From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [PATCH net-next-2.6] net: speedup udp receive path Date: Fri, 30 Apr 2010 20:06:34 -0400 Message-ID: <1272672394.14499.1.camel@bigi> References: <1272010378-2955-1-git-send-email-xiaosuo@gmail.com> <20100427.150817.84390202.davem@davemloft.net> <1272406693.2343.26.camel@edumazet-laptop> <1272454432.14068.4.camel@bigi> <1272458001.2267.0.camel@edumazet-laptop> <1272458174.14068.16.camel@bigi> <1272463605.2267.70.camel@edumazet-laptop> <1272498293.4258.121.camel@bigi> <1272514176.2201.85.camel@edumazet-laptop> <1272540952.4258.161.camel@bigi> <1272545108.2222.65.camel@edumazet-laptop> <1272547061.4258.174.camel@bigi> <1272547307.2222.83.camel@edumazet-laptop> <1272548258.4258.185.camel@bigi> <1272548980.2222.87.camel@edumazet-laptop> <1272549408.4258.189.camel@bigi> <1272573383.3969.8.camel@bigi> <1272655814.3879.8.camel@bigi> <1272660000.2230.4.camel@edumazet-laptop> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Changli Gao , David Miller , therbert@google.com, shemminger@vyatta.com, netdev@vger.kernel.org, Eilon Greenstein , Brian Bloniarz To: Eric Dumazet Return-path: Received: from mail-qy0-f183.google.com ([209.85.221.183]:43949 "EHLO mail-qy0-f183.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757077Ab0EAAGk (ORCPT ); Fri, 30 Apr 2010 20:06:40 -0400 Received: by qyk13 with SMTP id 13so1093681qyk.1 for ; Fri, 30 Apr 2010 17:06:39 -0700 (PDT) In-Reply-To: <1272660000.2230.4.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2010-04-30 at 22:40 +0200, Eric Dumazet wrote: > > I used your program, and with RPS off, I can get at most 220.000 pps > with my "old" hardware. I dont understand how you can reach 700.000 pps > with RPS off. Or is it with your Nehalem ? Yes, Nehalem. RPS off is better (~700Kpp) than RPS on(~650kpps). Are you seeing the same trend on the old hardware? cheers, jamal