import time

import numpy as np

num_loops = 50
img_1 = np.ones((1000, 1000), np.int64) * 5
img_2 = np.ones((1000, 1000), np.int64) * 10
img_3 = np.ones((1000, 1000), np.int64) * 15

def add_arrays(img_1, img_2, img_3):
    return np.square(img_1 + img_2 + img_3)

start = time.time()

for i in range(num_loops):
    result = add_arrays(img_1, img_2, img_3)

end = time.time()
run_time = end - start

print("Average time = {}".format(run_time / num_loops))