From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp95.iad3b.emailsrvr.com (smtp95.iad3b.emailsrvr.com [146.20.161.95]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5AE353B2A4 for ; Tue, 1 Sep 2020 15:01:14 -0400 (EDT) X-Auth-ID: jf@jonathanfoulkes.com Received: by smtp12.relay.iad3b.emailsrvr.com (Authenticated sender: jf-AT-jonathanfoulkes.com) with ESMTPSA id B84E3C0261; Tue, 1 Sep 2020 15:01:13 -0400 (EDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) From: Jonathan Foulkes In-Reply-To: <87r1rliiiw.fsf@toke.dk> Date: Tue, 1 Sep 2020 15:01:13 -0400 Cc: Mikael Abrahamsson , bloat@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: <07CD4278-D448-49D2-AC73-9C230EC041DE@jonathanfoulkes.com> References: <87mu2bjbf8.fsf@toke.dk> <5DBFB383-13E8-4587-BE49-1767471D7D59@jonathanfoulkes.com> <87r1rliiiw.fsf@toke.dk> To: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= X-Mailer: Apple Mail (2.3608.120.23.2.1) X-Classification-ID: 2900b408-2c4c-40e0-a282-00eb44c21742-1-1 Subject: Re: [Bloat] CAKE in openwrt high CPU X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Sep 2020 19:01:14 -0000 Thanks Toke, we currently are on an MT7621a @880, so a dual-core. And we are looking for a good quad-core platform that will support = 600Mbps or more with Cake enabled, hopefully with AX radios as well. Jonathan > On Sep 1, 2020, at 12:11 PM, Toke H=C3=B8iland-J=C3=B8rgensen = wrote: >=20 > Jonathan Foulkes writes: >=20 >> Toke, that link returns a 404 for me. >=20 > Ah, seems an extra character snuck in at the end - try this: >=20 > = https://github.com/dtaht/sch_cake/commit/3152477235c934022049fcddc063c45d3= 7ec10e6 >=20 >> For others, I=E2=80=99ve found that testing cake throughput with = isolation options enabled is tricky if there are many competing = connections.=20 >> Like I keep having to tell my customers, fairness algorithms mean no = one device will ever gain 100% of the bandwidth so long as there are = other open & active connections from other devices. >>=20 >> That said, I=E2=80=99d love to find options to increase throughput = for >> single-tin configs. >=20 > Yeah, doing something about this is on my list, one way or another. = Not > sure how much more we can do in terms of overhead, so we may have to = go > for multi-q (and multi-CPU) support. How many CPU cores does the > IQrouter have? >=20 > -Toke