CALL_NEAR (M64) - Port Usage

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	48 8d 05 06 00 00 00 	lea    rax,[rip+0x6]        # 0xd
     7:	49 89 06             	mov    QWORD PTR [r14],rax
     a:	41 ff 16             	call   QWORD PTR [r14]
     d:	90                   	nop
     e:	90                   	nop
     f:	90                   	nop
    10:	90                   	nop
    11:	90                   	nop
    12:	90                   	nop
    13:	90                   	nop
    14:	90                   	nop
    15:	90                   	nop
    16:	90                   	nop
    17:	0f ae e8             	lfence
  

• Show nanoBench command
• Results:
  • Instructions retired: 14.0
  • Core cycles: 24.36
  • Reference cycles: 17.0
  • UOPS_DISPATCHED.INT_EU_ALL: 4.0
  • UOPS_DISPATCHED.ALU: 2.0
  • UOPS_DISPATCHED.LD: 1.0
  • UOPS_DISPATCHED.SLOW: 0.0
  • UOPS_DISPATCHED.STD: 2.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 2.0
  • UOPS_DISPATCHED.STA: 2.0

• Code:

     0:	48 8d 05 06 00 00 00 	lea    rax,[rip+0x6]        # 0xd
     7:	49 89 06             	mov    QWORD PTR [r14],rax
  

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 0.53
  • Reference cycles: 0.51
  • 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: 1.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 0.0
  • UOPS_DISPATCHED.STA: 1.0

With an indexed addressing mode

With lfence (to avoid incorrect counts due to replays)

• Code:

     0:	48 8d 05 06 00 00 00 	lea    rax,[rip+0x6]        # 0xd
     7:	49 89 06             	mov    QWORD PTR [r14],rax
     a:	41 ff 16             	call   QWORD PTR [r14]
     d:	90                   	nop
     e:	90                   	nop
     f:	90                   	nop
    10:	90                   	nop
    11:	90                   	nop
    12:	90                   	nop
    13:	90                   	nop
    14:	90                   	nop
    15:	90                   	nop
    16:	90                   	nop
    17:	0f ae e8             	lfence
  

• Show nanoBench command
• Results:
  • Instructions retired: 14.0
  • Core cycles: 24.37
  • Reference cycles: 17.0
  • UOPS_DISPATCHED.INT_EU_ALL: 4.0
  • UOPS_DISPATCHED.ALU: 2.0
  • UOPS_DISPATCHED.LD: 1.0
  • UOPS_DISPATCHED.SLOW: 0.0
  • UOPS_DISPATCHED.STD: 2.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 2.0
  • UOPS_DISPATCHED.STA: 2.0

• Code:

     0:	48 8d 05 06 00 00 00 	lea    rax,[rip+0x6]        # 0xd
     7:	49 89 06             	mov    QWORD PTR [r14],rax
  

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 0.54
  • Reference cycles: 0.34
  • 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: 1.0
  • UOPS_DISPATCHED.SHIFT: 0.0
  • UOPS_DISPATCHED.JMP: 0.0
  • UOPS_DISPATCHED.STA: 1.0