RDMSR - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	0f 32                	rdmsr  
  

• Init:

  MOV RCX, 0xE7

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 72.5
  • Reference cycles: 43.96
  • TOPDOWN_RETIRING.ALL: 61.0
  • UOPS_MS: 61.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	0f 32                	rdmsr  
  

• Init:

  MOV RCX, 0xE7

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 72.3
  • Reference cycles: 43.84
  • TOPDOWN_RETIRING.ALL: 61.1
  • UOPS_MS: 60.9

With loop_count=100 and unroll_count=100

• Code:

     0:	0f 32                	rdmsr  
  

• Init:

  MOV RCX, 0xE7

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 72.48
  • Reference cycles: 43.95
  • TOPDOWN_RETIRING.ALL: 61.01
  • UOPS_MS: 60.99