Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 21 Apr 2001 09:01:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 21 Apr 2001 09:00:55 -0400 Received: from www.nobugconsulting.ro ([212.93.142.140]:44806 "EHLO nobugconsulting.ro") by vger.kernel.org with ESMTP id ; Sat, 21 Apr 2001 09:00:48 -0400 X-RAV-AntiVirus: This e-mail has been scanned for viruses Date: Sat, 21 Apr 2001 15:59:18 +0300 (EEST) From: To: Alan Cox Cc: linux-kernel@vger.kernel.org Subject: Re: A question about MMX. In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Thank you all who have responded my question. Have a nice day! /me On Sat, 21 Apr 2001, Alan Cox wrote: > > I have a Intel Pentium MMX machine and it acts as a mailserver, webserver, > > ftp and I use X on it. I would like to know if the MMX instructions are > > used by the kernel in this operations or not (networking, X etc.). > > In almost all cases - no. The MMX instructions are mostly not useful. A few > graphics operations benefit from them such as mpeg players but that is about > it. > > On the AMD and Cyrix machines 3Dnow is used extensively by Mesa (3D) and by > many of the mp3 players. The winchip and athlon kernels also use mmx for > block copies but this isnt a win in the pentium case. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/