A beginners guide to using Python for performance computing A comparison of weave with NumPy, Pyrex, Psyco, Fortran (77 and 90) and C++ for solving Laplace's equation. This article was originally written by Prabhu Ramachandran. laplace.py is the complete Python code discussed below. The source tarball ( perfpy_2.tgz ) contains in addition the Fortran code, the pure C++ code, the Pyrex sources and