Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 3 Apr 2001 08:21:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 3 Apr 2001 08:21:40 -0400 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:14085 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Tue, 3 Apr 2001 08:21:32 -0400 Subject: Re: [Linux-fbdev-devel] Re: fbcon slowness [was NTP on 2.4.2?] To: geert@linux-m68k.org (Geert Uytterhoeven) Date: Tue, 3 Apr 2001 13:21:53 +0100 (BST) Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), jsimmons@linux-fbdev.org (James Simmons), lk@tantalophile.demon.co.uk (Jamie Lokier), linux-kernel@vger.kernel.org (Linux Kernel Mailing List), linux-fbdev-devel@lists.sourceforge.net (Linux Fbdev development list) In-Reply-To: from "Geert Uytterhoeven" at Apr 03, 2001 08:23:55 AM X-Mailer: ELM [version 2.5 PL1] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > The MMX memcpy for CyrixIII and Athlon boxes is something like twice the > > speed of rep movs. On most pentium II/III boxes the fast paths for rep movs > > and for MMX are the same speed > > As long as you are copying in real memory. So the PCI bus or the host bridge > implementation may be the actual limit. The CyrixIII sits on the same host bridges as the intel processors - 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/