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  • EPSN (Middleware) [in progress]
    Description: EPSN : a Computational Steering Environment for Distributed Numerical Simulations. Our purpose is to analyze, to design and to develop a software environment for steering distributed numerical simulations by the visualization. This software environment should combine the facilities of virtual reality with the capabilities of existing high performance simulations. The simple integration of an existing simulation should allow the end user to visualize the evolutions and interact with the numerical scheme considering the intermediate results. In this context, the use of GRID5000 allows us to perform large-scale experiments between a computational cluster (GRID5000 sites) and a graphic cluster (a Bordeaux satellite cluster).
    Results: We have validated our steering approach with a particle-based simulation in astrophysics called Gadget2. The simulation has been run on 60 computational nodes and the visualization on 4 graphics nodes. This experiment has demonstrated the interest of parallel visualization techniques to reduce the overhead for large-scale simulations.
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      last update: 2007-02-21 17:00:44

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