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SCHEDULE: NOV 11-17, 2006

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Reconfigurable Accelerator for Quantum Monte Carlo Simulations in N-body Systems

Session: Poster Reception

Event Type: Poster

Time: 5:15pm - 7:15pm

Author(s): Akila Gothandaraman, G. Lee Warren, Gregory D. Peterson, Robert J. Harrison

Location: Ballroom Corridor

Abstract:
Recent advances in FPGA technology make them an attractive platform for accelerating scientific computing applications. We present a novel hardware accelerator for Quantum Monte Carlo simulations in N-body systems. The design is deeply pipelined and exploits the inherent fine-grained parallelism available using an FPGA for all calculations. The design is implemented on a Xilinx Virtex II Pro XC2VP30 device and preliminary results indicate a maximum operating frequency of 100MHz. A single instance of our design offers an estimated speedup of 20x and accuracy comparable to the serial code running on a 2.8GHz Intel Pentium 4 processor. This architecture performs all computations with fixed-point representation and delivers accuracy on the order of or better than double-precision floating point. After deploying a single instance on the present FPGA platform, targeting our design on the Cray XD1 platform with a high gate-density FPGA will allow us to operate multiple cores in parallel.




Chair/Author Details:

Akila Gothandaraman
University of Tennessee

G. Lee Warren
University of Tennessee

Gregory D. Peterson
University of Tennessee

Robert J. Harrison
University of Tennessee / ORNL






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