The article delves into the concept of “unsafe Python” to optimize code with a real-life example of image resizing using Numpy and OpenCV in Pygame. It reveals a surprising 100x speed difference between two seemingly identical arrays due to different memory layouts. The author explains the significance of array strides in Python and showcases how modifying the data layout can drastically improve performance, especially for image processing tasks like resizing. The article cleverly navigates through complex memory structures, offering insights into the inner workings of numpy arrays and practical solutions to enhance code efficiency. Safe to say, “unsafe Python” can indeed lead to impressive speed gains.
https://yosefk.com/blog/a-100x-speedup-with-unsafe-python.html