3 papers
cs.DC2025
GROMACS Unplugged: How Power Capping and Frequency Shapes Performance on GPUs
Ayesha Afzal, Anna Kahler, Georg Hager +1
Molecular dynamics simulations are essential tools in computational biophysics, but their performance depend heavily on hardware choices and configuration. In this work, we present…
cs.DC2025
Exploring metrics for analyzing dynamic behavior in MPI programs via a coupled-oscillator model
Ayesha Afzal, Georg Hager, Gerhard Wellen
We propose a novel, lightweight, and physically inspired approach to modeling the dynamics of parallel distributed-memory programs. Inspired by the Kuramoto model, we represent MPI…
cs.DC2024
Analytic Roofline Modeling and Energy Analysis of LULESH Proxy Application on Multi-Core Clusters
Ayesha Afzal, Georg Hager, Gerhard Wellein
We present a thorough performance and energy consumption analysis of the LULESH proxy application in its OpenMP and MPI variants on two different clusters based on Intel Ice Lake (…