vectorization.py

import numpy as np
import time

a = np.array([1,2,3,4])
print(a)

a = np.random.rand(1000000)
b = np.random.rand(1000000)
tic = time.time()
c = np.dot(a,b)
toc = time.time()

print(c)
print("Vectorized: " + str(1000*(toc-tic)) + "ms")

c = 0
tic - time.time()
for i in range(1000000):
    c += a[i]*b[i]
toc = time.time()
print(c)
print("for looped:" + str(1000*(toc-tic)) + "ms")