Instrumenting Python GIL with eBPF | Coroot Instrumenting Python GIL with eBPF | Coroot Every Python developer has heard about the GIL (Global Interpreter Lock) This lock simplifies memory management and ensures thread safety, but it also limits the performance of multi-threaded, CPU-bound programs because threads can't run Python code in parallel. Here is a great explanation of why Python requires the GIL by Python's creator, Guido van Rossum: Guido van Rossum: Will Python ever remove the GIL? ...