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We propose a self-contained, flat, quadratic global placer that is simpler than existing placers and easier to integrate into timing-closure flows. It maintains lower-bound and upper-bound placements that converge to a final solution. The upper-bound placement is produced by a novel look-ahead legalization algorithm. Our placer SimPL outperforms mPL6, FastPlace3, NTUPlace3, APlace2, and Capo simultaneously...
Clock networks contribute a significant fraction of dynamic power and can be a limiting factor in high-performance CPUs and SoCs. The need for multi-objective optimization over a large parameter space and the increasing impact of process variation make clock network synthesis particularly challenging. In this work, we develop new modeling techniques and algorithms, as well as a methodology, for clock...
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