Guide to Multi-Threading — GCD in iOS
Write concurrent code
Published in
10 min readApr 26, 2021
Nowadays, mobile devices come with a lot of powerful CPUs at their disposal. This gives you the ability to make apps that are highly performant. Imagine your app is an image gallery app where you have to build a slick UI with which the user can interact while simultaneously uploading and downloading their 25MB HD images.