rand_matrices[0] (10 x 10)
10000 loops, best of 3: 188 µs per loop
100000 loops, best of 3: 5.36 µs per loop
100000 loops, best of 3: 3.91 µs per loop
rand_matrices[1] (50 x 50)
1000 loops, best of 3: 1.16 ms per loop
10000 loops, best of 3: 66.6 µs per loop
10000 loops, best of 3: 63.6 µs per loop
rand_matrices[2] (100 x 100)
100 loops, best of 3: 3.04 ms per loop
1000 loops, best of 3: 440 µs per loop
1000 loops, best of 3: 442 µs per loop
rand_matrices[3] (1000 x 1000)
1 loops, best of 3: 1.39 s per loop
1 loops, best of 3: 396 ms per loop
1 loops, best of 3: 391 ms per loop