It won't get you the fastest performance, but usually it will get you fast enough performance. Knowing enough to not do bone-headed things is what gets you acc

It won't get you the fastest performance, but usually it will get you fast enough performance. Knowing enough to not do bone-headed things is what gets you acceptable performance. And, it gives you the ability to know where your critical paths are, and to hand those critical paths off to the most expert person in the room.