VMASKMOVPS (YMM, YMM, M256)

Experiment 1

Instruction: VMASKMOVPS YMM1, YMM0, ymmword ptr [R14]
Chain instructions: VSHUFPD YMM0, YMM1, YMM1, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0
Chain latency: 5

Code:

   0:	c4 c2 7d 2c 0e       	vmaskmovps ymm1,ymm0,YMMWORD PTR [r14]
   5:	c5 f5 c6 c1 00       	vshufpd ymm0,ymm1,ymm1,0x0
   a:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
   f:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  14:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  19:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 5.98
- Reference cycles: 4.38
- UOPS_EXECUTED.THREAD: 7.02

Experiment 2 (source registers initialized by an instruction of the same kind)

Instruction: VMASKMOVPS YMM1, YMM0, ymmword ptr [R14]
Chain instructions: VSHUFPD YMM0, YMM1, YMM1, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0
Chain latency: 5

Code:

   0:	c4 c2 7d 2c 0e       	vmaskmovps ymm1,ymm0,YMMWORD PTR [r14]
   5:	c5 f5 c6 c1 00       	vshufpd ymm0,ymm1,ymm1,0x0
   a:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
   f:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  14:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  19:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
VMASKMOVPS YMM0, YMM1, ymmword ptr [R14]

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 5.98
- Reference cycles: 3.96
- UOPS_EXECUTED.THREAD: 6.99

Latency operand 3 → 1 (address, base register): ≤9

Experiment 1

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14]
Chain instructions: VMOVQ R12, XMM0;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12
Chain latency: ≥5

Code:

   0:	c4 c2 75 2c 06       	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14]
   5:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   a:	4d 31 e6             	xor    r14,r12
   d:	4d 31 e6             	xor    r14,r12
  10:	4d 31 e6             	xor    r14,r12
  13:	4d 31 e6             	xor    r14,r12

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 14.0
- Reference cycles: 9.79
- UOPS_EXECUTED.THREAD: 7.02

Experiment 2 (source registers initialized by an instruction of the same kind)

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14]
Chain instructions: VMOVQ R12, XMM0;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12
Chain latency: ≥5

Code:

   0:	c4 c2 75 2c 06       	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14]
   5:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   a:	4d 31 e6             	xor    r14,r12
   d:	4d 31 e6             	xor    r14,r12
  10:	4d 31 e6             	xor    r14,r12
  13:	4d 31 e6             	xor    r14,r12

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
VMASKMOVPS YMM1, YMM0, ymmword ptr [R14]

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 14.0
- Reference cycles: 11.25
- UOPS_EXECUTED.THREAD: 7.02

Latency operand 3 → 1 (address, index register): ≤9

Experiment 1

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14+R13]
Chain instructions: VMOVQ R12, XMM0;XOR R13, R12;XOR R13, R12;XOR R13, R12;XOR R13, R12
Chain latency: ≥5

Code:

   0:	c4 82 75 2c 04 2e    	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14+r13*1]
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e5             	xor    r13,r12
   e:	4d 31 e5             	xor    r13,r12
  11:	4d 31 e5             	xor    r13,r12
  14:	4d 31 e5             	xor    r13,r12

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
XOR R13, R13

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 14.0
- Reference cycles: 10.63
- UOPS_EXECUTED.THREAD: 7.0

Experiment 2 (source registers initialized by an instruction of the same kind)

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14+R13]
Chain instructions: VMOVQ R12, XMM0;XOR R13, R12;XOR R13, R12;XOR R13, R12;XOR R13, R12
Chain latency: ≥5

Code:

   0:	c4 82 75 2c 04 2e    	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14+r13*1]
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e5             	xor    r13,r12
   e:	4d 31 e5             	xor    r13,r12
  11:	4d 31 e5             	xor    r13,r12
  14:	4d 31 e5             	xor    r13,r12

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
XOR R13, R13;
VMASKMOVPS YMM1, YMM0, ymmword ptr [R14]

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 14.0
- Reference cycles: 11.04
- UOPS_EXECUTED.THREAD: 7.03

Latency operand 3 → 1 (memory): ≤6

Experiment 1

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14]
Chain instructions: VSHUFPD YMM13, YMM0, YMM0, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VMOVUPD [R14], YMM13
Chain latency: ≥6

Code:

   0:	c4 c2 75 2c 06       	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14]
   5:	c5 7d c6 e8 00       	vshufpd ymm13,ymm0,ymm0,0x0
   a:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  10:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  16:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  1c:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  22:	c4 41 7d 11 2e       	vmovupd YMMWORD PTR [r14],ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 12.0
- Reference cycles: 9.17
- UOPS_EXECUTED.THREAD: 9.0

Experiment 2 (source registers initialized by an instruction of the same kind)

Instruction: VMASKMOVPS YMM0, YMM1, ymmword ptr [R14]
Chain instructions: VSHUFPD YMM13, YMM0, YMM0, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VSHUFPD YMM13, YMM13, YMM13, 0;VMOVUPD [R14], YMM13
Chain latency: ≥6

Code:

   0:	c4 c2 75 2c 06       	vmaskmovps ymm0,ymm1,YMMWORD PTR [r14]
   5:	c5 7d c6 e8 00       	vshufpd ymm13,ymm0,ymm0,0x0
   a:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  10:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  16:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  1c:	c4 41 15 c6 ed 00    	vshufpd ymm13,ymm13,ymm13,0x0
  22:	c4 41 7d 11 2e       	vmovupd YMMWORD PTR [r14],ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
VMASKMOVPS YMM1, YMM0, ymmword ptr [R14]

Show nanoBench command
Results:
- Instructions retired: 7.0
- Core cycles: 12.0
- Reference cycles: 8.75
- UOPS_EXECUTED.THREAD: 8.99

VMASKMOVPS (YMM, YMM, M256) - Latency

Operands

Latency operand 2 → 1: 1

Latency operand 3 → 1 (address, base register): ≤9

Latency operand 3 → 1 (address, index register): ≤9

Latency operand 3 → 1 (memory): ≤6

Latency operand 2 → 1: 1

Experiment 1

Experiment 2 (source registers initialized by an instruction of the same kind)

Latency operand 3 → 1 (address, base register): ≤9

Experiment 1

Experiment 2 (source registers initialized by an instruction of the same kind)

Latency operand 3 → 1 (address, index register): ≤9

Experiment 1

Experiment 2 (source registers initialized by an instruction of the same kind)

Latency operand 3 → 1 (memory): ≤6

Experiment 1

Experiment 2 (source registers initialized by an instruction of the same kind)