An Algorithm-by-Blocks for SuperMatrix Band Cholesky Factorization
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Otros documentos de la autoría: Quintana-Ortí, Gregorio; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo; Van de Geijn, Robert A.
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Título
An Algorithm-by-Blocks for SuperMatrix Band Cholesky FactorizationAutoría
Fecha de publicación
2008Editor
Springer VerlagISSN
03029743Tipo de documento
info:eu-repo/semantics/articlePalabras clave / Materias
Resumen
We pursue the scalable parallel implementation of the factor-
ization of band matrices with medium to large bandwidth targeting SMP
and multi-core architectures. Our approach decomposes the computation
into a large ... [+]
We pursue the scalable parallel implementation of the factor-
ization of band matrices with medium to large bandwidth targeting SMP
and multi-core architectures. Our approach decomposes the computation
into a large number of fine-grained operations exposing a higher degree
of parallelism. The SuperMatrix run-time system allows an out-of-order
scheduling of operations that is transparent to the programmer. Exper-
imental results for the Cholesky factorization of band matrices on two
parallel platforms with sixteen processors demonstrate the scalability of
the solution. [-]
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info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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