Nathan Wichmann

According to our database, Nathan Wichmann authored at least 12 papers between 2010 and 2019.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2019

Large-scale GW calculations on pre-exascale HPC systems.

Mauro Del Ben, Felipe H. da Jornada, Andrew Canning, Nathan Wichmann, Karthik Raman, Ruchira Sasanka, Chao Yang, Steven G. Louie, Jack Deslippe

Comput. Phys. Commun., 2019

Eigensolver performance comparison on Cray XC systems.

Brandon Cook, Thorsten Kurth, Jack Deslippe, Pierre Carrier, Nick Hill, Nathan Wichmann

Concurr. Comput. Pract. Exp., 2019

GPCNeT: designing a benchmark suite for inducing and measuring contention in HPC networks.

Sudheer Chunduri, Taylor L. Groves, Peter Mendygral, Brian Austin, Jacob Balma, Krishna Kandalla, Kalyan Kumaran, Glenn K. Lockwood, Scott Parker, Steven Warren, Nathan Wichmann, Nicholas J. Wright

Proceedings of the International Conference for High Performance Computing, 2019

2017

Improved treatment of exact exchange in Quantum ESPRESSO.

Taylor Barnes, Thorsten Kurth, Pierre Carrier, Nathan Wichmann, David Prendergast, Paul R. C. Kent, Jack Deslippe

Comput. Phys. Commun., 2017

2016

Optimizing Excited-State Electronic-Structure Codes for Intel Knights Landing: A Case Study on the BerkeleyGW Software.

Jack Deslippe, Felipe H. da Jornada, Derek Vigil-Fowler, Taylor Barnes, Nathan Wichmann, Karthik Raman, Ruchira Sasanka, Steven G. Louie

Proceedings of the High Performance Computing, 2016

High Performance Optimizations for Nuclear Physics Code MFDn on KNL.

Brandon Cook, Pieter Maris, Meiyue Shao, Nathan Wichmann, Marcus Wagner, John O'Neill, Thanh Phung, Gaurav Bansal

Proceedings of the High Performance Computing, 2016

Evaluating and Optimizing the NERSC Workload on Knights Landing.

Taylor Barnes, Brandon Cook, Jack Deslippe, Douglas Doerfler, Brian Friesen, Yun (Helen) He, Thorsten Kurth, Tuomas Koskela, Mathieu Lobet, Tareq M. Malas, Leonid Oliker, Andrey Ovsyannikov, Abhinav Sarje, Jean-Luc Vay, Henri Vincenti, Samuel Williams, Pierre Carrier, Nathan Wichmann, Marcus Wagner, Paul R. C. Kent, Christopher Kerr, John M. Dennis

Proceedings of the 7th International Workshop on Performance Modeling, 2016

Enhancing Scalability and Load Balancing of Parallel Selected Inversion via Tree-Based Asynchronous Communication.

Mathias Jacquelin, Lin Lin, Nathan Wichmann, Chao Yang

Proceedings of the 2016 IEEE International Parallel and Distributed Processing Symposium, 2016

2015

Enhancing the scalability and load balancing of the parallel selected inversion algorithm via tree-based asynchronous communication.

Mathias Jacquelin, Lin Lin, Nathan Wichmann, Chao Yang

CoRR, 2015

2012

A preliminary evaluation of the hardware acceleration of the Cray Gemini interconnect for PGAS languages and comparison with MPI.

Hongzhang Shan, Nicholas J. Wright, John Shalf, Katherine A. Yelick, Marcus Wagner, Nathan Wichmann

SIGMETRICS Perform. Evaluation Rev., 2012

2011

Multithreaded global address space communication techniques for gyrokinetic fusion applications on ultra-scale platforms.

Robert Preissl, Nathan Wichmann, Bill Long, John Shalf, Stéphane Ethier, Alice E. Koniges

Proceedings of the Conference on High Performance Computing Networking, 2011

2010

Overlapping communication with computation using OpenMP tasks on the GTS magnetic fusion code.

Robert Preissl, Alice E. Koniges, Stéphane Ethier, Weixing Wang, Nathan Wichmann

Sci. Program., 2010