CRC32 (R64, R64) - Latency

Operands

Operand 1 (r/w): Register (RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI, R8, R9, R10, R11, R12, R13, R14, R15)
Operand 2 (r): Register (RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI, R8, R9, R10, R11, R12, R13, R14, R15)

Latency operand 1 → 1: 3

Latency operand 2 → 1: 3

Latency operand 1 → 1: 3

Experiment 1

Instruction: CRC32 R8, R9

Code:

   0:	f2 4d 0f 38 f1 c1    	crc32  r8,r9

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 3.0
- Reference cycles: 1.84
- UOPS_EXECUTED.THREAD: 1.0

Experiment 2

Instruction: CRC32 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:	f2 4d 0f 38 f1 c1    	crc32  r8,r9
   6:	4d 63 c0             	movsxd r8,r8d
   9:	4d 63 c0             	movsxd r8,r8d
   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

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 6.44
- UOPS_EXECUTED.THREAD: 8.0

Latency operand 2 → 1: 3

Experiment 1

Instruction: CRC32 R9, R8
Chain instructions: MOVSX R8, R9D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
Chain latency: 7

Code:

   0:	f2 4d 0f 38 f1 c8    	crc32  r9,r8
   6:	4d 63 c1             	movsxd r8,r9d
   9:	4d 63 c0             	movsxd r8,r8d
   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

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 6.9
- UOPS_EXECUTED.THREAD: 8.0