From owner-freebsd-questions@FreeBSD.ORG Mon Aug 28 08:00:43 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A185716A4ED for ; Mon, 28 Aug 2006 08:00:43 +0000 (UTC) (envelope-from martin.miedema@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.179]) by mx1.FreeBSD.org (Postfix) with ESMTP id 856E343D64 for ; Mon, 28 Aug 2006 08:00:19 +0000 (GMT) (envelope-from martin.miedema@gmail.com) Received: by py-out-1112.google.com with SMTP id o67so2209900pye for ; Mon, 28 Aug 2006 01:00:18 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=qx7h1T1oEhy+DIqJAmotuZTMjbFWHV7WubGsCl8hX3oSk1tAp/nvrgzUTHlWbGiJimsIX9IW2Rgq9USpCZOiVM8DziRUBH5DTPjo0sRdTJg5qV7oFp48pfrx7g8WsTphVXIlB0cKZwG6G7E4fhIVKmG/nDrN+FXmA6WO+vywcv4= Received: by 10.35.26.14 with SMTP id d14mr11864652pyj; Mon, 28 Aug 2006 01:00:18 -0700 (PDT) Received: from ?10.64.20.7? ( [193.95.177.158]) by mx.gmail.com with ESMTP id n80sm5782069pye.2006.08.28.01.00.17; Mon, 28 Aug 2006 01:00:18 -0700 (PDT) Message-ID: <44F2A2BB.8030609@gmail.com> Date: Mon, 28 Aug 2006 09:00:59 +0100 From: Martin Miedema User-Agent: Thunderbird 1.5.0.2 (Windows/20060308) MIME-Version: 1.0 To: ke han References: <44EF0F92.80108@gmail.com> <20060827220002.C19869@chylonia.3miasto.net> <47B7C4B9-BB47-48EE-A70B-9A9D6B671207@redstarling.com> In-Reply-To: <47B7C4B9-BB47-48EE-A70B-9A9D6B671207@redstarling.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Wojciech Puchar , freebsd-questions@freebsd.org Subject: Re: Intel 64bit / AMD 64 bit advantage X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Aug 2006 08:00:43 -0000 ke han wrote: > > On Aug 28, 2006, at 4:03 AM, Wojciech Puchar wrote: > >>> 32 vs 64 bits does not give you any raw performance boost for most >>> apps. The >> >> yes it will. FreeBSD/amd64 works at least 10% faster than >> FreeBSD/i386 on athlon64 machine, when i386 version were recompiled >> for P4. With default FreeBSD/i386 - it will be at least 30%. >> >> just because it's not just 64-bit addresses, but twice the registers >> (r8-r15) allowing C compiler to generate more efficient code. >> >> For now AMD64 is the fastest and cheapest architecture - at least >> with AMD processors, not intel clones. (YES now intel makes clones of >> AMD processors) > > I stand corrected ;-)...This is good info, thanks. > > However, to the original post, you will not see 10-30 % performance > difference on your email or file sharing between an Intel Celeron and > AMD Opteron. These types of apps are Disk and Network IO bound. > Spend your money on redundancy/fail-over of hard drive and power > supply. Also choosing a well regarded NIC is important. > > ke han > >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" > > Thanks a million for this info, this saved he good bunch of money, which I can use better some were else :)