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QCD simulations with staggered fermions on GPUs

Bonati, Claudio and Cossu, Guido and D'Elia, Massimo and Incardona, Pietro (2012) QCD simulations with staggered fermions on GPUs. COMPUTER PHYSICS COMMUNICATIONS, 183 . p. 853. ISSN 1879-2944

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We report on our implementation of the RHMC algorithm for the simulation of lattice QCD with two staggered flavors on Graphics Processing Units, using the NVIDIA CUDA programming language. The main feature of our code is that the GPU is not used just as an accelerator, but instead the whole Molecular Dynamics trajectory is performed on it. After pointing out the main bottlenecks and how to circumvent them, we discuss the obtained performances. We present some preliminary results regarding OpenCL and multiGPU extensions of our code and discuss future perspectives.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 04 Nov 2013 10:24
Last Modified: 04 Nov 2013 10:24
URI: http://eprints.adm.unipi.it/id/eprint/1555

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