A Framework for Parallel Tree-Based Scientific Simulations

  • Authors:
  • Pangfeng Liu;Jan-Jan Wu

  • Affiliations:
  • -;-

  • Venue:
  • ICPP '97 Proceedings of the international Conference on Parallel Processing
  • Year:
  • 1997

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Abstract

This paper describes an implementation of a platform-independent parallel C++ N-body framework that can support various scientific simulations that involve tree structures, such as astrophysics, semiconductor device simulation, molecular dynamics, plasma physics, and fluid mechanics. Within the framework the users will be able to concentrate on the computation kernels that differentiate different N-body problems, and let the framework take care of the tedious and error-prone details that are common among N-body applications. %In addition, we will use MPI to implement the communication routines so %that the framework will be portable across many parallel platforms, %including massively parallel processors and workstation clusters. This framework was developed based on the techniques we learned from previous CM-5 C implementations, which have been rigorously justified both experimentally and mathematically. This gives us confidence that our framework will allow fast prototyping of different N-body applications, to run on different parallel platforms, and to deliver good performance as well.