[Cake] [Codel] Proposing COBALT

Loganaden Velvindron loganaden at gmail.com
Wed May 25 02:40:36 EDT 2016

On Tue, May 24, 2016 at 8:02 PM, Dave Taht <dave.taht at gmail.com> wrote:
> On Tue, May 24, 2016 at 9:56 AM, Jonathan Morton <chromatix99 at gmail.com> wrote:
>>> On 24 May, 2016, at 18:52, Dave Täht <dave at taht.net> wrote:
>>> My last attempts with cake the way it was had it performing miserably at
>>> longer RTTs (try 50ms) vs codel or fq-codel - as in half the throughput
>>> achieved by codel, at that RTT.
>> Was that before or after I found and fixed the invsqrt cache bug yesterday?
> That was back in december, when I had also ripped out the invsqrt
> cache entirely with things like "bcake".
> (I still do not see any point to the invsqrt cache, nor )
> I did some informal testing of recent cakes about a month back.. and
> went back to fq_codel. cake ate too much cpu, queue depth was longer,
> throughput at 50ms or longer, worse.
> I decided that I'd much rather work on wifi.
> Please test at longer rtts.

In African countries, we have large RTTs to Europe/US, and I think
that this is going to be an interesting testbed :)

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