Timing-Driven Nonuniform Depopulation-Based Clustering

Table 8

T-NDPack versus other clustering techniques: based on reported performance over T-VPack (positive percentage means improvement), #CLBs: increase in number of CLBs; Wm: minimum channel width reduction; Crit.: critical path delay reduction.

Clustering tech.	# CLBs	Wm	Crit.
^1iRAC+iRAP	−8.78%	25.09%	N.A.
^2Un/DoPack	−17.32%	15%	−7%
^3Un/DoPack	−52.78%	40%	−20%
^4T-NDPack	−13.28%	11.07%	2.89%
^5T-NDPack	−27.31%	16.31%	4.13%

¹Not comparable because of different placement tool. ²³Un/DoPack in moderate and aggressive amounts of depopulation, respectively. ⁴⁵T-NDPack in moderate and aggressive amounts of depopulation, respectively.