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Alfredo Buttari
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- affiliation: CNRS, IRIT, Toulouse, France
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2020 – today
- 2024
- [j26]Patrick Amestoy, Olivier Boiteau, Alfredo Buttari
, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L'Excellent, Théo Mary:
Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand Sides. SIAM J. Matrix Anal. Appl. 45(1): 148-166 (2024) - [j25]Patrick Amestoy, Alfredo Buttari
Five-Precision GMRES-Based Iterative Refinement. SIAM J. Matrix Anal. Appl. 45(1): 529-552 (2024) - 2023
- [j24]Patrick Amestoy
Combining Sparse Approximate Factorizations with Mixed-precision Iterative Refinement. ACM Trans. Math. Softw. 49(1): 4:1-4:29 (2023) - [j23]Emmanuel Agullo
Task-based Parallel Programming for Scalable Matrix Product Algorithms. ACM Trans. Math. Softw. 49(2): 15:1-15:23 (2023) - [c16]Emmanuel Agullo, Alfredo Buttari, Olivier Coulaud, Lionel Eyraud-Dubois, Mathieu Faverge, Alain Franc, Abdou Guermouche, Antoine Jego
On the Arithmetic Intensity of Distributed-Memory Dense Matrix Multiplication Involving a Symmetric Input Matrix (SYMM). IPDPS 2023: 357-367 - 2022
- [j22]Alfredo Buttari
Block low-rank single precision coarse grid solvers for extreme scale multigrid methods. Numer. Linear Algebra Appl. 29(1) (2022) - 2021
- [j21]Cleve Ashcraft, Alfredo Buttari
Block Low-Rank Matrices with Shared Bases: Potential and Limitations of the BLR2 Format. SIAM J. Matrix Anal. Appl. 42(2): 990-1010 (2021) - 2020
- [j20]Alfredo Buttari
Parallel QR Factorization of Block-Tridiagonal Matrices. SIAM J. Sci. Comput. 42(6): C313-C334 (2020)
2010 – 2019
- 2019
- [j19]Patrick R. Amestoy, Alfredo Buttari
Bridging the Gap Between Flat and Hierarchical Low-Rank Matrix Formats: The Multilevel Block Low-Rank Format. SIAM J. Sci. Comput. 41(3): A1414-A1442 (2019) - [j18]Alfredo Buttari
A Tridiagonalization Method for Symmetric Saddle-Point Systems. SIAM J. Sci. Comput. 41(5): S409-S432 (2019) - [j17]Patrick R. Amestoy, Alfredo Buttari
Performance and Scalability of the Block Low-Rank Multifrontal Factorization on Multicore Architectures. ACM Trans. Math. Softw. 45(1): 2:1-2:26 (2019) - 2018
- [b1]Alfredo Buttari:
Scalability of parallel sparse direct solvers: methods, memory and performance. Toulouse INP, France, 2018 - 2017
- [j16]Patrick Amestoy, Alfredo Buttari
On the Complexity of the Block Low-Rank Multifrontal Factorization. SIAM J. Sci. Comput. 39(4) (2017) - [c15]Gabriel Hautreux, Alfredo Buttari
Pre-exascale Architectures: OpenPOWER Performance and Usability Assessment for French Scientific Community. ISC Workshops 2017: 309-324 - 2016
- [j15]Emmanuel Agullo, Patrick R. Amestoy, Alfredo Buttari
Robust Memory-Aware Mappings for Parallel Multifrontal Factorizations. SIAM J. Sci. Comput. 38(3) (2016) - [j14]Emmanuel Agullo, Alfredo Buttari
Implementing Multifrontal Sparse Solvers for Multicore Architectures with Sequential Task Flow Runtime Systems. ACM Trans. Math. Softw. 43(2): 13:1-13:22 (2016) - [c14]Emmanuel Agullo, George Bosilca, Alfredo Buttari
Exploiting a Parametrized Task Graph Model for the Parallelization of a Sparse Direct Multifrontal Solver. Euro-Par Workshops 2016: 175-186 - 2015
- [j13]Patrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari
Improving Multifrontal Methods by Means of Block Low-Rank Representations. SIAM J. Sci. Comput. 37(3) (2015) - [c13]Emmanuel Agullo, Alfredo Buttari
Task-Based Multifrontal QR Solver for GPU-Accelerated Multicore Architectures. HiPC 2015: 54-63 - [c12]Luka Stanisic, Emmanuel Agullo, Alfredo Buttari
Fast and Accurate Simulation of Multithreaded Sparse Linear Algebra Solvers. ICPADS 2015: 481-490 - 2013
- [j12]Laurent Bouchet, Patrick Amestoy, Alfredo Buttari
Simultaneous analysis of large INTEGRAL/SPI datasets: Optimizing the computation of the solution and its variance using sparse matrix algorithms. Astron. Comput. 1: 59-69 (2013) - [j11]Alfredo Buttari
Fine-Grained Multithreading for the Multifrontal QR Factorization of Sparse Matrices. SIAM J. Sci. Comput. 35(4) (2013) - [c11]Emmanuel Agullo, Alfredo Buttari
Multifrontal QR Factorization for Multicore Architectures over Runtime Systems. Euro-Par 2013: 521-532 - 2012
- [j10]Salvatore Filippone
Object-Oriented Techniques for Sparse Matrix Computations in Fortran 2003. ACM Trans. Math. Softw. 38(4): 23:1-23:20 (2012) - 2011
- [r3]Patrick Amestoy, Alfredo Buttari
Multifrontal Method. Encyclopedia of Parallel Computing 2011: 1209-1216 - [r2]Patrick Amestoy, Alfredo Buttari
Mumps. Encyclopedia of Parallel Computing 2011: 1232-1238 - 2010
- [c10]Alfredo Buttari
Fine Granularity Sparse QR Factorization for Multicore Based Systems. PARA (2) 2010: 226-236
2000 – 2009
- 2009
- [j9]Marc Baboulin, Alfredo Buttari
Accelerating scientific computations with mixed precision algorithms. Comput. Phys. Commun. 180(12): 2526-2533 (2009) - [j8]Alfredo Buttari
A class of parallel tiled linear algebra algorithms for multicore architectures. Parallel Comput. 35(1): 38-53 (2009) - 2008
- [j7]Alfredo Buttari
Parallel tiled QR factorization for multicore architectures. Concurr. Comput. Pract. Exp. 20(13): 1573-1590 (2008) - [j6]Jakub Kurzak, Alfredo Buttari
The PlayStation 3 for High-Performance Scientific Computing. Comput. Sci. Eng. 10(3): 84-87 (2008) - [j5]Alfredo Buttari
Using Mixed Precision for Sparse Matrix Computations to Enhance the Performance while Achieving 64-bit Accuracy. ACM Trans. Math. Softw. 34(4): 17:1-17:22 (2008) - [j4]Jakub Kurzak, Alfredo Buttari
Solving Systems of Linear Equations on the CELL Processor Using Cholesky Factorization. IEEE Trans. Parallel Distributed Syst. 19(9): 1175-1186 (2008) - [i2]Marc Baboulin, Alfredo Buttari, Jack J. Dongarra, Jakub Kurzak, Julie Langou, Julien Langou, Piotr Luszczek, Stanimire Tomov:
Accelerating Scientific Computations with Mixed Precision Algorithms. CoRR abs/0808.2794 (2008) - 2007
- [j3]Alfredo Buttari
2LEV-D2P4: a package of high-performance preconditioners for scientific and engineering applications. Appl. Algebra Eng. Commun. Comput. 18(3): 223-239 (2007) - [j2]Alfredo Buttari
Mixed Precision Iterative Refinement Techniques for the Solution of Dense Linear Systems. Int. J. High Perform. Comput. Appl. 21(4): 457-466 (2007) - [j1]Alfredo Buttari
Performance Optimization and Modeling of Blocked Sparse Kernels. Int. J. High Perform. Comput. Appl. 21(4): 467-484 (2007) - [c9]Jakub Kurzak, Alfredo Buttari
Introduction to Programming High Performance Applications on the CELL Broadband Engine. Hot Interconnects 2007: 11 - [c8]Alfredo Buttari
Parallel Tiled QR Factorization for Multicore Architectures. PPAM 2007: 639-648 - [r1]Yozo Hida, James Demmel, Julien Langou, Jakub Kurzak, Ming Gu, Alfredo Buttari, Stanimire Tomov, Piotr Luszczek, Julie Langou, Osni Marques, Christof Vömel, Xiaoye S. Li, E. Jason Riedy
Prospectus for a Dense Linear Algebra Software Library. Handbook of Parallel Computing 2007 - [i1]Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack J. Dongarra:
A Class of Parallel Tiled Linear Algebra Algorithms for Multicore Architectures. CoRR abs/0709.1272 (2007) - 2006
- [c7]Alfredo Buttari, Jack J. Dongarra, Jakub Kurzak, Julie Langou, Julien Langou, Piotr Luszczek, Stanimire Tomov:
Exploiting Mixed Precision Floating Point Hardware in Scientific Computations. High Performance Computing Workshop 2006: 19-36 - [c6]Alfredo Buttari
The Impact of Multicore on Math Software. PARA 2006: 1-10 - [c5]James Demmel, Jack J. Dongarra, Beresford N. Parlett, William Kahan, Ming Gu, David Bindel
Prospectus for the Next LAPACK and ScaLAPACK Libraries. PARA 2006: 11-23 - [c4]Julie Langou, Julien Langou, Piotr Luszczek, Jakub Kurzak, Alfredo Buttari
Tools and techniques for performance - Exploiting the performance of 32 bit floating point arithmetic in obtaining 64 bit accuracy (revisiting iterative refinement for linear systems). SC 2006: 113 - [c3]Alfredo Buttari
Poster reception - Targeting multi-core architectures for linear algebra applications. SC 2006: 162 - 2005
- [c2]Gino Bella
FAST-EVP: An Engine Simulation Tool. HPCC 2005: 969-978 - 2004
- [c1]Alfredo Buttari
Extending PSBLAS to Build Parallel Schwarz Preconditioners. PARA 2004: 593-602
Coauthor Index
aka: Patrick R. Amestoy
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