PBLENDVB (XMM, XMM) - Port Usage

With blocking instructions for port '0':

• Code:

     0:	66 44 0f 50 c3       	movmskpd r8d,xmm3
     5:	66 44 0f 50 cb       	movmskpd r9d,xmm3
     a:	66 44 0f 50 d3       	movmskpd r10d,xmm3
     f:	66 44 0f 50 db       	movmskpd r11d,xmm3
    14:	66 44 0f 50 e3       	movmskpd r12d,xmm3
    19:	66 0f 50 db          	movmskpd ebx,xmm3
    1d:	66 0f 50 cb          	movmskpd ecx,xmm3
    21:	66 0f 50 d3          	movmskpd edx,xmm3
    25:	66 44 0f 50 c3       	movmskpd r8d,xmm3
    2a:	66 44 0f 50 cb       	movmskpd r9d,xmm3
    2f:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
  

• Init:

  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  MOVUPD XMM3, [R14];
  PXOR XMM1, XMM1;
  PXOR XMM2, XMM2;
  PXOR XMM0, XMM0

• Show nanoBench command
• Results:
  • Instructions retired: 11.0
  • Core cycles: 9.97
  • Reference cycles: 9.24
  • UOPS_PORT_0: 10.02
  • UOPS_PORT_1: -0.01
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 2.1
  • UOPS_RETIRED.ANY: 12.0

With blocking instructions for port '5':

• Code:

     0:	66 0f 55 dc          	andnpd xmm3,xmm4
     4:	66 0f 55 ec          	andnpd xmm5,xmm4
     8:	66 0f 55 f4          	andnpd xmm6,xmm4
     c:	66 0f 55 fc          	andnpd xmm7,xmm4
    10:	66 44 0f 55 c4       	andnpd xmm8,xmm4
    15:	66 44 0f 55 cc       	andnpd xmm9,xmm4
    1a:	66 44 0f 55 d4       	andnpd xmm10,xmm4
    1f:	66 44 0f 55 dc       	andnpd xmm11,xmm4
    24:	66 44 0f 55 e4       	andnpd xmm12,xmm4
    29:	66 0f 55 dc          	andnpd xmm3,xmm4
    2d:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
  

• Init:

  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;
  PXOR XMM1, XMM1;
  PXOR XMM2, XMM2;
  PXOR XMM0, XMM0

• Show nanoBench command
• Results:
  • Instructions retired: 11.0
  • Core cycles: 9.98
  • Reference cycles: 9.16
  • UOPS_PORT_0: 2.02
  • UOPS_PORT_1: -0.01
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 10.13
  • UOPS_RETIRED.ANY: 12.0

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

• Code:

     0:	0f 38 1c c1          	pabsb  mm0,mm1
     4:	0f 38 1c d1          	pabsb  mm2,mm1
     8:	0f 38 1c d9          	pabsb  mm3,mm1
     c:	0f 38 1c e1          	pabsb  mm4,mm1
    10:	0f 38 1c e9          	pabsb  mm5,mm1
    14:	0f 38 1c f1          	pabsb  mm6,mm1
    18:	0f 38 1c f9          	pabsb  mm7,mm1
    1c:	0f 38 1c c1          	pabsb  mm0,mm1
    20:	0f 38 1c d1          	pabsb  mm2,mm1
    24:	0f 38 1c d9          	pabsb  mm3,mm1
    28:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
  

• Init:

  PXOR MM1, MM1;
  PXOR XMM1, XMM1;
  PXOR XMM2, XMM2;
  PXOR XMM0, XMM0

• Show nanoBench command
• Results:
  • Instructions retired: 11.0
  • Core cycles: 6.0
  • Reference cycles: 5.56
  • UOPS_PORT_0: 6.04
  • UOPS_PORT_1: -0.03
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 6.24
  • UOPS_RETIRED.ANY: 12.0