CVTSI2SS (XMM, R32) - Port Usage

With blocking instructions for port '1':

Code:

   0:	66 0f 58 ca          	addpd  xmm1,xmm2
   4:	66 0f 58 da          	addpd  xmm3,xmm2
   8:	66 0f 58 e2          	addpd  xmm4,xmm2
   c:	66 0f 58 ea          	addpd  xmm5,xmm2
  10:	66 0f 58 f2          	addpd  xmm6,xmm2
  14:	66 0f 58 fa          	addpd  xmm7,xmm2
  18:	66 44 0f 58 c2       	addpd  xmm8,xmm2
  1d:	66 44 0f 58 ca       	addpd  xmm9,xmm2
  22:	66 44 0f 58 d2       	addpd  xmm10,xmm2
  27:	66 44 0f 58 da       	addpd  xmm11,xmm2
  2c:	f3 41 0f 2a c0       	cvtsi2ss xmm0,r8d

Init:

VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOVUPD XMM1, [R14];
MOVUPD XMM2, [R14];
MOVUPD XMM3, [R14];
MOVUPD XMM4, [R14];
MOVUPD XMM5, [R14];
MOVUPD XMM6, [R14];
MOVUPD XMM7, [R14];
MOVUPD XMM8, [R14];
MOVUPD XMM9, [R14];
MOVUPD XMM10, [R14];
MOVUPD XMM11, [R14];
MOVUPD XMM12, [R14];
MOVUPD XMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.06
- Reference cycles: 11.67
- UOPS_PORT_1: 11.0

⇨ One μop that can only use port '1'

With blocking instructions for port '5':

Code:

   0:	66 0f 38 de ca       	aesdec xmm1,xmm2
   5:	66 0f 38 de da       	aesdec xmm3,xmm2
   a:	66 0f 38 de e2       	aesdec xmm4,xmm2
   f:	66 0f 38 de ea       	aesdec xmm5,xmm2
  14:	66 0f 38 de f2       	aesdec xmm6,xmm2
  19:	66 0f 38 de fa       	aesdec xmm7,xmm2
  1e:	66 44 0f 38 de c2    	aesdec xmm8,xmm2
  24:	66 44 0f 38 de ca    	aesdec xmm9,xmm2
  2a:	66 44 0f 38 de d2    	aesdec xmm10,xmm2
  30:	66 44 0f 38 de da    	aesdec xmm11,xmm2
  36:	f3 41 0f 2a c0       	cvtsi2ss xmm0,r8d

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOVUPD XMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.35
- Reference cycles: 12.0
- UOPS_PORT_5: 10.99

⇨ One μop that can only use port '5'