benchmark_matrix_mult.py

import time
from numpy import *

def dottest(type, dim):
    t = time.time()
    a = random.random((dim, dim)).astype(type)
    b = random.random((dim, dim)).astype(type)
    c = dot(a, b)
    ct = time.time() - t
    print "++++++++++++++++++++++++"
    print "Data typ:", type
    print "Time used:", ct

dottest(float32, 2000)
dottest(float64, 2000)