VPSHUFB (ZMM, ZMM, ZMM)

With unroll_count=500 and no inner loop

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

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

With loop_count=1000 and unroll_count=10

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 0.35
- APERF: 0.5
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.5
- FpuPipeAssignment.Total2: 0.5
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 0.34
- APERF: 0.5
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.5
- FpuPipeAssignment.Total2: 0.5
- FpuPipeAssignment.Total3: 0.0
- 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:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 1.36
- APERF: 2.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

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

With loop_count=100 and unroll_count=20

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 0.0
- 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:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 2.85
- APERF: 4.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 2.74
- APERF: 4.01
- UOPS: 9.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 2.74
- APERF: 4.01
- UOPS: 8.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 16 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2
  30:	62 72 75 48 00 d2    	vpshufb zmm10,zmm1,zmm2
  36:	62 72 75 48 00 da    	vpshufb zmm11,zmm1,zmm2
  3c:	62 72 75 48 00 e2    	vpshufb zmm12,zmm1,zmm2
  42:	62 e2 75 48 00 c2    	vpshufb zmm16,zmm1,zmm2
  48:	62 e2 75 48 00 ca    	vpshufb zmm17,zmm1,zmm2
  4e:	62 e2 75 48 00 d2    	vpshufb zmm18,zmm1,zmm2
  54:	62 e2 75 48 00 da    	vpshufb zmm19,zmm1,zmm2
  5a:	62 e2 75 48 00 e2    	vpshufb zmm20,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 5.51
- APERF: 8.06
- UOPS: 16.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2
  30:	62 72 75 48 00 d2    	vpshufb zmm10,zmm1,zmm2
  36:	62 72 75 48 00 da    	vpshufb zmm11,zmm1,zmm2
  3c:	62 72 75 48 00 e2    	vpshufb zmm12,zmm1,zmm2
  42:	62 e2 75 48 00 c2    	vpshufb zmm16,zmm1,zmm2
  48:	62 e2 75 48 00 ca    	vpshufb zmm17,zmm1,zmm2
  4e:	62 e2 75 48 00 d2    	vpshufb zmm18,zmm1,zmm2
  54:	62 e2 75 48 00 da    	vpshufb zmm19,zmm1,zmm2
  5a:	62 e2 75 48 00 e2    	vpshufb zmm20,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 5.47
- APERF: 8.01
- UOPS: 17.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	62 f2 75 48 00 c2    	vpshufb zmm0,zmm1,zmm2
   6:	62 f2 75 48 00 da    	vpshufb zmm3,zmm1,zmm2
   c:	62 f2 75 48 00 e2    	vpshufb zmm4,zmm1,zmm2
  12:	62 f2 75 48 00 ea    	vpshufb zmm5,zmm1,zmm2
  18:	62 f2 75 48 00 f2    	vpshufb zmm6,zmm1,zmm2
  1e:	62 f2 75 48 00 fa    	vpshufb zmm7,zmm1,zmm2
  24:	62 72 75 48 00 c2    	vpshufb zmm8,zmm1,zmm2
  2a:	62 72 75 48 00 ca    	vpshufb zmm9,zmm1,zmm2
  30:	62 72 75 48 00 d2    	vpshufb zmm10,zmm1,zmm2
  36:	62 72 75 48 00 da    	vpshufb zmm11,zmm1,zmm2
  3c:	62 72 75 48 00 e2    	vpshufb zmm12,zmm1,zmm2
  42:	62 e2 75 48 00 c2    	vpshufb zmm16,zmm1,zmm2
  48:	62 e2 75 48 00 ca    	vpshufb zmm17,zmm1,zmm2
  4e:	62 e2 75 48 00 d2    	vpshufb zmm18,zmm1,zmm2
  54:	62 e2 75 48 00 da    	vpshufb zmm19,zmm1,zmm2
  5a:	62 e2 75 48 00 e2    	vpshufb zmm20,zmm1,zmm2

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2

Show nanoBench command
Results:
- MPERF: 5.47
- APERF: 8.01
- UOPS: 16.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- 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:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.5
- FpuPipeAssignment.Total2: 0.5
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.5
- FpuPipeAssignment.Total2: 0.5
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.5
- FpuPipeAssignment.Total2: 0.5
- FpuPipeAssignment.Total3: 0.0
- 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:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3

Show nanoBench command
Results:
- MPERF: 1.33
- APERF: 2.04
- UOPS: 4.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3

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

With loop_count=100 and unroll_count=20

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3

Show nanoBench command
Results:
- MPERF: 1.37
- APERF: 2.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 2.0
- FpuPipeAssignment.Total2: 2.0
- FpuPipeAssignment.Total3: 0.0
- 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:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7

Show nanoBench command
Results:
- MPERF: 2.91
- APERF: 4.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7

Show nanoBench command
Results:
- MPERF: 2.74
- APERF: 4.01
- UOPS: 9.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7

Show nanoBench command
Results:
- MPERF: 2.74
- APERF: 4.01
- UOPS: 8.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 4.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 16 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7
  30:	62 52 3d 48 00 c0    	vpshufb zmm8,zmm8,zmm8
  36:	62 52 35 48 00 c9    	vpshufb zmm9,zmm9,zmm9
  3c:	62 52 2d 48 00 d2    	vpshufb zmm10,zmm10,zmm10
  42:	62 52 25 48 00 db    	vpshufb zmm11,zmm11,zmm11
  48:	62 52 1d 48 00 e4    	vpshufb zmm12,zmm12,zmm12
  4e:	62 a2 7d 40 00 c0    	vpshufb zmm16,zmm16,zmm16
  54:	62 a2 75 40 00 c9    	vpshufb zmm17,zmm17,zmm17
  5a:	62 a2 6d 40 00 d2    	vpshufb zmm18,zmm18,zmm18

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7;
VXORPS ZMM8, ZMM8, ZMM8;
VXORPS ZMM9, ZMM9, ZMM9;
VXORPS ZMM10, ZMM10, ZMM10;
VXORPS ZMM11, ZMM11, ZMM11;
VXORPS ZMM12, ZMM12, ZMM12;
VXORPS ZMM16, ZMM16, ZMM16;
VXORPS ZMM17, ZMM17, ZMM17;
VXORPS ZMM18, ZMM18, ZMM18

Show nanoBench command
Results:
- MPERF: 5.51
- APERF: 8.07
- UOPS: 16.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7
  30:	62 52 3d 48 00 c0    	vpshufb zmm8,zmm8,zmm8
  36:	62 52 35 48 00 c9    	vpshufb zmm9,zmm9,zmm9
  3c:	62 52 2d 48 00 d2    	vpshufb zmm10,zmm10,zmm10
  42:	62 52 25 48 00 db    	vpshufb zmm11,zmm11,zmm11
  48:	62 52 1d 48 00 e4    	vpshufb zmm12,zmm12,zmm12
  4e:	62 a2 7d 40 00 c0    	vpshufb zmm16,zmm16,zmm16
  54:	62 a2 75 40 00 c9    	vpshufb zmm17,zmm17,zmm17
  5a:	62 a2 6d 40 00 d2    	vpshufb zmm18,zmm18,zmm18

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7;
VXORPS ZMM8, ZMM8, ZMM8;
VXORPS ZMM9, ZMM9, ZMM9;
VXORPS ZMM10, ZMM10, ZMM10;
VXORPS ZMM11, ZMM11, ZMM11;
VXORPS ZMM12, ZMM12, ZMM12;
VXORPS ZMM16, ZMM16, ZMM16;
VXORPS ZMM17, ZMM17, ZMM17;
VXORPS ZMM18, ZMM18, ZMM18

Show nanoBench command
Results:
- MPERF: 5.47
- APERF: 8.01
- UOPS: 17.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	62 f2 7d 48 00 c0    	vpshufb zmm0,zmm0,zmm0
   6:	62 f2 75 48 00 c9    	vpshufb zmm1,zmm1,zmm1
   c:	62 f2 6d 48 00 d2    	vpshufb zmm2,zmm2,zmm2
  12:	62 f2 65 48 00 db    	vpshufb zmm3,zmm3,zmm3
  18:	62 f2 5d 48 00 e4    	vpshufb zmm4,zmm4,zmm4
  1e:	62 f2 55 48 00 ed    	vpshufb zmm5,zmm5,zmm5
  24:	62 f2 4d 48 00 f6    	vpshufb zmm6,zmm6,zmm6
  2a:	62 f2 45 48 00 ff    	vpshufb zmm7,zmm7,zmm7
  30:	62 52 3d 48 00 c0    	vpshufb zmm8,zmm8,zmm8
  36:	62 52 35 48 00 c9    	vpshufb zmm9,zmm9,zmm9
  3c:	62 52 2d 48 00 d2    	vpshufb zmm10,zmm10,zmm10
  42:	62 52 25 48 00 db    	vpshufb zmm11,zmm11,zmm11
  48:	62 52 1d 48 00 e4    	vpshufb zmm12,zmm12,zmm12
  4e:	62 a2 7d 40 00 c0    	vpshufb zmm16,zmm16,zmm16
  54:	62 a2 75 40 00 c9    	vpshufb zmm17,zmm17,zmm17
  5a:	62 a2 6d 40 00 d2    	vpshufb zmm18,zmm18,zmm18

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS ZMM0, ZMM0, ZMM0;
VXORPS ZMM1, ZMM1, ZMM1;
VXORPS ZMM2, ZMM2, ZMM2;
VXORPS ZMM3, ZMM3, ZMM3;
VXORPS ZMM4, ZMM4, ZMM4;
VXORPS ZMM5, ZMM5, ZMM5;
VXORPS ZMM6, ZMM6, ZMM6;
VXORPS ZMM7, ZMM7, ZMM7;
VXORPS ZMM8, ZMM8, ZMM8;
VXORPS ZMM9, ZMM9, ZMM9;
VXORPS ZMM10, ZMM10, ZMM10;
VXORPS ZMM11, ZMM11, ZMM11;
VXORPS ZMM12, ZMM12, ZMM12;
VXORPS ZMM16, ZMM16, ZMM16;
VXORPS ZMM17, ZMM17, ZMM17;
VXORPS ZMM18, ZMM18, ZMM18

Show nanoBench command
Results:
- MPERF: 5.47
- APERF: 8.01
- UOPS: 16.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 8.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

VPSHUFB (ZMM, ZMM, ZMM) - 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 16 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 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 16 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