I would disagree here - every percent CPU saved for the same workload is a 1% reduction in the number of machines needed. The number of web machines is suffici

I would disagree here - every percent CPU saved for the same workload is a 1% reduction in the number of machines needed. The number of web machines is sufficiently large that savings of even 1% are praiseworthy. Quite a bit of effort is expended to keep this going down and to the right (at least some of the time).