PCMPEQB (XMM, M128) - Port Usage

With blocking instructions for port '2':

Code:

   0:	66 45 8b 46 40       	mov    r8w,WORD PTR [r14+0x40]
   5:	66 45 8b 4e 42       	mov    r9w,WORD PTR [r14+0x42]
   a:	66 45 8b 56 44       	mov    r10w,WORD PTR [r14+0x44]
   f:	66 45 8b 5e 46       	mov    r11w,WORD PTR [r14+0x46]
  14:	66 45 8b 66 48       	mov    r12w,WORD PTR [r14+0x48]
  19:	66 41 8b 5e 4a       	mov    bx,WORD PTR [r14+0x4a]
  1e:	66 41 8b 4e 4c       	mov    cx,WORD PTR [r14+0x4c]
  23:	66 41 8b 56 4e       	mov    dx,WORD PTR [r14+0x4e]
  28:	66 45 8b 46 40       	mov    r8w,WORD PTR [r14+0x40]
  2d:	66 45 8b 4e 42       	mov    r9w,WORD PTR [r14+0x42]
  32:	66 41 0f 74 06       	pcmpeqb xmm0,XMMWORD PTR [r14]

Init:
```
PXOR XMM0, XMM0
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.01
- Reference cycles: 11.05
- UOPS_PORT_2: 11.0

⇨ One μop that can only use port '2'

With blocking instructions for ports {'0', '5'}:

Code:

   0:	41 0f 6e c0          	movd   mm0,r8d
   4:	41 0f 6e c8          	movd   mm1,r8d
   8:	41 0f 6e d0          	movd   mm2,r8d
   c:	41 0f 6e d8          	movd   mm3,r8d
  10:	41 0f 6e e0          	movd   mm4,r8d
  14:	41 0f 6e e8          	movd   mm5,r8d
  18:	41 0f 6e f0          	movd   mm6,r8d
  1c:	41 0f 6e f8          	movd   mm7,r8d
  20:	41 0f 6e c0          	movd   mm0,r8d
  24:	41 0f 6e c8          	movd   mm1,r8d
  28:	66 41 0f 74 06       	pcmpeqb xmm0,XMMWORD PTR [r14]

Init:
```
PXOR XMM0, XMM0
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.49
- Reference cycles: 5.52
- UOPS_PORT_0: 5.52
- UOPS_PORT_5: 5.48

⇨ One μop that can only use ports {'0', '5'}

With an indexed addressing mode

With blocking instructions for port '2':

Code:

   0:	66 45 8b 46 40       	mov    r8w,WORD PTR [r14+0x40]
   5:	66 45 8b 4e 42       	mov    r9w,WORD PTR [r14+0x42]
   a:	66 45 8b 56 44       	mov    r10w,WORD PTR [r14+0x44]
   f:	66 45 8b 5e 46       	mov    r11w,WORD PTR [r14+0x46]
  14:	66 45 8b 66 48       	mov    r12w,WORD PTR [r14+0x48]
  19:	66 41 8b 5e 4a       	mov    bx,WORD PTR [r14+0x4a]
  1e:	66 41 8b 4e 4c       	mov    cx,WORD PTR [r14+0x4c]
  23:	66 41 8b 56 4e       	mov    dx,WORD PTR [r14+0x4e]
  28:	66 45 8b 46 40       	mov    r8w,WORD PTR [r14+0x40]
  2d:	66 45 8b 4e 42       	mov    r9w,WORD PTR [r14+0x42]
  32:	66 43 0f 74 04 2e    	pcmpeqb xmm0,XMMWORD PTR [r14+r13*1]

Init:
```
PXOR XMM0, XMM0;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.01
- Reference cycles: 11.04
- UOPS_PORT_2: 11.0

⇨ One μop that can only use port '2'

With blocking instructions for ports {'0', '5'}:

Code:

   0:	41 0f 6e c0          	movd   mm0,r8d
   4:	41 0f 6e c8          	movd   mm1,r8d
   8:	41 0f 6e d0          	movd   mm2,r8d
   c:	41 0f 6e d8          	movd   mm3,r8d
  10:	41 0f 6e e0          	movd   mm4,r8d
  14:	41 0f 6e e8          	movd   mm5,r8d
  18:	41 0f 6e f0          	movd   mm6,r8d
  1c:	41 0f 6e f8          	movd   mm7,r8d
  20:	41 0f 6e c0          	movd   mm0,r8d
  24:	41 0f 6e c8          	movd   mm1,r8d
  28:	66 43 0f 74 04 2e    	pcmpeqb xmm0,XMMWORD PTR [r14+r13*1]

Init:
```
PXOR XMM0, XMM0;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.49
- Reference cycles: 5.53
- UOPS_PORT_0: 5.52
- UOPS_PORT_5: 5.48

⇨ One μop that can only use ports {'0', '5'}