Paul F. Fischer

According to our database, Paul F. Fischer authored at least 58 papers between 1991 and 2023.

Collaborative distances:

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

2023

Nek5000/RS Performance on Advanced GPU Architectures.

Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Thilina Rathnayake, John Holmen

CoRR, 2023

Exascale Multiphysics Nuclear Reactor Simulations for Advanced Designs.

Elia Merzari, Steven P. Hamilton, Thomas M. Evans, Misun Min, Paul F. Fischer, Stefan Kerkemeier, Jun Fang, Paul Romano, Yu-Hsiang Lan, Malachi Phillips, Elliott Biondo, Katherine Royston, Tim Warburton, Noel Chalmers, Thilina Rathnayake

Proceedings of the International Conference for High Performance Computing, 2023

Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI.

Victor A. Mateevitsi, Mathis Bode, Nicola J. Ferrier, Paul F. Fischer, Jens Henrik Göbbert, Joseph A. Insley, Yu-Hsiang Lan, Misun Min, Michael E. Papka, Saumil Patel, Silvio Rizzi, Jonathan Windgassen

Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, 2023

2022

NekRS, a GPU-accelerated spectral element Navier-Stokes solver.

Paul F. Fischer, Stefan Kerkemeier, Misun Min, Yu-Hsiang Lan, Malachi Phillips, Thilina Rathnayake, Elia Merzari, Ananias Tomboulides, Ali Karakus, Noel Chalmers, Tim Warburton

Parallel Comput., 2022

Optimal Chebyshev Smoothers and One-sided V-cycles.

Malachi Phillips, Paul F. Fischer

CoRR, 2022

Towards Exascale for Wind Energy Simulations.

Misun Min, Michael Brazell, Ananias Tomboulides, Matthew Churchfield, Paul F. Fischer, Michael Sprague

CoRR, 2022

Optimization of Full-Core Reactor Simulations on Summit.

Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Elia Merzari, Stefan Kerkemeier, Malachi Phillips, Thilina Rathnayake, April Novak, Derek Gaston, Noel Chalmers, Tim Warburton

Proceedings of the SC22: International Conference for High Performance Computing, 2022

Tuning Spectral Element Preconditioners for Parallel Scalability on GPUs.

Malachi Phillips, Stefan Kerkemeier, Paul F. Fischer

Proceedings of the 2022 SIAM Conference on Parallel Processing for Scientific Computing, 2022

Performance tuning of the Helmholtz matrix-vector product kernel in the computational fluid dynamics solver Nek5000/RS for the A64FX processor.

Miwako Tsuji, Misun Min, Stefan Kerkemeier, Paul F. Fischer, Elia Merzari, Mitsuhisa Sato

Proceedings of the HPCAsia 2022 Workshop: International Conference on High Performance Computing in Asia-Pacific Region Workshops, Virtual Event Japan, January 11, 2022

2021

GPU algorithms for Efficient Exascale Discretizations.

Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Ryan Bleile, Jed Brown, Jean-Sylvain Camier, Robert Carson, Noel Chalmers, Veselin Dobrev, Yohann Dudouit, Paul F. Fischer, Ali Karakus, Stefan Kerkemeier, Tzanio V. Kolev, Yu-Hsiang Lan, Elia Merzari, Misun Min, Malachi Phillips, Thilina Rathnayake, Robert N. Rieben, Thomas Stitt, Ananias Tomboulides, Stanimire Tomov, Vladimir Z. Tomov, Arturo Vargas, Tim Warburton, Kenneth Weiss

Parallel Comput., 2021

Multirate timestepping for the incompressible Navier-Stokes equations in overlapping grids.

Ketan Mittal, Som Dutta, Paul F. Fischer

J. Comput. Phys., 2021

Efficient exascale discretizations: High-order finite element methods.

Tzanio V. Kolev, Paul F. Fischer, Misun Min, Jack J. Dongarra, Jed Brown, Veselin Dobrev, Tim Warburton, Stanimire Tomov, Mark S. Shephard, Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Jean-Sylvain Camier, Noel Chalmers, Yohann Dudouit, Ali Karakus, Ian Karlin, Stefan Kerkemeier, Yu-Hsiang Lan, David S. Medina, Elia Merzari, Aleksandr Obabko, Will Pazner, Thilina Rathnayake, Cameron W. Smith, Lukas Spies, Kasia Swirydowicz, Jeremy L. Thompson, Ananias Tomboulides, Vladimir Z. Tomov

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

Auto-Tuned Preconditioners for the Spectral Element Method on GPUs.

Malachi Phillips, Stefan Kerkemeier, Paul F. Fischer

CoRR, 2021

All-Hex Meshing Strategies For Densely Packed Spheres.

Yu-Hsiang Lan, Paul F. Fischer, Elia Merzari, Misun Min

CoRR, 2021

2020

Scalability of high-performance PDE solvers.

Paul F. Fischer, Misun Min, Thilina Rathnayake, Som Dutta, Tzanio V. Kolev, Veselin Dobrev, Jean-Sylvain Camier, Martin Kronbichler, Timothy C. Warburton, Kasia Swirydowicz, Jed Brown

Int. J. High Perform. Comput. Appl., 2020

Stability analysis of a singlerate and multirate predictor-corrector scheme for overlapping grids.

Ketan Mittal, Som Dutta, Paul F. Fischer

CoRR, 2020

2019

Scalable Low-Order Finite Element Preconditioners for High-Order Spectral Element Poisson Solvers.

Pedro D. Bello-Maldonado, Paul F. Fischer

SIAM J. Sci. Comput., 2019

A Characteristic-Based Spectral Element Method for Moving-Domain Problems.

Saumil Patel, Paul F. Fischer, Misun Min, Ananias Tomboulides

J. Sci. Comput., 2019

Mesh Smoothing for the Spectral Element Method.

Ketan Mittal, Paul F. Fischer

J. Sci. Comput., 2019

OpenACC acceleration for the PN-PN-2 algorithm in Nek5000.

Evelyn Otero, Jing Gong, Misun Min, Paul F. Fischer, Philipp Schlatter, Erwin Laure

J. Parallel Distributed Comput., 2019

2018

Nonconforming Schwarz-Spectral Element Methods For Incompressible Flow.

Ketan Mittal, Som Dutta, Paul F. Fischer

CoRR, 2018

Visualization of the Bulle-Effect at River Bifurcations.

Som Dutta, Mark W. Van Moer, Paul F. Fischer, Marcelo H. García

Proceedings of the Practice and Experience on Advanced Research Computing, 2018

2017

A performance analysis of ensemble averaging for high fidelity turbulence simulations at the strong scaling limit.

Vakhtang Makarashvili, Elia Merzari, Aleks Obabko, Andrew R. Siegel, Paul F. Fischer

Comput. Phys. Commun., 2017

Spectral Element Methods for Liquid Metal Reactors Applications.

Elia Merzari, Aleksandr Obabko, Paul F. Fischer

CoRR, 2017

On the Strong Scaling of the Spectral Element Solver Nek5000 on Petascale Systems.

Nicolas Offermans, Oana Marin, Michel Schanen, Jing Gong, Paul F. Fischer, Philipp Schlatter, Aleks Obabko, Adam Peplinski, Maxwell Hutchinson, Elia Merzari

CoRR, 2017

Why is MPI so slow?: analyzing the fundamental limits in implementing MPI-3.1.

Ken Raffenetti, Abdelhalim Amer, Lena Oden, Charles Archer, Wesley Bland, Hajime Fujita, Yanfei Guo, Tomislav Janjusic, Dmitry Durnov, Michael Blocksome, Min Si, Sangmin Seo, Akhil Langer, Gengbin Zheng, Masamichi Takagi, Paul K. Coffman, Jithin Jose, Sayantan Sur, Alexander Sannikov, Sergey Oblomov, Michael Chuvelev, Masayuki Hatanaka, Xin Zhao, Paul F. Fischer, Thilina Rathnayake, Matthew Otten, Misun Min, Pavan Balaji

Proceedings of the International Conference for High Performance Computing, 2017

2016

Nekbone performance on GPUs with OpenACC and CUDA Fortran implementations.

Jing Gong, Stefano Markidis, Erwin Laure, Matthew Otten, Paul F. Fischer, Misun Min

J. Supercomput., 2016

A spectrally accurate method for overlapping grid solution of incompressible Navier-Stokes equations.

Brandon E. Merrill, Yulia T. Peet, Paul F. Fischer, James W. Lottes

J. Comput. Phys., 2016

An MPI/OpenACC implementation of a high-order electromagnetics solver with GPUDirect communication.

Matthew Otten, Jing Gong, Azamat Mametjanov, Aaron Vose, John M. Levesque, Paul F. Fischer, Misun Min

Int. J. High Perform. Comput. Appl., 2016

Parallel performance of h-type Adaptive Mesh Refinement for Nek5000.

Adam Peplinski, Paul F. Fischer, Philipp Schlatter

Proceedings of the Exascale Applications and Software Conference 2016, 2016

On the Strong Scaling of the Spectral Element Solver Nek5000 on Petascale Systems.

Nicolas Offermans, Oana Marin, Michel Schanen, Jing Gong, Paul F. Fischer, Philipp Schlatter

Proceedings of the Exascale Applications and Software Conference 2016, 2016

2015

OpenACC acceleration of the Nek5000 spectral element code.

Stefano Markidis, Jing Gong, Michael Schliephake, Erwin Laure, Alistair Hart, David Henty, Katherine Heisey, Paul F. Fischer

Int. J. High Perform. Comput. Appl., 2015

Evaluation of Parallel Communication Models in Nekbone, a Nek5000 Mini-Application.

Ilya Ivanov, Jing Gong, Dana Akhmetova, Ivy Bo Peng, Stefano Markidis, Erwin Laure, Rui Machado, Mirko Rahn, Valeria Bartsch, Alistair Hart, Paul F. Fischer

Proceedings of the 2015 IEEE International Conference on Cluster Computing, 2015

2014

Nek5000 with OpenACC.

Jing Gong, Stefano Markidis, Michael Schliephake, Erwin Laure, Dan S. Henningson, Philipp Schlatter, Adam Peplinski, Alistair Hart, Jens Doleschal, David Henty, Paul F. Fischer

Proceedings of the Solving Software Challenges for Exascale, 2014

2013

An Efficient High-Order Time Integration Method for Spectral-Element Discontinuous Galerkin Simulations in Electromagnetics.

Misun Min, Paul F. Fischer

J. Sci. Comput., 2013

Stabilization of the Spectral Element Method in Convection Dominated Flows by Recovery of Skew-Symmetry.

Johan Malm, Philipp Schlatter, Paul F. Fischer, Dan S. Henningson

J. Sci. Comput., 2013

Spectral-element discontinuous Galerkin lattice Boltzmann simulation of flow past two cylinders in tandem with an exponential time integrator.

Kalu Chibueze Uga, Misun Min, Taehun Lee, Paul F. Fischer

Comput. Math. Appl., 2013

2012

Stability Analysis of Interface Temporal Discretization in Grid Overlapping Methods.

Yulia T. Peet, Paul F. Fischer

SIAM J. Numer. Anal., 2012

2011

Horizontal Large Eddy Simulation of Stratified Mixing in a Lock-Exchange System.

Luigi C. Berselli, Paul F. Fischer, Traian Iliescu, Tamay M. Özgökmen

J. Sci. Comput., 2011

2010

Bridging the Boussinesq and primitive equations through spatio-temporal filtering.

Jinqiao Duan, Paul F. Fischer, Traian Iliescu, Tamay M. Özgökmen

Appl. Math. Lett., 2010

Speeding up Nek5000 with autotuning and specialization.

Jaewook Shin, Mary W. Hall, Jacqueline Chame, Chun Chen, Paul F. Fischer, Paul D. Hovland

Proceedings of the 24th International Conference on Supercomputing, 2010

2009

A spectral Galerkin method for the coupled Orr-Sommerfeld and induction equations for free-surface MHD.

Dimitrios Giannakis, Paul F. Fischer, Robert Rosner

J. Comput. Phys., 2009

2007

A high-order discontinuous Galerkin method for the unsteady incompressible Navier-Stokes equations.

Khosro Shahbazi, Paul F. Fischer, C. Ross Ethier

J. Comput. Phys., 2007

2006

Large-Eddy Simulation of the Lid-Driven Cubic Cavity Flow by the Spectral Element Method.

Roland Bouffanais, Michel O. Deville, Paul F. Fischer, Emmanuel Leriche, Daniel Weill

J. Sci. Comput., 2006

Geophysical-astrophysical spectral-element adaptive refinement (GASpAR): Object-oriented h-adaptive fluid dynamics simulation.

Duane Rosenberg, Aimé Fournier, Paul F. Fischer, Annick Pouquet

J. Comput. Phys., 2006

Fourier spectral simulations and Gegenbauer reconstructions for electromagnetic waves in the presence of a metal nanoparticle.

Misun Min, Tae-Woo Lee, Paul F. Fischer, Stephen K. Gray

J. Comput. Phys., 2006

2005

Hybrid Multigrid/Schwarz Algorithms for the Spectral Element Method.

James W. Lottes, Paul F. Fischer

J. Sci. Comput., 2005

An All-Hex Meshing Strategy for Bifurcation Geometries in Vascular Flow Simulation.

Chaman Singh Verma, Paul F. Fischer, Seung E. Lee, Francis Loth

Proceedings of the 14th International Meshing Roundtable, 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

Spectral Element Methods for Transitional Flows in Complex Geometries.

Paul F. Fischer, Gerald W. Kruse, Francis Loth

J. Sci. Comput., 2002

2001

Generalized scans and tridiagonal systems.

Paul F. Fischer, Franco P. Preparata, John E. Savage

Theor. Comput. Sci., 2001

Fast Parallel Direct Solvers for Coarse Grid Problems.

Henry M. Tufo, Paul F. Fischer

J. Parallel Distributed Comput., 2001

2000

Solving A <i>x</i>\underline x = <i>b</i>\underline b Using a Modified Conjugate Gradient Method Based on Roots of A.

Paul F. Fischer, Sigal Gottlieb

J. Sci. Comput., 2000

1999

Numerical Simulation and Immersive Visualization of Hairpin Vortices.

Henry M. Tufo, Paul F. Fischer, Michael E. Papka, Kristopher J. Blom

Proceedings of the ACM/IEEE Conference on Supercomputing, 1999

Terascale Spectral Element Algorithms and Implementations.

Henry M. Tufo, Paul F. Fischer

Proceedings of the ACM/IEEE Conference on Supercomputing, 1999

1998

Modified Conjugate Gradient Method for the Solution of Ax=b.

Sigal Gottlieb, Paul F. Fischer

J. Sci. Comput., 1998

1995

Generalized Scans and Tri-Diagonal Systems.

Paul F. Fischer, Franco P. Preparata, John E. Savage

Proceedings of the STACS 95, 1995

1991

Numerical simulation of incompressible fluid flows.

George Anagnostou, Yvon Maday, Anthony T. Patera, Paul F. Fischer, Einar M. Rønquist

Concurr. Pract. Exp., 1991