Iterate through NumPy arrays in Cython, not Python. ... That includes—you guessed it—NumPy arrays. To create a memoryview, you use a similar syntax to the array declarations shown above: ...

Let's change our script a bit and replace the Python list with a NumPy array: import numpy as np list = np.full(1_000_000, 1) tik = time_ns() list = np.cumsum(list) tok = time_ns() print(f ... Maxim ...