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International Journal of High Performance Computing Applications
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Comparing OpenMP, HPF, AND MPI Programming: A Study Case

Jean-Yves Berthou

Electricité de France, Research and Development Division, Modeling and Information Technologies Departement, France

Eric Fayolle

Electricité de France, Research and Development Division, Modeling and Information Technologies Departement, France

This paper presents a comparison of three programming models—OpenMP, HPF, and MPI—applied to a diphasic compressible fluid mechanics code. The parallelization analysis is conducted, and the authors also present the experimental results obtained on various platforms: a Compaq Proliant 6000 (4 processors), a Cray T3E-750 (300 processors), an HP Class V (16 processors), a SGI Origin 2000 (32 processors), a cluster of PCs, and a COMPAQ SC 232 (232 processors). These experimental results will be discussed according to the following criteria: efficiency, scalability, maintainability, developing costs, and portability. As a conclusion, the authors present the parallelization strategy recommended for codes comparable to ECOSS.

International Journal of High Performance Computing Applications, Vol. 15, No. 3, 297-309 (2001)
DOI: 10.1177/109434200101500307
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