activity
20172026
most citedHPC Storage Service Autotuning Using Variational-Autoencoder-Guided Asynchronous Bayesian Optimization

15 citations · 29 across the 12 of their papers we have counts for

collaborators

15 papers

physics.plasm-ph2026

High-Performance Resilient Multi-GPU Hybrid Particle-in-Cell Monte Carlo Simulations at Scale

Jeremy J. Williams, Stefan Costea, David Tskhakaya +13

The increasing demand for high-performance computing in plasma physics has driven scalable and resilient simulation methods capable of efficiently exploiting modern multi-GPU archi…

physics.plasm-ph2026★ 1 cited

Multi-GPU Hybrid Particle-in-Cell Monte Carlo Simulations for Exascale Computing Systems

Jeremy J. Williams, Jordy Trilaksono, Stefan Costea +13

Particle-in-Cell (PIC) Monte Carlo (MC) simulations are central to plasma physics but face increasing challenges on heterogeneous HPC systems due to excessive data movement, synchr…

physics.plasm-ph2025★ 2 cited

Integrating High Performance In-Memory Data Streaming and In-Situ Visualization in Hybrid MPI+OpenMP PIC MC Simulations Towards Exascale

Jeremy J. Williams, Stefan Costea, Daniel Medeiros +11

Efficient simulation of complex plasma dynamics is crucial for advancing fusion energy research. Particle-in-Cell (PIC) Monte Carlo (MC) simulations provide insights into plasma be…

cs.DC2024★ 1 cited

Parallel I/O Characterization and Optimization on Large-Scale HPC Systems: A 360-Degree Survey

Hammad Ather, Jean Luca Bez, Chen Wang +3

Driven by artificial intelligence, data science, and high-resolution simulations, I/O workloads and hardware on high-performance computing (HPC) systems have become increasingly co…

physics.comp-ph2024★ 2 cited

Understanding the Impact of openPMD on BIT1, a Particle-in-Cell Monte Carlo Code, through Instrumentation, Monitoring, and In-Situ Analysis

Jeremy J. Williams, Stefan Costea, Allen D. Malony +7

Particle-in-Cell Monte Carlo simulations on large-scale systems play a fundamental role in understanding the complexities of plasma dynamics in fusion devices. Efficient handling a…

cs.DC2023

STaKTAU: profiling HPC applications' operating system usage

Camille Coti, Kevin Huck, Allen D. Malony

This paper presents a approach for measuring the time spent by HPC applications in the operating system's kernel. We use the SystemTap interface to insert timers before and after s…