As the push towards exascale hardware has increased the diversity of system architectures,
performance portability has become a critical aspect for scientific software. We describe the …

Abstract deal. II is a state-of-the-art finite element library focused on generality, dimension-
independent programming, parallelism, and extensibility. Herein, we outline its primary …

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 …

The emergence of exascale computing and artificial intelligence offer tremendous potential
to significantly advance earth system prediction capabilities. However, enormous challenges …

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

CG-Kit is a new Code Generation tool-Kit that we have developed as a part of the solution
for portability and maintainability for multiphysics computing applications. The development …

Quantum computing technologies have become a hot topic in academia and industry
receiving much attention and financial support from all sides. Building a quantum computer …

Performance tests and analyses are critical to effective high-performance computing
software development and are central components in the design and implementation of …

ENRICO is a coupled application developed under the US Department of Energy's Exascale
Computing Project (ECP) targeting the modeling of advanced nuclear reactors. It couples …

This article is devoted to graphics processing unit (GPU) kernel optimization and
performance analysis of three tensor-product operations arising in finite element methods …