High Performance Discrete Cosine Transform Operator Using Multimedia Oriented Subword Parallelism

Table 4

Performance of the SWP 2D-DCT operator.

Block size	Pixel (bits)	Computational CLKs	SWP overheads CLKs	Total CLKs
()	8	32	7	39
	10	32	7	39
	12	48	9	57
	16	64	11	75
()	8	119	19	138
	10	119	19	138
	12	180	27	207
	16	244	35	279