Toward a Computational Steering Environment for Legacy Coupled Simulations

Nicolas Richart 1, 2 Aurélien Esnard 1, 2 Olivier Coulaud 1, 2
2 SCALAPPLIX - Algorithms and high performance computing for grand challenge applications
INRIA Futurs, Université Bordeaux Segalen - Bordeaux 2, Université Sciences et Technologies - Bordeaux 1, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : In this paper, we present an abstract model to steer legacy coupled simulations that follow the Multiple-SPMD paradigm or the client/server paradigm. This model extends our previous work for the steering of classical SPMD simulations. It describes the application in terms of execution flow, complex distributed data objects and user interactions. Thanks to this abstraction, we define a coordination algorithm that allows us to efficiently interact with the simulation and to overcome the time-coherence problem raised by coupled simulations.
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Nicolas Richart, Aurélien Esnard, Olivier Coulaud. Toward a Computational Steering Environment for Legacy Coupled Simulations. 6th International Symposium on Parallel and Distributed Computing (ISPDC), Jul 2007, Austria. pp.43, ⟨10.1109/ISPDC.2007.55⟩. ⟨hal-00301468⟩

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