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Standard cell circuits consist of millions of standard cells, which have to be aligned overlap-free to the rows of the chip. Placement of these circuits is done in consecutive steps. First, a global placement is obtained by roughly spreading the cells on the chip, while considering all relevant objectives like wirelength, and routability. After that, the(More)
This paper presents a robust quadratic placement approach, which offers both high-quality placements and excellent computational efficiency. The additional force which distributes the modules on the chip in force-directed quadratic placement is separated into two forces: hold force and move force. Both of these forces are determined without any heuristics.(More)
This paper presents a fast and accurate routing demand estimation called RUDY and its efficient integration in a force-directed quadratic placer to optimize placements for routability. RUDY is based on a <i>R</i>ectangular <i>U</i>niform wire <i>D</i>ensit<i>Y</i> per net and accurately models the routing demand of a circuit as determined by the wire(More)
The safety of a volunteer/patient who participate in the very first human trial relies on data from animal experimentation and on the design of the trial. Recommendations on the type and extent of preclinical safety studies that should be conducted prior to first dose in man have been developed by the International Conference on Harmonisation, and the(More)