VZEROUPPER

With unroll_count=500 and no inner loop

Code:
```
   0:	c5 f8 77             	vzeroupper
```

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 1.0
- Reference cycles: 0.88
- UOPS_EXECUTED.THREAD: 0.0
- RETIRE_SLOTS: 4.0
- UOPS_MITE: 4.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 1 NOP

Code:

   0:	c5 f8 77             	vzeroupper
   3:	90                   	nop

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 1.25
- Reference cycles: 1.17
- UOPS_EXECUTED.THREAD: 0.0
- RETIRE_SLOTS: 5.0
- UOPS_MITE: 5.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 2 NOPs

Code:

   0:	c5 f8 77             	vzeroupper
   3:	90                   	nop
   4:	90                   	nop

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 2.0
- Reference cycles: 1.75
- UOPS_EXECUTED.THREAD: 0.0
- RETIRE_SLOTS: 6.0
- UOPS_MITE: 6.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

Code:
```
   0:	c5 f8 77             	vzeroupper
```

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 1.03
- Reference cycles: 0.92
- UOPS_EXECUTED.THREAD: 0.1
- RETIRE_SLOTS: 4.1
- UOPS_MITE: 4.11
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=1000, unroll_count=10, and padding (long NOPs)

Code:

   0:	c5 f8 77             	vzeroupper
   3:	66 66 66 66 66 66 2e 	data16 data16 data16 data16 data16 cs nop WORD PTR [rax+rax*1+0x0]
   a:	0f 1f 84 00 00 00 00 
  11:	00

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 2.2
- Core cycles: 1.28
- Reference cycles: 1.15
- UOPS_EXECUTED.THREAD: 0.1
- RETIRE_SLOTS: 5.1
- UOPS_MITE: 0.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

Code:
```
   0:	c5 f8 77             	vzeroupper
```

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 1.0
- Reference cycles: 0.91
- UOPS_EXECUTED.THREAD: 0.01
- RETIRE_SLOTS: 4.01
- UOPS_MITE: 4.02
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.01
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=100, unroll_count=100, and padding (long NOPs)

Code:

   0:	c5 f8 77             	vzeroupper
   3:	66 66 66 66 66 66 2e 	data16 data16 data16 data16 data16 cs nop WORD PTR [rax+rax*1+0x0]
   a:	0f 1f 84 00 00 00 00 
  11:	00

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- Instructions retired: 2.02
- Core cycles: 1.26
- Reference cycles: 1.13
- UOPS_EXECUTED.THREAD: 0.01
- RETIRE_SLOTS: 5.01
- UOPS_MITE: 0.05
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 0.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.01
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.01

VZEROUPPER - Throughput and Uops

With unroll_count=500 and no inner loop

With unroll_count=500, no inner loop, and 1 NOP

With unroll_count=500, no inner loop, and 2 NOPs

With loop_count=1000 and unroll_count=10

With loop_count=1000, unroll_count=10, and padding (long NOPs)

With loop_count=100 and unroll_count=100

With loop_count=100, unroll_count=100, and padding (long NOPs)