Re: [Cake] [Fwd: Re: RHODIUM - nuking blue (for testing)]

["Luis E. Garcia" <luis@bitamins.net>]

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Dave,
What is the highest bandwidth that you have been able to shape with CAKE on
the APU2?

Regards,
Luis Garcia

On Wed, Dec 6, 2017 at 3:08 PM, Dave Taht <dave@taht.net> wrote:

>
> Groovy.
>
> I guess if I had any one goal, was that I wanted to have cake to shape
> well on the APU2 at a gigabit. That's the highest end "home router" we
> have, although it would be good to get results on things like the turris
> omnia, also.
>
> I hope to start a round of profiling as to what can be optimized (out)
> this weekend. Last I looked the hashing costs dominated.
>
> Pretty sure we're good at 200Mbit there (aside from the ingress bug).
>
> It would be nice to have a test showing blue being useful.
>
> Did you get cpu stats for the below tests?
>
> Georgios Amanakis <gamanakis@gmail.com> writes:
>
> > -------- Forwarded Message --------
> > From: Georgios Amanakis <gamanakis@gmail.com>
> > To: Dave Taht <dave.taht@gmail.com>
> > Cc: Cake List <cake@lists.bufferbloat.net>, Jonathan Morton <chromatix9
> > 9@gmail.com>, Pete Heist <peteheist@gmail.com>
> > Subject: Re: [Cake] RHODIUM - nuking blue (for testing)
> > Date: Tue, 05 Dec 2017 20:58:39 -0500
> >
> > I just finished testing Rhodium, and I am supplementing Sunday's
> > results.
> >
> > CMTS setup:
> > server -- delay -- isp -- mbox -- client
> >
> > ISP limited at 200/10mbit.
> > Cake/HTB shaping at 180/9mbit.
> > RTT 20ms with cake's RTT set at 20ms
> > rrul_be_nflows, 32 download, 8 upload streams.
> > net.ipv4.tcp_ecn=2 in all nodes (linux default)
> >
> > Cake tested in all flow-isolation modes with all ack filtering options.
> > HTB tested with codel,pie,fq,sfq,fq_codel.
> >
> > Rhodium(cakerhod) doesn't show much difference against Cobalt(cake).
> >
> > George
> >
> > On Tue, 2017-12-05 at 11:32 -0800, Dave Taht wrote:
> >> Given some of the results thus far at various RTTs, and at higher
> >> loads, like the ginormous one georgios just ran, I thought it might
> >> be
> >> useful to run a battery of tests with blue disabled.
> >>
> >> I haven't gone to the trouble of creating a formal branch - tho if I
> >> did, I'd call it rhodium, as rhodium detectors are used in nuclear
> >> reactors to measure the neutron flux level.
> >>
> >> untested-but-compiling-patch attached. I'm busy on a few other things
> >> this week, and it is looking like we'll have to replace the xstats
> >> structure with something smaller to go mainline.
> >>
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> >
> >
> >
> >
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