Re: And I do wonder how this would work on a Pi Zero
I'd steer clear of the pavement if I was you!
The nematode brain modelled as a NN managed character recognition using considerably less neurons than 'standard' methods. I was alluding to the idea that AI will probably come to be made from 'brain units' that are sort of pre-wired NN that perform certain 'brain functions' from which we can produce far more reliable AI and I thought atmega328p might be worth looking at for hosting these components. Looking at the spec though they are on 20mips and a PiZero GPU can achieve 24Gflops for 10 times the price so I deleted the post you were answering to and decided to reply to yours!
I do however believe that AI is almost pre-nascent at the moment. When people look at actual brains in nematodes, insects and eventually mammals we will be able to identify processes that make up intelligence and behaviour developed and refined over some 600million years of evolution. We're barely modelling the AI equivalent of NAND gates at the moment!