Introduction to NEON on iPhone
Given that, among the iPhone OS devices, only the iPhone 3GS and the third-gen iPod Touch featured NEON up until recently, it typically wasn’t worth the effort to work on a NEON optimization, given that it would benefit only these devices, unless the application could require running on one of them (e.g. because its purpose is to processes videos recorded by the iPhone 3GS). However, with the arrival of the iPad it makes much more sense to develop NEON optimizations. In this post I’ll try to give you a primer on NEON.
