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Lattice QCD simulations using the OpenACC platform

Pushan Majumdar
Department of Theoretical Physics, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C. Mullick Road, Jadavpur, Kolkata 700032
Journal of Physics: Conference Series, Volume 759, Number 1, 2016

@article{1742-6596-759-1-012070,

   author={Pushan Majumdar},

   title={Lattice QCD simulations using the OpenACC platform},

   journal={Journal of Physics: Conference Series},

   volume={759},

   number={1},

   pages={012070},

   url={http://stacks.iop.org/1742-6596/759/i=1/a=012070},

   year={2016}

}

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In this article we will explore the OpenACC platform for programming Graphics Processing Units (GPUs). The OpenACC platform offers a directive based programming model for GPUs which avoids the detailed data flow control and memory management necessary in a CUDA programming environment. In the OpenACC model, programs can be written in high level languages with OpenMP like directives. We present some examples of QCD simulation codes using OpenACC and discuss their performance on the Fermi and Kepler GPUs.
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