Yes, if you were doing a quick sort and each op required a msgsend it'd be a factor. But you'd have to be crazy to write code like that. This is why there ar

Yes, if you were doing a quick sort and each op required a msgsend it'd be a factor. But you'd have to be crazy to write code like that. This is why there are a lot of C apis that Apple has written that you call and bridge with ObjC. With Swift you can't do that. You have to wrap the calls and generate bridge headers. What a pain.