[Perf] Windows/x64: 28 Improvements on 12/28/2022 6:20:56 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[PopCount_uint - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_BitOperations.PopCount_uint.html>) | 453.72 ns | 406.23 ns | 0.90 | 0.03 | False | | |
[PopCount_ulong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_BitOperations.PopCount_ulong.html>) | 451.84 ns | 420.33 ns | 0.93 | 0.04 | False | | |
[LeadingZeroCount_uint - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint.html>) | 454.40 ns | 408.61 ns | 0.90 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_BitOperations_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_BitOperations_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_BitOperations_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_BitOperations.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_BitOperations*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_BitOperations.PopCount_uint

```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 406.2314717033946 < 429.42437934382434.
IsChangePoint: Marked as a change because one of 10/26/2022 7:11:30 AM, 12/14/2022 5:20:21 PM, 12/20/2022 1:34:12 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 17.188609093835254 (T) = (0 -412.11398326207444) / Math.Sqrt((78.49637844564148 / (299)) + (46.444406073930935 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.07314363853182534 = (444.63630007272184 - 412.11398326207444) / 444.63630007272184 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_BitOperations.PopCount_ulong

```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 420.3347607449879 < 426.41631575377136.
IsChangePoint: Marked as a change because one of 12/14/2022 5:20:21 PM, 12/21/2022 9:23:17 AM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 13.217028237974391 (T) = (0 -418.7124392181921) / Math.Sqrt((83.32547691367718 / (299)) + (44.01909204190214 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.055177902832698036 = (443.16537523153386 - 418.7124392181921) / 443.16537523153386 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

```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 408.6149346180316 < 428.4680663980111.
IsChangePoint: Marked as a change because one of 10/18/2022 1:35:00 AM, 10/26/2022 7:11:30 AM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 12.194326093671272 (T) = (0 -412.9276941057316) / Math.Sqrt((62.14385772376461 / (299)) + (95.65740715758832 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.0726645741813844 = (445.284071555031 - 412.9276941057316) / 445.284071555031 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in PerfLabTests.DelegatePerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[MulticastDelegateCombineInvoke - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.DelegatePerf.MulticastDelegateCombineInvoke.html>) | 207.10 ms | 192.23 ms | 0.93 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.DelegatePerf_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.DelegatePerf.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.DelegatePerf*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### PerfLabTests.DelegatePerf.MulticastDelegateCombineInvoke

```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 192.23432 < 196.71834616666663.
IsChangePoint: Marked as a change because one of 10/7/2022 12:26:39 PM, 10/17/2022 3:19:47 PM, 12/10/2022 11:25:25 PM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 35.33066635716004 (T) = (0 -192327150) / Math.Sqrt((32197797739542.355 / (299)) + (33076729639.315556 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05743950471429824 = (204047539.6135749 - 192327150) / 204047539.6135749 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TryParseUInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt64(value%3a%2018446744073709551615).html>) | 24.72 ns | 20.27 ns | 0.82 | 0.11 | False | | |
[TryParseInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt64(value%3a%20-9223372036854775808).html>) | 24.37 ns | 20.90 ns | 0.86 | 0.07 | False | | |
[TryParseInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt64(value%3a%209223372036854775807).html>) | 25.11 ns | 19.65 ns | 0.78 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Buffers.Text.Tests.Utf8ParserTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Buffers.Text.Tests.Utf8ParserTests_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Buffers.Text.Tests.Utf8ParserTests_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Buffers.Text.Tests.Utf8ParserTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Utf8ParserTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt64(value: 18446744073709551615)

```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 20.272376452998135 < 23.534776772289625.
IsChangePoint: Marked as a change because one of 10/13/2022 10:51:15 PM, 10/17/2022 3:19:47 PM, 11/7/2022 4:10:19 PM, 12/3/2022 7:24:45 AM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 18.725809800717432 (T) = (0 -19.99058694799564) / Math.Sqrt((6.786929253712243 / (299)) + (0.274112483189671 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.16150123655644258 = (23.840925973340788 - 19.99058694799564) / 23.840925973340788 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt64(value: -9223372036854775808)

```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 20.902472592297237 < 23.136469298853115.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 10/17/2022 3:19:47 PM, 11/2/2022 9:35:40 AM, 11/7/2022 4:10:19 PM, 11/18/2022 7:31:41 AM, 12/10/2022 11:25:25 PM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 26.45528422240043 (T) = (0 -20.605546692530034) / Math.Sqrt((4.666514229617611 / (299)) + (0.18617627583551816 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.17917187338091128 = (25.103363328206452 - 20.605546692530034) / 25.103363328206452 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt64(value: 9223372036854775807)

```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 19.64669951855639 < 23.87198689966322.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 10/17/2022 3:19:47 PM, 11/2/2022 9:35:40 AM, 11/7/2022 4:10:19 PM, 11/18/2022 7:31:41 AM, 12/10/2022 11:25:25 PM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 32.95813673221547 (T) = (0 -19.73096652387668) / Math.Sqrt((4.684236848286164 / (299)) + (0.06569703293320907 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.1924657113447948 = (24.43359594889135 - 19.73096652387668) / 24.43359594889135 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Date_IsNotMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(Options%3a%20IgnoreCase%2c%20Compiled).html>) | 122.56 ns | 108.45 ns | 0.88 | 0.12 | False | | |
[Date_IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsMatch(Options%3a%20Compiled).html>) | 85.37 ns | 66.80 ns | 0.78 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_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 net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsNotMatch(Options: IgnoreCase, Compiled)

```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 108.44892107481635 < 116.61055508145616.
IsChangePoint: Marked as a change because one of 10/27/2022 12:34:03 AM, 10/28/2022 6:19:52 PM, 11/7/2022 4:10:19 PM, 11/11/2022 5:53:56 PM, 12/1/2022 5:03:18 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 19.977431199231553 (T) = (0 -108.22826520196124) / Math.Sqrt((159.39263443978754 / (299)) + (0.3792675985016788 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.12138374600337348 = (123.1803585577382 - 108.22826520196124) / 123.1803585577382 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.Date_IsMatch(Options: Compiled)

```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 66.7961837831784 < 81.09633490277385.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 12/21/2022 9:23:17 AM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 33.95421911199529 (T) = (0 -66.78840231202358) / Math.Sqrt((21.417937293134155 / (299)) + (0.28852345461768675 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.1337509286040287 = (77.10069138012838 - 66.78840231202358) / 77.10069138012838 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[FooObjIsFoo2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.CastingPerf.FooObjIsFoo2.html>) | 306.26 μs | 278.55 μs | 0.91 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.CastingPerf_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.CastingPerf.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.CastingPerf*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### PerfLabTests.CastingPerf.FooObjIsFoo2

```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 278.5450818452381 < 290.95703387605045.
IsChangePoint: Marked as a change because one of 12/3/2022 7:24:45 AM, 12/14/2022 12:26:48 AM, 12/14/2022 5:20:21 PM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 28.6241926155577 (T) = (0 -278513.52740770066) / Math.Sqrt((184331028.25202608 / (299)) + (8558.945363423494 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.07470442009320886 = (300999.5221589154 - 278513.52740770066) / 300999.5221589154 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in System.Numerics.Tests.Perf_Matrix4x4

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateBillboardBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_Matrix4x4.CreateBillboardBenchmark.html>) | 23.26 ns | 21.58 ns | 0.93 | 0.05 | False | | |
[CreateConstrainedBillboardBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_Matrix4x4.CreateConstrainedBillboardBenchmark.html>) | 35.05 ns | 31.31 ns | 0.89 | 0.00 | False | | |
[CreateWorldBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Numerics.Tests.Perf_Matrix4x4.CreateWorldBenchmark.html>) | 23.47 ns | 20.40 ns | 0.87 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_Matrix4x4_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_Matrix4x4_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_Matrix4x4_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Numerics.Tests.Perf_Matrix4x4.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_Matrix4x4*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Numerics.Tests.Perf_Matrix4x4.CreateBillboardBenchmark

```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 21.58113502755527 < 21.874241751398174.
IsChangePoint: Marked as a change because one of 11/9/2022 12:33:05 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 17.283140737756526 (T) = (0 -21.216400238474176) / Math.Sqrt((0.358671854219886 / (299)) + (0.19453039066704603 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.09097795625953006 = (23.33980829680689 - 21.216400238474176) / 23.33980829680689 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix4x4.CreateConstrainedBillboardBenchmark

```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 31.307330386991293 < 33.27858714032986.
IsChangePoint: Marked as a change because one of 10/31/2022 1:09:40 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 62.84940744353342 (T) = (0 -31.19844204854782) / Math.Sqrt((0.18381009892537134 / (299)) + (0.0495204847331618 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.11489190867464856 = (35.248171781857295 - 31.19844204854782) / 35.248171781857295 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix4x4.CreateWorldBenchmark

```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 20.396044883086383 < 22.299526178748415.
IsChangePoint: Marked as a change because one of 12/25/2022 7:48:20 PM, 12/26/2022 6:27:34 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 30.592148062180396 (T) = (0 -20.72803788404705) / Math.Sqrt((1.6798228837375293 / (299)) + (0.08637635760199927 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.1381089818062967 = (24.049488214284402 - 20.72803788404705) / 24.049488214284402 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SingleWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_LastElementMatches(input%3a%20IEnumerable).html>) | 778.98 ns | 613.33 ns | 0.79 | 0.37 | False | | |
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IEnumerable).html>) | 1.11 μs | 996.85 ns | 0.90 | 0.06 | False | | |
[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20IEnumerable).html>) | 718.43 ns | 648.16 ns | 0.90 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Linq.Tests.Perf_Enumerable_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Linq.Tests.Perf_Enumerable.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.SingleWithPredicate_LastElementMatches(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 613.3278432865375 < 700.5313071424073.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 11/7/2022 4:10:19 PM, 11/18/2022 7:31:41 AM, 12/3/2022 11:06:27 AM, 12/21/2022 9:23:17 AM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 5.558865455326203 (T) = (0 -641.1552497098767) / Math.Sqrt((2477.006009782894 / (299)) + (681.0509762632469 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.06140116504958973 = (683.0982799416657 - 641.1552497098767) / 683.0982799416657 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Select(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 996.8460530005264 < 1.049281910340164.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 11/7/2022 4:10:19 PM, 12/3/2022 2:55:34 AM, 12/13/2022 4:26:35 PM, 12/17/2022 10:44:50 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 16.390915143421058 (T) = (0 -997.885012681977) / Math.Sqrt((3013.604889585047 / (299)) + (3.5522545327761375 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05015145352027107 = (1050.5727638161661 - 997.885012681977) / 1050.5727638161661 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(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 648.1639476931698 < 724.9551691860355.
IsChangePoint: Marked as a change because one of 10/19/2022 7:27:15 PM, 10/26/2022 7:11:30 AM, 12/21/2022 9:23:17 AM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 16.788477853349 (T) = (0 -647.0110865633864) / Math.Sqrt((1754.8445179438336 / (299)) + (0.6449704458264988 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05936137944912577 = (687.8423577637836 - 647.0110865633864) / 687.8423577637836 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in System.Memory.Slice&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[MemoryStartLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Slice(String).MemoryStartLength.html>) | 7.56 ns | 5.79 ns | 0.77 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Slice(String)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Slice(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Slice&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Memory.Slice&lt;String&gt;.MemoryStartLength

```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 5.788812364514723 < 6.882472765270317.
IsChangePoint: Marked as a change because one of 10/17/2022 3:19:47 PM, 12/14/2022 5:20:21 PM, 12/17/2022 10:44:50 PM, 12/20/2022 1:34:12 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 6.2314209716666245 (T) = (0 -5.939283168431852) / Math.Sqrt((0.2564978763687566 / (299)) + (0.029051582272479226 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05376569010839908 = (6.276757359508816 - 5.939283168431852) / 6.276757359508816 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 | x64
-- | --
OS | Windows 10.0.19042
Baseline | [8c58fc2347820ce48e09605d8adddb993df9ebb5](https://github.com/dotnet/runtime/commit/8c58fc2347820ce48e09605d8adddb993df9ebb5)
Compare | [1d15f2140f7eb30a976c66290491ec89cd628da0](https://github.com/dotnet/runtime/commit/1d15f2140f7eb30a976c66290491ec89cd628da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c58fc2347820ce48e09605d8adddb993df9ebb5...1d15f2140f7eb30a976c66290491ec89cd628da0)


### Improvements in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>) | 94.91 ns | 86.15 ns | 0.91 | 0.05 | False | | |
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c512).html>) | 77.40 ns | 69.55 ns | 0.90 | 0.04 | False | | |
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>) | 99.35 ns | 90.77 ns | 0.91 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_03_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5c3b99bc-861d-4705-a033-3f8e94560a10c88351a88934bf3b8/8da3b7b9-d69f-463a-a998-ec9015d2caab.zip?sv=2021-08-06&se=2023-01-27T09%3A49%3A22Z&sr=c&sp=rl&sig=grUjjJ54LM%2B8tY3WpKtSJhKM8Ovl6cjPAiqtGJLdXOo%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7010c2fb-5754-4a00-ba2d-f48acb6c19f1b212ae503dc44ec9b/7729d7aa-739a-4143-8a32-d210662d49ec.zip?sv=2021-08-06&se=2023-01-28T15%3A35%3A25Z&sr=c&sp=rl&sig=jSjy%2F%2F3oSX1wuc5L3s9nh6nzHU%2BspMTw5ddf%2B1HipPY%3D>)
### Histogram

#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+&lt;World&gt;!,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 86.14786438522546 < 89.96255480080958.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 11/7/2022 4:10:19 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 24.174024824127674 (T) = (0 -86.63824615918712) / Math.Sqrt((12.154515880394667 / (299)) + (0.1770387772652945 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.060516855333987186 = (92.21905326464064 - 86.63824615918712) / 92.21905326464064 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,hello "there",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 69.55388295510282 < 74.01346580310938.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 10/31/2022 10:23:25 PM, 12/10/2022 11:25:25 PM, 12/13/2022 4:26:35 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 11.2923632898015 (T) = (0 -70.05968722997714) / Math.Sqrt((9.83454572336132 / (299)) + (3.4724102076581227 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.07870582712356904 = (76.04486090608752 - 70.05968722997714) / 76.04486090608752 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,512)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as 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 90.76837763674179 < 94.37651261825141.
IsChangePoint: Marked as a change because one of 10/11/2022 8:42:28 PM, 11/7/2022 4:10:19 PM, 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM falls between 12/23/2022 9:40:21 PM and 1/3/2023 6:29:42 AM.
IsImprovementStdDev: Marked as improvement because 27.16623868918939 (T) = (0 -90.93143355015957) / Math.Sqrt((12.553652612517256 / (299)) + (0.05710533201690648 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.06025697866810995 = (96.76202055885788 - 90.93143355015957) / 96.76202055885788 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>




Architecture	x64
OS	Windows 10.0.19042
Baseline	8c58fc2347820ce48e09605d8adddb993df9ebb5
Compare	1d15f2140f7eb30a976c66290491ec89cd628da0
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
PopCount_uint - Duration of single invocation	453.72 ns	406.23 ns	0.90	0.03	False
PopCount_ulong - Duration of single invocation	451.84 ns	420.33 ns	0.93	0.04	False
LeadingZeroCount_uint - Duration of single invocation	454.40 ns	408.61 ns	0.90	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryParseUInt64 - Duration of single invocation	24.72 ns	20.27 ns	0.82	0.11	False
TryParseInt64 - Duration of single invocation	24.37 ns	20.90 ns	0.86	0.07	False
TryParseInt64 - Duration of single invocation	25.11 ns	19.65 ns	0.78	0.08	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Date_IsNotMatch - Duration of single invocation	122.56 ns	108.45 ns	0.88	0.12	False
Date_IsMatch - Duration of single invocation	85.37 ns	66.80 ns	0.78	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
CreateBillboardBenchmark - Duration of single invocation	23.26 ns	21.58 ns	0.93	0.05	False
CreateConstrainedBillboardBenchmark - Duration of single invocation	35.05 ns	31.31 ns	0.89	0.00	False
CreateWorldBenchmark - Duration of single invocation	23.47 ns	20.40 ns	0.87	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SingleWithPredicate_LastElementMatches - Duration of single invocation	778.98 ns	613.33 ns	0.79	0.37	False
Select - Duration of single invocation	1.11 μs	996.85 ns	0.90	0.06	False
WhereSingle_LastElementMatches - Duration of single invocation	718.43 ns	648.16 ns	0.90	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EncodeUtf16 - Duration of single invocation	94.91 ns	86.15 ns	0.91	0.05	False
EncodeUtf16 - Duration of single invocation	77.40 ns	69.55 ns	0.90	0.04	False
EncodeUtf16 - Duration of single invocation	99.35 ns	90.77 ns	0.91	0.04	False

[Perf] Windows/x64: 28 Improvements on 12/28/2022 6:20:56 PM #11314

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Improvements in System.Numerics.Tests.Perf_BitOperations

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System.Numerics.Tests.Perf_BitOperations.PopCount_uint

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Improvements in PerfLabTests.DelegatePerf

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PerfLabTests.DelegatePerf.MulticastDelegateCombineInvoke

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Improvements in System.Buffers.Text.Tests.Utf8ParserTests

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System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt64(value: 18446744073709551615)

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Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

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

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Improvements in PerfLabTests.CastingPerf

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PerfLabTests.CastingPerf.FooObjIsFoo2

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Improvements in System.Numerics.Tests.Perf_Matrix4x4

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System.Numerics.Tests.Perf_Matrix4x4.CreateBillboardBenchmark

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Improvements in System.Linq.Tests.Perf_Enumerable

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

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Improvements in System.Memory.Slice<String>

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System.Memory.Slice<String>.MemoryStartLength

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

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System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,512)