Geodesic
Multi-GPU numerical simulation of electromagnetic waves
Philippe Helluy1 ; Thomas Strub2
1 Inria Tonus and IRMA Université de Strasbourg;
2 Axessim, rue J. Sapidus Illkirch France;
ESAIM. Proceedings, Tome 45 (2014), pp. 199-208.

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In this paper we present three-dimensional numerical simulations of electromagnetic waves. The Maxwell equations are solved by the Discontinuous Galerkin (DG) method. For achieving high performance, we exploit two levels of parallelism. The coarse grain parallelism is managed through MPI and a classical domain decomposition. The fine grain parallelism is managed with OpenCL in order to optimize the local computations on multicore processors or GPU’s. We present several numerical experiments and performance comparisons.
DOI : 10.1051/proc/201445020

Philippe Helluy 1 ; Thomas Strub 2

1 Inria Tonus and IRMA Université de Strasbourg;
2 Axessim, rue J. Sapidus Illkirch France; 
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Philippe Helluy; Thomas Strub. Multi-GPU numerical simulation of electromagnetic waves. ESAIM. Proceedings, Tome 45 (2014), pp. 199-208. doi : 10.1051/proc/201445020. http://geodesic.mathdoc.fr/articles/10.1051/proc/201445020/

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