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Exploiting the capabilities of modern GPUs for dense matrix computations
dc.contributor.author | Barrachina Mir, Sergio | |
dc.contributor.author | Castillo Catalán, María Isabel | |
dc.contributor.author | Igual, Francisco | |
dc.contributor.author | Mayo, Rafael | |
dc.contributor.author | Quintana-Orti, Enrique S. | |
dc.contributor.author | Quintana-Ortí, Gregorio | |
dc.date.accessioned | 2014-05-13T09:46:35Z | |
dc.date.available | 2014-05-13T09:46:35Z | |
dc.date.issued | 2009 | |
dc.identifier.issn | 1532-0626 | |
dc.identifier.issn | 1532-0634 | |
dc.identifier.uri | http://hdl.handle.net/10234/92119 | |
dc.description.abstract | We present several algorithms to compute the solution of a linear system of equations on a graphics processor (GPU), as well as general techniques to improve their performance, such as padding and hybrid GPU-CPU computation. We compare single and double precision performance of a modern GPU with unified architecture, and show how iterative refinement with mixed precision can be used to regain full accuracy in the solution of linear systems, exploiting the potential of the processor for single precision arithmetic. Experimental results on a GTX280 using CUBLAS 2.0, the implementation of BLAS for NVIDIA® GPUs with unified architecture, illustrate the performance of the different algorithms and techniques proposed. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | John Wiley & Sons | ca_CA |
dc.relation.isPartOf | Concurrency and Computation: Practice and Experience, 21, 18, p. 2457–2477 | ca_CA |
dc.rights | Copyright © 2009 John Wiley & Sons, Ltd. | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | linear systems | ca_CA |
dc.subject | graphics processors (GPUs) | ca_CA |
dc.subject | dense linear algebra | ca_CA |
dc.subject | high performance | ca_CA |
dc.title | Exploiting the capabilities of modern GPUs for dense matrix computations | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1002/cpe.1472 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://onlinelibrary.wiley.com/doi/10.1002/cpe.1472/full | ca_CA |
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