Massively parallel implementation of 3D-RISM calculation with volumetric 3D-FFT

Copyright © 2014 Wiley Periodicals, Inc.

Bibliographische Detailangaben
Veröffentlicht in:Journal of computational chemistry. - 1984. - 35(2014), 18 vom: 05. Juli, Seite 1347-55
1. Verfasser: Maruyama, Yutaka (VerfasserIn)
Weitere Verfasser: Yoshida, Norio, Tadano, Hiroto, Takahashi, Daisuke, Sato, Mitsuhisa, Hirata, Fumio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of computational chemistry
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 3D-FFT 3D-RISM theory massively parallel machine Peptides Plant Proteins Polymers chymotrypsin inhibitor 2
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520 |a A new three-dimensional reference interaction site model (3D-RISM) program for massively parallel machines combined with the volumetric 3D fast Fourier transform (3D-FFT) was developed, and tested on the RIKEN K supercomputer. The ordinary parallel 3D-RISM program has a limitation on the number of parallelizations because of the limitations of the slab-type 3D-FFT. The volumetric 3D-FFT relieves this limitation drastically. We tested the 3D-RISM calculation on the large and fine calculation cell (2048(3) grid points) on 16,384 nodes, each having eight CPU cores. The new 3D-RISM program achieved excellent scalability to the parallelization, running on the RIKEN K supercomputer. As a benchmark application, we employed the program, combined with molecular dynamics simulation, to analyze the oligomerization process of chymotrypsin Inhibitor 2 mutant. The results demonstrate that the massive parallel 3D-RISM program is effective to analyze the hydration properties of the large biomolecular systems 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a 3D-FFT 
650 4 |a 3D-RISM theory 
650 4 |a massively parallel machine 
650 7 |a Peptides  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Polymers  |2 NLM 
650 7 |a chymotrypsin inhibitor 2  |2 NLM 
700 1 |a Yoshida, Norio  |e verfasserin  |4 aut 
700 1 |a Tadano, Hiroto  |e verfasserin  |4 aut 
700 1 |a Takahashi, Daisuke  |e verfasserin  |4 aut 
700 1 |a Sato, Mitsuhisa  |e verfasserin  |4 aut 
700 1 |a Hirata, Fumio  |e verfasserin  |4 aut 
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