IDIV (R32)

Experiment 1 (fast division)

Instruction: IDIV EBX
Chain instructions: AND EBX, EAX; AND EBX, ECX; OR EBX, ECX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 c3                	and    ebx,eax
   4:	21 cb                	and    ebx,ecx
   6:	09 cb                	or     ebx,ecx
   8:	09 db                	or     ebx,ebx
   a:	09 db                	or     ebx,ebx
   c:	09 db                	or     ebx,ebx
   e:	09 db                	or     ebx,ebx
  10:	09 db                	or     ebx,ebx
  12:	09 db                	or     ebx,ebx
  14:	09 db                	or     ebx,ebx
  16:	09 db                	or     ebx,ebx
  18:	09 db                	or     ebx,ebx
  1a:	09 db                	or     ebx,ebx
  1c:	09 db                	or     ebx,ebx
  1e:	09 db                	or     ebx,ebx
  20:	09 db                	or     ebx,ebx
  22:	09 db                	or     ebx,ebx
  24:	09 db                	or     ebx,ebx
  26:	09 db                	or     ebx,ebx
  28:	09 db                	or     ebx,ebx
  2a:	09 db                	or     ebx,ebx
  2c:	09 db                	or     ebx,ebx
  2e:	09 db                	or     ebx,ebx
  30:	09 db                	or     ebx,ebx
  32:	09 db                	or     ebx,ebx
  34:	09 db                	or     ebx,ebx
  36:	09 db                	or     ebx,ebx
  38:	09 db                	or     ebx,ebx
  3a:	09 db                	or     ebx,ebx
  3c:	09 db                	or     ebx,ebx
  3e:	09 db                	or     ebx,ebx
  40:	09 db                	or     ebx,ebx
  42:	09 db                	or     ebx,ebx
  44:	09 db                	or     ebx,ebx
  46:	09 db                	or     ebx,ebx
  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 EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 38.0
- Core cycles: 69.0
- Reference cycles: 34.45
- UOPS_RETIRED.ALL: 66.0

Experiment 2 (slow division)

Instruction: IDIV EBX
Chain instructions: AND EBX, EAX; AND EBX, ECX; OR EBX, ECX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 c3                	and    ebx,eax
   4:	21 cb                	and    ebx,ecx
   6:	09 cb                	or     ebx,ecx
   8:	09 db                	or     ebx,ebx
   a:	09 db                	or     ebx,ebx
   c:	09 db                	or     ebx,ebx
   e:	09 db                	or     ebx,ebx
  10:	09 db                	or     ebx,ebx
  12:	09 db                	or     ebx,ebx
  14:	09 db                	or     ebx,ebx
  16:	09 db                	or     ebx,ebx
  18:	09 db                	or     ebx,ebx
  1a:	09 db                	or     ebx,ebx
  1c:	09 db                	or     ebx,ebx
  1e:	09 db                	or     ebx,ebx
  20:	09 db                	or     ebx,ebx
  22:	09 db                	or     ebx,ebx
  24:	09 db                	or     ebx,ebx
  26:	09 db                	or     ebx,ebx
  28:	09 db                	or     ebx,ebx
  2a:	09 db                	or     ebx,ebx
  2c:	09 db                	or     ebx,ebx
  2e:	09 db                	or     ebx,ebx
  30:	09 db                	or     ebx,ebx
  32:	09 db                	or     ebx,ebx
  34:	09 db                	or     ebx,ebx
  36:	09 db                	or     ebx,ebx
  38:	09 db                	or     ebx,ebx
  3a:	09 db                	or     ebx,ebx
  3c:	09 db                	or     ebx,ebx
  3e:	09 db                	or     ebx,ebx
  40:	09 db                	or     ebx,ebx
  42:	09 db                	or     ebx,ebx
  44:	09 db                	or     ebx,ebx
  46:	09 db                	or     ebx,ebx
  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 EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 38.0
- Core cycles: 81.0
- Reference cycles: 40.5
- UOPS_RETIRED.ALL: 66.0

Latency operand 1 → 3: 33 ≤ lat ≤ 45

Experiment 1 (fast division)

Instruction: IDIV EBX
Chain instructions: AND EBX, EDX; AND EBX, ECX; OR EBX, ECX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 d3                	and    ebx,edx
   4:	21 cb                	and    ebx,ecx
   6:	09 cb                	or     ebx,ecx
   8:	09 db                	or     ebx,ebx
   a:	09 db                	or     ebx,ebx
   c:	09 db                	or     ebx,ebx
   e:	09 db                	or     ebx,ebx
  10:	09 db                	or     ebx,ebx
  12:	09 db                	or     ebx,ebx
  14:	09 db                	or     ebx,ebx
  16:	09 db                	or     ebx,ebx
  18:	09 db                	or     ebx,ebx
  1a:	09 db                	or     ebx,ebx
  1c:	09 db                	or     ebx,ebx
  1e:	09 db                	or     ebx,ebx
  20:	09 db                	or     ebx,ebx
  22:	09 db                	or     ebx,ebx
  24:	09 db                	or     ebx,ebx
  26:	09 db                	or     ebx,ebx
  28:	09 db                	or     ebx,ebx
  2a:	09 db                	or     ebx,ebx
  2c:	09 db                	or     ebx,ebx
  2e:	09 db                	or     ebx,ebx
  30:	09 db                	or     ebx,ebx
  32:	09 db                	or     ebx,ebx
  34:	09 db                	or     ebx,ebx
  36:	09 db                	or     ebx,ebx
  38:	09 db                	or     ebx,ebx
  3a:	09 db                	or     ebx,ebx
  3c:	09 db                	or     ebx,ebx
  3e:	09 db                	or     ebx,ebx
  40:	09 db                	or     ebx,ebx
  42:	09 db                	or     ebx,ebx
  44:	09 db                	or     ebx,ebx
  46:	09 db                	or     ebx,ebx
  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 EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 38.0
- Core cycles: 68.3
- Reference cycles: 34.17
- UOPS_RETIRED.ALL: 66.0

Experiment 2 (slow division)

Instruction: IDIV EBX
Chain instructions: AND EBX, EDX; AND EBX, ECX; OR EBX, ECX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; OR EBX, EBX; ; MOV EAX, R8D;MOV EDX, R9D
Chain latency: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 d3                	and    ebx,edx
   4:	21 cb                	and    ebx,ecx
   6:	09 cb                	or     ebx,ecx
   8:	09 db                	or     ebx,ebx
   a:	09 db                	or     ebx,ebx
   c:	09 db                	or     ebx,ebx
   e:	09 db                	or     ebx,ebx
  10:	09 db                	or     ebx,ebx
  12:	09 db                	or     ebx,ebx
  14:	09 db                	or     ebx,ebx
  16:	09 db                	or     ebx,ebx
  18:	09 db                	or     ebx,ebx
  1a:	09 db                	or     ebx,ebx
  1c:	09 db                	or     ebx,ebx
  1e:	09 db                	or     ebx,ebx
  20:	09 db                	or     ebx,ebx
  22:	09 db                	or     ebx,ebx
  24:	09 db                	or     ebx,ebx
  26:	09 db                	or     ebx,ebx
  28:	09 db                	or     ebx,ebx
  2a:	09 db                	or     ebx,ebx
  2c:	09 db                	or     ebx,ebx
  2e:	09 db                	or     ebx,ebx
  30:	09 db                	or     ebx,ebx
  32:	09 db                	or     ebx,ebx
  34:	09 db                	or     ebx,ebx
  36:	09 db                	or     ebx,ebx
  38:	09 db                	or     ebx,ebx
  3a:	09 db                	or     ebx,ebx
  3c:	09 db                	or     ebx,ebx
  3e:	09 db                	or     ebx,ebx
  40:	09 db                	or     ebx,ebx
  42:	09 db                	or     ebx,ebx
  44:	09 db                	or     ebx,ebx
  46:	09 db                	or     ebx,ebx
  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 EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 38.0
- Core cycles: 80.3
- Reference cycles: 40.17
- UOPS_RETIRED.ALL: 66.0

Latency operand 2 → 2: 33 ≤ lat ≤ 45

Experiment 1 (fast division)

Instruction: IDIV EBX
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; 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: 34

Code:

   0:	f7 fb                	idiv   ebx
   2:	44 21 c0             	and    eax,r8d
   5:	44 09 c0             	or     eax,r8d
   8:	09 c0                	or     eax,eax
   a:	09 c0                	or     eax,eax
   c:	09 c0                	or     eax,eax
   e:	09 c0                	or     eax,eax
  10:	09 c0                	or     eax,eax
  12:	09 c0                	or     eax,eax
  14:	09 c0                	or     eax,eax
  16:	09 c0                	or     eax,eax
  18:	09 c0                	or     eax,eax
  1a:	09 c0                	or     eax,eax
  1c:	09 c0                	or     eax,eax
  1e:	09 c0                	or     eax,eax
  20:	09 c0                	or     eax,eax
  22:	09 c0                	or     eax,eax
  24:	09 c0                	or     eax,eax
  26:	09 c0                	or     eax,eax
  28:	09 c0                	or     eax,eax
  2a:	09 c0                	or     eax,eax
  2c:	09 c0                	or     eax,eax
  2e:	09 c0                	or     eax,eax
  30:	09 c0                	or     eax,eax
  32:	09 c0                	or     eax,eax
  34:	09 c0                	or     eax,eax
  36:	09 c0                	or     eax,eax
  38:	09 c0                	or     eax,eax
  3a:	09 c0                	or     eax,eax
  3c:	09 c0                	or     eax,eax
  3e:	09 c0                	or     eax,eax
  40:	09 c0                	or     eax,eax
  42:	09 c0                	or     eax,eax
  44:	09 c0                	or     eax,eax
  46:	09 c0                	or     eax,eax
  48:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 36.0
- Core cycles: 67.33
- Reference cycles: 33.67
- UOPS_RETIRED.ALL: 64.0

Experiment 2 (slow division)

Instruction: IDIV EBX
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; 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: 34

Code:

   0:	f7 fb                	idiv   ebx
   2:	44 21 c0             	and    eax,r8d
   5:	44 09 c0             	or     eax,r8d
   8:	09 c0                	or     eax,eax
   a:	09 c0                	or     eax,eax
   c:	09 c0                	or     eax,eax
   e:	09 c0                	or     eax,eax
  10:	09 c0                	or     eax,eax
  12:	09 c0                	or     eax,eax
  14:	09 c0                	or     eax,eax
  16:	09 c0                	or     eax,eax
  18:	09 c0                	or     eax,eax
  1a:	09 c0                	or     eax,eax
  1c:	09 c0                	or     eax,eax
  1e:	09 c0                	or     eax,eax
  20:	09 c0                	or     eax,eax
  22:	09 c0                	or     eax,eax
  24:	09 c0                	or     eax,eax
  26:	09 c0                	or     eax,eax
  28:	09 c0                	or     eax,eax
  2a:	09 c0                	or     eax,eax
  2c:	09 c0                	or     eax,eax
  2e:	09 c0                	or     eax,eax
  30:	09 c0                	or     eax,eax
  32:	09 c0                	or     eax,eax
  34:	09 c0                	or     eax,eax
  36:	09 c0                	or     eax,eax
  38:	09 c0                	or     eax,eax
  3a:	09 c0                	or     eax,eax
  3c:	09 c0                	or     eax,eax
  3e:	09 c0                	or     eax,eax
  40:	09 c0                	or     eax,eax
  42:	09 c0                	or     eax,eax
  44:	09 c0                	or     eax,eax
  46:	09 c0                	or     eax,eax
  48:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 36.0
- Core cycles: 79.33
- Reference cycles: 39.67
- UOPS_RETIRED.ALL: 64.0

Latency operand 2 → 3: 34 ≤ lat ≤ 46

Experiment 1 (fast division)

Instruction: IDIV EBX
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; 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: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 d0                	and    eax,edx
   4:	44 21 c0             	and    eax,r8d
   7:	44 09 c0             	or     eax,r8d
   a:	09 c0                	or     eax,eax
   c:	09 c0                	or     eax,eax
   e:	09 c0                	or     eax,eax
  10:	09 c0                	or     eax,eax
  12:	09 c0                	or     eax,eax
  14:	09 c0                	or     eax,eax
  16:	09 c0                	or     eax,eax
  18:	09 c0                	or     eax,eax
  1a:	09 c0                	or     eax,eax
  1c:	09 c0                	or     eax,eax
  1e:	09 c0                	or     eax,eax
  20:	09 c0                	or     eax,eax
  22:	09 c0                	or     eax,eax
  24:	09 c0                	or     eax,eax
  26:	09 c0                	or     eax,eax
  28:	09 c0                	or     eax,eax
  2a:	09 c0                	or     eax,eax
  2c:	09 c0                	or     eax,eax
  2e:	09 c0                	or     eax,eax
  30:	09 c0                	or     eax,eax
  32:	09 c0                	or     eax,eax
  34:	09 c0                	or     eax,eax
  36:	09 c0                	or     eax,eax
  38:	09 c0                	or     eax,eax
  3a:	09 c0                	or     eax,eax
  3c:	09 c0                	or     eax,eax
  3e:	09 c0                	or     eax,eax
  40:	09 c0                	or     eax,eax
  42:	09 c0                	or     eax,eax
  44:	09 c0                	or     eax,eax
  46:	09 c0                	or     eax,eax
  48:	09 c0                	or     eax,eax
  4a:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 37.0
- Core cycles: 69.34
- Reference cycles: 34.67
- UOPS_RETIRED.ALL: 65.0

Experiment 2 (slow division)

Instruction: IDIV EBX
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; 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: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 d0                	and    eax,edx
   4:	44 21 c0             	and    eax,r8d
   7:	44 09 c0             	or     eax,r8d
   a:	09 c0                	or     eax,eax
   c:	09 c0                	or     eax,eax
   e:	09 c0                	or     eax,eax
  10:	09 c0                	or     eax,eax
  12:	09 c0                	or     eax,eax
  14:	09 c0                	or     eax,eax
  16:	09 c0                	or     eax,eax
  18:	09 c0                	or     eax,eax
  1a:	09 c0                	or     eax,eax
  1c:	09 c0                	or     eax,eax
  1e:	09 c0                	or     eax,eax
  20:	09 c0                	or     eax,eax
  22:	09 c0                	or     eax,eax
  24:	09 c0                	or     eax,eax
  26:	09 c0                	or     eax,eax
  28:	09 c0                	or     eax,eax
  2a:	09 c0                	or     eax,eax
  2c:	09 c0                	or     eax,eax
  2e:	09 c0                	or     eax,eax
  30:	09 c0                	or     eax,eax
  32:	09 c0                	or     eax,eax
  34:	09 c0                	or     eax,eax
  36:	09 c0                	or     eax,eax
  38:	09 c0                	or     eax,eax
  3a:	09 c0                	or     eax,eax
  3c:	09 c0                	or     eax,eax
  3e:	09 c0                	or     eax,eax
  40:	09 c0                	or     eax,eax
  42:	09 c0                	or     eax,eax
  44:	09 c0                	or     eax,eax
  46:	09 c0                	or     eax,eax
  48:	09 c0                	or     eax,eax
  4a:	44 89 ca             	mov    edx,r9d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 37.0
- Core cycles: 81.34
- Reference cycles: 40.69
- UOPS_RETIRED.ALL: 65.0

Latency operand 3 → 2: 35 ≤ lat ≤ 47

Experiment 1 (fast division)

Instruction: IDIV EBX
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; 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: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 c2                	and    edx,eax
   4:	44 21 ca             	and    edx,r9d
   7:	44 09 ca             	or     edx,r9d
   a:	09 d2                	or     edx,edx
   c:	09 d2                	or     edx,edx
   e:	09 d2                	or     edx,edx
  10:	09 d2                	or     edx,edx
  12:	09 d2                	or     edx,edx
  14:	09 d2                	or     edx,edx
  16:	09 d2                	or     edx,edx
  18:	09 d2                	or     edx,edx
  1a:	09 d2                	or     edx,edx
  1c:	09 d2                	or     edx,edx
  1e:	09 d2                	or     edx,edx
  20:	09 d2                	or     edx,edx
  22:	09 d2                	or     edx,edx
  24:	09 d2                	or     edx,edx
  26:	09 d2                	or     edx,edx
  28:	09 d2                	or     edx,edx
  2a:	09 d2                	or     edx,edx
  2c:	09 d2                	or     edx,edx
  2e:	09 d2                	or     edx,edx
  30:	09 d2                	or     edx,edx
  32:	09 d2                	or     edx,edx
  34:	09 d2                	or     edx,edx
  36:	09 d2                	or     edx,edx
  38:	09 d2                	or     edx,edx
  3a:	09 d2                	or     edx,edx
  3c:	09 d2                	or     edx,edx
  3e:	09 d2                	or     edx,edx
  40:	09 d2                	or     edx,edx
  42:	09 d2                	or     edx,edx
  44:	09 d2                	or     edx,edx
  46:	09 d2                	or     edx,edx
  48:	09 d2                	or     edx,edx
  4a:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 37.0
- Core cycles: 69.89
- Reference cycles: 34.97
- UOPS_RETIRED.ALL: 65.0

Experiment 2 (slow division)

Instruction: IDIV EBX
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; 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: 35

Code:

   0:	f7 fb                	idiv   ebx
   2:	21 c2                	and    edx,eax
   4:	44 21 ca             	and    edx,r9d
   7:	44 09 ca             	or     edx,r9d
   a:	09 d2                	or     edx,edx
   c:	09 d2                	or     edx,edx
   e:	09 d2                	or     edx,edx
  10:	09 d2                	or     edx,edx
  12:	09 d2                	or     edx,edx
  14:	09 d2                	or     edx,edx
  16:	09 d2                	or     edx,edx
  18:	09 d2                	or     edx,edx
  1a:	09 d2                	or     edx,edx
  1c:	09 d2                	or     edx,edx
  1e:	09 d2                	or     edx,edx
  20:	09 d2                	or     edx,edx
  22:	09 d2                	or     edx,edx
  24:	09 d2                	or     edx,edx
  26:	09 d2                	or     edx,edx
  28:	09 d2                	or     edx,edx
  2a:	09 d2                	or     edx,edx
  2c:	09 d2                	or     edx,edx
  2e:	09 d2                	or     edx,edx
  30:	09 d2                	or     edx,edx
  32:	09 d2                	or     edx,edx
  34:	09 d2                	or     edx,edx
  36:	09 d2                	or     edx,edx
  38:	09 d2                	or     edx,edx
  3a:	09 d2                	or     edx,edx
  3c:	09 d2                	or     edx,edx
  3e:	09 d2                	or     edx,edx
  40:	09 d2                	or     edx,edx
  42:	09 d2                	or     edx,edx
  44:	09 d2                	or     edx,edx
  46:	09 d2                	or     edx,edx
  48:	09 d2                	or     edx,edx
  4a:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 37.0
- Core cycles: 81.89
- Reference cycles: 40.95
- UOPS_RETIRED.ALL: 65.0

Latency operand 3 → 3: 34 ≤ lat ≤ 46

Experiment 1 (fast division)

Instruction: IDIV EBX
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; 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: 34

Code:

   0:	f7 fb                	idiv   ebx
   2:	44 21 ca             	and    edx,r9d
   5:	44 09 ca             	or     edx,r9d
   8:	09 d2                	or     edx,edx
   a:	09 d2                	or     edx,edx
   c:	09 d2                	or     edx,edx
   e:	09 d2                	or     edx,edx
  10:	09 d2                	or     edx,edx
  12:	09 d2                	or     edx,edx
  14:	09 d2                	or     edx,edx
  16:	09 d2                	or     edx,edx
  18:	09 d2                	or     edx,edx
  1a:	09 d2                	or     edx,edx
  1c:	09 d2                	or     edx,edx
  1e:	09 d2                	or     edx,edx
  20:	09 d2                	or     edx,edx
  22:	09 d2                	or     edx,edx
  24:	09 d2                	or     edx,edx
  26:	09 d2                	or     edx,edx
  28:	09 d2                	or     edx,edx
  2a:	09 d2                	or     edx,edx
  2c:	09 d2                	or     edx,edx
  2e:	09 d2                	or     edx,edx
  30:	09 d2                	or     edx,edx
  32:	09 d2                	or     edx,edx
  34:	09 d2                	or     edx,edx
  36:	09 d2                	or     edx,edx
  38:	09 d2                	or     edx,edx
  3a:	09 d2                	or     edx,edx
  3c:	09 d2                	or     edx,edx
  3e:	09 d2                	or     edx,edx
  40:	09 d2                	or     edx,edx
  42:	09 d2                	or     edx,edx
  44:	09 d2                	or     edx,edx
  46:	09 d2                	or     edx,edx
  48:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 36.0
- Core cycles: 68.15
- Reference cycles: 34.08
- UOPS_RETIRED.ALL: 64.0

Experiment 2 (slow division)

Instruction: IDIV EBX
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; 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: 34

Code:

   0:	f7 fb                	idiv   ebx
   2:	44 21 ca             	and    edx,r9d
   5:	44 09 ca             	or     edx,r9d
   8:	09 d2                	or     edx,edx
   a:	09 d2                	or     edx,edx
   c:	09 d2                	or     edx,edx
   e:	09 d2                	or     edx,edx
  10:	09 d2                	or     edx,edx
  12:	09 d2                	or     edx,edx
  14:	09 d2                	or     edx,edx
  16:	09 d2                	or     edx,edx
  18:	09 d2                	or     edx,edx
  1a:	09 d2                	or     edx,edx
  1c:	09 d2                	or     edx,edx
  1e:	09 d2                	or     edx,edx
  20:	09 d2                	or     edx,edx
  22:	09 d2                	or     edx,edx
  24:	09 d2                	or     edx,edx
  26:	09 d2                	or     edx,edx
  28:	09 d2                	or     edx,edx
  2a:	09 d2                	or     edx,edx
  2c:	09 d2                	or     edx,edx
  2e:	09 d2                	or     edx,edx
  30:	09 d2                	or     edx,edx
  32:	09 d2                	or     edx,edx
  34:	09 d2                	or     edx,edx
  36:	09 d2                	or     edx,edx
  38:	09 d2                	or     edx,edx
  3a:	09 d2                	or     edx,edx
  3c:	09 d2                	or     edx,edx
  3e:	09 d2                	or     edx,edx
  40:	09 d2                	or     edx,edx
  42:	09 d2                	or     edx,edx
  44:	09 d2                	or     edx,edx
  46:	09 d2                	or     edx,edx
  48:	44 89 c0             	mov    eax,r8d

Init:

MOV R8, 133;
MOV R9, 0x343a9ed7;
MOV RCX, 0x75e6e44f;
MOV EBX, ECX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 36.0
- Core cycles: 80.15
- Reference cycles: 40.04
- UOPS_RETIRED.ALL: 64.0

IDIV (R32) - Latency

Operands

Latency operand 1 → 2: 34 ≤ lat ≤ 46

Latency operand 1 → 3: 33 ≤ lat ≤ 45

Latency operand 2 → 2: 33 ≤ lat ≤ 45

Latency operand 2 → 3: 34 ≤ lat ≤ 46

Latency operand 3 → 2: 35 ≤ lat ≤ 47

Latency operand 3 → 3: 34 ≤ lat ≤ 46

Latency operand 1 → 2: 34 ≤ lat ≤ 46

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 3: 33 ≤ lat ≤ 45

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 2: 33 ≤ lat ≤ 45

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 3: 34 ≤ lat ≤ 46

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 2: 35 ≤ lat ≤ 47

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 3: 34 ≤ lat ≤ 46

Experiment 1 (fast division)

Experiment 2 (slow division)