From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: [PATCH] Add prefetches in net/ipv4/route.c Date: Thu, 28 Jul 2005 12:39:22 -0700 (PDT) Message-ID: <20050728.123922.126777020.davem@davemloft.net> References: <20050704.160140.21591849.davem@davemloft.net> <42CA390C.9000801@cosmosbay.com> <42E8FF24.9070009@cosmosbay.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@oss.sgi.com Return-path: To: dada1@cosmosbay.com In-Reply-To: <42E8FF24.9070009@cosmosbay.com> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org From: Eric Dumazet Date: Thu, 28 Jul 2005 17:52:04 +0200 > [NET] : Adds prefetches in route hash list traversals. > > The actual code doesnt use a prefetch enabled macro like > list_for_each_rcu(), so manually add prefetch() hints. and the measured performance improvement is?