A square block format for symmetric band matrices

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/24263

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.contributor	Universitat Politècnica de Catalunya. CAP - Grup de Computació d'Altes Prestacions
dc.contributor.author	Gustavson, Fred G.
dc.contributor.author	Herrero Zaragoza, José Ramón
dc.contributor.author	Morancho Llena, Enrique
dc.date	2014
dc.identifier.citation	Gustavson, F.; Herrero, J.; Morancho, E. A square block format for symmetric band matrices. A: International Conference on Parallel Processing and Applied Mathematics. "Parallel Processing and Applied Mathematics: 10th International Conference, PPAM 2013: revised selected papers". Warsaw: Springer, 2014, p. 683-689.
dc.identifier.citation	978-3-642-55223-6
dc.identifier.citation	10.1007/978-3-642-55224-3_64
dc.identifier.uri	http://hdl.handle.net/2117/24263
dc.language.iso	eng
dc.publisher	Springer
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors::Arquitectures paral·leles
dc.subject	Information storage and retrieval systems
dc.subject	Parallel processing (Electronic computers)
dc.subject	Upper square block band format
dc.subject	Banded Cholesky factorization
dc.subject	New data storage format
dc.subject	Locality
dc.subject	Parallelism
dc.subject	Informació -- Sistemes d'emmagatzematge i recuperació
dc.subject	Processament en paral·lel (Ordinadors)
dc.title	A square block format for symmetric band matrices
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This contribution describes a Square Block, SB, format for storing a banded symmetric matrix. This is possible by rearranging “in place” LAPACK Band Layout to become a SB layout: store submatrices as a set of square blocks. The new format reduces storage space, provides higher locality of memory accesses, results in regular access patterns, and exposes parallelism.

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