[Perf] Linux/x64: 11 Improvements on 6/30/2023 4:39:46 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [cdd7566751185d8330b1229b5b7aeb64605fbbf2](https://github.com/dotnet/runtime/commit/cdd7566751185d8330b1229b5b7aeb64605fbbf2)
Compare | [4c212c5efea71c7f95889cb996e64488da8c3377](https://github.com/dotnet/runtime/commit/4c212c5efea71c7f95889cb996e64488da8c3377)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cdd7566751185d8330b1229b5b7aeb64605fbbf2...4c212c5efea71c7f95889cb996e64488da8c3377)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Document.Tests.Perf_EnumerateObject

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EnumerateProperties - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase%3a%20NumericProperties).html>) | 735.18 ns | 663.16 ns | 0.90 | 0.01 | False | | |
[EnumerateProperties - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase%3a%20StringProperties).html>) | 712.79 ns | 662.26 ns | 0.93 | 0.02 | False | | |
[EnumerateProperties - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase%3a%20ObjectProperties).html>) | 1.40 μs | 993.41 ns | 0.71 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateObject_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateObject_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateObject_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateObject.html>)

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

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateObject*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e31598df-5ff5-4d1a-b037-9c6d58c1c32c9d4c0232e0f4fa6ba/91382ebe-51da-4510-9b39-795adcc41922.zip?sv=2021-08-06&se=2023-07-30T06%3A41%3A49Z&sr=c&sp=rl&sig=Hh6zpjhd3dIsEyuHl93v6P%2F0NxgWoR02elomyhD%2B9%2FM%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-33fad486-e5a0-45fe-adcd-b2897de23d46482daab76d64f2ab6/065694eb-0ac2-481c-b244-f1abd6fb6475.zip?sv=2021-08-06&se=2023-07-31T00%3A09%3A03Z&sr=c&sp=rl&sig=VKcMu99AyBKNeKB%2FGIIaxqYsbde6UTUWZMxZtZQpWgM%3D>)
### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: NumericProperties)

#### Histogram
```log

```
#### 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 663.1588153169303 < 698.6489839179177.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/19/2023 10:30:38 AM, 6/29/2023 3:17:38 AM, 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 41.81972364265755 (T) = (0 -662.6987518397744) / Math.Sqrt((527.5000667182487 / (299)) + (0.13551028618608366 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.07764016261020346 = (718.4817952559146 - 662.6987518397744) / 718.4817952559146 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: StringProperties)

#### Histogram
```log

```
#### 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 662.2602342484699 < 677.0042327943394.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/22/2023 9:02:11 PM, 6/29/2023 3:17:38 AM, 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 41.122979686208794 (T) = (0 -662.7514473900717) / Math.Sqrt((535.4168671105292 / (299)) + (0.1661993228364763 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.07702998044996963 = (718.0638951990863 - 662.7514473900717) / 718.0638951990863 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: ObjectProperties)

#### Histogram
```log

```
#### 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 993.4118275604019 < 1.3320528983924624.
IsChangePoint: Marked as a change because one of 6/29/2023 3:17:38 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 257.89901134909394 (T) = (0 -996.5603644647352) / Math.Sqrt((730.525835686879 / (299)) + (6.383289179078625 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.3047461882396652 = (1433.3763405647687 - 996.5603644647352) / 1433.3763405647687 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 18.04
Queue | TigerUbuntu
Baseline | [cdd7566751185d8330b1229b5b7aeb64605fbbf2](https://github.com/dotnet/runtime/commit/cdd7566751185d8330b1229b5b7aeb64605fbbf2)
Compare | [4c212c5efea71c7f95889cb996e64488da8c3377](https://github.com/dotnet/runtime/commit/4c212c5efea71c7f95889cb996e64488da8c3377)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cdd7566751185d8330b1229b5b7aeb64605fbbf2...4c212c5efea71c7f95889cb996e64488da8c3377)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Globalization.Tests.StringHash

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetHashCode - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Globalization.Tests.StringHash.GetHashCode(Count%3a%20128%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>) | 86.65 ns | 79.65 ns | 0.92 | 0.00 | True | | |
[GetHashCode - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Globalization.Tests.StringHash.GetHashCode(Count%3a%20131072%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>) | 85.39 μs | 79.19 μs | 0.93 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Globalization.Tests.StringHash_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Globalization.Tests.StringHash_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Globalization.Tests.StringHash.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.Globalization.Tests.StringHash*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e31598df-5ff5-4d1a-b037-9c6d58c1c32c9d4c0232e0f4fa6ba/91382ebe-51da-4510-9b39-795adcc41922.zip?sv=2021-08-06&se=2023-07-30T06%3A41%3A49Z&sr=c&sp=rl&sig=Hh6zpjhd3dIsEyuHl93v6P%2F0NxgWoR02elomyhD%2B9%2FM%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-33fad486-e5a0-45fe-adcd-b2897de23d46482daab76d64f2ab6/065694eb-0ac2-481c-b244-f1abd6fb6475.zip?sv=2021-08-06&se=2023-07-31T00%3A09%3A03Z&sr=c&sp=rl&sig=VKcMu99AyBKNeKB%2FGIIaxqYsbde6UTUWZMxZtZQpWgM%3D>)
### System.Globalization.Tests.StringHash.GetHashCode(Count: 128, Options: (en-US, Ordinal))

#### Histogram
```log

```
#### 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 79.64505653845484 < 82.2922704588364.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 81.21575515595038 (T) = (0 -79.777851763058) / Math.Sqrt((0.21977965214715245 / (299)) + (0.0641749220180238 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.08281005084323527 = (86.9807304761715 - 79.777851763058) / 86.9807304761715 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
#### JIT Disasms

### System.Globalization.Tests.StringHash.GetHashCode(Count: 131072, Options: (en-US, Ordinal))

#### Histogram
```log

```
#### 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 79.19272601010101 < 81.11231413439765.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 171.06629136610383 (T) = (0 -79074.99524593733) / Math.Sqrt((43172.54218911968 / (299)) + (10700.642596227837 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.07321129527045944 = (85321.49220464802 - 79074.99524593733) / 85321.49220464802 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 18.04
Queue | TigerUbuntu
Baseline | [cdd7566751185d8330b1229b5b7aeb64605fbbf2](https://github.com/dotnet/runtime/commit/cdd7566751185d8330b1229b5b7aeb64605fbbf2)
Compare | [4c212c5efea71c7f95889cb996e64488da8c3377](https://github.com/dotnet/runtime/commit/4c212c5efea71c7f95889cb996e64488da8c3377)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cdd7566751185d8330b1229b5b7aeb64605fbbf2...4c212c5efea71c7f95889cb996e64488da8c3377)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Hashing

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetStringHashCode - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Hashing.GetStringHashCode(BytesCount%3a%20100).html>) | 32.18 ns | 29.21 ns | 0.91 | 0.00 | True | | |
[GetStringHashCode - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Hashing.GetStringHashCode(BytesCount%3a%201000).html>) | 329.94 ns | 300.41 ns | 0.91 | 0.00 | True | | |
[GetStringHashCode - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Hashing.GetStringHashCode(BytesCount%3a%2010000).html>) | 3.26 μs | 3.00 μs | 0.92 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Hashing_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Hashing_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Hashing_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Hashing.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.Hashing*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e31598df-5ff5-4d1a-b037-9c6d58c1c32c9d4c0232e0f4fa6ba/91382ebe-51da-4510-9b39-795adcc41922.zip?sv=2021-08-06&se=2023-07-30T06%3A41%3A49Z&sr=c&sp=rl&sig=Hh6zpjhd3dIsEyuHl93v6P%2F0NxgWoR02elomyhD%2B9%2FM%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-33fad486-e5a0-45fe-adcd-b2897de23d46482daab76d64f2ab6/065694eb-0ac2-481c-b244-f1abd6fb6475.zip?sv=2021-08-06&se=2023-07-31T00%3A09%3A03Z&sr=c&sp=rl&sig=VKcMu99AyBKNeKB%2FGIIaxqYsbde6UTUWZMxZtZQpWgM%3D>)
### System.Hashing.GetStringHashCode(BytesCount: 100)

#### Histogram
```log

```
#### 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 29.208407945771107 < 30.50378407444438.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 64.10813119818121 (T) = (0 -29.167942398490386) / Math.Sqrt((0.023387770649317647 / (299)) + (0.01594355151243557 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.08636426214304428 = (31.92513294949184 - 29.167942398490386) / 31.92513294949184 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
#### JIT Disasms

### System.Hashing.GetStringHashCode(BytesCount: 1000)

#### Histogram
```log

```
#### 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 300.40536052626493 < 313.12421808663333.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 179.03157888065516 (T) = (0 -300.61167974798684) / Math.Sqrt((0.5811351446254304 / (299)) + (0.20756883308876428 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.08607253174512856 = (328.9229071120924 - 300.61167974798684) / 328.9229071120924 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
#### JIT Disasms

### System.Hashing.GetStringHashCode(BytesCount: 10000)

#### Histogram
```log

```
#### 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 3.004890477764423 < 3.100046573601663.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 142.3346318611228 (T) = (0 -3003.0828644586963) / Math.Sqrt((13.375385051337597 / (299)) + (29.6107507660032 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.07965785193265083 = (3263.0069923070996 - 3003.0828644586963) / 3263.0069923070996 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 18.04
Queue | TigerUbuntu
Baseline | [cdd7566751185d8330b1229b5b7aeb64605fbbf2](https://github.com/dotnet/runtime/commit/cdd7566751185d8330b1229b5b7aeb64605fbbf2)
Compare | [4c212c5efea71c7f95889cb996e64488da8c3377](https://github.com/dotnet/runtime/commit/4c212c5efea71c7f95889cb996e64488da8c3377)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cdd7566751185d8330b1229b5b7aeb64605fbbf2...4c212c5efea71c7f95889cb996e64488da8c3377)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tests.Perf_BigInteger

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Divide - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Numerics.Tests.Perf_BigInteger.Divide(arguments%3a%201024%2c512%20bits).html>) | 472.36 ns | 416.87 ns | 0.88 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_BigInteger_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_BigInteger.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.Numerics.Tests.Perf_BigInteger*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e31598df-5ff5-4d1a-b037-9c6d58c1c32c9d4c0232e0f4fa6ba/91382ebe-51da-4510-9b39-795adcc41922.zip?sv=2021-08-06&se=2023-07-30T06%3A41%3A49Z&sr=c&sp=rl&sig=Hh6zpjhd3dIsEyuHl93v6P%2F0NxgWoR02elomyhD%2B9%2FM%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-33fad486-e5a0-45fe-adcd-b2897de23d46482daab76d64f2ab6/065694eb-0ac2-481c-b244-f1abd6fb6475.zip?sv=2021-08-06&se=2023-07-31T00%3A09%3A03Z&sr=c&sp=rl&sig=VKcMu99AyBKNeKB%2FGIIaxqYsbde6UTUWZMxZtZQpWgM%3D>)
### System.Numerics.Tests.Perf_BigInteger.Divide(arguments: 1024,512 bits)

#### Histogram
```log

```
#### 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 416.8695785597381 < 448.50966679814667.
IsChangePoint: Marked as a change because one of 4/1/2023 8:54:51 PM, 6/5/2023 4:27:01 PM, 6/8/2023 8:02:22 AM, 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 48.38552122419807 (T) = (0 -416.31782707101553) / Math.Sqrt((101.79369399330615 / (299)) + (8.787947225636152 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.11767711275158832 = (471.84294217883553 - 416.31782707101553) / 471.84294217883553 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [cdd7566751185d8330b1229b5b7aeb64605fbbf2](https://github.com/dotnet/runtime/commit/cdd7566751185d8330b1229b5b7aeb64605fbbf2)
Compare | [4c212c5efea71c7f95889cb996e64488da8c3377](https://github.com/dotnet/runtime/commit/4c212c5efea71c7f95889cb996e64488da8c3377)
Diff | [Diff](https://github.com/dotnet/runtime/compare/cdd7566751185d8330b1229b5b7aeb64605fbbf2...4c212c5efea71c7f95889cb996e64488da8c3377)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Node.Tests.Perf_ParseThenWrite

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20Json400KB).html>) | 3.95 ms | 2.50 ms | 0.63 | 0.29 | False | | |
[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20Json400KB).html>) | 3.19 ms | 2.85 ms | 0.89 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_04_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite.html>)

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

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Node.Tests.Perf_ParseThenWrite*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e31598df-5ff5-4d1a-b037-9c6d58c1c32c9d4c0232e0f4fa6ba/91382ebe-51da-4510-9b39-795adcc41922.zip?sv=2021-08-06&se=2023-07-30T06%3A41%3A49Z&sr=c&sp=rl&sig=Hh6zpjhd3dIsEyuHl93v6P%2F0NxgWoR02elomyhD%2B9%2FM%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-33fad486-e5a0-45fe-adcd-b2897de23d46482daab76d64f2ab6/065694eb-0ac2-481c-b244-f1abd6fb6475.zip?sv=2021-08-06&se=2023-07-31T00%3A09%3A03Z&sr=c&sp=rl&sig=VKcMu99AyBKNeKB%2FGIIaxqYsbde6UTUWZMxZtZQpWgM%3D>)
### System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json400KB)

#### Histogram
```log

```
#### 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 2.4960743711911357 < 3.593145936089181.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 6/14/2023 10:30:12 PM, 6/30/2023 8:34:57 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 2.658918595229386 (T) = (0 -2982154.2612225767) / Math.Sqrt((113624928169.04587 / (299)) + (249334136468.7193 / (9))) is greater than 1.9677467375895035 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (9) - 2, .975) and 0.12999449093919996 = (3427741.8133155406 - 2982154.2612225767) / 3427741.8133155406 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400KB)

#### Histogram
```log

```
#### 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 2.853475989619377 < 3.098920147395833.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 7/1/2023 1:53:48 AM, 7/3/2023 9:53:34 PM falls between 6/24/2023 6:56:43 PM and 7/3/2023 9:53:34 PM.
IsImprovementStdDev: Marked as improvement because 24.288648621045795 (T) = (0 -2804783.1835717945) / Math.Sqrt((117217368067.36855 / (299)) + (4077158818.781372 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.22086407785977888 = (3599863.777127988 - 2804783.1835717945) / 3599863.777127988 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	cdd7566751185d8330b1229b5b7aeb64605fbbf2
Compare	4c212c5efea71c7f95889cb996e64488da8c3377
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EnumerateProperties - Duration of single invocation	735.18 ns	663.16 ns	0.90	0.01	False
EnumerateProperties - Duration of single invocation	712.79 ns	662.26 ns	0.93	0.02	False
EnumerateProperties - Duration of single invocation	1.40 μs	993.41 ns	0.71	0.00	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
GetHashCode - Duration of single invocation	86.65 ns	79.65 ns	0.92	0.00	True
GetHashCode - Duration of single invocation	85.39 μs	79.19 μs	0.93	0.00	True

Benchmark	Baseline	Test	Test/Base	Edge Detector
GetStringHashCode - Duration of single invocation	32.18 ns	29.21 ns	0.91	True
GetStringHashCode - Duration of single invocation	329.94 ns	300.41 ns	0.91	True
GetStringHashCode - Duration of single invocation	3.26 μs	3.00 μs	0.92	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ParseThenWrite - Duration of single invocation	3.95 ms	2.50 ms	0.63	0.29	False
ParseThenWrite - Duration of single invocation	3.19 ms	2.85 ms	0.89	0.25	False

[Perf] Linux/x64: 11 Improvements on 6/30/2023 4:39:46 PM #19440

Description

Run Information

Improvements in System.Text.Json.Document.Tests.Perf_EnumerateObject

Repro

Payloads

System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: NumericProperties)

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: StringProperties)

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: ObjectProperties)

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Globalization.Tests.StringHash

Repro

Payloads

System.Globalization.Tests.StringHash.GetHashCode(Count: 128, Options: (en-US, Ordinal))

Histogram

Description of detection logic

JIT Disasms

System.Globalization.Tests.StringHash.GetHashCode(Count: 131072, Options: (en-US, Ordinal))

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Hashing

Repro

Payloads

System.Hashing.GetStringHashCode(BytesCount: 100)

Histogram

Description of detection logic

JIT Disasms

System.Hashing.GetStringHashCode(BytesCount: 1000)

Histogram

Description of detection logic

JIT Disasms

System.Hashing.GetStringHashCode(BytesCount: 10000)

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Numerics.Tests.Perf_BigInteger

Repro

Payloads

System.Numerics.Tests.Perf_BigInteger.Divide(arguments: 1024,512 bits)

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Node.Tests.Perf_ParseThenWrite

Repro

Payloads

System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: Json400KB)

Histogram

Description of detection logic

JIT Disasms

System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400KB)

Histogram

Description of detection logic

JIT Disasms

Docs

Metadata

Metadata

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