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Astrophysical N-body simulations using hierarchical tree data structures

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2 Author(s)
Warren, M.S. ; Los Alamos Nat. Lab., NM, USA ; Salmon, J.K.

The authors report on recent large astrophysical N-body simulations executed on the Intel Touchstone Delta system. They review the astrophysical motivation and the numerical techniques and discuss steps taken to parallelize these simulations. The methods scale as O (N log N), for large values of N, and also scale linearly with the number of processors. The performance sustained for a duration of 67 h, was between 5.1 and 5.4 Gflop/s on a 512-processor system

Published in:

Supercomputing '92., Proceedings

Date of Conference:

16-20 Nov 1992

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