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N-body Simulation of Galaxy Formation on GRAPE-4 Special-Purpose Computer | | Toshiyuki Fukushige
; Junichiro Makino
; | | Date: |
10 Dec 1996 | | Subject: | Astrophysics; Computational Physics | astro-ph physics.comp-ph | | Abstract: | We report on resent N-body simulations of galaxy formation performed on the GRAPE-4 (GRAvity PipE) system, a special-purpose computer for astrophysical N-body simulations. We review the astrophysical motivation, the algorithm, the actual performance, and the price per performance. The performance obtained is 332 Gflops averaged over 185 hours for a simulation of a galaxy formation with 786,400 particles. The price per performance obtained is 4,600 dollars per Gflops. The configuration used for the simulation consists of 1,269 pipeline processors and has a peak speed of 663 Gflops. | | Source: | arXiv, astro-ph/9612090 | | Services: | Forum | Review | PDF | Favorites | |
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