Implementation of the MPI Message Passing Interface standard

 MPICH2 is a high-performance and widely portable implementation of the
 Message Passing Interface (MPI) standard (both MPI-1 and MPI-2). It
 efficiently supports different computation and communication platforms
 including commodity clusters, SMPs, massively parallel systems, and
 high-speed networks.
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 This package includes the program binaries necessary to run MPICH2 programs.