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

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[LeadingZeroCount_uint - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint.html>) | 660.54 ns | 476.16 ns | 0.72 | 0.00 | True | | |
[TrailingZeroCount_ulong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong.html>) | 661.09 ns | 476.14 ns | 0.72 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_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_Windows%2010.0.18362_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_Windows%2010.0.18362_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-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

```log

```
#### System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong

```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 | Windows 10.0.18362
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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>) | 2.49 μs | 1.62 μs | 0.65 | 0.31 | False | | |
[ProducerConsumer - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).ProducerConsumer(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>) | 2.60 μs | 1.50 μs | 0.58 | 0.00 | True | | |
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>) | 2.26 μs | 1.38 μs | 0.61 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_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_Windows%2010.0.18362_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_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-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: False)

```log

```
#### 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: False, 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 | Windows 10.0.18362
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.Collections.IterateFor&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadOnlySpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.IterateFor(Int32).ReadOnlySpan(Size%3a%20512).html>) | 199.32 ns | 169.32 ns | 0.85 | 0.03 | True | | |
[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.IterateFor(Int32).Span(Size%3a%20512).html>) | 199.47 ns | 169.38 ns | 0.85 | 0.03 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Collections.IterateFor(Int32)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Collections.IterateFor(Int32)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Collections.IterateFor(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateFor&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.Collections.IterateFor&lt;Int32&gt;.ReadOnlySpan(Size: 512)

```log

```
#### System.Collections.IterateFor&lt;Int32&gt;.Span(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 | Windows 10.0.18362
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.Tests.Perf_Int64

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TryParseSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_Int64.TryParseSpan(value%3a%20%229223372036854775807%22).html>) | 31.13 ns | 28.64 ns | 0.92 | 0.23 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Tests.Perf_Int64_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Tests.Perf_Int64.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_Int64*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

```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 | Windows 10.0.18362
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;Object&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Object).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>) | 3.73 μs | 2.70 μs | 0.73 | 0.00 | True | | |
[MultipleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Object).MultipleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>) | 28.03 μs | 23.02 μs | 0.82 | 0.30 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object).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;Object&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: True, Async: False, UseSharedPool: False)

```log

```
#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.MultipleSerial(RentalSize: 4096, ManipulateArray: True, Async: False, 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 | Windows 10.0.18362
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.IO.Tests.Perf_Path

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetDirectoryName - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.IO.Tests.Perf_Path.GetDirectoryName.html>) | 60.17 ns | 54.87 ns | 0.91 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.IO.Tests.Perf_Path_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.IO.Tests.Perf_Path.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.Perf_Path*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%3D>)
### Histogram

#### System.IO.Tests.Perf_Path.GetDirectoryName

```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 | Windows 10.0.18362
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_Windows 10.0.18362/Span.IndexerBench.SameIndex1(length%3a%201024).html>) | 903.29 ns | 815.22 ns | 0.90 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_Improvement/Span.IndexerBench_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_21_2021/refs/heads/main_x64_Windows%2010.0.18362_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-f868e150-f0ab-4572-b6e3-b155a94130a8f2ead1e33d340ae8f/ac3476f9-b067-4db3-8b30-30f76a3b1e40.zip?sv=2019-07-07&se=2021-10-16T14%3A47%3A17Z&sr=c&sp=rl&sig=7yltxAIwNejLkYhCYC2c3mEhR9Q2w0tNowQaKn0jsEE%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ab0d830b-bc92-4edc-9388-b47378720dfb847cfd4ba0248dcad/9e980ed5-80f8-47aa-b2ad-8135daefca52.zip?sv=2019-07-07&se=2021-10-16T20%3A53%3A35Z&sr=c&sp=rl&sig=ygSZRwWvTZs19U0ZKHzru9xDJL62oTty8VRx4Q8RoLY%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	Windows 10.0.18362
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
LeadingZeroCount_uint - Duration of single invocation	660.54 ns	476.16 ns	0.72	0.00	True
TrailingZeroCount_ulong - Duration of single invocation	661.09 ns	476.14 ns	0.72	0.00	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SingleSerial - Duration of single invocation	2.49 μs	1.62 μs	0.65	0.31	False
ProducerConsumer - Duration of single invocation	2.60 μs	1.50 μs	0.58	0.00	True
SingleSerial - Duration of single invocation	2.26 μs	1.38 μs	0.61	0.39	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadOnlySpan - Duration of single invocation	199.32 ns	169.32 ns	0.85	0.03	True
Span - Duration of single invocation	199.47 ns	169.38 ns	0.85	0.03	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SingleSerial - Duration of single invocation	3.73 μs	2.70 μs	0.73	0.00	True
MultipleSerial - Duration of single invocation	28.03 μs	23.02 μs	0.82	0.30	False

[Perf] Changes at 9/16/2021 5:40:24 PM #1488

Description

Run Information

Improvemnts in System.Numerics.Tests.Perf_BitOperations

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

System.Numerics.Tests.Perf_BitOperations.TrailingZeroCount_ulong

Docs

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

Repro

Payloads

Histogram

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

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: False, UseSharedPool: False)

Docs

Run Information

Improvemnts in System.Collections.IterateFor<Int32>

Repro

Payloads

Histogram

System.Collections.IterateFor<Int32>.ReadOnlySpan(Size: 512)

System.Collections.IterateFor<Int32>.Span(Size: 512)

Docs

Run Information

Improvemnts in System.Tests.Perf_Int64

Repro

Payloads

Histogram

System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

Docs

Run Information

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

Repro

Payloads

Histogram

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

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

Docs

Run Information

Improvemnts in System.IO.Tests.Perf_Path

Repro

Payloads

Histogram

System.IO.Tests.Perf_Path.GetDirectoryName

Docs

Run Information

Improvemnts in Span.IndexerBench

Repro

Payloads

Histogram

Span.IndexerBench.SameIndex1(length: 1024)

Docs

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