OpenMP Implementation of Parallel Linear Solver for Reservoir Simulation

Authors:
Changjun Hu;Jilin Zhang;Jue Wang;Jianjiang Li
Affiliations:
School of Information Engineering, University of Science and Technology Beijing, Beijing, P.R. China;School of Information Engineering, University of Science and Technology Beijing, Beijing, P.R. China;School of Information Engineering, University of Science and Technology Beijing, Beijing, P.R. China;School of Information Engineering, University of Science and Technology Beijing, Beijing, P.R. China
Venue:
IWOMP '07 Proceedings of the 3rd international workshop on OpenMP: A Practical Programming Model for the Multi-Core Era
Year:
2007

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Abstract

In this paper, we discuss an OpenMP implementation of an evolutionary LSOR method, the MBLSOR method, for solution of system of linear equations related to reservoir simulation on SMPs. MBLSOR method not only can improve the data locality by spatial computational domain decomposition technique, but it also can parallel the sub blocks with no data dependence. We compare the performance of different parallel LSOR methods in terms of efficiency and data locality. Numerical results on SMPs indicate that MBLSOR algorithm is more efficient.