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hal-01473475v1  Reports
Emmanuel AgulloAlfredo ButtariMikko BycklingAbdou GuermoucheIan Masliah. Achieving high-performance with a sparse direct solver on Intel KNL
[Research Report] RR-9035, Inria Bordeaux Sud-Ouest; CNRS-IRIT; Intel corporation; Université Bordeaux. 2017, pp.15
hal-00924638v1  Conference papers
Clement WeisbeckerPatrick AmestoyOlivier BoiteauRomain BrossierAlfredo Buttari et al.  3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solver
SEG Technical Program Expanded Abstracts, SEG annual meeting, Houston, TX, USA, 2013, Houston, Texas, United States. ⟨10.1190/segam2013-0603.1⟩
hal-02421046v1  Journal articles
Jakub KurzakAlfredo ButtariJack Dongarra. Solving Systems of Linear Equations on the CELL Processor Using Cholesky Factorization
IEEE Transactions on Parallel and Distributed Systems, Institute of Electrical and Electronics Engineers, 2008, 19 (9), pp.1175-1186. ⟨10.1109/TPDS.2007.70813⟩
hal-02421078v1  Journal articles
Alfredo ButtariJulien LangouJakub KurzakJack Dongarra. Parallel tiled QR factorization for multicore architectures
Concurrency and Computation: Practice and Experience, Wiley, 2008, 20 (13), ⟨10.1002/cpe.v20:13⟩
hal-02421063v1  Journal articles
Jakub KurzakAlfredo ButtariPiotr LuszczekJack Dongarra. The PlayStation 3 for High-Performance Scientific Computing
Computing in Science and Engineering, Institute of Electrical and Electronics Engineers, 2008, 10 (3), pp.84-87. ⟨10.1109/MCSE.2008.85⟩
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hal-01122471v1  Journal articles
Alfredo Buttari. Fine-Grained Multithreading for the Multifrontal QR Factorization of Sparse Matrices
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2013, vol. 35 (n° 4), pp. 323-345. ⟨10.1137/110846427⟩
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hal-01774642v3  Journal articles
Patrick AmestoyAlfredo ButtariJean-Yves l'ExcellentThéo Mary. Bridging the gap between flat and hierarchical low-rank matrix formats: the multilevel BLR format
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2019, 41 (3), pp.A1414-A1442. ⟨10.1137/18M1182760⟩
hal-00924660v1  Conference papers
Patrick AmestoyOlivier BoiteauAlfredo ButtariGuillaume JoslinJean-Yves l'Excellent et al.  Shared memory parallelism and low-rank approximation techniques applied to direct solvers in FEM simulation (regular paper)
IEEE International Conference on the Computation of Electromagnetic Fields (COMPUMAG), 2013, Budapest, Hungary
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hal-01955766v2  Journal articles
Patrick AmestoyAlfredo ButtariJean-Yves l'ExcellentThéo Mary. Performance and Scalability of the Block Low-Rank Multifrontal Factorization on Multicore Architectures
ACM Transactions on Mathematical Software, Association for Computing Machinery, 2019, 45 (1), pp.1-23. ⟨10.1145/3242094⟩
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hal-01334113v2  Journal articles
Emmanuel AgulloPatrick AmestoyAlfredo ButtariAbdou GuermoucheJean-Yves l'Excellent et al.  Robust memory-aware mappings for parallel multifrontal factorizations
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2016, 38 (3), pp.23
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hal-01322230v3  Journal articles
Patrick AmestoyAlfredo ButtariJean-Yves l'ExcellentThéo Mary. On the Complexity of the Block Low-Rank Multifrontal Factorization
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2017, 39 (4), pp.34. ⟨10.1137/16M1077192⟩
hal-01060301v1  Conference papers
Emmanuel AgulloPatrick AmestoyAlfredo ButtariAbdou GuermoucheGuillaume Joslin et al.  Recent advances in sparse direct solvers
SMiRT 2013 - 22nd International Conference on Structural Mechanics in Reactor Technology, Aug 2013, San Francisco, United States. pp.1-10
hal-01237169v1  Journal articles
Patrick AmestoyCleve AshcraftOlivier BoiteauAlfredo ButtariJean-Yves l'Excellent et al.  Improving Multifrontal Methods by Means of Block Low-Rank Representations
SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics, 2015, 37 (3), pp.A1451-A1474. ⟨10.1137/120903476⟩
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inria-00580434v1  Conference papers
Pasqua d'AmbraAlfredo ButtariDaniela Di SerafinoSalvatore FilipponeSimone Gentile et al.  A Novel Aggregation Method based on Graph Matching for Algebraic MultiGrid Preconditioning of Sparse Linear Systems
International Conference On Preconditioning Techniques For Scientific And Industrial Applications, Preconditioning 2011, May 2011, Bordeaux, France
hal-00945083v1  Book sections
Patrick AmestoyAlfredo ButtariAbdou GuermoucheJean-Yves l'ExcellentBora Uçar. The minimum degree ordering with dynamical constraints
M. Beckers and J. Lotz and V. Mosenkis and U. Naumann. Abstracts of the 5th SIAM Workshop on Combinatorial Scientific Computing, SIAM, pp.36-38, 2011, Technical Report