Efficient parallelization of the 2D Swendsen-Wang algorithm

DOI to cite this document:: 10.5283/epub.16254

Hackl, R. ; Matuttis, H. G. ; Singer, Johannes Maria ; Husslein, Thomas ; Morgenstern, Ingo

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Date of publication of this fulltext: 23 Aug 2010 11:49

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Abstract

We established a fast Swendsen-Wang algorithm for the two-dimensional Ising model on parallel computers with a high efficiency. On an Intel paragon with 140 processors we reached spin update times of only 14 ns with an efficiency of 89%. This algorithm was used to examine the non-equilibrium relaxation of magnetization and energy in large Ising systems of a size up to 17920 × 17920 spins. ...