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The paper presents two novel algorithms: Parallel Simulated Annealing algorithm with Memory function (PSAM) and adaptive PSAM based on multi-core computer with Threading Building Blocks (TBB). TBB offers a rich and complete approach to express parallelism in a C++ program. The purpose of a new memory function is not to trap into a local optimization. Sequential Simulated Annealing algorithm with Memory...
The work concerns the statistical measures of a fitness landscape in the context of the vehicle routing problem with time windows (VRPTW). The measures are determined by using a parallel simulated annealing algorithm as a tool for exploring a solution space. The landscape properties which are discovered allow us to evaluate the difficulty of the VRPTW benchmarking instances and to establish some parameters...
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