Source : Free On-Line Dictionary of Computing

XPC
     
        eXplicitly Parallel C.
     
        A dialect of {Parallel C} which is efficiently compilable to
        both {SIMD} and {MIMD} architectures.  Only research
        implementations exist.
     
        ["Toward Semantic Self-Consistency in Explicitly Parallel
        Languages," M.J. Phillip & H.G. Dietz, Proc 4th Intl Conf on
        Supercomputing, Santa Clara, CA, May 1989, v.1, pp.398-407].
     
        (1994-12-01)