Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver

Clément Weisbecker (1) , Patrick Amestoy (1, 2) , Cleve Ashcraft (3) , Olivier Boiteau (4) , Alfredo Buttari (1, 5) , Jean-Yves L'Excellent (6)

1 IRIT-APO - Algorithmes Parallèles et Optimisation
2 Toulouse INP - Institut National Polytechnique (Toulouse)
3 LSTC - Livermore Software Technology Corporation [Livermore]
4 EDF R&D - EDF R&D
5 CNRS - Centre National de la Recherche Scientifique
6 GRAAL - Algorithms and Scheduling for Distributed Heterogeneous Platforms

Domaines: Analyse numérique [cs.NA]; Calcul parallèle, distribué et partagé [cs.DC]

Clément Weisbecker, Patrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, et al.. Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver. International Conference On Preconditioning Techniques For Scientific And Industrial Applications (PRECONDITIONING 2011), INRIA Bordeaux Sud-Ouest; ENSEIRB; University of Bordeaux 1, May 2011, Bordeaux, France. ⟨inria-00581561⟩