A.
4 * 16 * 16
B.
sizeof(point_color) == 16, B = 32
square[i][j].c = 0
miss, cache 2 point_color, then
square[i][j].m = 0
square[i][j].y = 0
square[i][j].k = 0
square[i][j+1].c = 0
square[i][j+1].m = 0
square[i][j+1].y = 0
square[i][j+1].k = 0
all hit
so miss count is 4 * 16 * 16 * 1/8
C.
1/8