Efficient Parallel Algorithms for 2-Dimensional Ising Spin Models

  • Authors:
  • Eunice E. Santos;Shuangtong Feng;Jeffrey M. Rickman

  • Affiliations:
  • -;-;-

  • Venue:
  • IPDPS '02 Proceedings of the 16th International Parallel and Distributed Processing Symposium
  • Year:
  • 2002

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Abstract

In this paper, we design and implement a variety of parallel algorithms for both sweep spin selection and random spin selection. We analyze our parallel algorithms on LogP, a portable and general parallel machine model. We then obtain rigorous theoretical runtime results on LogP for all the parallel algorithms. Moreover, a guiding equation is derived for choosing data layouts (blocked vs. stripped) for sweep spin selection. In regards to random spin selection, we are able to develop parallel algorithms with efficient communication schemes. We introduce two novel schemes, namely the FML scheme and the 驴-scheme. We analyze randomness of our schemes using statistical methods and provided comparisons between the different schemes.