Parallel cross-entropy optimization
Parallel cross-entropy optimization
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并行交叉熵优化
DOI:
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发表时间:
2007
期刊:
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通讯作者:
Dirk P. Kroese
中科院分区:
文献类型:
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作者:
Gareth E. Evans;J. Keith;Dirk P. Kroese
The cross-entropy (CE) method is a modern and effective optimization method well suited to parallel implementations. There is a vast array of problems today, some of which are highly complex and can take weeks or even longer to solve using current optimization techniques. This paper presents a general method for designing parallel CE algorithms for multiple instruction multiple data (MIVID) distributed memory machines using the message passing interface (MPI) library routines. We provide examples of its performance for two well-known test-cases: the (discrete) Max-Cut problem and (continuous) Rosenbrock problem. Speedup factors and a comparison to sequential CE methods are reported.