Ross G Miller Systems Integration Programmer Contact rgmiller@ornl.gov | 865.241.8070 All Publications UnifyFS: A User-level Shared File System for Unified Access to Distributed Local Storage Evaluating performance and portability of high-level programming models: Julia, Python/Numba, and Kokkos on exascale nodes Application Experiences on a GPU-Accelerated Arm-based HPC Testbed Comparative evaluation of deep learning workloads for leadership-class systems... US Department of Energy, Office of Science High Performance Computing Facility Operational Assessment 2019 Oak Ridge Leadersh... Understanding the Interplay between Hardware Errors and User Job Characteristics on the Titan Supercomputer... End-to-end I/O portfolio for the summit supercomputing ecosystem... GUIDE: A Scalable Information Directory Service to Collect, Federate, and Analyze Logs for Operational Insights into a Leader... Comparative I/O Workload Characterization of Two Leadership Class Storage Clusters... Utilizing Unused Resources To Improve Checkpoint Performance... Best Practices and Lessons Learned from Deploying and Operating Large-Scale Data-Centric Parallel File Systems... Mantid - Data Analysis and Visualization Package for Neutron Scattering and $\mu SR$ Experiments... Accelerating Data Acquisition, Reduction, and Analysis at the Spallation Neutron Source... A model for optimizing file access patterns using spatio-temporal parallelism... The Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT): Data Analysis and Visualization for Geoscience Data ... OLCF’s 1 TB/s, Next-Generation Lustre File System... The Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT): Data Analysis and Visualization for Geoscience Data... Reducing Application Runtime Variability on Jaguar XT5... Monitoring Tools for Large Scale Systems... Efficient Journaling for the Spider Storage System... Key Links ORCID Organizations Computing and Computational Sciences Directorate National Center for Computational Sciences Advanced Technologies Section Technology Integration Group