The general atomic and molecular electronic structure system (GAMESS): novel methods on novel architectures

F Zahariev, P Xu, BM Westheimer, S Webb… - Journal of Chemical …, 2023 - ACS Publications
The primary focus of GAMESS over the last 5 years has been the development of new high-
performance codes that are able to take effective and efficient advantage of the most …

Toward an extreme-scale electronic structure system

JL Galvez Vallejo, C Snowdon, R Stocks… - The Journal of …, 2023 - pubs.aip.org
Electronic structure calculations have the potential to predict key matter transformations for
applications of strategic technological importance, from drug discovery to material science …

Accelerating coupled-cluster calculations with GPUs: An implementation of the density-fitted CCSD (T) approach for heterogeneous computing architectures using …

D Datta, MS Gordon - Journal of Chemical Theory and …, 2023 - ACS Publications
An algorithm is presented for the coupled-cluster singles, doubles, and perturbative triples
correction [CCSD (T)] method based on the density fitting or the resolution-of-the-identity (RI) …

Accelerating Pythonic Coupled-Cluster Implementations: A Comparison Between CPUs and GPUs

MH Kriebel, P Tecmer, M Gałyńska… - Journal of Chemical …, 2024 - ACS Publications
In this work, we benchmark several Python routines for time and memory requirements to
identify the optimal choice of the tensor contraction operations available. We scrutinize how …

LibERI—A portable and performant multi-GPU accelerated library for electron repulsion integrals via OpenMP offloading and standard language parallelism

M Alkan, BQ Pham, D Del Angel Cruz… - The Journal of …, 2024 - pubs.aip.org
A portable and performant graphics processing unit (GPU)-accelerated library for electron
repulsion integral (ERI) evaluation, named LibERI, has been developed and implemented …

Enabling Fortran standard parallelism in GAMESS for accelerated quantum chemistry calculations

M Alkan, BQ Pham, JR Hammond… - Journal of Chemical …, 2023 - ACS Publications
The performance of Fortran 2008 DO CONCURRENT (DC) relative to OpenACC and
OpenMP target offloading (OTO) with different compilers is studied for the GAMESS quantum …

Runtime performance of a gamess quantum chemistry application offloaded to gpus

M Sosonkina, G Mateescu, P Xu… - Concurrency and …, 2024 - Wiley Online Library
Computational chemistry is at the forefront of solving urgent societal problems, such as
polymer upcycling and carbon capture. The complexity of modeling these processes at …

Special Topic on High Performance Computing in Chemical Physics

TP Straatsma, TL Windus, T Nakajima - The Journal of Chemical …, 2023 - pubs.aip.org
Computational modeling and simulation have become indispensable scientific tools in
virtually all areas of chemical, biomolecular, and materials systems research. Computation …