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Exploiting Parallelism on Shared Memory in the QED Particle-in-Cell Code PICADOR with Greedy Load Balancing [article]

Iosif Meyerov, Sergei Bastrakov, Aleksei Bashinov, Evgeny Efimenko, Alexander Panov, Elena Panova, Igor Surmin, Valentin Volokitin, Arkady Gonoskov
2019 arXiv   pre-print
We propose and evaluate a load balancing scheme for shared memory systems, which allows subdividing individual cells of the computational domain into work portions with subsequent dynamic distribution  ...  Computational experiments on 1D, 2D, and 3D QED simulations show that the proposed scheme outperforms the previously developed standard and custom schemes in the PICADOR code by 2.1 to 10 times when employing  ...  This is a natural choice for PIC codes using cell-based particle storage, it also simplifies parallel processing on shared memory.  ... 
arXiv:1905.08217v1 fatcat:lk2hhvzbgjay5ik4orbqafgxwu