From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: Early SPECWeb99 results on 2.5.33 with TSO on e1000 Date: Fri, 06 Sep 2002 12:24:05 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Message-ID: <20020906.122405.122283378.davem@redhat.com> References: <20020906202646.A2185@wotan.suse.de> <1031339954.3d78ffb257d22@imap.linux.ibm.com> <20020906212619.A28172@wotan.suse.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: niv@us.ibm.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Return-path: To: ak@suse.de In-Reply-To: <20020906212619.A28172@wotan.suse.de> List-Id: netdev.vger.kernel.org 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.