VMOVNTPS (M512, ZMM)

Experiment 1

Instruction: VMOVNTPS zmmword ptr [R14], ZMM0
Chain instructions: MOV R12, [R14];MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;XOR R14, R12; XOR R14, R12
Chain latency: ≥17

Code:

   0:	62 d1 7c 48 2b 06    	vmovntps ZMMWORD PTR [r14],zmm0
   6:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 18.0
- Core cycles: 287.7
- Reference cycles: 212.21
- UOPS_EXECUTED.THREAD: 19.01

Experiment 2 (with additional nop)

Instruction: VMOVNTPS zmmword ptr [R14], ZMM0
Chain instructions: MOV R12, [R14];MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;XOR R14, R12; XOR R14, R12;nop
Chain latency: ≥17

Code:

   0:	62 d1 7c 48 2b 06    	vmovntps ZMMWORD PTR [r14],zmm0
   6:	4d 8b 26             	mov    r12,QWORD PTR [r14]
   9:	4d 63 e4             	movsxd r12,r12d
   c:	4d 63 e4             	movsxd r12,r12d
   f:	4d 63 e4             	movsxd r12,r12d
  12:	4d 63 e4             	movsxd r12,r12d
  15:	4d 63 e4             	movsxd r12,r12d
  18:	4d 63 e4             	movsxd r12,r12d
  1b:	4d 63 e4             	movsxd r12,r12d
  1e:	4d 63 e4             	movsxd r12,r12d
  21:	4d 63 e4             	movsxd r12,r12d
  24:	4d 63 e4             	movsxd r12,r12d
  27:	4d 63 e4             	movsxd r12,r12d
  2a:	4d 63 e4             	movsxd r12,r12d
  2d:	4d 63 e4             	movsxd r12,r12d
  30:	4d 63 e4             	movsxd r12,r12d
  33:	4d 31 e6             	xor    r14,r12
  36:	4d 31 e6             	xor    r14,r12
  39:	90                   	nop

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 19.0
- Core cycles: 294.05
- Reference cycles: 209.91
- UOPS_EXECUTED.THREAD: 19.0

Latency operand 1 → 1 (address, index register): ≤276

Experiment 1

Instruction: VMOVNTPS zmmword ptr [R14+R13], ZMM0
Chain instructions: MOV R12, [R14+R13];MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;XOR R13, R12; XOR R13, R12
Chain latency: ≥17

Code:

   0:	62 91 7c 48 2b 04 2e 	vmovntps ZMMWORD PTR [r14+r13*1],zmm0
   7:	4f 8b 24 2e          	mov    r12,QWORD PTR [r14+r13*1]
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 31 e5             	xor    r13,r12
  38:	4d 31 e5             	xor    r13,r12

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14];
XOR R13, R13

Show nanoBench command
Results:
- Instructions retired: 18.0
- Core cycles: 293.47
- Reference cycles: 202.71
- UOPS_EXECUTED.THREAD: 19.0

Experiment 2 (with additional nop)

Instruction: VMOVNTPS zmmword ptr [R14+R13], ZMM0
Chain instructions: MOV R12, [R14+R13];MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;MOVSX R12, R12D;XOR R13, R12; XOR R13, R12;nop
Chain latency: ≥17

Code:

   0:	62 91 7c 48 2b 04 2e 	vmovntps ZMMWORD PTR [r14+r13*1],zmm0
   7:	4f 8b 24 2e          	mov    r12,QWORD PTR [r14+r13*1]
   b:	4d 63 e4             	movsxd r12,r12d
   e:	4d 63 e4             	movsxd r12,r12d
  11:	4d 63 e4             	movsxd r12,r12d
  14:	4d 63 e4             	movsxd r12,r12d
  17:	4d 63 e4             	movsxd r12,r12d
  1a:	4d 63 e4             	movsxd r12,r12d
  1d:	4d 63 e4             	movsxd r12,r12d
  20:	4d 63 e4             	movsxd r12,r12d
  23:	4d 63 e4             	movsxd r12,r12d
  26:	4d 63 e4             	movsxd r12,r12d
  29:	4d 63 e4             	movsxd r12,r12d
  2c:	4d 63 e4             	movsxd r12,r12d
  2f:	4d 63 e4             	movsxd r12,r12d
  32:	4d 63 e4             	movsxd r12,r12d
  35:	4d 31 e5             	xor    r13,r12
  38:	4d 31 e5             	xor    r13,r12
  3b:	90                   	nop

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14];
XOR R13, R13

Show nanoBench command
Results:
- Instructions retired: 19.0
- Core cycles: 293.41
- Reference cycles: 203.32
- UOPS_EXECUTED.THREAD: 19.01

Latency operand 2 → 1: ≤270

Experiment 1

Instruction: VMOVNTPS zmmword ptr [R14], ZMM0
Chain instructions: VMOVUPD XMM13, [R14];VSHUFPD XMM0, XMM13, XMM13, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0;VSHUFPD XMM0, XMM0, XMM0, 0
Chain latency: ≥16

Code:

   0:	62 d1 7c 48 2b 06    	vmovntps ZMMWORD PTR [r14],zmm0
   6:	c4 41 79 10 2e       	vmovupd xmm13,XMMWORD PTR [r14]
   b:	c4 c1 11 c6 c5 00    	vshufpd xmm0,xmm13,xmm13,0x0
  11:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  16:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  1b:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  20:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  25:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  2a:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  2f:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  34:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  39:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  3e:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  43:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  48:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  4d:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0
  52:	c5 f9 c6 c0 00       	vshufpd xmm0,xmm0,xmm0,0x0

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 17.0
- Core cycles: 285.88
- Reference cycles: 204.24
- UOPS_EXECUTED.THREAD: 18.0

Experiment 2

Instruction: VMOVNTPS zmmword ptr [R14], ZMM0
Chain instructions: VMOVDQU XMM13, [R14];VPAND XMM0, XMM13, XMM13;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0;VPAND XMM0, XMM0, XMM0
Chain latency: ≥16

Code:

   0:	62 d1 7c 48 2b 06    	vmovntps ZMMWORD PTR [r14],zmm0
   6:	c4 41 7a 6f 2e       	vmovdqu xmm13,XMMWORD PTR [r14]
   b:	c4 c1 11 db c5       	vpand  xmm0,xmm13,xmm13
  10:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  14:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  18:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  1c:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  20:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  24:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  28:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  2c:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  30:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  34:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  38:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  3c:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  40:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0
  44:	c5 f9 db c0          	vpand  xmm0,xmm0,xmm0

Init:

MOV R15, 10000;
L: VADDPS ZMM0, ZMM1, ZMM1;
VADDPS ZMM0, ZMM1, ZMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
MOV [R14+32], RAX;
MOV [R14+40], RAX;
MOV [R14+48], RAX;
MOV [R14+56], RAX;
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- Instructions retired: 17.0
- Core cycles: 292.65
- Reference cycles: 202.55
- UOPS_EXECUTED.THREAD: 18.0

VMOVNTPS (M512, ZMM) - Latency

Operands

Latency operand 1 → 1 (address, base register): ≤270

Latency operand 1 → 1 (address, index register): ≤276

Latency operand 2 → 1: ≤270

Latency operand 1 → 1 (address, base register): ≤270

Experiment 1

Experiment 2 (with additional nop)

Latency operand 1 → 1 (address, index register): ≤276

Experiment 1

Experiment 2 (with additional nop)

Latency operand 2 → 1: ≤270

Experiment 1

Experiment 2