On Thu, Oct 9, 2008 at 3:34 PM, Bart Grantham <bg@xxxxxxxxxxxxxx> wrote: > Forgive me if this has been beaten into the ground, but my team and I > couldn't find much conclusive study or posts on this issue. To make a long > story short: we're experiencing Xeons as 50% slower than Opterons, even when > the Xeon has twice as much cache and a slight clock speed advantage. I'm not sure what causes this issue either, although I suspect it's the inter-CPU / CPU to memory communication speeds that make the difference. It seems that as the number of CPUs increase, the opteron lead increases over the xeon.
