From owner-freebsd-performance@FreeBSD.ORG Mon May 2 23:03:48 2005 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 721E916A4CE for ; Mon, 2 May 2005 23:03:48 +0000 (GMT) Received: from flake.decibel.org (flake.decibel.org [67.100.216.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 11BBD43D86 for ; Mon, 2 May 2005 23:03:48 +0000 (GMT) (envelope-from decibel@decibel.org) Received: by flake.decibel.org (Postfix, from userid 1001) id 7E0BF152B6; Mon, 2 May 2005 18:03:43 -0500 (CDT) Date: Mon, 2 May 2005 18:03:43 -0500 From: "Jim C. Nasby" To: David Gilbert Message-ID: <20050502230343.GG47820@decibel.org> References: <6.2.1.2.0.20050501094429.06974910@64.7.153.2> <42750861.8000509@mac.com> <6.2.1.2.0.20050501193659.05483bd0@64.7.153.2> <17014.14219.963494.753741@canoe.dclg.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17014.14219.963494.753741@canoe.dclg.ca> X-Operating-System: FreeBSD 4.11-RELEASE i386 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.8i cc: freebsd-performance@freebsd.org cc: Mike Tancsa Subject: Re: 64bit CPUs X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 May 2005 23:03:48 -0000 On Mon, May 02, 2005 at 10:22:03AM -0400, David Gilbert wrote: > >>>>> "Mike" == Mike Tancsa writes: > > Mike> Thanks! I was worried I was missing something obvious in all > Mike> the 64bit excitement. For my apps where I cant balance across > Mike> multiple machines or where space is an issue, dual core CPUs I > Mike> think might be more interesting to look at in a few months. > > Hi Mike! > > Anyways, we've been finding that raw packet passing is significantly > better on some of the newer tyan opteron boards. But then that may > have as much to do with them shipping with multiple independant PCI-X > slots than the opterons themselves. Memory bandwidth probably doesn't > hurt, either. I was just going to mention that what's more important than gobs of memory is memory bandwidth, which the Opterons have much more of than other CPUs. So any application that needs to move a lot of data, whether a database or a router, will benefit. -- Jim C. Nasby, Database Consultant decibel@decibel.org Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?"