MPICH2 is a high-performance and widely portable implementation of the
MPI standard. This release has all MPI-2.1 functions and features
required by the standard with the exeption of support for the
"external32" portable I/O format.
The mpich2 binaries in this RPM packages were configured to use the default
process manager MPD using the default device ch3 . The ch3 device
was configured with support for the nemesis channel that allows for
shared-memory and TCP/IP sockets based communication.
This build also include support for using /usr/sbin/alternatives
and/or the module environment to select which MPI implementation to use
when multiple implementations are installed.
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