Solutions to the module orientation and rotation problems by neural computation networks
DAC '89 Proceedings of the 26th ACM/IEEE Design Automation Conference
Genetic algorithms for VLSI design, layout & test automation
Genetic algorithms for VLSI design, layout & test automation
An evolutionary neural network approach for module orientationproblems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Design and analysis of maximum Hopfield networks
IEEE Transactions on Neural Networks
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As operation frequencies and integration densities of modern very large-scale integration (VLSI) circuits increase while device sizes shrink, the quest for high-speed VLSI applications has highlighted the negligible effects of interconnects. It is important to minimize the interconnect wire lengths during VLSI physical design stage. This paper focuses on the minimization process of the total wire length after placement, that is, macro-cell orientation. A novel evolutionary neural network approach based on the concept of evolutionary programming (EPENN) is proposed to address this combinatorial optimization problem. Numerical experiments and simulation results have shown that the presented approach can obtain high quality solutions with low computational complexity.