How can I troubleshoot parallelism issues in Python?

I'm having trouble with parallelism in my Python code. It seems to be running slower than expected.

It sounds like you might be facing issues with how you're managing threads or processes. Can you share more details about your implementation?

I'm using the multiprocessing module, but it doesn't seem to utilize all CPU cores.

Make sure you're using the Pool class correctly and that you're not running into issues with the Global Interpreter Lock (GIL). Have you checked your code for any blocking calls?

Yes, I have some I/O operations that might be blocking. Should I consider using threading instead?

If your tasks are I/O-bound, using threading can be beneficial. However, for CPU-bound tasks, multiprocessing is usually better. It depends on your specific use case.