Along with mpl, the intrinsic parallel languages for maspar's computers. AMPL and mpl are parallel variants of c. Ampl is actually now a gcc port.

["AMPL: Design, Implementation and Evaluation of a Multiprocessing Language", R. Dannenberg, CMU 1981].

["Loglan Implementation of the AMPL Message Passing System", J. Milewski SIGPLAN Notices 19(9):21-29 (Sept 1984)].