INVLPG (M8) - Throughput and Uops

With a non-indexed addressing mode

With 1 independent instruction

With unroll_count=500 and no inner loop

Code:

   0:	41 0f 01 3e          	invlpg BYTE PTR [r14]

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 216.13
- Reference cycles: 71.63
- UOPS_EXECUTED.THREAD: 43.01
- RETIRE_SLOTS: 42.0
- UOPS_MITE: 0.01
- UOPS_MS: 44.03
- UOPS_PORT_0: 6.99
- UOPS_PORT_1: 6.0
- UOPS_PORT_5: 8.0
- UOPS_PORT_6: 12.01
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

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

Code:

   0:	41 0f 01 3e          	invlpg BYTE PTR [r14]
   4:	90                   	nop

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 216.58
- Reference cycles: 71.78
- UOPS_EXECUTED.THREAD: 43.01
- RETIRE_SLOTS: 43.0
- UOPS_MITE: 1.01
- UOPS_MS: 44.03
- UOPS_PORT_0: 6.99
- UOPS_PORT_1: 6.0
- UOPS_PORT_5: 8.0
- UOPS_PORT_6: 12.01
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:

   0:	41 0f 01 3e          	invlpg BYTE PTR [r14]

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 217.93
- Reference cycles: 71.82
- UOPS_EXECUTED.THREAD: 44.0
- RETIRE_SLOTS: 42.83
- UOPS_MITE: 1.73
- UOPS_MS: 45.6
- UOPS_PORT_0: 6.9
- UOPS_PORT_1: 6.1
- UOPS_PORT_5: 7.9
- UOPS_PORT_6: 13.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:

   0:	41 0f 01 3e          	invlpg BYTE PTR [r14]

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 217.9
- Reference cycles: 71.3
- UOPS_EXECUTED.THREAD: 44.0
- RETIRE_SLOTS: 42.72
- UOPS_MITE: 1.72
- UOPS_MS: 45.6
- UOPS_PORT_0: 6.9
- UOPS_PORT_1: 6.1
- UOPS_PORT_5: 7.9
- UOPS_PORT_6: 13.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With an indexed addressing mode

With 1 independent instruction

With unroll_count=500 and no inner loop

Code:

   0:	43 0f 01 3c 2e       	invlpg BYTE PTR [r14+r13*1]

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 215.85
- Reference cycles: 71.55
- UOPS_EXECUTED.THREAD: 43.01
- RETIRE_SLOTS: 42.0
- UOPS_MITE: 0.01
- UOPS_MS: 44.03
- UOPS_PORT_0: 6.99
- UOPS_PORT_1: 6.0
- UOPS_PORT_5: 8.0
- UOPS_PORT_6: 12.01
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

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

Code:

   0:	43 0f 01 3c 2e       	invlpg BYTE PTR [r14+r13*1]
   5:	90                   	nop

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 217.43
- Reference cycles: 72.04
- UOPS_EXECUTED.THREAD: 43.0
- RETIRE_SLOTS: 43.0
- UOPS_MITE: 1.0
- UOPS_MS: 44.0
- UOPS_PORT_0: 7.0
- UOPS_PORT_1: 6.0
- UOPS_PORT_5: 8.0
- UOPS_PORT_6: 12.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:

   0:	43 0f 01 3c 2e       	invlpg BYTE PTR [r14+r13*1]

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 217.77
- Reference cycles: 71.82
- UOPS_EXECUTED.THREAD: 44.0
- RETIRE_SLOTS: 42.72
- UOPS_MITE: 1.72
- UOPS_MS: 45.6
- UOPS_PORT_0: 6.9
- UOPS_PORT_1: 6.1
- UOPS_PORT_5: 7.9
- UOPS_PORT_6: 13.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:

   0:	43 0f 01 3c 2e       	invlpg BYTE PTR [r14+r13*1]

Init:
```
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 217.72
- Reference cycles: 71.82
- UOPS_EXECUTED.THREAD: 44.0
- RETIRE_SLOTS: 42.83
- UOPS_MITE: 1.73
- UOPS_MS: 45.6
- UOPS_PORT_0: 6.9
- UOPS_PORT_1: 6.1
- UOPS_PORT_5: 7.9
- UOPS_PORT_6: 13.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 5.0
- UOPS_PORT_78: 5.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0