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Comment by iamgopal | Hacker News Reader

So new AI chip will be coming optimised for large scale non-byte bit only AI world ?

Every CPU and GPU now has popcount [1] instruction. You can thank US three letter agencies for that [2].

  [1] https://en.wikipedia.org/wiki/Hamming_weight#Processor_support
  [2] https://vaibhavsagar.com/blog/2019/09/08/popcount/

Multiplication then is just bitwise AND and a popcount.

Makes you wonder what the agencies know that we don’t…

It's just cryptography and encoding. Popcount is useful for understanding entropy.