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Partial wave analysis at BES III harnessing the power of GPUs

Niklaus Berger
Institute of High Energy Physics, 19B Yuquan Lu, Shijingshan, Beijing 100049, China
arXiv:1108.5673v1 [physics.data-an] (29 Aug 2011)

@article{2011arXiv1108.5673B,

   author={Berger}, N.},

   title={"{Partial wave analysis at BES III harnessing the power of GPUs}"},

   journal={ArXiv e-prints},

   archivePrefix={"arXiv"},

   eprint={1108.5673},

   primaryClass={"physics.data-an"},

   keywords={Physics – Data Analysis, Statistics and Probability, Computer Science – Graphics, High Energy Physics – Experiment},

   year={2011},

   month={aug},

   adsurl={http://adsabs.harvard.edu/abs/2011arXiv1108.5673B},

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

}

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Partial wave analysis is a core tool in hadron spectroscopy. With the high statistics data available at facilities such as the Beijing Spectrometer III, this procedure becomes computationally very expensive. We have successfully implemented a framework for performing partial wave analysis on graphics processors. We discuss the implementation, the parallel computing frameworks employed and the performance achieved, with a focus on the recent transition to the OpenCL framework.
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