From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-gg0-f171.google.com (mail-gg0-f171.google.com [209.85.161.171]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id B2B78200681 for ; Sun, 13 May 2012 23:51:27 -0700 (PDT) Received: by ggmi1 with SMTP id i1so1163893ggm.16 for ; Sun, 13 May 2012 23:51:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=BjfX9PiIn6Lz07CKjDjIFqZzabsCPycmmxYFl9P6q7M=; b=W8K97LB9VBeweSsG3Dnv47/vqmekQDOCjWVLOiJCRJ2SBD7UA90LKWsRiKeHP3x//b fAu3KWMgyn12HSsdUikUZMxRmFqiah1JeoAeYMu61H9fLqDZrAxFiHQbfwpMgkzjNTTg xE9oHa8mywxESp+8rCumWYytM3ZgdOLnkJTmJPqD4w0lLi9msAckVWNN8me0XfP8I3Ex QlkpZAQLXBOKWO1FIfz0M1KZ1awl8NhjQtD8SAA+ldEYok59I3tBXgEdhPXV/5V2HH1h gLbQieGStLCoYi7wdbtBqK5YEKIYlEWH0A5tm9t5rCcoSn1kjTV5ndvUT8yBN/MDmLRB xwPw== MIME-Version: 1.0 Received: by 10.42.155.1 with SMTP id s1mr27597icw.21.1336978286633; Sun, 13 May 2012 23:51:26 -0700 (PDT) Received: by 10.64.94.129 with HTTP; Sun, 13 May 2012 23:51:26 -0700 (PDT) In-Reply-To: <4FB0AA68.2000800@gmail.com> 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> <4FB0AA68.2000800@gmail.com> Date: Mon, 14 May 2012 08:51:26 +0200 Message-ID: From: =?ISO-8859-1?Q?Roger_J=F8rgensen?= To: dave taht Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: codel@lists.bufferbloat.net 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 06:51:28 -0000 On Mon, May 14, 2012 at 8:47 AM, dave taht wrote: > 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 2-3m= s >>>> 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 hos= t, > at 1Gbit, with fq_codel on all sides... with =A010 TCP_MAERTS, 10 TCP_STR= EAMS, > over pure IPv6 > > and am running test for 6000 seconds. =A0and 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 gett= ing > ther.... could you pass me the script for setting that up, got nowhere with any of the previous... will try the same on some 10GigE servers over v6... --=20 Roger Jorgensen=A0 =A0 =A0 =A0 =A0=A0=A0| ROJO9-RIPE rogerj@gmail.com=A0 =A0 =A0 =A0=A0 =A0| - IPv6 is The Key! http://www.jorgensen.no=A0=A0 | roger@jorgensen.no