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Direct N-body Kernels for Multicore Platforms

Nitin Arora, Aashay Shringarpure, Richard W. Vuduc
School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0150
International Conference on Parallel Processing, 2009. ICPP ’09

@conference{arora2009direct,

   title={Direct n-body kernels for multicore platforms},

   author={Arora, N. and Shringarpure, A. and Vuduc, R.W.},

   booktitle={Parallel Processing, 2009. ICPP’09. International Conference on},

   pages={379–387},

   issn={0190-3918},

   year={2009},

   organization={IEEE}

}

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We present an inter-architectural comparison of single-and double-precision direct n-body implementations on modern multicore platforms, including those based on the Intel Nehalem and AMD Barcelona systems, the Sony-Toshiba-IBM PowerXCell/8i processor, and NVIDA Tesla C870 and C1060 GPU systems. We compare our implementations across platforms on a variety of proxy measures, including performance, coding complexity, and energy efficiency.
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