Abstract
The Smoothed Particle Hydrodynamics (SPH) method is a widely used particle simulation scheme in astrophysical hydrodynamics simulations. Since a possible problem size of SPH simulations is limited by available computational resource, it is natural to implement a computation intensive core of the SPH simulations on a FPGA based reconfigurable board. We are now implementing SPH simulations on our FPGA based board PROGRAPE. Our "SPH processors", which compute particle interaction force by reduced accuracy floating-point operations, run at 133MHz on our board. Obtained peak performance of the SPH processors is 〜 90 Gflops. Our results indicate using FPGA board for floating-point intensive astrophysical simulations is being feasible.
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