VGATHERDPS (ZMM, K, VSIB

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPCMPD K1, XMM15, XMM15, 7

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 5.0

Experiment 2

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
   e:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  15:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  1c:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  23:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  2a:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  31:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  38:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  3f:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  46:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  4d:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  54:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  5b:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  62:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 19.34
- Reference cycles: 6.51
- UOPS_EXECUTED.THREAD: 18.04

Experiment 3

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
   d:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  13:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  19:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1f:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  25:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2b:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  31:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  37:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  3d:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  43:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  49:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  4f:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  55:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 14.42
- Reference cycles: 4.91
- UOPS_EXECUTED.THREAD: 18.0

Experiment 4 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPCMPD K1, XMM15, XMM15, 7

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 5.0

Experiment 5 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VSHUFPD ZMM0, ZMM0, ZMM0, 0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
   e:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  15:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  1c:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  23:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  2a:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  31:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  38:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  3f:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  46:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  4d:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  54:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  5b:	62 f1 fd 48 c6 c0 00 	vshufpd zmm0,zmm0,zmm0,0x0
  62:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 19.25
- Reference cycles: 6.51
- UOPS_EXECUTED.THREAD: 18.0

Experiment 6 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
   d:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  13:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  19:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1f:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  25:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2b:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  31:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  37:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  3d:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  43:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  49:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  4f:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  55:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 14.41
- Reference cycles: 4.96
- UOPS_EXECUTED.THREAD: 18.0

Latency operand 1 → 2: 8

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VMOVUPS ZMM0 {K1}, ZMM14;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 1

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 d1 7c 49 10 c6    	vmovups zmm0{k1},zmm14
   d:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 6.0

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

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VMOVUPS ZMM0 {K1}, ZMM14;VPCMPD K1, XMM15, XMM15, 7
Chain latency: 1

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 d1 7c 49 10 c6    	vmovups zmm0{k1},zmm14
   d:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 6.0

Latency operand 2 → 1: 25

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPMOVQ2M K1, ZMM0
Chain latency: 3

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f2 fe 48 39 c8    	vpmovq2m k1,zmm0

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.0
- Reference cycles: 9.4
- UOPS_EXECUTED.THREAD: 5.0

Experiment 2

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPTESTNMQ K1 {K1}, ZMM0, ZMM0
Chain latency: 3

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f2 fe 49 27 c8    	vptestnmq k1{k1},zmm0,zmm0

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.0
- Reference cycles: 9.61
- UOPS_EXECUTED.THREAD: 5.0

Experiment 3 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPMOVQ2M K1, ZMM0
Chain latency: 3

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f2 fe 48 39 c8    	vpmovq2m k1,zmm0

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.0
- Reference cycles: 9.46
- UOPS_EXECUTED.THREAD: 5.0

Experiment 4 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instruction: VPTESTNMQ K1 {K1}, ZMM0, ZMM0
Chain latency: 3

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 f2 fe 49 27 c8    	vptestnmq k1{k1},zmm0,zmm0

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 28.0
- Reference cycles: 9.56
- UOPS_EXECUTED.THREAD: 5.0

Latency operand 2 → 2: 1

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 4.0

Experiment 2

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c4 e1 f8 90 c9       	kmovq  k1,k1
   c:	c4 e1 f8 90 c9       	kmovq  k1,k1
  11:	c4 e1 f8 90 c9       	kmovq  k1,k1
  16:	c4 e1 f8 90 c9       	kmovq  k1,k1
  1b:	c4 e1 f8 90 c9       	kmovq  k1,k1
  20:	c4 e1 f8 90 c9       	kmovq  k1,k1
  25:	c4 e1 f8 90 c9       	kmovq  k1,k1
  2a:	c4 e1 f8 90 c9       	kmovq  k1,k1
  2f:	c4 e1 f8 90 c9       	kmovq  k1,k1
  34:	c4 e1 f8 90 c9       	kmovq  k1,k1
  39:	c4 e1 f8 90 c9       	kmovq  k1,k1
  3e:	c4 e1 f8 90 c9       	kmovq  k1,k1
  43:	c4 e1 f8 90 c9       	kmovq  k1,k1

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 14.0
- Reference cycles: 4.81
- UOPS_EXECUTED.THREAD: 16.99

Experiment 3 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 9.0
- Reference cycles: 3.1
- UOPS_EXECUTED.THREAD: 4.0

Experiment 4 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1;KMOVQ K1, K1
Chain latency: 13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c4 e1 f8 90 c9       	kmovq  k1,k1
   c:	c4 e1 f8 90 c9       	kmovq  k1,k1
  11:	c4 e1 f8 90 c9       	kmovq  k1,k1
  16:	c4 e1 f8 90 c9       	kmovq  k1,k1
  1b:	c4 e1 f8 90 c9       	kmovq  k1,k1
  20:	c4 e1 f8 90 c9       	kmovq  k1,k1
  25:	c4 e1 f8 90 c9       	kmovq  k1,k1
  2a:	c4 e1 f8 90 c9       	kmovq  k1,k1
  2f:	c4 e1 f8 90 c9       	kmovq  k1,k1
  34:	c4 e1 f8 90 c9       	kmovq  k1,k1
  39:	c4 e1 f8 90 c9       	kmovq  k1,k1
  3e:	c4 e1 f8 90 c9       	kmovq  k1,k1
  43:	c4 e1 f8 90 c9       	kmovq  k1,k1

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 14.0
- Reference cycles: 4.75
- UOPS_EXECUTED.THREAD: 17.0

Latency operand 3 → 1 (address, base register): ≤22

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VMOVQ R12, XMM0;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 35.0
- Reference cycles: 11.88
- UOPS_EXECUTED.THREAD: 18.0

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

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VMOVQ R12, XMM0;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;XOR R14, R12;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥13

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   c:	4d 31 e6             	xor    r14,r12
   f:	4d 31 e6             	xor    r14,r12
  12:	4d 31 e6             	xor    r14,r12
  15:	4d 31 e6             	xor    r14,r12
  18:	4d 31 e6             	xor    r14,r12
  1b:	4d 31 e6             	xor    r14,r12
  1e:	4d 31 e6             	xor    r14,r12
  21:	4d 31 e6             	xor    r14,r12
  24:	4d 31 e6             	xor    r14,r12
  27:	4d 31 e6             	xor    r14,r12
  2a:	4d 31 e6             	xor    r14,r12
  2d:	4d 31 e6             	xor    r14,r12
  30:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 15.0
- Core cycles: 35.0
- Reference cycles: 11.94
- UOPS_EXECUTED.THREAD: 18.0

Latency operand 3 → 1 (address, index register): ≤25

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥12

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
   d:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  13:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  19:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  1f:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  25:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  2b:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  31:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  37:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  3d:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  43:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  49:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  4f:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 37.0
- Reference cycles: 12.45
- UOPS_EXECUTED.THREAD: 17.0

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

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VANDPD ZMM14, ZMM14, ZMM0;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥12

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
   d:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  13:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  19:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  1f:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  25:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  2b:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  31:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  37:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  3d:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  43:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  49:	62 71 8d 48 54 f0    	vandpd zmm14,zmm14,zmm0
  4f:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 37.0
- Reference cycles: 12.56
- UOPS_EXECUTED.THREAD: 17.0

Latency operand 3 → 1 (memory): ≤13

Experiment 1

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VSHUFPD XMM13, XMM0, XMM0, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VMOVSS [R14], XMM13;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥14

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c5 79 c6 e8 00       	vshufpd xmm13,xmm0,xmm0,0x0
   c:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  12:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  18:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  1e:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  24:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  2a:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  30:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  36:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  3c:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  42:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  48:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  4e:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  54:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  59:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 16.0
- Core cycles: 27.0
- Reference cycles: 9.3
- UOPS_EXECUTED.THREAD: 20.0

Experiment 2

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VPAND XMM13, XMM0, XMM0;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VMOVD [R14], XMM13;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥14

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  10:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  15:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  24:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  29:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  33:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  38:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  42:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  47:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  4c:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14

Show nanoBench command
Results:
- Instructions retired: 16.0
- Core cycles: 28.59
- Reference cycles: 9.61
- UOPS_EXECUTED.THREAD: 20.0

Experiment 3 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VSHUFPD XMM13, XMM0, XMM0, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VSHUFPD XMM13, XMM13, XMM13, 0;VMOVSS [R14], XMM13;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥14

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c5 79 c6 e8 00       	vshufpd xmm13,xmm0,xmm0,0x0
   c:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  12:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  18:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  1e:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  24:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  2a:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  30:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  36:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  3c:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  42:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  48:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  4e:	c4 41 11 c6 ed 00    	vshufpd xmm13,xmm13,xmm13,0x0
  54:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  59:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 16.0
- Core cycles: 27.0
- Reference cycles: 9.2
- UOPS_EXECUTED.THREAD: 20.0

Experiment 4 (source registers initialized by an instruction of the same kind)

Instruction: VGATHERDPS ZMM0 {K1}, [R14+ZMM14]
Chain instructions: VPAND XMM13, XMM0, XMM0;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VPAND XMM13, XMM13, XMM13;VMOVD [R14], XMM13;VPCMPD K1, XMM15, XMM15, 7
Chain latency: ≥14

Code:

   0:	62 92 7d 49 92 04 36 	vgatherdps zmm0{k1},DWORD PTR [r14+zmm14*1]
   7:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  10:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  15:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  24:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  29:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  33:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  38:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  42:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  47:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  4c:	62 d3 05 08 1f cf 07 	vpcmpd k1,xmm15,xmm15,0x7

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];
VXORPS ZMM14, ZMM14, ZMM14;
VGATHERDPS ZMM0  {K1}, [R14+ZMM14]

Show nanoBench command
Results:
- Instructions retired: 16.0
- Core cycles: 28.6
- Reference cycles: 9.77
- UOPS_EXECUTED.THREAD: 20.0

VGATHERDPS (ZMM, K, VSIB_ZMM) - Latency

Operands

Latency operand 1 → 1: 1

Latency operand 1 → 2: 8

Latency operand 2 → 1: 25

Latency operand 2 → 2: 1

Latency operand 3 → 1 (address, base register): ≤22

Latency operand 3 → 1 (address, index register): ≤25

Latency operand 3 → 1 (memory): ≤13

Latency operand 1 → 1: 1

Experiment 1

Experiment 2

Experiment 3

Experiment 4 (source registers initialized by an instruction of the same kind)

Experiment 5 (source registers initialized by an instruction of the same kind)

Experiment 6 (source registers initialized by an instruction of the same kind)

Latency operand 1 → 2: 8

Experiment 1

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

Latency operand 2 → 1: 25

Experiment 1

Experiment 2

Experiment 3 (source registers initialized by an instruction of the same kind)

Experiment 4 (source registers initialized by an instruction of the same kind)

Latency operand 2 → 2: 1

Experiment 1

Experiment 2

Experiment 3 (source registers initialized by an instruction of the same kind)

Experiment 4 (source registers initialized by an instruction of the same kind)

Latency operand 3 → 1 (address, base register): ≤22

Experiment 1

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

Latency operand 3 → 1 (address, index register): ≤25

Experiment 1

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

Latency operand 3 → 1 (memory): ≤13

Experiment 1

Experiment 2

Experiment 3 (source registers initialized by an instruction of the same kind)

Experiment 4 (source registers initialized by an instruction of the same kind)