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compiling Python code using LLVM

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A Just-In-Time Compiler for Numerical Functions in Python

Numba is an open source, NumPy-aware optimizing compiler for Python sponsored by Anaconda, Inc. It uses the LLVM compiler project to generate machine code from Python syntax.

Numba can compile a large subset of numerically-focused Python, including many NumPy functions. Additionally, Numba has support for automatic parallelization of loops, generation of GPU-accelerated code, and creation of ufuncs and C callbacks.

For more information about Numba, see the Numba homepage:


  • llvmlite

  • NumPy (version 1.9 or higher)

  • funcsigs (for Python 2)


The easiest way to install Numba and get updates is by using the Anaconda Distribution:

$ conda install numba

For more options, see the Installation Guide:


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