Users' Guide to mpich, a Portable Implementation of MPI

MPI (Message-Passing Interface) is a standard specification for message-passing libraries. mpich is a portable implementation of the full MPI specification for a wide variety of parallel computing environments. mpich contains, along with the MPI library itself, a programming environment for working with MPI programs. The programming environment includes a portable startup mechanism, several profiling libraries for studying the performance of MPI programs, and an X interface to all of the tools.