Computational performance of a parallelized high-order spectral and mortar element toolbox

Details Computational performance of a parallelized high-order spectral and mortar element toolbox Computational performance of a parallelized high-order spectral and mortar element toolbox

2007-09-07

arxiv.org/abs/0709.1024v1

Computer Science

Distributed, Parallel, and Cluster Computing

Preprint submitted for publication to Parallel Computing

Scientific paper

In this paper, a comprehensive performance review of a MPI-based high-order spectral and mortar element method C++ toolbox is presented. The focus is put on the performance evaluation of several aspects with a particular emphasis on the parallel efficiency. The performance evaluation is analyzed and compared to predictions given by a heuristic model, the so-called Gamma model. A tailor-made CFD computation benchmark case is introduced and used to carry out this review, stressing the particular interest for commodity clusters. Conclusions are drawn from this extensive series of analyses and modeling leading to specific recommendations concerning such toolbox development and parallel implementation.

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