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Paper detail

Removing the Barrier to Scalability in Parallel FMM

The Fast Multipole Method (FMM) is well known to possess a bottleneck arising from decreasing workload on higher levels of the FMM tree [Greengard and Gropp, Comp. Math. Appl., 20(7), 1990]. We show that this potential bottleneck can be eliminated by overlapping multipole and local expansion computations with direct kernel evaluations on the finest level grid.

preprint2010arXivOpen access
Matthew G. Knepley
Computational Engineering, Finance, and Sciencephysics.comp-phNumerical Analysis
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Matthew G. Knepley

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