Efficient parallel algorithms and software for compressed octrees with applications to hierarchical methods

Bhanu Hariharan, Srinivas Aluru
2005 Parallel Computing  
We describe the design and implementation of efficient parallel algorithms, and a software library for the parallel implementation of compressed octree data structures. Octrees are widely used in supporting hierarchical methods for scientific applications such as the N-body problem, molecular dynamics and smoothed particle hydrodynamics. The primary goal of our work is to identify and abstract the commonalities present in various hierarchical methods using octrees, design efficient parallel
more » ... rithms for them, and encapsulate them in a software library. We designed provably efficient parallel algorithms and implementation strategies that perform well irrespective of data distribution. The library will enable rapid development of applications, allowing application developers to use efficient parallel algorithms developed for this purpose, without the necessity of having detailed knowledge of the algorithms or of implementing them. The software is developed in C using the Message Passing Interface (MPI). We report experimental results on an IBM SP and a Pentium cluster.
doi:10.1016/j.parco.2004.12.007 fatcat:bzmexnfudfdrhm2zts2hiimlv4