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	SCHEDULE: NOV 11-17, 2006 Improving the Performance of Parallel Backprojection on a Reconfigurable Supercomputer Session: Poster Reception Event Type: Poster Time: 5:15pm - 7:15pm Author(s): Ben Cordes, Miriam Leeser, Eric Miller, Richard Linderman Location: Ballroom Corridor Abstract: Reconfigurable supercomputing is a new direction of research in the quest for novel high-performance architectures. A handful of products are available in this field, but no architecture has emerged as the clear winner in performance. Using the US Air Force Research Labs' Heterogeneous High Performance Cluster (HHPC), we have developed a successful reconfigurable supercomputing implementation of synthetic aperture radar (SAR) image formation using backprojection, a highly parallel algorithm. By studying the architectural features of the HHPC and hand-tuning the application to those features, we estimate that better than 1000x speedup over a single-node software-only solution is feasable. In particular, we consider the movement of data between nodes, the movement of data between host PC and FPGA board, and the use of on-board memories available to the FPGA for data storage. These results indicate that reconfigurable supercomputers are an excellent choice to tackle highly-parallel large-dataset problems. Chair/Author Details: Ben Cordes Northeastern University Miriam Leeser Northeastern University Eric Miller Northeastern University Richard Linderman Air Force Research Laboratory
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