --
OS | alpine 3.12
Baseline | [909880b5a7a737f86d388f263e0bfa8c2ddb186c](https://github.com/dotnet/runtime/commit/909880b5a7a737f86d388f263e0bfa8c2ddb186c)
Compare | [fe50d91a99dc17f8b3cbbb18103a7e8dca051075](https://github.com/dotnet/runtime/commit/fe50d91a99dc17f8b3cbbb18103a7e8dca051075)
Diff | [Diff](https://github.com/dotnet/runtime/compare/909880b5a7a737f86d388f263e0bfa8c2ddb186c...fe50d91a99dc17f8b3cbbb18103a7e8dca051075)


### Improvemnts in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ProducerConsumer - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).ProducerConsumer(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>) | 1.82 μs | 1.56 μs | 0.86 | 0.06 | True | | |
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>) | 1.70 μs | 1.21 μs | 0.71 | 0.20 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2917ef3b-a5d0-42d4-b923-a138eb9aaa66bfeaa2e3c8c4325bf/570ea0a3-afae-4f3b-82bf-85ea74a1abf6.zip?sv=2019-07-07&se=2021-10-16T14%3A41%3A36Z&sr=c&sp=rl&sig=TpgOyvv%2BT7yBCK6ZeshUZ%2BIMOmKSlR%2F5xFQWv2Rmj3k%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e3c98d66-804d-4c76-9343-8e0a097f769fbb36a67906345ee80/da1d6cda-bfe8-43f9-8480-004f6b049950.zip?sv=2019-07-07&se=2021-10-16T21%3A08%3A27Z&sr=c&sp=rl&sig=t8PbkZTUCO%2B4Q9AsJAb6Dc528x7q2tWsv873KmpEhMY%3D>)
### Histogram

#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.ProducerConsumer(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)

```log

```
#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)

```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 | alpine 3.12
Baseline | [909880b5a7a737f86d388f263e0bfa8c2ddb186c](https://github.com/dotnet/runtime/commit/909880b5a7a737f86d388f263e0bfa8c2ddb186c)
Compare | [fe50d91a99dc17f8b3cbbb18103a7e8dca051075](https://github.com/dotnet/runtime/commit/fe50d91a99dc17f8b3cbbb18103a7e8dca051075)
Diff | [Diff](https://github.com/dotnet/runtime/compare/909880b5a7a737f86d388f263e0bfa8c2ddb186c...fe50d91a99dc17f8b3cbbb18103a7e8dca051075)


### Improvemnts in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SameIndex1 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.12/Span.IndexerBench.SameIndex1(length%3a%201024).html>) | 627.99 ns | 566.15 ns | 0.90 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/Span.IndexerBench_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_alpine%203.12_Improvement/Span.IndexerBench.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'Span.IndexerBench*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2917ef3b-a5d0-42d4-b923-a138eb9aaa66bfeaa2e3c8c4325bf/570ea0a3-afae-4f3b-82bf-85ea74a1abf6.zip?sv=2019-07-07&se=2021-10-16T14%3A41%3A36Z&sr=c&sp=rl&sig=TpgOyvv%2BT7yBCK6ZeshUZ%2BIMOmKSlR%2F5xFQWv2Rmj3k%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-e3c98d66-804d-4c76-9343-8e0a097f769fbb36a67906345ee80/da1d6cda-bfe8-43f9-8480-004f6b049950.zip?sv=2019-07-07&se=2021-10-16T21%3A08%3A27Z&sr=c&sp=rl&sig=t8PbkZTUCO%2B4Q9AsJAb6Dc528x7q2tWsv873KmpEhMY%3D>)
### Histogram

#### Span.IndexerBench.SameIndex1(length: 1024)

```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	alpine 3.12
Baseline	909880b5a7a737f86d388f263e0bfa8c2ddb186c
Compare	fe50d91a99dc17f8b3cbbb18103a7e8dca051075
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
TrailingZeroCount_ulong - Duration of single invocation	460.34 ns	332.31 ns	0.72	0.00	True
LeadingZeroCount_uint - Duration of single invocation	462.30 ns	332.12 ns	0.72	0.00	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ProducerConsumer - Duration of single invocation	1.82 μs	1.56 μs	0.86	0.06	True
SingleSerial - Duration of single invocation	1.70 μs	1.21 μs	0.71	0.20	True

[Perf] Changes at 9/16/2021 5:40:24 PM #1503

Description

Run Information

Improvemnts in System.Numerics.Tests.Perf_BitOperations

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong

System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

Docs

Improvemnts in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Common.OneNodeBacktracking(Options: Compiled)

Docs

Run Information

Improvemnts in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>

Repro

Payloads

Histogram

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.ProducerConsumer(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)

Docs

Run Information

Improvemnts in Span.IndexerBench

Repro

Payloads

Histogram

Span.IndexerBench.SameIndex1(length: 1024)

Docs

Metadata

Metadata

Assignees

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