Modelling and Automated Implementation of Optimal Power Saving Strategies in Coarse-Grained Reconfigurable Architectures

Table 8

FFT use case: power gating overhead estimation step accuracy.

LR	PG overhead%			Overhead error%			Net
	Est.	Real	Err.%	Iso	Rtn	Contr.	Err.%
	−25.22	−25.37	0.59	5.18	4.64	0.75	10.3
	−6.28	−6.22	1.07	16.34	2.97	0.76	12.6
	−1.92	−1.92	0.24	9.24	1.08	0.83	13.6