A thing to keep in mind is that 1 MWh of raw calories takes much more than 1 MWh to produce (fuel for tractors, inefficiency of meat etc). The GPU energy is als

A thing to keep in mind is that 1 MWh of raw calories takes much more than 1 MWh to produce (fuel for tractors, inefficiency of meat etc). The GPU energy is also easier to make renewable. I did an extremely rough calculation recently that the training of GPT-3 is comparable to one transatlantic flight (all passengers combined) in terms of emissions, very depending on the energy mix of course.