What is the fastest way to count all set bits?
9560
How to count the number of set bits in a 32-bit integer?
41448
Counting set for generating functions
1050
Counting inversions in an array
4221
Determining the number of bit strings of length n that contains no adjacent 0s
111884
C/C++ efficient bit array
125484
Fastest square number test
123109
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
144897
Clearing Flag Bits By Writing 1
4618
Can counting byte matches between two strings be optimized using SIMD?
64994
boolean[] vs. BitSet: Which is more efficient?
60384
Define bitset size at initialization?
148734
Time complexity analysis. choosing operator for counting number of times a line of code runs
64658
How many associative binary operations for a set of two elements?
50002
Find out number of bits needed to represent a positive integer in binary?
72586
MySQL: Fastest way to count number of rows
9471
64bit/32bit division faster algorithm for ARM / NEON?
33774
How to efficiently count the number of keys/properties of an object in JavaScript?