James Austin Harris

According to our database, James Austin Harris authored at least 12 papers between 2012 and 2025.

Collaborative distances:

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

2025

DG-IMEX method for a two-moment model for radiation transport in the O(v/c) limit.

M. Paul Laiu, Eirik Endeve, James Austin Harris, Zachary Elledge, Anthony Mezzacappa

J. Comput. Phys., 2025

2024

Performance Porting the ExaStar Multi-Physics App Thornado On Heterogeneous Systems - A Fortran-OpenMP Code-Base Evaluation.

Mathialakan Thavappiragasam, James Austin Harris, Eirik Endeve, Brice Videau

Proceedings of the Advancing OpenMP for Future Accelerators, 2024

2023

Application Experiences on a GPU-Accelerated Arm-based HPC Testbed.

Wael R. Elwasif, William F. Godoy, Nick Hagerty, James Austin Harris, Oscar R. Hernandez, Bálint Joó, Paul R. C. Kent, Damien Lebrun-Grandié, Elijah A. MacCarthy, Verónica G. Melesse Vergara, Bronson Messer, Ross Miller, Sarp Oral, Sergei I. Bastrakov, Michael Bussmann, Alexander Debus, Klaus Steiniger, Jan Stephan, René Widera, Spencer H. Bryngelson, Henry Le Berre, Anand Radhakrishnan, Jeffrey Young, Sunita Chandrasekaran, Florina M. Ciorba, Osman Simsek, Kate Clark, Filippo Spiga, Jeff R. Hammond, John E. Stone, David J. Hardy, Sebastian Keller, Jean-Guillaume Piccinali, Christian Trott

Proceedings of the HPC Asia 2023 Workshops, 2023

2022

Flash-X: A multiphysics simulation software instrument.

Anshu Dubey, Klaus Weide, Jared O'Neal, Akash Dhruv, Sean M. Couch, James Austin Harris, Tom Klosterman, Rajeev Jain, Johann Rudi, Bronson Messer, Michael Pajkos, Jared Carlson, Ran Chu, Mohamed Wahib, Saurabh Chawdhary, Paul M. Ricker, Dongwook Lee, Katie Antypas, Katherine M. Riley, Christopher S. Daley, Murali K. Ganapathy, Francis X. Timmes, Dean M. Townsley, Marcos Vanella, John Bachan, Paul M. Rich, Shravan Kumar, Eirik Endeve, W. Raphael Hix, Anthony Mezzacappa, Thomas Papatheodore

SoftwareX, 2022

Exascale models of stellar explosions: Quintessential multi-physics simulation.

James Austin Harris, Ran Chu, Sean M. Couch, Anshu Dubey, Eirik Endeve, Antigoni Georgiadou, Rajeev Jain, Daniel Kasen, M. Paul Laiu, O. E. Bronson Messer, Jared O'Neal, Michael A. Sandoval, Klaus Weide

Int. J. High Perform. Comput. Appl., 2022

Early Application Experiences on a Modern GPU-Accelerated Arm-based HPC Platform.

Wael R. Elwasif, Sergei I. Bastrakov, Spencer H. Bryngelson, Michael Bussmann, Sunita Chandrasekaran, Florina M. Ciorba, Michael A. Clark, Alexander Debus, William F. Godoy, Nick Hagerty, Jeff R. Hammond, David J. Hardy, James Austin Harris, Oscar R. Hernandez, Bálint Joó, Sebastian Keller, Paul R. C. Kent, Henry Le Berre, Damien Lebrun-Grandié, Elijah A. MacCarthy, Verónica G. Melesse Vergara, Bronson Messer, Ross Miller, Sarp Oral, Jean-Guillaume Piccinali, Anand Radhakrishnan, Osman Simsek, Filippo Spiga, Klaus Steiniger, Jan Stephan, John E. Stone, Christian Trott, René Widera, Jeffrey Young

CoRR, 2022

Performance Debugging and Tuning of Flash-X with Data Analysis Tools.

Kevin A. Huck, Xingfu Wu, Anshu Dubey, Antigoni Georgiadou, James Austin Harris, Tom Klosterman, Matthew Trappett, Klaus Weide

Proceedings of the IEEE/ACM Workshop on Programming and Performance Visualization Tools, 2022

Accelerating Flash-X Simulations with Asynchronous I/O.

Rajeev Jain, Houjun Tang, Akash Dhruv, James Austin Harris, Suren Byna

Proceedings of the IEEE/ACM International Parallel Data Systems Workshop, 2022

2020

Pre-exascale accelerated application development: The ORNL Summit experience.

Lixiang Luo, Tjerk P. Straatsma, Luis Enrique Aguilar-Suárez, Ria Broer, Dmytro Bykov, Eduardo F. D'Azevedo, Shirin S. Faraji, Kalyana C. Gottiparthi, Coen de Graaf, James Austin Harris, Remco W. A. Havenith, Hans Jørgen Aagard Jensen, Wayne Joubert, R. K. Kathir, Jeff Larkin, Ying Wai Li, Dmitry I. Lyakh, O. E. Bronson Messer, Matthew R. Norman, Joseph C. Oefelein, Ramanan Sankaran, Andreas F. Tillack, Ashleigh L. Barnes, Lucas Visscher, Jack C. Wells, Meilani Wibowo

IBM J. Res. Dev., 2020

2019

Simulation Planning Using Component Based Cost Model.

Anshu Dubey, Saurabh Chawdhary, James Austin Harris, Bronson Messer

Proceedings of the IEEE International Parallel and Distributed Processing Symposium Workshops, 2019

2014

LU Factorization of Small Matrices: Accelerating Batched DGETRF on the GPU.

Tingxing Dong, Azzam Haidar, Piotr Luszczek, James Austin Harris, Stanimire Tomov, Jack J. Dongarra

Proceedings of the 2014 IEEE International Conference on High Performance Computing and Communications, 2014

2012

Multicore and Accelerator Development for a Leadership-Class Stellar Astrophysics Code.

O. E. Bronson Messer, James Austin Harris, Suzanne Parete-Koon, Merek A. Chertkow

Proceedings of the Applied Parallel and Scientific Computing, 2012