mpich 1.2.5.3-1.1 (amd64 binary) in ubuntu hoary

MPI parallel computing system implementation
 MPICH is a robust and flexible implementation of the MPI (Message
 Passing Interface). MPI is often used with parallel or distributed
 computing projects. MPICH is a multi-platform, configurable
 system (development, execution, libraries, etc) for MPI. It can
 achieve parallelism using networked machines or using multitasking on a
 single machine.
 .
 This version is compiled with ch_p4 support, which is a
 version of MPICH which only requires to be installed on the master
 node, and starts up the parallel task using rsh.