Wayne D Joubert Senior Computational Scientist Contact joubert@ornl.gov | 865.241.2835 All Publications MiniApps derived from production HPC applications using multiple programming models... Abstractions and Directives for Adapting Wavefront Algorithms to Future Architectures Are We Witnessing the Spectre of an HPC Meltdown?... Parallel accelerated vector similarity calculations for genomics applications... Exascale Challenges in Numerical Linear and Multilinear Algebras... Experiences evaluating functionality and performance of IBM Power8+ systems... Towards Achieving Performance Portability Using Directives for Accelerators... From Describing to Prescribing Parallelism: Translating the SPEC ACCEL OpenACC Suite to OpenMP Target Directives... Early Experiences Writing Performance Portable OpenMP 4 Codes... The in-silico Lab on a Chip: Petascale and High Throughput Simulations of Microfluidics at Cell Resolution... Developing MiniApps on Modern Platforms Using Using Multiple Programming Models... Accelerated Application Development: The ORNL Titan Experience... CUDA Grid-Level Task Progression Algorithms... Use of Continuous Integration Tools for Application Performance Monitoring... THREE-DIMENSIONAL DISCRETE ORDINATES REACTOR ASSEMBLY CALCULATIONS ON GPUS... Three-dimensional discrete ordinates reactor assembly calculations on GPUs Accelerated Application Development: The ORNL Titan Experience Contemporary High Performance Computing From Petascale toward Exascale... High Performance Radiation Transport Simulations on TITAN... An Analysis of Computational Workloads on the Jaguar Cray XT System... HERCULES: A Pattern Driven Code Transformation System... Python for Development of OpenMP and CUDA Kernels for Multidimensional Data... A Programming Environment for Heterogeneous Multi-Core Computer Systems ... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links ORCID Organizations Computing and Computational Sciences Directorate National Center for Computational Sciences Science Engagement Section Algorithms and Performance Analysis Group User Facilities Oak Ridge Leadership Computing Facility