MOVSB_REPE - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	48 c7 c1 02 00 00 00 	mov    rcx,0x2
     7:	f3 a4                	rep movs BYTE PTR es:[rdi],BYTE PTR ds:[rsi]
     9:	90                   	nop
     a:	90                   	nop
     b:	90                   	nop
     c:	90                   	nop
     d:	90                   	nop
     e:	90                   	nop
     f:	90                   	nop
    10:	90                   	nop
    11:	90                   	nop
    12:	90                   	nop
    13:	0f ae e8             	lfence
  

• Show nanoBench command
• Results:
  • Instructions retired: 13.0
  • Core cycles: 32.83
  • Reference cycles: 23.57
  • UOPS_DISPATCHED.INT_EU_ALL: 14.0
  • UOPS_DISPATCHED.ALU: 9.0
  • UOPS_DISPATCHED.LD: 3.0
  • UOPS_DISPATCHED.SLOW: 2.0
  • UOPS_DISPATCHED.STD: 3.96
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 2.0
  • UOPS_DISPATCHED.STA: 3.0

• Code:

     0:	48 c7 c1 02 00 00 00 	mov    rcx,0x2
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 0.15
  • Reference cycles: 0.0
  • 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