RDTSC - Throughput and Uops

With unroll_count=500 and no inner loop

Code:
```
   0:	0f 31                	rdtsc  
```
Show nanoBench command
Results:
- MPERF: 31.32
- APERF: 37.45
- UOPS: 37.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:
```
   0:	0f 31                	rdtsc  
```
Show nanoBench command
Results:
- MPERF: 31.37
- APERF: 37.47
- UOPS: 37.2
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:
```
   0:	0f 31                	rdtsc  
```
Show nanoBench command
Results:
- MPERF: 31.45
- APERF: 37.49
- UOPS: 37.02
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0