MOVSB - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]
     1:	90                   	nop
     2:	90                   	nop
     3:	90                   	nop
     4:	90                   	nop
     5:	90                   	nop
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
     9:	90                   	nop
     a:	90                   	nop
     b:	0f ae e8             	lfence
  

• Show nanoBench command
• Results:
  • Instructions retired: 12.0
  • Core cycles: 21.01
  • Reference cycles: 14.48
  • UOPS_DISPATCHED.INT_EU_ALL: 5.0
  • UOPS_DISPATCHED.ALU: 5.0
  • UOPS_DISPATCHED.LD: 1.0
  • UOPS_DISPATCHED.SLOW: 0.0
  • UOPS_DISPATCHED.STD: 1.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 0.0
  • UOPS_DISPATCHED.STA: 1.0