MUL (R32)

Experiment 1

Instruction: MUL 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:	41 f7 e0             	mul    r8d
   3:	45 0f 42 ff          	cmovb  r15d,r15d
   7:	4d 63 c7             	movsxd r8,r15d
   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
  19:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Experiment 2

Instruction: MUL 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:	41 f7 e0             	mul    r8d
   3:	45 0f 40 ff          	cmovo  r15d,r15d
   7:	4d 63 c7             	movsxd r8,r15d
   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
  19:	4d 63 c0             	movsxd r8,r8d

Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Latency operand 2 → 2: 3

Experiment 1 (with R8D=0)

Instruction: MUL R8D
Code:
```
   0:	41 f7 e0             	mul    r8d
```
Init:
```
MOV R8D, 0
```
Show nanoBench command
Results:
- MPERF: 2.52
- APERF: 3.0
- UOPS: 2.0

Experiment 2 (with R8D=1)

Instruction: MUL R8D
Code:
```
   0:	41 f7 e0             	mul    r8d
```
Init:
```
MOV R8D, 1
```
Show nanoBench command
Results:
- MPERF: 2.52
- APERF: 3.0
- UOPS: 2.0

Experiment 3 (with R8D=2)

Instruction: MUL R8D
Code:
```
   0:	41 f7 e0             	mul    r8d
```
Init:
```
MOV R8D, 2
```
Show nanoBench command
Results:
- MPERF: 2.58
- APERF: 3.0
- UOPS: 2.0

Experiment 4 (with R8D=0)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c0             	movsxd rax,eax
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 0
```
Show nanoBench command
Results:
- MPERF: 8.64
- APERF: 10.26
- UOPS: 9.0

Experiment 5 (with R8D=1)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c0             	movsxd rax,eax
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 1
```
Show nanoBench command
Results:
- MPERF: 8.64
- APERF: 10.26
- UOPS: 9.0

Experiment 6 (with R8D=2)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c0             	movsxd rax,eax
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 2
```
Show nanoBench command
Results:
- MPERF: 8.64
- APERF: 10.26
- UOPS: 9.0

Latency operand 2 → 3: 4

Experiment 1 (with R8D=0)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EDX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c2             	movsxd rax,edx
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 0
```
Show nanoBench command
Results:
- MPERF: 9.0
- APERF: 11.0
- UOPS: 9.0

Experiment 2 (with R8D=1)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EDX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c2             	movsxd rax,edx
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 1
```
Show nanoBench command
Results:
- MPERF: 9.0
- APERF: 11.0
- UOPS: 9.0

Experiment 3 (with R8D=2)

Instruction: MUL R8D
Chain instructions: MOVSX RAX, EDX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 7

Code:

   0:	41 f7 e0             	mul    r8d
   3:	48 63 c2             	movsxd rax,edx
   6:	48 63 c0             	movsxd rax,eax
   9:	48 63 c0             	movsxd rax,eax
   c:	48 63 c0             	movsxd rax,eax
   f:	48 63 c0             	movsxd rax,eax
  12:	48 63 c0             	movsxd rax,eax
  15:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 2
```
Show nanoBench command
Results:
- MPERF: 9.36
- APERF: 11.0
- UOPS: 9.0

Latency operand 2 → 4: 4

Experiment 1 (with R8D=0)

Instruction: MUL R8D
Chain instructions: CMOVC R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 42 ff          	cmovb  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 0
```
Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Experiment 2 (with R8D=1)

Instruction: MUL R8D
Chain instructions: CMOVC R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 42 ff          	cmovb  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 1
```
Show nanoBench command
Results:
- MPERF: 9.9
- APERF: 12.0
- UOPS: 10.0

Experiment 3 (with R8D=2)

Instruction: MUL R8D
Chain instructions: CMOVC R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 42 ff          	cmovb  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 2
```
Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Experiment 4 (with R8D=0)

Instruction: MUL R8D
Chain instructions: CMOVO R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 40 ff          	cmovo  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 0
```
Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Experiment 5 (with R8D=1)

Instruction: MUL R8D
Chain instructions: CMOVO R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 40 ff          	cmovo  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 1
```
Show nanoBench command
Results:
- MPERF: 10.08
- APERF: 12.0
- UOPS: 10.0

Experiment 6 (with R8D=2)

Instruction: MUL R8D
Chain instructions: CMOVO R15D, R15D;MOVSX RAX, R15D;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX;MOVSX RAX, EAX
Chain latency: 8

Code:

   0:	41 f7 e0             	mul    r8d
   3:	45 0f 40 ff          	cmovo  r15d,r15d
   7:	49 63 c7             	movsxd rax,r15d
   a:	48 63 c0             	movsxd rax,eax
   d:	48 63 c0             	movsxd rax,eax
  10:	48 63 c0             	movsxd rax,eax
  13:	48 63 c0             	movsxd rax,eax
  16:	48 63 c0             	movsxd rax,eax
  19:	48 63 c0             	movsxd rax,eax

Init:
```
MOV R8D, 2
```
Show nanoBench command
Results:
- MPERF: 9.96
- APERF: 12.0
- UOPS: 10.0

MUL (R32) - Latency

Operands

Latency operand 1 → 2: 3

Latency operand 1 → 3: 4

Latency operand 1 → 4: 4

Latency operand 2 → 2: 3

Latency operand 2 → 3: 4

Latency operand 2 → 4: 4

Latency operand 1 → 2: 3

Experiment 1

Latency operand 1 → 3: 4

Experiment 1

Latency operand 1 → 4: 4

Experiment 1

Experiment 2

Latency operand 2 → 2: 3

Experiment 1 (with R8D=0)

Experiment 2 (with R8D=1)

Experiment 3 (with R8D=2)

Experiment 4 (with R8D=0)

Experiment 5 (with R8D=1)

Experiment 6 (with R8D=2)

Latency operand 2 → 3: 4

Experiment 1 (with R8D=0)

Experiment 2 (with R8D=1)

Experiment 3 (with R8D=2)

Latency operand 2 → 4: 4

Experiment 1 (with R8D=0)

Experiment 2 (with R8D=1)

Experiment 3 (with R8D=2)

Experiment 4 (with R8D=0)

Experiment 5 (with R8D=1)

Experiment 6 (with R8D=2)