[Perf] Linux/x64: 22 Improvements on 9/2/2023 9:37:00 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FormatterInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value%3a%20-2147483648).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L31-#L33>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.92 ns | 8.78 ns | 0.80 | 0.17 | True | | |
|<ul><li>[FormatterInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8FormatterTests.cs#L31-#L33>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.98 ns | 1.33 ns | 0.33 | 0.04 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests.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.Text.Tests.Utf8FormatterTests*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

#### 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 8.778522553995263 < 10.231591283280784.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 22.190430922245834 (T) = (0 -8.840345923603017) / Math.Sqrt((0.40453555623314147 / (68)) + (0.021938694126123884 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.1974395850696566 = (11.015178121350898 - 8.840345923603017) / 11.015178121350898 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
#### JIT Disasms

### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 4)

#### 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 1.3260894111033263 < 3.7627009410143786.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 92.73467024898108 (T) = (0 -1.325506699531602) / Math.Sqrt((0.0486253033024063 / (68)) + (7.388815677270218E-06 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.6518652989225748 = (3.8074535386140944 - 1.325506699531602) / 3.8074535386140944 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsKeyFalse(Int32%2c%20Int32).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L88-#L97>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 23.46 μs | 17.53 μs | 0.75 | 0.11 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%28Int32%2C%20Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%28Int32%2C%20Int32%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.ContainsKeyFalse&lt;Int32, Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;.SortedDictionary(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 17.53097654320987 < 22.27051779562024.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 9.958856411701419 (T) = (0 -18261.013206158863) / Math.Sqrt((542787.311252309 / (62)) + (1755175.189863195 / (6))) is greater than 1.9965644189515825 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (62) + (6) - 2, .975) and 0.23038166767045454 = (23727.36256279771 - 18261.013206158863) / 23727.36256279771 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Tests.Perf_StreamWriter

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WritePartialCharArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength%3a%202).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Extensions/Perf.StreamWriter.cs#L72-#L93>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 106.55 ms | 87.61 ms | 0.82 | 0.38 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.IO.Tests.Perf_StreamWriter_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.IO.Tests.Perf_StreamWriter.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.IO.Tests.Perf_StreamWriter*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

#### 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 87.6109985 < 101.51340363249999.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 8.91770383028208 (T) = (0 -90322175.9728836) / Math.Sqrt((42588376612416.734 / (68)) + (20495733481261.164 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.16562688086387942 = (108251541.06882048 - 90322175.9728836) / 108251541.06882048 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WhereSingleOrDefault_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L130-#L132>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 210.18 ns | 192.17 ns | 0.91 | 0.03 | False | | |
|<ul><li>[Contains_ElementNotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input%3a%20ICollection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L288-#L290>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.10 ns | 9.78 ns | 0.88 | 0.09 | False | | |
|<ul><li>[ElementAt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.ElementAt(input%3a%20IList).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L374-#L376>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.09 ns | 3.98 ns | 0.78 | 0.29 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable.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.Linq.Tests.Perf_Enumerable*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: List)

#### 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 192.17008377235268 < 199.1222592644151.
IsChangePoint: Marked as a change because one of 8/14/2023 10:44:26 PM, 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 8.645065905256741 (T) = (0 -194.56145910242503) / Math.Sqrt((62.41054194438532 / (68)) + (5.54632271052485 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.05687826794273813 = (206.2951711207225 - 194.56145910242503) / 206.2951711207225 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input: ICollection)

#### 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 9.782993473984698 < 10.541559437216137.
IsChangePoint: Marked as a change because one of 8/15/2023 7:48:35 PM, 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 26.15063196490128 (T) = (0 -9.776464418294216) / Math.Sqrt((0.13521896495988908 / (68)) + (0.00017796899825791036 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.10727478472481512 = (10.951258294278823 - 9.776464418294216) / 10.951258294278823 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.ElementAt(input: IList)

#### 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 3.975158904852031 < 5.35675585942774.
IsChangePoint: Marked as a change because one of 8/15/2023 7:48:35 PM, 8/28/2023 1:23:07 PM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 10.053815024073403 (T) = (0 -4.027586600594557) / Math.Sqrt((0.5240684053991004 / (49)) + (0.007702790287819613 / (25))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (49) + (25) - 2, .975) and 0.2075114850420327 = (5.082201854758962 - 4.027586600594557) / 5.082201854758962 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%ef%bf%bd2020%2c512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encodings.Web/Perf.Encoders.cs#L28-#L30>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 73.26 ns | 67.09 ns | 0.92 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders.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.Encodings.Web.Tests.Perf_Encoders*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,512)

#### 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 67.08752725014091 < 69.29182973792324.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 13.601909153993795 (T) = (0 -66.34620847813214) / Math.Sqrt((4.051102208154569 / (68)) + (1.1368494812094632 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.09281590706381436 = (73.13422820653355 - 66.34620847813214) / 73.13422820653355 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.TryGetValueTrue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.TryGetValueTrue(Int32%2c%20Int32).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L86-#L95>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 20.07 μs | 14.45 μs | 0.72 | 0.03 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueTrue%28Int32%2C%20Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.TryGetValueTrue%28Int32%2C%20Int32%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.TryGetValueTrue&lt;Int32, Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Collections.TryGetValueTrue&lt;Int32, Int32&gt;.SortedDictionary(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 14.450565250154181 < 19.074157374140164.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 139.95853935851306 (T) = (0 -14455.025534811715) / Math.Sqrt((104666.73919505815 / (62)) + (339.4916980632919 / (6))) is greater than 1.9965644189515825 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (62) + (6) - 2, .975) and 0.28796944762486854 = (20301.13102112523 - 14455.025534811715) / 20301.13102112523 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 22.04
Queue | TigerUbuntu
Baseline | [f6b6415119b4d6d4421b3186a6a8aaa4803af969](https://github.com/dotnet/runtime/commit/f6b6415119b4d6d4421b3186a6a8aaa4803af969)
Compare | [27eb95c53f086e368b6dcc99cfdc1e6713d98ee6](https://github.com/dotnet/runtime/commit/27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f6b6415119b4d6d4421b3186a6a8aaa4803af969...27eb95c53f086e368b6dcc99cfdc1e6713d98ee6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IndexerSet&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IndexerSet(Int32).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L120-#L128>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.01 μs | 17.24 μs | 0.91 | 0.01 | True | | |
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IndexerSet(Int32).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L86-#L94>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.69 μs | 2.33 μs | 0.50 | 0.45 | False | | |
|<ul><li>[IList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IndexerSet(Int32).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L67-#L69>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 677.73 ns | 469.09 ns | 0.69 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.IndexerSet%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.IndexerSet%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.IndexerSet%28Int32%29_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_05_2023/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.IndexerSet%28Int32%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.IndexerSet&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1865f79f-72ad-4af4-8685-499d51c6fb1b9936138b99441b6ba/ad76c4d9-12ec-47aa-89c3-80b95af70743.zip?sv=2021-08-06&se=2023-10-01T17%3A18%3A51Z&sr=c&sp=rl&sig=eAqfi3yJkdc41c9UeVLStkZUzwgfxfvdUJFTEMTXHlk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-652ce71c-06d8-460a-8b4b-f7cbdfe77b5358fbb066027474099/74c0f9ab-c435-4e97-8d55-7f8bb836353b.zip?sv=2021-08-06&se=2023-10-02T20%3A44%3A18Z&sr=c&sp=rl&sig=xH46f0mtsXpermgGI%2FeXIaH8cwXZAfxnML6SU4qc4CU%3D>)
### System.Collections.IndexerSet&lt;Int32&gt;.SortedDictionary(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 17.238612265193375 < 18.14753529900505.
IsChangePoint: Marked as a change because one of 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 41.37297881625694 (T) = (0 -17219.882565129465) / Math.Sqrt((72874.23096332162 / (68)) + (4116.759881967324 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.09151454385615373 = (18954.494481640806 - 17219.882565129465) / 18954.494481640806 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.IndexerSet&lt;Int32&gt;.Dictionary(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 2.330328107445833 < 2.4701226986489093.
IsChangePoint: Marked as a change because one of 8/26/2023 7:53:22 PM, 9/2/2023 3:43:46 AM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 5.621469298724456 (T) = (0 -2375.109419169881) / Math.Sqrt((388128.30172025994 / (68)) + (6061.58341272682 / (6))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (68) + (6) - 2, .975) and 0.16247453718879012 = (2835.8653254525166 - 2375.109419169881) / 2835.8653254525166 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Collections.IndexerSet&lt;Int32&gt;.IList(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 469.0882420326446 < 539.7576037250099.
IsChangePoint: Marked as a change because one of 8/10/2023 8:47:51 AM, 8/28/2023 1:23:07 PM, 9/4/2023 7:24:21 PM falls between 8/27/2023 6:19:41 AM and 9/4/2023 7:24:21 PM.
IsImprovementStdDev: Marked as improvement because 13.683529419995152 (T) = (0 -468.711331888094) / Math.Sqrt((2513.310744531282 / (49)) + (3.5379911211176918 / (25))) is greater than 1.9934635666612894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (49) + (25) - 2, .975) and 0.173123718001227 = (566.8457810340115 - 468.711331888094) / 566.8457810340115 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 22.04
Queue	TigerUbuntu
Baseline	f6b6415119b4d6d4421b3186a6a8aaa4803af969
Compare	27eb95c53f086e368b6dcc99cfdc1e6713d98ee6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FormatterInt32 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	10.92 ns	8.78 ns	0.80	0.17	True
FormatterInt32 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.98 ns	1.33 ns	0.33	0.04	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WhereSingleOrDefault_LastElementMatches - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	210.18 ns	192.17 ns	0.91	0.03	False
Contains_ElementNotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	11.10 ns	9.78 ns	0.88	0.09	False
ElementAt - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	5.09 ns	3.98 ns	0.78	0.29	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SortedDictionary - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	19.01 μs	17.24 μs	0.91	0.01	True
Dictionary - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	4.69 μs	2.33 μs	0.50	0.45	False
IList - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	677.73 ns	469.09 ns	0.69	0.16	False

[Perf] Linux/x64: 22 Improvements on 9/2/2023 9:37:00 AM #21207

Description

Run Information

Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Repro

Payloads

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: -2147483648)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 4)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsKeyFalse<Int32, Int32>

Repro

Payloads

System.Collections.ContainsKeyFalse<Int32, Int32>.SortedDictionary(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.IO.Tests.Perf_StreamWriter

Repro

Payloads

System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

Payloads

System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: List)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input: ICollection)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Linq.Tests.Perf_Enumerable.ElementAt(input: IList)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

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

Repro

Payloads

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,�2020,512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.TryGetValueTrue<Int32, Int32>

Repro

Payloads

System.Collections.TryGetValueTrue<Int32, Int32>.SortedDictionary(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IndexerSet<Int32>

Repro