3 comments
Pretty cool that they seemed to have come up with the idea on their own, but they're definitely not the first: <a href="https://graphics.stanford.edu/~seander/bithacks.html#ZerosOnRightMultLookup" rel="nofollow">https://graphics.stanford.edu/~seander/bithacks.html#ZerosOn...</a>
This is a good illustration of what competent SIMD code requires.
Might be useful on a GPU or something I guess?