Pentium Pro Inside: I. A Treecode at 430 Gigaflops on ASCI Red, II. Price/Performance of $50/Mflop on Loki and Hyglac

Abstract

We present results from two methods of solving the gravitational N-body problem on ASCI Red. The first method, a trivial O(N^2) algorithm, obtained 635 Gflops for a 1 million particle problem on 6800 Pentium Pro processors. The second method, a treecode which scales as O(N log N), sustained 170 Gflops over a continuous 9.4 hour period on 4096 processors and… (More)
DOI: 10.1109/SC.1997.10057

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