Population count
Encyclopedia
Population count may refer to:
- A censusCensusA census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...
, the process of obtaining information about every member of a population (not necessarily a human population) - Hamming weightHamming weightThe Hamming weight of a string is the number of symbols that are different from the zero-symbol of the alphabet used. It is thus equivalent to the Hamming distance from the all-zero string of the same length. For the most typical case, a string of bits, this is the number of 1's in the string...
, the number of non-zero entries ('1' bits) in a in a byte, string, word, array or other similar data structure