Re: Status of Opteron vs Xeon

From: Emil Briggs <emil(at)baymountain(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Cc: Chris Browne <cbbrowne(at)acm(dot)org>
Subject: Re: Status of Opteron vs Xeon
Date: 2005-10-07 19:03:47
Message-ID: 200510071503.47373.emil@baymountain.com
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>
> Furthermore, it does not do anything to address the consideration that
> memory access on Opterons seem to be intrinsically faster than on Xeon
> due to differences in the memory bus architecture.
>

I have been running some tests using different numa policies on a quad Opteron
server and have found some significant performance differences depending on
the type of load the system is under. It's not clear to me yet if I can draw
any general conclusions from the results though.

Emil

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