CMOVZ (R32, R32)

With unroll_count=500 and no inner loop

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 1.0
- Reference cycles: 1.0
- RS_UOPS_DISPATCHED: 2.0
- UOPS_PORT_0: 0.67
- UOPS_PORT_1: 0.66
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.67

With loop_count=1000 and unroll_count=10

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d

Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 1.0
- Reference cycles: 1.0
- RS_UOPS_DISPATCHED: 2.2
- UOPS_PORT_0: 0.7
- UOPS_PORT_1: 0.7
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.8

With loop_count=100 and unroll_count=100

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d

Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 1.0
- Reference cycles: 1.0
- RS_UOPS_DISPATCHED: 2.02
- UOPS_PORT_0: 0.66
- UOPS_PORT_1: 0.67
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.69

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d

Show nanoBench command
Results:
- Instructions retired: 4.0
- Core cycles: 8.0
- Reference cycles: 7.97
- RS_UOPS_DISPATCHED: 8.0
- UOPS_PORT_0: 2.68
- UOPS_PORT_1: 2.64
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 2.68

With loop_count=1000 and unroll_count=2

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d

Show nanoBench command
Results:
- Instructions retired: 5.0
- Core cycles: 4.01
- Reference cycles: 4.01
- RS_UOPS_DISPATCHED: 9.01
- UOPS_PORT_0: 3.0
- UOPS_PORT_1: 3.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 3.0

With loop_count=100 and unroll_count=20

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d

Show nanoBench command
Results:
- Instructions retired: 4.1
- Core cycles: 4.05
- Reference cycles: 4.05
- RS_UOPS_DISPATCHED: 8.1
- UOPS_PORT_0: 2.7
- UOPS_PORT_1: 2.68
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 2.73

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d

Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 15.99
- Reference cycles: 15.96
- RS_UOPS_DISPATCHED: 16.0
- UOPS_PORT_0: 5.36
- UOPS_PORT_1: 5.28
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 5.36

With loop_count=1000 and unroll_count=1

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d

Show nanoBench command
Results:
- Instructions retired: 10.0
- Core cycles: 12.02
- Reference cycles: 12.02
- RS_UOPS_DISPATCHED: 18.0
- UOPS_PORT_0: 6.0
- UOPS_PORT_1: 5.5
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 6.5

With loop_count=100 and unroll_count=10

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d

Show nanoBench command
Results:
- Instructions retired: 8.2
- Core cycles: 15.62
- Reference cycles: 15.62
- RS_UOPS_DISPATCHED: 16.2
- UOPS_PORT_0: 5.4
- UOPS_PORT_1: 5.35
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 5.45

With 12 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d
  20:	41 0f 44 d1          	cmove  edx,r9d
  24:	41 0f 44 f9          	cmove  edi,r9d
  28:	41 0f 44 f1          	cmove  esi,r9d
  2c:	41 0f 44 e9          	cmove  ebp,r9d

Show nanoBench command
Results:
- Instructions retired: 12.0
- Core cycles: 24.0
- Reference cycles: 24.05
- RS_UOPS_DISPATCHED: 24.0
- UOPS_PORT_0: 8.0
- UOPS_PORT_1: 8.0
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 8.0

With loop_count=1000 and unroll_count=1

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d
  20:	41 0f 44 d1          	cmove  edx,r9d
  24:	41 0f 44 f9          	cmove  edi,r9d
  28:	41 0f 44 f1          	cmove  esi,r9d
  2c:	41 0f 44 e9          	cmove  ebp,r9d

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 20.02
- Reference cycles: 20.02
- RS_UOPS_DISPATCHED: 26.0
- UOPS_PORT_0: 8.34
- UOPS_PORT_1: 8.34
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 9.33

With loop_count=100 and unroll_count=10

Code:

   0:	45 0f 44 c1          	cmove  r8d,r9d
   4:	45 0f 44 d1          	cmove  r10d,r9d
   8:	45 0f 44 d9          	cmove  r11d,r9d
   c:	45 0f 44 e1          	cmove  r12d,r9d
  10:	45 0f 44 e9          	cmove  r13d,r9d
  14:	45 0f 44 f1          	cmove  r14d,r9d
  18:	41 0f 44 d9          	cmove  ebx,r9d
  1c:	41 0f 44 c9          	cmove  ecx,r9d
  20:	41 0f 44 d1          	cmove  edx,r9d
  24:	41 0f 44 f9          	cmove  edi,r9d
  28:	41 0f 44 f1          	cmove  esi,r9d
  2c:	41 0f 44 e9          	cmove  ebp,r9d

Show nanoBench command
Results:
- Instructions retired: 12.2
- Core cycles: 23.62
- Reference cycles: 23.62
- RS_UOPS_DISPATCHED: 24.2
- UOPS_PORT_0: 8.04
- UOPS_PORT_1: 8.04
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 8.13

With the same register for for different operands

With unroll_count=500 and no inner loop

Code:

   0:	45 0f 44 c0          	cmove  r8d,r8d

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 2.0
- Reference cycles: 2.0
- RS_UOPS_DISPATCHED: 2.0
- UOPS_PORT_0: 0.68
- UOPS_PORT_1: 0.66
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.66

With loop_count=1000 and unroll_count=10

Code:

   0:	45 0f 44 c0          	cmove  r8d,r8d

Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 2.02
- Reference cycles: 2.02
- RS_UOPS_DISPATCHED: 2.2
- UOPS_PORT_0: 0.7
- UOPS_PORT_1: 0.7
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.8

With loop_count=100 and unroll_count=100

Code:

   0:	45 0f 44 c0          	cmove  r8d,r8d

Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 2.0
- Reference cycles: 2.0
- RS_UOPS_DISPATCHED: 2.02
- UOPS_PORT_0: 0.68
- UOPS_PORT_1: 0.67
- UOPS_PORT_2: 0.0
- UOPS_PORT_3: 0.0
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.68

CMOVZ (R32, R32) - Throughput and Uops

With different registers for different operands

With 1 independent instruction

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

With loop_count=100 and unroll_count=100

With 4 independent instructions

With unroll_count=200 and no inner loop

With loop_count=1000 and unroll_count=2

With loop_count=100 and unroll_count=20

With 8 independent instructions

With unroll_count=100 and no inner loop

With loop_count=1000 and unroll_count=1

With loop_count=100 and unroll_count=10

With 12 independent instructions

With unroll_count=100 and no inner loop

With loop_count=1000 and unroll_count=1

With loop_count=100 and unroll_count=10

With the same register for for different operands

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

With loop_count=100 and unroll_count=100