Výsledky vyhledávání - "multifrontal method"

A graphics processing unit accelerated sparse direct solver and preconditioner with block low rank compression

Autoři: Claus, Lisa Ghysels, Pieter Boukaram, Wajih Halim a další

Zdroj: The International Journal of High Performance Computing Applications. 39(1)

Témata: Information and Computing Sciences, Applied Computing, Computer Vision and Multimedia Computation, Linear solvers, preconditioning, low-rank approximation, sparse direct solver, multifrontal method, Distributed Computing, Applied computing, Distributed computing and systems software

Popis souboru: application/pdf

Přístupová URL adresa: https://escholarship.org/uc/item/7tn9n67r
https://escholarship.org/content/qt7tn9n67r/qt7tn9n67r.pdf

Sparse Approximate Multifrontal Factorization with Composite Compression Methods

Autoři: Claus, Lisa Ghysels, Pieter Liu, Yang a další

Zdroj: ACM Transactions on Mathematical Software. 49(3)

Témata: 4613 Theory Of Computation (for-2020), 4606 Distributed Computing and Systems Software (for-2020), 46 Information and Computing Sciences (for-2020), Sparse direct solver, multifrontal method, butterfly algorithm, block low-rank compression, 0802 Computation Theory and Mathematics (for), 0806 Information Systems (for), Numerical & Computational Mathematics (science-metrix), 4606 Distributed computing and systems software (for-2020), 4613 Theory of computation (for-2020), 4901 Applied mathematics (for-2020)

Popis souboru: application/pdf

Přístupová URL adresa: https://escholarship.org/uc/item/4950t8q9
https://escholarship.org/content/qt4950t8q9/qt4950t8q9.pdf

Combining Sparse Approximate Factorizations with Mixed-precision Iterative Refinement: Combining sparse approximate factorizations with mixed-precision iterative refinement

Autoři: Patrick Amestoy Alfredo Buttari Nicholas J. Higham a další

Přispěvatelé: Patrick Amestoy Alfredo Buttari Nicholas J. Higham a další

Zdroj: Amestoy, P, Buttari, A, Higham, N, L’EXCELLENT, JEAN-YVES, Mary, T & VIEUBLÉ, BASTIEN 2022, 'Combining sparse approximate factorizations with mixed precision iterative refinement', ACM Transactions on Mathematical Software.

Témata: multifrontal method, parallelism, mixed precision, floating-point arithmetic, [INFO.INFO-NA]Computer Science [cs]/Numerical Analysis [cs.NA], GMRES, 01 natural sciences, rounding error analysis, [INFO.INFO-PF]Computer Science [cs]/Performance [cs.PF], [INFO.INFO-MS] Computer Science [cs]/Mathematical Software [cs.MS], [INFO.INFO-PF] Computer Science [cs]/Performance [cs.PF], preconditioning, [INFO.INFO-NA] Computer Science [cs]/Numerical Analysis [cs.NA], sparse direct solver, iterative refinement, linear system, multiple precision, 0101 mathematics, [INFO.INFO-MS]Computer Science [cs]/Mathematical Software [cs.MS], Numerical analysis

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: https://research.manchester.ac.uk/en/publications/e733e8d1-416e-4ec9-9257-c0811e90874a
https://hal.science/hal-03536031v2
https://doi.org/10.1145/3582493
https://hal.science/hal-03536031v2/document

Sparse Approximate Multifrontal Factorization with Butterfly Compression for High-Frequency Wave Equations

Autoři: Liu, Yang Ghysels, Pieter Claus, Lisa a další

Zdroj: SIAM Journal on Scientific Computing.

Témata: 4901 Applied Mathematics (for-2020), 4903 Numerical and Computational Mathematics (for-2020), 49 Mathematical Sciences (for-2020), sparse direct solver, multifrontal method, butterfly algorithm, randomized algorithm, high-frequency wave equations, Maxwell equation, Helmholtz equation, Poisson equation, cs.MS, cs.MS, cs.CE, 15A23, 65F50, 65R10, 65R20, 0102 Applied Mathematics (for), 0103 Numerical and Computational Mathematics (for), 0802 Computation Theory and Mathematics (for), Numerical & Computational Mathematics (science-metrix), 4901 Applied mathematics (for-2020), 4903 Numerical and computational mathematics (for-2020)

Popis souboru: application/pdf

Přístupová URL adresa: https://escholarship.org/uc/item/9048w8sk
https://escholarship.org/content/qt9048w8sk/qt9048w8sk.pdf

An Efficient Multicore Implementation of a Novel HSS-Structured Multifrontal Solver Using Randomized Sampling

Autoři: Ghysels, Pieter Li, Xiaoye S Rouet, François-Henry a další

Zdroj: SIAM Journal on Scientific Computing. 38(5)

Témata: Applied Mathematics, Numerical and Computational Mathematics, Mathematical Sciences, sparse Gaussian elimination, multifrontal method, HSS matrices, parallel algorithm, cs.MS, Computation Theory and Mathematics, Numerical & Computational Mathematics, Applied mathematics, Numerical and computational mathematics

Popis souboru: application/pdf

Přístupová URL adresa: https://escholarship.org/uc/item/9qf4r9m5
https://escholarship.org/content/qt9qf4r9m5/qt9qf4r9m5.pdf

An Efficient Multicore Implementation of a Novel HSS-Structured Multifrontal Solver Using Randomized Sampling

Přispěvatelé: Napov, Artem [Univ. Libre de Bruxelles, Brussels (Belgium)]

Zdroj: SIAM Journal on Scientific Computing; 38; 5

Popis souboru: Medium: ED; Size: p. S358-S384

Přístupová URL adresa: http://www.osti.gov/scitech/servlets/purl/1378736

Fast finite element electrostatic analysis with domain decomposition method

Autoři: Bin Li Hao Wang Junhui Yin a další

Zdroj: IEICE Electronics Express. 2023, 20(5):20220540

Parallel Implementation and Efficiency Evaluation of Multifrontal Method / マルチフロンタル法の並列実装および効率評価

Autoři: Hiroshi OKUDA Kanato KONO Takuya MATSUNAGA a další

Zdroj: The Proceedings of The Computational Mechanics Conference. 2022, :21-03

Fast 3D frequency-domain full-waveform inversion with a parallel block low-rank multifrontal direct solver: Application to OBC data from the North Sea

Autoři: Amestoy, Patrick Brossier, Romain Buttari, Alfredo a další

Přispěvatelé: Amestoy, Patrick Brossier, Romain Buttari, Alfredo a další

Zdroj: GEOPHYSICS. 81:R363-R383

Témata: [INFO.INFO-DC]Computer Science [cs]/Distributed, multifrontal method, [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph], finite difference, block low-rank, frequency domain, Parallel, 01 natural sciences, vertical transverse isotropy, and Cluster Computing [cs.DC], [INFO.INFO-DC] Computer Science [cs]/Distributed, Parallel, and Cluster Computing [cs.DC], Wave equation, [SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph], 14. Life underwater, 0105 earth and related environmental sciences

Přístupová URL adresa: https://inria.hal.science/hal-01349119v1
https://doi.org/10.1190/geo2016-0052.1
https://hal-univ-tlse3.archives-ouvertes.fr/hal-01349119v1
https://hal.inria.fr/hal-01349119
https://ui.adsabs.harvard.edu/abs/2016Geop...81R.363A/abstract
https://library.seg.org/doi/10.1190/geo2016-0052.1
https://pubs.geoscienceworld.org/geophysics/article-abstract/81/6/R363/301907/Fast-3D-frequency-domain-full-waveform-inversion
https://hal.archives-ouvertes.fr/hal-01349119

Improving Multifrontal Methods by Means of Block Low-Rank Representations

Autoři: Amestoy, Patrick Ashcraft, Cleve Boiteau, Olivier a další

Přispěvatelé: Amestoy, Patrick Ashcraft, Cleve Boiteau, Olivier a další

Zdroj: SIAM Journal on Scientific Computing. 37:A1451-A1474

Témata: multifrontal method, sparse direct methods, [INFO.INFO-MS] Computer Science [cs]/Mathematical Software [cs.MS], low-rank approximations, [INFO.INFO-MO] Computer Science [cs]/Modeling and Simulation, elliptic, 0101 mathematics, PDEs, [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation, 01 natural sciences, 7. Clean energy, [INFO.INFO-MS]Computer Science [cs]/Mathematical Software [cs.MS]

Přístupová URL adresa: https://hal.inria.fr/hal-00776859/file/RR-8199.pdf

A study of shared-memory parallelism in a multifrontal solver

Autoři: L'Excellent, Jean-Yves Sid-Lakhdar, Wissam M. Roma, Equipe

Přispěvatelé: L'Excellent, Jean-Yves Sid-Lakhdar, Wissam M. Roma, Equipe

Zdroj: Parallel Computing. 40:34-46

Témata: sparse matrix, 2. Zero hunger, multifrontal method, shared-memory, multi-core, NUMA, [INFO.INFO-MS] Computer Science [cs]/Mathematical Software [cs.MS], LU factorization, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, 01 natural sciences

IMF: An Incomplete Multifrontal $LU$-Factorization for Element-Structured Sparse Linear Systems

Autoři: Vannieuwenhoven, Nick Meerbergen, Karl

Zdroj: SIAM Journal on Scientific Computing. 35:A270-A293

Témata: ILU PRECONDITIONER, Science & Technology, 0103 Numerical and Computational Mathematics, finite element method, ALGORITHMS, supernodal multifrontal method, Mathematics, Applied, Numerical & Computational Mathematics, SOLVER, multilevel preconditioner, 01 natural sciences, 0102 Applied Mathematics, Physical Sciences, 4903 Numerical and computational mathematics, 4901 Applied mathematics, 0101 mathematics, incomplete factorization, block LU-factorization, MATRIX, Mathematics, MULTILEVEL ILU, INDEFINITE, 0802 Computation Theory and Mathematics

Přístupová URL adresa: https://lirias.kuleuven.be/bitstream/123456789/356528/2/02-IMF.pdf

Fine-Grained Multithreading for the Multifrontal $QR$ Factorization of Sparse Matrices

Autoři: Buttari, Alfredo Institut National Polytechnique de Toulouse - INPT (FRANCE) Centre National de la Recherche Scientifique - CNRS (FRANCE) a další

Přispěvatelé: Buttari, Alfredo Institut National Polytechnique de Toulouse - INPT (FRANCE) Centre National de la Recherche Scientifique - CNRS (FRANCE) a další

Zdroj: SIAM Journal on Scientific Computing. 35:C323-C345

Témata: [INFO.INFO-DC]Computer Science [cs]/Distributed, Asynchronous Parallelism, Calcul parallèle, 0211 other engineering and technologies, Multifrontal Method, 02 engineering and technology, Parallel, 01 natural sciences, Calcul parallèle, distribué et partagé, and Cluster Computing [cs.DC], Multicore Processors, distribué et partagé, Sparse Linear Systems, 0101 mathematics, $QR$ Factorization

Popis souboru: application/pdf

Přístupová URL adresa: https://hal.archives-ouvertes.fr/hal-01122471/file/Buttari_12707.pdf
https://dblp.uni-trier.de/db/journals/siamsc/siamsc35.html#Buttari13
http://buttari.perso.enseeiht.fr/stuff/RT-APO-11-6.pdf
https://oatao.univ-toulouse.fr/12707/
https://locus.siam.org/doi/abs/10.1137/110846427
http://dblp.uni-trier.de/db/journals/siamsc/siamsc35.html#Buttari13
https://oatao.univ-toulouse.fr/12707/1/Buttari_12707.pdf
https://oatao.univ-toulouse.fr/12707/

Continuation methods applied to the 2D Navier–Stokes equations at high Reynolds numbers

Autoři: Wales, C. Gaitonde, A. L. Jones, D. P.

Zdroj: International Journal for Numerical Methods in Fluids. 70:1258-1289

Témata: turbulence models, Newton, 4. Education, BIFURCATION-ANALYSIS, PATTERN MULTIFRONTAL METHOD, stability, COMPUTATION, nonlinear solvers, 01 natural sciences, AIRFOIL, FLOWS, PERIODIC-SOLUTIONS, SYSTEMS, 0103 physical sciences, RANS: Reynolds averaged Navier-Stokes, 0101 mathematics, compressible flow, STABILITY ANALYSIS, MATRICES

Přístupová URL adresa: https://www.onlinelibrary.wiley.com/doi/10.1002/fld.2740
http://research-information.bristol.ac.uk/en/publications/continuation-methods-applied-to-the-2d-navierstokes-equations-at-high-reynolds-numbers(39057674-3da6-46ef-88d9-f33e3aebc4ab)/export.html
http://ui.adsabs.harvard.edu/abs/2012IJNMF..70.1258W/abstract

Sweeping preconditioner for the helmholtz equation: hierarchical matrix representation

Autoři: Engquist, Björn Ying, Lexing

Zdroj: Communications on Pure and Applied Mathematics. 64(5):697-735

Témata: DOMAIN DECOMPOSITION METHOD, FAST DIRECT SOLVER, LINEAR-SYSTEMS, MULTIFRONTAL METHOD, 2 DIMENSIONS, SCATTERING, INDEFINITE, ALGORITHM, APPROXIMATION, EXTRAPOLATION

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-72096

Numerical continuation of high Reynolds number external flows

Autoři: Wales, C. Gaitonde, A. L. Jones, D. P. a další

Zdroj: International Journal for Numerical Methods in Fluids. 68:135-159

Témata: name=Engineering Mathematics Research Group, STABILITY, Newton, Spalart-Allmaras, Navier-Stokes, eigenvalues, PATTERN MULTIFRONTAL METHOD, 01 natural sciences, AIRFOIL, bifurcation, 0103 physical sciences, 0101 mathematics, continuation, TURBULENCE MODELS, MATRICES

Přístupová URL adresa: http://research-information.bristol.ac.uk/en/publications/numerical-continuation-of-high-reynolds-number-external-flows(cc56018f-eb5e-4d82-bab1-9f259b4ae977).html
https://research-information.bris.ac.uk/en/publications/numerical-continuation-of-high-reynolds-number-external-flows
https://research-information.bris.ac.uk/en/publications/numerical-continuation-of-high-reynolds-number-external-flows(cc56018f-eb5e-4d82-bab1-9f259b4ae977).html
http://ui.adsabs.harvard.edu/abs/2012IJNMF..68..135W/abstract
https://research-information.bristol.ac.uk/en/publications/numerical-continuation-of-high-reynolds-number-external-flows(cc56018f-eb5e-4d82-bab1-9f259b4ae977).html
https://onlinelibrary.wiley.com/doi/10.1002/fld.2497

The design and use of a sparse direct solver for skew symmetric matrices

Autoři: Iain S. Duff

Zdroj: Journal of Computational and Applied Mathematics. 226:50-54

Témata: Convection-diffusion equations, Computational Mathematics, Graph collapsing, Direct solver for sparse skew symmetric matrices, Applied Mathematics, Gaussian elimination, Matching, Preconditioning, GMRES, 0101 mathematics, Multifrontal method, 01 natural sciences

Přístupová URL adresa: https://www.cerfacs.fr/algor/reports/2007/TR_PA_07_04.pdf
https://www.sciencedirect.com/science/article/pii/S0377042708002203
https://core.ac.uk/display/82797030
http://ui.adsabs.harvard.edu/abs/2009JCoAM.226...50D/abstract
https://www.numerical.rl.ac.uk/reports/duffRAL2006027_rev.pdf
https://www.sciencedirect.com/science/article/abs/pii/S0377042708002203

A block sparse shared-memory multifrontal finite element solver for problems of structural mechanics

Autoři: S. Y. Fialko

Zdroj: Computer Assisted Methods in Engineering and Science, Vol 16, Iss 2 (2017)

Témata: finite element method, large-scale problems, multifrontal method, sparse matrices, ordering, multithreading, Computer engineering. Computer hardware, TK7885-7895, Mechanics of engineering. Applied mechanics, TA349-359

Popis souboru: electronic resource

Relation: https://cames.ippt.pan.pl/index.php/cames/article/view/156; https://doaj.org/toc/2299-3649; https://doaj.org/toc/2956-5839

Přístupová URL adresa: https://doaj.org/article/c7a6269afa5f4c9cbf4a5a6cff605a0f

Parallel realization of algebraic domain decomposition for the vector finite element analysis of 3D time-harmonic EM field problems

Autoři: X. W. Ping Rushan Chen Kwok Wa Leung a další

Zdroj: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 18:481-492

Témata: domain decomposition, multifrontal method, Finite element, Galerkin and related methods applied to problems in optics and electromagnetic theory, parallel computing, conjugate gradient method, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, MPI, Parallel numerical computation, 02 engineering and technology, 01 natural sciences

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/2229411
https://doi.org/10.1002/jnm.593
https://dialnet.unirioja.es/servlet/articulo?codigo=1336584
http://onlinelibrary.wiley.com/doi/10.1002/jnm.593/abstract

An efficient multi-core implementation of a novel HSS-structured multifrontal solver using randomized sampling

Autoři: Ghysels, Pieter Li, Xiaoye Rouet, François-Henry a další

Zdroj: SIAM journal on scientific computing, 38 (5

Témata: Analyse numérique, Programmation du calcul numérique, HSS matrices, Multifrontal method, Parallel algorithm, Sparse Gaussian elimination

Popis souboru: 2 full-text file(s): application/pdf | application/pdf

Relation: uri/info:doi/10.1137/15M1010117; uri/info:scp/84994156541; https://dipot.ulb.ac.be/dspace/bitstream/2013/200878/3/1502.07405v1.pdf; https://dipot.ulb.ac.be/dspace/bitstream/2013/200878/4/15m1010117.pdf

Dostupnost: http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/200878
https://dipot.ulb.ac.be/dspace/bitstream/2013/200878/3/1502.07405v1.pdf
https://dipot.ulb.ac.be/dspace/bitstream/2013/200878/4/15m1010117.pdf