Since I was recompiling anyway, I went ahead and did the processor selection and other "performance" tweaks. I honestly haven't seen any improvements or degradation in both systems, they run the same.

Of the things you mentioned KDE is the only one worth recompiling on your own. It's a big speed drain and it is frequently compiled with a log of debug options on, as are the qt libraries. ••• ...

What is the kernel? It’s the core OS. The Linux kernel contains large chucks of C and assembly code for providing the functions of an OS. Compilation is the ...

After recompiling the apps, developers can submit them the Microsoft Store. The Store is accepting Arm64 UWP apps in both C++ and .NET Native.