8441

GPU implementation of a Landau gauge fixing algorithm

Nuno Cardoso, Paulo J. Silva, Orlando Oliveira, Pedro Bicudo
CFTP, Departamento de Fisica, Instituto Superior Tecnico, Universidade Tecnica de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisbon, Portugal
arXiv:1210.8018 [hep-lat] (30 Oct 2012)

@article{2012arXiv1210.8018C,

   author={Cardoso}, N. and {Silva}, P.~J. and {Oliveira}, O. and {Bicudo}, P.},

   title={"{GPU implementation of a Landau gauge fixing algorithm}"},

   journal={ArXiv e-prints},

   archivePrefix={"arXiv"},

   eprint={1210.8018},

   primaryClass={"hep-lat"},

   keywords={High Energy Physics – Lattice},

   year={2012},

   month={oct},

   adsurl={http://adsabs.harvard.edu/abs/2012arXiv1210.8018C},

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

}

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We discuss how the steepest descent method with Fourier acceleration for Laudau gauge fixing in lattice SU(3) simulations can be implemented using CUDA. The scaling of the gauge fixing code was investigated using a Tesla C2070 Fermi architecture, and compared with a parallel CPU gauge fixing code.
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