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Architecture-independent scientific programming in data parallel C: three case studies

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6 Author(s)
Hatcher, P.J. ; Dept. of Comput. Sci., Univ. of New Hampshire, Durham, NH, USA ; Quinn, M.J. ; Anderson, R.J. ; Lapadula, A.J.
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Dataparallel C is a SIMD programming language suitable for solving many problems arising in science and engineering. We have developed compilers that translate Dataparallel C programs into C code that can be compiled and executed on multicomputers and multiprocessors. We describe the Dataparallel C programming language, the implementation of three scientific programs in Dataparallel C, and the performance of the compiled programs on three MIMD computers: the Intel iPSC/2, the nCUBE 3200, and the Sequent Symmetry S81. These case studies-an ocean circulation model, the "shallow-water" atmospheric model, and the Sharks World model-illustrate that nontrivial SIMD programs can achieve good speedup on MIMD computers and still be portable.

Published in:

Supercomputing, 1991. Supercomputing '91. Proceedings of the 1991 ACM/IEEE Conference on

Date of Conference:

18-22 Nov. 1991