From owner-freebsd-performance@FreeBSD.ORG  Thu Sep 13 19:25:33 2007
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
Delivered-To: freebsd-performance@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 634A616A417
	for <freebsd-performance@freebsd.org>;
	Thu, 13 Sep 2007 19:25:33 +0000 (UTC)
	(envelope-from lists@stringsutils.com)
Received: from zoraida.natserv.net (p65-147.acedsl.com [66.114.65.147])
	by mx1.freebsd.org (Postfix) with ESMTP id 2B95013C45A
	for <freebsd-performance@freebsd.org>;
	Thu, 13 Sep 2007 19:25:33 +0000 (UTC)
	(envelope-from lists@stringsutils.com)
Received: from 35st.simplicato.com
	(static-71-249-233-130.nycmny.east.verizon.net [71.249.233.130])
	by zoraida.natserv.net (Postfix) with ESMTP id 91E5A17036;
	Thu, 13 Sep 2007 15:08:45 -0400 (EDT)
References: <E6C9DBADAE3839B380B736D7@rambutan.pingpong.net>
Message-ID: <cone.1189710437.247473.77599.5001@35st.simplicato.com>
X-Mailer: http://www.courier-mta.org/cone/
From: Francisco Reyes <lists@stringsutils.com>
To: Palle Girgensohn <girgen@pingpong.net>
Date: Thu, 13 Sep 2007 15:07:17 -0400
Mime-Version: 1.0
Content-Type: text/plain; format=flowed; charset="US-ASCII"
Content-Disposition: inline
Content-Transfer-Encoding: 7bit
Cc: freebsd-performance@freebsd.org
Subject: Re: AMD or Intel?
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 13 Sep 2007 19:25:33 -0000

Palle Girgensohn writes:

> Now, I hear rumors that AMD is to be preferred over Intel for performance 

>From what I have read in the past, specially in the postgresql list, it 
seems the AMD64 cpus do better with Postgresql. Possibly because of better 
bus architecture.

Personally I think having lots of memory and a good disk subsystem is going 
to make a bigger difference.

What sizes are you expecting for your data?
What type of growth? How many concurrent connections?