Branch and Bound technique is commonly used for intelligent search in finding a set of integer solutions within a space of interest. The corresponding binary tree structure provides a natural parallelism allowing concurrent evaluation of subproblems using parallel computing technology. While the master-worker paradigm is successfully used in many parallel applications as a common framework to implement parallel applications, it has drawbacks when a large number of computing resources are connected via WAN. A supervisor-master-sub-master-worker algorithm has been proposed. From the solved benchmark example this algorithm proved to provide a considerable save of time. Results show that a consistently better efficiency can be achieved in solving integer equations, providing reduction of time. The hierarchical supervisor-master-sub-master-worker algorithm sustains good performance revealed from the knapsack problem solved as a benchmark example.
Digital Object Identifier (DOI)
M. Ismail, Mahmoud; abd el-raoof, Osama; and F. Abd EL-Wahed, Waiel
"A Parallel Branch and Bound Algorithm for Solving Large Scale Integer Programming Problems,"
Applied Mathematics & Information Sciences: Vol. 08
, Article 25.
Available at: https://dc.naturalspublishing.com/amis/vol08/iss4/25