Exact(8)
Their scheme, however, assumed a certain type of computational behavior that most modern chips do not, in fact, enforce.
In this paper, we suggest a genetic algorithm for the QAP and report its computational behavior.
It is challenging because the computational behavior of the resulting hybrids is often much worse than the behavior of their components.
After presenting the required theoretical foundation, and the logic for measuring a testor-finding algorithm's computational behavior, the proposed strategy is used to assess the behavior of three well-known algorithms: BT, LEX, and FastCTExt.
Experimental tests prove the validity of the approach, illustrating the perspectives for its application in real systems over a variety of different situations, as well as the causes underlying the computational behavior observed.
Ceselli, M. Premoli, S. Secci, "Cloudlet Network Design Optimization", in Proc. of IFIP Networking 2015, 20 25 May , 2015 Toulouse, France] we discussed the application issues, considering a real test case, in this paper we focus on the algorithmic ones, providing matheuristics solution algorithms for the static case, and an experimental insight on their computational behavior.
It is also shown that while the solver performance vspkis stable in complex arithmetic, this does not hold true for the solver in real arithmetic, and an argument based on the quality of preconditioning is offered to account for the observed different computational behavior.
Each algorithm is followed by a computational study on benchmark problems that analyze the computational behavior of the presented algorithms.
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