MUL (R64) - Throughput and Uops

With unroll_count=500 and no inner loop

Code:
```
   0:	49 f7 e0             	mul    r8
```
Show nanoBench command
Results:
- MPERF: 2.53
- APERF: 3.0
- UOPS: 2.0
- 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:	49 f7 e0             	mul    r8
```
Show nanoBench command
Results:
- MPERF: 2.53
- APERF: 3.0
- UOPS: 2.2
- 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:	49 f7 e0             	mul    r8
```
Show nanoBench command
Results:
- MPERF: 2.51
- APERF: 3.0
- UOPS: 2.02
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With additional dependency-breaking instructions

With unroll_count=500 and no inner loop

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	49 f7 e0             	mul    r8

Show nanoBench command
Results:
- MPERF: 0.79
- APERF: 1.0
- UOPS: 3.0
- 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:	48 31 c0             	xor    rax,rax
   3:	49 f7 e0             	mul    r8

Show nanoBench command
Results:
- MPERF: 1.09
- APERF: 1.3
- UOPS: 3.2
- 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:	48 31 c0             	xor    rax,rax
   3:	49 f7 e0             	mul    r8

Show nanoBench command
Results:
- MPERF: 0.84
- APERF: 1.0
- UOPS: 3.02
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0