[Cake] Cake latency update

[Pete Heist]

> On Feb 12, 2017, at 5:41 PM, Jonathan Morton <chromatix99 at gmail.com> wrote:
> 
>> On 12 Feb, 2017, at 16:12, Pete Heist <peteheist at gmail.com> wrote:
>> 
>> 2) Using a 1.25 GHz Mac Mini PPC G4 I have laying around. I successfully ran fq_codel for ADSL on that box in the past, but at 5 / 0.5 Mbps. Accurate Flent results running Cake at 80 Mbps? Timer issues?
> 
> That should be absolutely fine at 80Mbps.  PowerPC Macs seem to have good hi-res timers in my experience, and the Sun GEM is a relatively good NIC.  The main limitation is that it’s PCI rather than PCIe, so it can’t reach the full GigE line rate, but it does go well above 100Mbps.
> 
> Don’t worry about BQL, since you’re not relying on NIC backpressure to control queuing.

Ok, good news, then that’s the way I’ll go! Thanks for that, more results later...

Pete