Multi-threaded Geant4 on the Xeon-Phi with Complex High-Energy Physics Geometry

Steven Farrell, Andrea Dotti, Makoto Asai, Paolo Calafiura, Romain Monnard
LBL Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)
arXiv:1605.08371 [physics.comp-ph], (26 May 2016)


   title={Multi-threaded Geant4 on the Xeon-Phi with Complex High-Energy Physics Geometry},

   author={Farrell, Steven and Dotti, Andrea and Asai, Makoto and Calafiura, Paolo and Monnard, Romain},






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To study the performance of multi-threaded Geant4 for high-energy physics experiments, an application has been developed which generalizes and extends previous work. A highly-complex detector geometry is used for benchmarking on an Intel Xeon Phi coprocessor. In addition, an implementation of parallel I/O based on Intel SCIF and ROOT technologies is incorporated and studied.
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