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Computational Fluid Dynamics Simulations Using Many Graphics Processors

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2 Author(s)
Khajeh-Saeed, A. ; Univ. of Massachusetts, Amherst, MA, USA ; Perot, J.B.

In this scenario, computational fluid dynamics simulations of turbulence are performed with 64 GPUs and an optimized CFD algorithm using communication/computation overlapping. Detailed timings reveal that the GPUs' internal calculations are so efficient that operations related to data exchange between compute nodes now cause a scaling bottleneck on all but the largest problems.

Published in:

Computing in Science & Engineering  (Volume:14 ,  Issue: 3 )