Two Parallel Swendsen-Wang Cluster Algorithms Using Message-Passing Paradigm

Details Two Parallel Swendsen-Wang Cluster Algorithms Using Message-Passing Paradigm Two Parallel Swendsen-Wang Cluster Algorithms Using Message-Passing Paradigm

2008-08-15

arxiv.org/abs/0808.2109v2

Physics

Computational Physics

7 pages and 5 figures

Scientific paper

In this article, we present two different parallel Swendsen-Wang Cluster(SWC) algorithms using message-passing interface(MPI). One is based on Master-Slave Parallel Model(MSPM) and the other is based on Data-Parallel Model(DPM). A speedup of 24 with 40 processors and 16 with 37 processors is achieved with the DPM and MSPM respectively. The speedup of both algorithms at different temperature and system size is carefully examined both experimentally and theoretically, and a comparison of their efficiency is made. In the last section, based on these two parallel SWC algorithms, two parallel probability changing cluster(PCC) algorithms are proposed.

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