A Memory Hierarchy Model Based on Data Reuse for Full-Search Motion Estimation on High-Definition Digital Videos

Table 1

Experimental results.

Search window	Block size	Candidate blocks	Bandwidth Ext. mem. (Mbytes/sec)	Bandwidth ME core (Gbytes/sec)	Clock cycles	On-chip memory (Kbytes)	Registers (Kbytes)	PSNR (dB)
32 × 32	16 × 16	289	179.0	15.8	74	1.50	0.5	34.00
	8 × 8	625	299.6	34.8		1.25	0.25	35.90
64 × 64	16 × 16	2,401	302.6	136.3	266	5.00	1	35.41
	8 × 8	3,249	547.8	184.9		4.50	0.5	37.64
96 × 96	16 × 16	6,561	430.1	375.4	586	10.50	1.5	35.90
	8 × 8	7,921	803.9	453.8		9.75	0.75	38.26