VPERMW (YMM, YMM, YMM) - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw 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:
  • Instructions retired: 1.0
  • Core cycles: 1.0
  • Reference cycles: 0.36
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 2.0
  • UOPS_MITE: 2.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.45
  • UOPS_PORT_1: 0.55
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 1 NOP

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	90                   	nop
  

• 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:
  • Instructions retired: 2.0
  • Core cycles: 1.0
  • Reference cycles: 0.33
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 3.0
  • UOPS_MITE: 3.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.44
  • UOPS_PORT_1: 0.56
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 2 NOPs

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	90                   	nop
     7:	90                   	nop
  

• 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:
  • Instructions retired: 3.0
  • Core cycles: 1.0
  • Reference cycles: 0.35
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 4.0
  • UOPS_MITE: 4.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.44
  • UOPS_PORT_1: 0.56
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 3 NOPs

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
  

• 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:
  • Instructions retired: 4.0
  • Core cycles: 1.12
  • Reference cycles: 0.38
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 5.0
  • UOPS_MITE: 4.95
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.5
  • UOPS_PORT_1: 0.5
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.12

With unroll_count=500, no inner loop, and 4 NOPs

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
     9:	90                   	nop
  

• 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:
  • Instructions retired: 5.0
  • Core cycles: 2.0
  • Reference cycles: 0.67
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 6.0
  • UOPS_MITE: 6.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.5
  • UOPS_PORT_1: 0.5
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw 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:
  • Instructions retired: 1.2
  • Core cycles: 1.0
  • Reference cycles: 0.33
  • UOPS_EXECUTED.THREAD: 2.1
  • RETIRE_SLOTS: 2.1
  • UOPS_MITE: 0.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.48
  • UOPS_PORT_1: 0.52
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.1
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw 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:
  • Instructions retired: 1.02
  • Core cycles: 1.0
  • Reference cycles: 0.33
  • UOPS_EXECUTED.THREAD: 2.01
  • RETIRE_SLOTS: 2.01
  • UOPS_MITE: 0.02
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.01
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With unroll_count=200 and no inner loop

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw 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:
  • Instructions retired: 4.0
  • Core cycles: 4.0
  • Reference cycles: 1.32
  • UOPS_EXECUTED.THREAD: 8.0
  • RETIRE_SLOTS: 8.0
  • UOPS_MITE: 8.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 1.78
  • UOPS_PORT_1: 2.23
  • UOPS_PORT_5: 4.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 4.0

With loop_count=1000 and unroll_count=2

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw 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:
  • Instructions retired: 5.0
  • Core cycles: 4.0
  • Reference cycles: 1.33
  • UOPS_EXECUTED.THREAD: 8.5
  • RETIRE_SLOTS: 8.5
  • UOPS_MITE: 0.01
  • UOPS_MS: 0.01
  • UOPS_PORT_0: 1.96
  • UOPS_PORT_1: 2.04
  • UOPS_PORT_5: 4.0
  • UOPS_PORT_6: 0.5
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=20

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw 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:
  • Instructions retired: 4.1
  • Core cycles: 4.01
  • Reference cycles: 1.33
  • UOPS_EXECUTED.THREAD: 8.05
  • RETIRE_SLOTS: 8.05
  • UOPS_MITE: 0.08
  • UOPS_MS: 0.01
  • UOPS_PORT_0: 1.95
  • UOPS_PORT_1: 2.05
  • UOPS_PORT_5: 4.0
  • UOPS_PORT_6: 0.05
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.04

With unroll_count=100 and no inner loop

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw 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:
  • Instructions retired: 8.0
  • Core cycles: 8.0
  • Reference cycles: 2.64
  • UOPS_EXECUTED.THREAD: 16.0
  • RETIRE_SLOTS: 16.0
  • UOPS_MITE: 16.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.55
  • UOPS_PORT_1: 4.45
  • UOPS_PORT_5: 8.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 8.0

With loop_count=1000 and unroll_count=1

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw 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:
  • Instructions retired: 10.0
  • Core cycles: 8.01
  • Reference cycles: 2.64
  • UOPS_EXECUTED.THREAD: 17.01
  • RETIRE_SLOTS: 17.0
  • UOPS_MITE: 0.03
  • UOPS_MS: 0.02
  • UOPS_PORT_0: 3.9
  • UOPS_PORT_1: 4.11
  • UOPS_PORT_5: 8.0
  • UOPS_PORT_6: 1.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With loop_count=100 and unroll_count=10

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw 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:
  • Instructions retired: 8.2
  • Core cycles: 8.01
  • Reference cycles: 2.68
  • UOPS_EXECUTED.THREAD: 16.1
  • RETIRE_SLOTS: 16.11
  • UOPS_MITE: 0.16
  • UOPS_MS: 0.02
  • UOPS_PORT_0: 3.89
  • UOPS_PORT_1: 4.11
  • UOPS_PORT_5: 8.0
  • UOPS_PORT_6: 0.1
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.08

With unroll_count=100 and no inner loop

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw ymm9,ymm1,ymm2
    30:	62 72 f5 28 8d d2    	vpermw ymm10,ymm1,ymm2
    36:	62 72 f5 28 8d da    	vpermw ymm11,ymm1,ymm2
    3c:	62 72 f5 28 8d e2    	vpermw ymm12,ymm1,ymm2
    42:	62 e2 f5 28 8d c2    	vpermw ymm16,ymm1,ymm2
    48:	62 e2 f5 28 8d ca    	vpermw ymm17,ymm1,ymm2
    4e:	62 e2 f5 28 8d d2    	vpermw ymm18,ymm1,ymm2
    54:	62 e2 f5 28 8d da    	vpermw ymm19,ymm1,ymm2
    5a:	62 e2 f5 28 8d e2    	vpermw ymm20,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:
  • Instructions retired: 16.0
  • Core cycles: 16.0
  • Reference cycles: 5.27
  • UOPS_EXECUTED.THREAD: 32.0
  • RETIRE_SLOTS: 32.01
  • UOPS_MITE: 31.93
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 7.11
  • UOPS_PORT_1: 8.89
  • UOPS_PORT_5: 16.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 16.0

With loop_count=1000 and unroll_count=1

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw ymm9,ymm1,ymm2
    30:	62 72 f5 28 8d d2    	vpermw ymm10,ymm1,ymm2
    36:	62 72 f5 28 8d da    	vpermw ymm11,ymm1,ymm2
    3c:	62 72 f5 28 8d e2    	vpermw ymm12,ymm1,ymm2
    42:	62 e2 f5 28 8d c2    	vpermw ymm16,ymm1,ymm2
    48:	62 e2 f5 28 8d ca    	vpermw ymm17,ymm1,ymm2
    4e:	62 e2 f5 28 8d d2    	vpermw ymm18,ymm1,ymm2
    54:	62 e2 f5 28 8d da    	vpermw ymm19,ymm1,ymm2
    5a:	62 e2 f5 28 8d e2    	vpermw ymm20,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:
  • Instructions retired: 18.0
  • Core cycles: 16.01
  • Reference cycles: 5.31
  • UOPS_EXECUTED.THREAD: 33.0
  • RETIRE_SLOTS: 33.01
  • UOPS_MITE: 0.03
  • UOPS_MS: 0.02
  • UOPS_PORT_0: 7.76
  • UOPS_PORT_1: 8.24
  • UOPS_PORT_5: 16.0
  • UOPS_PORT_6: 1.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.02

With loop_count=100 and unroll_count=10

• Code:

     0:	62 f2 f5 28 8d c2    	vpermw ymm0,ymm1,ymm2
     6:	62 f2 f5 28 8d da    	vpermw ymm3,ymm1,ymm2
     c:	62 f2 f5 28 8d e2    	vpermw ymm4,ymm1,ymm2
    12:	62 f2 f5 28 8d ea    	vpermw ymm5,ymm1,ymm2
    18:	62 f2 f5 28 8d f2    	vpermw ymm6,ymm1,ymm2
    1e:	62 f2 f5 28 8d fa    	vpermw ymm7,ymm1,ymm2
    24:	62 72 f5 28 8d c2    	vpermw ymm8,ymm1,ymm2
    2a:	62 72 f5 28 8d ca    	vpermw ymm9,ymm1,ymm2
    30:	62 72 f5 28 8d d2    	vpermw ymm10,ymm1,ymm2
    36:	62 72 f5 28 8d da    	vpermw ymm11,ymm1,ymm2
    3c:	62 72 f5 28 8d e2    	vpermw ymm12,ymm1,ymm2
    42:	62 e2 f5 28 8d c2    	vpermw ymm16,ymm1,ymm2
    48:	62 e2 f5 28 8d ca    	vpermw ymm17,ymm1,ymm2
    4e:	62 e2 f5 28 8d d2    	vpermw ymm18,ymm1,ymm2
    54:	62 e2 f5 28 8d da    	vpermw ymm19,ymm1,ymm2
    5a:	62 e2 f5 28 8d e2    	vpermw ymm20,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:
  • Instructions retired: 16.2
  • Core cycles: 16.01
  • Reference cycles: 5.31
  • UOPS_EXECUTED.THREAD: 32.1
  • RETIRE_SLOTS: 32.1
  • UOPS_MITE: 0.31
  • UOPS_MS: 0.02
  • UOPS_PORT_0: 7.81
  • UOPS_PORT_1: 8.2
  • UOPS_PORT_5: 16.0
  • UOPS_PORT_6: 0.1
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.16

With unroll_count=500 and no inner loop

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw 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:
  • Instructions retired: 1.0
  • Core cycles: 4.0
  • Reference cycles: 1.32
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 2.0
  • UOPS_MITE: 2.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 1 NOP

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw ymm0,ymm0,ymm0
     6:	90                   	nop
  

• 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:
  • Instructions retired: 2.0
  • Core cycles: 4.0
  • Reference cycles: 1.32
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 3.0
  • UOPS_MITE: 2.99
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 2 NOPs

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw ymm0,ymm0,ymm0
     6:	90                   	nop
     7:	90                   	nop
  

• 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:
  • Instructions retired: 3.0
  • Core cycles: 4.0
  • Reference cycles: 1.36
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 4.0
  • UOPS_MITE: 3.99
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 3 NOPs

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw ymm0,ymm0,ymm0
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
  

• 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:
  • Instructions retired: 4.0
  • Core cycles: 4.02
  • Reference cycles: 1.3
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 4.99
  • UOPS_MITE: 4.97
  • UOPS_MS: 0.05
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.01

With unroll_count=500, no inner loop, and 4 NOPs

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw ymm0,ymm0,ymm0
     6:	90                   	nop
     7:	90                   	nop
     8:	90                   	nop
     9:	90                   	nop
  

• 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:
  • Instructions retired: 5.0
  • Core cycles: 4.0
  • Reference cycles: 1.35
  • UOPS_EXECUTED.THREAD: 2.0
  • RETIRE_SLOTS: 6.0
  • UOPS_MITE: 6.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.0
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw 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:
  • Instructions retired: 1.2
  • Core cycles: 4.0
  • Reference cycles: 1.33
  • UOPS_EXECUTED.THREAD: 2.1
  • RETIRE_SLOTS: 2.1
  • UOPS_MITE: 0.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.5
  • UOPS_PORT_1: 0.5
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.1
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

• Code:

     0:	62 f2 fd 28 8d c0    	vpermw 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:
  • Instructions retired: 1.02
  • Core cycles: 4.0
  • Reference cycles: 1.33
  • UOPS_EXECUTED.THREAD: 2.01
  • RETIRE_SLOTS: 2.01
  • UOPS_MITE: 0.02
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 0.49
  • UOPS_PORT_1: 0.51
  • UOPS_PORT_5: 1.0
  • UOPS_PORT_6: 0.01
  • UOPS_PORT_23: 0.0
  • UOPS_PORT_49: 0.0
  • UOPS_PORT_78: 0.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01