80. The apparatus of claim 64 , wherein said computing platform is further adapted to: determine signs of differences between corresponding portions of said first and second binary strings; weight said signs of differences based, at least in part, on a significance of said corresponding portions of said first and second binary strings; and determine said relationship based, at least in part, on a sum of the weighted signs of differences.
80. The apparatus of claim 64 , wherein said computing platform is further adapted to: determine signs of differences between corresponding portions of said first and second binary strings; weight said signs of differences based, at least in part, on a significance of said corresponding portions of said first and second binary strings; and determine said relationship based, at least in part, on a sum of the weighted signs of differences. 81. The apparatus of claim 80 , wherein said computing platform is further adapted to: represent said signs of differences as 2's-complement binary expressions in registers; and shift bits in at least some of said registers.