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Solving dense generalized eigenproblems on multi-threaded architectures
dc.contributor.author | Aliaga Estellés, José Ignacio | |
dc.contributor.author | Bientinesi, Paolo | |
dc.contributor.author | Davidovic, Davor | |
dc.contributor.author | Di Napoli, Edoardo | |
dc.contributor.author | Igual, Francisco | |
dc.contributor.author | Quintana-Orti, Enrique S. | |
dc.date.accessioned | 2013-07-10T07:38:21Z | |
dc.date.available | 2013-07-10T07:38:21Z | |
dc.date.issued | 2012-07 | |
dc.identifier.uri | http://hdl.handle.net/10234/70160 | |
dc.description.abstract | We compare two approaches to compute a fraction of the spectrum of dense symmetric definite generalized eigenproblems: one is based on the reduction to tridiagonal form, and the other on the Krylov-subspace iteration. Two large-scale applications, arising in molecular dynamics and material science, are employed to investigate the contributions of the application, architecture, and parallelism of the method to the performance of the solvers. The experimental results on a state-of-the-art 8-core platform, equipped with a graphics processing unit (GPU), reveal that in realistic applications, iterative Krylovsubspace methods can be a competitive approach also for the solution of dense problems. | ca_CA |
dc.format.extent | 11 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Elsevier | ca_CA |
dc.relation.isPartOf | Applied Mathematics and Computation, v. 218, issue 22 (July 2012) | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Eigenvalues | ca_CA |
dc.subject | Tridiagonal form | ca_CA |
dc.subject | Krylov-subspace iteration | ca_CA |
dc.subject | Multi-core architectures | ca_CA |
dc.subject | Graphics processors | ca_CA |
dc.title | Solving dense generalized eigenproblems on multi-threaded architectures | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1016/j.amc.2012.05.020 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://www.sciencedirect.com/science/article/pii/S009630031200505X |
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