Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 6 Sep 2002 15:27:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 6 Sep 2002 15:27:42 -0400 Received: from pizda.ninka.net ([216.101.162.242]:44679 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Fri, 6 Sep 2002 15:27:41 -0400 Date: Fri, 06 Sep 2002 12:24:05 -0700 (PDT) Message-Id: <20020906.122405.122283378.davem@redhat.com> To: ak@suse.de Cc: niv@us.ibm.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: Early SPECWeb99 results on 2.5.33 with TSO on e1000 From: "David S. Miller" In-Reply-To: <20020906212619.A28172@wotan.suse.de> References: <20020906202646.A2185@wotan.suse.de> <1031339954.3d78ffb257d22@imap.linux.ibm.com> <20020906212619.A28172@wotan.suse.de> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 577 Lines: 15 From: Andi Kleen Date: Fri, 6 Sep 2002 21:26:19 +0200 I'm not entirely sure it is worth it in this case. The locks are probably the majority of the cost. You can more localize the lock accesses (since we use per-chain locks) by applying a cpu salt to the port numbers you allocate. See my other email. - 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/