Exploiting MIC architectures for the simulation of channeling of charged particles in crystals

Enrico Bagli and Vadim Karpusenko
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Enrico Bagli: INFN Sezione di Ferrara, Via Saragat 1 44122 Ferrara, Italy
Vadim Karpusenko: Colfax International, 750 Palomar Ave Sunnyvale, CA 94085, USA

International Journal of Modern Physics C (IJMPC), 2016, vol. 27, issue 02, 1-12

Abstract: Coherent effects of ultra-relativistic particles in crystals is an area of science under development. DYNECHARM + + is a toolkit for the simulation of coherent interactions between high-energy charged particles and complex crystal structures. The particle trajectory in a crystal is computed through numerical integration of the equation of motion. The code was revised and improved in order to exploit parallelization on multi-cores and vectorization of single instructions on multiple data. An Intel Xeon Phi card was adopted for the performance measurements. The computation time was proved to scale linearly as a function of the number of physical and virtual cores. By enabling the auto-vectorization flag of the compiler a three time speedup was obtained. The performances of the card were compared to the Dual Xeon ones.

Keywords: Vectorization; MIC; channeling; simulation (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0129183116500224

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