System.Buffers.Binary.Tests.BinaryReadAndWriteTests

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [673afec8a76cb4437eba318d7132140b7da9b111](https://github.com/dotnet/runtime/commit/673afec8a76cb4437eba318d7132140b7da9b111)
Compare | [2f8a43af7eec94a3a26ece0e5411d64577410f1a](https://github.com/dotnet/runtime/commit/2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/673afec8a76cb4437eba318d7132140b7da9b111...2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Configs | CompliationMode:tiered, RunKind:micro


### Regressions in System.Formats.Cbor.Tests.Perf_CborWriter

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteCoseKey - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey%3a%20ECDSA_P521).html>) | 630.33 ns | 719.87 ns | 1.14 | 0.03 | False | | |
[WriteCoseKey - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey%3a%20ECDSA_P256).html>) | 572.83 ns | 639.91 ns | 1.12 | 0.02 | False | | |
[WriteCoseKey - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey%3a%20ECDSA_P384).html>) | 582.88 ns | 675.83 ns | 1.16 | 0.03 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Formats.Cbor.Tests.Perf_CborWriter_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Formats.Cbor.Tests.Perf_CborWriter_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Formats.Cbor.Tests.Perf_CborWriter_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Formats.Cbor.Tests.Perf_CborWriter.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Formats.Cbor.Tests.Perf_CborWriter*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)
### Histogram

#### System.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey: ECDSA_P521)

```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 719.8683337060743 > 661.4982808663523.
IsChangePoint: Marked as a change because one of 2/13/2023 6:54:14 PM, 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -11.564558545499509 (T) = (0 -723.5504004583727) / Math.Sqrt((77.13595081478127 / (45)) + (826.9238493075813 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.1423435476868618 = (633.391243749303 - 723.5504004583727) / 633.391243749303 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.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey: ECDSA_P256)

```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 639.9148703209471 > 583.3844880597635.
IsChangePoint: Marked as a change because one of 1/10/2023 11:45:30 PM, 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -37.29938971421864 (T) = (0 -638.0509799833275) / Math.Sqrt((102.62054988361416 / (45)) + (32.111171060456776 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.14289087515525523 = (558.2781294816549 - 638.0509799833275) / 558.2781294816549 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.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey: ECDSA_P384)

```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 675.8325912216577 > 615.2575497147488.
IsChangePoint: Marked as a change because one of 1/11/2023 2:37:52 AM, 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -26.04047026489414 (T) = (0 -673.6124891543647) / Math.Sqrt((383.7306749649151 / (45)) + (14.65403765677355 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.13586713548559687 = (593.0381011212083 - 673.6124891543647) / 593.0381011212083 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

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [673afec8a76cb4437eba318d7132140b7da9b111](https://github.com/dotnet/runtime/commit/673afec8a76cb4437eba318d7132140b7da9b111)
Compare | [2f8a43af7eec94a3a26ece0e5411d64577410f1a](https://github.com/dotnet/runtime/commit/2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/673afec8a76cb4437eba318d7132140b7da9b111...2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Configs | CompliationMode:tiered, RunKind:micro


### Regressions in System.Xml.Linq.Perf_XElement

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateElementsWithNamespace - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Xml.Linq.Perf_XElement.CreateElementsWithNamespace.html>) | 104.63 ns | 114.87 ns | 1.10 | 0.05 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Xml.Linq.Perf_XElement_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Xml.Linq.Perf_XElement.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Xml.Linq.Perf_XElement*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)
### Histogram

#### System.Xml.Linq.Perf_XElement.CreateElementsWithNamespace

```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 114.86529673670462 > 109.50399425578388.
IsChangePoint: Marked as a change because one of 1/13/2023 4:37:08 PM, 1/18/2023 3:20:52 PM, 1/24/2023 10:20:22 AM, 2/20/2023 10:31:48 AM, 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -4.389396318593573 (T) = (0 -111.42071450088524) / Math.Sqrt((0.6531766938200125 / (45)) + (37.068680835806504 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.06869402016414386 = (104.25876106593336 - 111.42071450088524) / 104.25876106593336 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

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [673afec8a76cb4437eba318d7132140b7da9b111](https://github.com/dotnet/runtime/commit/673afec8a76cb4437eba318d7132140b7da9b111)
Compare | [2f8a43af7eec94a3a26ece0e5411d64577410f1a](https://github.com/dotnet/runtime/commit/2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/673afec8a76cb4437eba318d7132140b7da9b111...2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Configs | CompliationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadStructAndReverseLE - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructAndReverseLE.html>) | 1.30 ns | 8.17 ns | 6.27 | 0.37 | False | | |
[ReadStructAndReverseBE - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructAndReverseBE.html>) | 13.46 ns | 15.78 ns | 1.17 | 0.63 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Binary.Tests.BinaryReadAndWriteTests*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)
### Histogram

#### System.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructAndReverseLE

```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 8.167938846535769 > 1.3975800016097022.
IsChangePoint: Marked as a change because one of 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -97.92977094233322 (T) = (0 -8.652844892749059) / Math.Sqrt((0.006749899736193148 / (45)) + (0.07569390271517575 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -5.396080167201258 = (1.3528355909484007 - 8.652844892749059) / 1.3528355909484007 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.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructAndReverseBE

```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 15.777489774253384 > 13.928980752590498.
IsChangePoint: Marked as a change because one of 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -10.040053091498793 (T) = (0 -15.331183594915322) / Math.Sqrt((1.787631447493644 / (45)) + (0.12942140707381405 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.16947892033693288 = (13.109414225694918 - 15.331183594915322) / 13.109414225694918 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

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [673afec8a76cb4437eba318d7132140b7da9b111](https://github.com/dotnet/runtime/commit/673afec8a76cb4437eba318d7132140b7da9b111)
Compare | [2f8a43af7eec94a3a26ece0e5411d64577410f1a](https://github.com/dotnet/runtime/commit/2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/673afec8a76cb4437eba318d7132140b7da9b111...2f8a43af7eec94a3a26ece0e5411d64577410f1a)
Configs | CompliationMode:tiered, RunKind:micro


### Regressions in System.Reflection.Attributes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetCustomAttributesClassMiss - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Reflection.Attributes.GetCustomAttributesClassMiss.html>) | 103.14 ns | 110.28 ns | 1.07 | 0.12 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Reflection.Attributes_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_21_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Reflection.Attributes.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Reflection.Attributes*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-74ccb8a4-1f18-4852-92eb-edf217affabb0f1f6b6f359425784/88b505b9-2c3a-41e2-bb13-439ddbc78eca.zip?sv=2021-08-06&se=2023-04-16T09%3A15%3A27Z&sr=c&sp=rl&sig=aRdUV7rad1VfxKDPsueJJRqEy8iByb5UJyrZZn29%2FEc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a71a44ef-6197-43f3-a895-bb4c1f07c59ce3179f7d9bd41c5af/c379885b-fcd9-445d-bb7f-f5c5028e3676.zip?sv=2021-08-06&se=2023-04-16T19%3A18%3A53Z&sr=c&sp=rl&sig=ciBoPMfb51ontHzssXC1nLTSrWqER7ezxI5xKI1%2FVOc%3D>)
### Histogram

#### System.Reflection.Attributes.GetCustomAttributesClassMiss

```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 110.27518213204208 > 108.52837332133602.
IsChangePoint: Marked as a change because one of 2/28/2023 10:21:25 PM, 3/5/2023 11:54:18 PM, 3/8/2023 9:36:36 PM, 3/17/2023 10:06:19 AM, 3/21/2023 3:33:39 AM falls between 3/11/2023 9:11:51 PM and 3/21/2023 3:33:39 AM.
IsRegressionStdDev: Marked as regression because -6.990544502612381 (T) = (0 -110.24449758453878) / Math.Sqrt((9.034063724976647 / (45)) + (15.947561128677734 / (14))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (45) + (14) - 2, .025) and -0.07921218789802174 = (102.15275440806654 - 110.24449758453878) / 102.15275440806654 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>

Name	Value
Architecture	x64
OS	Windows 10.0.19042
Queue	OwlWindows
Baseline	673afec8a76cb4437eba318d7132140b7da9b111
Compare	2f8a43af7eec94a3a26ece0e5411d64577410f1a
Diff	Diff
Configs	CompliationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteCoseKey - Duration of single invocation	630.33 ns	719.87 ns	1.14	0.03	False
WriteCoseKey - Duration of single invocation	572.83 ns	639.91 ns	1.12	0.02	False
WriteCoseKey - Duration of single invocation	582.88 ns	675.83 ns	1.16	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadStructAndReverseLE - Duration of single invocation	1.30 ns	8.17 ns	6.27	0.37	False
ReadStructAndReverseBE - Duration of single invocation	13.46 ns	15.78 ns	1.17	0.63	False

System.Buffers.Binary.Tests.BinaryReadAndWriteTests #83735

Description

Run Information

Regressions in System.Formats.Cbor.Tests.Perf_CborWriter

Repro

Payloads

Payloads

Histogram

System.Formats.Cbor.Tests.Perf_CborWriter.WriteCoseKey(publicKey: ECDSA_P521)

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Xml.Linq.Perf_XElement

Repro

Payloads

Payloads

Histogram

System.Xml.Linq.Perf_XElement.CreateElementsWithNamespace

Description of detection logic

Docs

Run Information

Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Repro

Payloads

Payloads

Histogram

System.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructAndReverseLE

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Reflection.Attributes

Repro

Payloads

Payloads

Histogram

System.Reflection.Attributes.GetCustomAttributesClassMiss

Description of detection logic

Docs

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