16822

Parallel Level set algorithm with MPI and accelerated on GPU

Zhenlin Wang
University of Michigan, Ann Arbor
arXiv:1612.04040 [physics.comp-ph], (13 Dec 2016)

@article{wang2016parallel,

   title={Parallel Level set algorithm with MPI and accelerated on GPU},

   author={Wang, Zhenlin},

   year={2016},

   month={dec},

   archivePrefix={"arXiv"},

   primaryClass={physics.comp-ph}

}

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Level set method has been used to capture interface motion. Narrow band algorithm is applied to localize the solving of level-set PDE on global domain to a tube around interface. Due to the unknown evolving interface, narrow band algorithm brings load balance problem for parallelizing computing. This work presents a tool for evenly distributing work loads on CPUs. On the other hand, numerically solving level-set PDE only needs simple operations but on large grid points. This work also presents a GPU acceleration for solving level-set PDE using finite difference method.
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