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Alfredo Buttari
CNRS Research Director at IRIT
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Documents
Présentation
I am currently a CNRS (Centre National de la Recherche Scientifique) research director at the IRIT (Institut de Recherche en Informatique de Toulouse) laboratory in Toulouse (France) where I am a member of the APO (Algorithmes Parallèles et Optimisation). My interest are in High Performance Computing, parallel computing, computational linear algebra (numerical software in general). Here is my CV and a short bio:
- 2021-present: CNRS research director @ IRIT
- 2008-2021: CNRS researcher @ IRIT
- 2018: Habilitation à Diriger des Recherches (manuscript, presentation).
- 2008: post-doc at INRIA Rhone-Alpes in Lyon (France) where I was a member of the Laboratoire de l'Informatique du Parallelisme (LIP).
- 2006-2007: post-doc in the Innovative Computing Laboratory (ICL) lead by Prof. Jack Dongarra at the University of Tennessee Knoxville.
- 2003-2006 Ph.D. at Dipartimento Informatica Sistemi e Produzione of University of Rome "Tor Vergata".
More info on my web page:
https://abuttari.gitlab.io
Publications
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Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand SidesSIAM Journal on Matrix Analysis and Applications, 2024, 45 (1), pp.148-166. ⟨10.1137/23M1568600⟩
Article dans une revue
hal-04082415v1
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Improving Multifrontal Methods by Means of Block Low-Rank RepresentationsSIAM Journal on Scientific Computing, 2015, 37 (3), pp.A1451-A1474. ⟨10.1137/120903476⟩
Article dans une revue
hal-01237169v1
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Reducing communications and memory costs of parallel Block Low-Rank solversSIAM Conference on Computational Science and Engineering (CSE 2023), Feb 2023, Amsterdam, Netherlands
Communication dans un congrès
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Solving linear systems efficiently using block low-rank compression in mixed precision45ème Congrès National d'Analyse Numérique (CANUM 2022), Jun 2022, Évian-les-Bains, France
Communication dans un congrès
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Solving linear systems efficiently using mixed-precision Block Low-Rank compressionRencontres Arithmétique de l'informatique Mathématique (RAIM 2021), GdR GdR IM : Informatique Mathématique, May 2021, Paris, France
Communication dans un congrès
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Shared memory parallelism and low-rank approximation techniques applied to direct solvers in FEM simulation (regular paper)19th IEEE International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2013), International Compumag Society (ICS) Technical Co-Sponsorship - IEEE Magnetics Society, Jun 2013, Budapest, Hungary
Communication dans un congrès
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3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solverSociety of Exploration Geophysicists annual meeting (SEG 2013), Society of Exploration Geophysicists, 2013, Houston, Texas, United States. ⟨10.1190/segam2013-0603.1⟩
Communication dans un congrès
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Improving Multifrontal methods by means of Low-Rank Approximations techniquesSIAM Conference on Applied Linear Algebra 2012, Jun 2012, Valencia, Spain. pp.A1451-A1474
Communication dans un congrès
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Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal SolverInternational Conference On Preconditioning Techniques For Scientific And Industrial Applications (PRECONDITIONING 2011), INRIA Bordeaux Sud-Ouest; ENSEIRB; University of Bordeaux 1, May 2011, Bordeaux, France
Communication dans un congrès
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Improving multifrontal methods by means of block low-rank representations[Research Report] INRIA RR-8199, INRIA. 2013
Rapport
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