Stephen J. Thomas

According to our database, Stephen J. Thomas authored at least 36 papers between 1990 and 2024.

Collaborative distances:

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

2024

Iterated Gauss-Seidel GMRES.

Stephen J. Thomas, Erin C. Carson, Miroslav Rozlozník, Arielle Carr, Katarzyna Swirydowicz

SIAM J. Sci. Comput., 2024

2022

Linear solvers for power grid optimization problems: A review of GPU-accelerated linear solvers.

Kasia Swirydowicz, Eric Darve, Wesley B. Jones, Jonathan Maack, Shaked Regev, Michael A. Saunders, Stephen J. Thomas, Slaven Peles

Parallel Comput., 2022

Low-synch Gram-Schmidt with delayed reorthogonalization for Krylov solvers.

Daniel Bielich, Julien Langou, Stephen J. Thomas, Kasia Swirydowicz, Ichitaro Yamazaki, Erik G. Boman

Parallel Comput., 2022

Post-Modern GMRES.

Stephen J. Thomas, Erin C. Carson, Miro Rozlozník, Arielle Carr, Kasia Swirydowicz

CoRR, 2022

2021

Low synchronization Gram-Schmidt and generalized minimal residual algorithms.

Katarzyna Swirydowicz, Julien Langou, Shreyas Ananthan, Ulrike Meier Yang, Stephen J. Thomas

Numer. Linear Algebra Appl., 2021

Overset meshes for incompressible flows: On preserving accuracy of underlying discretizations.

Ashesh Sharma, Shreyas Ananthan, Jayanarayanan Sitaraman, Stephen J. Thomas, Michael A. Sprague

J. Comput. Phys., 2021

A survey of numerical linear algebra methods utilizing mixed-precision arithmetic.

Ahmad Abdelfattah, Hartwig Anzt, Erik G. Boman, Erin C. Carson, Terry Cojean, Jack J. Dongarra, Alyson Fox, Mark Gates, Nicholas J. Higham, Xiaoye S. Li, Jennifer A. Loe, Piotr Luszczek, Srikara Pranesh, Siva Rajamanickam, Tobias Ribizel, Barry F. Smith, Kasia Swirydowicz, Stephen J. Thomas, Stanimire Tomov, Yaohung M. Tsai, Ulrike Meier Yang

Int. J. High Perform. Comput. Appl., 2021

Neumann Series in GMRES and Algebraic Multigrid Smoothers.

Stephen J. Thomas, Arielle Carr, Paul Mullowney, Ruipeng Li, Kasia Swirydowicz

CoRR, 2021

ILUT Smoothers for Hybrid C-AMG with Scaled Triangular Factors.

Stephen J. Thomas, Arielle Carr, Kasia Swirydowicz, Marc Day

CoRR, 2021

Two-Stage Gauss-Seidel Preconditioners and Smoothers for Krylov Solvers on a GPU cluster.

Luc Berger-Vergiat, Brian Kelley, Sivasankaran Rajamanickam, Jonathan J. Hu, Katarzyna Swirydowicz, Paul Mullowney, Stephen J. Thomas, Ichitaro Yamazaki

CoRR, 2021

Preparing an incompressible-flow fluid dynamics code for exascale-class wind energy simulations.

Paul Mullowney, Ruipeng Li, Stephen J. Thomas, Shreyas Ananthan, Ashesh Sharma, Jon S. Rood, Alan B. Williams, Michael A. Sprague

Proceedings of the International Conference for High Performance Computing, 2021

2020

An overview of block Gram-Schmidt methods and their stability properties.

Erin C. Carson, Kathryn Lund, Miroslav Rozlozník, Stephen J. Thomas

CoRR, 2020

A Survey of Numerical Methods Utilizing Mixed Precision Arithmetic.

Ahmad Abdelfattah, Hartwig Anzt, Erik G. Boman, Erin C. Carson, Terry Cojean, Jack J. Dongarra, Mark Gates, Thomas Grützmacher, Nicholas J. Higham, Xiaoye Sherry Li, Neil Lindquist, Yang Liu, Jennifer A. Loe, Piotr Luszczek, Pratik Nayak, Srikara Pranesh, Sivasankaran Rajamanickam, Tobias Ribizel, Barry Smith, Kasia Swirydowicz, Stephen J. Thomas, Stanimire Tomov, Yaohung M. Tsai, Ichitaro Yamazaki, Ulrike Meier Yang

CoRR, 2020

Low-synchronization orthogonalization schemes for <i>s</i>-step and pipelined Krylov solvers in Trilinos.

Ichitaro Yamazaki, Stephen J. Thomas, Mark Hoemmen, Erik G. Boman, Katarzyna Swirydowicz, James J. Elliott

Proceedings of the 2020 SIAM Conference on Parallel Processing for Scientific Computing, 2020

2019

A Comparison of Classical and Aggregation-Based Algebraic Multigrid Preconditioners for High-Fidelity Simulation of Wind Turbine Incompressible Flows.

Stephen J. Thomas, Shreyas Ananthan, Shashank Yellapantula, Jonathan J. Hu, Michael Lawson, Mary Ann Sprague

SIAM J. Sci. Comput., 2019

2018

Low synchronization GMRES algorithms.

Kasia Swirydowicz, Julien Langou, Shreyas Ananthan, Ulrike Meier Yang, Stephen J. Thomas

CoRR, 2018

2012

A Real-Time Method to Detect and Track Moving Objects (DATMO) from Unmanned Aerial Vehicles (UAVs) Using a Single Camera.

Gonzalo R. Rodríguez-Canosa, Stephen J. Thomas, Jaime del Cerro, Antonio Barrientos, Bruce A. MacDonald

Remote. Sens., 2012

2010

Real-Time Robust Image Feature Description and Matching.

Stephen J. Thomas, Bruce A. MacDonald, Karl A. Stol

Proceedings of the Computer Vision - ACCV 2010, 2010

2007

Optimized Multiplicative, Additive, and Restricted Additive Schwarz Preconditioning.

Amik St.-Cyr, Martin J. Gander, Stephen J. Thomas

SIAM J. Sci. Comput., 2007

2005

The NCAR Spectral Element Climate Dynamical Core: Semi-Implicit Eulerian Formulation.

Stephen J. Thomas, Richard D. Loft

J. Sci. Comput., 2005

High-Resolution Mesh Convergence Properties and Parallel Efficiency of a Spectral Element Atmospheric Dynamical Core.

John M. Dennis, Aimé Fournier, William F. Spotz, Amik St.-Cyr, Mark A. Taylor, Stephen J. Thomas, Henry M. Tufo

Int. J. High Perform. Comput. Appl., 2005

On the Accuracy of High-Order Finite Elements in Curvilinear Coordinates.

Stephen J. Thomas, Amik St.-Cyr

Proceedings of the Computational Science, 2005

Nonlinear OIFS for a Hybrid Galerkin Atmospheric Model.

Amik St.-Cyr, Stephen J. Thomas

Proceedings of the Computational Science, 2005

High-Order Finite Element Methods for Parallel Atmospheric Modeling.

Amik St.-Cyr, Stephen J. Thomas

Proceedings of the Computational Science, 2005

2003

A Schwarz Preconditioner for the Cubed-Sphere.

Stephen J. Thomas, John M. Dennis, Henry M. Tufo, Paul F. Fischer

SIAM J. Sci. Comput., 2003

2002

Semi-Implicit Spectral Element Atmospheric Model.

Stephen J. Thomas, Richard D. Loft

J. Sci. Comput., 2002

Parallel implementation issues: global versus local methods.

Stephen J. Thomas, Richard D. Loft, John M. Dennis

Comput. Sci. Eng., 2002

2001

Terascale spectral element dynamical core for atmospheric general circulation models.

Richard D. Loft, Stephen J. Thomas, John M. Dennis

Proceedings of the 2001 ACM/IEEE conference on Supercomputing, 2001

2000

Performance of MC2 and the ECMWF IFS forecast model on the Fujitsu VPP700 and NEC SX-4M.

Michel Desgagné, Stephen J. Thomas, Michel Valin

Sci. Program., 2000

Parallel Semi-Implicit Spectral Element Methods for Atmospheric General Circulation Models.

Stephen J. Thomas, Richard D. Loft

J. Sci. Comput., 2000

1997

Massively Parallel Implementation of the Mesoscale Compressible Community Model.

Stephen J. Thomas, Andrei V. Malevsky, Michel Desgagné, Robert Benoit, Pierre Pellerin, Michel Valin

Parallel Comput., 1997

1996

Parallel simulation of compressible atmospheric flows: bubble convection.

Andrei V. Malevsky, Stephen J. Thomas, Robert Benoit, Michel Desgagné, Pierre Pellerin

Proceedings of the EUROSIM'96, 1996

1995

Massively parallel semi-Lagrangian advection.

Stephen J. Thomas, J. Côté

Simul. Pract. Theory, 1995

1994

Parallel Semi-Lagrangian Advection using PVM.

Stephen J. Thomas, J. Côté

Proceedings of the Massively Parallel Processing Applications and Develompent, 1994

1992

A parallel Monte Carlo search algorithm for the conformational analysis of polypeptides.

Daniel R. Ripoll, Stephen J. Thomas

J. Supercomput., 1992

1990

A parallel Monte Carlo search algorithm for the conformational analysis of proteins.

Daniel R. Ripoll, Stephen J. Thomas

Proceedings of the Proceedings Supercomputing '90, New York, NY, USA, November 12-16, 1990, 1990