We present a framework that considers global routing, repeater insertion, and flip-flop relocation for early interconnect planning. We formulate the interconnect retiming and flip-flop placement problem as a local area constrained retiming problem and solve it as a series of weighted minimum area retiming problems. Our method for early interconnect planning can reduce and even avoid design iterations between physical planning and high level designs. Experimental results show that our method can reduce the num…
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