These "optimizations", assuming they are correct and will work, would give some 5% "improvement" as so many optimizations do.)<p>Another thing is all linked to this very meaningless term "creativity", and, perhaps, caffeine could somehow boost it, but in context of real craftsmanship we probably should talk about artistic sense and inspirations, insights, "flow" and "aha-moments" which, it seems, follow much more complex and subtle patterns than just sleep, routine, glucose and caffeine. This will definitely work for sports, but programming is not a sport, it is an art. And for an artist a Muse is required, not a military routine.<p>Of course, routines and rituals has tremendous power - entire religions are still standing on nothing but them, but this quite another subject.