Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/11892
Título: coPSSA - constrained parallel stretched simulated annealing
Autor: Rufino, José
Pereira, Ana I.
Pidanic, Jan
Palavras-chave: Unconstrained optimization
Parallel computing
Data: 2015
Editora: Jan Pidanic
Citação: Rufino, José Pereira, Ana I. Pidanic, Jan (2015) - coPSSA - constrained parallel stretched simulated annealing. In the 25th International Conference Radioeletronika 2015. p. 435-439. Pardubice, Czech Republic.
Resumo: Parallel Stretched Simulated Annealing (PSSA) solves unconstrained multilocal programming optimization problems in distributed memory clusters, by applying the Stretched Simulated Annealing optimization method, in parallel, to multiple sub-domains of the original feasible region. This work presents coPSSA (constrained Parallel Stretched Simulated Annealing), an hybrid application that combines shared memory based parallelism with PSSA, in order to efficiently solve constrained multilocal programming problems. We devise and evaluate two different parallel strategies for the search of solutions to these problems. Evaluation results from a small set of test problems often reach superlinear speedup in the solution search time, thus proving the merit of the coPSSA parallelization approach.
Peer review: yes
URI: http://hdl.handle.net/10198/11892
Aparece nas colecções:IC - Publicações em Proceedings Indexadas ao ISI/Scopus

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