You Won’t Believe This One Weird CPU Instruction! - Vaibhav SagarTranslated to Russian by Babur Muradov and Uzbek by Leonid Popov. This is a pseudo-transcript of a presentation I did at !!Con 2019. Most CPU architectures in use today have an instruction called popcount, short for “population count”. Here’s what it does: it counts the number of set bits in a machine word. For example (assuming 8-bit words for simplicity), popcount(00100110) is 3 and popcount(011
