XPC

eXplicitly Parallel C

A dialect of Parallel C which is mode independent, i.e. efficiently compilable to both SIMD and MIMD architectures. Research implementations only.

"Toward Semantic Self-Consistency in Explicitly Parallel Languages," M. J. Phillip & H. G. Dietz, Proceedings of the 4th International Conference on Supercomputing, Santa Clara, CA, May 1989, v.1, pp.398-407.