Improving MPI support for applications on hierarchically distributed resources

Stephane Lanteri 1 Raúl López Lozano 2 Christian Pérez 2
1 NACHOS - Numerical modeling and high performance computing for evolution problems in complex domains and heterogeneous media
CRISAM - Inria Sophia Antipolis - Méditerranée , JAD - Laboratoire Jean Alexandre Dieudonné : UMR6621
2 PARIS - Programming distributed parallel systems for large scale numerical simulation
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, ENS Cachan - École normale supérieure - Cachan, Inria Rennes – Bretagne Atlantique
Abstract : Programming non-embarrassingly parallel scientific computing applications such as those involving the numerical resolution of system of PDEs using mesh based methods for grid computing environments is a complex and important issue. This work contributes to this goal by proposing some MPI extensions to let programmers deal with the hierarchical nature of the grid infrastructure thanks to a tree representation of the processes as well as the corresponding extension of collective and point-to-point operations. It leads in particular to support N M communications with transparent data redistribution.
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Rapport
[Technical Report] RT-0336, INRIA. 2007, pp.10
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Stephane Lanteri, Raúl López Lozano, Christian Pérez. Improving MPI support for applications on hierarchically distributed resources. [Technical Report] RT-0336, INRIA. 2007, pp.10. 〈inria-00150543v2〉

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