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hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
hal.structure.identifierAlgorithms and high performance computing for grand challenge applications [SCALAPPLIX]
dc.contributor.authorGAIDAMOUR, Jérémie
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
hal.structure.identifierAlgorithms and high performance computing for grand challenge applications [SCALAPPLIX]
dc.contributor.authorHÉNON, Pascal
dc.contributor.editorIEEE
dc.date.accessioned2024-04-15T09:52:44Z
dc.date.available2024-04-15T09:52:44Z
dc.date.created2008
dc.date.issued2008
dc.date.conference2008-07
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/198543
dc.description.abstractEnIn this paper, we present HIPS (Hierarchical Iterative Parallel Solver) a parallel sparse linear solver that combines effectively direct and iterative methods through a Schur complement approach. The corner stone of our method is to use a special decomposition and ordering of the matrix that allows to construct a reduced system and a robust preconditioner at low memory cost. The parallelization scheme we describe is original for this type of solver and provide a natural way to find a good trade-off between memory and convergence. Eventually, we give some results obtained by our solver on large referenced test cases.
dc.description.sponsorshipSOLveurs et SimulaTIons en Calculs Extrême - ANR-06-CIS6-0010
dc.language.isoen
dc.source.title11th International Conference on Computational Science and Engineering
dc.subject.enparallel sparse linear solver
dc.subject.enSchur complement
dc.subject.eniterative method
dc.subject.enincomplete factorization
dc.subject.endomain decomposition
dc.subject.enhierarchical interface decomposition.
dc.subject.enhierarchical interface decomposition
dc.title.enA parallel direct/iterative solver based on a Schur complement approach.
dc.typeCommunication dans un congrès
dc.subject.halInformatique [cs]/Calcul parallèle, distribué et partagé [cs.DC]
bordeaux.pagepage 98--105
bordeaux.hal.laboratoriesLaboratoire Bordelais de Recherche en Informatique (LaBRI) - UMR 5800*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.conference.titleIEEE 11th International Conference on Computational Science and Engineering
bordeaux.countryBR
bordeaux.title.proceeding11th International Conference on Computational Science and Engineering
bordeaux.conference.citySao Paulo
bordeaux.peerReviewedoui
hal.identifierhal-00353547
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00353547v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=11th%20International%20Conference%20on%20Computational%20Science%20and%20Engineering&rft.date=2008&rft.spage=page%2098--105&rft.epage=page%2098--105&rft.au=GAIDAMOUR,%20J%C3%A9r%C3%A9mie&H%C3%89NON,%20Pascal&rft.genre=unknown


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