Alfredo Buttari

Orcid: 0000-0003-3207-7021

Affiliations:
  • CNRS, IRIT, Toulouse, France


According to our database1, Alfredo Buttari authored at least 45 papers between 2004 and 2024.

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Bibliography

2024
Five-Precision GMRES-Based Iterative Refinement.
SIAM J. Matrix Anal. Appl., March, 2024

Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand Sides.
SIAM J. Matrix Anal. Appl., March, 2024

2023
Task-based Parallel Programming for Scalable Matrix Product Algorithms.
ACM Trans. Math. Softw., June, 2023

Combining Sparse Approximate Factorizations with Mixed-precision Iterative Refinement.
ACM Trans. Math. Softw., March, 2023

On the Arithmetic Intensity of Distributed-Memory Dense Matrix Multiplication Involving a Symmetric Input Matrix (SYMM).
Proceedings of the IEEE International Parallel and Distributed Processing Symposium, 2023

2022
Block low-rank single precision coarse grid solvers for extreme scale multigrid methods.
Numer. Linear Algebra Appl., 2022

2021
Block Low-Rank Matrices with Shared Bases: Potential and Limitations of the BLR<sup>2</sup> Format.
SIAM J. Matrix Anal. Appl., 2021

2020
Parallel <i>QR</i> Factorization of Block-Tridiagonal Matrices.
SIAM J. Sci. Comput., 2020

2019
Performance and Scalability of the Block Low-Rank Multifrontal Factorization on Multicore Architectures.
ACM Trans. Math. Softw., 2019

A Tridiagonalization Method for Symmetric Saddle-Point Systems.
SIAM J. Sci. Comput., 2019

Bridging the Gap Between Flat and Hierarchical Low-Rank Matrix Formats: The Multilevel Block Low-Rank Format.
SIAM J. Sci. Comput., 2019

2018
Scalability of parallel sparse direct solvers: methods, memory and performance.
, 2018

2017
On the Complexity of the Block Low-Rank Multifrontal Factorization.
SIAM J. Sci. Comput., 2017


2016
Implementing Multifrontal Sparse Solvers for Multicore Architectures with Sequential Task Flow Runtime Systems.
ACM Trans. Math. Softw., 2016

Robust Memory-Aware Mappings for Parallel Multifrontal Factorizations.
SIAM J. Sci. Comput., 2016

Exploiting a Parametrized Task Graph Model for the Parallelization of a Sparse Direct Multifrontal Solver.
Proceedings of the Euro-Par 2016: Parallel Processing Workshops, 2016

2015
Improving Multifrontal Methods by Means of Block Low-Rank Representations.
SIAM J. Sci. Comput., 2015

Fast and Accurate Simulation of Multithreaded Sparse Linear Algebra Solvers.
Proceedings of the 21st IEEE International Conference on Parallel and Distributed Systems, 2015

Task-Based Multifrontal QR Solver for GPU-Accelerated Multicore Architectures.
Proceedings of the 22nd IEEE International Conference on High Performance Computing, 2015

2013
Fine-Grained Multithreading for the Multifrontal QR Factorization of Sparse Matrices.
SIAM J. Sci. Comput., 2013

Simultaneous analysis of large <i>INTEGRAL/SPI</i> datasets: Optimizing the computation of the solution and its variance using sparse matrix algorithms.
Astron. Comput., 2013

Multifrontal QR Factorization for Multicore Architectures over Runtime Systems.
Proceedings of the Euro-Par 2013 Parallel Processing, 2013

2012
Object-Oriented Techniques for Sparse Matrix Computations in Fortran 2003.
ACM Trans. Math. Softw., 2012

2011
Mumps.
Proceedings of the Encyclopedia of Parallel Computing, 2011

Multifrontal Method.
Proceedings of the Encyclopedia of Parallel Computing, 2011

2010
Fine Granularity Sparse QR Factorization for Multicore Based Systems.
Proceedings of the Applied Parallel and Scientific Computing, 2010

2009
A class of parallel tiled linear algebra algorithms for multicore architectures.
Parallel Comput., 2009

Accelerating scientific computations with mixed precision algorithms.
Comput. Phys. Commun., 2009

2008
Solving Systems of Linear Equations on the CELL Processor Using Cholesky Factorization.
IEEE Trans. Parallel Distributed Syst., 2008

Using Mixed Precision for Sparse Matrix Computations to Enhance the Performance while Achieving 64-bit Accuracy.
ACM Trans. Math. Softw., 2008

The PlayStation 3 for High-Performance Scientific Computing.
Comput. Sci. Eng., 2008

Parallel tiled QR factorization for multicore architectures.
Concurr. Comput. Pract. Exp., 2008

2007
Prospectus for a Dense Linear Algebra Software Library.
Proceedings of the Handbook of Parallel Computing - Models, Algorithms and Applications., 2007

Performance Optimization and Modeling of Blocked Sparse Kernels.
Int. J. High Perform. Comput. Appl., 2007

Mixed Precision Iterative Refinement Techniques for the Solution of Dense Linear Systems.
Int. J. High Perform. Comput. Appl., 2007

2LEV-D2P4: a package of high-performance preconditioners for scientific and engineering applications.
Appl. Algebra Eng. Commun. Comput., 2007

Introduction to Programming High Performance Applications on the CELL Broadband Engine.
Proceedings of the 15th Annual IEEE Symposium on High-Performance Interconnects, 2007

2006
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).
Proceedings of the ACM/IEEE SC2006 Conference on High Performance Networking and Computing, 2006

Poster reception - Targeting multi-core architectures for linear algebra applications.
Proceedings of the ACM/IEEE SC2006 Conference on High Performance Networking and Computing, 2006

Prospectus for the Next LAPACK and ScaLAPACK Libraries.
Proceedings of the Applied Parallel Computing. State of the Art in Scientific Computing, 2006

The Impact of Multicore on Math Software.
Proceedings of the Applied Parallel Computing. State of the Art in Scientific Computing, 2006

Exploiting Mixed Precision Floating Point Hardware in Scientific Computations.
Proceedings of the High Performance Computing and Grids in Action, 2006

2005
FAST-EVP: An Engine Simulation Tool.
Proceedings of the High Performance Computing and Communications, 2005

2004
Extending PSBLAS to Build Parallel Schwarz Preconditioners.
Proceedings of the Applied Parallel Computing, 2004


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