What should you ask the aliens? If you want AI flops, something like a TPU is roughly optimal already given transistor limits (i.e. within a factor of 10 or so) - i.e. a CPU-ish kind of thing with a big systolic array and vector units. You'd want to instead ask about optimal physics for making chips, not structure on the chips. But really, this is what you ask: please provide us with a bitstream of all your knowledge, ordered dynamically from most useful things to us first to least useful, with "useful" defined by some mix of our own perception of what is useful and your superior perspective.
Source: Hacker News · Summarized by HeadlinesBriefing