Implementation of relativistic coupled ...
Type de document :
Compte-rendu et recension critique d'ouvrage
DOI :
Titre :
Implementation of relativistic coupled cluster theory for massively parallel GPU-accelerated computing architectures
Auteur(s) :
Pototschnig, Johann V. [Auteur correspondant]
Papadopoulos, Anastasios [Auteur correspondant]
Lyakh, Dmitry I. [Auteur]
Repisky, Michal [Auteur]
Halbert, Loïc [Auteur]
Physico-Chimie Moléculaire Théorique [PCMT]
Severo Pereira Gomes, Andre [Auteur]
Physico-Chimie Moléculaire Théorique [PCMT]
Jensen, Hans Jørgen Aa. [Auteur correspondant]
University of Southern Denmark [SDU]
Visscher, Lucas [Auteur correspondant]
Papadopoulos, Anastasios [Auteur correspondant]
Lyakh, Dmitry I. [Auteur]
Repisky, Michal [Auteur]
Halbert, Loïc [Auteur]
Physico-Chimie Moléculaire Théorique [PCMT]
Severo Pereira Gomes, Andre [Auteur]
Physico-Chimie Moléculaire Théorique [PCMT]
Jensen, Hans Jørgen Aa. [Auteur correspondant]
University of Southern Denmark [SDU]
Visscher, Lucas [Auteur correspondant]
Titre de la revue :
Journal of Chemical Theory and Computation
Pagination :
5509--5529
Éditeur :
American Chemical Society
Date de publication :
2021-08-09
ISSN :
1549-9618
Discipline(s) HAL :
Chimie/Chimie théorique et/ou physique
Physique [physics]/Physique [physics]/Chimie-Physique [physics.chem-ph]
Physique [physics]/Physique [physics]/Chimie-Physique [physics.chem-ph]
Résumé en anglais : [en]
In this paper, we report a reimplementation of the core algorithms of relativistic coupled cluster theory aimed at modern heterogeneous high-performance computational infrastructures. The code is designed for efficient ...
Lire la suite >In this paper, we report a reimplementation of the core algorithms of relativistic coupled cluster theory aimed at modern heterogeneous high-performance computational infrastructures. The code is designed for efficient parallel execution on many compute nodes with optional GPU coprocessing, accomplished via the new ExaTENSOR back end. The resulting ExaCorr module is primarily intended for calculations of molecules with one or more heavy elements, as relativistic effects on electronic structure are included from the outset. In the current work, we thereby focus on exact 2-component methods and demonstrate the accuracy and performance of the software. The module can be used as a stand-alone program requiring a set of molecular orbital coefficients as starting point, but is also interfaced to the DIRAC program that can be used to generate these. We therefore also briefly discuss an improvement of the parallel computing aspects of the relativistic self-consistent field algorithm of the DIRAC program.Lire moins >
Lire la suite >In this paper, we report a reimplementation of the core algorithms of relativistic coupled cluster theory aimed at modern heterogeneous high-performance computational infrastructures. The code is designed for efficient parallel execution on many compute nodes with optional GPU coprocessing, accomplished via the new ExaTENSOR back end. The resulting ExaCorr module is primarily intended for calculations of molecules with one or more heavy elements, as relativistic effects on electronic structure are included from the outset. In the current work, we thereby focus on exact 2-component methods and demonstrate the accuracy and performance of the software. The module can be used as a stand-alone program requiring a set of molecular orbital coefficients as starting point, but is also interfaced to the DIRAC program that can be used to generate these. We therefore also briefly discuss an improvement of the parallel computing aspects of the relativistic self-consistent field algorithm of the DIRAC program.Lire moins >
Langue :
Anglais
Vulgarisation :
Non
Projet ANR :
Source :
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- acs.jctc.1c00260.pdf
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- 2103.08473
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