If the commands don't have to be executed sequentially, then you don't have to issue them sequentially. A modern processor will look at the incoming instructio

If the commands don't have to be executed sequentially, then you don't have to issue them sequentially. A modern processor will look at the incoming instructions and execute whatever it can without creating a hazard, this is called out of order execution. http://en.wikipedia.org/wiki/Out-of-order_execution http://en.wikipedia.org/wiki/Out-of-order_execution