[Perf] Linux/x64: 12 Improvements on 7/26/2023 8:42:30 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [764f77412ef4ec1a7e5dc521608247487a66cd7e](https://github.com/dotnet/runtime/commit/764f77412ef4ec1a7e5dc521608247487a66cd7e)
Compare | [bc23bf4ee16cbd1999105b1916e1f2f76baef6a7](https://github.com/dotnet/runtime/commit/bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/764f77412ef4ec1a7e5dc521608247487a66cd7e...bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).SerializeToString(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L75-#L76>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.59 μs | 12.11 μs | 0.69 | 0.16 | False | | |
|<ul><li>[SerializeToUtf8Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).SerializeToUtf8Bytes(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.80 μs | 11.76 μs | 0.74 | 0.16 | False | | |
|<ul><li>[SerializeToStream - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).SerializeToStream(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L89-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACoRV227bMAx9z1fozfaWuM4FaZvWBXp56DZ06xIPBVYUhRoziTpLCiR5SYZ9/Cj50rhp1idL5CF1JB7SGRjy+KSomC5ITNKNoJxN/XtPwUwfLICm+oBTJryH4KSVOWzOsvRcObi3Php6pX0q+fJGpmDNhoGCtPJoQ5VJGLeulBowuPR7Ua/fiQad3lHSPR71DkeDbnjUOxz0D/sfo2gURdV5INJ9sd3DJBqOuv3RoP+zglOeWgZ3TKRypcNuFJ7zdDgIe9F1L/y2ysJbULOKGRMGsjfh3ePrbpiwOahGQMZEvo69H0+5MHnYPYoGJX4XShUfDmpoL7JQa2qAdK5mdApxg0CNCif5C3TFRJmywk5A/cZDd7MqWEp7q1QaAeZAIQN8ttqbiy+YwQKw1EpWdgPaWONkow3wMIG1CT9rKew5jGbsDzUMdwnCdHinmAHrPf3EeW7oUwZXbGoBVG1OJ0YxMW+T4nt2VqeARKINKPetVEZkDLMMXFhQ0VjOC+6FEnFXOVKY0TxzFEvTZCGV+Uo56EId1PHwx7n4nkMOI13ScDuLKy0BuW+9p5A28fDFO+vhoIOS8tqt9zWyFeKEZYP2lB+hKKWOKyjmX2K7bKHf1lUZ00j/H9mUbIojSp1th+yqpxFRkmo9nLRugGI8cBBGt/6S1QIdxMrAPimJ40I6tefCDoixk2BcaLF2VZVxnqL5pGpaXYftWB2nHWt5q100zoDXtqp9mjTtHEMhTw3ez8I8fF3Pxr7tdRm8ZoqLYnYyQfxyjgbb972UYsbmuXLNo8dV79mXKdb7wZc4UVnm1sVgjV+mbKMOlxJlAyqRy3JVe5kGvjQbfyf37VwmmyUEzbvYQTsxWHpytjW2EaNzzqnC/iVUzR85XfsObwXQJh8C8rR5laBdC6Rd1wHzLJV8xvckr8H7+KEHNDZ9rPBiqb912cJ+jhKmc4T1g3aRtDiyPrw6u/QWxUIizxIL9gufP2ZCgNoeJVJsM1b4/0G/HaDTBT4IWTGzID7RONFAx/VoaZO1YSbDUX6FvynspU25dT8vX+gAbYXJtUvwDwAA//8=>)</li></ul> | 15.95 μs | 11.54 μs | 0.72 | 0.19 | False | | |
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).SerializeToWriter(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L81-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.39 μs | 11.32 μs | 0.74 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-499bf02e-3ca1-4f9c-8d9e-2f7be2b76c48c4e0d505fb945eb82/0bfc7750-a955-4351-a965-dfcca17d405d.zip?sv=2021-08-06&se=2023-08-24T20%3A02%3A47Z&sr=c&sp=rl&sig=u%2BHTm9Z%2F8uMaxvjigaKw%2FNl0SQYICH1uczye1YcXHME%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8c2f66fa-6652-4aaf-8c79-e8bd142816d35f3ea6a0cb04e64a5/c4f64882-9b78-45eb-a9aa-1f7af719a30b.zip?sv=2021-08-06&se=2023-08-25T14%3A48%3A27Z&sr=c&sp=rl&sig=C0ayx2kkP%2B1pe45jQH93RuxuY6DuYMSF0X9OTaNzSvM%3D>)
### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### 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 12.106162567300256 < 15.601925585808324.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 47.716694726187264 (T) = (0 -12125.390202289218) / Math.Sqrt((1504901.320812375 / (299)) + (6685.979180534107 / (4))) is greater than 1.9678765312856872 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (4) - 2, .975) and 0.24369997773193325 = (16032.513348242946 - 12125.390202289218) / 16032.513348242946 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 41.19684108192188 (T) = (0 -11892.642141792567) / Math.Sqrt((1679797.4594270252 / (299)) + (13208.251632172314 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.234489822749779 = (15535.576789471264 - 11892.642141792567) / 15535.576789471264 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToStream(Mode: Reflection)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 16.913203355784013 (T) = (0 -11678.540138874638) / Math.Sqrt((1595740.4418589645 / (299)) + (214952.0720135663 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.24148827636536147 = (15396.650803119268 - 11678.540138874638) / 15396.650803119268 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 41.857694674158 (T) = (0 -11348.034857458646) / Math.Sqrt((1292272.4584998072 / (299)) + (22895.67540387337 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.24966892117057587 = (15124.036812072984 - 11348.034857458646) / 15124.036812072984 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [764f77412ef4ec1a7e5dc521608247487a66cd7e](https://github.com/dotnet/runtime/commit/764f77412ef4ec1a7e5dc521608247487a66cd7e)
Compare | [bc23bf4ee16cbd1999105b1916e1f2f76baef6a7](https://github.com/dotnet/runtime/commit/bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/764f77412ef4ec1a7e5dc521608247487a66cd7e...bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Object).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L62-#L81>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACoRV247bNhB991fwTVIra+VLvGulCuDdoghQbLO1HRRoEAS0NbaZUqTAS20X/fgOqUus9W4Dv1AzZ4YznDPHHAz5slFUbA8kJ8VZ0JJtw0+Bgp2+OQAt9E1JmQg+R28H3GMt48VCeXhwupsFjX0ry+pRFuDMhoGCovVoQ5VZs9K5CmrA4DEcp+PJMJ0Ox3fr0Twb32Zv5sntZDaev0l/TNMsTdv7QBSvxY5u1+ksG02y6eTPFk7LwlXwBxOFPOpklCaLsphNk3H6fpx8OPLkCdSurYwJA/xF+Gj+fpSs2R5UL4AzYU958HFjhbHJ6C6dNvhrKFXlbNpBx6mDOlMPpK3a0S3kvQI6VLKy36BHJpqULXYF6m+89Dqrgkq6rgppBJgbhRXgs3VeK37FDA6Ao1aytRvQxhlXZ22gTO7tbgdKJ2s062QJwizBWCUWStHzk5TcO376sPkKW/MuWTGx5/BEFeUceOjwlK/YP5CRaTqfxeSRClZZjjP0GTLyC+UaYrLQZ7Htvj5qWB0oksfdkJG1shC1BVb7uquao/jVOgrYUct98Y1pdZDK/EZL0DVv8LfhEC6t+N2ChUwbhfXGxH85XGOJyKfB97gTkwBnMTzNpkMkWxAPvs+eixBPORf0CjEQiiQb+lFj/goX6QL9MuOamF76/yFUU019RcPAy5BrXvUimqIGn98OHoFiPJQ4bD34lxwP6CCOF+5JSZ7XpOo89046lp6cec3SztVOxnvqtZSqb/W7d2X1NV1Zm66u0agOz23tYvXLdArHDFIb+3OwAF83cLEve32GoJ/ivlZVJkjYKGx02e+DFDu2t4oaJoVetlvpXqY+vw5+QK1l3J9ryc2/6W9vDg8SaQNqLavm1HmZhrIy5/Aq99Ners8VRP1enASvDI6evLsQdMRoW5ZU4Z4TqvZfSnoKPd4RICY/RGRzfpYg7ggSd3PAPJWSTkjIc/Br9aEHNC59rrCxIrxotrYvkMJ0j7BJFNdJ6yu7y9u7G289LCzkq8SB/YXPnzMhQF1KiRSXFSv8Z0K/k9YtSpYhR2YOJCQaFAOdd9ISk5NhhqPI/4zih7t0bj7931oodIS22uTXJfoPAAD//w==>)</li></ul> | 63.34 ns | 58.03 ns | 0.92 | 0.49 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests%28Object%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests%28Object%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-499bf02e-3ca1-4f9c-8d9e-2f7be2b76c48c4e0d505fb945eb82/0bfc7750-a955-4351-a965-dfcca17d405d.zip?sv=2021-08-06&se=2023-08-24T20%3A02%3A47Z&sr=c&sp=rl&sig=u%2BHTm9Z%2F8uMaxvjigaKw%2FNl0SQYICH1uczye1YcXHME%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8c2f66fa-6652-4aaf-8c79-e8bd142816d35f3ea6a0cb04e64a5/c4f64882-9b78-45eb-a9aa-1f7af719a30b.zip?sv=2021-08-06&se=2023-08-25T14%3A48%3A27Z&sr=c&sp=rl&sig=C0ayx2kkP%2B1pe45jQH93RuxuY6DuYMSF0X9OTaNzSvM%3D>)
### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: True)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/25/2023 6:27:07 PM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 7.293498428536505 (T) = (0 -56.98203730850948) / Math.Sqrt((13.618129930411152 / (299)) + (6.699683312313385 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.12125352664997183 = (64.84468391807931 - 56.98203730850948) / 64.84468391807931 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [8f5364695b107f37af899aba3ad1b9f98d577c33](https://github.com/dotnet/runtime/commit/8f5364695b107f37af899aba3ad1b9f98d577c33)
Compare | [bc23bf4ee16cbd1999105b1916e1f2f76baef6a7](https://github.com/dotnet/runtime/commit/bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8f5364695b107f37af899aba3ad1b9f98d577c33...bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrue(String).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L108-#L117>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 557.79 μs | 266.09 μs | 0.48 | 0.15 | False | | |
|<ul><li>[ImmutableArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrue(String).ImmutableArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L198-#L207>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 359.72 μs | 299.64 μs | 0.83 | 0.33 | False | | |
|<ul><li>[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrue(String).List(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L76-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 330.21 μs | 270.99 μs | 0.82 | 0.37 | False | | |
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrue(String).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L87-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 328.80 μs | 279.40 μs | 0.85 | 0.44 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsTrue&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-c06f04b8-fce5-48ce-97e2-932e73c73497cc4047fdc414e6380/ca3b2c3a-1a36-412c-b87e-51af0372297e.zip?sv=2021-08-06&se=2023-08-24T15%3A02%3A47Z&sr=c&sp=rl&sig=XKM92dD6D1BIFndpBmzWBMR0ZS6iWnnTKa7IShAB7lI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8c2f66fa-6652-4aaf-8c79-e8bd142816d35f3ea6a0cb04e64a5/c4f64882-9b78-45eb-a9aa-1f7af719a30b.zip?sv=2021-08-06&se=2023-08-25T14%3A48%3A27Z&sr=c&sp=rl&sig=C0ayx2kkP%2B1pe45jQH93RuxuY6DuYMSF0X9OTaNzSvM%3D>)
### System.Collections.ContainsTrue&lt;String&gt;.LinkedList(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/8/2023 6:34:59 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 15.431271169196256 (T) = (0 -302370.4005428436) / Math.Sqrt((366359256.12469965 / (299)) + (1653016883.9448085 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.45915646170341456 = (559071.8555964906 - 302370.4005428436) / 559071.8555964906 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.ImmutableArray(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/2/2023 3:18:41 PM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 61.667225278886725 (T) = (0 -299512.99894992815) / Math.Sqrt((202927466.05487454 / (299)) + (1575056.3789617703 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.16649049918864173 = (359339.63399142417 - 299512.99894992815) / 359339.63399142417 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.List(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/1/2023 6:56:14 PM, 7/25/2023 7:04:35 PM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 11.798397867096856 (T) = (0 -289644.50513236393) / Math.Sqrt((236991245.27249724 / (299)) + (180321992.39340988 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.17348582946171723 = (350441.0637554194 - 289644.50513236393) / 350441.0637554194 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.ICollection(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/2/2023 3:18:41 PM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 16.502811175383613 (T) = (0 -294250.18968538026) / Math.Sqrt((214145565.527984 / (299)) + (53608329.68587554 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.1483788918491997 = (345517.7271548747 - 294250.18968538026) / 345517.7271548747 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [764f77412ef4ec1a7e5dc521608247487a66cd7e](https://github.com/dotnet/runtime/commit/764f77412ef4ec1a7e5dc521608247487a66cd7e)
Compare | [bc23bf4ee16cbd1999105b1916e1f2f76baef6a7](https://github.com/dotnet/runtime/commit/bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/764f77412ef4ec1a7e5dc521608247487a66cd7e...bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsFalse&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsFalse(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L137-#L146>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 722.40 μs | 567.66 μs | 0.79 | 0.36 | False | | |
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsFalse(String).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L95-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.06 ms | 482.38 μs | 0.46 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsFalse&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-499bf02e-3ca1-4f9c-8d9e-2f7be2b76c48c4e0d505fb945eb82/0bfc7750-a955-4351-a965-dfcca17d405d.zip?sv=2021-08-06&se=2023-08-24T20%3A02%3A47Z&sr=c&sp=rl&sig=u%2BHTm9Z%2F8uMaxvjigaKw%2FNl0SQYICH1uczye1YcXHME%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8c2f66fa-6652-4aaf-8c79-e8bd142816d35f3ea6a0cb04e64a5/c4f64882-9b78-45eb-a9aa-1f7af719a30b.zip?sv=2021-08-06&se=2023-08-25T14%3A48%3A27Z&sr=c&sp=rl&sig=C0ayx2kkP%2B1pe45jQH93RuxuY6DuYMSF0X9OTaNzSvM%3D>)
### System.Collections.ContainsFalse&lt;String&gt;.Stack(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/2/2023 3:18:41 PM, 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 45.78414559128889 (T) = (0 -564277.9173915817) / Math.Sqrt((1715994166.8938923 / (299)) + (18722778.889533423 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.19991534896327046 = (705272.76915062 - 564277.9173915817) / 705272.76915062 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.ContainsFalse&lt;String&gt;.LinkedList(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 18.24269583694063 (T) = (0 -527999.0235350548) / Math.Sqrt((2581136538.825138 / (299)) + (4498521555.288753 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.5101181175371542 = (1077808.8401240269 - 527999.0235350548) / 1077808.8401240269 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [764f77412ef4ec1a7e5dc521608247487a66cd7e](https://github.com/dotnet/runtime/commit/764f77412ef4ec1a7e5dc521608247487a66cd7e)
Compare | [bc23bf4ee16cbd1999105b1916e1f2f76baef6a7](https://github.com/dotnet/runtime/commit/bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/764f77412ef4ec1a7e5dc521608247487a66cd7e...bc23bf4ee16cbd1999105b1916e1f2f76baef6a7)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrueComparer&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[HashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrueComparer(String).HashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrueComparer.cs#L41-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 20.98 μs | 17.29 μs | 0.82 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrueComparer%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_28_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrueComparer%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsTrueComparer&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-499bf02e-3ca1-4f9c-8d9e-2f7be2b76c48c4e0d505fb945eb82/0bfc7750-a955-4351-a965-dfcca17d405d.zip?sv=2021-08-06&se=2023-08-24T20%3A02%3A47Z&sr=c&sp=rl&sig=u%2BHTm9Z%2F8uMaxvjigaKw%2FNl0SQYICH1uczye1YcXHME%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-8c2f66fa-6652-4aaf-8c79-e8bd142816d35f3ea6a0cb04e64a5/c4f64882-9b78-45eb-a9aa-1f7af719a30b.zip?sv=2021-08-06&se=2023-08-25T14%3A48%3A27Z&sr=c&sp=rl&sig=C0ayx2kkP%2B1pe45jQH93RuxuY6DuYMSF0X9OTaNzSvM%3D>)
### System.Collections.ContainsTrueComparer&lt;String&gt;.HashSet(Size: 512)

#### ETL Files

#### Histogram

#### 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 17.285537707898122 < 19.90243018673686.
IsChangePoint: Marked as a change because one of 7/26/2023 12:02:55 AM, 7/27/2023 9:58:25 PM falls between 7/18/2023 9:38:16 PM and 7/27/2023 9:58:25 PM.
IsImprovementStdDev: Marked as improvement because 12.73307856853539 (T) = (0 -17877.197099411682) / Math.Sqrt((637653.3819810542 / (299)) + (359624.37335224566 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.16235901796798907 = (21342.314288448335 - 17877.197099411682) / 21342.314288448335 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### 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>

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	764f77412ef4ec1a7e5dc521608247487a66cd7e
Compare	bc23bf4ee16cbd1999105b1916e1f2f76baef6a7
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.59 μs	12.11 μs	0.69	0.16	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.80 μs	11.76 μs	0.74	0.16	False
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.95 μs	11.54 μs	0.72	0.19	False
SerializeToWriter - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.39 μs	11.32 μs	0.74	0.17	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	557.79 μs	266.09 μs	0.48	0.15	False
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	359.72 μs	299.64 μs	0.83	0.33	False
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	330.21 μs	270.99 μs	0.82	0.37	False
ICollection - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	328.80 μs	279.40 μs	0.85	0.44	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	722.40 μs	567.66 μs	0.79	0.36	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.06 ms	482.38 μs	0.46	0.03	False

[Perf] Linux/x64: 12 Improvements on 7/26/2023 8:42:30 AM #20135

Description

Run Information

Improvements in System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>

Repro

Payloads

System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>.SerializeToString(Mode: Reflection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>.SerializeToUtf8Bytes(Mode: Reflection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>.SerializeToStream(Mode: Reflection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>.SerializeToWriter(Mode: Reflection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

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

Repro

Payloads

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

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsTrue<String>

Repro

Payloads

System.Collections.ContainsTrue<String>.LinkedList(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsTrue<String>.ImmutableArray(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsTrue<String>.List(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsTrue<String>.ICollection(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsFalse<String>

Repro

Payloads

System.Collections.ContainsFalse<String>.Stack(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsFalse<String>.LinkedList(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsTrueComparer<String>

Repro