[Perf] Changes at 3/20/2021 12:33:05 AM

### Run Information

Architecture | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Serialization.Tests.WriteJson&lt;ArrayList&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeObjectProperty](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(ArrayList).SerializeObjectProperty.html>) | 14.61 μs | 13.45 μs | 0.92 | | |
[SerializeToStream](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(ArrayList).SerializeToStream.html>) | 13.43 μs | 12.43 μs | 0.93 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(ArrayList)_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(ArrayList)_2.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(ArrayList).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;ArrayList&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Serialization.Tests.WriteJson&lt;ArrayList&gt;.SerializeObjectProperty

```log
[12520.815 ; 12896.835) | @@@@
[12896.835 ; 13323.969) | 
[13323.969 ; 13699.989) | @@@@@@@@@@@@@@@@@@@@@@@
[13699.989 ; 14121.315) | @@@@@@@@
[14121.315 ; 14645.137) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[14645.137 ; 15046.905) | @@@@@@@@@@@@@
[15046.905 ; 15451.954) | @@@@@@@@
[15451.954 ; 15892.982) | @@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;ArrayList&gt;.SerializeToStream

```log
[11222.464 ; 11628.250) | @@@@@
[11628.250 ; 12234.125) | @@@
[12234.125 ; 12639.910) | @@@@@@@@@@@@@@@@@@@
[12639.910 ; 13053.206) | @@@@@@@
[13053.206 ; 13458.992) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[13458.992 ; 14099.450) | @@@@@@
[14099.450 ; 14505.236) | @@@@@@@@@
[14505.236 ; 14818.138) | 
[14818.138 ; 15223.923) | @@@
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Tests.Perf_Strings

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20OneEscaped).html>) | 17.95 ms | 16.41 ms | 0.91 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20OneEscaped).html>) | 11.90 ms | 10.88 ms | 0.91 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20OneEscaped).html>) | 12.68 ms | 11.19 ms | 0.88 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20OneEscaped).html>) | 12.83 ms | 11.85 ms | 0.92 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20NoneEscaped).html>) | 6.90 ms | 6.05 ms | 0.88 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20OneEscaped).html>) | 18.13 ms | 16.76 ms | 0.92 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20NoneEscaped).html>) | 6.23 ms | 5.25 ms | 0.84 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20OneEscaped).html>) | 17.31 ms | 15.60 ms | 0.90 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 6.89 ms | 6.07 ms | 0.88 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20OneEscaped).html>) | 12.95 ms | 12.00 ms | 0.93 | | |
[WriteStringsUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 6.37 ms | 5.34 ms | 0.84 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 11.05 ms | 9.24 ms | 0.84 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20OneEscaped).html>) | 16.73 ms | 15.64 ms | 0.93 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20False%2c%20Escaped%3a%20NoneEscaped).html>) | 10.29 ms | 8.36 ms | 0.81 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20False%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20NoneEscaped).html>) | 10.17 ms | 8.00 ms | 0.79 | | |
[WriteStringsUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted%3a%20True%2c%20SkipValidation%3a%20True%2c%20Escaped%3a%20NoneEscaped).html>) | 10.95 ms | 8.89 ms | 0.81 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_3.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_4.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_5.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_6.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_7.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_8.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_9.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_10.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_11.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_12.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_13.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_14.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_15.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings_16.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Tests.Perf_Strings.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Tests.Perf_Strings*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: OneEscaped)

```log
[16070432.701 ; 16639170.474) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[16639170.474 ; 17344979.209) | @
[17344979.209 ; 17866231.906) | @@@@@@@@@@@
[17866231.906 ; 18434969.679) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[18434969.679 ; 19003707.452) | 
[19003707.452 ; 19572445.225) | 
[19572445.225 ; 20339549.720) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

```log
[10349405.462 ; 12546575.190) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[12546575.190 ; 14743744.919) | 
[14743744.919 ; 16940914.647) | 
[16940914.647 ; 19138084.375) | 
[19138084.375 ; 21335254.103) | 
[21335254.103 ; 23532423.832) | 
[23532423.832 ; 24909903.543) | 
[24909903.543 ; 27274833.012) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: False, Escaped: OneEscaped)

```log
[10734531.353 ; 12912332.341) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[12912332.341 ; 15090133.329) | 
[15090133.329 ; 17267934.318) | 
[17267934.318 ; 19445735.306) | 
[19445735.306 ; 21623536.294) | 
[21623536.294 ; 23801337.282) | 
[23801337.282 ; 25193553.871) | 
[25193553.871 ; 27494084.939) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: OneEscaped)

```log
[11184635.617 ; 13388386.814) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[13388386.814 ; 15592138.012) | 
[15592138.012 ; 17795889.209) | 
[17795889.209 ; 19999640.407) | 
[19999640.407 ; 22203391.604) | 
[22203391.604 ; 24407142.801) | 
[24407142.801 ; 25757170.327) | 
[25757170.327 ; 28043567.451) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

```log
[ 5077020.143 ;  8092356.299) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 8092356.299 ; 11107692.456) | 
[11107692.456 ; 14123028.612) | 
[14123028.612 ; 17138364.769) | 
[17138364.769 ; 20153700.925) | 
[20153700.925 ; 23169037.082) | 
[23169037.082 ; 25091505.255) | 
[25091505.255 ; 28255193.264) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: False, Escaped: OneEscaped)

```log
[16495988.697 ; 17016108.922) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[17016108.922 ; 17792538.551) | @@@
[17792538.551 ; 18312658.775) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[18312658.775 ; 19144931.619) | @
[19144931.619 ; 19665051.843) | 
[19665051.843 ; 20140808.777) | 
[20140808.777 ; 20660929.001) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: NoneEscaped)

```log
[ 4405710.294 ;  7407920.415) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 7407920.415 ; 10410130.536) | 
[10410130.536 ; 13412340.656) | 
[13412340.656 ; 16414550.777) | 
[16414550.777 ; 19416760.898) | 
[19416760.898 ; 22418971.018) | 
[22418971.018 ; 24297108.719) | 
[24297108.719 ; 27444731.727) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: False, Escaped: OneEscaped)

```log
[15460364.392 ; 16061568.292) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[16061568.292 ; 16980622.812) | @@@
[16980622.812 ; 17581826.712) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[17581826.712 ; 18488818.304) | @@
[18488818.304 ; 19090022.204) | 
[19090022.204 ; 19860266.236) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

```log
[ 5057609.765 ;  8113273.688) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 8113273.688 ; 11168937.612) | 
[11168937.612 ; 14224601.535) | 
[14224601.535 ; 17280265.459) | 
[17280265.459 ; 20335929.383) | 
[20335929.383 ; 23391593.306) | 
[23391593.306 ; 25432050.181) | 
[25432050.181 ; 28619565.295) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: False, Escaped: OneEscaped)

```log
[11374497.476 ; 13557840.888) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[13557840.888 ; 15741184.299) | 
[15741184.299 ; 17924527.710) | 
[17924527.710 ; 20107871.121) | 
[20107871.121 ; 22291214.533) | 
[22291214.533 ; 24474557.944) | 
[24474557.944 ; 25915295.787) | 
[25915295.787 ; 28193533.187) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: False, Escaped: NoneEscaped)

```log
[ 4475052.697 ;  7503808.618) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 7503808.618 ; 10532564.540) | 
[10532564.540 ; 13561320.461) | 
[13561320.461 ; 16590076.383) | 
[16590076.383 ; 19618832.305) | 
[19618832.305 ; 22647588.226) | 
[22647588.226 ; 24593399.530) | 
[24593399.530 ; 27763281.294) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

```log
[ 8834694.861 ;  9657002.159) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 9657002.159 ; 10479309.457) | 
[10479309.457 ; 10837575.856) | 
[10837575.856 ; 11659883.154) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[11659883.154 ; 12482190.452) | 
[12482190.452 ; 13304497.751) | 
[13304497.751 ; 14126805.049) | 
[14126805.049 ; 14598485.443) | 
[14598485.443 ; 15518807.399) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

```log
[15110748.865 ; 15692173.488) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[15692173.488 ; 16329197.688) | 
[16329197.688 ; 16688768.384) | @
[16688768.384 ; 17270193.008) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[17270193.008 ; 17683064.677) | @@@@@
[17683064.677 ; 18264489.301) | 
[18264489.301 ; 18845913.925) | 
[18845913.925 ; 19202813.244) | 
[19202813.244 ; 19823181.756) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: False, Escaped: NoneEscaped)

```log
[ 7896338.137 ;  8768019.410) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 8768019.410 ;  9586157.495) | 
[ 9586157.495 ;  9989082.041) | 
[ 9989082.041 ; 10807220.126) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[10807220.126 ; 11625358.211) | 
[11625358.211 ; 12443496.296) | 
[12443496.296 ; 13261634.381) | 
[13261634.381 ; 13631225.838) | 
[13631225.838 ; 14494540.154) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: True, Escaped: NoneEscaped)

```log
[ 7519310.115 ;  8398498.871) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 8398498.871 ;  9237662.051) | 
[ 9237662.051 ;  9809481.190) | 
[ 9809481.190 ; 10648644.370) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[10648644.370 ; 11487807.549) | 
[11487807.549 ; 12326970.729) | 
[12326970.729 ; 13304698.462) | 
[13304698.462 ; 14200855.796) | @@@@@@@@
```
#### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

```log
[ 8468443.929 ;  9290489.881) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 9290489.881 ; 10112535.833) | 
[10112535.833 ; 10626751.982) | 
[10626751.982 ; 11448797.934) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[11448797.934 ; 12270843.886) | 
[12270843.886 ; 13092889.838) | 
[13092889.838 ; 13914935.790) | 
[13914935.790 ; 14268431.484) | 
[14268431.484 ; 15129289.363) | @@@@@@@@
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToStream](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeToStream.html>) | 15.66 μs | 13.53 μs | 0.86 | | |
[SerializeObjectProperty](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeObjectProperty.html>) | 16.49 μs | 14.68 μs | 0.89 | | |
[SerializeToString](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeToString.html>) | 15.69 μs | 14.17 μs | 0.90 | | |
[SerializeToUtf8Bytes](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeToUtf8Bytes.html>) | 14.94 μs | 12.25 μs | 0.82 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String,%20String))_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String,%20String))_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String,%20String))_3.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String,%20String))_4.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Dictionary(String,%20String)).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeToStream

```log
[13055.999 ; 13832.274) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[13832.274 ; 14608.550) | 
[14608.550 ; 15307.754) | 
[15307.754 ; 16084.029) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[16084.029 ; 16996.550) | @@@@
[16996.550 ; 17950.830) | 
[17950.830 ; 18790.127) | @@@@@@@@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeObjectProperty

```log
[13786.497 ; 14714.102) | @@@@@@@@@@@@@@@@@@@@@@@@@@@
[14714.102 ; 15308.268) | @
[15308.268 ; 16033.886) | 
[16033.886 ; 16961.491) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[16961.491 ; 17492.986) | @
[17492.986 ; 18420.591) | 
[18420.591 ; 19586.790) | @@@@@@@@@@
[19586.790 ; 20554.900) | @
[20554.900 ; 21264.524) | 
[21264.524 ; 22192.130) | @
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeToString

```log
[13410.508 ; 14235.207) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[14235.207 ; 15059.906) | 
[15059.906 ; 15582.056) | 
[15582.056 ; 16406.755) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[16406.755 ; 16954.659) | @
[16954.659 ; 17779.358) | 
[17779.358 ; 18399.844) | 
[18399.844 ; 18914.227) | @
[18914.227 ; 19738.926) | @@@@@@@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeToUtf8Bytes

```log
[12111.177 ; 12934.288) | @@@@@@@@@@@@@@@@@@@@@@@@@@
[12934.288 ; 14016.531) | @@
[14016.531 ; 14348.028) | 
[14348.028 ; 15171.139) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[15171.139 ; 16109.999) | @@@
[16109.999 ; 16933.109) | 
[16933.109 ; 18058.296) | @@@@@@@
[18058.296 ; 18863.060) | @
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c16).html>) | 188.51 ns | 37.05 ns | 0.20 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2cno%20escaping%20required%2c512).html>) | 295.33 ns | 121.07 ns | 0.41 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c512).html>) | 506.45 ns | 142.00 ns | 0.28 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>) | 439.20 ns | 173.01 ns | 0.39 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%c2%a92020%2c512).html>) | 899.82 ns | 146.21 ns | 0.16 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c512).html>) | 2.80 μs | 77.96 ns | 0.03 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c16).html>) | 226.39 ns | 18.21 ns | 0.08 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2cno%20escaping%20required%2c16).html>) | 38.13 ns | 23.64 ns | 0.62 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c16).html>) | 226.82 ns | 49.66 ns | 0.22 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%c2%a92020%2c16).html>) | 167.02 ns | 51.21 ns | 0.31 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c16).html>) | 218.58 ns | 88.09 ns | 0.40 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c16).html>) | 41.99 ns | 26.00 ns | 0.62 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c16).html>) | 148.12 ns | 73.84 ns | 0.50 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c16).html>) | 300.38 ns | 69.91 ns | 0.23 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2cno%20escaping%20required%2c16).html>) | 205.52 ns | 18.64 ns | 0.09 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>) | 2.88 μs | 127.16 ns | 0.04 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>) | 1.04 μs | 187.38 ns | 0.18 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20Url%2c%c2%a92020%2c16).html>) | 78.33 ns | 47.40 ns | 0.61 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c16).html>) | 79.34 ns | 46.01 ns | 0.58 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c512).html>) | 2.77 μs | 96.53 ns | 0.03 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>) | 2.81 μs | 111.89 ns | 0.04 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%c2%a92020%2c512).html>) | 2.77 μs | 112.37 ns | 0.04 | | |
[EncodeUtf8](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2cno%20escaping%20required%2c512).html>) | 2.79 μs | 73.87 ns | 0.03 | | |
[EncodeUtf16](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c512).html>) | 420.75 ns | 121.42 ns | 0.29 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_3.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_4.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_5.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_6.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_7.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_8.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_9.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_10.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_11.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_12.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_13.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_14.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_15.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_16.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_17.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_18.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_19.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_20.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_21.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_22.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_23.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_24.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",16)

```log
[ 15.416 ;  54.942) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 54.942 ;  92.823) | 
[ 92.823 ; 118.820) | 
[118.820 ; 169.066) | @@@@@@@@
[169.066 ; 208.949) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,no escaping required,512)

```log
[ 77.466 ; 164.743) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[164.743 ; 266.539) | 
[266.539 ; 352.113) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[352.113 ; 437.687) | 
[437.687 ; 523.261) | 
[523.261 ; 608.835) | 
[608.835 ; 691.701) | 
[691.701 ; 779.049) | @@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,hello "there",512)

```log
[ 91.302 ; 192.791) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[192.791 ; 293.126) | 
[293.126 ; 393.461) | 
[393.461 ; 435.570) | 
[435.570 ; 535.905) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[535.905 ; 636.239) | 
[636.239 ; 683.252) | 
[683.252 ; 783.852) | @@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+&lt;World&gt;!,512)

```log
[127.583 ; 216.837) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[216.837 ; 304.669) | 
[304.669 ; 390.621) | 
[390.621 ; 478.453) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[478.453 ; 566.286) | 
[566.286 ; 654.118) | 
[654.118 ; 715.291) | 
[715.291 ; 804.142) | @@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,512)

```log
[ 52.303 ;  239.823) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[239.823 ;  425.710) | 
[425.710 ;  611.597) | 
[611.597 ;  723.480) | 
[723.480 ;  909.368) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[909.368 ; 1029.517) | @@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,512)

```log
[-267.960 ;  418.275) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 418.275 ; 1100.354) | 
[1100.354 ; 1782.433) | 
[1782.433 ; 2192.715) | 
[2192.715 ; 3090.985) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[3090.985 ; 3773.189) | @@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,16)

```log
[ -7.797 ;  45.318) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 45.318 ;  96.742) | 
[ 96.742 ; 148.167) | 
[148.167 ; 180.684) | 
[180.684 ; 232.109) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[232.109 ; 271.191) | @
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,no escaping required,16)

```log
[21.818 ; 27.065) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[27.065 ; 32.312) | 
[32.312 ; 34.697) | 
[34.697 ; 39.945) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[39.945 ; 45.192) | 
[45.192 ; 50.439) | 
[50.439 ; 55.687) | 
[55.687 ; 58.212) | 
[58.212 ; 64.142) | @@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+&lt;World&gt;!,16)

```log
[ 26.035 ;  72.590) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 72.590 ; 103.936) | 
[103.936 ; 148.574) | @@@@@@@@
[148.574 ; 205.479) | 
[205.479 ; 252.635) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,©2020,16)

```log
[ 36.275 ;  67.409) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 67.409 ; 100.504) | 
[100.504 ; 129.206) | @@@@@@@@
[129.206 ; 155.736) | 
[155.736 ; 184.438) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[184.438 ; 209.171) | @@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,16)

```log
[ 75.479 ; 110.049) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[110.049 ; 144.620) | 
[144.620 ; 179.190) | 
[179.190 ; 208.204) | 
[208.204 ; 242.775) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,16)

```log
[21.384 ; 27.723) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[27.723 ; 34.063) | 
[34.063 ; 40.929) | 
[40.929 ; 47.268) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[47.268 ; 54.525) | @@
[54.525 ; 62.020) | 
[62.020 ; 68.437) | @@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+&lt;World&gt;!,16)

```log
[ 68.766 ;  89.819) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 89.819 ; 110.872) | 
[110.872 ; 131.925) | 
[131.925 ; 142.866) | 
[142.866 ; 163.918) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,16)

```log
[ 40.571 ; 100.033) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[100.033 ; 173.126) | @@@@@@@@
[173.126 ; 231.721) | 
[231.721 ; 272.945) | 
[272.945 ; 336.794) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,no escaping required,16)

```log
[ -5.337 ;  43.135) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 43.135 ;  89.872) | 
[ 89.872 ; 136.609) | 
[136.609 ; 163.915) | 
[163.915 ; 210.652) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[210.652 ; 236.987) | 
[236.987 ; 284.093) | @@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,512)

```log
[-212.715 ;  471.396) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 471.396 ; 1150.613) | 
[1150.613 ; 1848.718) | 
[1848.718 ; 2287.886) | @@@@@@@
[2287.886 ; 2967.104) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,512)

```log
[ 81.046 ;  293.361) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[293.361 ;  503.712) | 
[503.712 ;  667.511) | 
[667.511 ;  943.005) | @@@@@@@@
[943.005 ; 1163.828) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,16)

```log
[43.931 ; 53.929) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[53.929 ; 61.815) | @@@@@@@@
[61.815 ; 69.701) | 
[69.701 ; 74.413) | 
[74.413 ; 83.218) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,hello "there",16)

```log
[40.504 ; 49.406) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[49.406 ; 57.530) | 
[57.530 ; 66.431) | @@@@@@@@
[66.431 ; 77.427) | 
[77.427 ; 86.328) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",512)

```log
[-238.905 ;  424.321) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 424.321 ; 1084.961) | 
[1084.961 ; 1745.600) | 
[1745.600 ; 2144.138) | 
[2144.138 ; 2804.778) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+&lt;World&gt;!,512)

```log
[-234.687 ;  448.372) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 448.372 ; 1127.896) | 
[1127.896 ; 1829.789) | 
[1829.789 ; 2509.313) | @@@@@@@@
[2509.313 ; 2771.447) | 
[2771.447 ; 3450.971) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,©2020,512)

```log
[-222.528 ;  439.966) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 439.966 ; 1100.023) | 
[1100.023 ; 1820.084) | 
[1820.084 ; 2288.378) | @@@@@@@
[2288.378 ; 2948.435) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,no escaping required,512)

```log
[-262.026 ;  413.219) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[ 413.219 ; 1084.978) | 
[1084.978 ; 1756.737) | 
[1756.737 ; 2190.769) | 
[2190.769 ; 2862.528) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
```
#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,512)

```log
[ 70.275 ; 169.113) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[169.113 ; 265.646) | 
[265.646 ; 362.179) | 
[362.179 ; 487.018) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[487.018 ; 583.551) | 
[583.551 ; 691.224) | 
[691.224 ; 790.101) | @@@@@@@@
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToStream](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Hashtable).SerializeToStream.html>) | 22.82 μs | 21.31 μs | 0.93 | | |
[SerializeObjectProperty](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Hashtable).SerializeObjectProperty.html>) | 24.84 μs | 23.14 μs | 0.93 | | |
[SerializeToUtf8Bytes](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Hashtable).SerializeToUtf8Bytes.html>) | 23.15 μs | 21.75 μs | 0.94 | | |
[SerializeToString](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(Hashtable).SerializeToString.html>) | 24.64 μs | 22.78 μs | 0.92 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Hashtable)_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Hashtable)_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Hashtable)_3.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Hashtable)_4.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(Hashtable).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;.SerializeToStream

```log
[20585.372 ; 21458.311) | @@@@@@@@@@@@@@@@@@@@@@@@
[21458.311 ; 22189.786) | @
[22189.786 ; 23062.725) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[23062.725 ; 24122.397) | @@@@@
[24122.397 ; 24995.336) | @@@@@@
[24995.336 ; 26147.494) | @@@@@@
[26147.494 ; 26798.209) | 
[26798.209 ; 27671.148) | @
[27671.148 ; 28357.766) | 
[28357.766 ; 29230.706) | @@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;.SerializeObjectProperty

```log
[22427.747 ; 23309.133) | @@@@@@@@@@@@@@@@@@@@@@@
[23309.133 ; 23796.177) | 
[23796.177 ; 24469.866) | @@@
[24469.866 ; 25351.252) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[25351.252 ; 26217.778) | @@@@@
[26217.778 ; 27099.164) | @@@@@@@@
[27099.164 ; 27729.027) | @
[27729.027 ; 28712.438) | @@@@@@@
[28712.438 ; 29716.051) | @@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;.SerializeToUtf8Bytes

```log
[20533.772 ; 21006.633) | @
[21006.633 ; 21801.266) | @@@@@@@@@@@@@@@@@@@@@@@@@@@
[21801.266 ; 22523.965) | 
[22523.965 ; 23318.598) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[23318.598 ; 24054.597) | @@@@
[24054.597 ; 24849.229) | @@@@@
[24849.229 ; 25604.595) | 
[25604.595 ; 26399.228) | @@@@@@@@
[26399.228 ; 27193.860) | 
[27193.860 ; 27761.354) | 
[27761.354 ; 28555.987) | @
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;Hashtable&gt;.SerializeToString

```log
[21773.197 ; 22643.495) | @@@@@@@@@@@@@@@@@@@@@
[22643.495 ; 23546.657) | @@@@@@
[23546.657 ; 24646.984) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[24646.984 ; 25674.365) | @@@@@@@@@@@
[25674.365 ; 26544.664) | 
[26544.664 ; 27344.856) | 
[27344.856 ; 28215.155) | @@@@@@@
[28215.155 ; 29085.453) | 
[29085.453 ; 29955.752) | 
[29955.752 ; 30664.528) | 
[30664.528 ; 31534.826) | @
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Serialization.Tests.WriteJson&lt;IndexViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToStream](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel).SerializeToStream.html>) | 25.74 μs | 23.06 μs | 0.90 | | |
[SerializeObjectProperty](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel).SerializeObjectProperty.html>) | 28.53 μs | 26.60 μs | 0.93 | | |
[SerializeToUtf8Bytes](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel).SerializeToUtf8Bytes.html>) | 25.59 μs | 23.14 μs | 0.90 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel)_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel)_2.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel)_3.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(IndexViewModel).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;IndexViewModel&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Serialization.Tests.WriteJson&lt;IndexViewModel&gt;.SerializeToStream

```log
[21448.496 ; 22275.817) | @
[22275.817 ; 23590.393) | @@@@@@@@@@@@@@@@@@@@@@@@@@
[23590.393 ; 24496.819) | @@
[24496.819 ; 25811.395) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[25811.395 ; 27148.026) | @@@@@@@@@
[27148.026 ; 28462.602) | 
[28462.602 ; 29777.177) | 
[29777.177 ; 31106.436) | 
[31106.436 ; 32981.039) | @@@@@@@
[32981.039 ; 34295.615) | @
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;IndexViewModel&gt;.SerializeObjectProperty

```log
[25632.837 ; 26964.459) | @@@@@@@@@@@@@@@@@@@@@@@@@@@
[26964.459 ; 27891.754) | @
[27891.754 ; 29223.376) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[29223.376 ; 30922.753) | @@@@@@@@@
[30922.753 ; 32254.374) | 
[32254.374 ; 33585.995) | 
[33585.995 ; 34983.217) | 
[34983.217 ; 36314.839) | @@@@@@@@
```
#### System.Text.Json.Serialization.Tests.WriteJson&lt;IndexViewModel&gt;.SerializeToUtf8Bytes

```log
[22523.046 ; 23866.491) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@
[23866.491 ; 24778.156) | 
[24778.156 ; 26121.601) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[26121.601 ; 27441.896) | @@@@@@@@
[27441.896 ; 28785.341) | 
[28785.341 ; 30128.786) | 
[30128.786 ; 31117.923) | 
[31117.923 ; 31996.039) | @
[31996.039 ; 33339.484) | @@@@@@@
```


### 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 | arm64
-- | --
OS | Windows 10.0.19041
Baseline | [fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da](https://github.com/dotnet/runtime/commit/fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da)
Compare | [c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d](https://github.com/dotnet/runtime/commit/c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d)


### Improvemnts in System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableSortedDictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | --
[SerializeToStream](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Text.Json.Serialization.Tests.WriteJson(ImmutableSortedDictionary(String%2c%20String)).SerializeToStream.html>) | 26.45 μs | 25.01 μs | 0.95 | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(ImmutableSortedDictionary(String,%20String))_1.png>)
[Historical Data in Reporting System](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/03_23_2021/refs/heads/main_arm64_Windows%2010.0.19041_Improvement/System.Text.Json.Serialization.Tests.WriteJson(ImmutableSortedDictionary(String,%20String)).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableSortedDictionary&lt;String, String&gt;&gt;*'
```
<details>

.
### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-258066e6-a91b-4818-8079-926da4619c10b8571f130834503a5/95133f0b-ffb5-4c16-81b4-077030273dbb.zip?sv=2019-07-07&se=2021-04-18T21%3A02%3A02Z&sr=c&sp=rl&sig=%2FMOgSQgoxLZ6HAqpzJANHiJzUyteQwRz19IT3kQRhuQ%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-805bb0cd-86b1-4cd0-81bd-6122d77de594e354f91e4204a0aa6/c39fc531-7c54-4123-b196-f783389f3f3a.zip?sv=2019-07-07&se=2021-04-19T04%3A10%3A30Z&sr=c&sp=rl&sig=62HCQs1jYuQUnYI4x0lT0Nc150iDnp3HJwR7vpzXg0A%3D>)

### Histogram
#### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableSortedDictionary&lt;String, String&gt;&gt;.SerializeToStream

```log
[23805.273 ; 24604.655) | @@
[24604.655 ; 25521.345) | @@@@@@@@@@@@@@@@@@@@@@@@@@
[25521.345 ; 26291.145) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[26291.145 ; 27064.999) | @@@@@@@@@@@@@@@@@@@
[27064.999 ; 28100.443) | @@@
[28100.443 ; 28870.243) | @@@@
[28870.243 ; 30677.118) | @@@@@@@@
```


### 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	arm64
OS	Windows 10.0.19041
Baseline	fee6a7b9de7f2d3b5118a08ccb11472e5f7f44da
Compare	c5ec2386c9fda4fc6fb5a47559d8a570154d4a2d

Benchmark	Baseline	Test	Test/Base	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SerializeObjectProperty	14.61 μs	13.45 μs	0.92
SerializeToStream	13.43 μs	12.43 μs	0.93

Benchmark	Baseline	Test	Test/Base
WriteStringsUtf16	17.95 ms	16.41 ms	0.91
WriteStringsUtf8	11.90 ms	10.88 ms	0.91
WriteStringsUtf8	12.68 ms	11.19 ms	0.88
WriteStringsUtf8	12.83 ms	11.85 ms	0.92
WriteStringsUtf8	6.90 ms	6.05 ms	0.88
WriteStringsUtf16	18.13 ms	16.76 ms	0.92
WriteStringsUtf8	6.23 ms	5.25 ms	0.84
WriteStringsUtf16	17.31 ms	15.60 ms	0.90
WriteStringsUtf8	6.89 ms	6.07 ms	0.88
WriteStringsUtf8	12.95 ms	12.00 ms	0.93
WriteStringsUtf8	6.37 ms	5.34 ms	0.84
WriteStringsUtf16	11.05 ms	9.24 ms	0.84
WriteStringsUtf16	16.73 ms	15.64 ms	0.93
WriteStringsUtf16	10.29 ms	8.36 ms	0.81
WriteStringsUtf16	10.17 ms	8.00 ms	0.79
WriteStringsUtf16	10.95 ms	8.89 ms	0.81

Benchmark	Baseline	Test	Test/Base
SerializeToStream	15.66 μs	13.53 μs	0.86
SerializeObjectProperty	16.49 μs	14.68 μs	0.89
SerializeToString	15.69 μs	14.17 μs	0.90
SerializeToUtf8Bytes	14.94 μs	12.25 μs	0.82

Benchmark	Baseline	Test	Test/Base
EncodeUtf8	188.51 ns	37.05 ns	0.20
EncodeUtf16	295.33 ns	121.07 ns	0.41
EncodeUtf16	506.45 ns	142.00 ns	0.28
EncodeUtf16	439.20 ns	173.01 ns	0.39
EncodeUtf16	899.82 ns	146.21 ns	0.16
EncodeUtf8	2.80 μs	77.96 ns	0.03
EncodeUtf8	226.39 ns	18.21 ns	0.08
EncodeUtf16	38.13 ns	23.64 ns	0.62
EncodeUtf8	226.82 ns	49.66 ns	0.22
EncodeUtf8	167.02 ns	51.21 ns	0.31
EncodeUtf16	218.58 ns	88.09 ns	0.40
EncodeUtf16	41.99 ns	26.00 ns	0.62
EncodeUtf16	148.12 ns	73.84 ns	0.50
EncodeUtf8	300.38 ns	69.91 ns	0.23
EncodeUtf8	205.52 ns	18.64 ns	0.09
EncodeUtf8	2.88 μs	127.16 ns	0.04
EncodeUtf16	1.04 μs	187.38 ns	0.18
EncodeUtf16	78.33 ns	47.40 ns	0.61
EncodeUtf16	79.34 ns	46.01 ns	0.58
EncodeUtf8	2.77 μs	96.53 ns	0.03
EncodeUtf8	2.81 μs	111.89 ns	0.04
EncodeUtf8	2.77 μs	112.37 ns	0.04
EncodeUtf8	2.79 μs	73.87 ns	0.03
EncodeUtf16	420.75 ns	121.42 ns	0.29

Benchmark	Baseline	Test	Test/Base
SerializeToStream	22.82 μs	21.31 μs	0.93
SerializeObjectProperty	24.84 μs	23.14 μs	0.93
SerializeToUtf8Bytes	23.15 μs	21.75 μs	0.94
SerializeToString	24.64 μs	22.78 μs	0.92

Benchmark	Baseline	Test	Test/Base
SerializeToStream	25.74 μs	23.06 μs	0.90
SerializeObjectProperty	28.53 μs	26.60 μs	0.93
SerializeToUtf8Bytes	25.59 μs	23.14 μs	0.90

[Perf] Changes at 3/20/2021 12:33:05 AM #4666

Description

Run Information

Improvemnts in System.Text.Json.Serialization.Tests.WriteJson<ArrayList>

Repro

Payloads

Histogram

System.Text.Json.Serialization.Tests.WriteJson<ArrayList>.SerializeObjectProperty

System.Text.Json.Serialization.Tests.WriteJson<ArrayList>.SerializeToStream

Docs

Improvemnts in System.Text.Json.Tests.Perf_Strings

Repro

Payloads

Histogram

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: False, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: False, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: False, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: False, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: False, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: False, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: False, SkipValidation: True, Escaped: NoneEscaped)

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf16(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

Docs

Run Information

Improvemnts in System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>

Repro

Payloads

Histogram

System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeToStream

System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeObjectProperty

System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeToString

System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeToUtf8Bytes

Docs

Run Information

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

Repro

Payloads

Histogram

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,no escaping required,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,hello "there",512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,no escaping required,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+<World>!,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,©2020,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no <escaping /> required,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: JavaScript,&Hello+<World>!,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,no escaping required,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,©2020,16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,hello "there",16)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+<World>!,512)

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

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,no escaping required,512)

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no <escaping /> required,512)

Docs

Run Information

Improvemnts in System.Text.Json.Serialization.Tests.WriteJson<Hashtable>

Repro

Payloads

Histogram

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToStream

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeObjectProperty

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToUtf8Bytes

System.Text.Json.Serialization.Tests.WriteJson<Hashtable>.SerializeToString