Hatem Ltaief

143 papers A 22B 1C 16Misc 5Journal 65Unranked 32
YearRankTypeTitle / Venue / Authors
2026 J jnl
RAP: KV-Cache Compression via RoPE-Aligned Pruning.
CoRR
Jihao Xin, Tian Lyu, David E. Keyes, Hatem Ltaief, Marco Canini
2025 C conf
Accelerating Mixed-Precision Out-of-Core Cholesky Factorization with Static Task Scheduling.
ISC
Jie Ren, Hatem Ltaief, Sameh Abdulah, David E. Keyes
2025 — conf
Analyzing Data Sparsity in Global and Compact Support Radial Basis Functions for 3D Unstructured Mesh Deformation.
WAMTA
Rabab Alomairy, Qinglei Cao, Hatem Ltaief, David E. Keyes
2025 A conf
Caracal: A GPU-Resident Sparse LU Solver with Lightweight Fine-Grained Scheduling.
SC
Jie Ren, Tingxuan Zhong, Yuxi Hong, Guofeng Feng, Xincheng Wang, Weile Jia, Hatem Ltaief, David Elliot Keyes
2025 C conf
GPU-Accelerated Modified Bessel Function of the Second Kind for Gaussian Processes.
ISC
Zipei Geng, Sameh Abdulah, Ying Sun, Hatem Ltaief, David E. Keyes, Marc G. Genton
2025 J jnl
GPU-Accelerated Modified Bessel Function of the Second Kind for Gaussian Processes.
CoRR
Zipei Geng, Sameh Abdulah, Ying Sun, Hatem Ltaief, David E. Keyes, Marc G. Genton
2025 J jnl
GPU-Accelerated Parallel Selected Inversion for Structured Matrices Using sTiles.
CoRR
Esmail Abdul Fattah, Hatem Ltaief, Håvard Rue, David E. Keyes
2025 — conf
On Floating Point Approximation of the Reciprocal Cube Root Function.
ICCS (Workshops 5)
Cezary J. Walczyk, Pawel Gepner, Hatem Ltaief, Nataliia Gavkalova
2025 C conf
Scalable Hamming Distance Computation Using Accelerated Matrix Transformations.
ISC
Rabab Alomairy, Qinglei Cao, Hatem Ltaief, David E. Keyes, Alan Edelman
2025 J jnl
Scaled Block Vecchia Approximation for High-Dimensional Gaussian Process Emulation on GPUs.
CoRR
Qilong Pan, Sameh Abdulah, Mustafa Abduljabbar, Hatem Ltaief, Andreas Herten, Mathis Bode, Matthew T. Pratola, Arindam Fadikar, Marc G. Genton, David E. Keyes, Ying Sun
2025 — conf
Sustainably Modeling a Sustainable Future Climate.
HPEC
Rabab Alomairy, Sameh Abdulah, Qinglei Cao, Marc G. Genton, David E. Keyes, Hatem Ltaief
2025 C conf
sTiles: An Accelerated Computational Framework for Sparse Factorizations of Structured Matrices.
ISC
Esmail Abdul Fattah, Hatem Ltaief, Håvard Rue, David E. Keyes
2025 J jnl
sTiles: An Accelerated Computational Framework for Sparse Factorizations of Structured Matrices.
CoRR
Esmail Abdul Fattah, Hatem Ltaief, Håvard Rue, David E. Keyes
2024 J jnl
Accelerating Mixed-Precision Out-of-Core Cholesky Factorization with Static Task Scheduling.
CoRR
Jie Ren, Hatem Ltaief, Sameh Abdulah, David E. Keyes
2024 A conf
Boosting Earth System Model Outputs And Saving PetaBytes in Their Storage Using Exascale Climate Emulators.
SC
Sameh Abdulah, Allison H. Baker, George Bosilca, Qinglei Cao, Stefano Castruccio, Marc G. Genton, David E. Keyes, Zubair Khalid, Hatem Ltaief, Yan Song, Georgiy L. Stenchikov, Ying Sun
2024 C conf
GPU-Accelerated Vecchia Approximations of Gaussian Processes for Geospatial Data using Batched Matrix Computations.
ISC
Qilong Pan, Sameh Abdulah, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun
2024 J jnl
GPU-Accelerated Vecchia Approximations of Gaussian Processes for Geospatial Data using Batched Matrix Computations.
CoRR
Qilong Pan, Sameh Abdulah, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun
2024 Misc conf
High Throughput Massive MIMO Signal Decoding Using Multi-Level Tree Search on FPGAs.
FCCM
Mohamed W. Hassan, Hatem Ltaief, Suhaib A. Fahmy
2024 J jnl
High performance computing seismic redatuming by inversion with algebraic compression and multiple precisions.
Int. J. High Perform. Comput. Appl.
Yuxi Hong, Hatem Ltaief, Matteo Ravasi, David E. Keyes
2024 — conf
Leveraging the High Bandwidth of Last-Level Cache for HPC Seismic Imaging Applications.
PASC
Pavel Plotnitskii, Louis Beaurepaire, Long Qu, Kadir Akbudak, Hatem Ltaief, David Elliot Keyes
2024 A conf
Parallel Approximations for High-Dimensional Multivariate Normal Probability Computation in Confidence Region Detection Applications.
IPDPS
Xiran Zhang, Sameh Abdulah, Jian Cao, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2024 J jnl
Parallel Approximations for High-Dimensional Multivariate Normal Probability Computation in Confidence Region Detection Applications.
CoRR
Xiran Zhang, Sameh Abdulah, Jian Cao, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2024 J jnl
Portability and scalability evaluation of large-scale statistical modeling and prediction software through HPC-ready containers.
Future Gener. Comput. Syst.
Sameh Abdulah, Jorge Ejarque, Omar Marzouk, Hatem Ltaief, Ying Sun, Marc G. Genton, Rosa M. Badia, David E. Keyes
2024 A conf
Toward Capturing Genetic Epistasis From Multivariate Genome-Wide Association Studies Using Mixed-Precision Kernel Ridge Regression.
SC
Hatem Ltaief, Rabab Alomairy, Qinglei Cao, Jie Ren, Lotfi Slim, Thorsten Kurth, Benedikt Dorschner, Salim Bougouffa, Rached Abdelkhalak, David E. Keyes
2024 J jnl
Toward Capturing Genetic Epistasis From Multivariate Genome-Wide Association Studies Using Mixed-Precision Kernel Ridge Regression.
CoRR
Hatem Ltaief, Rabab Alomairy, Qinglei Cao, Jie Ren, Lotfi Slim, Thorsten Kurth, Benedikt Dorschner, Salim Bougouffa, Rached Abdelkhalak, David E. Keyes
2023 J jnl
Author Correction: The high-dimensional space of human diseases built from diagnosis records and mapped to genetic loci.
Nat. Comput. Sci.
Gengjie Jia, Yu Li, Xue Zhong, Kanix Wang, Milton Pividori, Rabab Alomairy, Aniello Esposito, Hatem Ltaief, Chikashi Terao, Masato Akiyama, Koichi Matsuda, David E. Keyes, Hae Kyung Im, Takashi Gojobori, Yoichiro Kamatani, Michiaki Kubo, Nancy J. Cox, James A. Evans, Xin Gao, Andrey Rzhetsky
2023 B conf
Efficient GPU-based Large MIMO Detection Algorithm for Next-Generation Communication Systems.
GLOBECOM
Adel Dabah, Zouheir Rezki, Hatem Ltaief, David E. Keyes, Mohamed-Slim Alouini
2023 J jnl
Exploiting temporal data reuse and asynchrony in the reverse time migration.
Int. J. High Perform. Comput. Appl.
Long Qu, Rached Abdelkhalak, Hatem Ltaief, Issam Said, David E. Keyes
2023 C conf
GPU-Based Low-Precision Detection Approach for Massive MIMO Systems.
ISC
Adel Dabah, Hatem Ltaief, Zouheir Rezki, Mohamed-Slim Alouini, David E. Keyes
2023 A conf
High-Performance SVD Partial Spectrum Computation.
SC
David E. Keyes, Hatem Ltaief, Yuji Nakatsukasa, Dalal Sukkari
2023 J jnl
Portability and Scalability Evaluation of Large-Scale Statistical Modeling and Prediction Software through HPC-Ready Containers.
CoRR
Sameh Abdulah, Jorge Ejarque, Omar Marzouk, Hatem Ltaief, Ying Sun, Marc G. Genton, Rosa M. Badia, David E. Keyes
2023 C conf
Reducing Data Motion and Energy Consumption of Geospatial Modeling Applications Using Automated Precision Conversion.
CLUSTER
Qinglei Cao, Sameh Abdulah, Hatem Ltaief, Marc G. Genton, David E. Keyes, George Bosilca
2023 A conf
Scaling the "Memory Wall" for Multi-Dimensional Seismic Processing with Algebraic Compression on Cerebras CS-2 Systems.
SC
Hatem Ltaief, Yuxi Hong, Leighton Wilson, Mathias Jacquelin, Matteo Ravasi, David Elliot Keyes
2023 A conf
Signal Detection for Large MIMO Systems Using Sphere Decoding on FPGAs.
IPDPS
Mohamed W. Hassan, Adel Dabah, Hatem Ltaief, Suhaib A. Fahmy
2023 C conf
Steering Customized AI Architectures for HPC Scientific Applications.
ISC
Hatem Ltaief, Yuxi Hong, Adel Dabah, Rabab Alomairy, Sameh Abdulah, Chris Goreczny, Pawel Gepner, Matteo Ravasi, Damien Gratadour, David E. Keyes
2023 J jnl
The high-dimensional space of human diseases built from diagnosis records and mapped to genetic loci.
Nat. Comput. Sci.
Gengjie Jia, Yu Li, Xue Zhong, Kanix Wang, Milton Pividori, Rabab Alomairy, Aniello Esposito, Hatem Ltaief, Chikashi Terao, Masato Akiyama, Koichi Matsuda, David E. Keyes, Hae Kyung Im, Takashi Gojobori, Yoichiro Kamatani, Michiaki Kubo, Nancy J. Cox, James A. Evans, Xin Gao, Andrey Rzhetsky
2023 J jnl
Tile low-rank approximations of non-Gaussian space and space-time Tukey
J. Parallel Distributed Comput.
Sagnik Mondal, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2022 A conf
A Framework to Exploit Data Sparsity in Tile Low-Rank Cholesky Factorization.
IPDPS
Qinglei Cao, Rabab Alomairy, Yu Pei, George Bosilca, Hatem Ltaief, David E. Keyes, Jack J. Dongarra
2022 J jnl
Accelerating Geostatistical Modeling and Prediction With Mixed-Precision Computations: A High-Productivity Approach With PaRSEC.
IEEE Trans. Parallel Distributed Syst.
Sameh Abdulah, Qinglei Cao, Yu Pei, George Bosilca, Jack J. Dongarra, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun
2022 — conf
High-Performance Spatial Data Compression for Scientific Applications.
Euro-Par
Ronald Kriemann, Hatem Ltaief, Minh Bau Luong, Francisco E. Hernández Pérez, Hong G. Im, David E. Keyes
2022 J jnl
High-performance 3D Unstructured Mesh Deformation Using Rank Structured Matrix Computations.
ACM Trans. Parallel Comput.
Rabab Alomairy, Wael Bader, Hatem Ltaief, Youssef Mesri, David E. Keyes
2022 A conf
Parallel Approximations of the Tukey g-and-h Likelihoods and Predictions for Non-Gaussian Geostatistics.
IPDPS
Sagnik Mondal, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2022 — conf
Parallel space-time likelihood optimization for air pollution prediction on large-scale systems.
PASC
Mary Lai O. Salvaña, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2022 A conf
Reshaping Geostatistical Modeling and Prediction for Extreme-Scale Environmental Applications.
SC
Qinglei Cao, Sameh Abdulah, Rabab Alomairy, Yu Pei, Pratik Nag, George Bosilca, Jack J. Dongarra, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun
2022 J jnl
Responsibly Reckless Matrix Algorithms for HPC Scientific Applications.
Comput. Sci. Eng.
Hatem Ltaief, Marc G. Genton, Damien Gratadour, David E. Keyes, Matteo Ravasi
2021 J jnl
Accelerating Seismic Redatuming Using Tile Low-Rank Approximations on NEC SX-Aurora TSUBASA.
Supercomput. Front. Innov.
Yuxi Hong, Hatem Ltaief, Matteo Ravasi, Laurent Gatineau, David E. Keyes
2021 C ed.
High Performance Computing - 36th International Conference, ISC High Performance 2021, Virtual Event, June 24 - July 2, 2021, Proceedings
ISC
Bradford L. Chamberlain, Ana Lucia Varbanescu, Hatem Ltaief, Piotr Luszczek
2021 — ed.
High Performance Computing - ISC High Performance Digital 2021 International Workshops, Frankfurt am Main, Germany, June 24 - July 2, 2021, Revised Selected Papers
ISC Workshops
Heike Jagode, Hartwig Anzt, Hatem Ltaief, Piotr Luszczek
2021 J jnl
High Performance Multivariate Geospatial Statistics on Manycore Systems.
IEEE Trans. Parallel Distributed Syst.
Mary Lai O. Salvaña, Sameh Abdulah, Huang Huang, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2021 J jnl
High-Performance Partial Spectrum Computation for Symmetric eigenvalue problems and the SVD.
CoRR
David E. Keyes, Hatem Ltaief, Yuji Nakatsukasa, Dalal Sukkari
2021 A conf
Leveraging PaRSEC Runtime Support to Tackle Challenging 3D Data-Sparse Matrix Problems.
IPDPS
Qinglei Cao, Yu Pei, Kadir Akbudak, George Bosilca, Hatem Ltaief, David E. Keyes, Jack J. Dongarra
2021 A conf
Meeting the real-time challenges of ground-based telescopes using low-rank matrix computations.
SC
Hatem Ltaief, Jesse Cranney, Damien Gratadour, Yuxi Hong, Laurent Gatineau, David E. Keyes
2021 — conf
Outsmarting the Atmospheric Turbulence for Ground-Based Telescopes Using the Stochastic Levenberg-Marquardt Method.
Euro-Par
Yuxi Hong, El Houcine Bergou, Nicolas Doucet, Hao Zhang, Jesse Cranney, Hatem Ltaief, Damien Gratadour, François Rigaut, David E. Keyes
2020 J jnl
Abstraction Layer For Standardizing APIs of Task-Based Engines.
IEEE Trans. Parallel Distributed Syst.
Rabab Alomairy, Hatem Ltaief, Mustafa Abduljabbar, David E. Keyes
2020 J jnl
Asynchronous computations for solving the acoustic wave propagation equation.
Int. J. High Perform. Comput. Appl.
Kadir Akbudak, Hatem Ltaief, Étienne Vincent, Rached Abdelkhalak, Thierry Tonellot, David E. Keyes
2020 — conf
Extreme-Scale Task-Based Cholesky Factorization Toward Climate and Weather Prediction Applications.
PASC
Qinglei Cao, Yu Pei, Kadir Akbudak, Aleksandr Mikhalev, George Bosilca, Hatem Ltaief, David E. Keyes, Jack J. Dongarra
2020 J jnl
Geostatistical Modeling and Prediction Using Mixed-Precision Tile Cholesky Factorization.
CoRR
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2020 C ed.
High Performance Computing - 35th International Conference, ISC High Performance 2020, Frankfurt/Main, Germany, June 22-25, 2020, Proceedings
ISC
Ponnuswamy Sadayappan, Bradford L. Chamberlain, Guido Juckeland, Hatem Ltaief
2020 — ed.
High Performance Computing - ISC High Performance 2020 International Workshops, Frankfurt, Germany, June 21-25, 2020, Revised Selected Papers
ISC Workshops
Heike Jagode, Hartwig Anzt, Guido Juckeland, Hatem Ltaief
2020 J jnl
High Performance Multivariate Spatial Modeling for Geostatistical Data on Manycore Systems.
CoRR
Mary Lai O. Salvaña, Sameh Abdulah, Huang Huang, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2020 — conf
Maximizing I/O Bandwidth for Reverse Time Migration on Heterogeneous Large-Scale Systems.
Euro-Par
Tariq Alturkestani, Hatem Ltaief, David E. Keyes
2020 J jnl
Performance / Complexity Trade-offs of the Sphere Decoder Algorithm for Massive MIMO Systems.
CoRR
Adel Dabah, Hatem Ltaief, Zouheir Rezki, Mohamed Amine Arfaoui, Mohamed-Slim Alouini, David E. Keyes
2020 C conf
Solving Acoustic Boundary Integral Equations Using High Performance Tile Low-Rank LU Factorization.
ISC
Noha Al-Harthi, Rabab Alomairy, Kadir Akbudak, Rui Chen, Hatem Ltaief, Hakan Bagci, David E. Keyes
2019 J jnl
A QDWH-based SVD Software Framework on Distributed-memory Manycore Systems.
ACM Trans. Math. Softw.
Dalal Sukkari, Hatem Ltaief, Aniello Esposito, David E. Keyes
2019 C conf
Asynchronous Task-Based Execution of the Reverse Time Migration for the Oil and Gas Industry.
CLUSTER
Amani AlOnazi, Hatem Ltaief, David E. Keyes, Issam Said, Samuel Thibault
2019 J jnl
Batched Triangular Dense Linear Algebra Kernels for Very Small Matrix Sizes on GPUs.
ACM Trans. Math. Softw.
Ali Charara, David E. Keyes, Hatem Ltaief
2019 J jnl
ExaGeoStatR: A Package for Large-Scale Geostatistics in R.
CoRR
Sameh Abdulah, Yuxiao Li, Jian Cao, Hatem Ltaief, David E. Keyes, Marc G. Genton, Ying Sun
2019 Misc conf
Geostatistical Modeling and Prediction Using Mixed Precision Tile Cholesky Factorization.
HiPC
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2019 C conf
Leveraging Task-Based Polar Decomposition Using PARSEC on Massively Parallel Systems.
CLUSTER
Dalal Sukkari, Hatem Ltaief, David E. Keyes, Mathieu Faverge
2019 Misc conf
MLBS: Transparent Data Caching in Hierarchical Storage for Out-of-Core HPC Applications.
HiPC
Tariq Alturkestani, Thierry Tonellot, Hatem Ltaief, Rached Abdelkhalak, Étienne Vincent, David E. Keyes
2019 J jnl
Massively Parallel Polar Decomposition on Distributed-memory Systems.
ACM Trans. Parallel Comput.
Hatem Ltaief, Dalal Sukkari, Aniello Esposito, Yuji Nakatsukasa, David E. Keyes
2019 — conf
Mixed-Precision Tomographic Reconstructor Computations on Hardware Accelerators.
IA3@SC
Nicolas Doucet, Hatem Ltaief, Damien Gratadour, David E. Keyes
2019 — conf
Performance Analysis of Tile Low-Rank Cholesky Factorization Using PaRSEC Instrumentation Tools.
ProTools@SC
Qinglei Cao, Yu Pei, Thomas Hérault, Kadir Akbudak, Aleksandr Mikhalev, George Bosilca, Hatem Ltaief, David E. Keyes, Jack J. Dongarra
2018 J jnl
Accelerated Cyclic Reduction: A distributed-memory fast solver for structured linear systems.
Parallel Comput.
Gustavo Chávez, George Turkiyyah, Stefano Zampini, Hatem Ltaief, David E. Keyes
2018 J jnl
Asynchronous Task-Based Polar Decomposition on Single Node Manycore Architectures.
IEEE Trans. Parallel Distributed Syst.
Dalal Sukkari, Hatem Ltaief, Mathieu Faverge, David E. Keyes
2018 J jnl
Batched QR and SVD algorithms on GPUs with applications in hierarchical matrix compression.
Parallel Comput.
Wajih Halim Boukaram, George Turkiyyah, Hatem Ltaief, David E. Keyes
2018 J jnl
ExaGeoStat: A High Performance Unified Software for Geostatistics on Manycore Systems.
IEEE Trans. Parallel Distributed Syst.
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2018 — conf
Exploiting Data Sparsity for Large-Scale Matrix Computations.
Euro-Par
Kadir Akbudak, Hatem Ltaief, Aleksandr Mikhalev, Ali Charara, Aniello Esposito, David E. Keyes
2018 — conf
Extreme Computing for Extreme Adaptive Optics: The Key to Finding Life Outside our Solar System.
PASC
Hatem Ltaief, Dalal Sukkari, Oliver Guyon, David E. Keyes
2018 J jnl
Multidimensional Intratile Parallelization for Memory-Starved Stencil Computations.
ACM Trans. Parallel Comput.
Tareq M. Malas, Georg Hager, Hatem Ltaief, David E. Keyes
2018 C conf
Parallel Approximation of the Maximum Likelihood Estimation for the Prediction of Large-Scale Geostatistics Simulations.
CLUSTER
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2018 A conf
Real-Time Massively Distributed Multi-object Adaptive Optics Simulations for the European Extremely Large Telescope.
IPDPS
Hatem Ltaief, Ali Charara, Damien Gratadour, Nicolas Doucet, Bilel Hadri, Eric Gendron, Saber Feki, David E. Keyes
2018 J jnl
Tile Low-Rank Approximation of Large-Scale Maximum Likelihood Estimation on Manycore Architectures.
CoRR
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2018 — conf
Tile Low-Rank GEMM Using Batched Operations on GPUs.
Euro-Par
Ali Charara, David E. Keyes, Hatem Ltaief
2017 J jnl
A framework for dense triangular matrix kernels on various manycore architectures.
Concurr. Comput. Pract. Exp.
Ali Charara, David E. Keyes, Hatem Ltaief
2017 J jnl
Batched QR and SVD Algorithms on GPUs with Applications in Hierarchical Matrix Compression.
CoRR
Wajih Halim Boukaram, George Turkiyyah, Hatem Ltaief, David E. Keyes
2017 J jnl
ExaGeoStat: A High Performance Unified Framework for Geostatistics on Manycore Systems.
CoRR
Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes
2017 C conf
Tile Low Rank Cholesky Factorization for Climate/Weather Modeling Applications on Manycore Architectures.
ISC
Kadir Akbudak, Hatem Ltaief, Aleksandr Mikhalev, David E. Keyes
2017 J jnl
Trends in Data Locality Abstractions for HPC Systems.
IEEE Trans. Parallel Distributed Syst.
Didem Unat, Anshu Dubey, Torsten Hoefler, John Shalf, Mark James Abraham, Mauro Bianco, Bradford L. Chamberlain, Romain Cledat, H. Carter Edwards, Hal Finkel, Karl Fuerlinger, Frank Hannig, Emmanuel Jeannot, Amir Kamil, Jeff Keasler, Paul H. J. Kelly, Vitus J. Leung, Hatem Ltaief, Naoya Maruyama, Chris J. Newburn, Miquel Pericàs
2016 J jnl
A High Performance QDWH-SVD Solver Using Hardware Accelerators.
ACM Trans. Math. Softw.
Dalal Sukkari, Hatem Ltaief, David E. Keyes
2016 J jnl
Accelerated Dimension-Independent Adaptive Metropolis.
SIAM J. Sci. Comput.
Yuxin Chen, David E. Keyes, Kody J. H. Law, Hatem Ltaief
2016 — conf
Adaptive Optics Simulation for the World's Largest Telescope on Multicore Architectures with Multiple GPUs.
PASC
Hatem Ltaief, Damien Gratadour, Ali Charara, Eric Gendron
2016 Misc conf
Efficient Sphere Detector Algorithm for Massive MIMO using GPU Hardware Accelerator.
ICCS
Mohamed Amine Arfaoui, Hatem Ltaief, Zouheir Rezki, Mohamed-Slim Alouini, David E. Keyes
2016 — conf
High Performance Polar Decomposition on Distributed Memory Systems.
Euro-Par
Dalal Sukkari, Hatem Ltaief, David E. Keyes
2016 J jnl
KBLAS: An Optimized Library for Dense Matrix-Vector Multiplication on GPU Accelerators.
ACM Trans. Math. Softw.
Ahmad Abdelfattah, David E. Keyes, Hatem Ltaief
2016 A conf
Optimization of an Electromagnetics Code with Multicore Wavefront Diamond Blocking and Multi-dimensional Intra-Tile Parallelization.
IPDPS
Tareq M. Malas, Julian Hornich, Georg Hager, Hatem Ltaief, Christoph Pflaum, David E. Keyes
2016 J jnl
Performance optimization of Sparse Matrix-Vector Multiplication for multi-component PDE-based applications using GPUs.
Concurr. Comput. Pract. Exp.
Ahmad Abdelfattah, Hatem Ltaief, David E. Keyes, Jack J. Dongarra
2016 — conf
Redesigning Triangular Dense Matrix Computations on GPUs.
Euro-Par
Ali Charara, Hatem Ltaief, David E. Keyes
2015 J jnl
Dense Matrix Computations on NUMA Architectures with Distance-Aware Work Stealing.
Supercomput. Front. Innov.
Rabab Alomairy, Guillermo Miranda, Hatem Ltaief, Rosa M. Badia, Xavier Martorell, Jesús Labarta, David E. Keyes
2015 — conf
High Performance Multi-GPU SpMV for Multi-component PDE-Based Applications.
Euro-Par
Ahmad Abdelfattah, Hatem Ltaief, David E. Keyes
2015 J jnl
Multi-dimensional intra-tile parallelization for memory-starved stencil computations.
CoRR
Tareq M. Malas, Georg Hager, Hatem Ltaief, David E. Keyes
2015 J jnl
Multicore-Optimized Wavefront Diamond Blocking for Optimizing Stencil Updates.
SIAM J. Sci. Comput.
Tareq M. Malas, Georg Hager, Hatem Ltaief, Holger Stengel, Gerhard Wellein, David E. Keyes
2015 J jnl
Optimization of an electromagnetics code with multicore wavefront diamond blocking and multi-dimensional intra-tile parallelization.
CoRR
Tareq M. Malas, Julian Hornich, Georg Hager, Hatem Ltaief, Christoph Pflaum, David E. Keyes
2014 J jnl
Achieving numerical accuracy and high performance using recursive tile LU factorization with partial pivoting.
Concurr. Comput. Pract. Exp.
Jack J. Dongarra, Mathieu Faverge, Hatem Ltaief, Piotr Luszczek
2014 J jnl
Data-driven execution of fast multipole methods.
Concurr. Comput. Pract. Exp.
Hatem Ltaief, Rio Yokota
2014 — conf
High Performance Pseudo-analytical Simulation of Multi-Object Adaptive Optics over Multi-GPU Systems.
Euro-Par
Ahmad Abdelfattah, Eric Gendron, Damien Gratadour, David E. Keyes, Hatem Ltaief, Arnaud Sevin, Fabrice Vidal
2014 J jnl
KBLAS: An Optimized Library for Dense Matrix-Vector Multiplication on GPU Accelerators.
CoRR
Ahmad Abdelfattah, David E. Keyes, Hatem Ltaief
2014 J jnl
Multicore-optimized wavefront diamond blocking for optimizing stencil updates.
CoRR
Tareq M. Malas, Georg Hager, Hatem Ltaief, Holger Stengel, Gerhard Wellein, David E. Keyes
2014 A conf
Pipelining Computational Stages of the Tomographic Reconstructor for Multi-Object Adaptive Optics on a Multi-GPU System.
SC
Ali Charara, Hatem Ltaief, Damien Gratadour, David E. Keyes, Arnaud Sevin, Ahmad Abdelfattah, Eric Gendron, Carine Morel, Fabrice Vidal
2014 J jnl
Power profiling of Cholesky and QR factorizations on distributed memory systems.
Comput. Sci. Res. Dev.
George Bosilca, Hatem Ltaief, Jack J. Dongarra
2014 J jnl
Towards energy efficiency and maximum computational intensity for stencil algorithms using wavefront diamond temporal blocking.
CoRR
Tareq M. Malas, Georg Hager, Hatem Ltaief, David E. Keyes
2013 J jnl
High-performance bidiagonal reduction using tile algorithms on homogeneous multicore architectures.
ACM Trans. Math. Softw.
Hatem Ltaief, Piotr Luszczek, Jack J. Dongarra
2012 A conf
A Comprehensive Study of Task Coalescing for Selecting Parallelism Granularity in a Two-Stage Bidiagonal Reduction.
IPDPS
Azzam Haidar, Hatem Ltaief, Piotr Luszczek, Jack J. Dongarra
2012 — conf
Abstract: Matrices Over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2012 J jnl
Data-Driven Execution of Fast Multipole Methods
CoRR
Hatem Ltaief, Rio Yokota
2012 — conf
Energy Footprint of Advanced Dense Numerical Linear Algebra Using Tile Algorithms on Multicore Architectures.
CGC
Jack J. Dongarra, Hatem Ltaief, Piotr Luszczek, Vincent M. Weaver
2012 — conf
Optimizing Memory-Bound SYMV Kernel on GPU Hardware Accelerators.
VECPAR
Ahmad Abdelfattah, Jack J. Dongarra, David E. Keyes, Hatem Ltaief
2012 — conf
Poster: Matrices over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2012 J jnl
Profiling high performance dense linear algebra algorithms on multicore architectures for power and energy efficiency.
Comput. Sci. Res. Dev.
Hatem Ltaief, Piotr Luszczek, Jack J. Dongarra
2012 — conf
Systematic Approach in Optimizing Numerical Memory-Bound Kernels on GPU.
Euro-Par Workshops
Ahmad Abdelfattah, David E. Keyes, Hatem Ltaief
2012 J jnl
Toward a High Performance Tile Divide and Conquer Algorithm for the Dense Symmetric Eigenvalue Problem.
SIAM J. Sci. Comput.
Azzam Haidar, Hatem Ltaief, Jack J. Dongarra
2011 J jnl
Analysis of dynamically scheduled tile algorithms for dense linear algebra on multicore architectures.
Concurr. Comput. Pract. Exp.
Azzam Haidar, Hatem Ltaief, Asim YarKhan, Jack J. Dongarra
2011 — conf
Enhancing Parallelism of Tile Bidiagonal Transformation on Multicore Architectures Using Tree Reduction.
PPAM (1)
Hatem Ltaief, Piotr Luszczek, Jack J. Dongarra
2011 — conf
Exploiting Fine-Grain Parallelism in Recursive LU Factorization.
PARCO
Jack J. Dongarra, Mathieu Faverge, Hatem Ltaief, Piotr Luszczek
2011 — conf
Flexible Development of Dense Linear Algebra Algorithms on Massively Parallel Architectures with DPLASMA.
IPDPS Workshops
George Bosilca, Aurélien Bouteiller, Anthony Danalis, Mathieu Faverge, Azzam Haidar, Thomas Hérault, Jakub Kurzak, Julien Langou, Pierre Lemarinier, Hatem Ltaief, Piotr Luszczek, Asim YarKhan, Jack J. Dongarra
2011 — conf
High performance matrix inversion based on LU factorization for multicore architectures.
MTAGS@SC
Jack J. Dongarra, Mathieu Faverge, Hatem Ltaief, Piotr Luszczek
2011 C conf
LU factorization for accelerator-based systems.
AICCSA
Emmanuel Agullo, Cédric Augonnet, Jack J. Dongarra, Mathieu Faverge, Julien Langou, Hatem Ltaief, Stanimire Tomov
2011 A conf
Parallel reduction to condensed forms for symmetric eigenvalue problems using aggregated fine-grained and memory-aware kernels.
SC
Azzam Haidar, Hatem Ltaief, Jack J. Dongarra
2011 A conf
QR Factorization on a Multicore Node Enhanced with Multiple GPU Accelerators.
IPDPS
Emmanuel Agullo, Cédric Augonnet, Jack J. Dongarra, Mathieu Faverge, Hatem Ltaief, Samuel Thibault, Stanimire Tomov
2011 — conf
Solving the Generalized Symmetric Eigenvalue Problem using Tile Algorithms on Multicore Architectures.
PARCO
Hatem Ltaief, Piotr Luszczek, Azzam Haidar, Jack J. Dongarra
2011 A conf
Two-Stage Tridiagonal Reduction for Dense Symmetric Matrices Using Tile Algorithms on Multicore Architectures.
IPDPS
Piotr Luszczek, Hatem Ltaief, Jack J. Dongarra
2010 — conf
A Scalable High Performant Cholesky Factorization for Multicore with GPU Accelerators.
VECPAR
Hatem Ltaief, Stanimire Tomov, Rajib Nath, Peng Du, Jack J. Dongarra
2010 — conf
Dense linear algebra solvers for multicore with GPU accelerators.
IPDPS Workshops
Stanimire Tomov, Rajib Nath, Hatem Ltaief, Jack J. Dongarra
2010 J jnl
Parallel Two-Sided Matrix Reduction to Band Bidiagonal Form on Multicore Architectures.
IEEE Trans. Parallel Distributed Syst.
Hatem Ltaief, Jakub Kurzak, Jack J. Dongarra
2010 A conf
Scalable Tile Communication-Avoiding QR Factorization on Multicore Cluster Systems.
SC
Fengguang Song, Hatem Ltaief, Bilel Hadri, Jack J. Dongarra
2010 J jnl
Scheduling dense linear algebra operations on multicore processors.
Concurr. Comput. Pract. Exp.
Jakub Kurzak, Hatem Ltaief, Jack J. Dongarra, Rosa M. Badia
2010 J jnl
Scheduling two-sided transformations using tile algorithms on multicore architectures.
Sci. Program.
Hatem Ltaief, Jakub Kurzak, Jack J. Dongarra, Rosa M. Badia
2010 A conf
Tile QR factorization with parallel panel processing for multicore architectures.
IPDPS
Bilel Hadri, Hatem Ltaief, Emmanuel Agullo, Jack J. Dongarra
2009 J jnl
A parallel Aitken-additive Schwarz waveform relaxation suitable for the grid.
Parallel Comput.
Hatem Ltaief, Marc Garbey
2009 A conf
Comparative study of one-sided factorizations with multiple software packages on multi-core hardware.
SC
Emmanuel Agullo, Bilel Hadri, Hatem Ltaief, Jack J. Dongarra
2008 J jnl
Fault tolerant algorithms for heat transfer problems.
J. Parallel Distributed Comput.
Hatem Ltaief, Edgar Gabriel, Marc Garbey
2008 Misc conf
Scheduling for Numerical Linear Algebra Library at Scale.
High Performance Computing Workshop
Jakub Kurzak, Hatem Ltaief, Jack J. Dongarra, Rosa M. Badia
2006 — conf
Parallel Fault Tolerant Algorithms for Parabolic Problems.
Euro-Par
Hatem Ltaief, Marc Garbey, Edgar Gabriel