alt Hacker NewsThe hw implementation of xor is simpler than sub, so it should consume slightly less energy. Wondering how much energy was saved in the whole world by using xor instead of sub.
Replies
croes • today at 9:36 AM
I guess everything what was saved was burned by the first useless image created per AI
I doubt any of that is measurable, since all ALU operations are usually implemented with the same logic (e.g. see https://www.righto.com/2013/09/the-z-80-has-4-bit-alu-heres-...)