sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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Scalable Arbitrary-Order Pseudo-Spectral Electromagnetic Solver

SESSION: Poster Reception

EVENT TYPE: Posters

TIME: 5:15PM - 7:00PM

AUTHOR(S):Jean-Luc Vay, Leroy Anthony Drummond, Alice Koniges, Brendan Godfrey, Irving Haber

ROOM:New Orleans Theater Lobby

ABSTRACT:

Numerical simulations have been critical in the recent rapid developments of advanced accelerator concepts. Among the various available numerical techniques, the Particle-In-Cell (PIC) approach is the method of choice for self-consistent simulations from first principles. While spectral methods have been popular in the early PIC codes, the finite-difference time-domain method has become dominant. Recently, a novel parallelization strategy was proposed that takes advantage of the local nature of Maxwell equations that has the potential to combine spectral accuracy with finite-difference favorable parallel scaling. Due to its compute-intensive nature combined with adjustable accuracy and locality, the new solver promises to be especially well suited for emerging exascale systems. The new solver was recently extended to enable user-programmability of the spatial and temporal order of accuracy at runtime, enabling a level of scalability and flexibility that is unprecedented for such codes.

Chair/Author Details:

Jean-Luc Vay - Lawrence Berkeley National Laboratory

Leroy Anthony Drummond - Lawrence Berkeley National Laboratory

Alice Koniges - Lawrence Berkeley National Laboratory

Brendan Godfrey - University of Maryland and Lawrence Berkeley National Laboratory

Irving Haber - University of Maryland

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