VMOVMSKPS (R32, XMM) - Latency

Experiment 1

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VMOVD XMM0, R8D
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c1 79 6e c0       	vmovd  xmm0,r8d
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 3.0
  • Reference cycles: 2.99
  • UOPS_EXECUTED.THREAD: 2.0

Experiment 2

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VMOVQ XMM0, R8
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c1 f9 6e c0       	vmovq  xmm0,r8
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 3.0
  • Reference cycles: 2.99
  • UOPS_EXECUTED.THREAD: 2.0

Experiment 3

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VPINSRB XMM0, XMM1, R8D, 2
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c3 71 20 c0 02    	vpinsrb xmm0,xmm1,r8d,0x2
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 4.0
  • Reference cycles: 3.89
  • UOPS_EXECUTED.THREAD: 3.0

Experiment 4

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VPINSRD XMM0, XMM1, R8D, 2
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c3 71 22 c0 02    	vpinsrd xmm0,xmm1,r8d,0x2
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 4.0
  • Reference cycles: 3.79
  • UOPS_EXECUTED.THREAD: 3.0

Experiment 5

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VPINSRQ XMM0, XMM1, R8, 2
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c3 f1 22 c0 02    	vpinsrq xmm0,xmm1,r8,0x2
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 4.0
  • Reference cycles: 3.89
  • UOPS_EXECUTED.THREAD: 3.0

Experiment 6

• Instruction: VMOVMSKPS R8D, XMM0
• Chain instruction: VPINSRW XMM0, XMM1, R8D, 2
• Chain latency: ≥1
• Code:

     0:	c5 78 50 c0          	vmovmskps r8d,xmm0
     4:	c4 c1 71 c4 c0 02    	vpinsrw xmm0,xmm1,r8d,0x2
  

• Init:

  MOV R15, 10000;
  L: VADDPS YMM0, YMM1, YMM1;
  VADDPS YMM0, YMM1, YMM1;
  DEC R15;
  JNZ L;
  VZEROALL;
  MOV RAX, 0x4000000040000000;
  MOV [R14+0], RAX;
  MOV [R14+8], RAX;
  VMOVUPD XMM0, [R14]

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 4.0
  • Reference cycles: 4.05
  • UOPS_EXECUTED.THREAD: 3.0