VPSRLW (YMM, YMM, XMM) - Port Usage

With blocking instructions for port '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:	c5 f5 d1 c2          	vpsrlw ymm0,ymm1,xmm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS XMM2, XMM2, XMM2

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.07
- Reference cycles: 8.16
- UOPS_PORT_5B: 11.0
- UOPS_PORT_5B>=2: 0.0

⇨ One μop that can only use port '5'

With blocking instructions for ports {'0', '1'}:

Code:

   0:	c4 e2 59 de dd       	vaesdec xmm3,xmm4,xmm5
   5:	c4 e2 59 de f5       	vaesdec xmm6,xmm4,xmm5
   a:	c4 e2 59 de fd       	vaesdec xmm7,xmm4,xmm5
   f:	c4 62 59 de c5       	vaesdec xmm8,xmm4,xmm5
  14:	c4 62 59 de cd       	vaesdec xmm9,xmm4,xmm5
  19:	c4 62 59 de d5       	vaesdec xmm10,xmm4,xmm5
  1e:	c4 62 59 de dd       	vaesdec xmm11,xmm4,xmm5
  23:	c4 62 59 de e5       	vaesdec xmm12,xmm4,xmm5
  28:	c4 e2 59 de dd       	vaesdec xmm3,xmm4,xmm5
  2d:	c4 e2 59 de f5       	vaesdec xmm6,xmm4,xmm5
  32:	c5 f5 d1 c2          	vpsrlw ymm0,ymm1,xmm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS XMM4, XMM4, XMM4;
VXORPS XMM5, XMM5, XMM5;
VXORPS YMM1, YMM1, YMM1;
VXORPS XMM2, XMM2, XMM2

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.54
- Reference cycles: 3.84
- UOPS_PORT_0: 5.5
- UOPS_PORT_1: 5.5

⇨ One μop that can only use ports {'0', '1'}