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 only requires installation on the master node, and starts up parallel tasks using rsh.