Abstract
The fast Poisson solvers based on FFT computations are among the fastest techniques to solve Poisson problems on uniform grids. In this paper, we present a parallel distributed implementation of a 3D fast Poisson solver in the context of the atmospheric simulation code Meso-NH [3]. This parallel implementation consists in implementing data movement between each computational step so that no elementary computational routine implements communication. Experimental results are given on a 128 node Cray T3E to illustrate the advantages of this method.KeywordsParallel ImplementationComputational StepPoisson ProblemVertical SliceTridiagonal SystemThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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