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ORCIDHatem Ltaief
- > Home > Persons > Hatem Ltaief
Publications
- 2025
[c68]Zipei Geng, Sameh Abdulah, Ying Sun, Hatem Ltaief, David E. Keyes, Marc G. Genton:
GPU-Accelerated Modified Bessel Function of the Second Kind for Gaussian Processes. ISC 2025: 1-12- [i22]Zipei Geng, Sameh Abdulah, Ying Sun, Hatem Ltaief
, David E. Keyes, Marc G. Genton:
GPU-Accelerated Modified Bessel Function of the Second Kind for Gaussian Processes. CoRR abs/2502.00356 (2025) - [i21]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:
Scaled Block Vecchia Approximation for High-Dimensional Gaussian Process Emulation on GPUs. CoRR abs/2504.12004 (2025) - 2024
- [j41]Sameh Abdulah, Jorge Ejarque, Omar Marzouk, Hatem Ltaief, Ying Sun, Marc G. Genton, Rosa M. Badia, David E. Keyes:
Portability and scalability evaluation of large-scale statistical modeling and prediction software through HPC-ready containers. Future Gener. Comput. Syst. 161: 248-258 (2024) - [c65]Xiran Zhang, Sameh Abdulah, Jian Cao, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Parallel Approximations for High-Dimensional Multivariate Normal Probability Computation in Confidence Region Detection Applications. IPDPS 2024: 265-276 - [c63]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:
Boosting Earth System Model Outputs And Saving PetaBytes in Their Storage Using Exascale Climate Emulators. SC 2024: 2 - [c61]Qilong Pan, Sameh Abdulah, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun:
GPU-Accelerated Vecchia Approximations of Gaussian Processes for Geospatial Data using Batched Matrix Computations. ISC 2024: 1-12 - [i19]Qilong Pan, Sameh Abdulah, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun:
GPU-Accelerated Vecchia Approximations of Gaussian Processes for Geospatial Data using Batched Matrix Computations. CoRR abs/2403.07412 (2024) - [i18]Xiran Zhang, Sameh Abdulah, Jian Cao, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Parallel Approximations for High-Dimensional Multivariate Normal Probability Computation in Confidence Region Detection Applications. CoRR abs/2405.14892 (2024) - 2023
- [j38]Sagnik Mondal, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Tile low-rank approximations of non-Gaussian space and space-time Tukey g-and-h random field likelihoods and predictions on large-scale systems. J. Parallel Distributed Comput. 180: 104715 (2023) - [i15]Sameh Abdulah, Jorge Ejarque, Omar Marzouk, Hatem Ltaief, Ying Sun, Marc G. Genton, Rosa M. Badia, David E. Keyes:
Portability and Scalability Evaluation of Large-Scale Statistical Modeling and Prediction Software through HPC-Ready Containers. CoRR abs/2312.07748 (2023) - 2022
- [j33]Sameh Abdulah, Qinglei Cao, Yu Pei, George Bosilca, Jack J. Dongarra, Marc G. Genton, David E. Keyes, Hatem Ltaief, Ying Sun:
Accelerating Geostatistical Modeling and Prediction With Mixed-Precision Computations: A High-Productivity Approach With PaRSEC. IEEE Trans. Parallel Distributed Syst. 33(4): 964-976 (2022) - [c52]Sagnik Mondal, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Parallel Approximations of the Tukey g-and-h Likelihoods and Predictions for Non-Gaussian Geostatistics. IPDPS 2022: 379-389 - [c50]Mary Lai O. Salvaña, Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Parallel space-time likelihood optimization for air pollution prediction on large-scale systems. PASC 2022: 17:1-17:11 - [c49]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:
Reshaping Geostatistical Modeling and Prediction for Extreme-Scale Environmental Applications. SC 2022: 2:1-2:12 - 2021
- [j31]Mary Lai O. Salvaña, Sameh Abdulah, Huang Huang, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
High Performance Multivariate Geospatial Statistics on Manycore Systems. IEEE Trans. Parallel Distributed Syst. 32(11): 2719-2733 (2021) - 2020
- [i12]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Geostatistical Modeling and Prediction Using Mixed-Precision Tile Cholesky Factorization. CoRR abs/2003.05324 (2020) - [i11]Mary Lai O. Salvaña, Sameh Abdulah, Huang Huang, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
High Performance Multivariate Spatial Modeling for Geostatistical Data on Manycore Systems. CoRR abs/2008.07437 (2020) - 2019
- [c40]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Geostatistical Modeling and Prediction Using Mixed Precision Tile Cholesky Factorization. HiPC 2019: 152-162 - [i10]Sameh Abdulah, Yuxiao Li, Jian Cao, Hatem Ltaief, David E. Keyes, Marc G. Genton, Ying Sun:
ExaGeoStatR: A Package for Large-Scale Geostatistics in R. CoRR abs/1908.06936 (2019) - 2018
- [j21]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
ExaGeoStat: A High Performance Unified Software for Geostatistics on Manycore Systems. IEEE Trans. Parallel Distributed Syst. 29(12): 2771-2784 (2018) - [c36]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Parallel Approximation of the Maximum Likelihood Estimation for the Prediction of Large-Scale Geostatistics Simulations. CLUSTER 2018: 98-108 - [i9]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
Tile Low-Rank Approximation of Large-Scale Maximum Likelihood Estimation on Manycore Architectures. CoRR abs/1804.09137 (2018) - 2017
- [i7]Sameh Abdulah, Hatem Ltaief, Ying Sun, Marc G. Genton, David E. Keyes:
ExaGeoStat: A High Performance Unified Framework for Geostatistics on Manycore Systems. CoRR abs/1708.02835 (2017)
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