Introduction - If you have any usage issues, please Google them yourself
An Efficient and Effective Detailed Placement Algorithm
Global Swap
To identify a pair of cells that can be swapped to reduce wirelength (others are fixed).
2. Vertical Swap
Swap a cell with a nearby cell in the segment above or below.
3. Local Re-ordering
Re-order consecutive cells locally to reduce wirelength.
4. Single-Segment Clustering
Place cells optimally within a segment.
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