VLSI Block Placement with Alignment Constraints based on Corner Block List
Song Chen, Xianlong Hong, Sheqin Dong, Yuchun Ma, Chung‐Kuan Cheng
Abstract
Song Chen, Xianlong Hong, Sheqin Dong, Yuchun Ma, Chung‐Kuan Cheng
Abstract
The corner block list (CBL) is an excellent representation of block floorplan/placement. In this paper, we give a sufficient and necessary condition for the feasibility of a CBL and alignment constraints in CBL are also dealt with. A method is proposed to identify a topological relation between any two blocks in CBL. We also find a sufficient and necessary condition to judge whether a CBL is feasible or not under alignment constraints. The experimental results have demonstrated the efficiency and effectiveness of the proposed method.
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The corner block list (CBL) is an excellent representation of block floorplan/placement. In this paper, we give a sufficient and necessary condition for the feasibility of a CBL and alignment constraints in CBL are also dealt with. A method is proposed to identify a topological relation between any two blocks in CBL. We also find a sufficient and necessary condition to judge whether a CBL is feasible or not under alignment constraints. The experimental results have demonstrated the efficiency and effectiveness of the proposed method.
Key concepts: Floorplan, Block (permutation group theory), Very-large-scale integration, Computer science, Representation (politics), Relation (database), Block structure, Algorithm