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  • Particle-in-cell code for GPU systems [Elektronski vir]
    Vasileska, Ivona ; Bogdanović, Leon ; Kos, Leon, 1966-
    Particle simulation in the field of nuclear fusion is a well-established technique which has spawned dozens of codes around the world through years (e.g. BIT1, VPIC, VSIM, OSIRIS, REMP, EPOCH, ... SMILEI, FBPIC, GENE, WARP, PEPC) with varying degrees of specialization for different physics areas and accessibility. Particle-in-cell (PIC) codes simulate numerous plasma phenomena on HPC systems. Today, flagship supercomputers feature GPUs per compute node to achieve unprecedented computing power at high power efficiency. PIC codes require new algorithm design and implementation for exploiting such accelerated platforms. In this work, we design and optimize simple PIC code called SIMPIC, to run on a general GPU compute node. First we provide a fully GPU SIMPIC code and show that the run time is 50 % reduced than in CPU. This code in future will be used as a test example for modifying the other more complex PIC codes from CPU to GPU
    Vir: MIPRO 2021 [Elektronski vir] : 44th International Convention, September 27 - October 1, 2021, Opatija, Croatia : proceedings (Str. 317-320)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 90622723

    Povezava(-e):

    http://docs.mipro-proceedings.com/proceedings/mipro_2021_proceedings.pdf
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9596959
    DOI

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