M. Graham Lopez is an HPC Engineer in the National Center for Computational Sciences at Oak Ridge National Laboratory where he works with users and applications to run at scale on current and upcoming leadership-class computing facilities. In addition to his direct engagement with facility users, Graham has published research in the areas of computational materials science, application acceleration and benchmarking on heterogeneous systems, low-level communication APIs, and programming models. Prior to joining ORNL, he was a research scientist at Georgia Institute of Technology where he worked on application and numerical algorithm optimizations for accelerators. He earned his M.S. in Computer science and Ph.D. in Physics from Wake forest University.


Wake Forest University
Doctor of Philosophy (Ph.D.)
Wake Forest University
Computer Science
Master of Science (M.S.)
University of Tennessee - Knoxville
Computer Science
Bachelor of Science (B.S.)

R&D Activities Contributions

Center for Accelerated Application Readiness (CAAR) - In preparation for next-generation supercomputer Summit, the Oak Ridge Leadership Computing Facility (OLCF) selected 13 partnership projects into its Center for Accelerated Application Readiness (CAAR)…

Understanding HPC Applications for Evidence-based Co-design - Understanding the ORNL and DOE HPC application landscape is vitally important for the integration of heterogeneous computational architectures and exploration of future computing technologies. Currently,…

Programming Language C++ - C++ is a high-productivity, high-performance general programming language that is seeing increased usage in modern HPC code bases and is seeing rapid evolution by the…


2016 — ORNL Significant Event Award (SEA)