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As a programmer, one is aspired to solve ever larger, more memory intensive problems, or simply solve problems with greater speed than possible on a sequential computer. A programmer can turn to parallel programming and parallel computers to satisfy these needs. Parallel programming methods on parallel computers gives access to greater memory and Central Processing Unit (CPU) resources which is not available on sequential computers. This paper discusses the benefits of developing 2D and 3D convex hull on mixed mode MPI, OpenMP applications on both single and clustered SMPs. In this experimentation for purpose of optimization of 3D convex hull the authors merged both MPI and OpenMP library which gives another mixed mode programming method to get optimized results.
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