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Numerical simulation for the MHD system in 2D using OpenCL

Michel Massaro 1, 2 Philippe Helluy 1, 2 Vincent Loechner 3
2 TONUS - TOkamaks and NUmerical Simulations
IRMA - Institut de Recherche Mathématique Avancée, Inria Nancy - Grand Est
3 CAMUS - Compilation pour les Architectures MUlti-coeurS
Inria Nancy - Grand Est, ICube - Laboratoire des sciences de l'ingénieur, de l'informatique et de l'imagerie
Abstract : In this work we compute the MHD equations with divergence cleaning on GPU. The method is based on the finite volume approach and Strang dimensional splitting. The simplicity of the approach makes it a good candidate for a GPU implementation with OpenCL. With adequate memory optimization access, we achieve very high speedups, compared to a classical sequential implementation.
Keywords : GPU OpenCL MHD
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Michel Massaro, Philippe Helluy, Vincent Loechner. Numerical simulation for the MHD system in 2D using OpenCL. ESAIM: Proceedings, EDP Sciences, 2014, 45, pp.485-492. ⟨hal-00919751⟩

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