Python 3.13 gets a JIT

Python 3.13 gets a JIT

"In late December 2023 (Christmas Day to be precise), CPython core developer Brandt Bucher submitted a little pull-request to the Python 3.13 branch adding a JIT compiler."

Anthony Shaw does a deep dive into this new experimental JIT, explaining how it differs from other JITs. It's an implementation of a copy-and-patch JIT, an idea that only emerged in 2021. This makes it architecturally much simpler than a traditional JIT, allowing it to compile faster and …

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