Introduction


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Mpich is a freely available implementation of the MPI standard that runs on a wide variety of systems. The details of the mpich implementation are described in [8]; related papers include [6] and [7]. This document assumes that mpich has already been installed; if not, you should first read Installation Guide to mpich, a Portable Implementation of MPI [5]. For concreteness, this document assumes that the mpich implementation is installed into /usr/local/mpich and that you have added /usr/local/mpich/bin to your path. If mpich is installed somewhere else, you should make the appropriate changes. If mpich has been built for several different architectures and/or communiation mechanisms (called devices in mpich), you must choose the directories appropriately; check with whoever installed mpich at your site.



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