That has been my experience. The conventional wisdom is often "don't worry about optimization, the compiler will do a better job of it than you," and while it i

That has been my experience. The conventional wisdom is often "don't worry about optimization, the compiler will do a better job of it than you," and while it is true that the compiler will do many things I wouldn't have thought to have done, my experience has been that one can still often improve upon the compiler's results through careful micro-optimization as illustrated in TFA.