1 N - Body Pattern Language
نویسنده
چکیده
Abstract Simulations that depend on interactions between the particles that make up the system are common in in cosmology, molecular dynamics, and computer graphics. When every particle in a system with N particles exercises a force on the other particles in the system, the problems is called N-Body. The naive solution computes forces between each pair of particles (N2 force computations). This is expensive and does not scale up to large systems. A variety of ways have been developed to solve Nbody problems in an efficient and scalable way, leading to O(N log N) or even O(N) time complexity. We present a pattern language for solving N-Body problems that is based on the physical geometry and distribution of the particles.
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