See also: The Aggregate Magic Algorithms page http://aggregate.org/MAGIC/ http://aggregate.org/MAGIC/ For example, Population Count instructions exist. But ma

See also: The Aggregate Magic Algorithms page http://aggregate.org/MAGIC/ http://aggregate.org/MAGIC/ For example, Population Count instructions exist. But may actually be microcoded to count one bit per cycle. Vectorizing your tallies can yield log time speedups: Faster Population Counts Using AVX2 Instructions https://arxiv.org/pdf/1611.07612.pdf https://arxiv.org/pdf/1611.07612.pdf