popcount

Documentation

Overview

Package popcount ... Exercise 2.3: Rewrite PopCount to use a loop instead of a single expression. Compare the per- formance of the two versions. (Section 11.4 shows how to compare the performance of differ- ent implementations systematically.)

Index

• func PopCount(x uint64) int
• func PopCountLoop(x uint64) int

Functions

func PopCount

func PopCount(x uint64) int

PopCount returns the population count (number of set bits) of x.

func PopCountLoop

func PopCountLoop(x uint64) int

PopCountLoop use a loop instead of a single expression.