RDTSCP - Throughput and Uops

With unroll_count=500 and no inner loop

Code:
```
   0:	0f 01 f9             	rdtscp 
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 30.0
- Reference cycles: 27.7
- UOPS_RETIRED.ANY: 23.0
- RETIRE_SLOTS: 23.0
- UOPS_MS: 48.0
- UOPS_PORT_0: 7.0
- UOPS_PORT_1: 9.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- INST_DECODED.DEC0: 1.0

With loop_count=1000 and unroll_count=10

Code:
```
   0:	0f 01 f9             	rdtscp 
```
Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 30.2
- Reference cycles: 27.88
- UOPS_RETIRED.ANY: 23.2
- RETIRE_SLOTS: 23.2
- UOPS_MS: 48.0
- UOPS_PORT_0: 6.8
- UOPS_PORT_1: 8.9
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- INST_DECODED.DEC0: 1.0

With loop_count=100 and unroll_count=100

Code:
```
   0:	0f 01 f9             	rdtscp 
```
Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 30.02
- Reference cycles: 27.71
- UOPS_RETIRED.ANY: 23.02
- RETIRE_SLOTS: 23.02
- UOPS_MS: 48.0
- UOPS_PORT_0: 6.98
- UOPS_PORT_1: 8.99
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 30.02
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- INST_DECODED.DEC0: 1.0