What is PVM?

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PVM (Parallel Virtual Machine) is a message passing programming system, designed to link separate host machines to form a ``virtual machine'' which is a single, manageable computing resource. The PVM system is portable to a wide variety of architectures including workstations, multiprocessors and supercomputers.

PVM is a Public domain software package developed at Oak Ridge National Laboratory, USA. It is Comprised of two main components - the PVM daemon process (pvmd3) and the library interface routines (libpvm3.a, libfpvm3.a & libgpvm3.a). The distribution installed is the SunFire is pvm version 3.4.3 with architecture set to SUN4SOL2 which means that PVM will performs its communications via sockets.