Parallelised branch-and-bound algorithm for raster-based landfill siting

Kun Hsing Liu, Jehng-Jung Kao*

*Corresponding author for this work

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

Landfill siting analysis is complex when compactness and other factors are simultaneously evaluated. In our previous work, a raster-based mixed-integer model was proposed to overcome this difficulty, and a C program was further developed to improve the computational time for solving the raster-based model. In this study, an enhanced parallelised branch-and-bound algorithm was proposed to shorten the solving time further. A parallelised computing environment with five computers was established for implementing the proposed algorithm. For comparison purpose, the un-parallelised algorithm was also tested on a single computer. The results show that the parallelised algorithm and computing environment can increase the speed by about three to seven times, while compared to the original algorithm implemented on a single computer.

原文English
頁(從 - 到)15-25
頁數11
期刊Civil Engineering and Environmental Systems
30
發行號1
DOIs
出版狀態Published - 1 三月 2013

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