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OpenCL/OpenGL aproach for studying active Brownian motion

Michal A. Zabicki
M. Smoluchowski Institute of Physics and M. Kac Complex Systems Research Center, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland
arXiv:1104.2499v1 [physics.comp-ph] (13 Apr 2011)

@article{2011arXiv1104.2499Z,

   author={.Z}abicki}, M.~A.},

   title={“{OpenCL/OpenGL aproach for studying active Brownian motion}”},

   journal={ArXiv e-prints},

   archivePrefix={“arXiv”},

   eprint={1104.2499},

   primaryClass={“physics.comp-ph”},

   keywords={Physics – Computational Physics, Computer Science – Performance, Physics – Biological Physics},

   year={2011},

   month={apr},

   adsurl={http://adsabs.harvard.edu/abs/2011arXiv1104.2499Z},

   adsnote={Provided by the SAO/NASA Astrophysics Data System}

}

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This work presents a methodology for studying active Brownian dynamics on ratchet potentials using interoperating OpenCL and OpenGL frameworks. Programing details along with optimization issues are discussed, followed by a comparison of performance on different devices. Time of visualization using OpenGL sharing buffer with OpenCL has been tested against another technique which, while using OpenGL, does not share memory buffer with OpenCL. Both methods has been compared with visualizing data to external software – gnuplot. OpenCL/OpenGL interoperating method has been found the most appropriate to visualize large set of data for which calculation itself is not very long.
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