Parallel simulation of the propagation of powdery mildew in a vineyard

Authors:
Agnès Calonnec;Guillaume Latu;Jean-Marc Naulin;Jean Roman;Gaël Tessier
Affiliations:
INRA Bordeaux, UMR INRA-ENITA, Villenave d'Ornon Cedex, France;LSIIT UMR 7005, Université Strasbourg 1, Illkirch Cedex, France;INRA Bordeaux, UMR INRA-ENITA, Villenave d'Ornon Cedex, France;INRIA Futurs and LaBRI UMR 5800, ScAlApplix project, Université Bordeaux 1 and ENSEIRB, Talence Cedex, France;INRIA Futurs and LaBRI UMR 5800, ScAlApplix project, Université Bordeaux 1 and ENSEIRB, Talence Cedex, France
Venue:
Euro-Par'05 Proceedings of the 11th international Euro-Par conference on Parallel Processing
Year:
2005

Citing 2
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Hybrid MPI-Thread implementation on a cluster of SMP nodes of a parallel simulator for the propagation of powdery mildew in a vineyard

HPCC'06 Proceedings of the Second international conference on High Performance Computing and Communications

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Abstract

This paper describes a parallel simulator for the propagation of a parasite in a vineyard. The model considers the structure, the growth and the susceptibility of the plant which play a major role in the development of the fungus and the spread of epidemic. Two spatial scales are distinguished for the dispersal of the parasite. We use both a realistic discrete model for the local dispersal, and a stochastic model for the long-range dispersal that averages the displacement of spores. An algorithmic description of the parallel simulator is given and real life numerical experiments on IBM SP3 are provided, that use up to 128 processors.