Well, only one side of the queue was wait-free. The other side, the consumer, was a whole mess of queues and buffers. It's simply the process of putting somethi

Well, only one side of the queue was wait-free. The other side, the consumer, was a whole mess of queues and buffers. It's simply the process of putting something in the queue that is fast. Getting out of that queue is a terribly slow operatino.