From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f43.google.com (mail-pb0-f43.google.com [209.85.160.43]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 7FCEB200681 for ; Sun, 13 May 2012 23:47:08 -0700 (PDT) Received: by pbcwz7 with SMTP id wz7so10202065pbc.16 for ; Sun, 13 May 2012 23:47:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=rTzO0bWZ8ShWBroOnn7+HozbJmQO5SSTRdpiqjdtE+Y=; b=trWvKsYaUBkah/tlKKjozK8dsrXNoZEIh8+OgXJIMif1BINUDP/jeEsmn4vu+sWfF+ TnQB8aPjFkp1KwEzfcZFhZC3FgSuWcWyzHw9IiWjZYi6OuhW6slS7X0LTqVLKF+suqgK 1uXPPu0p6rWYKnSTR3ZgwrUCh2C2Zwu+lx13dS8+R56iBqPI1/AHrfW08Ogf3A3oSM3y zMyhruD+mzN2IajMCFLvkkyBomTwvXL+i9ltIc1hrK2R5tXOoRqQVtDokufE8nUE/fkq rsuIhM4GQaQ4qmGjAOdiNJnr9WixNdrgn4iP29rSFTvT/jiNveiUZXUYjCgxi1DsBJr8 N4wA== Received: by 10.68.227.227 with SMTP id sd3mr19418288pbc.53.1336978028049; Sun, 13 May 2012 23:47:08 -0700 (PDT) Received: from ?IPv6:2001:4f8:3:203::c001? ([2001:4f8:3:203::c001]) by mx.google.com with ESMTPS id tx9sm21355195pbc.10.2012.05.13.23.47.06 (version=SSLv3 cipher=OTHER); Sun, 13 May 2012 23:47:06 -0700 (PDT) Message-ID: <4FB0AA68.2000800@gmail.com> Date: Sun, 13 May 2012 23:47:04 -0700 From: dave taht User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120410 Thunderbird/11.0.1 MIME-Version: 1.0 To: Eric Dumazet , codel@lists.bufferbloat.net References: <1336855256.31653.1329.camel@edumazet-glaptop> <20120512.164513.1156706853054390966.davem@davemloft.net> <1336859324.31653.1385.camel@edumazet-glaptop> <20120512.175217.1632102067268101115.davem@davemloft.net> <1336893803.8512.43.camel@edumazet-glaptop> <4FB09F8D.6070403@gmail.com> <1336976277.8512.46.camel@edumazet-glaptop> <4FB0A73F.9090501@gmail.com> In-Reply-To: <4FB0A73F.9090501@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Codel] [PATCH net-next] codel: use Newton method instead of sqrt() and divides X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 May 2012 06:47:08 -0000 On 05/13/2012 11:33 PM, dave taht wrote: > On 05/13/2012 11:17 PM, Eric Dumazet wrote: >> On Sun, 2012-05-13 at 23:00 -0700, dave taht wrote: >>> I am sitting here with the latest fq_codel implementation on >>> cerowrt, and >>> this new 16 bit change. >>> >>> With either interface, running netserver on the router, I get >>> ~260Mbit/sec out of it, >>> with fq_codel on. It's quite marvelous, as ping times stay in the 2-3ms >>> range... >>> >> If you disable TSO and GSO, do you still get good numbers ? This is the first time I've had these puppies not crash in a month under workloads like this. *Everything* I have has TSO and GSO off by default. That stuff has cause me no end of grief. But for you... I just fired up a long duration ipv6 test with TSO/GSO on the driving host, at 1Gbit, with fq_codel on all sides... with 10 TCP_MAERTS, 10 TCP_STREAMS, over pure IPv6 and am running test for 6000 seconds. and I'm going to dinner. :) At the moment I see ping times 1.553 avg, 5.999 max, I can do a CDF plot of the next run. Actually I think ipv4 fragmentation is still busted in cero, but I'm getting ther....