PBLENDVB (XMM, XMM)

With unroll_count=500 and no inner loop

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

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

With loop_count=1000 and unroll_count=10

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

Show nanoBench command
Results:
- MPERF: 0.84
- APERF: 1.0
- UOPS: 1.2
- FpuPipeAssignment.Total0: 0.99
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

Show nanoBench command
Results:
- MPERF: 0.84
- APERF: 1.0
- UOPS: 1.02
- FpuPipeAssignment.Total0: 0.99
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 3.36
- APERF: 4.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 4.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 3.37
- APERF: 4.0
- UOPS: 5.0
- FpuPipeAssignment.Total0: 3.97
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 3.35
- APERF: 4.0
- UOPS: 4.1
- FpuPipeAssignment.Total0: 3.97
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9

Show nanoBench command
Results:
- MPERF: 6.72
- APERF: 8.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 8.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9

Show nanoBench command
Results:
- MPERF: 6.74
- APERF: 8.01
- UOPS: 10.0
- FpuPipeAssignment.Total0: 7.94
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9

Show nanoBench command
Results:
- MPERF: 6.76
- APERF: 8.01
- UOPS: 8.2
- FpuPipeAssignment.Total0: 7.94
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 11 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0
  2a:	66 44 0f 38 10 d2    	pblendvb xmm10,xmm2,xmm0
  30:	66 44 0f 38 10 da    	pblendvb xmm11,xmm2,xmm0
  36:	66 44 0f 38 10 e2    	pblendvb xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12

Show nanoBench command
Results:
- MPERF: 9.3
- APERF: 11.0
- UOPS: 11.0
- FpuPipeAssignment.Total0: 11.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0
  2a:	66 44 0f 38 10 d2    	pblendvb xmm10,xmm2,xmm0
  30:	66 44 0f 38 10 da    	pblendvb xmm11,xmm2,xmm0
  36:	66 44 0f 38 10 e2    	pblendvb xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12

Show nanoBench command
Results:
- MPERF: 9.26
- APERF: 11.01
- UOPS: 13.0
- FpuPipeAssignment.Total0: 11.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	66 0f 38 10 ca       	pblendvb xmm1,xmm2,xmm0
   5:	66 0f 38 10 da       	pblendvb xmm3,xmm2,xmm0
   a:	66 0f 38 10 e2       	pblendvb xmm4,xmm2,xmm0
   f:	66 0f 38 10 ea       	pblendvb xmm5,xmm2,xmm0
  14:	66 0f 38 10 f2       	pblendvb xmm6,xmm2,xmm0
  19:	66 0f 38 10 fa       	pblendvb xmm7,xmm2,xmm0
  1e:	66 44 0f 38 10 c2    	pblendvb xmm8,xmm2,xmm0
  24:	66 44 0f 38 10 ca    	pblendvb xmm9,xmm2,xmm0
  2a:	66 44 0f 38 10 d2    	pblendvb xmm10,xmm2,xmm0
  30:	66 44 0f 38 10 da    	pblendvb xmm11,xmm2,xmm0
  36:	66 44 0f 38 10 e2    	pblendvb xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12

Show nanoBench command
Results:
- MPERF: 9.28
- APERF: 11.01
- UOPS: 11.2
- FpuPipeAssignment.Total0: 10.94
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

PBLENDVB (XMM, XMM) - Throughput and Uops

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