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Professor David Walker

Professor of High Performance Computing
Cardiff University (Confirmed)

Professor David Walker is a computer scientist at Cardiff University with over 25 years’ experience of research in high performance and parallel computing, and interfaces for computational and data science. His research is strongly interdisciplinary, and he has previously collaborated with physicists, chemists, mathematicians, and bio-scientists in a number of HPC applications. In addition to his expertise in high performance computing, Professor Walker, also has knowledge of distributed computing and e-Science technologies, including Grid and Cloud computing. Before joining Cardiff University, Professor Walker spent ten years in the United States at the California Institute of Technology, the University of South Carolina, and Oak Ridge National Laboratory. During this time, he was involved in the specification of MPI and the development of the ScaLAPACK software library. Professor Walker is co-editor of Concurrency and Computation: Practice and Experience, a principal editor of Computer Physics Communications, and serves on the editorial boards of the International Journal of High Performance Computing Applications, and the Journal of Computational Science.

• Providing an overview of past and recent trends in the landscape of high performance computing
• Reviewing the interplay of application design, the expression of parallelism, and data movement across hierarchical memory
• Exploring parallel programming paradigms and algorithms, and how these might change in the era of exascale computing