Astronomy and Astrophysics – Astrophysics
Scientific paper
1997-10-20
Astronomy and Astrophysics
Astrophysics
12 pages, TeX, report of a workshop, held on June 18-19, 1997, at the Institute for Advanced Study, Princeton
Scientific paper
We present the results from a two-day study in which we discussed various implementations of Smooth Particle Hydrodynamics (SPH), one of the leading methods used across a variety of areas of large-scale astrophysical simulations. In particular, we evaluated the suitability of designing special hardware extensions, to further boost the performance of the high-end general purpose computers currently used for those simulations. We considered a range of hybrid architectures, consisting of a mix of custom LSI and reconfigurable logic, combining the extremely high throughput of Special-Purpose Devices (SPDs) with the flexibility of reconfigurable structures, based on Field Programmable Gate Arrays (FPGAs). The main findings of our workshop consist of a clarification of the decomposition of the computational requirements, together with specific estimates for cost/performance improvements that can be obtained at each stage in this decomposition, by using enabling hardware technology to accelerate the performance of general purpose computers.
Hernquist Lars
Hut Piet
Lake George
Makino Jun
McMillan Steve
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