DIV (R16)

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND BX, AX; AND BX, CX; OR BX, CX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; ; MOV AX, R8W;MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 c3             	and    bx,ax
   6:	66 21 cb             	and    bx,cx
   9:	66 09 cb             	or     bx,cx
   c:	66 09 db             	or     bx,bx
   f:	66 09 db             	or     bx,bx
  12:	66 09 db             	or     bx,bx
  15:	66 09 db             	or     bx,bx
  18:	66 09 db             	or     bx,bx
  1b:	66 09 db             	or     bx,bx
  1e:	66 09 db             	or     bx,bx
  21:	66 09 db             	or     bx,bx
  24:	66 09 db             	or     bx,bx
  27:	66 09 db             	or     bx,bx
  2a:	66 09 db             	or     bx,bx
  2d:	66 09 db             	or     bx,bx
  30:	66 09 db             	or     bx,bx
  33:	66 09 db             	or     bx,bx
  36:	66 09 db             	or     bx,bx
  39:	66 09 db             	or     bx,bx
  3c:	66 09 db             	or     bx,bx
  3f:	66 09 db             	or     bx,bx
  42:	66 09 db             	or     bx,bx
  45:	66 09 db             	or     bx,bx
  48:	66 09 db             	or     bx,bx
  4b:	66 09 db             	or     bx,bx
  4e:	66 44 89 c0          	mov    ax,r8w
  52:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 49.0
- Reference cycles: 24.51
- UOPS_RETIRED.ALL: 39.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND BX, AX; AND BX, CX; OR BX, CX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; ; MOV AX, R8W;MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 c3             	and    bx,ax
   6:	66 21 cb             	and    bx,cx
   9:	66 09 cb             	or     bx,cx
   c:	66 09 db             	or     bx,bx
   f:	66 09 db             	or     bx,bx
  12:	66 09 db             	or     bx,bx
  15:	66 09 db             	or     bx,bx
  18:	66 09 db             	or     bx,bx
  1b:	66 09 db             	or     bx,bx
  1e:	66 09 db             	or     bx,bx
  21:	66 09 db             	or     bx,bx
  24:	66 09 db             	or     bx,bx
  27:	66 09 db             	or     bx,bx
  2a:	66 09 db             	or     bx,bx
  2d:	66 09 db             	or     bx,bx
  30:	66 09 db             	or     bx,bx
  33:	66 09 db             	or     bx,bx
  36:	66 09 db             	or     bx,bx
  39:	66 09 db             	or     bx,bx
  3c:	66 09 db             	or     bx,bx
  3f:	66 09 db             	or     bx,bx
  42:	66 09 db             	or     bx,bx
  45:	66 09 db             	or     bx,bx
  48:	66 09 db             	or     bx,bx
  4b:	66 09 db             	or     bx,bx
  4e:	66 44 89 c0          	mov    ax,r8w
  52:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 53.0
- Reference cycles: 26.5
- UOPS_RETIRED.ALL: 39.0

Latency operand 1 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND BX, DX; AND BX, CX; OR BX, CX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; ; MOV AX, R8W;MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 d3             	and    bx,dx
   6:	66 21 cb             	and    bx,cx
   9:	66 09 cb             	or     bx,cx
   c:	66 09 db             	or     bx,bx
   f:	66 09 db             	or     bx,bx
  12:	66 09 db             	or     bx,bx
  15:	66 09 db             	or     bx,bx
  18:	66 09 db             	or     bx,bx
  1b:	66 09 db             	or     bx,bx
  1e:	66 09 db             	or     bx,bx
  21:	66 09 db             	or     bx,bx
  24:	66 09 db             	or     bx,bx
  27:	66 09 db             	or     bx,bx
  2a:	66 09 db             	or     bx,bx
  2d:	66 09 db             	or     bx,bx
  30:	66 09 db             	or     bx,bx
  33:	66 09 db             	or     bx,bx
  36:	66 09 db             	or     bx,bx
  39:	66 09 db             	or     bx,bx
  3c:	66 09 db             	or     bx,bx
  3f:	66 09 db             	or     bx,bx
  42:	66 09 db             	or     bx,bx
  45:	66 09 db             	or     bx,bx
  48:	66 09 db             	or     bx,bx
  4b:	66 09 db             	or     bx,bx
  4e:	66 44 89 c0          	mov    ax,r8w
  52:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 51.0
- Reference cycles: 25.57
- UOPS_RETIRED.ALL: 39.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND BX, DX; AND BX, CX; OR BX, CX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; OR BX, BX; ; MOV AX, R8W;MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 d3             	and    bx,dx
   6:	66 21 cb             	and    bx,cx
   9:	66 09 cb             	or     bx,cx
   c:	66 09 db             	or     bx,bx
   f:	66 09 db             	or     bx,bx
  12:	66 09 db             	or     bx,bx
  15:	66 09 db             	or     bx,bx
  18:	66 09 db             	or     bx,bx
  1b:	66 09 db             	or     bx,bx
  1e:	66 09 db             	or     bx,bx
  21:	66 09 db             	or     bx,bx
  24:	66 09 db             	or     bx,bx
  27:	66 09 db             	or     bx,bx
  2a:	66 09 db             	or     bx,bx
  2d:	66 09 db             	or     bx,bx
  30:	66 09 db             	or     bx,bx
  33:	66 09 db             	or     bx,bx
  36:	66 09 db             	or     bx,bx
  39:	66 09 db             	or     bx,bx
  3c:	66 09 db             	or     bx,bx
  3f:	66 09 db             	or     bx,bx
  42:	66 09 db             	or     bx,bx
  45:	66 09 db             	or     bx,bx
  48:	66 09 db             	or     bx,bx
  4b:	66 09 db             	or     bx,bx
  4e:	66 44 89 c0          	mov    ax,r8w
  52:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 28.0
- Core cycles: 55.0
- Reference cycles: 27.5
- UOPS_RETIRED.ALL: 39.0

Latency operand 2 → 2: 25 ≤ lat ≤ 29

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND AX, R8W; OR AX, R8W; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; ; MOV DX, R9W
Chain latency: 24

Code:

   0:	66 f7 f3             	div    bx
   3:	66 44 21 c0          	and    ax,r8w
   7:	66 44 09 c0          	or     ax,r8w
   b:	66 09 c0             	or     ax,ax
   e:	66 09 c0             	or     ax,ax
  11:	66 09 c0             	or     ax,ax
  14:	66 09 c0             	or     ax,ax
  17:	66 09 c0             	or     ax,ax
  1a:	66 09 c0             	or     ax,ax
  1d:	66 09 c0             	or     ax,ax
  20:	66 09 c0             	or     ax,ax
  23:	66 09 c0             	or     ax,ax
  26:	66 09 c0             	or     ax,ax
  29:	66 09 c0             	or     ax,ax
  2c:	66 09 c0             	or     ax,ax
  2f:	66 09 c0             	or     ax,ax
  32:	66 09 c0             	or     ax,ax
  35:	66 09 c0             	or     ax,ax
  38:	66 09 c0             	or     ax,ax
  3b:	66 09 c0             	or     ax,ax
  3e:	66 09 c0             	or     ax,ax
  41:	66 09 c0             	or     ax,ax
  44:	66 09 c0             	or     ax,ax
  47:	66 09 c0             	or     ax,ax
  4a:	66 09 c0             	or     ax,ax
  4d:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 49.14
- Reference cycles: 24.57
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND AX, R8W; OR AX, R8W; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; ; MOV DX, R9W
Chain latency: 24

Code:

   0:	66 f7 f3             	div    bx
   3:	66 44 21 c0          	and    ax,r8w
   7:	66 44 09 c0          	or     ax,r8w
   b:	66 09 c0             	or     ax,ax
   e:	66 09 c0             	or     ax,ax
  11:	66 09 c0             	or     ax,ax
  14:	66 09 c0             	or     ax,ax
  17:	66 09 c0             	or     ax,ax
  1a:	66 09 c0             	or     ax,ax
  1d:	66 09 c0             	or     ax,ax
  20:	66 09 c0             	or     ax,ax
  23:	66 09 c0             	or     ax,ax
  26:	66 09 c0             	or     ax,ax
  29:	66 09 c0             	or     ax,ax
  2c:	66 09 c0             	or     ax,ax
  2f:	66 09 c0             	or     ax,ax
  32:	66 09 c0             	or     ax,ax
  35:	66 09 c0             	or     ax,ax
  38:	66 09 c0             	or     ax,ax
  3b:	66 09 c0             	or     ax,ax
  3e:	66 09 c0             	or     ax,ax
  41:	66 09 c0             	or     ax,ax
  44:	66 09 c0             	or     ax,ax
  47:	66 09 c0             	or     ax,ax
  4a:	66 09 c0             	or     ax,ax
  4d:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 53.14
- Reference cycles: 26.54
- UOPS_RETIRED.ALL: 37.0

Latency operand 2 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND AX, DX; AND AX, R8W; OR AX, R8W; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; ; MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 d0             	and    ax,dx
   6:	66 44 21 c0          	and    ax,r8w
   a:	66 44 09 c0          	or     ax,r8w
   e:	66 09 c0             	or     ax,ax
  11:	66 09 c0             	or     ax,ax
  14:	66 09 c0             	or     ax,ax
  17:	66 09 c0             	or     ax,ax
  1a:	66 09 c0             	or     ax,ax
  1d:	66 09 c0             	or     ax,ax
  20:	66 09 c0             	or     ax,ax
  23:	66 09 c0             	or     ax,ax
  26:	66 09 c0             	or     ax,ax
  29:	66 09 c0             	or     ax,ax
  2c:	66 09 c0             	or     ax,ax
  2f:	66 09 c0             	or     ax,ax
  32:	66 09 c0             	or     ax,ax
  35:	66 09 c0             	or     ax,ax
  38:	66 09 c0             	or     ax,ax
  3b:	66 09 c0             	or     ax,ax
  3e:	66 09 c0             	or     ax,ax
  41:	66 09 c0             	or     ax,ax
  44:	66 09 c0             	or     ax,ax
  47:	66 09 c0             	or     ax,ax
  4a:	66 09 c0             	or     ax,ax
  4d:	66 09 c0             	or     ax,ax
  50:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 51.5
- Reference cycles: 25.74
- UOPS_RETIRED.ALL: 38.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND AX, DX; AND AX, R8W; OR AX, R8W; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; OR AX, AX; ; MOV DX, R9W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 d0             	and    ax,dx
   6:	66 44 21 c0          	and    ax,r8w
   a:	66 44 09 c0          	or     ax,r8w
   e:	66 09 c0             	or     ax,ax
  11:	66 09 c0             	or     ax,ax
  14:	66 09 c0             	or     ax,ax
  17:	66 09 c0             	or     ax,ax
  1a:	66 09 c0             	or     ax,ax
  1d:	66 09 c0             	or     ax,ax
  20:	66 09 c0             	or     ax,ax
  23:	66 09 c0             	or     ax,ax
  26:	66 09 c0             	or     ax,ax
  29:	66 09 c0             	or     ax,ax
  2c:	66 09 c0             	or     ax,ax
  2f:	66 09 c0             	or     ax,ax
  32:	66 09 c0             	or     ax,ax
  35:	66 09 c0             	or     ax,ax
  38:	66 09 c0             	or     ax,ax
  3b:	66 09 c0             	or     ax,ax
  3e:	66 09 c0             	or     ax,ax
  41:	66 09 c0             	or     ax,ax
  44:	66 09 c0             	or     ax,ax
  47:	66 09 c0             	or     ax,ax
  4a:	66 09 c0             	or     ax,ax
  4d:	66 09 c0             	or     ax,ax
  50:	66 44 89 ca          	mov    dx,r9w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 55.5
- Reference cycles: 27.73
- UOPS_RETIRED.ALL: 38.0

Latency operand 3 → 2: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND DX, AX; AND DX, R9W; OR DX, R9W; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; ; MOV AX, R8W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 c2             	and    dx,ax
   6:	66 44 21 ca          	and    dx,r9w
   a:	66 44 09 ca          	or     dx,r9w
   e:	66 09 d2             	or     dx,dx
  11:	66 09 d2             	or     dx,dx
  14:	66 09 d2             	or     dx,dx
  17:	66 09 d2             	or     dx,dx
  1a:	66 09 d2             	or     dx,dx
  1d:	66 09 d2             	or     dx,dx
  20:	66 09 d2             	or     dx,dx
  23:	66 09 d2             	or     dx,dx
  26:	66 09 d2             	or     dx,dx
  29:	66 09 d2             	or     dx,dx
  2c:	66 09 d2             	or     dx,dx
  2f:	66 09 d2             	or     dx,dx
  32:	66 09 d2             	or     dx,dx
  35:	66 09 d2             	or     dx,dx
  38:	66 09 d2             	or     dx,dx
  3b:	66 09 d2             	or     dx,dx
  3e:	66 09 d2             	or     dx,dx
  41:	66 09 d2             	or     dx,dx
  44:	66 09 d2             	or     dx,dx
  47:	66 09 d2             	or     dx,dx
  4a:	66 09 d2             	or     dx,dx
  4d:	66 09 d2             	or     dx,dx
  50:	66 44 89 c0          	mov    ax,r8w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 51.5
- Reference cycles: 25.74
- UOPS_RETIRED.ALL: 38.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND DX, AX; AND DX, R9W; OR DX, R9W; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; ; MOV AX, R8W
Chain latency: 25

Code:

   0:	66 f7 f3             	div    bx
   3:	66 21 c2             	and    dx,ax
   6:	66 44 21 ca          	and    dx,r9w
   a:	66 44 09 ca          	or     dx,r9w
   e:	66 09 d2             	or     dx,dx
  11:	66 09 d2             	or     dx,dx
  14:	66 09 d2             	or     dx,dx
  17:	66 09 d2             	or     dx,dx
  1a:	66 09 d2             	or     dx,dx
  1d:	66 09 d2             	or     dx,dx
  20:	66 09 d2             	or     dx,dx
  23:	66 09 d2             	or     dx,dx
  26:	66 09 d2             	or     dx,dx
  29:	66 09 d2             	or     dx,dx
  2c:	66 09 d2             	or     dx,dx
  2f:	66 09 d2             	or     dx,dx
  32:	66 09 d2             	or     dx,dx
  35:	66 09 d2             	or     dx,dx
  38:	66 09 d2             	or     dx,dx
  3b:	66 09 d2             	or     dx,dx
  3e:	66 09 d2             	or     dx,dx
  41:	66 09 d2             	or     dx,dx
  44:	66 09 d2             	or     dx,dx
  47:	66 09 d2             	or     dx,dx
  4a:	66 09 d2             	or     dx,dx
  4d:	66 09 d2             	or     dx,dx
  50:	66 44 89 c0          	mov    ax,r8w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 27.0
- Core cycles: 55.5
- Reference cycles: 27.71
- UOPS_RETIRED.ALL: 38.0

Latency operand 3 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Instruction: DIV BX
Chain instructions: AND DX, R9W; OR DX, R9W; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; ; MOV AX, R8W
Chain latency: 24

Code:

   0:	66 f7 f3             	div    bx
   3:	66 44 21 ca          	and    dx,r9w
   7:	66 44 09 ca          	or     dx,r9w
   b:	66 09 d2             	or     dx,dx
   e:	66 09 d2             	or     dx,dx
  11:	66 09 d2             	or     dx,dx
  14:	66 09 d2             	or     dx,dx
  17:	66 09 d2             	or     dx,dx
  1a:	66 09 d2             	or     dx,dx
  1d:	66 09 d2             	or     dx,dx
  20:	66 09 d2             	or     dx,dx
  23:	66 09 d2             	or     dx,dx
  26:	66 09 d2             	or     dx,dx
  29:	66 09 d2             	or     dx,dx
  2c:	66 09 d2             	or     dx,dx
  2f:	66 09 d2             	or     dx,dx
  32:	66 09 d2             	or     dx,dx
  35:	66 09 d2             	or     dx,dx
  38:	66 09 d2             	or     dx,dx
  3b:	66 09 d2             	or     dx,dx
  3e:	66 09 d2             	or     dx,dx
  41:	66 09 d2             	or     dx,dx
  44:	66 09 d2             	or     dx,dx
  47:	66 09 d2             	or     dx,dx
  4a:	66 09 d2             	or     dx,dx
  4d:	66 44 89 c0          	mov    ax,r8w

Init:

MOV R8, 0;
MOV R9, 0;
MOV RCX, 1;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 50.0
- Reference cycles: 25.03
- UOPS_RETIRED.ALL: 37.0

Experiment 2 (slow division)

Instruction: DIV BX
Chain instructions: AND DX, R9W; OR DX, R9W; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; OR DX, DX; ; MOV AX, R8W
Chain latency: 24

Code:

   0:	66 f7 f3             	div    bx
   3:	66 44 21 ca          	and    dx,r9w
   7:	66 44 09 ca          	or     dx,r9w
   b:	66 09 d2             	or     dx,dx
   e:	66 09 d2             	or     dx,dx
  11:	66 09 d2             	or     dx,dx
  14:	66 09 d2             	or     dx,dx
  17:	66 09 d2             	or     dx,dx
  1a:	66 09 d2             	or     dx,dx
  1d:	66 09 d2             	or     dx,dx
  20:	66 09 d2             	or     dx,dx
  23:	66 09 d2             	or     dx,dx
  26:	66 09 d2             	or     dx,dx
  29:	66 09 d2             	or     dx,dx
  2c:	66 09 d2             	or     dx,dx
  2f:	66 09 d2             	or     dx,dx
  32:	66 09 d2             	or     dx,dx
  35:	66 09 d2             	or     dx,dx
  38:	66 09 d2             	or     dx,dx
  3b:	66 09 d2             	or     dx,dx
  3e:	66 09 d2             	or     dx,dx
  41:	66 09 d2             	or     dx,dx
  44:	66 09 d2             	or     dx,dx
  47:	66 09 d2             	or     dx,dx
  4a:	66 09 d2             	or     dx,dx
  4d:	66 44 89 c0          	mov    ax,r8w

Init:

MOV R8, 133;
MOV R9, 0x343a;
MOV RCX, 0x75e6;
MOV BX, CX;
MOV RAX, R8;
MOV RDX, R9

Show nanoBench command
Results:
- Instructions retired: 26.0
- Core cycles: 54.0
- Reference cycles: 27.0
- UOPS_RETIRED.ALL: 37.0

DIV (R16) - Latency

Operands

Latency operand 1 → 2: 24 ≤ lat ≤ 28

Latency operand 1 → 3: 26 ≤ lat ≤ 30

Latency operand 2 → 2: 25 ≤ lat ≤ 29

Latency operand 2 → 3: 26 ≤ lat ≤ 30

Latency operand 3 → 2: 26 ≤ lat ≤ 30

Latency operand 3 → 3: 26 ≤ lat ≤ 30

Latency operand 1 → 2: 24 ≤ lat ≤ 28

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 1 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 2: 25 ≤ lat ≤ 29

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 2 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 2: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Experiment 2 (slow division)

Latency operand 3 → 3: 26 ≤ lat ≤ 30

Experiment 1 (fast division)

Experiment 2 (slow division)