Veronica G Melesse Vergara Section Head Contact vergaravg@ornl.gov | 865.574.2548 All Publications Comparing High Performance Computing Accelerator Programming Models... Harmony: A Harness Monitoring System for the Oak Ridge Leadership Computing Facility... Scaling the Summit: Deploying the World's Fastest Supercomputer... Experiences porting mini-applications to OpenACC and OpenMP on heterogeneous systems... The Design, Deployment, and Evaluation of the CORAL Pre-Exascale Systems... Are we witnessing the spectre of an HPC meltdown?... Evaluating Performance Portability of Accelerator Programming Models using SPEC ACCEL 1.2 Benchmarks... Are We Witnessing the Spectre of an HPC Meltdown?... Experiences evaluating functionality and performance of IBM Power8+ systems... An in-depth evaluation of GCC's OpenACC implementation in Cray systems... Towards Achieving Performance Portability Using Directives for Accelerators... From Describing to Prescribing Parallelism: Translating the SPEC ACCEL OpenACC Suite to OpenMP Target Directives... FCP: A Fast and Scalable Data Copy Tool for High Performance Parallel File Systems... Finally, A Way to Measure Frontend I/O Performance... Early Experiences Writing Performance Portable OpenMP 4 Codes... Student cluster competition: a multi-disciplinary undergraduate HPC educational tool... A More Realistic Way of Stressing the End-to-end I/O System... Use of Continuous Integration Tools for Application Performance Monitoring... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links ORCID Organizations User Facilities Oak Ridge Leadership Computing Facility Computing and Computational Sciences Directorate National Center for Computational Sciences Operations Section System Acceptance and User Environment Group