On Nov 9, 2007 10:40 AM, Claus Guttesen <kometen@gmail.com> wrote:
> > Apart from the disks, you might also investigate using Opterons instead
> > of Xeons. there appears to be some significant dent in performance
> > between Opteron and Xeon. Xeons appear to spend more time in passing
> > around ownership of memory cache lines in case of a spinlock.
> > It's not yet clear whether or not here has been worked around the issue.
> > You should at least investigate it a bit.
> >
> > We're using a HP DL385 ourselves which performs quite well.
>
> Not atm. Until new benchmarks are published comparing AMD's new
> quad-core with Intel's ditto, Intel has the edge.
>
> http://tweakers.net/reviews/657/6
For 8 cores, it appears AMD has the lead, read this (stolen from
another thread):
http://people.freebsd.org/~kris/scaling/7.0%20Preview.pdf