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Showing content from https://github.com/jonathanpeppers/maui-profiling below:

jonathanpeppers/maui-profiling: Repository for building MAUI apps over time. So we can install & profile them.

Repository for building MAUI apps over time using different versions -- for installing & profiling.

These numbers were measured with preinstalled apps with scripts\profile.ps1 on a Pixel 5 device running Android 12.

Application Framework JIT Time(ms) Interpreter Time(ms) Profiled AOT Time(ms) XamarinAndroidApp Xamarin 334.1 - 306.5 dotnet new android MAUI P10 265.4 - 210.5 dotnet new android MAUI P11 269.4 236.4 197.4 dotnet new android MAUI P12 260.9 235.2 184.5 dotnet new android MAUI P13 268.2 227.4 198.4 dotnet new android MAUI P14 244.1 210.1 165.5 dotnet new android MAUI RC1 259.7 205.7 170.2 dotnet new android MAUI RC2 257.8 209.9 174.6 dotnet new android MAUI GA 262.7 217.6 182.8 dotnet new android .NET 7 RC 2 261.6 177.2 178.1 dotnet new android .NET 7 svc 276.3 192.7 180.8 dotnet new android .NET 8 rtm 278.5 214.9 180.4 XamarinFormsBlank Xamarin 767.9 - 498.6 XamarinFormsFlyout Xamarin 1369.5 - 817.7 dotnet new maui MAUI P10 1078.0 - 683.9 dotnet new maui MAUI P11 1072.6 867.9 677.4 dotnet new maui MAUI P12 1013.8 860.7 648.9 dotnet new maui MAUI P13 1063.1 864.4 576.4 dotnet new maui MAUI P14 887.6 717.2 469.9 dotnet new maui MAUI RC1 1278.9 933.4 533.2 dotnet new maui MAUI RC2 1292.6 962.1 563.7 dotnet new maui MAUI GA 1411.8 978.0 568.1 dotnet new maui .NET 7 RC 2 1233.3 775.3 545.4 dotnet new maui .NET 7 svc 1283.1 798.6 563.2 dotnet new maui .NET 8 rtm 1362.8 888.8 560.9 dotnet new maui** MAUI RC1 824.1 664.1 437.1 dotnet new maui** MAUI RC2 837.6 678.3 455.2 dotnet new maui** MAUI GA 876.1 703.2 464.2 dotnet new maui** .NET 7 RC 2 839.3 607.9 462.9 dotnet new maui** .NET 7 svc 883.9 630.9 490.5 dotnet new maui** .NET 8 rtm 942.8 701.1 482.4 .NET Podcast MAUI P14 1564.4 1177.5 1027.7 .NET Podcast MAUI RC1 1471.2 1139.9 810.5 .NET Podcast MAUI RC2 1496.1 1148.5 791.0 .NET Podcast MAUI GA 1538.4 1171.1 814.2 .NET Podcast .NET 7 RC 2 1459.2 972.9 759.7 .NET Podcast .NET 7 svc 1501.3 1011.1 787.2 .NET Podcast .NET 8 rtm 1584.8 1071.9 762.2

** This is using the Preview 14 template built with MAUI RC 1. In RC 1, the template changed to use the shell navigation pattern and includes lots of built-in styles. It is a better template -- it just has more "stuff" in it. The old template's times should be a direct comparison between past releases.

NOTE: .NET 7 svc (servicing) is using .NET MAUI 7.0.96. I am using the same device from above benchmarks, but it has had several Android updates and is likely now aging. I reran one of these using the .apk saved here, and the number went from 545.4ms -> 558.8ms using the exact same device today.

In .NET 6, a project with -p:UseInterpreter=true includes libmono-component-hot_reload.so. I recorded some startup times for this, mainly as an experiment. This might be a view into what a tiered-JIT could look like?

How to use scripts\profile.ps1?

If you don't easily know an apps package name & main activity:

  1. You could open the .apk in Android Studio and look at the AndroidManifest.xml file.

  2. Or run:

> adb shell 'dumpsys window | grep mCurrentFocus'
mCurrentFocus=Window{f372400 u0 com.myapp.foo/crc64362beeb2c8180c73.MainActivity}

Then you run the script such as:

> .\scripts\profile.ps1 -package com.myapp.foo -activity crc64362beeb2c8180c73.MainActivity
Register ADB with Powershell

You may need to create a powershell alias for adb:

Set-Alias adb "${env:ProgramFiles(x86)}\Android\android-sdk\platform-tools\adb.exe"

Or you can add the folder containing adb.exe to your %PATH%:

if ($env:Path -NotMatch "Android\\android-sdk\\platform")
{
    write-host "Adding Android SDK Platform tools to path"
    $env:Path += ";${env:ProgramFiles(x86)}\Android\android-sdk\platform-tools"
}

(Or use the Windows environment variable menu)

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