Concurrent Programming in Mac OS X and iOS

Wouldn't it be great to take advantage of multicore processors without having to manage threads? This concise book shows you how to use Apple's Grand Central Dispatch (GCD) to simplify programming for multiple cores on iOS devices and Mac OS X. If you know how to program with Cocoa or Cocoa Touch, this guide will get you started with GCD right away, with many examples to help you write high-performing multithreaded apps.