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Towards an Efficient Use of the BLAS Library for Multilinear Tensor Contractions
dc.contributor.author | Di Napoli, Edoardo | |
dc.contributor.author | Fabregat Traver, Diego | |
dc.contributor.author | Quintana-Ortí, Gregorio | |
dc.contributor.author | Bientinesi, Paolo | |
dc.date.accessioned | 2015-06-03T09:38:24Z | |
dc.date.available | 2015-06-03T09:38:24Z | |
dc.date.issued | 2014 | |
dc.identifier.citation | DI NAPOLI, Edoardo…[et al]. Towards an Efficient Use of the BLAS Library for Multilinear Tensor Contractions. Applied Mathematics and Computation, Volume 235 (2014), pp 454-468 | ca_CA |
dc.identifier.uri | http://hdl.handle.net/10234/122543 | |
dc.description.abstract | Mathematical operators whose transformation rules constitute the building blocks of a multi-linear algebra are widely used in physics and engineering applications where they are very often represented as tensors. In the last century, thanks to the advances in tensor calculus, it was possible to uncover new research fields and make remarkable progress in the existing ones, from electromagnetism to the dynamics of fluids and from the mechanics of rigid bodies to quantum mechanics of many atoms. By now, the formal mathematical and geometrical properties of tensors are well defined and understood; conversely, in the context of scientific and high-performance computing, many tensorrelated problems are still open. In this paper, we address the problem of efficiently computing contractions among two tensors of arbitrary dimension by using kernels from the highly optimized BLAS library. In particular, we establish precise conditions to determine if and when GEMM, the kernel for matrix products, can be used. Such conditions take into consideration both the nature of the operation and the storage scheme of the tensors, and induce a classification of the contractions into three groups. For each group, we provide a recipe to guide the users towards the most effective use of BLAS. | ca_CA |
dc.format.extent | 25 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Aachen University | ca_CA |
dc.relation.isPartOf | Applied Mathematics and Computation, Volume 235 (2014) | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Mathematical operators | ca_CA |
dc.subject | Multi-linear algebra | ca_CA |
dc.subject | Physics and engineering applications | ca_CA |
dc.subject | Electromagnetism | ca_CA |
dc.subject | Dynamics of fluids | ca_CA |
dc.subject | Mechanics of rigid bodies | ca_CA |
dc.subject | Quantum mechanics | ca_CA |
dc.title | Towards an Efficient Use of the BLAS Library for Multilinear Tensor Contractions | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1016/j.amc.2014.02.051 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | http://publications.rwth-aachen.de/record/234423 | ca_CA |
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