MPI for Python

Lisandro Daniel Dalcín, Rodrigo Rafael Paz, Mario Alberto Storti


MPI for Python provides bindings of the Message Passing Interface (MPI) standard for the Python programming language and allows any Python program to exploit multiple processors. This package is constructed on top of the MPI­1 specification and defines an ob ject oriented interface which closely follows MPI­2 C++ bin ings. It supports point-to-point (sends, receives) and collective (broadcasts, scatters, gathers) communications of general Python ob jects. Efficiency has been tested in a Beowulf class cluster and satisfying results were obtained. MPI for Python is open source and available for download on the web ( [Journal of Parallel and Distributed Computing, vol 65/9, pp. 1108-1115 (2005)]

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