John K Holmen HPC Engineer Contact 865.341.2149 | holmenjk@ornl.gov All Publications FacultyHack Events: Faculty-Focused Hackathons for High-Performance Computing Curriculum Development Towards the Development of an Exascale Network Digital Twin... Making Uintah Performance Portable for Department of Energy Exascale Testbeds Frontier: Exploring Exascale Early experiences on the OLCF Frontier system with AthenaPK and Parthenon-Hydro Frontier: Exploring Exascale Evaluating the Cloud for Capability Class Leadership Workloads... Strengthening the US Department of Energy’s Recruitment Pipeline: The DOE/NNSA Predictive Science Academic Alliance Program... Early Experiences on the OLCF Frontier System with AthenaPK and Parthenon-Hydro Key Links Google Scholar LinkedIn GitHub ORCiD Organizations Computing and Computational Sciences Directorate National Center for Computational Sciences Operations Section System Acceptance and User Environment Group