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Large Scale Simulations of the Euler Equations on GPU Clusters

Manfred Liebmann, Craig C. Douglas, Gundolf Haase, Zoltan Horvath
Inst. for Math. & Sci. Comput., Univ. of Graz, Graz, Austria
Ninth International Symposium on Distributed Computing and Applications to Business Engineering and Science (DCABES), 2010

@inproceedings{liebmann2010large,

   title={Large Scale Simulations of the Euler Equations on GPU Clusters},

   author={Liebmann, M. and Douglas, C.C. and Haase, G. and Horv{‘a}th, Z.},

   booktitle={2010 Ninth International Symposium on Distributed Computing and Applications to Business, Engineering and Science},

   pages={50–54},

   year={2010},

   organization={IEEE}

}

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The paper investigates the scalability of a parallel Euler solver, using the Vijayasundaram method, on a GPU cluster with 32 Nvidia Geforce GTX 295 boards. The aim of this research is to enable large scale fluid dynamics simulations with up to one billion elements. We investigate communication protocols for the GPU cluster to compensate for the slow Gigabit Ethernet network between the GPU compute nodes and to maintain overall efficiency. A diesel engine intake-port and a nozzle, meshed in different resolutions, give good real world examples for the scalability tests on the GPU cluster.
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