rand_matrices[0] (10 x 10)
10000 loops, best of 3: 112 µs per loop
100000 loops, best of 3: 3.67 µs per loop
100000 loops, best of 3: 3.21 µs per loop
rand_matrices[1] (50 x 50)
1000 loops, best of 3: 732 µs per loop
10000 loops, best of 3: 64.5 µs per loop
10000 loops, best of 3: 61.5 µs per loop
rand_matrices[2] (100 x 100)
100 loops, best of 3: 2.46 ms per loop
1000 loops, best of 3: 442 µs per loop
1000 loops, best of 3: 434 µs per loop
rand_matrices[3] (1000 x 1000)
1 loops, best of 3: 2.02 s per loop
1 loops, best of 3: 426 ms per loop
1 loops, best of 3: 422 ms per loop