From owner-freebsd-performance@FreeBSD.ORG Sun May 1 16:49:14 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 DD06C16A4CE for ; Sun, 1 May 2005 16:49:14 +0000 (GMT) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id A4E5A43D31 for ; Sun, 1 May 2005 16:49:14 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id 186585E8D; Sun, 1 May 2005 12:49:14 -0400 (EDT) Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 31990-07; Sun, 1 May 2005 12:49:13 -0400 (EDT) Received: from [192.168.1.3] (pool-68-161-53-96.ny325.east.verizon.net [68.161.53.96]) by pi.codefab.com (Postfix) with ESMTP id 041765C86; Sun, 1 May 2005 12:49:12 -0400 (EDT) Message-ID: <42750861.8000509@mac.com> Date: Sun, 01 May 2005 12:48:33 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.7) Gecko/20050414 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mike Tancsa References: <6.2.1.2.0.20050501094429.06974910@64.7.153.2> In-Reply-To: <6.2.1.2.0.20050501094429.06974910@64.7.153.2> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at codefab.com cc: freebsd-performance@freebsd.org 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: Sun, 01 May 2005 16:49:15 -0000 Mike Tancsa wrote: > A somewhat obvious question to some perhaps, but what server application > mix on FreeBSD today sees an improvement using 64bit CPUs ? Databases. Big ones, anyway. Other than that, not much, unless you're running processes which would like to use more than 2GB of RAM. > In my ISP centric world, my big apps are BIND, IMAP/POP3, httpd via apache, > SMTP, AV and SPAM scanning, and firewalls/routing. Apart from larger RAM, > why would these benefit from the 64bit world ? Or would they ? None of these tasks would benefit much from 64-bit computing; many of them might even run faster in 32-bit mode than in 64-bit mode. -- -Chuck