From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hagen Paul Pfeifer Subject: Re: [PATCH v1] net: filter: Just In Time compiler Date: Sun, 3 Apr 2011 00:50:02 +0200 Message-ID: <20110402225002.GJ3108@nuttenaction> References: <1301783301.2837.77.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: David Miller , netdev , Arnaldo Carvalho de Melo To: Eric Dumazet Return-path: Received: from alternativer.internetendpunkt.de ([88.198.24.89]:38472 "EHLO geheimer.internetendpunkt.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753017Ab1DBWuF (ORCPT ); Sat, 2 Apr 2011 18:50:05 -0400 Content-Disposition: inline In-Reply-To: <1301783301.2837.77.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: * Eric Dumazet | 2011-04-03 00:28:21 [+0200]: >In order to speedup packet filtering, here is an implementation of a JIT >compiler for x86_64 Great work! Eric, do you have some numbers? For a trivial "ret" filter the performance gain should be marginal - if any. But what with complex filter rules? And as said last time: libpcap optimizer seems to be target number one for optimization. Again: great work! Hagen