How is the problem he is solving different? I guess using an actor chain and messages allows you to repeatedly drop many messages through the same sequence of operations.
While you might express that slightly differently if you used GCD or operation queues, you should be able to make it just as readable. Blocks are pretty cheap, so any performance hit should be more than offset by the gains you get from having the OS manage your thread pool for you.
While you might express that slightly differently if you used GCD or operation queues, you should be able to make it just as readable. Blocks are pretty cheap, so any performance hit should be more than offset by the gains you get from having the OS manage your thread pool for you.