Beau Johnston Contact JOHNSTONBE@ORNL.GOV All Publications IRIS-GNN: Leveraging Graph Neural Networks for Scheduling on Truly Heterogeneous Runtime Systems... CHARM-SYCL & IRIS: A Tool Chain for Performance Portability on Extremely Heterogeneous Systems IRIS: A Performance-Portable Framework for Cross-Platform Heterogeneous Computing IRIS Reimagined: Advancements in Intelligent Runtime System for Task-Based Programming IRIS: Exploring Performance Scaling of the Intelligent Runtime System and its Dynamic Scheduling Policies CHARM-SYCL: New Unified Programming Environment for Multiple Accelerator Types IRIS: A Portable Runtime System Exploiting Multiple Heterogeneous Programming Systems Key Links