LOOPNE (Rel8)

Experiment 1

Instruction: LOOPNE 1f; 1:
Code:
```
   0:	e0 00                	loopne 0x2
```
Show nanoBench command
Results:
- MPERF: 0.94
- APERF: 1.0
- UOPS: 1.0

Experiment 2

Instruction: LOOPNE 1f; 1:
Chain instructions: MOVSX RCX, ECX;MOVSX RCX, ECX;MOVSX RCX, ECX;MOVSX RCX, ECX;MOVSX RCX, ECX
Chain latency: 5

Code:

   0:	e0 00                	loopne 0x2
   2:	48 63 c9             	movsxd rcx,ecx
   5:	48 63 c9             	movsxd rcx,ecx
   8:	48 63 c9             	movsxd rcx,ecx
   b:	48 63 c9             	movsxd rcx,ecx
   e:	48 63 c9             	movsxd rcx,ecx

Show nanoBench command
Results:
- MPERF: 5.17
- APERF: 6.0
- UOPS: 6.0

Experiment 1

Instruction: LOOPNE 1f; 1:
Chain instruction: TEST RCX, RCX
Chain latency: 1

Code:

   0:	e0 00                	loopne 0x2
   2:	48 85 c9             	test   rcx,rcx

Show nanoBench command
Results:
- MPERF: 1.65
- APERF: 2.0
- UOPS: 2.0

Experiment 2

Instruction: LOOPNE 1f; 1:
Chain instructions: MOVSX RCX, ECX;MOVSX RCX, ECX;MOVSX RCX, ECX;MOVSX RCX, ECX;TEST RCX, RCX
Chain latency: 5

Code:

   0:	e0 00                	loopne 0x2
   2:	48 63 c9             	movsxd rcx,ecx
   5:	48 63 c9             	movsxd rcx,ecx
   8:	48 63 c9             	movsxd rcx,ecx
   b:	48 63 c9             	movsxd rcx,ecx
   e:	48 85 c9             	test   rcx,rcx

Show nanoBench command
Results:
- MPERF: 5.17
- APERF: 6.01
- UOPS: 6.0

LOOPNE (Rel8) - Latency

Operands

Latency operand 2 → 2: 1

Latency operand 4 → 2: 1

Latency operand 2 → 2: 1

Experiment 1

Experiment 2

Latency operand 4 → 2: 1

Experiment 1

Experiment 2