Source : Free On-Line Dictionary of Computing

P3L
     
        (Superscript 3).  A language with explicit parallelism
        including constructs for {farm}s and {geometric parallelism}.
        P3L currently uses {C++} as a host language.
     
        [S. Pelagatti, "A method for the development and the support
        of massively parallel programs.  PhD Thesis - TD 11/93,
        University of Pisa, Mar 1993].
     
        (1994-07-15)