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Impact of Asynchronism on GPU Accelerated Parallel Iterative Computations

Sylvain Contassot-Vivier 1 Thomas Jost 1 Stéphane Vialle 1, 2, 3
1 ALGORILLE - Algorithms for the Grid
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We study the impact of asynchronism on parallel iterative algorithms in the particular context of local clusters of workstations including GPUs. The application test is a classical PDE problem of advection-diffusion-reaction in 3D. We propose an asynchronous version of a previously developed PDE solver using GPUs for the inner computations. The algorithm is tested with two kinds of clusters, a homogeneous one and a heterogeneous one (with different CPUs and GPUs).
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Submitted on : Wednesday, April 4, 2012 - 11:53:44 AM
Last modification on : Monday, December 6, 2021 - 6:08:03 PM
Long-term archiving on: : Monday, November 26, 2012 - 12:51:02 PM


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Sylvain Contassot-Vivier, Thomas Jost, Stéphane Vialle. Impact of Asynchronism on GPU Accelerated Parallel Iterative Computations. PARA 2010 - 10th International Conference on Applied Parallel and Scientific Computing, Jun 2010, Reykjavík, Iceland. pp.43-53, ⟨10.1007/978-3-642-28151-8_5⟩. ⟨hal-00685153⟩



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