This assumes that Page's Law is said negatively. That's not necessarily so. Speed is a feature like any other. The vast majority of programs are written to s

This assumes that Page's Law is said negatively. That's not necessarily so. Speed is a feature like any other. The vast majority of programs are written to solve a need for a human being, and if the answer comes in a human-acceptable time frame, it's Good Enough. Why waste time optimizing outer loops?