A high-efficient multi-deme genetic algorithm with better load-balance Online publication date: Wed, 11-Jul-2018
by Wang Jie; Yuan Jiangjun
International Journal of Computing Science and Mathematics (IJCSM), Vol. 9, No. 3, 2018
Abstract: Genetic algorithm is a very powerful search algorithm that fits for many complex situations. However, it is very time consuming, which limits its usage. Previous work which makes use of multi-core systems to parallelise it performs well and gains much attention. This paper introduces that the load-imbalance problem in parallel genetic algorithm will incur large overhead and will limit the performance. We propose two efficient mechanisms (postponed waiting and work stealing) to achieve fine-grained schedule to solve the problem. Compared with traditional multi-deme parallel genetic algorithm, our high-efficient multi-deme genetic algorithm (HMGA) can achieve an average speedup of 1.36.
Online publication date: Wed, 11-Jul-2018
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