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May 8, 2026 · 1 min read

What is the GIL in Python and how does it affect multithreading?

The Global Interpreter Lock (GIL) is a mutex that prevents multiple native threads from executing Python bytecode simultaneously. It makes Python threads unsuitable for CPU-bound parallelism.

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📅 May 08, 2026 ⏱ 1 min read

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What is the GIL in Python and how does it affect multithreading?

COVER // WHAT IS THE GIL IN PYTHON AND HOW DOES IT AFFECT MULTITHREADING?

The Global Interpreter Lock (GIL) is a mutex that prevents multiple native threads from executing Python bytecode simultaneously. It makes Python threads unsuitable for CPU-bound parallelism.

concurrency gil intermediate performance python threading

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