Mastering Python Concurrency: Threading, AsyncIO, and Multiprocessing in 2025
·1630 words·8 mins
As we step into 2025, the landscape of Python performance has matured significantly. While the Global Interpreter Lock (GIL) has historically been the bottleneck that defined Python’s concurrency story, recent advancements—including the stabilization of the “Free-Threading” (No-GIL) build in Python 3.14 and 3.15—have shifted the paradigm.