MPICH2
From Vd
General information
MPICH2 is an all-new implementation of MPI from the group at Argonne National Laboratory. It shares many goals with the original MPICH but no actual code. It is a portable, high-performance implementation of the entire MPI-2 standard. This release has all MPI-2 functions and features required by the standard with the exception of support for the "external32" portable I/O format.
Home page
http://www.mcs.anl.gov/research/projects/mpich2/
User guides
http://www.mcs.anl.gov/research/projects/mpich2/documentation/index.php?s=docs