Brant Bucher, a Python core developer, has worked on the Faster CPython initiative for over six years, notably on a new just-in-time (JIT) compiler. This compiler is designed to optimize Python's execution, transforming frequent bytecode into machine code. With features like the specializing adaptive interpreter from Python 3.11, the JIT compiler is expected to improve performance significantly. The JIT is currently experimental in Python 3.13 and will be available in an expanded form in Python 3.14.
The just-in-time (JIT) compiler for Python builds on the specializing adaptive interpreter introduced in Python 3.11+, generating machine code for frequently executed paths.
Brant Bucher has been integral in enhancing Python's performance, specifically through the Faster CPython initiative and its focus on developing a JIT compiler.
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