Research

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2026

Cross-Layer Characterization Framework for Hpc System Utilization

Hari Teja Jajula, Purushotham V. Bangalore

2026 IEEE International Conference on Cluster Computing (CLUSTER) · 01 Sep 2026 · doi:10.1109/CLUSTER68337.2026.00013

cross-layer-optimization system-software

Co-Design and Evaluation of a CPU-Free MPI GPU Communication Abstraction and Implementation

Patrick G. Bridges, Derek Schafer, Jack Lange, James B. White, Anthony Skjellum, Evan Suggs, Thomas Hines, Purushotham Bangalore, Matthew G. F. Dosanjh, Whit Schonbein

2026 IEEE International Conference on Cluster Computing (CLUSTER) · 01 Sep 2026 · doi:10.1109/CLUSTER68337.2026.00035

system-software solver-design

Kokkos Comm: Performance Portable Communication for Distributed Kokkos Applications

C. Nicole Avans, Gabriel Dos Santos, Cédric Chevalier, Hugo Taboada, Marc Pérache, …, Stephen L. Olivier, Carl Pearson, Evan D. Suggs, Vivek Kale, Anthony Skjellum

Proceedings of the Platform for Advanced Scientific Computing Conference · 28 Jun 2026 · doi:10.1145/3815572.3815748

system-software

Assessing the impact of MPI process placement on communication in many-core systems

Jackson Wesley, Whit Schonbein, David DeBonis, Matthew G. F. Dosanjh, Amanda Bienz

2026 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW) · 01 May 2026 · doi:10.1109/IPDPSW71298.2026.00042

system-software solver-design

Optimizing Allreduce Operations for Modern Heterogeneous Architectures with Multiple Processes per GPU

Michael Adams, Amanda Bienz

2026 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW) · 01 May 2026 · doi:10.1109/IPDPSW71298.2026.00023

system-software solver-design

The Case of the Mysterious Citations

Amanda Bienz, Carl Pearson, Simon Garcia de Gonzalo

Computing in Science & Engineering · 01 Jan 2026 · doi:10.1109/MCSE.2026.3713088

project-infrastructure

2025

Grey-Box Machine Learning Prediction of Parallel Application Scaling

Akhil Alasandagutti, Patrick G. Bridges, Trilce Estrada

2025 IEEE 32nd International Conference on High Performance Computing, Data, and Analytics (HiPC) · 17 Dec 2025 · doi:10.1109/HiPC66333.2025.00013

performance-modeling

Optimizing the GPU All-Reduce Using Multiple Processes per GPU

Michael Adams, Amanda Bienz

Supercomputing 2025 · 15 Nov 2025 · url:https://sc25.supercomputing.org/proceedings/posters/poster_pages/post197.html

SC’25 research poster by Michael Adams

system-software solver-design

Scaling All-to-All Operations Across Emerging Many-Core Supercomputers

Shannon Gayle Kinkead, Jackson Wesley, Whit Schonbein, David DeBonis, Matthew Dosanjh, Amanda Bienz

Proceedings of the SC '25 Workshops of the International Conference for High Performance Computing, Networking, Storage and Analysis · 15 Nov 2025 · doi:10.1145/3731599.3767393

system-software solver-design

Scalable, High-Fidelity Monitoring of Application Communication Patterns in Vernier

Jered Dominguez-Trujillo, Derek Schafer, Riley Shipley, Ryan Marshall, Nicholas Bacon, Maxim Moraru, Galen Shipman, Anthony Skjellum, Patrick Bridges

Proceedings of the SC '25 Workshops of the International Conference for High Performance Computing, Networking, Storage and Analysis · 15 Nov 2025 · doi:10.1145/3731599.3767520

performance-modeling system-software

Concepts for Designing Modern C++ Interfaces for MPI

C. Nicole Avans, Alfredo A. Correa, Sayan Ghosh, Matthias Schimek, Joseph Schuchart, Anthony Skjellum, Evan D. Suggs, Tim Niklas Uhl

Lecture Notes in Computer Science · 15 Oct 2025 · doi:10.1007/978-3-032-07194-1_10

system-software

2024

Beatnik: A Novel Global Communication Mini-Application

Jason R. Stewart, Patrick G. Bridges

SC24-W: Workshops of the International Conference for High Performance Computing, Networking, Storage and Analysis · 17 Nov 2024 · doi:10.1109/SCW63240.2024.00066

performance-modeling solver-design