MOV (M64, R64) - Port Usage

With blocking instructions for port '4':

Code:

   0:	4d 89 4e 40          	mov    QWORD PTR [r14+0x40],r9
   4:	4d 89 4e 48          	mov    QWORD PTR [r14+0x48],r9
   8:	4d 89 4e 50          	mov    QWORD PTR [r14+0x50],r9
   c:	4d 89 4e 58          	mov    QWORD PTR [r14+0x58],r9
  10:	4d 89 4e 60          	mov    QWORD PTR [r14+0x60],r9
  14:	4d 89 4e 68          	mov    QWORD PTR [r14+0x68],r9
  18:	4d 89 4e 70          	mov    QWORD PTR [r14+0x70],r9
  1c:	4d 89 4e 78          	mov    QWORD PTR [r14+0x78],r9
  20:	4d 89 8e 80 00 00 00 	mov    QWORD PTR [r14+0x80],r9
  27:	4d 89 8e 88 00 00 00 	mov    QWORD PTR [r14+0x88],r9
  2e:	4d 89 06             	mov    QWORD PTR [r14],r8

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.07
- Reference cycles: 11.11
- UOPS_PORT_4: 11.0

⇨ One μop that can only use port '4'

With blocking instructions for ports {'2', '3'}:

Code:

   0:	f2 41 0f f0 46 40    	lddqu  xmm0,[r14+0x40]
   6:	f2 41 0f f0 4e 50    	lddqu  xmm1,[r14+0x50]
   c:	f2 41 0f f0 56 60    	lddqu  xmm2,[r14+0x60]
  12:	f2 41 0f f0 5e 70    	lddqu  xmm3,[r14+0x70]
  18:	f2 41 0f f0 a6 80 00 	lddqu  xmm4,[r14+0x80]
  1f:	00 00 
  21:	f2 41 0f f0 ae 90 00 	lddqu  xmm5,[r14+0x90]
  28:	00 00 
  2a:	f2 41 0f f0 b6 a0 00 	lddqu  xmm6,[r14+0xa0]
  31:	00 00 
  33:	f2 41 0f f0 be b0 00 	lddqu  xmm7,[r14+0xb0]
  3a:	00 00 
  3c:	f2 45 0f f0 86 c0 00 	lddqu  xmm8,[r14+0xc0]
  43:	00 00 
  45:	f2 45 0f f0 8e d0 00 	lddqu  xmm9,[r14+0xd0]
  4c:	00 00 
  4e:	4d 89 06             	mov    QWORD PTR [r14],r8

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.6
- Reference cycles: 5.78
- UOPS_PORT_2: 5.49
- UOPS_PORT_3: 5.49

⇨ One μop that can only use ports {'2', '3'}

With an indexed addressing mode

With blocking instructions for port '4':

Code:

   0:	4d 89 4e 40          	mov    QWORD PTR [r14+0x40],r9
   4:	4d 89 4e 48          	mov    QWORD PTR [r14+0x48],r9
   8:	4d 89 4e 50          	mov    QWORD PTR [r14+0x50],r9
   c:	4d 89 4e 58          	mov    QWORD PTR [r14+0x58],r9
  10:	4d 89 4e 60          	mov    QWORD PTR [r14+0x60],r9
  14:	4d 89 4e 68          	mov    QWORD PTR [r14+0x68],r9
  18:	4d 89 4e 70          	mov    QWORD PTR [r14+0x70],r9
  1c:	4d 89 4e 78          	mov    QWORD PTR [r14+0x78],r9
  20:	4d 89 8e 80 00 00 00 	mov    QWORD PTR [r14+0x80],r9
  27:	4d 89 8e 88 00 00 00 	mov    QWORD PTR [r14+0x88],r9
  2e:	4f 89 04 2e          	mov    QWORD PTR [r14+r13*1],r8

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.1
- Reference cycles: 11.16
- UOPS_PORT_4: 11.0

⇨ One μop that can only use port '4'

With blocking instructions for ports {'2', '3'}:

Code:

   0:	f2 41 0f f0 46 40    	lddqu  xmm0,[r14+0x40]
   6:	f2 41 0f f0 4e 50    	lddqu  xmm1,[r14+0x50]
   c:	f2 41 0f f0 56 60    	lddqu  xmm2,[r14+0x60]
  12:	f2 41 0f f0 5e 70    	lddqu  xmm3,[r14+0x70]
  18:	f2 41 0f f0 a6 80 00 	lddqu  xmm4,[r14+0x80]
  1f:	00 00 
  21:	f2 41 0f f0 ae 90 00 	lddqu  xmm5,[r14+0x90]
  28:	00 00 
  2a:	f2 41 0f f0 b6 a0 00 	lddqu  xmm6,[r14+0xa0]
  31:	00 00 
  33:	f2 41 0f f0 be b0 00 	lddqu  xmm7,[r14+0xb0]
  3a:	00 00 
  3c:	f2 45 0f f0 86 c0 00 	lddqu  xmm8,[r14+0xc0]
  43:	00 00 
  45:	f2 45 0f f0 8e d0 00 	lddqu  xmm9,[r14+0xd0]
  4c:	00 00 
  4e:	4f 89 04 2e          	mov    QWORD PTR [r14+r13*1],r8

Init:
```
VZEROALL;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.61
- Reference cycles: 5.55
- UOPS_PORT_2: 5.49
- UOPS_PORT_3: 5.49

⇨ One μop that can only use ports {'2', '3'}