> It's like driving a car; you do not have to be a engineer to drive one; but the more you want to push the limits of performance, the more you need to know abo

> It's like driving a car; you do not have to be a engineer to drive one; but the more you want to push the limits of performance, the more you need to know about the details. This is a potential argument why users don't have to know the arcane details of how the internals of a CPU works, but on the other hand a good argument why programmers should better have a quite good knowledge about that.