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GronOR: Scalable and Accelerated Non-Orthogonal Configuration Interaction for Molecular Fragment Wave Functions
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GronOR is a program package for nonorthogonalconfiguration interaction calculations. Electronic wave functions are constructed in terms of antisymmetrized products of multiconfiguration molecular fragment wave functions. The computational complexity of the nonorthogonal methodologies implemented in GronOR applied to large molecular assemblies requires a design that takes full advantage of massively parallel supercomputer architectures and accelerator technologies. This work describes the implementation strategy and resulting performance characteristics. In addition to parallelization and acceleration, the software development strategy includes aspects of fault resiliency and heterogeneous computing. The program was designed for large-scale supercomputers but also runs effectively on small clusters and workstations for small molecular systems. GronOR is available as open source to the scientific community.
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STRAATSMA, T. p., BROER, Ria, SANCHEZ-MANSILLA, Aitor, SOUSA ROMERO, Carmen, DE GRAAF, Coen. GronOR: Scalable and Accelerated Non-Orthogonal Configuration Interaction for Molecular Fragment Wave Functions. _Journal of Chemical Theory and Computation_. 2022. Vol. 18, núm. 3549-3565. [consulta: 26 de gener de 2026]. ISSN: 1549-9618. [Disponible a: https://hdl.handle.net/2445/225207]