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A Hybrid Parallel Genetic Algorithm with Dynamic Migration Strategy Based on Sunway Many-Core Processor

Authors: Yao Liu; Ruixiang Zhao; Kai Zheng; Su Wang; Yan Liu; Huanxue Shen; Qianhao Zhou;

A Hybrid Parallel Genetic Algorithm with Dynamic Migration Strategy Based on Sunway Many-Core Processor

Abstract

To speed up the execution of Genetic Algorithm when compute-intensive tasks are encountered, the Hybrid Parallel Genetic Algorithm with Dynamic Migration strategy (HPGA-DM) is designed and implemented on Sunway TaihuLight supercomputer which is ranked the first in the latest TOP500 list. Different from the traditional Genetic Algorithm implemented on single-core or multi-core cluster with single-level parallel architecture, the algorithm using two-level parallel architecture which combines with two different programming models: MPI and Athread, and is implemented on the Sunway Many-Core Processor. At the same time, a dynamic migration strategy is presented to improve the convergence speed of the algorithm. The experimental results show that HPGA-DM is 20.2 times faster than the single-level parallel algorithm, and obtains the 32.24 times slave-core speedup and 50.37% execution efficiency when the number of CPEs is 16*64.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
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