Low-Complexity Scalable Architectures for Parallel Computation of Similarity Measures

Table 2

Design comparison.

Design	Circuit complexity			Time complexity	Critical path delay
	Absolute difference	Adder	Register
Design #1	K	K	K
Design #2	K	K
Design #3	M		—
Design #4	M		—
Design #5	N	N	N
Design #6	N	N
[9]	K	K
[10]				N
[11]