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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2018.tde-20032018-083758
Document
Author
Full name
Flavio Arnaldo Braga da Silva
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1997
Supervisor
Committee
Santana, Marcos José (President)
Akamatu, Durval Makoto
Muniz, Francisco Junqueira
Title in Portuguese
Balanceamento de Carga em Ambientes Paralelos Virtuais com Aplicações no PVM-W95
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Esta dissertação de mestrado aborda o problema de balanceamento de carga em ambientes paralelos virtuais, com aplicações desenvolvidas em PVM-W95. São considerados no desenvolvimento deste trabalho algoritmos de balanceamento estáticos e dinâmicos, incluindo métodos de distribuição e de migração de tarefas. O trabalho apresenta uma vasta revisão bibliográfica que cobre os principais métodos e algoritmos de balanceamento de cargas em ambientes distribuídos e paralelos, propostos nos últimos anos. Os métodos e algoritmos relevantes para o domínio de aplicação considerado são cuidadosamente investigados. Os algoritmos estudados são implementados como parte dos programas de aplicação e o estudo desenvolvido abrange fundamentalmente programas com alto processamento numérico. Os resultados obtidos mostram claramente que o método gradiente e os algoritmos globais são os mais eficientes para os programas aplicativos desenvolvidos e para o ambiente paralelo virtual adotado.
Title in English
Not available
Keywords in English
Not avalable
Abstract in English
This MSc dissertation approaches the load balancing problem in parallel virtual environments, with applications developed in the PVM-W95. Static and Dynamic load balancing algorithms are considered in the developement of this work, including methods for both task distribution and task migration. The work shows a wide literature review covering the main methods and algorithms for load balancing in distributed and parallel environments, proposed over the last few years. The relevant methods and algorithms for the application domain considered are carefully investigated. The algorithms studied are implemented inbeded into the application programs and the study developed mainly covers programs with high numerical processing tasks. The results obtained clearly shows that the gradient method and the global algorithms are the more efficient ones for the application programs developed and for the parallel virtual environment adopted.
 
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Publishing Date
2018-03-20
 
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