It's buried in the article, but here's the paper: http://arxiv.org/abs/1209.2137 http://arxiv.org/abs/1209.2137 Here's the source: https://github.com/lemire/

It's buried in the article, but here's the paper: http://arxiv.org/abs/1209.2137 http://arxiv.org/abs/1209.2137 Here's the source: https://github.com/lemire/FastPFor https://github.com/lemire/FastPFor