From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 0524D3CB35 for ; Tue, 11 Sep 2018 04:20:52 -0400 (EDT) Received: from [172.16.11.53] ([134.76.241.253]) by mail.gmx.com (mrgmx102 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MYLKn-1gLFMh48Yr-00VCVz; Tue, 11 Sep 2018 10:20:51 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Sebastian Moeller In-Reply-To: Date: Tue, 11 Sep 2018 10:20:49 +0200 Cc: Pete Heist , Cake List Content-Transfer-Encoding: quoted-printable Message-Id: References: <87zhwxzh8o.fsf@toke.dk> <139B295B-7371-43DE-B472-DE629C9B8432@heistp.net> <87efe65wol.fsf@toke.dk> <6C556301-015B-4903-AE5A-F22D3517FFCC@heistp.net> <79F47FB1-6B00-4753-930B-950FB8CD3850@gmx.de> To: =?utf-8?Q?Dave_T=C3=A4ht?= X-Mailer: Apple Mail (2.3445.9.1) X-Provags-ID: V03:K1:LJYtVKOoxccabH2LAWhqwW7JVTBcVVsGt8YH7tuDktgBLXfrn8G 3mQfAo6p4zmqAra69LuPqb8Eo+t/MRfp9TwEhaiLjac/nJOj4wAQ2yvaSOCqUFxWiopRin9 OYvECvNtNoM6UzV5MBwJWD2SfMYjej2JAYyuWypd+2Dke87x4Q6pnj3CtkuR6Ji2nUM37wM KhFI/z7Y1YaHmENoMQiNw== X-UI-Out-Filterresults: notjunk:1;V01:K0:jojp+r9JU34=:zygWx8YgPACo1v/mra4ekk CwELAWWrnf5AG0Ew4RCZG1S+GbtB6cjAUds2NWe4opX3ZFwHieKwAP02111EVTL9ltTjMwhCa htFpsgcLVlJg9WuJDVQSFpfplrpJn5fc70WEF0HGBW9d3zxWt5J5TCPdLetzaHfT/h+NththP qCvTqe+SrQt4d1bisPInYrkRGy+VVXuaOn/NO6TuhbtrDtulOt5AwxapngSEv8En0mqporgQs ibDTnJ3WllnRPhQJbBn0ppGJZ4ZU2Red9y6VYB98H83YMjjq2Cry921rSNckLU+P6h0Ct5eMr RxdTfTMH+nMypGTFpO7BeLZqkI0KR3ThSYGWvmLC/GX8jFQcKIq7QJD1JVus44EW4aEHAVi1h 2PRs6PIdkPC/zqnLgrfaugvdOgvnuzDq2O78zpdr2qvsTSKSoX/20UemLJVJUHVLur84BM+t/ XX4Phw2c0rcjK6lvoLx6DK1MDc4B6kvLyUtBh2z9Be9oaRTiJAC+kSjJCSJWz0mUHM2dOgx+l q+gbPQ1enWqkdW3a1seEpZnPy6q9Q0zNJZWx2oIL+G1YNIN1VO+/lTUy+R/C7YlJLKsj4SBCY 46QO2Bz5H/ELUYAkIJE38M8uygr7T13dBWolNwWeEU3L95nBBltnJoPudNr4lE0zu84614tAZ 7GVmWtdPLCFuH1+ttnILMgoofOAwvIXNcGOAMfLcmC2umaCHPmymbQyr2lfRprcpELunODsX5 17gyUzsiKQH+7SU0h9pAyeJa9oYBSEfTiUdwypMsG45lS9Mn2+SyVepGC6oTW7Wb62U9ZlvFJ cNRJqnC Subject: Re: [Cake] Cake vs fq_codel and c/burst on an ER-X bridge X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Sep 2018 08:20:53 -0000 Hi Dave, > On Sep 11, 2018, at 10:20, Dave Taht wrote: >=20 > What I "fixed" was on the apu2 with the burst/cburst change, I went > from completely bottlenecked on one softirq to having 3 eat cpu, and > from 400mbps to 900mbps. Now, that's a quad core and the e1000 (?) > driver. The edgerouter X is a dual core, and you did see a small > improvement in throughput, but I'd hoped for more. Well, assuming my intuitions about how burst/cburst ameliorate the = issue, we might simply have to say accept an additional 5ms delay/jitter = to make it perform better. It is basically the same batching approach = that always helps throughput of a cyclic process can not be repeated = often enough, simply do more per iteration... Best Regards Sebastian