Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265577AbTFMXHL (ORCPT ); Fri, 13 Jun 2003 19:07:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265578AbTFMXHK (ORCPT ); Fri, 13 Jun 2003 19:07:10 -0400 Received: from dp.samba.org ([66.70.73.150]:40406 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S265577AbTFMXHJ (ORCPT ); Fri, 13 Jun 2003 19:07:09 -0400 Date: Sat, 14 Jun 2003 09:18:36 +1000 From: Anton Blanchard To: "David S. Miller" Cc: haveblue@us.ibm.com, hdierks@us.ibm.com, scott.feldman@intel.com, dwg@au1.ibm.com, linux-kernel@vger.kernel.org, milliner@us.ibm.com, ricardoz@us.ibm.com, twichell@us.ibm.com, netdev@oss.sgi.com Subject: Re: e1000 performance hack for ppc64 (Power4) Message-ID: <20030613231836.GD32097@krispykreme> References: <1055521263.3531.2055.camel@nighthawk> <20030613223841.GB32097@krispykreme> <20030613.154634.74748085.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030613.154634.74748085.davem@redhat.com> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 793 Lines: 24 > Not really... one retransmit and the TCP header size grows > due to the SACK options. OK scratch that idea. > I find it truly bletcherous what you're trying to do here. I think so too, but its hard to ignore ~100Mbit/sec in performance. > Why not instead find out if it's possible to have the e1000 > fetch the entire cache line where the first byte of the packet > resides? Even ancient designes like SunHME do that. Rusty and I were wondering why the e1000 didnt do that exact thing. Scott: is it possible to enable such a thing? Anton - 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/