VPGATHERDD (YMM, VSIB

Experiment 1

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instruction: VPCMPEQD YMM1, YMM1, YMM1

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 17.51
- APERF: 20.0
- UOPS: 67.0

Experiment 2

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 32.3
- APERF: 37.13
- UOPS: 113.0

Experiment 3

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 33.72
- APERF: 38.64
- UOPS: 113.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instruction: VPCMPEQD YMM1, YMM1, YMM1

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 17.51
- APERF: 20.0
- UOPS: 67.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 32.7
- APERF: 37.34
- UOPS: 113.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 33.6
- APERF: 38.69
- UOPS: 113.0

Latency operand 1 → 3: 7

Experiment 1

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM0, YMM1, YMM1;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 54 c1          	vandpd ymm0,ymm1,ymm1
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 26.18
- APERF: 30.0
- UOPS: 113.0

Experiment 2

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VPAND YMM0, YMM1, YMM1;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 db c1          	vpand  ymm0,ymm1,ymm1
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 26.12
- APERF: 30.0
- UOPS: 113.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM0, YMM1, YMM1;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 54 c1          	vandpd ymm0,ymm1,ymm1
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 26.24
- APERF: 30.0
- UOPS: 113.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VPAND YMM0, YMM1, YMM1;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: 23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 f5 db c1          	vpand  ymm0,ymm1,ymm1
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 25.84
- APERF: 30.0
- UOPS: 113.0

Latency operand 2 → 1 (address, base register): ≤20

Experiment 1

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
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;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;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e6             	xor    r14,r12
   e:	4d 31 e6             	xor    r14,r12
  11:	4d 31 e6             	xor    r14,r12
  14:	4d 31 e6             	xor    r14,r12
  17:	4d 31 e6             	xor    r14,r12
  1a:	4d 31 e6             	xor    r14,r12
  1d:	4d 31 e6             	xor    r14,r12
  20:	4d 31 e6             	xor    r14,r12
  23:	4d 31 e6             	xor    r14,r12
  26:	4d 31 e6             	xor    r14,r12
  29:	4d 31 e6             	xor    r14,r12
  2c:	4d 31 e6             	xor    r14,r12
  2f:	4d 31 e6             	xor    r14,r12
  32:	4d 31 e6             	xor    r14,r12
  35:	4d 31 e6             	xor    r14,r12
  38:	4d 31 e6             	xor    r14,r12
  3b:	4d 31 e6             	xor    r14,r12
  3e:	4d 31 e6             	xor    r14,r12
  41:	4d 31 e6             	xor    r14,r12
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	4d 31 e6             	xor    r14,r12
  4d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 37.46
- APERF: 43.0
- UOPS: 90.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
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;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;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥23

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e6             	xor    r14,r12
   e:	4d 31 e6             	xor    r14,r12
  11:	4d 31 e6             	xor    r14,r12
  14:	4d 31 e6             	xor    r14,r12
  17:	4d 31 e6             	xor    r14,r12
  1a:	4d 31 e6             	xor    r14,r12
  1d:	4d 31 e6             	xor    r14,r12
  20:	4d 31 e6             	xor    r14,r12
  23:	4d 31 e6             	xor    r14,r12
  26:	4d 31 e6             	xor    r14,r12
  29:	4d 31 e6             	xor    r14,r12
  2c:	4d 31 e6             	xor    r14,r12
  2f:	4d 31 e6             	xor    r14,r12
  32:	4d 31 e6             	xor    r14,r12
  35:	4d 31 e6             	xor    r14,r12
  38:	4d 31 e6             	xor    r14,r12
  3b:	4d 31 e6             	xor    r14,r12
  3e:	4d 31 e6             	xor    r14,r12
  41:	4d 31 e6             	xor    r14,r12
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	4d 31 e6             	xor    r14,r12
  4d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 37.46
- APERF: 43.0
- UOPS: 90.0

Latency operand 2 → 1 (address, index register): ≤23

Experiment 1

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥22

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  12:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  16:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  22:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  26:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  32:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  36:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  42:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  46:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  52:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  56:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5e:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 39.44
- APERF: 45.42
- UOPS: 111.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥22

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  12:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  16:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  22:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  26:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  32:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  36:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  42:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  46:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  52:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  56:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5e:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 39.95
- APERF: 45.84
- UOPS: 111.0

Latency operand 2 → 1 (memory): ≤12

Experiment 1

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD XMM13, XMM0, XMM0;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VMOVSS [R14], XMM13;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥24

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 79 54 e8          	vandpd xmm13,xmm0,xmm0
   a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
   f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  14:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  19:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  1e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  23:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  28:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  2d:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  32:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  37:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  3c:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  41:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  46:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  4b:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  50:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  55:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  64:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  69:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  6e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  73:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  78:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  7d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 31.62
- APERF: 36.25
- UOPS: 91.0

Experiment 2

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
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;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;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥24

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
   f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  14:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  19:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  23:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  28:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  32:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  37:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3c:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  41:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  46:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  4b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  50:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  55:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  64:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  69:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  6e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  73:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  78:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  7d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 32.64
- APERF: 37.5
- UOPS: 91.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
Chain instructions: VANDPD XMM13, XMM0, XMM0;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VMOVSS [R14], XMM13;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥24

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 79 54 e8          	vandpd xmm13,xmm0,xmm0
   a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
   f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  14:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  19:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  1e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  23:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  28:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  2d:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  32:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  37:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  3c:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  41:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  46:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  4b:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  50:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  55:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  64:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  69:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  6e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  73:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  78:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  7d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 31.62
- APERF: 36.26
- UOPS: 91.0

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

Instruction: VPGATHERDD YMM0, [R14+YMM14], YMM1
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;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;VPCMPEQD YMM1, YMM1, YMM1
Chain latency: ≥24

Code:

   0:	c4 82 75 90 04 36    	vpgatherdd ymm0,DWORD PTR [r14+ymm14*1],ymm1
   6:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
   f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  14:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  19:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  23:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  28:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  32:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  37:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3c:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  41:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  46:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  4b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  50:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  55:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  64:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  69:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  6e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  73:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  78:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  7d:	c5 f5 76 c9          	vpcmpeqd ymm1,ymm1,ymm1

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM0, [R14+YMM14], YMM1;
VPGATHERDD YMM1, [R14+YMM14], YMM0

Show nanoBench command
Results:
- MPERF: 32.81
- APERF: 37.5
- UOPS: 91.0

Latency operand 2 → 3 (address, base register): ≤4

Experiment 1

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
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;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;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥23

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e6             	xor    r14,r12
   e:	4d 31 e6             	xor    r14,r12
  11:	4d 31 e6             	xor    r14,r12
  14:	4d 31 e6             	xor    r14,r12
  17:	4d 31 e6             	xor    r14,r12
  1a:	4d 31 e6             	xor    r14,r12
  1d:	4d 31 e6             	xor    r14,r12
  20:	4d 31 e6             	xor    r14,r12
  23:	4d 31 e6             	xor    r14,r12
  26:	4d 31 e6             	xor    r14,r12
  29:	4d 31 e6             	xor    r14,r12
  2c:	4d 31 e6             	xor    r14,r12
  2f:	4d 31 e6             	xor    r14,r12
  32:	4d 31 e6             	xor    r14,r12
  35:	4d 31 e6             	xor    r14,r12
  38:	4d 31 e6             	xor    r14,r12
  3b:	4d 31 e6             	xor    r14,r12
  3e:	4d 31 e6             	xor    r14,r12
  41:	4d 31 e6             	xor    r14,r12
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	4d 31 e6             	xor    r14,r12
  4d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 23.46
- APERF: 26.85
- UOPS: 90.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
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;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;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥23

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c4 c1 f9 7e c4       	vmovq  r12,xmm0
   b:	4d 31 e6             	xor    r14,r12
   e:	4d 31 e6             	xor    r14,r12
  11:	4d 31 e6             	xor    r14,r12
  14:	4d 31 e6             	xor    r14,r12
  17:	4d 31 e6             	xor    r14,r12
  1a:	4d 31 e6             	xor    r14,r12
  1d:	4d 31 e6             	xor    r14,r12
  20:	4d 31 e6             	xor    r14,r12
  23:	4d 31 e6             	xor    r14,r12
  26:	4d 31 e6             	xor    r14,r12
  29:	4d 31 e6             	xor    r14,r12
  2c:	4d 31 e6             	xor    r14,r12
  2f:	4d 31 e6             	xor    r14,r12
  32:	4d 31 e6             	xor    r14,r12
  35:	4d 31 e6             	xor    r14,r12
  38:	4d 31 e6             	xor    r14,r12
  3b:	4d 31 e6             	xor    r14,r12
  3e:	4d 31 e6             	xor    r14,r12
  41:	4d 31 e6             	xor    r14,r12
  44:	4d 31 e6             	xor    r14,r12
  47:	4d 31 e6             	xor    r14,r12
  4a:	4d 31 e6             	xor    r14,r12
  4d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 23.46
- APERF: 26.81
- UOPS: 90.0

Latency operand 2 → 3 (address, index register): ≤8

Experiment 1

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥22

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  12:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  16:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  22:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  26:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  32:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  36:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  42:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  46:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  52:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  56:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5e:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 26.35
- APERF: 30.24
- UOPS: 111.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VANDPD YMM14, YMM14, YMM0;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥22

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
   e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  12:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  16:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  1e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  22:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  26:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  2e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  32:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  36:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  3e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  42:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  46:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  4e:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  52:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  56:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5a:	c5 0d 54 f0          	vandpd ymm14,ymm14,ymm0
  5e:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 26.12
- APERF: 29.99
- UOPS: 111.0

Latency operand 2 → 3 (memory): ≤1

Experiment 1

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD XMM13, XMM0, XMM0;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VMOVSS [R14], XMM13;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 79 54 e8          	vandpd xmm13,xmm0,xmm0
   a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
   f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  14:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  19:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  1e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  23:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  28:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  2d:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  32:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  37:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  3c:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  41:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  46:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  4b:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  50:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  55:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  64:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  69:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  6e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  73:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  78:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  7d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 22.1
- APERF: 25.42
- UOPS: 91.0

Experiment 2

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
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;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;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
   f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  14:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  19:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  23:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  28:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  32:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  37:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3c:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  41:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  46:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  4b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  50:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  55:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  64:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  69:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  6e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  73:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  78:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  7d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 21.87
- APERF: 25.03
- UOPS: 91.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD XMM13, XMM0, XMM0;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VANDPD XMM13, XMM13, XMM13;VMOVSS [R14], XMM13;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 79 54 e8          	vandpd xmm13,xmm0,xmm0
   a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
   f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  14:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  19:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  1e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  23:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  28:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  2d:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  32:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  37:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  3c:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  41:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  46:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  4b:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  50:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  55:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5a:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  5f:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  64:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  69:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  6e:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  73:	c4 41 11 54 ed       	vandpd xmm13,xmm13,xmm13
  78:	c4 41 7a 11 2e       	vmovss DWORD PTR [r14],xmm13
  7d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 21.82
- APERF: 25.03
- UOPS: 91.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
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;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;VPCMPEQD YMM0, YMM0, YMM0
Chain latency: ≥24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 79 db e8          	vpand  xmm13,xmm0,xmm0
   a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
   f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  14:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  19:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  1e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  23:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  28:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  2d:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  32:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  37:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  3c:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  41:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  46:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  4b:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  50:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  55:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5a:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  5f:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  64:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  69:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  6e:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  73:	c4 41 11 db ed       	vpand  xmm13,xmm13,xmm13
  78:	c4 41 79 7e 2e       	vmovd  DWORD PTR [r14],xmm13
  7d:	c5 fd 76 c0          	vpcmpeqd ymm0,ymm0,ymm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 21.93
- APERF: 25.0
- UOPS: 91.0

Latency operand 3 → 1: 20

Experiment 1

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM0, YMM1, YMM1;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 f5 54 c1          	vandpd ymm0,ymm1,ymm1
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 39.1
- APERF: 44.73
- UOPS: 115.0

Experiment 2

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPAND YMM0, YMM1, YMM1;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 f5 db c1          	vpand  ymm0,ymm1,ymm1
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 39.38
- APERF: 44.89
- UOPS: 115.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM0, YMM1, YMM1;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 f5 54 c1          	vandpd ymm0,ymm1,ymm1
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 38.93
- APERF: 44.64
- UOPS: 115.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPAND YMM0, YMM1, YMM1;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 f5 db c1          	vpand  ymm0,ymm1,ymm1
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 38.99
- APERF: 44.69
- UOPS: 115.0

Latency operand 3 → 3: 7

Experiment 1

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 1

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
   b:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 17.51
- APERF: 20.0
- UOPS: 69.0

Experiment 2

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 27.2
- APERF: 31.23
- UOPS: 115.0

Experiment 3

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14

Show nanoBench command
Results:
- MPERF: 27.2
- APERF: 31.21
- UOPS: 115.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 1

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
   b:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 17.51
- APERF: 20.0
- UOPS: 69.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VANDPD YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
   e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  12:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  16:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  1e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  22:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  26:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  2e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  32:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  36:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  3e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  42:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  46:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  4e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  52:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  56:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5a:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  5e:	c5 fd 54 c0          	vandpd ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 27.2
- APERF: 31.23
- UOPS: 115.0

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

Instruction: VPGATHERDD YMM1, [R14+YMM14], YMM0
Chain instructions: VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPCMPEQD YMM13, YMM13, YMM13;VPOR YMM0, YMM0, YMM13
Chain latency: 24

Code:

   0:	c4 82 7d 90 0c 36    	vpgatherdd ymm1,DWORD PTR [r14+ymm14*1],ymm0
   6:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  12:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  16:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  1e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  22:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  26:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  2e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  32:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  36:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  3e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  42:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  46:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  4e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  52:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  56:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5a:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  5e:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  62:	c4 41 15 76 ed       	vpcmpeqd ymm13,ymm13,ymm13
  67:	c4 c1 7d eb c5       	vpor   ymm0,ymm0,ymm13

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
VXORPS YMM1, YMM1, YMM1;
VXORPS YMM0, YMM0, YMM0;
VXORPS YMM14, YMM14, YMM14;
VPGATHERDD YMM1, [R14+YMM14], YMM0;
VPGATHERDD YMM0, [R14+YMM14], YMM1

Show nanoBench command
Results:
- MPERF: 27.2
- APERF: 31.2
- UOPS: 115.0

VPGATHERDD (YMM, VSIB_YMM, YMM) - Latency

Operands

Latency operand 1 → 1: 14

Latency operand 1 → 3: 7

Latency operand 2 → 1 (address, base register): ≤20

Latency operand 2 → 1 (address, index register): ≤23

Latency operand 2 → 1 (memory): ≤12

Latency operand 2 → 3 (address, base register): ≤4

Latency operand 2 → 3 (address, index register): ≤8

Latency operand 2 → 3 (memory): ≤1

Latency operand 3 → 1: 20

Latency operand 3 → 3: 7

Latency operand 1 → 1: 14

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 → 3: 7

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 → 1 (address, base register): ≤20

Experiment 1

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

Latency operand 2 → 1 (address, index register): ≤23

Experiment 1

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

Latency operand 2 → 1 (memory): ≤12

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 → 3 (address, base register): ≤4

Experiment 1

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

Latency operand 2 → 3 (address, index register): ≤8

Experiment 1

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

Latency operand 2 → 3 (memory): ≤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: 20

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 → 3: 7

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)