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A Load Balance Strategy for Hybrid Particle-Mesh Methods

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arxiv 1811.05152 v1 pith:GIN6FFXX submitted 2018-11-13 physics.comp-ph

P. Ortwein , T. Binder , S. Copplestone , A. Mirza , P. Nizenkov , M. Pfeiffer , C.-D. Munz , S. Fasoulas This is my paper · ORCID
classification physics.comp-ph
keywords loadstrategybalancingcomparedcomputationalhybridmethodsparticle-mesh
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We present a load balancing strategy for hybrid particle-mesh methods that is based on domain decomposition and element-local time measurement. This new strategy is compared to our previous approach, which assumes a constant weighting factor for each particle to determine the computational load. The timer-based load balancing is applied to a plasma expansion simulation. The performance of the new algorithm is compared to results presented in the past and a significant improvement in terms of computational efficiency is shown.

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