Parallelization of a Tree-Code for the Simulation of Self--Gravitating Astrophysical Systems

Details Parallelization of a Tree-Code for the Simulation of Self--Gravitating Astrophysical Systems Parallelization of a Tree-Code for the Simulation of Self--Gravitating Astrophysical Systems

1998-10-30

arxiv.org/abs/astro-ph/9810503v1

Astronomy and Astrophysics

Astrophysics

Latex, 3 pages, 2 ps figures; presented at the 1998 Conference on Computational Physics, Granada (Spain), sept. 2-5, 1998, in

Scientific paper

10.1016/S0010-4655(99)00373-2

We present preliminary results on the parallelization of a Tree-Code for evaluating gravitational forces in N-body astrophysical systems. Our HPF/CRAFT implementation on a CRAY T3E machine attained an encouraging speed-up behavior, reaching a value of 75 with 128 processor elements (PEs). The speed-up tests regard the evaluation of the forces among N = 130,369 particles distributed scaling the actual distribution of a sample of galaxies of the Leda catalog.

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