VSUBPS (YMM, YMM, YMM) - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	c5 f4 5c c2          	vsubps ymm0,ymm1,ymm2
     4:	90                   	nop
     5:	90                   	nop
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
     9:	90                   	nop
     a:	90                   	nop
     b:	90                   	nop
     c:	90                   	nop
     d:	90                   	nop
     e:	0f ae e8             	lfence
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  MOV [R14+16], RAX;
  MOV [R14+24], RAX;
  VMOVUPD YMM1, [R14];
  VMOVUPD YMM2, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 12.0
  • Core cycles: 21.0
  • Reference cycles: 14.81
  • UOPS_DISPATCHED.INT_EU_ALL: 1.0
  • UOPS_DISPATCHED.ALU: 1.0
  • UOPS_DISPATCHED.LD: 0.0
  • UOPS_DISPATCHED.SLOW: 0.0
  • UOPS_DISPATCHED.STD: 0.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 0.0
  • UOPS_DISPATCHED.STA: 0.0