[Perf] Linux/x64: 14 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>[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> | 15.85 μs | 11.98 μs | 0.76 | 0.16 | False | | |
|<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> | 15.99 μs | 11.85 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=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>)</li></ul> | 14.97 μs | 11.43 μs | 0.76 | 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> | 15.72 μs | 11.70 μs | 0.74 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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/08_01_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/08_01_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/08_01_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/08_01_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;.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 11.97979256407804 < 15.12848710513757.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 45.732200329083874 (T) = (0 -11897.277108272141) / Math.Sqrt((1679797.4594270252 / (299)) + (12090.492926850187 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.2341914774393741 = (15535.576789471264 - 11897.277108272141) / 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;.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 11.854840285472678 < 15.450438957883096.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 43.77026997528059 (T) = (0 -12214.678742572398) / Math.Sqrt((1504901.320812375 / (299)) + (36049.6844460866 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.2381307610817587 = (16032.513348242946 - 12214.678742572398) / 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;.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 11.427941977566446 < 14.915361935448349.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 33.31534922128242 (T) = (0 -11693.18505864384) / Math.Sqrt((1595740.4418589645 / (299)) + (112327.98006081002 / (16))) is greater than 1.9675720194858106 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (16) - 2, .975) and 0.24053710068719159 = (15396.650803119268 - 11693.18505864384) / 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 11.697943014113987 < 14.569715272321321.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 40.11623118500445 (T) = (0 -11354.384268344129) / Math.Sqrt((1292272.4584998072 / (299)) + (76636.8992397586 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.2492490986744805 = (15124.036812072984 - 11354.384268344129) / 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.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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> | 381.39 μs | 297.10 μs | 0.78 | 0.43 | 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> | 361.36 μs | 299.86 μs | 0.83 | 0.31 | False | | |
|<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.ContainsTrue(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L162-#L171>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 359.02 μs | 327.68 μs | 0.91 | 0.43 | 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.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=H4sIAAAAAAAACoRVbU/bMBD+3l/hb0m2NCRpKVAWJGAfkAYbo5kmDSHkNtfWkDiV7azttB+/s/NCQstQvjh3z7347rlzCoo8TgXlsyWJSLLlNGMz+94SMJcHS6CJPMgo49aDc9pLDbZgaXIuDNzaHI+sSj7Ls9VNnoAWKwYCklojFRUqZplWJVSBwqMd+uGg7x/2/SD2j8aH4TgceOHJYHRyfPTR98e+X8cDnuy3HfaDo9gfjYPBeDj4VcNplugMfjKe5GvpBb53niWjoRf6V6H3bZ16tyDmdWaMK0j3woOTq8CL2QJExyBlvNhE1o9pwVXhBcf+sMLvQqnIRsMGGvoaqkUdkCzEnM4g6iTQoLxJ8QJdM165rLETEL8x6K5XAatc3yrJFQd1IDADLFujLfgX9KAB2GqR13IFUmnhZCsVZN5lnqYwUyznEs9cIQlkLAr4NFGC8cWZd834MyTXTCp7wv7AmBwGoVM7Wy3KDEo+4V+tSGBOi9QEqkSTZS7UV5qBLHuM3zQF+67g3wsoYCxNPJeYP42rJA65773XZ5dYWLf+ZjTsIzEst/d+p1smhh7a6I0mIhQJ0TdtQf8rJH0LvZ8dlU3H/X+aX2VThqjY0jbZ5UDHokqq93DauwGK9pABV7L3l6yXqCAx9lyXlERRSYBGc6HH/M4QKSoZ1ajqzhhNOUK56ErNnOxITU470upWu2ic5Neyegi6aeptxBSSFe+nYRZW19K2+7XGg9V1cVFuQMaJXW1Dp31fHIA5WxSCmnm4qydIV6Y8vw2+xL3IUnMu12P0sis7fbjMkTYg4nxVnRotk5Ct1Nbe8X27yOPtCpzuXfS6nChsPTlrLV/EyCLLqMBZJVQsHjO6sQ1eE8AlHxwy3b5y4DYEcZs+oJ+VyJ+wnuQ1+K38UAMShz4SeLHEbl22lJ8jhekCYQPHLZ2WIZvgdexKWzYLE3nKsWHPWP6IcQ6ivUpy3s5Y4CuCer0GZ0ssCFkztSQ2kSAYyKhZLS7ZKKZSXMif8bHBWdpWv+YJsrl0UFaKzLg4/wAAAP//>)</li></ul> | 557.53 μs | 265.95 μs | 0.48 | 0.14 | True | | |
|<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> | 327.95 μs | 297.36 μs | 0.91 | 0.36 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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/08_01_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/08_01_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/08_01_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsTrue%28String%29_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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-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.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 297.10244246967653 < 325.77371089628144.
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, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 32.79323392776587 (T) = (0 -295203.9928763724) / Math.Sqrt((214145565.527984 / (299)) + (26204545.17182185 / (16))) is greater than 1.9675720194858106 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (16) - 2, .975) and 0.1456183874928932 = (345517.7271548747 - 295203.9928763724) / 345517.7271548747 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 299.85698837601086 < 344.31956773874566.
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, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 66.83265233498841 (T) = (0 -300141.3094970354) / Math.Sqrt((202927466.05487454 / (299)) + (1694406.6425927738 / (16))) is greater than 1.9675720194858106 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (16) - 2, .975) and 0.16474198472579724 = (359339.63399142417 - 300141.3094970354) / 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;.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 327.6786335069445 < 366.8077895715375.
IsChangePoint: Marked as a change because one of 5/25/2023 10:38:38 PM, 7/25/2023 7:04:35 PM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 12.287073965072064 (T) = (0 -322613.81977146625) / Math.Sqrt((639393853.163297 / (299)) + (137451539.84903058 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.10855877580095216 = (361901.39182909334 - 322613.81977146625) / 361901.39182909334 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### 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 265.9548455019557 < 529.3170662295387.
IsChangePoint: Marked as a change because one of 5/8/2023 6:34:59 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 39.442986542331575 (T) = (0 -278852.7313833645) / Math.Sqrt((366359256.12469965 / (299)) + (837204968.3343611 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.501222018973128 = (559071.8555964906 - 278852.7313833645) / 559071.8555964906 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 297.35749363207543 < 313.93433505502855.
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, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 22.13029649836736 (T) = (0 -293334.93575273524) / Math.Sqrt((236991245.27249724 / (299)) + (105589986.64145012 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.16295501272230983 = (350441.0637554194 - 293334.93575273524) / 350441.0637554194 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>[ImmutableArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsFalse(String).ImmutableArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L165-#L174>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 609.67 μs | 542.41 μs | 0.89 | 0.30 | False | | |
|<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> | 727.30 μs | 546.78 μs | 0.75 | 0.36 | False | | |
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsFalse(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L123-#L132>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 664.67 μs | 538.03 μs | 0.81 | 0.29 | 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 | 477.87 μs | 0.45 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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/08_01_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsFalse%28String%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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;.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 542.412015625 < 580.4907561192413.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 46.685317903168055 (T) = (0 -542036.791244316) / Math.Sqrt((2297210389.5575714 / (299)) + (1145699.2941150994 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.19349563327100944 = (672081.6570934408 - 542036.791244316) / 672081.6570934408 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### 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 546.7785336206897 < 660.3484920885754.
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, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 29.332268320856727 (T) = (0 -560669.0567572012) / Math.Sqrt((1715994166.8938923 / (299)) + (278464799.74323976 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.20503232042769653 = (705272.76915062 - 560669.0567572012) / 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;.Queue(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 538.02679375 < 631.8500782412574.
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, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 38.33212050884245 (T) = (0 -541753.08399953) / Math.Sqrt((2032120875.081644 / (299)) + (43959152.85377035 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.18078037472048542 = (661303.8399985668 - 541753.08399953) / 661303.8399985668 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 477.8671241883117 < 1.002821549828869.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 53.47478444633236 (T) = (0 -493709.9354061453) / Math.Sqrt((2581136538.825138 / (299)) + (1770829542.9526162 / (16))) is greater than 1.9675720194858106 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (16) - 2, .975) and 0.5419318184945184 = (1077808.8401240269 - 493709.9354061453) / 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>[ImmutableHashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Collections.ContainsTrueComparer(String).ImmutableHashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrueComparer.cs#L77-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 40.60 μs | 34.85 μs | 0.86 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_01_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/08_01_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;.ImmutableHashSet(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 34.84707033929903 < 37.006128456550705.
IsChangePoint: Marked as a change because one of 5/16/2023 12:30:38 AM, 5/19/2023 10:30:38 AM, 7/26/2023 12:02:55 AM, 7/31/2023 8:02:29 AM falls between 7/22/2023 12:54:19 PM and 7/31/2023 8:02:29 AM.
IsImprovementStdDev: Marked as improvement because 22.241459557454178 (T) = (0 -35281.73038278723) / Math.Sqrt((3495502.2441583113 / (299)) + (455749.15103244863 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.11707523820804192 = (39960.06444669246 - 35281.73038278723) / 39960.06444669246 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
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.85 μs	11.98 μs	0.76	0.16	False
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.99 μs	11.85 μs	0.74	0.16	False
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.97 μs	11.43 μs	0.76	0.19	False
SerializeToWriter - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.72 μs	11.70 μs	0.74	0.17	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ICollection - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	381.39 μs	297.10 μs	0.78	0.43	False
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	361.36 μs	299.86 μs	0.83	0.31	False
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	359.02 μs	327.68 μs	0.91	0.43	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	557.53 μs	265.95 μs	0.48	0.14	True
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	327.95 μs	297.36 μs	0.91	0.36	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ImmutableArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	609.67 μs	542.41 μs	0.89	0.30	False
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	727.30 μs	546.78 μs	0.75	0.36	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	664.67 μs	538.03 μs	0.81	0.29	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.06 ms	477.87 μs	0.45	0.03	False

[Perf] Linux/x64: 14 Improvements on 7/26/2023 8:42:30 AM #20250

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>>.SerializeToUtf8Bytes(Mode: Reflection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

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>>.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.Collections.ContainsTrue<String>

Repro

Payloads

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

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsTrue<String>.LinkedList(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

Docs

Run Information

Improvements in System.Collections.ContainsFalse<String>

Repro

Payloads

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

ETL Files

Histogram

Description of detection logic

JIT Disasms

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

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Collections.ContainsFalse<String>.Queue(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