It depends on what you consider optimizing.
It's one thing to do evil floating point bit level hacking and such to save a nanosecond or two, and another to write a FizzBuzz in a way that doesn't require 700 external libraries to begin with.
It's one thing to do evil floating point bit level hacking and such to save a nanosecond or two, and another to write a FizzBuzz in a way that doesn't require 700 external libraries to begin with.