CMP (R64, I32) - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 0.44
  • Reference cycles: 0.44
  • RS_UOPS_DISPATCHED: 1.0
  • UOPS_PORT_0: 0.31
  • UOPS_PORT_1: 0.31
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 0.38

With loop_count=1000 and unroll_count=10

• Code:

     0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 0.5
  • Reference cycles: 0.5
  • RS_UOPS_DISPATCHED: 1.2
  • UOPS_PORT_0: 0.4
  • UOPS_PORT_1: 0.4
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 0.4

With loop_count=100 and unroll_count=100

• Code:

     0:	49 81 f8 00 00 00 01 	cmp    r8,0x1000000
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 0.45
  • Reference cycles: 0.45
  • RS_UOPS_DISPATCHED: 1.02
  • UOPS_PORT_0: 0.32
  • UOPS_PORT_1: 0.33
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 0.37