Optimizing Facebook for iOS start time

Another great read from the Facebook engineering blog. This time it’s on how they approached the challenge of optimizing the iOS App start time. Worth reading.
https://code.facebook.com/posts/1675399786008080/optimizing-facebook-for-ios-start-time/

Optimizing Android bytecode with Redex

(More from Facebook) Redex is a pipeline for optimizing Android .dex files (bytecode). You’ll read about the different techniques used for optimization, specifically: minification, inlining and dead code elimination are discussed in this post.
https://code.facebook.com/posts/1480969635539475/optimizing-android-bytecode-with-redex/