what the force of many cannot
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Your skill will accomplish what the force of many cannot |
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Re: How to do popcount (aka Hamming weight) in Perlby LanX (Saint) |
| on Sep 24, 2017 at 10:37 UTC ( [id://1199988]=note: print w/replies, xml ) | Need Help?? |
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> Improvements welcome. Performance wise? I think a pre computed lookup table is the way I'd go. An array with 2**16 entries should be a good compromise between time and memory complexity. (Since Perl doesn't fit into a CPU's line cache) Sorry too busy to code it for you :)
Cheers Rolf
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