Tag: multiprocessing

2 articles

Fix: Python threading Not Running in Parallel (GIL Limitations)

Mar 14, 2026

How to fix Python threading not achieving parallelism due to the GIL — when to use multiprocessing, concurrent.futures, or asyncio instead, and what the GIL actually blocks.

python threading performance multiprocessing debugging

Fix: Python multiprocessing Not Working (freeze_support, Pickle Errors, Zombie Processes)

Mar 14, 2026

How to fix Python multiprocessing not working — freeze_support error on Windows, pickle errors with lambdas, zombie processes, and Pool hanging indefinitely.

python multiprocessing debugging performance