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ARTÍCULO
TITULO

Hybrid CPU + Xeon Phi implementation of the Particle-in-Cell method for plasma simulation

Iosif B. Meyerov    
Sergey I. Bastrakov    
Igor A. Surmin    
Alexey V. Bashinov    
Evgeny S. Efimenko    
Artem V. Korzhimanov    
Alexander A. Muraviev    
Arkady A. Gonoskov    

Resumen

This paper presents experimental results of Particle-in-Cell plasma simulation on a hybrid system with CPUs and Intel Xeon Phi coprocessors. We consider simulation of two relevant laser-driven particle acceleration regimes using the Particle-in-Cell code PICADOR. On a node of a cluster with 2 CPUs and 2 Xeon Phi coprocessors the hybrid CPU + Xeon Phi configuration allows to fully utilize the computational resources of the node. It outperforms both CPU-only and Xeon Phi-only configurations with the speedups between 1.36 x and 1.68 x.

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