3 papers
cs.SE2026
Retrieval-Augmented Generation for Scientific Code Understanding
Aaron Nobile, Andreas Adelmann, Mohsen Sadr
Large language models have become central to modern coding assistants, but state-of-the-art systems such as Claude Code or Codex rely on very large, cloud-hosted models with signif…
physics.plasm-ph2026
ORB5X: a performance-portable global electromagnetic gyrokinetic PIC code in C++/Kokkos built using Agentic AI
Mohsen Sadr, Emmanuel Lanti, Alexey Mishchenko +2
ORB5X is a C++17/Kokkos AI-assisted translation of ORB5, a global electromagnetic gyrokinetic particle-in-cell code for toroidal confined plasmas. The translation preserves the mat…
physics.comp-ph2026
VR-PIC: An entropic variance-reduction method for particle-in-cell solutions of the Vlasov-Poisson equation
Victor Windhab, Andreas Adelmann, Mohsen Sadr
We extend the recently developed entropic and conservative variance reduction framework [M. Sadr, N. G. Hadjiconstantinou, A variance-reduced direct Monte Carlo simulation method f…