KANDB (K, K, K)

With unroll_count=500 and no inner loop

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.3
- APERF: 0.5
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.34
- APERF: 0.5
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.34
- APERF: 0.5
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.43
- APERF: 2.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.5
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 6 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2
  10:	c5 fd 41 f2          	kandb  k6,k0,k2
  14:	c5 fd 41 fa          	kandb  k7,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.96
- APERF: 3.0
- UOPS: 6.0
- FpuPipeAssignment.Total0: 3.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2
  10:	c5 fd 41 f2          	kandb  k6,k0,k2
  14:	c5 fd 41 fa          	kandb  k7,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 2.05
- APERF: 3.01
- UOPS: 6.5
- FpuPipeAssignment.Total0: 3.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c5 fd 41 ca          	kandb  k1,k0,k2
   4:	c5 fd 41 da          	kandb  k3,k0,k2
   8:	c5 fd 41 e2          	kandb  k4,k0,k2
   c:	c5 fd 41 ea          	kandb  k5,k0,k2
  10:	c5 fd 41 f2          	kandb  k6,k0,k2
  14:	c5 fd 41 fa          	kandb  k7,k0,k2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 2.05
- APERF: 3.0
- UOPS: 6.05
- FpuPipeAssignment.Total0: 3.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With the same register for for different operands

With 1 independent instruction

With unroll_count=500 and no inner loop

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.7
- APERF: 1.0
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.68
- APERF: 1.0
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.68
- APERF: 1.0
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.43
- APERF: 2.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.5
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 7 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4
  10:	c5 d5 41 ed          	kandb  k5,k5,k5
  14:	c5 cd 41 f6          	kandb  k6,k6,k6
  18:	c5 c5 41 ff          	kandb  k7,k7,k7

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 2.41
- APERF: 3.5
- UOPS: 7.0
- FpuPipeAssignment.Total0: 3.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4
  10:	c5 d5 41 ed          	kandb  k5,k5,k5
  14:	c5 cd 41 f6          	kandb  k6,k6,k6
  18:	c5 c5 41 ff          	kandb  k7,k7,k7

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 2.39
- APERF: 3.51
- UOPS: 8.0
- FpuPipeAssignment.Total0: 3.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c5 f5 41 c9          	kandb  k1,k1,k1
   4:	c5 ed 41 d2          	kandb  k2,k2,k2
   8:	c5 e5 41 db          	kandb  k3,k3,k3
   c:	c5 dd 41 e4          	kandb  k4,k4,k4
  10:	c5 d5 41 ed          	kandb  k5,k5,k5
  14:	c5 cd 41 f6          	kandb  k6,k6,k6
  18:	c5 c5 41 ff          	kandb  k7,k7,k7

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 2.39
- APERF: 3.51
- UOPS: 7.1
- FpuPipeAssignment.Total0: 3.5
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 3.5
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

KANDB (K, K, K) - 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 6 independent instructions

With unroll_count=100 and no inner loop

With loop_count=1000 and unroll_count=2

With loop_count=100 and unroll_count=20

With the same register for 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 7 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