cyberkm/gist:4477b20acb38418a37e12f3eb7c5c21c

Created December 15, 2018 09:19

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Population count algorithm hack

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gistfile1.txt

	x * 0x0101010101010101ull

	is equal to (x + (x<<8) + (x<<16) + ... + (x<<56))

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