activity
20202024
most citedEfficient Exascale Discretizations: High-Order Finite Element Methods

66 citations · 80 across the 6 of their papers we have counts for

collaborators

7 papers

cs.CE2024★ 2 cited

Exascale Simulations of Fusion and Fission Systems

Misun Min, Yu-Hsiang Lan, Paul Fischer +11

We discuss pioneering heat and fluid flow simulations of fusion and fission energy systems with NekRS on exascale computing facilities, including Frontier and Aurora. The Argonne-b…

cs.DC2023

Nek5000/RS Performance on Advanced GPU Architectures

Misun Min, Yu-Hsiang Lan, Paul Fischer +2

We demonstrate NekRS performance results on various advanced GPU architectures. NekRS is a GPU-accelerated version of Nek5000 that targets high performance on exascale platforms. I…

physics.comp-ph2021★ 9 cited

Highly Optimized Full-Core Reactor Simulations on Summit

Paul Fischer, Elia Merzari, Misun Min +8

Nek5000/RS is a highly-performant open-source spectral element code for simulation of incompressible and low-Mach fluid flow, heat transfer, and combustion with a particular focus…

cs.DC2021

GPU Algorithms for Efficient Exascale Discretizations

Ahmad Abdelfattah, Valeria Barra, Natalie Beams +24

In this paper we describe the research and development activities in the Center for Efficient Exascale Discretization within the US Exascale Computing Project, targeting state-of-t…

cs.DC2021★ 66 cited

Efficient Exascale Discretizations: High-Order Finite Element Methods

Tzanio Kolev, Paul Fischer, Misun Min +27

Efficient exploitation of exascale architectures requires rethinking of the numerical algorithms used in many large-scale applications. These architectures favor algorithms that ex…

cs.PF2021★ 2 cited

NekRS, a GPU-Accelerated Spectral Element Navier-Stokes Solver

Paul Fischer, Stefan Kerkemeier, Misun Min +8

The development of NekRS, a GPU-oriented thermal-fluids simulation code based on the spectral element method (SEM) is described. For performance portability, the code is based on t…

cs.PF2020★ 1 cited

Scalability of High-Performance PDE Solvers

Paul Fischer, Misun Min, Thilina Rathnayake +8

Performance tests and analyses are critical to effective HPC software development and are central components in the design and implementation of computational algorithms for achiev…