Hierarchical QR factorization algorithms for multi-core clusters

► Hierarchical QR factorization algorithm. ► Targets clusters of multicore nodes. ► Accommodates several kernel types, distribution layouts, and reduction trees. ► Outperforms currently available QR factorization. This paper describes a new QR factorization algorithm which is especially designed for...

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Bibliographic Details
Published in:	Parallel computing Vol. 39; no. 4-5; pp. 212 - 232
Main Authors:	Dongarra, Jack, Faverge, Mathieu, Hérault, Thomas, Jacquelin, Mathias, Langou, Julien, Robert, Yves
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01.04.2013 Elsevier
Subjects:	Algorithms Cluster Clusters Computer Science Construction Distributed memory Distributed, Parallel, and Cluster Computing Factorization Hierarchical architecture Microprocessors Multi-core Numerical linear algebra Platforms QR factorization Reduction Trees Distributed memory Cluster Numerical linear algebra Hierarchical architecture Multi-core QR factorization
ISSN:	0167-8191, 1872-7336
Online Access:	Get full text
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