Reduction to Condensed Forms for Symmetric Eigenvalue Problems on Multi-core Architectures
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Altres documents de l'autoria: Bientinesi, Paolo; Igual, Francisco; Kressner, Daniel; Quintana-Orti, Enrique S.
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
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comunitat-uji-handle3:10234/8620
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http://dx.doi.org/10.1007/978-3-642-14390-8_40 |
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Títol
Reduction to Condensed Forms for Symmetric Eigenvalue Problems on Multi-core ArchitecturesData de publicació
2010Editor
Springer Berlin HeidelbergISBN
978-3-642-14389-2ISSN
0302-9743Cita bibliogràfica
Parallel Processing and Applied Mathematics. Berlin: Springer Berlin Heidelberg, 2010, p. 387-395Tipus de document
info:eu-repo/semantics/bookPartVersió de l'editorial
http://link.springer.com/chapter/10.1007/978-3-642-14390-8_40#Paraules clau / Matèries
Resum
We investigate the performance of the routines in LAPACK and the Successive Band Reduction (SBR) toolbox for the reduction of a dense matrix to tridiagonal form, a crucial preprocessing stage in the solution of the ... [+]
We investigate the performance of the routines in LAPACK and the Successive Band Reduction (SBR) toolbox for the reduction of a dense matrix to tridiagonal form, a crucial preprocessing stage in the solution of the symmetric eigenvalue problem, on general-purpose multi-core processors. In response to the advances of hardware accelerators, we also modify the code in SBR to accelerate the computation by off-loading a significant part of the operations to a graphics processor (GPU). Performance results illustrate the parallelism and scalability of these algorithms on current high-performance multi-core architectures. [-]
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