[Cake] some comprehensive arm64 w/cake results

[Jonathan Morton]

On Monday, 18 September 2023, Dave Taht via Cake wrote:
> A huge thanks to dave seddon for buckling down and doing some comprehensive
> testing of a variety of arm64 gear!
> 
> https://docs.google.com/document/d/1HxIU_TEBI6xG9jRHlr8rzyyxFEN43zMcJXUFlRuhiUI/edit#heading=h.bpvv3vr500nw

I'm really not sure it's valid to compare fq_codel on default settings (equivalent to rtt 100ms) to Cake on 1ms and 3ms rtt settings.  At such tight settings you're asking Cake to hold the queue down to a fifth of a millisecond, and we already know from L4S that's a fool's errand.  The internal overheads of the Linux kernel will give you delays of that order already.

At least include a run with Cake similarly on rtt 100ms, which is the default and what most Internet facing CPE would run.  You may well find that throughput improves significantly. 

  -  Jonathan Morton
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