Utility methods for bitwise operations in Ruby.

Simple compact popcount array map

Generates random values with a specific hamming weight.

Fast algorithms for computing XX^T for binary matrices

Fast C header-only library for popcnt, pospopcnt, and set algebraic operations

Efficient C functions to compute the summary statistics (flagstats) for sequencing read sets.

Fast C functions for the computing the positional popcount (pospopcnt).

Accelerating convolution using numba, cupy and xnor in python

Bit Twiddling Hacks (Bit manipulation tips and tricks guide) by Sean Eron Anderson

Popcount is a program that returns the number of set bits, that is, bit whose value is 1, in a uint64 value, which is called its population count.

Draft specification for bit popcount in JavaScript.

PostgreSQL Extension introducing popcount[|32|64|Asm|Asm64|256](bit(n)).

SIMD (SSE) population count --- http://0x80.pl/articles/sse-popcount.html

Count the number of one bits of standard input

🚀 Fast C/C++ bit population count library