activity
20022017
most citedApplication of Ewald summations to long-range dispersion forces

194 citations · 532 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CE2017

The Tersoff many-body potential: Sustainable performance through vectorization

Markus Höhnerbach, Ahmed E. Ismail, Paolo Bientinesi

Molecular dynamics models materials by simulating each individual particle's trajectory. Many-body potentials lead to a more accurate trajectory simulation, and are used in materia…

cs.CE2017

LAMMPS' PPPM Long-Range Solver for the Second Generation Xeon Phi

William McDoniel, Markus Höhnerbach, Rodrigo Canales +2

Molecular Dynamics is an important tool for computational biologists, chemists, and materials scientists, consuming a sizable amount of supercomputing resources. Many of the invest…

physics.comp-ph2017

A Scalable, Linear-Time Dynamic Cutoff Algorithm for Molecular Dynamics

Paul Springer, Ahmed E. Ismail, Paolo Bientinesi

Recent results on supercomputers show that beyond 65K cores, the efficiency of molecular dynamics simulations of interfacial systems decreases significantly. In this paper, we intr…

cs.CE2016★ 1 cited

Accelerating scientific codes by performance and accuracy modeling

Diego Fabregat-Traver, Ahmed E. Ismail, Paolo Bientinesi

Scientific software is often driven by multiple parameters that affect both accuracy and performance. Since finding the optimal configuration of these parameters is a highly comple…

cs.CE2016

The Vectorization of the Tersoff Multi-Body Potential: An Exercise in Performance Portability

Markus Höhnerbach, Ahmed E. Ismail, Paolo Bientinesi

Molecular dynamics simulations, an indispensable research tool in computational chemistry and materials science, consume a significant portion of the supercomputing cycles around t…

cond-mat.mtrl-sci2016

A Note on Time Measurements in LAMMPS

Daniel Tameling, Paolo Bientinesi, Ahmed E. Ismail

We examine the issue of assessing the efficiency of components of a parallel program at the example of the MD package LAMMPS. In particular, we look at how LAMMPS deals with the is…