José Ignacio Aliaga

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 38

Top Topics

Conjugate Gradient

Parallel Version

Programming Environments

Top Venues

Concurr. Comput. Pract. Exp.

Int. J. High Perform. Comput. Appl.

Publications

Iker Martín-Álvarez, José Ignacio Aliaga, Maribel Castillo, Sergio Iserte, Rafael Mayo
Dynamic spawning of MPI processes applied to malleability. Int. J. High Perform. Comput. Appl. 38 (2) (2024)
Mykhailo Havdiak, José Ignacio Aliaga, Roman Iakymchuk
Robustness and Accuracy in Pipelined Bi-conjugate Gradient Stabilized Methods. ICCS (3) (2024)
Roman Iakymchuk, Stef Graillat, José Ignacio Aliaga
General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of bi-conjugate gradient stabilized methods. Int. J. High Perform. Comput. Appl. 38 (1) (2024)
Iker Martín-Álvarez, José Ignacio Aliaga, Maribel Castillo, Sergio Iserte
Configurable synthetic application for studying malleability in HPC. PDP (2023)
Iker Martín-Álvarez, José Ignacio Aliaga, Maribel Castillo, Sergio Iserte
Efficient data redistribution for malleable applications. SC Workshops (2023)
José Ignacio Aliaga, Hartwig Anzt, Enrique S. Quintana-Ortí, Andrés E. Tomás
Sparse matrix-vector and matrix-multivector products for the truncated SVD on graphics processors. Concurr. Comput. Pract. Exp. 35 (28) (2023)
José Ignacio Aliaga, Hartwig Anzt, Thomas Grützmacher, Enrique S. Quintana-Ortí, Andrés E. Tomás
Compressed basis GMRES on high-performance graphics processing units. Int. J. High Perform. Comput. Appl. 37 (2) (2023)
Roman Iakymchuk, José Ignacio Aliaga
General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of BiCGStab methods. CoRR (2023)
José Ignacio Aliaga, Hartwig Anzt, Thomas Grützmacher, Enrique S. Quintana-Ortí, Andrés E. Tomás
Compression and load balancing for efficient sparse matrix-vector product on multicore processors and graphics processing units. Concurr. Comput. Pract. Exp. 34 (14) (2022)
Roman Iakymchuk, Stef Graillat, José Ignacio Aliaga
General Framework for Deriving Reproducible Krylov Subspace Algorithms: BiCGStab Case. PPAM (1) (2022)
Iker Martín-Álvarez, José Ignacio Aliaga, María Isabel Castillo, Rafael Mayo, Sergio Iserte
Malleability Implementation in a MPI Iterative Method. CLUSTER (2021)
José Ignacio Aliaga, Hartwig Anzt, Enrique S. Quintana-Ortí, Andrés E. Tomás, Yuhsiang M. Tsai
Balanced and Compressed Coordinate Layout for the Sparse Matrix-Vector Product on GPUs. Euro-Par Workshops (2020)
Roman Iakymchuk, Maria Barreda Vayá, Stef Graillat, José Ignacio Aliaga, Enrique S. Quintana-Ortí
Reproducibility of parallel preconditioned conjugate gradient in hybrid programming environments. Int. J. High Perform. Comput. Appl. 34 (5) (2020)
José Ignacio Aliaga, Hartwig Anzt, Thomas Grützmacher, Enrique S. Quintana-Ortí, Andrés E. Tomás
Compressed Basis GMRES on High Performance GPUs. CoRR (2020)
Roman Iakymchuk, Maria Barreda, Matthias Wiesenberger, José Ignacio Aliaga, Enrique S. Quintana-Ortí
Reproducibility strategies for parallel Preconditioned Conjugate Gradient. J. Comput. Appl. Math. 371 (2020)
Maria Barreda, José Ignacio Aliaga, Vicenç Beltran, Marc Casas
Iteration-fusing conjugate gradient for sparse linear systems with MPI + OmpSs. J. Supercomput. 76 (9) (2020)
Roman Iakymchuk, Maria Barreda, Stef Graillat, José Ignacio Aliaga, Enrique S. Quintana-Ortí
Reproducibility of Parallel Preconditioned Conjugate Gradient in Hybrid Programming Environments. CoRR (2020)
Rocío Carratalá-Sáez, Sven Christophersen, José Ignacio Aliaga, Vicenç Beltran, Steffen Börm, Enrique S. Quintana-Ortí
Exploiting nested task-parallelism in the H-LU factorization. CoRR (2019)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Accelerating the task/data-parallel version of ILUPACK's BiCG in multi-CPU/GPU configurations. Parallel Comput. 85 (2019)
Rocío Carratalá-Sáez, Sven Christophersen, José Ignacio Aliaga, Vicenç Beltran, Steffen Börm, Enrique S. Quintana-Ortí
Exploiting nested task-parallelism in the H-LU factorization. J. Comput. Sci. 33 (2019)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
An efficient GPU version of the preconditioned GMRES method. J. Supercomput. 75 (3) (2019)
Rocío Carratalá-Sáez, Sven Christophersen, José Ignacio Aliaga, Vicenç Beltran, Steffen Börm, Enrique S. Quintana-Ortí
Erratum to "Exploiting nested task-parallelism in theH-LU factorization" [J. Comput. Sci. 33 (2019) 20-33]. J. Comput. Sci. 35 (2019)
José Ignacio Aliaga, Maria Barreda, M. Asunción Castaño
Energy-aware strategies for task-parallel sparse linear system solvers. Concurr. Comput. Pract. Exp. 31 (6) (2019)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Extending ILUPACK with a GPU Version of the BiCGStab Method. CLEI (2018)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Extending ILUPACK with a Task-Parallel Version of BiCG for Dual-GPU Servers. PMAM@PPoPP (2018)
José Ignacio Aliaga, Rocío Carratalá-Sáez, Ronald Kriemann, Enrique S. Quintana-Ortí
Task-Parallel LU Factorization of Hierarchical Matrices Using OmpSs. IPDPS Workshops (2017)
José Ignacio Aliaga, Ruymán Reyes, Mehdi Goli
SYCL-BLAS: Combining Expression Trees and Kernel Fusion on Heterogeneous Systems. PARCO (2017)
José Ignacio Aliaga, Maria Barreda, Goran Flegar, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Communication in task-parallel ILU-preconditioned CG solvers using MPI + OmpSs. Concurr. Comput. Pract. Exp. 29 (21) (2017)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Overcoming Memory-Capacity Constraints in the Use of ILUPACK on Graphics Processors. SBAC-PAD (2017)
José Ignacio Aliaga, Ruymán Reyes, Mehdi Goli
SYCL-BLAS: Leveraging Expression Trees for Linear Algebra. IWOCL (2017)
José Ignacio Aliaga, Maria Barreda, M. Asunción Castaño, Manuel F. Dolz, Enrique S. Quintana-Ortí
Adapting concurrency throttling and voltage-frequency scaling for dense eigensolvers. J. Supercomput. 73 (1) (2017)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Evaluating the NVIDIA Tegra Processor as a Low-Power Alternative for Sparse GPU Computations. CARLA (2017)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
A Data-Parallel ILUPACK for Sparse General and Symmetric Indefinite Linear Systems. Euro-Par Workshops (2016)
José Ignacio Aliaga, Pedro Alonso, José M. Badía, Pablo Chacón, Davor Davidovic, José Ramón López-Blanco, Enrique S. Quintana-Ortí
A fast band-Krylov eigensolver for macromolecular functional motion simulation on multicore architectures and graphics processors. J. Comput. Phys. 309 (2016)
José Ignacio Aliaga, Maria Barreda, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Characterizing the efficiency of multicore and manycore processors for the solution of sparse linear systems. Comput. Sci. Res. Dev. 31 (4) (2016)
José Ignacio Aliaga, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Design of a Task-Parallel Version of ILUPACK for Graphics Processors. CARLA (2016)
José Ignacio Aliaga, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Exploiting Task-Parallelism in Message-Passing Sparse Linear System Solvers Using OmpSs. Euro-Par (2016)
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Exploiting task and data parallelism in ILUPACK's preconditioned CG solver on NUMA architectures and many-core accelerators. Parallel Comput. 54 (2016)
José Ignacio Aliaga, Maria Barreda, Manuel F. Dolz, Enrique S. Quintana-Ortí
Are our dense linear algebra libraries energy-friendly? Comput. Sci. Res. Dev. 30 (2) (2015)
José Ignacio Aliaga, Sandra Catalán, Charalampos Chalios, Dimitrios S. Nikolopoulos, Enrique S. Quintana-Ortí
Performance and Fault Tolerance of Preconditioned Iterative Solvers on Low-Power ARM Architectures. PARCO (2015)
José Ignacio Aliaga, Joaquín Pérez, Enrique S. Quintana-Ortí
Systematic Fusion of CUDA Kernels for Iterative Sparse Linear System Solvers. Euro-Par (2015)
José Ignacio Aliaga, Davor Davidovic, Joaquín Pérez, Enrique S. Quintana-Ortí
Harnessing CUDA Dynamic Parallelism for the Solution of Sparse Linear Systems. PARCO (2015)
José Ignacio Aliaga, José M. Badía, Maribel Castillo, Davor Davidovic, Rafael Mayo, Enrique S. Quintana-Ortí
Out-of-core macromolecular simulations on multithreaded architectures. Concurr. Comput. Pract. Exp. 27 (6) (2015)
José Ignacio Aliaga, Hartwig Anzt, Maribel Castillo, Juan Carlos Fernández, Germán León, Joaquín Pérez, Enrique S. Quintana-Ortí
Unveiling the performance-energy trade-off in iterative linear system solvers for multithreaded processors. Concurr. Comput. Pract. Exp. 27 (4) (2015)
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Leveraging Task-Parallelism with OmpSs in ILUPACK's Preconditioned CG Method. SBAC-PAD (2014)
José Ignacio Aliaga, Maria Barreda, Manuel F. Dolz, Alberto F. Martín, Rafael Mayo, Enrique S. Quintana-Ortí
Assessing the impact of the CPU power-saving modes on the task-parallel solution of sparse linear systems. Clust. Comput. 17 (4) (2014)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Leveraging Data-Parallelism in ILUPACK using Graphics Processors. ISPDC (2014)
José Ramón López-Blanco, José Ignacio Aliaga, Enrique S. Quintana-Ortí, Pablo Chacón
iMODS: internal coordinates normal mode analysis server. Nucleic Acids Res. 42 (Webserver-Issue) (2014)
José Ramón López-Blanco, Ruymán Reyes, José Ignacio Aliaga, Rosa M. Badia, Pablo Chacón, Enrique S. Quintana-Ortí
Exploring large macromolecular functional motions on clusters of multicore processors. J. Comput. Phys. 246 (2013)
José Ignacio Aliaga, Davor Davidovic, Enrique S. Quintana-Ortí
Out-of-Core Solution of Eigenproblems for Macromolecular Simulations. PPAM (1) (2013)
José Ignacio Aliaga, Hartwig Anzt, Maribel Castillo, Juan Carlos Fernández, Germán León, Joaquín Pérez, Enrique S. Quintana-Ortí
Performance and Energy Analysis of the Iterative Solution of Sparse Linear Systems on Multicore and Manycore Architectures. PPAM (1) (2013)
José Ignacio Aliaga, Joaquín Pérez, Enrique S. Quintana-Ortí, Hartwig Anzt
Reformulated Conjugate Gradient for the Energy-Aware Solution of Linear Systems on GPUs. ICPP (2013)
José Ignacio Aliaga, Paolo Bientinesi, Davor Davidovic, Edoardo Di Napoli, Francisco D. Igual, Enrique S. Quintana-Ortí
Solving dense generalized eigenproblems on multi-threaded architectures. Appl. Math. Comput. 218 (22) (2012)
José Ignacio Aliaga, Manuel F. Dolz, Alberto F. Martín, Rafael Mayo, Enrique S. Quintana-Ortí
Leveraging Task-Parallelism in Energy-Efficient ILU Preconditioners. ICT-GLOW (2012)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Exploiting thread-level parallelism in the iterative solution of sparse linear systems. Parallel Comput. 37 (3) (2011)
José Ignacio Aliaga, Paolo Bientinesi, Davor Davidovic, Edoardo Di Napoli, Francisco D. Igual, Enrique S. Quintana-Ortí
Solving Dense Generalized Eigenproblems on Multi-threaded Architectures CoRR (2011)
Hartwig Anzt, Vincent Heuveline, José Ignacio Aliaga, Maribel Castillo, Juan Carlos Fernández, Rafael Mayo, Enrique S. Quintana-Ortí
Analysis and optimization of power consumption in the iterative solution of sparse linear systems on multi-core and many-core platforms. IGCC (2011)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Parallelization of Multilevel ILU Preconditioners on Distributed-Memory Multiprocessors. PARA (1) (2010)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Evaluation of Parallel Sparse Matrix Partitioning Software for Parallel Multilevel ILU Preconditioning on Shared-Memory Multiprocessors. PARCO (2009)
José Ignacio Aliaga, Francisco Almeida, José M. Badía, Sergio Barrachina, Vicente Blanco Pérez, María Isabel Castillo, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Alfredo Remón, Casiano Rodríguez, Francisco de Sande, Adrián Santos
Toward the parallelization of GSL. J. Supercomput. 48 (1) (2009)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Design, Tuning and Evaluation of Parallel Multilevel ILU Preconditioners. VECPAR (2008)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Parallelization of Multilevel Preconditioners Constructed from Inverse-Based ILUs on Shared-Memory Multiprocessors. PARCO (2007)
José Ignacio Aliaga, José M. Badía, Sergio Barrachina, Maribel Castillo, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Francisco Almeida, Vicente Blanco Pérez, Casiano Rodríguez, Francisco de Sande, Adrián Santos
Parallelization of GSL: The Web Service Interface. PDP (2006)
José Ignacio Aliaga, Francisco Almeida, José M. Badía, Sergio Barrachina, Vicente Blanco Pérez, Maribel Castillo, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Casiano Rodríguez, Francisco de Sande, Adrián Santos
Parallelization of GSL on Clusters of Symmetric Multiprocessors. PARCO (2005)
José Ignacio Aliaga, Francisco Almeida, José Manuel Badía-Contelles, Sergio Barrachina-Mir, Vicente Blanco Pérez, María Isabel Castillo, U. Dorta, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Casiano Rodríguez, Francisco de Sande
Parallelization of the GNU Scientific Library on Heterogeneous Systems. ISPDC/HeteroPar (2004)
José Ignacio Aliaga, Francisco Almeida, José M. Badía, Sergio Barrachina, Vicente Blanco Pérez, María Isabel Castillo, U. Dorta, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Casiano Rodríguez, Francisco de Sande
Parallelization of GSL: Performance of Case Studies. PARA (2004)
José Ignacio Aliaga, Francisco Almeida, José M. Badía, Sergio Barrachina-Mir, Vicente Blanco Pérez, María Isabel Castillo, U. Dorta, Rafael Mayo, Enrique S. Quintana-Ortí, Gregorio Quintana-Ortí, Casiano Rodríguez, Francisco de Sande
Parallelization of GSL: Architecture, Interfaces, and Programming Models. PVM/MPI (2004)
José Ignacio Aliaga, D. L. Boley, Roland W. Freund, Vicente Hernández
A Lanczos-type method for multiple starting vectors. Math. Comput. 69 (232) (2000)
José Ignacio Aliaga, Vicente Hernández, José Luis Pérez
A Parallel Implementation of the General Lanczos Method on the CRAY T3D. VECPAR (1996)