The chip layout problem: A placement procedure for lsi
DAC '77 Proceedings of the 14th Design Automation Conference
A software system for Automated Placement And Wiring of LSI chips
DAC '79 Proceedings of the 16th Design Automation Conference
A software system for Automated Placement And Wiring of LSI chips
DAC '79 Proceedings of the 16th Design Automation Conference
An interactive system for VLSI chip physical design
IBM Journal of Research and Development
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A new solution to the problem of automated placement of FET circuits has been implemented. This new approach automatically realizes a global solution to the problem yielding circuit location, circuit orientation, all cross column wires and blanks between circuits, thus eliminating many of the most tedious and error prone steps in physical design. The technique is based upon “natural selection” and obtains a solution using a series of sweeps through the columns evolving circuit position and cross column wiring assignments together. Scoring is done to minimize column peaks.