i think this is an often misunderstood fact, 32bit ints are, in my experience, a significant win compared with 64bit when doing memory intensive work - image processing in my case.
-Steve On 5 May 2012, at 06:48 PM, Charles Forsyth <[email protected]> . > if it's performance you're worried about, for programs that don't care about > width, i'd expect 32 bits at least > to match performance with 64 bits (if there's a measurable difference). for > one thing, cache lines will contain > more values, and several will be fetched at once when cache lines are filled. >
