Welcome to Pyccel’s documentation!

Pyccel stands for Python extension language using accelerators.

The aim of Pyccel is to provide a simple way to generate automatically, parallel low level code. The main uses would be:

  1. Convert a Python code (or project) into a Fortran
  2. Accelerate Python functions by converting them to Fortran then calling f2py.

Pyccel can be viewed as:

  • Python-to-Fortran converter
  • a compiler for a Domain Specific Language with Python syntax

Pyccel comes with a selection of extensions allowing you to convert calls to some specific python packages to Fortran. The following packages will be covered (partially):

  • numpy
  • scipy
  • mpi4py
  • h5py


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