-This paper presents a novel algorithm for device-level analog placement with symmetry constraints. Based on the exploration of symmetric-feasible (S-F) binary tree representations [2] of the layout, the novel approach employs 1-3 deterministic skip lists [7,10], exhibiting running times at least 20-30% better than previous (nonslicing) topological algorithms for analog placement, and significantly better (typically, over 100%) than more traditional approaches based on the absolute representation.
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