IMUL (R32, R32)

Experiment 1 (with R9D=0)

Instruction: IMUL R8D, R9D

Code:

   0:	45 0f af c1          	imul   r8d,r9d

Init:
```
MOV R9D, 0
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 2.98
- Reference cycles: 2.5
- UOPS_EXECUTED.THREAD: 1.0

Experiment 2 (with R9D=1)

Instruction: IMUL R8D, R9D

Code:

   0:	45 0f af c1          	imul   r8d,r9d

Init:
```
MOV R9D, 1
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 3.0
- Reference cycles: 2.08
- UOPS_EXECUTED.THREAD: 1.0

Experiment 3 (with R9D=2)

Instruction: IMUL R8D, R9D

Code:

   0:	45 0f af c1          	imul   r8d,r9d

Init:
```
MOV R9D, 2
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 3.0
- Reference cycles: 2.08
- UOPS_EXECUTED.THREAD: 1.0

Experiment 4 (with R9D=0)

Instruction: IMUL R8D, R9D
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:	45 0f af c1          	imul   r8d,r9d
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 0
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 7.29
- UOPS_EXECUTED.THREAD: 8.03

Experiment 5 (with R9D=1)

Instruction: IMUL R8D, R9D
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:	45 0f af c1          	imul   r8d,r9d
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 1
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 6.46
- UOPS_EXECUTED.THREAD: 8.0

Experiment 6 (with R9D=2)

Instruction: IMUL R8D, R9D
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:	45 0f af c1          	imul   r8d,r9d
   4:	4d 63 c0             	movsxd r8,r8d
   7:	4d 63 c0             	movsxd r8,r8d
   a:	4d 63 c0             	movsxd r8,r8d
   d:	4d 63 c0             	movsxd r8,r8d
  10:	4d 63 c0             	movsxd r8,r8d
  13:	4d 63 c0             	movsxd r8,r8d
  16:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 2
```
Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 10.0
- Reference cycles: 6.25
- UOPS_EXECUTED.THREAD: 8.0

Latency operand 1 → 3: 3

Experiment 1 (with R9D=0)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVO R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 40 ff          	cmovo  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 0
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 6.88
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2 (with R9D=1)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVO R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 40 ff          	cmovo  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 1
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.03
- Reference cycles: 6.67
- UOPS_EXECUTED.THREAD: 9.0

Experiment 3 (with R9D=2)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVO R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 40 ff          	cmovo  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 2
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.03
- Reference cycles: 7.08
- UOPS_EXECUTED.THREAD: 9.0

Experiment 4 (with R9D=0)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVC R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 42 ff          	cmovb  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 0
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.03
- Reference cycles: 6.46
- UOPS_EXECUTED.THREAD: 9.0

Experiment 5 (with R9D=1)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVC R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 42 ff          	cmovb  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 1
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.03
- Reference cycles: 7.08
- UOPS_EXECUTED.THREAD: 9.0

Experiment 6 (with R9D=2)

Instruction: IMUL R8D, R9D
Chain instructions: CMOVC R15D, R15D;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:	45 0f af c1          	imul   r8d,r9d
   4:	45 0f 42 ff          	cmovb  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Init:
```
MOV R9D, 2
```
Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.02
- Reference cycles: 6.46
- UOPS_EXECUTED.THREAD: 9.0

Latency operand 2 → 1: 3

Latency operand 2 → 3: 3

Experiment 1

Instruction: IMUL R9D, R8D
Chain instructions: CMOVO R15D, R15D;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:	45 0f af c8          	imul   r9d,r8d
   4:	45 0f 40 ff          	cmovo  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.03
- Reference cycles: 6.67
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2

Instruction: IMUL R9D, R8D
Chain instructions: CMOVC R15D, R15D;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:	45 0f af c8          	imul   r9d,r8d
   4:	45 0f 42 ff          	cmovb  r15d,r15d
   8:	4d 63 c7             	movsxd r8,r15d
   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
  1a:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- Instructions retired: 9.0
- Core cycles: 11.0
- Reference cycles: 7.5
- UOPS_EXECUTED.THREAD: 9.0

IMUL (R32, R32) - 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 (with R9D=0)

Experiment 2 (with R9D=1)

Experiment 3 (with R9D=2)

Experiment 4 (with R9D=0)

Experiment 5 (with R9D=1)

Experiment 6 (with R9D=2)

Latency operand 1 → 3: 3

Experiment 1 (with R9D=0)

Experiment 2 (with R9D=1)

Experiment 3 (with R9D=2)

Experiment 4 (with R9D=0)

Experiment 5 (with R9D=1)

Experiment 6 (with R9D=2)

Latency operand 2 → 1: 3

Experiment 1

Latency operand 2 → 3: 3

Experiment 1

Experiment 2