DIV (M32)

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EAX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e0             	movsxd r12,eax
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 49.64
- Reference cycles: 24.83
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EAX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e0             	movsxd r12,eax
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 61.64
- Reference cycles: 30.83
- UOPS_RETIRED.ALL: 37.0

Latency operand 1 → 2 (address, index register): 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EAX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e0             	movsxd r12,eax
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 49.64
- Reference cycles: 24.83
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EAX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e0             	movsxd r12,eax
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 61.64
- Reference cycles: 30.83
- UOPS_RETIRED.ALL: 37.0

Latency operand 1 → 3 (address, base register): 27 ≤ lat ≤ 39

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EDX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e2             	movsxd r12,edx
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 50.67
- Reference cycles: 25.35
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EDX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e2             	movsxd r12,edx
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 62.67
- Reference cycles: 31.33
- UOPS_RETIRED.ALL: 37.0

Latency operand 1 → 3 (address, index register): 27 ≤ lat ≤ 39

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EDX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e2             	movsxd r12,edx
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 50.67
- Reference cycles: 25.35
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: MOVSX R12, EDX; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; XOR R14, R12; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 23

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	4c 63 e2             	movsxd r12,edx
   6:	4d 31 e6             	xor    r14,r12
   9:	4d 31 e6             	xor    r14,r12
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	4d 31 e6             	xor    r14,r12
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	4d 31 e6             	xor    r14,r12
  3c:	4d 31 e6             	xor    r14,r12
  3f:	4d 31 e6             	xor    r14,r12
  42:	4d 31 e6             	xor    r14,r12
  45:	4d 31 e6             	xor    r14,r12
  48:	44 89 c0             	mov    eax,r8d
  4b:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 62.67
- Reference cycles: 31.31
- UOPS_RETIRED.ALL: 37.0

Latency operand 2 → 2: 25 ≤ lat ≤ 37

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EAX, R8D; OR EAX, R8D; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; ; MOV EDX, R9D
Chain latency: 24

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	44 21 c0             	and    eax,r8d
   6:	44 09 c0             	or     eax,r8d
   9:	09 c0                	or     eax,eax
   b:	09 c0                	or     eax,eax
   d:	09 c0                	or     eax,eax
   f:	09 c0                	or     eax,eax
  11:	09 c0                	or     eax,eax
  13:	09 c0                	or     eax,eax
  15:	09 c0                	or     eax,eax
  17:	09 c0                	or     eax,eax
  19:	09 c0                	or     eax,eax
  1b:	09 c0                	or     eax,eax
  1d:	09 c0                	or     eax,eax
  1f:	09 c0                	or     eax,eax
  21:	09 c0                	or     eax,eax
  23:	09 c0                	or     eax,eax
  25:	09 c0                	or     eax,eax
  27:	09 c0                	or     eax,eax
  29:	09 c0                	or     eax,eax
  2b:	09 c0                	or     eax,eax
  2d:	09 c0                	or     eax,eax
  2f:	09 c0                	or     eax,eax
  31:	09 c0                	or     eax,eax
  33:	09 c0                	or     eax,eax
  35:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 49.25
- Reference cycles: 24.57
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EAX, R8D; OR EAX, R8D; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; ; MOV EDX, R9D
Chain latency: 24

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	44 21 c0             	and    eax,r8d
   6:	44 09 c0             	or     eax,r8d
   9:	09 c0                	or     eax,eax
   b:	09 c0                	or     eax,eax
   d:	09 c0                	or     eax,eax
   f:	09 c0                	or     eax,eax
  11:	09 c0                	or     eax,eax
  13:	09 c0                	or     eax,eax
  15:	09 c0                	or     eax,eax
  17:	09 c0                	or     eax,eax
  19:	09 c0                	or     eax,eax
  1b:	09 c0                	or     eax,eax
  1d:	09 c0                	or     eax,eax
  1f:	09 c0                	or     eax,eax
  21:	09 c0                	or     eax,eax
  23:	09 c0                	or     eax,eax
  25:	09 c0                	or     eax,eax
  27:	09 c0                	or     eax,eax
  29:	09 c0                	or     eax,eax
  2b:	09 c0                	or     eax,eax
  2d:	09 c0                	or     eax,eax
  2f:	09 c0                	or     eax,eax
  31:	09 c0                	or     eax,eax
  33:	09 c0                	or     eax,eax
  35:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 61.25
- Reference cycles: 30.62
- UOPS_RETIRED.ALL: 37.0

Latency operand 2 → 3: 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EAX, EDX; AND EAX, R8D; OR EAX, R8D; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; ; MOV EDX, R9D
Chain latency: 25

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	21 d0                	and    eax,edx
   5:	44 21 c0             	and    eax,r8d
   8:	44 09 c0             	or     eax,r8d
   b:	09 c0                	or     eax,eax
   d:	09 c0                	or     eax,eax
   f:	09 c0                	or     eax,eax
  11:	09 c0                	or     eax,eax
  13:	09 c0                	or     eax,eax
  15:	09 c0                	or     eax,eax
  17:	09 c0                	or     eax,eax
  19:	09 c0                	or     eax,eax
  1b:	09 c0                	or     eax,eax
  1d:	09 c0                	or     eax,eax
  1f:	09 c0                	or     eax,eax
  21:	09 c0                	or     eax,eax
  23:	09 c0                	or     eax,eax
  25:	09 c0                	or     eax,eax
  27:	09 c0                	or     eax,eax
  29:	09 c0                	or     eax,eax
  2b:	09 c0                	or     eax,eax
  2d:	09 c0                	or     eax,eax
  2f:	09 c0                	or     eax,eax
  31:	09 c0                	or     eax,eax
  33:	09 c0                	or     eax,eax
  35:	09 c0                	or     eax,eax
  37:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 51.5
- Reference cycles: 25.76
- UOPS_RETIRED.ALL: 38.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EAX, EDX; AND EAX, R8D; OR EAX, R8D; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; OR EAX, EAX; ; MOV EDX, R9D
Chain latency: 25

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	21 d0                	and    eax,edx
   5:	44 21 c0             	and    eax,r8d
   8:	44 09 c0             	or     eax,r8d
   b:	09 c0                	or     eax,eax
   d:	09 c0                	or     eax,eax
   f:	09 c0                	or     eax,eax
  11:	09 c0                	or     eax,eax
  13:	09 c0                	or     eax,eax
  15:	09 c0                	or     eax,eax
  17:	09 c0                	or     eax,eax
  19:	09 c0                	or     eax,eax
  1b:	09 c0                	or     eax,eax
  1d:	09 c0                	or     eax,eax
  1f:	09 c0                	or     eax,eax
  21:	09 c0                	or     eax,eax
  23:	09 c0                	or     eax,eax
  25:	09 c0                	or     eax,eax
  27:	09 c0                	or     eax,eax
  29:	09 c0                	or     eax,eax
  2b:	09 c0                	or     eax,eax
  2d:	09 c0                	or     eax,eax
  2f:	09 c0                	or     eax,eax
  31:	09 c0                	or     eax,eax
  33:	09 c0                	or     eax,eax
  35:	09 c0                	or     eax,eax
  37:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 63.5
- Reference cycles: 31.76
- UOPS_RETIRED.ALL: 38.0

Latency operand 3 → 2: 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EDX, EAX; AND EDX, R9D; OR EDX, R9D; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; ; MOV EAX, R8D
Chain latency: 25

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	21 c2                	and    edx,eax
   5:	44 21 ca             	and    edx,r9d
   8:	44 09 ca             	or     edx,r9d
   b:	09 d2                	or     edx,edx
   d:	09 d2                	or     edx,edx
   f:	09 d2                	or     edx,edx
  11:	09 d2                	or     edx,edx
  13:	09 d2                	or     edx,edx
  15:	09 d2                	or     edx,edx
  17:	09 d2                	or     edx,edx
  19:	09 d2                	or     edx,edx
  1b:	09 d2                	or     edx,edx
  1d:	09 d2                	or     edx,edx
  1f:	09 d2                	or     edx,edx
  21:	09 d2                	or     edx,edx
  23:	09 d2                	or     edx,edx
  25:	09 d2                	or     edx,edx
  27:	09 d2                	or     edx,edx
  29:	09 d2                	or     edx,edx
  2b:	09 d2                	or     edx,edx
  2d:	09 d2                	or     edx,edx
  2f:	09 d2                	or     edx,edx
  31:	09 d2                	or     edx,edx
  33:	09 d2                	or     edx,edx
  35:	09 d2                	or     edx,edx
  37:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 51.5
- Reference cycles: 25.76
- UOPS_RETIRED.ALL: 38.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EDX, EAX; AND EDX, R9D; OR EDX, R9D; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; ; MOV EAX, R8D
Chain latency: 25

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	21 c2                	and    edx,eax
   5:	44 21 ca             	and    edx,r9d
   8:	44 09 ca             	or     edx,r9d
   b:	09 d2                	or     edx,edx
   d:	09 d2                	or     edx,edx
   f:	09 d2                	or     edx,edx
  11:	09 d2                	or     edx,edx
  13:	09 d2                	or     edx,edx
  15:	09 d2                	or     edx,edx
  17:	09 d2                	or     edx,edx
  19:	09 d2                	or     edx,edx
  1b:	09 d2                	or     edx,edx
  1d:	09 d2                	or     edx,edx
  1f:	09 d2                	or     edx,edx
  21:	09 d2                	or     edx,edx
  23:	09 d2                	or     edx,edx
  25:	09 d2                	or     edx,edx
  27:	09 d2                	or     edx,edx
  29:	09 d2                	or     edx,edx
  2b:	09 d2                	or     edx,edx
  2d:	09 d2                	or     edx,edx
  2f:	09 d2                	or     edx,edx
  31:	09 d2                	or     edx,edx
  33:	09 d2                	or     edx,edx
  35:	09 d2                	or     edx,edx
  37:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 63.5
- Reference cycles: 31.81
- UOPS_RETIRED.ALL: 38.0

Latency operand 3 → 3: 25 ≤ lat ≤ 37

Experiment 1 (fast division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EDX, R9D; OR EDX, R9D; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; ; MOV EAX, R8D
Chain latency: 24

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	44 21 ca             	and    edx,r9d
   6:	44 09 ca             	or     edx,r9d
   9:	09 d2                	or     edx,edx
   b:	09 d2                	or     edx,edx
   d:	09 d2                	or     edx,edx
   f:	09 d2                	or     edx,edx
  11:	09 d2                	or     edx,edx
  13:	09 d2                	or     edx,edx
  15:	09 d2                	or     edx,edx
  17:	09 d2                	or     edx,edx
  19:	09 d2                	or     edx,edx
  1b:	09 d2                	or     edx,edx
  1d:	09 d2                	or     edx,edx
  1f:	09 d2                	or     edx,edx
  21:	09 d2                	or     edx,edx
  23:	09 d2                	or     edx,edx
  25:	09 d2                	or     edx,edx
  27:	09 d2                	or     edx,edx
  29:	09 d2                	or     edx,edx
  2b:	09 d2                	or     edx,edx
  2d:	09 d2                	or     edx,edx
  2f:	09 d2                	or     edx,edx
  31:	09 d2                	or     edx,edx
  33:	09 d2                	or     edx,edx
  35:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 49.5
- Reference cycles: 24.7
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV dword ptr [R14]
Chain instructions: AND EDX, R9D; OR EDX, R9D; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; OR EDX, EDX; ; MOV EAX, R8D
Chain latency: 24

Code:

   0:	41 f7 36             	div    DWORD PTR [r14]
   3:	44 21 ca             	and    edx,r9d
   6:	44 09 ca             	or     edx,r9d
   9:	09 d2                	or     edx,edx
   b:	09 d2                	or     edx,edx
   d:	09 d2                	or     edx,edx
   f:	09 d2                	or     edx,edx
  11:	09 d2                	or     edx,edx
  13:	09 d2                	or     edx,edx
  15:	09 d2                	or     edx,edx
  17:	09 d2                	or     edx,edx
  19:	09 d2                	or     edx,edx
  1b:	09 d2                	or     edx,edx
  1d:	09 d2                	or     edx,edx
  1f:	09 d2                	or     edx,edx
  21:	09 d2                	or     edx,edx
  23:	09 d2                	or     edx,edx
  25:	09 d2                	or     edx,edx
  27:	09 d2                	or     edx,edx
  29:	09 d2                	or     edx,edx
  2b:	09 d2                	or     edx,edx
  2d:	09 d2                	or     edx,edx
  2f:	09 d2                	or     edx,edx
  31:	09 d2                	or     edx,edx
  33:	09 d2                	or     edx,edx
  35:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV [R14], RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 61.5
- Reference cycles: 30.72
- UOPS_RETIRED.ALL: 37.0

DIV (M32) - Latency

Operands

Latency operand 1 → 2 (address, base register): 26 ≤ lat ≤ 38

Latency operand 1 → 2 (address, index register): 26 ≤ lat ≤ 38

Latency operand 1 → 3 (address, base register): 27 ≤ lat ≤ 39

Latency operand 1 → 3 (address, index register): 27 ≤ lat ≤ 39

Latency operand 2 → 2: 25 ≤ lat ≤ 37

Latency operand 2 → 3: 26 ≤ lat ≤ 38

Latency operand 3 → 2: 26 ≤ lat ≤ 38

Latency operand 3 → 3: 25 ≤ lat ≤ 37

Latency operand 1 → 2 (address, base register): 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 2 (address, index register): 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 3 (address, base register): 27 ≤ lat ≤ 39

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 3 (address, index register): 27 ≤ lat ≤ 39

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 2: 25 ≤ lat ≤ 37

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 3: 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 2: 26 ≤ lat ≤ 38

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 3: 25 ≤ lat ≤ 37

Experiment 1 (fast division)

Experiment 2 (slow division)