VPCMPEQB (YMM, YMM, YMM)

With unroll_count=500 and no inner loop

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.2
- APERF: 0.25
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.2
- APERF: 0.25
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.2
- APERF: 0.25
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- 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 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.93
- APERF: 1.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 1.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 1.0
- FpuPipeAssignment.Total3: 1.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.83
- APERF: 1.0
- UOPS: 4.5
- FpuPipeAssignment.Total0: 1.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 1.0
- FpuPipeAssignment.Total3: 1.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 0.82
- APERF: 1.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 1.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 1.0
- FpuPipeAssignment.Total3: 1.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 1.67
- APERF: 2.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 1.64
- APERF: 2.0
- UOPS: 9.0
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 1.63
- APERF: 2.0
- UOPS: 8.1
- FpuPipeAssignment.Total0: 2.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 2.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 11 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2
  20:	c5 75 74 d2          	vpcmpeqb ymm10,ymm1,ymm2
  24:	c5 75 74 da          	vpcmpeqb ymm11,ymm1,ymm2
  28:	c5 75 74 e2          	vpcmpeqb ymm12,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 2.34
- APERF: 2.75
- UOPS: 11.0
- FpuPipeAssignment.Total0: 2.75
- FpuPipeAssignment.Total1: 2.75
- FpuPipeAssignment.Total2: 2.75
- FpuPipeAssignment.Total3: 2.75
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2
  20:	c5 75 74 d2          	vpcmpeqb ymm10,ymm1,ymm2
  24:	c5 75 74 da          	vpcmpeqb ymm11,ymm1,ymm2
  28:	c5 75 74 e2          	vpcmpeqb ymm12,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 2.24
- APERF: 2.76
- UOPS: 12.0
- FpuPipeAssignment.Total0: 2.75
- FpuPipeAssignment.Total1: 2.75
- FpuPipeAssignment.Total2: 2.75
- FpuPipeAssignment.Total3: 2.75
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c5 f5 74 c2          	vpcmpeqb ymm0,ymm1,ymm2
   4:	c5 f5 74 da          	vpcmpeqb ymm3,ymm1,ymm2
   8:	c5 f5 74 e2          	vpcmpeqb ymm4,ymm1,ymm2
   c:	c5 f5 74 ea          	vpcmpeqb ymm5,ymm1,ymm2
  10:	c5 f5 74 f2          	vpcmpeqb ymm6,ymm1,ymm2
  14:	c5 f5 74 fa          	vpcmpeqb ymm7,ymm1,ymm2
  18:	c5 75 74 c2          	vpcmpeqb ymm8,ymm1,ymm2
  1c:	c5 75 74 ca          	vpcmpeqb ymm9,ymm1,ymm2
  20:	c5 75 74 d2          	vpcmpeqb ymm10,ymm1,ymm2
  24:	c5 75 74 da          	vpcmpeqb ymm11,ymm1,ymm2
  28:	c5 75 74 e2          	vpcmpeqb ymm12,ymm1,ymm2

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM2, YMM2, YMM2

Show nanoBench command
Results:
- MPERF: 2.26
- APERF: 2.76
- UOPS: 11.1
- FpuPipeAssignment.Total0: 2.75
- FpuPipeAssignment.Total1: 2.75
- FpuPipeAssignment.Total2: 2.75
- FpuPipeAssignment.Total3: 2.75
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With the same register for for different operands

With unroll_count=500 and no inner loop

Code:

   0:	c5 fd 74 c0          	vpcmpeqb ymm0,ymm0,ymm0

Init:

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

Show nanoBench command
Results:
- MPERF: 0.23
- APERF: 0.25
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c5 fd 74 c0          	vpcmpeqb ymm0,ymm0,ymm0

Init:

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

Show nanoBench command
Results:
- MPERF: 0.2
- APERF: 0.25
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c5 fd 74 c0          	vpcmpeqb ymm0,ymm0,ymm0

Init:

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

Show nanoBench command
Results:
- MPERF: 0.21
- APERF: 0.25
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.25
- FpuPipeAssignment.Total1: 0.25
- FpuPipeAssignment.Total2: 0.25
- FpuPipeAssignment.Total3: 0.25
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

VPCMPEQB (YMM, YMM, YMM) - 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 11 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