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GIL trong Python là gì và ảnh hưởng thế nào đến Threading và Multiprocessing? · ORA·tech

Trung bình Pro#python

GIL trong Python là gì và ảnh hưởng thế nào đến Threading và Multiprocessing?

15 tháng 2, 2026

Tóm tắt nhanh

GIL (Global Interpreter Lock) là cơ chế khóa của CPython đảm bảo chỉ có một thread thực thi Python bytecode tại một thời điểm để bảo vệ quản lý bộ nhớ. Do đó, `threading` bị nghẽn với tác vụ CPU-bound, buộc phải dùng `multiprocessing` để đạt được song song hóa thực sự trên CPU đa nhân.

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