[Perf] Linux/x64: 1922 Regressions on 12/9/2022 5:51:37 PM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [9333e468a9bc61950f3c7b25d52338dfd956ce78](https://github.com/dotnet/runtime/commit/9333e468a9bc61950f3c7b25d52338dfd956ce78)
Compare | [0b7fd637e93a02942eac1cec903d836194fceb86](https://github.com/dotnet/runtime/commit/0b7fd637e93a02942eac1cec903d836194fceb86)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9333e468a9bc61950f3c7b25d52338dfd956ce78...0b7fd637e93a02942eac1cec903d836194fceb86)


### Regressions in System.Memory.ReadOnlySequence

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Slice_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>) | 168.60 ns | 197.92 ns | 1.17 | 0.12 | False | | |
[Slice_Start_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment%3a%20Multiple).html>) | 291.70 ns | 350.13 ns | 1.20 | 0.13 | False | | |
[Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment%3a%20Multiple).html>) | 979.13 ns | 1.13 μs | 1.15 | 0.09 | False | | |
[Slice_Start_And_Length - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Start_And_Length(Segment%3a%20Multiple).html>) | 304.12 ns | 361.95 ns | 1.19 | 0.11 | False | | |
[Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment%3a%20Single).html>) | 756.18 ns | 896.40 ns | 1.19 | 0.10 | False | | |
[Slice_Repeat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Repeat(Segment%3a%20Multiple).html>) | 1.24 μs | 1.46 μs | 1.18 | 0.06 | False | | |
[Slice_StartPosition_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment%3a%20Single).html>) | 126.44 ns | 157.65 ns | 1.25 | 0.12 | False | | |
[Slice_StartPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_StartPosition(Segment%3a%20Multiple).html>) | 173.75 ns | 200.26 ns | 1.15 | 0.15 | False | | |
[Slice_Start_And_Length - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Start_And_Length(Segment%3a%20Single).html>) | 184.41 ns | 232.57 ns | 1.26 | 0.11 | False | | |
[Slice_StartPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_StartPosition(Segment%3a%20Single).html>) | 137.01 ns | 153.56 ns | 1.12 | 0.09 | False | | |
[Slice_StartPosition_And_Length - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_StartPosition_And_Length(Segment%3a%20Single).html>) | 226.88 ns | 271.92 ns | 1.20 | 0.19 | False | | |
[Slice_Repeat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Repeat(Segment%3a%20Single).html>) | 865.44 ns | 1.02 μs | 1.18 | 0.07 | False | | |
[Slice_Start_And_EndPosition - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment%3a%20Single).html>) | 226.07 ns | 266.70 ns | 1.18 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_8.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_9.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_10.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_11.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_12.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence_13.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.Memory.ReadOnlySequence.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.ReadOnlySequence*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-64ac8c1d-23d7-45b0-b37b-e81700c70f5a9382a0237734c3082/6e890447-5dc9-4844-99d1-f4c1642459b0.zip?sv=2021-08-06&se=2023-01-08T12%3A57%3A12Z&sr=c&sp=rl&sig=Re3ogkDQYzVMfyVcj4wncjDzkZmwazUbrvYC4cP4hKE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6075c7b8-844c-434a-963f-2f1811a64539b4600aad1d3492fa4/a0b897fd-8e9f-45d6-bcbc-890847086f36.zip?sv=2021-08-06&se=2023-01-08T23%3A26%3A34Z&sr=c&sp=rl&sig=5NoYivoSNgm9GFAko785LcwHAc34gv%2BGVpdHnxwMWrI%3D>)
### Histogram

#### System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 197.92235988743397 > 177.18567282127594.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -16.518877405406933 (T) = (0 -202.7045277235993) / Math.Sqrt((7.74880234240451 / (44)) + (55.15055086716372 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.19041669801508174 = (170.28031281952934 - 202.7045277235993) / 170.28031281952934 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 350.1305290205563 > 307.44407417885117.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -32.23696868966313 (T) = (0 -348.4570633390689) / Math.Sqrt((47.037409026319764 / (44)) + (25.147655277881256 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.18104446377011776 = (295.04144342434654 - 348.4570633390689) / 295.04144342434654 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.1257044070730031 > 1018.4313616942279.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -19.76998596056479 (T) = (0 -1132.2783371880653) / Math.Sqrt((507.9592338522709 / (44)) + (783.3442909525414 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.16201903219570601 = (974.406017299524 - 1132.2783371880653) / 974.406017299524 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Start_And_Length(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 361.9522386943119 > 320.58757056165683.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -17.51154440305134 (T) = (0 -359.21893417920535) / Math.Sqrt((25.091528603303146 / (44)) + (134.2726660427784 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.17706109648765916 = (305.1829129780194 - 359.21893417920535) / 305.1829129780194 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Repeat_StartPosition_And_EndPosition(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 896.3998395257353 > 791.1629829933098.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -15.129326084305122 (T) = (0 -907.5184643486697) / Math.Sqrt((749.3372694873966 / (44)) + (1165.9263934653638 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.19372103424557513 = (760.2433385302758 - 907.5184643486697) / 760.2433385302758 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Repeat(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.4632897004821581 > 1.280391183649244.
IsChangePoint: Marked as a change because one of 10/19/2022 7:27:15 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -51.53226989587857 (T) = (0 -1470.322082448716) / Math.Sqrt((472.1679724299574 / (44)) + (165.7637494100169 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.1955638150074219 = (1229.814807032771 - 1470.322082448716) / 1229.814807032771 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 157.651999910994 > 133.27816282562117.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -55.04543256682334 (T) = (0 -155.43679116786527) / Math.Sqrt((2.533955291854354 / (44)) + (3.1965320233402688 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.22586430331189639 = (126.79771386435218 - 155.43679116786527) / 126.79771386435218 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_StartPosition(Segment: Multiple)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 200.2626097402163 > 185.2991957050644.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 5:51:37 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -12.137246288330198 (T) = (0 -197.21144851002373) / Math.Sqrt((18.151887331455605 / (45)) + (32.62229025818346 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.11328053281699349 = (177.14443277922862 - 197.21144851002373) / 177.14443277922862 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Start_And_Length(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 232.56969725060424 > 194.94879794989387.
IsChangePoint: Marked as a change because one of 10/19/2022 4:51:05 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -13.99315150844873 (T) = (0 -221.82693819480966) / Math.Sqrt((18.517376723056536 / (44)) + (89.19905872923223 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.1893129310972052 = (186.51688079281402 - 221.82693819480966) / 186.51688079281402 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_StartPosition(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 153.56326433206314 > 144.38586512065675.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 9:29:01 AM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -21.616097757156435 (T) = (0 -155.99142699419) / Math.Sqrt((6.059356812812471 / (43)) + (7.492576447231934 / (16))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (16) - 2, .025) and -0.12127432128517877 = (139.11977116839367 - 155.99142699419) / 139.11977116839367 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_StartPosition_And_Length(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 271.9177404578498 > 240.41243886641726.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -34.74384614382784 (T) = (0 -272.3166263147044) / Math.Sqrt((47.33209047975967 / (44)) + (3.647884122814358 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.17168117569711702 = (232.41529518700662 - 272.3166263147044) / 232.41529518700662 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Repeat(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.0199767037539629 > 905.1480858010625.
IsChangePoint: Marked as a change because one of 10/20/2022 5:12:08 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -44.91297953179902 (T) = (0 -1023.9921291190827) / Math.Sqrt((93.20411266984439 / (44)) + (145.52529598092596 / (14))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (14) - 2, .025) and -0.18364363695718636 = (865.1186025478728 - 1023.9921291190827) / 865.1186025478728 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.ReadOnlySequence.Slice_Start_And_EndPosition(Segment: Single)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 266.7036457369877 > 241.66848163482152.
IsChangePoint: Marked as a change because one of 10/11/2022 6:23:40 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -25.157850395118523 (T) = (0 -269.43697593752916) / Math.Sqrt((19.939290877412624 / (44)) + (27.358908916864227 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.16400696603130746 = (231.47367996961137 - 269.43697593752916) / 231.47367996961137 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>
### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [9333e468a9bc61950f3c7b25d52338dfd956ce78](https://github.com/dotnet/runtime/commit/9333e468a9bc61950f3c7b25d52338dfd956ce78)
Compare | [0b7fd637e93a02942eac1cec903d836194fceb86](https://github.com/dotnet/runtime/commit/0b7fd637e93a02942eac1cec903d836194fceb86)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9333e468a9bc61950f3c7b25d52338dfd956ce78...0b7fd637e93a02942eac1cec903d836194fceb86)


### Regressions in System.IO.Tests.StreamReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>) | 250.09 μs | 449.92 μs | 1.80 | 0.05 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%2033%2c%20%20128%5d).html>) | 345.21 μs | 478.99 μs | 1.39 | 0.03 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%20%209%2c%20%20%2032%5d).html>) | 642.46 μs | 737.98 μs | 1.15 | 0.03 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>) | 250.32 μs | 448.34 μs | 1.79 | 0.04 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_CompliationMode=wasm_RunKind=micro/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>) | 247.65 μs | 443.93 μs | 1.79 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_13_2022/refs/heads/main_x64_ubuntu%2018.04_CompliationMode=wasm_RunKind=micro_Regression/System.IO.Tests.StreamReaderReadLineTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StreamReaderReadLineTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-64ac8c1d-23d7-45b0-b37b-e81700c70f5a9382a0237734c3082/6e890447-5dc9-4844-99d1-f4c1642459b0.zip?sv=2021-08-06&se=2023-01-08T12%3A57%3A12Z&sr=c&sp=rl&sig=Re3ogkDQYzVMfyVcj4wncjDzkZmwazUbrvYC4cP4hKE%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6075c7b8-844c-434a-963f-2f1811a64539b4600aad1d3492fa4/a0b897fd-8e9f-45d6-bcbc-890847086f36.zip?sv=2021-08-06&se=2023-01-08T23%3A26%3A34Z&sr=c&sp=rl&sig=5NoYivoSNgm9GFAko785LcwHAc34gv%2BGVpdHnxwMWrI%3D>)
### Histogram

#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [1025, 2048])

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 449.92346938775506 > 263.4478261040707.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 11/7/2022 4:10:19 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -81.93017220587247 (T) = (0 -449630.8336568549) / Math.Sqrt((243709322.8936953 / (44)) + (2590309.8868702245 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.7714038731951897 = (253827.39671096476 - 449630.8336568549) / 253827.39671096476 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [  33,  128])

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 478.9940641414141 > 356.33131760555193.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 11/7/2022 10:11:20 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -40.60623622904413 (T) = (0 -483864.7697008473) / Math.Sqrt((264496248.83511817 / (44)) + (110852439.23642598 / (14))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (14) - 2, .025) and -0.4560459655913539 = (332314.2133801607 - 483864.7697008473) / 332314.2133801607 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [   9,   32])

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 737.9793011363639 > 686.7939707161459.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 11/7/2022 4:10:19 PM, 12/3/2022 2:55:34 AM, 12/8/2022 9:11:55 AM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -11.503492931924368 (T) = (0 -720843.0475647617) / Math.Sqrt((1839148387.745977 / (44)) + (30858818.99515411 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.11817137814186991 = (644662.4029695952 - 720843.0475647617) / 644662.4029695952 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [ 129, 1024])

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 448.3428555952382 > 264.76808312872026.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 11/7/2022 4:10:19 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -92.23129980004123 (T) = (0 -443571.72250951367) / Math.Sqrt((178256896.18906 / (44)) + (3623104.700536639 / (15))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (15) - 2, .025) and -0.7568847884266237 = (252476.2724519653 - 443571.72250951367) / 252476.2724519653 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [   0, 1024])

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 443.9308226495727 > 264.5840930953581.
IsChangePoint: Marked as a change because one of 9/28/2022 6:40:13 PM, 11/7/2022 4:10:19 PM, 12/9/2022 1:52:32 PM, 12/13/2022 2:17:54 AM falls between 12/4/2022 6:53:17 AM and 12/13/2022 2:17:54 AM.
IsRegressionStdDev: Marked as regression because -96.75597907990853 (T) = (0 -441325.2574755801) / Math.Sqrt((162619496.96342447 / (43)) + (1821043.072159508 / (15))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (15) - 2, .025) and -0.7641164635460395 = (250167.8696362682 - 441325.2574755801) / 250167.8696362682 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>




Architecture	x64
OS	ubuntu 18.04
Baseline	9333e468a9bc61950f3c7b25d52338dfd956ce78
Compare	0b7fd637e93a02942eac1cec903d836194fceb86
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Slice_StartPosition_And_EndPosition - Duration of single invocation	168.60 ns	197.92 ns	1.17	0.12	False
Slice_Start_And_EndPosition - Duration of single invocation	291.70 ns	350.13 ns	1.20	0.13	False
Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation	979.13 ns	1.13 μs	1.15	0.09	False
Slice_Start_And_Length - Duration of single invocation	304.12 ns	361.95 ns	1.19	0.11	False
Slice_Repeat_StartPosition_And_EndPosition - Duration of single invocation	756.18 ns	896.40 ns	1.19	0.10	False
Slice_Repeat - Duration of single invocation	1.24 μs	1.46 μs	1.18	0.06	False
Slice_StartPosition_And_EndPosition - Duration of single invocation	126.44 ns	157.65 ns	1.25	0.12	False
Slice_StartPosition - Duration of single invocation	173.75 ns	200.26 ns	1.15	0.15	False
Slice_Start_And_Length - Duration of single invocation	184.41 ns	232.57 ns	1.26	0.11	False
Slice_StartPosition - Duration of single invocation	137.01 ns	153.56 ns	1.12	0.09	False
Slice_StartPosition_And_Length - Duration of single invocation	226.88 ns	271.92 ns	1.20	0.19	False
Slice_Repeat - Duration of single invocation	865.44 ns	1.02 μs	1.18	0.07	False
Slice_Start_And_EndPosition - Duration of single invocation	226.07 ns	266.70 ns	1.18	0.13	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadLine - Duration of single invocation	250.09 μs	449.92 μs	1.80	0.05	False
ReadLine - Duration of single invocation	345.21 μs	478.99 μs	1.39	0.03	False
ReadLine - Duration of single invocation	642.46 μs	737.98 μs	1.15	0.03	False
ReadLine - Duration of single invocation	250.32 μs	448.34 μs	1.79	0.04	False
ReadLine - Duration of single invocation	247.65 μs	443.93 μs	1.79	0.02	False

[Perf] Linux/x64: 1922 Regressions on 12/9/2022 5:51:37 PM #10711

Description

Run Information

Regressions in System.Memory.ReadOnlySequence

Repro

Payloads

Histogram

System.Memory.ReadOnlySequence.Slice_StartPosition_And_EndPosition(Segment: Multiple)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Regressions in System.IO.Tests.StreamReaderReadLineTests

Repro

Payloads

Histogram

System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [1025, 2048])

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions