From owner-freebsd-questions@FreeBSD.ORG  Thu Mar  6 01:00:18 2008
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 312F0106566C
	for <freebsd-questions@freebsd.org>;
	Thu,  6 Mar 2008 01:00:18 +0000 (UTC)
	(envelope-from fbsd06+TY=9ad2eb9b@mlists.homeunix.com)
Received: from turtle-out.mxes.net (turtle-out.mxes.net [216.86.168.191])
	by mx1.freebsd.org (Postfix) with ESMTP id 107078FC29
	for <freebsd-questions@freebsd.org>;
	Thu,  6 Mar 2008 01:00:18 +0000 (UTC)
	(envelope-from fbsd06+TY=9ad2eb9b@mlists.homeunix.com)
Received: from mxout-04.mxes.net (mxout-04.mxes.net [216.86.168.179])
	by turtle-in.mxes.net (Postfix) with ESMTP id A85CC164A59
	for <freebsd-questions@freebsd.org>;
	Wed,  5 Mar 2008 19:42:25 -0500 (EST)
Received: from gumby.homeunix.com. (unknown [87.81.140.128])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by smtp.mxes.net (Postfix) with ESMTP id 695EAD05B3
	for <freebsd-questions@freebsd.org>;
	Wed,  5 Mar 2008 19:42:24 -0500 (EST)
Date: Thu, 6 Mar 2008 00:42:21 +0000
From: RW <fbsd06@mlists.homeunix.com>
To: freebsd-questions@freebsd.org
Message-ID: <20080306004221.14aa242c@gumby.homeunix.com.>
In-Reply-To: <20080305194611.A8684@wojtek.tensor.gdynia.pl>
References: <200803050036.33579.itz@mushinsky.net>
	<20080305171303.GA35180@slackbox.xs4all.nl>
	<bbe9e35d0803050935w3476aeabl4bef4b8912f0f814@mail.gmail.com>
	<20080305194611.A8684@wojtek.tensor.gdynia.pl>
X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.8; i386-portbld-freebsd7.0)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Subject: Re: amd64 or i386 for desktop use?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 06 Mar 2008 01:00:18 -0000

On Wed, 5 Mar 2008 19:47:53 +0100 (CET)
Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote:

> >> of RAM, and I seldom use more than half of that. Mind you, I'm
> >> using a simple window manager not a desktop environment with lots
> >> of bells & whistles.
> >>
> >> I suspect binaries on i386 will be somewhat smaller. But amd64 has
> >> more registers which might give some speed advantages. I haven't
> >> tested it, but
> 
> yes it is much faster (somehow like 20%), and code size are rarely
> big part of memory usage. 

Everything I've every seen about this suggests that amd64 is faster on
a few applications, such as mp3 encoding, but generally there is very
little difference, on average, across desktop applications. Do you have
any measurements to support that 20% figure.