What is the cost of using autorelease in Cocoa?

Question

Most of Apples documentation seems to avoid using autoreleased objects especially when creating gui views, but I want to know what the cost of using autoreleased objects is?

Answer 1

One side note to keep in mind is if you are spawning a new thread, you must setup a new Autorelease pool on that thread before you do anything else. Even if you are not using autorelease objects, chances are that something in the Cocoa APIs is.