cuIBM -- A GPU-accelerated Immersed Boundary Method

Details cuIBM -- A GPU-accelerated Immersed Boundary Method cuIBM -- A GPU-accelerated Immersed Boundary Method

2011-09-16

arxiv.org/abs/1109.3524v1

Computer Science

Computational Engineering, Finance, and Science

ParCFD 2011, C&F special issue

Scientific paper

A projection-based immersed boundary method is dominated by sparse linear algebra routines. Using the open-source Cusp library, we observe a speedup (with respect to a single CPU core) which reflects the constraints of a bandwidth-dominated problem on the GPU. Nevertheless, GPUs offer the capacity to solve large problems on commodity hardware. This work includes validation and a convergence study of the GPU-accelerated IBM, and various optimizations.

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