From owner-freebsd-performance@FreeBSD.ORG  Thu Sep 13 06:49:57 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 8F0A316A41A;
	Thu, 13 Sep 2007 06:49:57 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Received: from weak.local (hub.freebsd.org [IPv6:2001:4f8:fff6::36])
	by mx1.freebsd.org (Postfix) with ESMTP id C00BC13C458;
	Thu, 13 Sep 2007 06:49:52 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Message-ID: <46E8DD8E.8070706@FreeBSD.org>
Date: Thu, 13 Sep 2007 08:49:50 +0200
From: Kris Kennaway <kris@FreeBSD.org>
User-Agent: Thunderbird 2.0.0.6 (Macintosh/20070728)
MIME-Version: 1.0
To: Alfred Perlstein <alfred@freebsd.org>
References: <E6C9DBADAE3839B380B736D7@rambutan.pingpong.net>
	<20070910224503.GO79417@elvis.mu.org>
	<46E5D402.8060305@FreeBSD.org>
	<20070913032800.GO79417@elvis.mu.org>
In-Reply-To: <20070913032800.GO79417@elvis.mu.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-performance@freebsd.org, Palle Girgensohn <girgen@pingpong.net>
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 06:49:57 -0000

Alfred Perlstein wrote:
> * Kris Kennaway <kris@FreeBSD.org> [070910 16:32] wrote:
>> Alfred Perlstein wrote:
>>> Palle,
>>>
>>> I really haven't kept pace with Intel versus AMD in a while, my
>>> understanding is that AMD is still the only 64bit game in town.
>>>
>>> For a database, the more memory you can get, the better.
>>>
>>> I've found many machines with 4 gigs of ram to not be enough to
>>> get decent performance from a database these days.
>>>
>>> I would suggest going with AMD and getting a board that can
>>> do at least 8GB if not 16 or even 32GB of ram.
>>>
>>> Even with what I've been hearing in this thread about a 20% speed
>>> difference with Intel parts, you will totally be ruined once you
>>> hit the 4GB barrier on your Intel hardware.
>> That's actually not true, intel came out with their first amd64 clone 
>> (which they call "EM64T") something like 3 or 4 years ago.  I cannot say 
>>  from first hand experience but I have heard that their current 
>> generation is solidly outperforming amd64.
> 
> Actually, what I said was true, it was my understanding that was
> wrong. :)
> 
> I guess the answer I was trying to say was, go for whatever
> gives you room for a lot of RAM.
> 

Yep, that is still good advice.

Kris