IDIV (R64)

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RBX, RAX; AND RBX, RCX; OR RBX, RCX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; ; MOV RAX, R8;MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 c3             	and    rbx,rax
   6:	48 21 cb             	and    rbx,rcx
   9:	48 09 cb             	or     rbx,rcx
   c:	48 09 db             	or     rbx,rbx
   f:	48 09 db             	or     rbx,rbx
  12:	48 09 db             	or     rbx,rbx
  15:	48 09 db             	or     rbx,rbx
  18:	48 09 db             	or     rbx,rbx
  1b:	48 09 db             	or     rbx,rbx
  1e:	48 09 db             	or     rbx,rbx
  21:	48 09 db             	or     rbx,rbx
  24:	48 09 db             	or     rbx,rbx
  27:	48 09 db             	or     rbx,rbx
  2a:	48 09 db             	or     rbx,rbx
  2d:	48 09 db             	or     rbx,rbx
  30:	48 09 db             	or     rbx,rbx
  33:	48 09 db             	or     rbx,rbx
  36:	48 09 db             	or     rbx,rbx
  39:	48 09 db             	or     rbx,rbx
  3c:	48 09 db             	or     rbx,rbx
  3f:	48 09 db             	or     rbx,rbx
  42:	48 09 db             	or     rbx,rbx
  45:	48 09 db             	or     rbx,rbx
  48:	48 09 db             	or     rbx,rbx
  4b:	48 09 db             	or     rbx,rbx
  4e:	48 09 db             	or     rbx,rbx
  51:	48 09 db             	or     rbx,rbx
  54:	48 09 db             	or     rbx,rbx
  57:	48 09 db             	or     rbx,rbx
  5a:	48 09 db             	or     rbx,rbx
  5d:	48 09 db             	or     rbx,rbx
  60:	4c 89 c0             	mov    rax,r8
  63:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 34.0
- Core cycles: 72.19
- Reference cycles: 57.24
- UOPS_EXECUTED.THREAD: 87.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RBX, RAX; AND RBX, RCX; OR RBX, RCX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; ; MOV RAX, R8;MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 c3             	and    rbx,rax
   6:	48 21 cb             	and    rbx,rcx
   9:	48 09 cb             	or     rbx,rcx
   c:	48 09 db             	or     rbx,rbx
   f:	48 09 db             	or     rbx,rbx
  12:	48 09 db             	or     rbx,rbx
  15:	48 09 db             	or     rbx,rbx
  18:	48 09 db             	or     rbx,rbx
  1b:	48 09 db             	or     rbx,rbx
  1e:	48 09 db             	or     rbx,rbx
  21:	48 09 db             	or     rbx,rbx
  24:	48 09 db             	or     rbx,rbx
  27:	48 09 db             	or     rbx,rbx
  2a:	48 09 db             	or     rbx,rbx
  2d:	48 09 db             	or     rbx,rbx
  30:	48 09 db             	or     rbx,rbx
  33:	48 09 db             	or     rbx,rbx
  36:	48 09 db             	or     rbx,rbx
  39:	48 09 db             	or     rbx,rbx
  3c:	48 09 db             	or     rbx,rbx
  3f:	48 09 db             	or     rbx,rbx
  42:	48 09 db             	or     rbx,rbx
  45:	48 09 db             	or     rbx,rbx
  48:	48 09 db             	or     rbx,rbx
  4b:	48 09 db             	or     rbx,rbx
  4e:	48 09 db             	or     rbx,rbx
  51:	48 09 db             	or     rbx,rbx
  54:	48 09 db             	or     rbx,rbx
  57:	48 09 db             	or     rbx,rbx
  5a:	48 09 db             	or     rbx,rbx
  5d:	48 09 db             	or     rbx,rbx
  60:	4c 89 c0             	mov    rax,r8
  63:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 34.0
- Core cycles: 126.34
- Reference cycles: 99.59
- UOPS_EXECUTED.THREAD: 98.0

Latency operand 1 → 3: 40 ≤ lat ≤ 96

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RBX, RDX; AND RBX, RCX; OR RBX, RCX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; ; MOV RAX, R8;MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 d3             	and    rbx,rdx
   6:	48 21 cb             	and    rbx,rcx
   9:	48 09 cb             	or     rbx,rcx
   c:	48 09 db             	or     rbx,rbx
   f:	48 09 db             	or     rbx,rbx
  12:	48 09 db             	or     rbx,rbx
  15:	48 09 db             	or     rbx,rbx
  18:	48 09 db             	or     rbx,rbx
  1b:	48 09 db             	or     rbx,rbx
  1e:	48 09 db             	or     rbx,rbx
  21:	48 09 db             	or     rbx,rbx
  24:	48 09 db             	or     rbx,rbx
  27:	48 09 db             	or     rbx,rbx
  2a:	48 09 db             	or     rbx,rbx
  2d:	48 09 db             	or     rbx,rbx
  30:	48 09 db             	or     rbx,rbx
  33:	48 09 db             	or     rbx,rbx
  36:	48 09 db             	or     rbx,rbx
  39:	48 09 db             	or     rbx,rbx
  3c:	48 09 db             	or     rbx,rbx
  3f:	48 09 db             	or     rbx,rbx
  42:	48 09 db             	or     rbx,rbx
  45:	48 09 db             	or     rbx,rbx
  48:	48 09 db             	or     rbx,rbx
  4b:	48 09 db             	or     rbx,rbx
  4e:	48 09 db             	or     rbx,rbx
  51:	48 09 db             	or     rbx,rbx
  54:	48 09 db             	or     rbx,rbx
  57:	48 09 db             	or     rbx,rbx
  5a:	48 09 db             	or     rbx,rbx
  5d:	48 09 db             	or     rbx,rbx
  60:	4c 89 c0             	mov    rax,r8
  63:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 34.0
- Core cycles: 71.5
- Reference cycles: 56.72
- UOPS_EXECUTED.THREAD: 87.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RBX, RDX; AND RBX, RCX; OR RBX, RCX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; OR RBX, RBX; ; MOV RAX, R8;MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 d3             	and    rbx,rdx
   6:	48 21 cb             	and    rbx,rcx
   9:	48 09 cb             	or     rbx,rcx
   c:	48 09 db             	or     rbx,rbx
   f:	48 09 db             	or     rbx,rbx
  12:	48 09 db             	or     rbx,rbx
  15:	48 09 db             	or     rbx,rbx
  18:	48 09 db             	or     rbx,rbx
  1b:	48 09 db             	or     rbx,rbx
  1e:	48 09 db             	or     rbx,rbx
  21:	48 09 db             	or     rbx,rbx
  24:	48 09 db             	or     rbx,rbx
  27:	48 09 db             	or     rbx,rbx
  2a:	48 09 db             	or     rbx,rbx
  2d:	48 09 db             	or     rbx,rbx
  30:	48 09 db             	or     rbx,rbx
  33:	48 09 db             	or     rbx,rbx
  36:	48 09 db             	or     rbx,rbx
  39:	48 09 db             	or     rbx,rbx
  3c:	48 09 db             	or     rbx,rbx
  3f:	48 09 db             	or     rbx,rbx
  42:	48 09 db             	or     rbx,rbx
  45:	48 09 db             	or     rbx,rbx
  48:	48 09 db             	or     rbx,rbx
  4b:	48 09 db             	or     rbx,rbx
  4e:	48 09 db             	or     rbx,rbx
  51:	48 09 db             	or     rbx,rbx
  54:	48 09 db             	or     rbx,rbx
  57:	48 09 db             	or     rbx,rbx
  5a:	48 09 db             	or     rbx,rbx
  5d:	48 09 db             	or     rbx,rbx
  60:	4c 89 c0             	mov    rax,r8
  63:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 34.0
- Core cycles: 127.47
- Reference cycles: 100.36
- UOPS_EXECUTED.THREAD: 98.0

Latency operand 2 → 2: 39 ≤ lat ≤ 94

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RAX, R8; OR RAX, R8; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; ; MOV RDX, R9
Chain latency: 30

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	4c 21 c0             	and    rax,r8
   6:	4c 09 c0             	or     rax,r8
   9:	48 09 c0             	or     rax,rax
   c:	48 09 c0             	or     rax,rax
   f:	48 09 c0             	or     rax,rax
  12:	48 09 c0             	or     rax,rax
  15:	48 09 c0             	or     rax,rax
  18:	48 09 c0             	or     rax,rax
  1b:	48 09 c0             	or     rax,rax
  1e:	48 09 c0             	or     rax,rax
  21:	48 09 c0             	or     rax,rax
  24:	48 09 c0             	or     rax,rax
  27:	48 09 c0             	or     rax,rax
  2a:	48 09 c0             	or     rax,rax
  2d:	48 09 c0             	or     rax,rax
  30:	48 09 c0             	or     rax,rax
  33:	48 09 c0             	or     rax,rax
  36:	48 09 c0             	or     rax,rax
  39:	48 09 c0             	or     rax,rax
  3c:	48 09 c0             	or     rax,rax
  3f:	48 09 c0             	or     rax,rax
  42:	48 09 c0             	or     rax,rax
  45:	48 09 c0             	or     rax,rax
  48:	48 09 c0             	or     rax,rax
  4b:	48 09 c0             	or     rax,rax
  4e:	48 09 c0             	or     rax,rax
  51:	48 09 c0             	or     rax,rax
  54:	48 09 c0             	or     rax,rax
  57:	48 09 c0             	or     rax,rax
  5a:	48 09 c0             	or     rax,rax
  5d:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 32.0
- Core cycles: 69.08
- Reference cycles: 54.16
- UOPS_EXECUTED.THREAD: 86.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RAX, R8; OR RAX, R8; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; ; MOV RDX, R9
Chain latency: 30

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	4c 21 c0             	and    rax,r8
   6:	4c 09 c0             	or     rax,r8
   9:	48 09 c0             	or     rax,rax
   c:	48 09 c0             	or     rax,rax
   f:	48 09 c0             	or     rax,rax
  12:	48 09 c0             	or     rax,rax
  15:	48 09 c0             	or     rax,rax
  18:	48 09 c0             	or     rax,rax
  1b:	48 09 c0             	or     rax,rax
  1e:	48 09 c0             	or     rax,rax
  21:	48 09 c0             	or     rax,rax
  24:	48 09 c0             	or     rax,rax
  27:	48 09 c0             	or     rax,rax
  2a:	48 09 c0             	or     rax,rax
  2d:	48 09 c0             	or     rax,rax
  30:	48 09 c0             	or     rax,rax
  33:	48 09 c0             	or     rax,rax
  36:	48 09 c0             	or     rax,rax
  39:	48 09 c0             	or     rax,rax
  3c:	48 09 c0             	or     rax,rax
  3f:	48 09 c0             	or     rax,rax
  42:	48 09 c0             	or     rax,rax
  45:	48 09 c0             	or     rax,rax
  48:	48 09 c0             	or     rax,rax
  4b:	48 09 c0             	or     rax,rax
  4e:	48 09 c0             	or     rax,rax
  51:	48 09 c0             	or     rax,rax
  54:	48 09 c0             	or     rax,rax
  57:	48 09 c0             	or     rax,rax
  5a:	48 09 c0             	or     rax,rax
  5d:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 32.0
- Core cycles: 124.57
- Reference cycles: 98.56
- UOPS_EXECUTED.THREAD: 105.87

Latency operand 2 → 3: 39 ≤ lat ≤ 95

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RAX, RDX; AND RAX, R8; OR RAX, R8; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; ; MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 d0             	and    rax,rdx
   6:	4c 21 c0             	and    rax,r8
   9:	4c 09 c0             	or     rax,r8
   c:	48 09 c0             	or     rax,rax
   f:	48 09 c0             	or     rax,rax
  12:	48 09 c0             	or     rax,rax
  15:	48 09 c0             	or     rax,rax
  18:	48 09 c0             	or     rax,rax
  1b:	48 09 c0             	or     rax,rax
  1e:	48 09 c0             	or     rax,rax
  21:	48 09 c0             	or     rax,rax
  24:	48 09 c0             	or     rax,rax
  27:	48 09 c0             	or     rax,rax
  2a:	48 09 c0             	or     rax,rax
  2d:	48 09 c0             	or     rax,rax
  30:	48 09 c0             	or     rax,rax
  33:	48 09 c0             	or     rax,rax
  36:	48 09 c0             	or     rax,rax
  39:	48 09 c0             	or     rax,rax
  3c:	48 09 c0             	or     rax,rax
  3f:	48 09 c0             	or     rax,rax
  42:	48 09 c0             	or     rax,rax
  45:	48 09 c0             	or     rax,rax
  48:	48 09 c0             	or     rax,rax
  4b:	48 09 c0             	or     rax,rax
  4e:	48 09 c0             	or     rax,rax
  51:	48 09 c0             	or     rax,rax
  54:	48 09 c0             	or     rax,rax
  57:	48 09 c0             	or     rax,rax
  5a:	48 09 c0             	or     rax,rax
  5d:	48 09 c0             	or     rax,rax
  60:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 33.0
- Core cycles: 70.43
- Reference cycles: 55.44
- UOPS_EXECUTED.THREAD: 87.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RAX, RDX; AND RAX, R8; OR RAX, R8; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; OR RAX, RAX; ; MOV RDX, R9
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 d0             	and    rax,rdx
   6:	4c 21 c0             	and    rax,r8
   9:	4c 09 c0             	or     rax,r8
   c:	48 09 c0             	or     rax,rax
   f:	48 09 c0             	or     rax,rax
  12:	48 09 c0             	or     rax,rax
  15:	48 09 c0             	or     rax,rax
  18:	48 09 c0             	or     rax,rax
  1b:	48 09 c0             	or     rax,rax
  1e:	48 09 c0             	or     rax,rax
  21:	48 09 c0             	or     rax,rax
  24:	48 09 c0             	or     rax,rax
  27:	48 09 c0             	or     rax,rax
  2a:	48 09 c0             	or     rax,rax
  2d:	48 09 c0             	or     rax,rax
  30:	48 09 c0             	or     rax,rax
  33:	48 09 c0             	or     rax,rax
  36:	48 09 c0             	or     rax,rax
  39:	48 09 c0             	or     rax,rax
  3c:	48 09 c0             	or     rax,rax
  3f:	48 09 c0             	or     rax,rax
  42:	48 09 c0             	or     rax,rax
  45:	48 09 c0             	or     rax,rax
  48:	48 09 c0             	or     rax,rax
  4b:	48 09 c0             	or     rax,rax
  4e:	48 09 c0             	or     rax,rax
  51:	48 09 c0             	or     rax,rax
  54:	48 09 c0             	or     rax,rax
  57:	48 09 c0             	or     rax,rax
  5a:	48 09 c0             	or     rax,rax
  5d:	48 09 c0             	or     rax,rax
  60:	4c 89 ca             	mov    rdx,r9

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 33.0
- Core cycles: 126.24
- Reference cycles: 98.82
- UOPS_EXECUTED.THREAD: 106.25

Latency operand 3 → 2: 39 ≤ lat ≤ 94

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RDX, RAX; AND RDX, R9; OR RDX, R9; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; ; MOV RAX, R8
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 c2             	and    rdx,rax
   6:	4c 21 ca             	and    rdx,r9
   9:	4c 09 ca             	or     rdx,r9
   c:	48 09 d2             	or     rdx,rdx
   f:	48 09 d2             	or     rdx,rdx
  12:	48 09 d2             	or     rdx,rdx
  15:	48 09 d2             	or     rdx,rdx
  18:	48 09 d2             	or     rdx,rdx
  1b:	48 09 d2             	or     rdx,rdx
  1e:	48 09 d2             	or     rdx,rdx
  21:	48 09 d2             	or     rdx,rdx
  24:	48 09 d2             	or     rdx,rdx
  27:	48 09 d2             	or     rdx,rdx
  2a:	48 09 d2             	or     rdx,rdx
  2d:	48 09 d2             	or     rdx,rdx
  30:	48 09 d2             	or     rdx,rdx
  33:	48 09 d2             	or     rdx,rdx
  36:	48 09 d2             	or     rdx,rdx
  39:	48 09 d2             	or     rdx,rdx
  3c:	48 09 d2             	or     rdx,rdx
  3f:	48 09 d2             	or     rdx,rdx
  42:	48 09 d2             	or     rdx,rdx
  45:	48 09 d2             	or     rdx,rdx
  48:	48 09 d2             	or     rdx,rdx
  4b:	48 09 d2             	or     rdx,rdx
  4e:	48 09 d2             	or     rdx,rdx
  51:	48 09 d2             	or     rdx,rdx
  54:	48 09 d2             	or     rdx,rdx
  57:	48 09 d2             	or     rdx,rdx
  5a:	48 09 d2             	or     rdx,rdx
  5d:	48 09 d2             	or     rdx,rdx
  60:	4c 89 c0             	mov    rax,r8

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 33.0
- Core cycles: 69.95
- Reference cycles: 55.44
- UOPS_EXECUTED.THREAD: 87.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RDX, RAX; AND RDX, R9; OR RDX, R9; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; ; MOV RAX, R8
Chain latency: 31

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	48 21 c2             	and    rdx,rax
   6:	4c 21 ca             	and    rdx,r9
   9:	4c 09 ca             	or     rdx,r9
   c:	48 09 d2             	or     rdx,rdx
   f:	48 09 d2             	or     rdx,rdx
  12:	48 09 d2             	or     rdx,rdx
  15:	48 09 d2             	or     rdx,rdx
  18:	48 09 d2             	or     rdx,rdx
  1b:	48 09 d2             	or     rdx,rdx
  1e:	48 09 d2             	or     rdx,rdx
  21:	48 09 d2             	or     rdx,rdx
  24:	48 09 d2             	or     rdx,rdx
  27:	48 09 d2             	or     rdx,rdx
  2a:	48 09 d2             	or     rdx,rdx
  2d:	48 09 d2             	or     rdx,rdx
  30:	48 09 d2             	or     rdx,rdx
  33:	48 09 d2             	or     rdx,rdx
  36:	48 09 d2             	or     rdx,rdx
  39:	48 09 d2             	or     rdx,rdx
  3c:	48 09 d2             	or     rdx,rdx
  3f:	48 09 d2             	or     rdx,rdx
  42:	48 09 d2             	or     rdx,rdx
  45:	48 09 d2             	or     rdx,rdx
  48:	48 09 d2             	or     rdx,rdx
  4b:	48 09 d2             	or     rdx,rdx
  4e:	48 09 d2             	or     rdx,rdx
  51:	48 09 d2             	or     rdx,rdx
  54:	48 09 d2             	or     rdx,rdx
  57:	48 09 d2             	or     rdx,rdx
  5a:	48 09 d2             	or     rdx,rdx
  5d:	48 09 d2             	or     rdx,rdx
  60:	4c 89 c0             	mov    rax,r8

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 33.0
- Core cycles: 125.31
- Reference cycles: 98.82
- UOPS_EXECUTED.THREAD: 104.99

Latency operand 3 → 3: 38 ≤ lat ≤ 95

Experiment 1 (fast division)

Instruction: IDIV RBX
Chain instructions: AND RDX, R9; OR RDX, R9; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; ; MOV RAX, R8
Chain latency: 30

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	4c 21 ca             	and    rdx,r9
   6:	4c 09 ca             	or     rdx,r9
   9:	48 09 d2             	or     rdx,rdx
   c:	48 09 d2             	or     rdx,rdx
   f:	48 09 d2             	or     rdx,rdx
  12:	48 09 d2             	or     rdx,rdx
  15:	48 09 d2             	or     rdx,rdx
  18:	48 09 d2             	or     rdx,rdx
  1b:	48 09 d2             	or     rdx,rdx
  1e:	48 09 d2             	or     rdx,rdx
  21:	48 09 d2             	or     rdx,rdx
  24:	48 09 d2             	or     rdx,rdx
  27:	48 09 d2             	or     rdx,rdx
  2a:	48 09 d2             	or     rdx,rdx
  2d:	48 09 d2             	or     rdx,rdx
  30:	48 09 d2             	or     rdx,rdx
  33:	48 09 d2             	or     rdx,rdx
  36:	48 09 d2             	or     rdx,rdx
  39:	48 09 d2             	or     rdx,rdx
  3c:	48 09 d2             	or     rdx,rdx
  3f:	48 09 d2             	or     rdx,rdx
  42:	48 09 d2             	or     rdx,rdx
  45:	48 09 d2             	or     rdx,rdx
  48:	48 09 d2             	or     rdx,rdx
  4b:	48 09 d2             	or     rdx,rdx
  4e:	48 09 d2             	or     rdx,rdx
  51:	48 09 d2             	or     rdx,rdx
  54:	48 09 d2             	or     rdx,rdx
  57:	48 09 d2             	or     rdx,rdx
  5a:	48 09 d2             	or     rdx,rdx
  5d:	4c 89 c0             	mov    rax,r8

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 32.0
- Core cycles: 68.07
- Reference cycles: 53.9
- UOPS_EXECUTED.THREAD: 86.0

Experiment 2 (slow division)

Instruction: IDIV RBX
Chain instructions: AND RDX, R9; OR RDX, R9; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; OR RDX, RDX; ; MOV RAX, R8
Chain latency: 30

Code:

   0:	48 f7 fb             	idiv   rbx
   3:	4c 21 ca             	and    rdx,r9
   6:	4c 09 ca             	or     rdx,r9
   9:	48 09 d2             	or     rdx,rdx
   c:	48 09 d2             	or     rdx,rdx
   f:	48 09 d2             	or     rdx,rdx
  12:	48 09 d2             	or     rdx,rdx
  15:	48 09 d2             	or     rdx,rdx
  18:	48 09 d2             	or     rdx,rdx
  1b:	48 09 d2             	or     rdx,rdx
  1e:	48 09 d2             	or     rdx,rdx
  21:	48 09 d2             	or     rdx,rdx
  24:	48 09 d2             	or     rdx,rdx
  27:	48 09 d2             	or     rdx,rdx
  2a:	48 09 d2             	or     rdx,rdx
  2d:	48 09 d2             	or     rdx,rdx
  30:	48 09 d2             	or     rdx,rdx
  33:	48 09 d2             	or     rdx,rdx
  36:	48 09 d2             	or     rdx,rdx
  39:	48 09 d2             	or     rdx,rdx
  3c:	48 09 d2             	or     rdx,rdx
  3f:	48 09 d2             	or     rdx,rdx
  42:	48 09 d2             	or     rdx,rdx
  45:	48 09 d2             	or     rdx,rdx
  48:	48 09 d2             	or     rdx,rdx
  4b:	48 09 d2             	or     rdx,rdx
  4e:	48 09 d2             	or     rdx,rdx
  51:	48 09 d2             	or     rdx,rdx
  54:	48 09 d2             	or     rdx,rdx
  57:	48 09 d2             	or     rdx,rdx
  5a:	48 09 d2             	or     rdx,rdx
  5d:	4c 89 c0             	mov    rax,r8

Init:

MOV R8, 133;
MOV R9, 0x343a9ed744556677;
MOV RCX, 0x75e6e44fccddeeff;
MOV RBX, RCX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 32.0
- Core cycles: 125.57
- Reference cycles: 98.82
- UOPS_EXECUTED.THREAD: 105.88

IDIV (R64) - Latency

Operands

Latency operand 1 → 2: 41 ≤ lat ≤ 95

Latency operand 1 → 3: 40 ≤ lat ≤ 96

Latency operand 2 → 2: 39 ≤ lat ≤ 94

Latency operand 2 → 3: 39 ≤ lat ≤ 95

Latency operand 3 → 2: 39 ≤ lat ≤ 94

Latency operand 3 → 3: 38 ≤ lat ≤ 95

Latency operand 1 → 2: 41 ≤ lat ≤ 95

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 3: 40 ≤ lat ≤ 96

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 2: 39 ≤ lat ≤ 94

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 3: 39 ≤ lat ≤ 95

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 2: 39 ≤ lat ≤ 94

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 3: 38 ≤ lat ≤ 95

Experiment 1 (fast division)

Experiment 2 (slow division)