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Domain decomposition method (DDM) and a hybrid MPI/OpenMP programming model both provide powerful strategy for performance computing. For large-scale partial differential equations, this paper presents a hybrid MPI/OpenMP model based on overlapping DDM and carries out numerical experiments. Numerical experiment results demonstrate that the proposed method has a better parallel performance.
Heat equation has been widely used in engineering, such as numerical simulation of groundwater flow. The parallelization of heat equation is an important means of accelerating the simulation process. In order to solve the three-dimensional heat equation problem more rapidly, the OpenMP was adopted to parallelize the preconditioned conjugate gradient (PCG) algorithm in this paper. A numerical experiment...
Kriging is one of the important interpolation methods in geostatistics, which has been widely applied in engineering project. In this paper, we present an efficient method for the parallelization of universal Kriging interpolation on shared memory multiprocessors. By using OpenMP directives, we implement a portable parallel algorithm, which enables an incremental approach to add parallelism, without...
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