On Thu, Jun 09, 2005 at 10:15:48AM -0400, Dan Williams wrote:
The question, distilled:
Would you like: (a) Small speed hit for Opteron users, OR (b) much larger speed hit for EM64T users?
note the hit is REALLY REALLY small. Hard to measure kind of small.
Have you compared -march=k8 with -mtune=nocona ?
-- Pádraig Brady - http://www.pixelbeat.org --