OpenCV Python image processing examples used for teaching within the undergraduate Computer Science programme at Durham University (UK) by Prof. Toby Breckon. All tested with OpenCV 3.x / 4.x and ...

Three files are quick numeric examples of multiprocessing -- these were a proof of concept as I learned how to use the multiprocessing library 1. two with the direct creation of processes a.

The problem I've noticed is that if I append the file with each of the 100k runs (one at a time), it can happen that two threads try to save to the file at the same time and some row(s) end up empty.

For example, you can read different parts of a CSV file in parallel or write to multiple files at once. However, be mindful of the Global Interpreter Lock (GIL) in Python, which can limit the ...