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Computing subdominant unstable modes of turbulent plasma with a parallel Jacobi-Davidson eigensolver

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Computing subdominant unstable modes of turbulent plasma with a parallel Jacobi-Davidson eigensolver

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dc.contributor.author Romero Alcalde, Eloy es_ES
dc.contributor.author Román Moltó, José Enrique es_ES
dc.date.accessioned 2013-12-04T08:57:49Z
dc.date.issued 2011-12-10
dc.identifier.issn 1532-0626
dc.identifier.uri http://hdl.handle.net/10251/34280
dc.description.abstract In the numerical solution of large-scale eigenvalue problems, Davidson-type methods are an increasingly popular alternative to Krylov eigensolvers. The main motivation is to avoid the expensive factorizations that are often needed by Krylov solvers when the problem is generalized or interior eigenvalues are desired. In Davidson-type methods, the factorization is replaced by iterative linear solvers that can be accelerated by a smart preconditioner. Jacobi-Davidson is one of the most effective variants. However, parallel implementations of this method are not widely available, particularly for non-symmetric problems. We present a parallel implementation that has been included in SLEPc, the Scalable Library for Eigenvalue Problem Computations, and test it in the context of a highly scalable plasma turbulence simulation code. We analyze its parallel efficiency and compare it with a Krylov-Schur eigensolver. © 2011 John Wiley and Sons, Ltd.. es_ES
dc.description.sponsorship The authors are indebted to Florian Merz for providing us with the test cases and for his useful suggestions. The authors acknowledge the computer resources provided by the Barcelona Supercomputing Center (BSC). This work was supported by the Spanish Ministerio de Ciencia e Innovacion under project TIN2009-07519. en_EN
dc.format.extent 13 es_ES
dc.language Inglés es_ES
dc.publisher Wiley-Blackwell es_ES
dc.relation.ispartof Concurrency and Computation: Practice and Experience es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Eigenvalue computations es_ES
dc.subject Jacobi-Davidson es_ES
dc.subject Message-passing parallelization es_ES
dc.subject Plasma physics simulation es_ES
dc.subject.classification CIENCIAS DE LA COMPUTACION E INTELIGENCIA ARTIFICIAL es_ES
dc.title Computing subdominant unstable modes of turbulent plasma with a parallel Jacobi-Davidson eigensolver es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1002/cpe.1740
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TIN2009-07519/ES/Metodos Avanzados Y Tecnicas Computacionales Novedosas Para La Resolucion Numerica De Problemas De Valores Propios De Gran Dimension/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Instrumentación para Imagen Molecular - Institut d'Instrumentació per a Imatge Molecular es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Sistemas Informáticos y Computación - Departament de Sistemes Informàtics i Computació es_ES
dc.description.bibliographicCitation Romero Alcalde, E.; Román Moltó, JE. (2011). Computing subdominant unstable modes of turbulent plasma with a parallel Jacobi-Davidson eigensolver. Concurrency and Computation: Practice and Experience. 23:2179-2191. https://doi.org/10.1002/cpe.1740 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1002/cpe.1740 es_ES
dc.description.upvformatpinicio 2179 es_ES
dc.description.upvformatpfin 2191 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 23 es_ES
dc.relation.senia 205550
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
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