gistfile1.txt

import time


def func1(param):
    counter = 0
    while param:
        if param & 1:
            counter += 1
        param >>= 1
    return counter


def func2(param):
    return bin(param).count('1')


val = 4242424242
count = 100000

print('C like')
t1 = time.time()
print(sum(map(func1, range(val, val + count))))
print(time.time() - t1)  # 0.778

print('bin')
t1 = time.time()
print(sum(map(func2, range(val, val + count))))
print(time.time() - t1)  # 0.100

print('bin + join')
t1 = time.time()
print(''.join(map(bin, range(val, val + count))).count('1'))
print(time.time() - t1)  # 0.053