2025 International Workshop on Performance, Portability & Productivity in HPC

Program

The P3HPC workshop will be held on Monday, 17 November 2025 from 9:00AM - 5:30PM Central.

Session 1

09:05 - 09:30 CST
Featured Speaker
Comparing Cross-Platform Performance via Node-to-Node Scaling Studies
Kenneth Weiss

09:30 - 10:00 CST
Roofline Analysis of Tightly-Coupled CPU-GPU Superchips: A Study on MI300A and GH200
Oscar Antepara, Leonid Oliker, Samuel Williams

Paper

Morning Break

10:00 - 10:30 CST

Session 2

10:30 - 11:00 CST
Development of a performance portable distributed FFT interface on top of the Kokkos ecosystem
Yuuichi Asahi, Trévis Morvany, Thomas Padioleau, Julien Bigot

Paper

11:00 - 11:30 CST
Bridging Performance Portability and Scalability for Plasma Simulations on Heterogeneous Systems
Nigel P. Tan, Scott V. Luedtke, Michela Taufer, Brian Albright

Paper

11:30 - 12:00 CST
Performance portable batched linear algebra kernels for transport sweeps using Kokkos
Gabriel Suau, Thierry Gautier, Ansar Calloo, Rémi Baron, Romain Le Tellier

Paper

12:00 - 12:30 CST
LAMMPS-KOKKOS: Performance Portable Molecular Dynamics Across Exascale Architectures
Anders Johansson, Evan Weinberg, Christian Trott, Megan McCarthy, Stan Moore

Paper

Lunch Break

12:30 - 14:00 EST

Session 3

14:00 - 14:30 CST
Preserving CUDA Syntax for SYCL Portability: A Thin C++ Abstraction without Kernel Migration
Esteban M. Rangel, Humza Qureshi

Paper

14:30 - 15:00 CST
Mixed-Precision Performance Portability of FFT-Based GPU-Accelerated Algorithms for Block-Triangular Toeplitz Matrices
Sreeram Venkat, Kasia Swirydowicz, Noah Wolfe, Omar Ghattas

Paper

Afternoon Break

15:00 - 15:30 CST

Session 4

15:30 - 16:00 CST
Energy-aware performance portability with OpenMP dynamic variants
Ayman Bourramouss el Maach, Adrian Munera, Sara Royuela

Paper

16:00 - 16:30 CST
Extending RAJA Parallel Programming Abstractions with Just-In-Time Optimization
John Bowen, Konstantinos Parasyris, David Beckingsale, Tal Ben-Nun, Thomas Stitt, Giorgis Georgakoudis

Paper

Panel

16:30 - 17:30 CST
How does abstraction enable Performance, Portability, and Productivity?
Moderator:CJ Newburn
Panelists:Jan Ciesko, Stephen Jones, Rio Yokota, Yanbo Zhao

Slides