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Existing routability-driven placers mostly employ rudimentary and often crude congestion models that fail to account for the complexities in modern designs, e.g., the impact of non-uniform wiring stacks, layer directives, partial and/or complete routing blockages, etc. In addition, they are hampered by congestion metrics that do not accurately score or represent design congestion. This is in large...
The impact of considering design hierarchy during physical synthesis remains a fairly under-researched area. This is especially true for large-scale circuit placement. This is in large part due to the non-availability of realistic public designs with the design hierarchy information. Additionally, modern designs are fairly complex with numerous placement blockages, non-uniform wiring stacks, partial...
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