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Stockmeyer Algorithm

Stockmeyer Algorithm. Determine optimal orientation of the blocks Internal nodes in the slicing tree: top- H -bottom, left- V -right lower-left corner of the block → lower-left corner of its room Block dimension: (2,4), (1,3), (3,3), (3,5), (3,2), (5,3), (1,2), (2,4).

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Stockmeyer Algorithm

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  1. Stockmeyer Algorithm • Determine optimal orientation of the blocks • Internal nodes in the slicing tree: top-H-bottom, left-V-right • lower-left corner of the block → lower-left corner of its room • Block dimension: (2,4), (1,3), (3,3), (3,5), (3,2), (5,3), (1,2), (2,4) Practical Problems in VLSI Physical Design

  2. Bottom-up Tree Traversal Practical Problems in VLSI Physical Design

  3. Bottom-up Tree Traversal (cont) Practical Problems in VLSI Physical Design

  4. Top Node Practical Problems in VLSI Physical Design

  5. Top-down Tree Traversal Practical Problems in VLSI Physical Design

  6. Top-down Tree Traversal (cont) Practical Problems in VLSI Physical Design

  7. Final Floorplan • 4 blocks are rotated • Area reduced from 15 × 12 to 13 × 9 Practical Problems in VLSI Physical Design

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