Energy-aware memory management for embedded multidimensional signal processing applications

EURASIP Journal on Embedded Systems

Table 2 Experimental results for energy-aware assignment of signals to the on- and off-chip memory layers

Application	Scalars	Memory	Data memory	SPM	DRAM	Energy	Energy	CPU
	(array elem.)	accesses	after mapping	size	size	[ μ J]	savings	[sec]
Motion detection	2,632,615	5,229,378	13,124	4802	8320	334.81	28.42 %	24.7
Motion estimation	265,633	1,053,089	4513	256	4257	138.31	22.12 %	2.8
Gaussian blur filter	53,615	77,619	14803	5003	9800	6.13	26.66 %	3.6
Durbin algorithm	252,499	1,005,993	1,998	500	1498	123.62	20.40 %	39.1
SVD updating algorithm	3,045,447	29,500,000	34,950	4096	30854	1601.52	24.81 %	47.5
Voice coding kernel	33,835	47,416	14,634	2032	12602	2.56	18.76 %	4.8