RDTSC - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	0f 31                	rdtsc  
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 32.0
  • Reference cycles: 32.0
  • RS_UOPS_DISPATCHED: 13.0
  • UOPS_PORT_0: 3.0
  • UOPS_PORT_1: 3.0
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 7.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	0f 31                	rdtsc  
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 32.1
  • Reference cycles: 32.1
  • RS_UOPS_DISPATCHED: 13.2
  • UOPS_PORT_0: 3.2
  • UOPS_PORT_1: 3.1
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 6.9

With loop_count=100 and unroll_count=100

• Code:

     0:	0f 31                	rdtsc  
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 32.01
  • Reference cycles: 32.01
  • RS_UOPS_DISPATCHED: 13.02
  • UOPS_PORT_0: 3.02
  • UOPS_PORT_1: 3.01
  • UOPS_PORT_2: 0.0
  • UOPS_PORT_3: 0.0
  • UOPS_PORT_4: 0.0
  • UOPS_PORT_5: 6.99