I know , intel machine has 6 ports, each port has several function units.

29 | Num of | Ports pressure in cycles | |
30 | Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
31 ------------------------------------------------------------
32 | 1 | | | | 1 | 1 | X | X | | | CP | movdqu xmm5, xmmwo
33 | 1 | | | | X | X | 1 | 1 | | | | movdqu xmm13, xmmw
34 | 1 | | | | 1 | 1 | X | X | | | | movupd xmm0, xmmwo
35 | 1 | | | | X | X | 1 | 1 | | | | movupd xmm4, xmmwo
36 | 1 | 1 | | X | | | | | | X | | movd r9d, xmm5
37 | 1 | | | | 1 | 1 | X | X | | | | movsd xmm2, qword

This is part of my analysis code ,
what do 0-DV , 2-D, 3-D mean ?
why they are two, and other ports are one ?