Deciphering boundary layer dynamics in high-Rayleigh-number convection using 3360 GPUs and a high-scaling in-situ workflow.
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CoRR, January, 2025
Towards exascale for wind energy simulations.
Int. J. High Perform. Comput. Appl., 2024
DDES Study of Confined and Unconfined NACA Wing Sections Using Spectral Elements.
CoRR, 2024
Spectral Element Simulation of Liquid Metal Magnetohydrodynamics.
CoRR, 2024
Modeling Turbulence in the Atmospheric Boundary Layer with Spectral Element and Finite Volume Methods.
CoRR, 2024
Visuals on the House: Optimizing HPC Workflows with No-Cost CPU Visualization.
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Proceedings of the 14th IEEE Symposium on Large Data Analysis and Visualization, 2024
Software and Analysis for paper: Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI.
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Dataset, September, 2023
Nek5000/RS Performance on Advanced GPU Architectures.
CoRR, 2023
Exascale Multiphysics Nuclear Reactor Simulations for Advanced Designs.
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Proceedings of the International Conference for High Performance Computing, 2023
Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI.
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Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, 2023
NekRS, a GPU-accelerated spectral element Navier-Stokes solver.
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Parallel Comput., 2022
Optimization of Full-Core Reactor Simulations on Summit.
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Proceedings of the SC22: International Conference for High Performance Computing, 2022
Performance tuning of the Helmholtz matrix-vector product kernel in the computational fluid dynamics solver Nek5000/RS for the A64FX processor.
Proceedings of the HPCAsia 2022 Workshop: International Conference on High Performance Computing in Asia-Pacific Region Workshops, Virtual Event Japan, January 11, 2022
All-Hex Meshing Strategies For Densely Packed Spheres.
CoRR, 2021
Scalability of high-performance PDE solvers.
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Int. J. High Perform. Comput. Appl., 2020
A Characteristic-Based Spectral Element Method for Moving-Domain Problems.
J. Sci. Comput., 2019
OpenACC acceleration for the PN-PN-2 algorithm in Nek5000.
J. Parallel Distributed Comput., 2019
Why is MPI so slow?: analyzing the fundamental limits in implementing MPI-3.1.
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Proceedings of the International Conference for High Performance Computing, 2017
Nekbone performance on GPUs with OpenACC and CUDA Fortran implementations.
J. Supercomput., 2016
A Spectral Element Method with Transparent Boundary Condition for Periodic Layered Media Scattering.
J. Sci. Comput., 2016
An MPI/OpenACC implementation of a high-order electromagnetics solver with GPUDirect communication.
Int. J. High Perform. Comput. Appl., 2016
An Efficient High-Order Time Integration Method for Spectral-Element Discontinuous Galerkin Simulations in Electromagnetics.
J. Sci. Comput., 2013
Spectral-element discontinuous Galerkin lattice Boltzmann simulation of flow past two cylinders in tandem with an exponential time integrator.
Comput. Math. Appl., 2013
I/O threads to reduce checkpoint blocking for an electromagnetics solver on Blue Gene/P and Cray XK6.
Proceedings of the 2nd International Workshop on Runtime and Operating Systems for Supercomputers, 2012
A spectral-element discontinuous Galerkin lattice Boltzmann method for nearly incompressible flows.
J. Comput. Phys., 2011
Parallel I/O Performance for Application-Level Checkpointing on the Blue Gene/P System.
Proceedings of the 2011 IEEE International Conference on Cluster Computing (CLUSTER), 2011
Fourier spectral simulations and Gegenbauer reconstructions for electromagnetic waves in the presence of a metal nanoparticle.
J. Comput. Phys., 2006