What is the difference between dispatch_get_global_queue and dispatch_queue_create?

Question

I\'m writing a moderately complex iOS program that needs to have multiple threads for some of its longer operations (parsing, connections to the network...etc). However, I\'

Answer 1

One returns the existing global queue, the other creates a new one. Instead of using GCD, I would consider using NSOperation and operation queue. You can find more information about it in this guide. Typically, of you want the operations to execute concurrently, you want to create your own queue and put your operations in it.