POPCNT (R64, R64)

Experiment 1

Instruction: POPCNT R8, R9

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 3.0
- Reference cycles: 2.66
- UOPS_EXECUTED.THREAD: 1.0

Experiment 2

Instruction: POPCNT R8, R9
Chain instructions: MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 63 c0             	movsxd r8,r8d
   8:	4d 63 c0             	movsxd r8,r8d
   b:	4d 63 c0             	movsxd r8,r8d
   e:	4d 63 c0             	movsxd r8,r8d
  11:	4d 63 c0             	movsxd r8,r8d
  14:	4d 63 c0             	movsxd r8,r8d
  17:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 9.09
- UOPS_EXECUTED.THREAD: 8.0

Latency operand 1 → 3: 3

Experiment 1

Instruction: POPCNT R8, R9
Chain instructions: CMOVZ R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 10.42
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2

Instruction: POPCNT R8, R9
Chain instructions: CMOVO R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 10.42
- UOPS_EXECUTED.THREAD: 9.0

Experiment 3

Instruction: POPCNT R8, R9
Chain instructions: CMOVC R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.75
- UOPS_EXECUTED.THREAD: 9.0

Experiment 4

Instruction: POPCNT R8, R9
Chain instructions: CMOVP R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.98
- UOPS_EXECUTED.THREAD: 9.0

Experiment 5

Instruction: POPCNT R8, R9
Chain instructions: CMOVS R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c1       	popcnt r8,r9
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.98
- UOPS_EXECUTED.THREAD: 9.0

Latency operand 2 → 1: 3

Latency operand 2 → 3: 3

Experiment 1

Instruction: POPCNT R9, R8
Chain instructions: CMOVZ R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c8       	popcnt r9,r8
   5:	4d 0f 44 ff          	cmove  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.98
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2

Instruction: POPCNT R9, R8
Chain instructions: CMOVO R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c8       	popcnt r9,r8
   5:	4d 0f 40 ff          	cmovo  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.31
- UOPS_EXECUTED.THREAD: 9.0

Experiment 3

Instruction: POPCNT R9, R8
Chain instructions: CMOVC R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c8       	popcnt r9,r8
   5:	4d 0f 42 ff          	cmovb  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.75
- UOPS_EXECUTED.THREAD: 9.0

Experiment 4

Instruction: POPCNT R9, R8
Chain instructions: CMOVP R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c8       	popcnt r9,r8
   5:	4d 0f 4a ff          	cmovp  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 10.42
- UOPS_EXECUTED.THREAD: 9.0

Experiment 5

Instruction: POPCNT R9, R8
Chain instructions: CMOVS R15, R15;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 8

Code:

   0:	f3 4d 0f b8 c8       	popcnt r9,r8
   5:	4d 0f 48 ff          	cmovs  r15,r15
   9:	4d 63 c7             	movsxd r8,r15d
   c:	4d 63 c0             	movsxd r8,r8d
   f:	4d 63 c0             	movsxd r8,r8d
  12:	4d 63 c0             	movsxd r8,r8d
  15:	4d 63 c0             	movsxd r8,r8d
  18:	4d 63 c0             	movsxd r8,r8d
  1b:	4d 63 c0             	movsxd r8,r8d

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 9.98
- UOPS_EXECUTED.THREAD: 9.0

POPCNT (R64, R64) - Latency

Operands

Latency operand 1 → 1: 3

Latency operand 1 → 3: 3

Latency operand 2 → 1: 3

Latency operand 2 → 3: 3

Latency operand 1 → 1: 3

Experiment 1

Experiment 2

Latency operand 1 → 3: 3

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5

Latency operand 2 → 1: 3

Experiment 1

Latency operand 2 → 3: 3

Experiment 1

Experiment 2

Experiment 3

Experiment 4

Experiment 5