Lattice QCD as a video game

G. Egri, Z. Fodor, C. Hoelbling, S. Katz, D. Nogradi, K. Szabo
Institute for Theoretical Physics, Eotvos University, Budapest, Hungary
Comp. Phys. Commun., Vol. 177, No. 8. (15 October 2007), pp. 631-639, arXiv:hep-lat/0611022 (21 Nov 2006)


   title={Lattice QCD as a video game},

   author={Egri, G.I. and Fodor, Z. and Hoelbling, C. and Katz, S.D. and Nogradi, D. and Szabo, K.K.},

   journal={Computer Physics Communications},








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The speed, bandwidth and cost characteristics of today’s PC graphics cards make them an attractive target as general purpose computational platforms. High performance can be achieved also for lattice simulations but the actual implementation can be cumbersome. This paper outlines the architecture and programming model of modern graphics cards for the lattice practitioner with the goal of exploiting these chips for Monte Carlo simulations. Sample code is also given.
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