Parallel Programming Guide for HP-UX Systems

MPI
Chapter 216
HP MPI 2.0 is supported on workstations, midrange servers, and high-end servers. HP MPI
2.0 for HP-UX is supported on HP-UX 11i v1 or later operating systems on PA-RISC 2.0; and
HP-UX 11i v2 or later operating systems on Itanium-based platforms.
HP MPI 2.0 for Linux is supported on Red Hat Linux V7.2 operating systems on Intel IA-32
and Itanium2 platforms.
HP MPI 2.0 for Tru64UNIX is supported on AlphaServers.