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Gauge fixing in lattice QCD with multi-GPUs

Mario Schrock, Hannes Vogt
Institut fur Physik, FB Theoretische Physik, Universitat Graz, A-8010 Graz, Austria
arXiv:1305.3440 [hep-lat], (15 May 2013)

@article{2013arXiv1305.3440S,

   author={Schr{"o}ck}, M. and {Vogt}, H.},

   title={"{Gauge fixing in lattice QCD with multi-GPUs}"},

   journal={ArXiv e-prints},

   archivePrefix={"arXiv"},

   eprint={1305.3440},

   primaryClass={"hep-lat"},

   keywords={High Energy Physics – Lattice},

   year={2013},

   month={may},

   adsurl={http://adsabs.harvard.edu/abs/2013arXiv1305.3440S},

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

}

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Here we present the cuLGT code for gauge fixing in lattice gauge field theories with graphic processing units (GPUs). Implementations for SU(3) Coulomb, Landau and maximally Abelian gauge fixing are available and the overrelaxation, stochastic relaxation and simulated annealing algorithms are supported. Performance results for single and multi-GPUs are given.
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