rand_matrices[0] (10 x 10)
1000 loops, best of 3: 242 µs per loop
100000 loops, best of 3: 6.75 µs per loop
100000 loops, best of 3: 5.24 µs per loop
rand_matrices[1] (50 x 50)
1000 loops, best of 3: 1.5 ms per loop
10000 loops, best of 3: 83.4 µs per loop
10000 loops, best of 3: 80.2 µs per loop
rand_matrices[2] (100 x 100)
100 loops, best of 3: 4.38 ms per loop
1000 loops, best of 3: 578 µs per loop
1000 loops, best of 3: 578 µs per loop
rand_matrices[3] (1000 x 1000)
1 loops, best of 3: 1.77 s per loop
1 loops, best of 3: 556 ms per loop
1 loops, best of 3: 550 ms per loop