R
Rik J. Littlefield
Researcher at Pacific Northwest National Laboratory
Publications - 8
Citations - 829
Rik J. Littlefield is an academic researcher from Pacific Northwest National Laboratory. The author has contributed to research in topics: Programming paradigm & Scalability. The author has an hindex of 6, co-authored 8 publications receiving 451 citations.
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NWChem: Past, present, and future
Edoardo Aprà,Eric J. Bylaska,W. A. de Jong,Niranjan Govind,Karol Kowalski,T. P. Straatsma,Marat Valiev,H. J. J. van Dam,Yuri Alexeev,J. Anchell,V. Anisimov,Fredy W. Aquino,Raymond Atta-Fynn,Jochen Autschbach,Nicholas P. Bauman,Jeffrey C. Becca,David E. Bernholdt,K. Bhaskaran-Nair,Stuart Bogatko,Piotr Borowski,Jeffery S. Boschen,Jiří Brabec,Adam Bruner,Emilie Cauet,Y. Chen,Gennady N. Chuev,Christopher J. Cramer,Jeff Daily,M. J. O. Deegan,Thom H. Dunning,Michel Dupuis,Kenneth G. Dyall,George I. Fann,Sean A. Fischer,Alexandr Fonari,Herbert A. Früchtl,Laura Gagliardi,Jorge Garza,Nitin A. Gawande,Soumen Ghosh,Kurt R. Glaesemann,Andreas W. Götz,Jeff R. Hammond,Volkhard Helms,Eric D. Hermes,Kimihiko Hirao,So Hirata,Mathias Jacquelin,Lasse Jensen,Benny G. Johnson,Hannes Jónsson,Ricky A. Kendall,Michael Klemm,Rika Kobayashi,V. Konkov,Sriram Krishnamoorthy,M. Krishnan,Zijing Lin,Roberto D. Lins,Rik J. Littlefield,Andrew J. Logsdail,Kenneth Lopata,Wan Yong Ma,Aleksandr V. Marenich,J. Martin del Campo,Daniel Mejía-Rodríguez,Justin E. Moore,Jonathan M. Mullin,Takahito Nakajima,Daniel R. Nascimento,Jeffrey A. Nichols,P. J. Nichols,J. Nieplocha,Alberto Otero-de-la-Roza,Bruce J. Palmer,Ajay Panyala,T. Pirojsirikul,Bo Peng,Roberto Peverati,Jiri Pittner,L. Pollack,Ryan M. Richard,P. Sadayappan,George C. Schatz,William A. Shelton,Daniel W. Silverstein,D. M. A. Smith,Thereza A. Soares,Duo Song,Marcel Swart,H. L. Taylor,G. S. Thomas,Vinod Tipparaju,Donald G. Truhlar,Kiril Tsemekhman,T. Van Voorhis,Álvaro Vázquez-Mayagoitia,Prakash Verma,Oreste Villa,Abhinav Vishnu,Konstantinos D. Vogiatzis,Dunyou Wang,John H. Weare,Mark J. Williamson,Theresa L. Windus,Krzysztof Wolinski,A. T. Wong,Qin Wu,Chan-Shan Yang,Q. Yu,Martin Zacharias,Zhiyong Zhang,Yan Zhao,Robert W. Harrison +113 more
TL;DR: The NWChem computational chemistry suite is reviewed, including its history, design principles, parallel tools, current capabilities, outreach, and outlook.
Journal ArticleDOI
NWChem: Past, Present, and Future
Edoardo Aprà,Eric J. Bylaska,W. A. de Jong,Niranjan Govind,Karol Kowalski,T. P. Straatsma,Marat Valiev,H. J. J. van Dam,Yuri Alexeev,James L. Anchell,Victor M. Anisimov,Fredy W. Aquino,Raymond Atta-Fynn,Jochen Autschbach,Nicholas P. Bauman,Jeffrey C. Becca,David E. Bernholdt,Kiran Bhaskaran-Nair,Stuart Bogatko,Piotr Borowski,Jeffrey Scott Boschen,Jiří Brabec,Adam Bruner,Emilie Cauet,Y. Chen,Gennady N. Chuev,Christopher J. Cramer,Jeff Daily,M. J. O. Deegan,Thomas Dunning,Michel Dupuis,Kenneth G. Dyall,George I. Fann,Sean A. Fischer,Alexandr Fonari,H. Früuchtl,Laura Gagliardi,Jorge Garza,Nitin A. Gawande,Sayan Ghosh,Kurt R. Glaesemann,Andreas W. Götz,Jeff R. Hammond,Volkhard Helms,Eric D. Hermes,Kimihiko Hirao,So Hirata,Mathias Jacquelin,Lasse Jensen,Benny G. Johnson,Hannes Jónsson,Ricky A. Kendall,Michael Klemm,Rika Kobayashi,V. Konkov,Sriram Krishnamoorthy,Manojkumar Krishnan,Zijing Lin,Roberto D. Lins,Rik J. Littlefield,Andrew J. Logsdail,Kenneth Lopata,Wan Yong Ma,Aleksandr V. Marenich,J. Martin del Campo,Daniel Mejía-Rodríguez,Justin E. Moore,Jonathan M. Mullin,Takahito Nakajima,Daniel R. Nascimento,Jeffrey A. Nichols,Patrick Nichols,J. Nieplocha,A. Otero de la Roza,Bruce J. Palmer,Ajay Panyala,T. Pirojsirikul,Bo Peng,Roberto Peverati,Jiri Pittner,L. Pollack,Ryan M. Richard,P. Sadayappan,George C. Schatz,William A. Shelton,Daniel W. Silverstein,Dayle M. A. Smith,Thereza A. Soares,Duo Song,Marcel Swart,H. L. Taylor,G. S. Thomas,Vinod Tipparaju,Donald G. Truhlar,Kiril Tsemekhman,T. Van Voorhis,Álvaro Vázquez-Mayagoitia,Prakash Verma,Oreste Villa,Abhinav Vishnu,Konstantinos D. Vogiatzis,Dunyou Wang,John H. Weare,Mark J. Williamson,T. L. Windus,Krzysztof Wolinski,A. T. Wong,Qin Wu,Chan-Shan Yang,Q. Yu,Martin Zacharias,Zhiyong Zhang,Yan Zhao,Robert W. Harrison +113 more
TL;DR: The NWChem computational chemistry suite as discussed by the authors provides tools to support and guide experimental efforts and for the prediction of atomistic and electronic properties by using first-principledriven methodologies to model complex chemical and materials processes.
Journal ArticleDOI
Toward high‐performance computational chemistry: II. A scalable self‐consistent field program
Robert W. Harrison,M. F. Guest,Rick A. Kendall,David E. Bernholdt,Adrian T. Wong,Mark Stave,James L. Anchell,Anthony C. Hess,Rik J. Littlefield,George L. Fann,J. Nieplocha,Greg S. Thomas,David Elwood,Jeffrey L. Tilson,Ron Shepard,Albert F. Wagner,Ian Foster,Ewing Lusk,Rick Stevens +18 more
TL;DR: These tools are used to develop a highly efficient and scalable algorithm to perform self‐consistent field calculations on molecular systems and exploit all available sparsity by strip mining over atoms.
Journal ArticleDOI
Toward high‐performance computational chemistry: I. Scalable Fock matrix construction algorithms
Ian Foster,Jeffrey L. Tilson,Albert F. Wagner,Ron Shepard,Robert W. Harrison,Ricky A. Kendall,Rik J. Littlefield +6 more
TL;DR: Several parallel algorithms for Fock matrix construction are described and shown to be highly efficient for problems of moderate size, with communication volume scaling down with computation costs.
Supplementary Material (ESI) for PCCP This journal is © the Owner Societies 2011 The Energetics of Covalent and Non-covalent Binding in Complexes Containing Phosphate and Cationic Amino Groups
Julia Laskin,Zhibo Yang,Amina S. Woods,Eric J. Bylaska,W. A. de Jong,Niranjan Govind,Karol Kowalski,T. P. Straatsma,Marat Valiev,Edoardo Aprà,T. L. Windus,Jeff R. Hammond,Patrick Nichols,So Hirata,M. T. Hackler,Yan Zhao,Robert W. Harrison,Michel Dupuis,Dayle M. A. Smith,J. Nieplocha,Vinod Tipparaju,Manojkumar Krishnan,T. Van Voorhis,A. A. Auer,M. Nooijen,E. Brown,G. Cisneros,George I. Fann,Herbert A. Früchtl,Kimihiko Hirao,Ricky A. Kendall,Jeffrey A. Nichols,Kiril Tsemekhman,Krzysztof Wolinski,James L. Anchell,Piotr Borowski,T. Clark,D. Clerc,H. Dachsel,M. J. O. Deegan,Kenneth G. Dyall,D. Elwood,M. Gutowski,A. Hess,J. Jaffe,Benny G. Johnson,J. Ju,Rika Kobayashi,R. Kutteh,Zijing Lin,Rik J. Littlefield,B. Meng,Takahito Nakajima,S. Niu,L. Pollack,M. Rosing,G. Sandrone,H. L. Taylor,G. S. Thomas,J. van Lenthe,A. T. Wong,Zhiyong Zhang +61 more