Parallel solution of the obstacle problem in Grid environments

Authors:
M. Chau;R. Couturier;J. Bahi;P. Spiteri
Affiliations:
Advanced Solutions Accelerator, 199 rue de l'Oppidum, 34170 Castlenau le Lez, France;LIFC, EA 4269, BP 527, 90016 Belfort CEDEX, France;LIFC, EA 4269, BP 527, 90016 Belfort CEDEX, France;ENSEEIHT-IRIT, 2 rue Charles Camichel, 31071 Toulouse CEDEX, France
Venue:
International Journal of High Performance Computing Applications
Year:
2011

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Abstract

The present study deals with the solution of the obstacle problem defined in a three-dimensional domain. In order to solve a large-scale obstacle problem, the use of parallelism is necessary. In this work we present a parallel synchronous iterative algorithm to solve this problem and its asynchronous version. For the considered problem, the convergence of parallel synchronous and asynchronous algorithms is analysed in a general framework. Finally, computational experiments on GRID'5000, the French national grid, are presented and analysed. They allow us to compare both synchronous and asynchronous versions with local and distributed clusters.