Re: Question on Opteron performance

On Wed, 10 Mar 2004, Christopher Petrilli wrote:

> On Mar 10, 2004, at 3:14 PM, Steve Wolfe wrote:
>
> >    Before I shell out the $15k on the 4-way Opteron, I'm going to spend
> > some long, hard time looking for ways to make the system more
> > efficient.
> > However, after all that's already been done, I'm not optimistic that
> > it's
> > going to preclude needing the new server.  I'm just surprised that
> > nobody
> > seems to have used PostgreSQL on a quad-Opteron before!
>
> Well, I haven't had a chance to run PostgreSQL on a quad-Opteron box,
> but in discussing this with someone building a cluster out of them,
> their experience is that they are seeing better performance out of a
> quad-Opteron than a 3Ghz Xeon box (quad as well), which they believe
> reflects superior memory architecture.  So, if someone has run on a
> quad-Xeon of similar "specs", then I would imagine you should see
> similar, if not better, numbers.

This article:

http://www.anandtech.com/IT/showdoc.html?i=1982

seems to support that view that opterons currently scale better than
Xeons.