VADDPD (ZMM, K, ZMM, ZMM)

Experiment 1

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 2.59
- APERF: 3.0
- UOPS: 1.0

Experiment 2

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.54
- APERF: 10.0
- UOPS: 8.0

Experiment 3

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
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
Chain latency: 7

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.46
- APERF: 10.0
- UOPS: 8.0

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

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 2.43
- APERF: 3.0
- UOPS: 1.0

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

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.7
- APERF: 10.0
- UOPS: 8.0

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

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
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
Chain latency: 7

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.7
- APERF: 10.0
- UOPS: 8.0

Latency operand 2 → 1: 3

Experiment 1

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instruction: VPMOVQ2M K1, ZMM0
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 6.82
- APERF: 8.0
- UOPS: 2.0

Experiment 2 (with dependency-breaking instructions)

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VPMOVQ2M K1, ZMM0;;VMOVUPD ZMM0, ZMM15
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f2 fe 48 39 c8    	vpmovq2m k1,zmm0
   c:	62 d1 fd 48 10 c7    	vmovupd zmm0,zmm15

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 6.97
- APERF: 8.0
- UOPS: 3.0

Experiment 3

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instruction: VPTESTNMQ K1 {K1}, ZMM0, ZMM0
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 6.82
- APERF: 8.0
- UOPS: 2.0

Experiment 4 (with dependency-breaking instructions)

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VPTESTNMQ K1 {K1}, ZMM0, ZMM0;;VMOVUPD ZMM0, ZMM15
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f2 fe 49 27 c8    	vptestnmq k1{k1},zmm0,zmm0
   c:	62 d1 fd 48 10 c7    	vmovupd zmm0,zmm15

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 6.89
- APERF: 8.0
- UOPS: 3.0

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

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instruction: VPMOVQ2M K1, ZMM0
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 7.13
- APERF: 8.0
- UOPS: 2.0

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VPMOVQ2M K1, ZMM0;;VMOVUPD ZMM0, ZMM15
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f2 fe 48 39 c8    	vpmovq2m k1,zmm0
   c:	62 d1 fd 48 10 c7    	vmovupd zmm0,zmm15

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 6.97
- APERF: 8.01
- UOPS: 3.0

Experiment 7 (source registers initialized by an instruction of the same kind)

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instruction: VPTESTNMQ K1 {K1}, ZMM0, ZMM0
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 6.82
- APERF: 8.0
- UOPS: 2.0

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM0 {K1}, ZMM1, ZMM2
Chain instructions: VPTESTNMQ K1 {K1}, ZMM0, ZMM0;;VMOVUPD ZMM0, ZMM15
Chain latency: 5

Code:

   0:	62 f1 f5 49 58 c2    	vaddpd zmm0{k1},zmm1,zmm2
   6:	62 f2 fe 49 27 c8    	vptestnmq k1{k1},zmm0,zmm0
   c:	62 d1 fd 48 10 c7    	vmovupd zmm0,zmm15

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];
VMOVUPD ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 6.97
- APERF: 8.03
- UOPS: 3.0

Latency operand 3 → 1: 3

Experiment 1

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.77
- APERF: 10.0
- UOPS: 8.0

Experiment 2 (with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.7
- APERF: 10.0
- UOPS: 9.0

Experiment 3

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.46
- APERF: 10.0
- UOPS: 8.0

Experiment 4 (with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14]

Show nanoBench command
Results:
- MPERF: 8.62
- APERF: 10.0
- UOPS: 9.0

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

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.7
- APERF: 10.0
- UOPS: 8.0

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.77
- APERF: 10.0
- UOPS: 9.0

Experiment 7 (source registers initialized by an instruction of the same kind)

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.77
- APERF: 10.0
- UOPS: 8.0

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM0, ZMM2
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 fd 49 58 ca    	vaddpd zmm1{k1},zmm0,zmm2
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM0, [R14];
VMOVUPD ZMM2, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM0  {K1}, ZMM1, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1

Show nanoBench command
Results:
- MPERF: 8.54
- APERF: 10.0
- UOPS: 9.0

Latency operand 4 → 1: 3

Experiment 1

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- MPERF: 8.46
- APERF: 10.0
- UOPS: 8.0

Experiment 2 (with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- MPERF: 8.62
- APERF: 10.0
- UOPS: 9.0

Experiment 3

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- MPERF: 8.54
- APERF: 10.0
- UOPS: 8.0

Experiment 4 (with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14]

Show nanoBench command
Results:
- MPERF: 8.62
- APERF: 10.0
- UOPS: 9.0

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

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1;
VADDPD ZMM0  {K1}, ZMM1, ZMM2

Show nanoBench command
Results:
- MPERF: 8.85
- APERF: 10.0
- UOPS: 8.0

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VANDPD ZMM0, ZMM1, ZMM1;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;VANDPD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 f5 48 54 c1    	vandpd zmm0,zmm1,zmm1
   c:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  12:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  18:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  1e:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  24:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  2a:	62 f1 fd 48 54 c0    	vandpd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1;
VADDPD ZMM0  {K1}, ZMM1, ZMM2

Show nanoBench command
Results:
- MPERF: 8.54
- APERF: 10.01
- UOPS: 9.0

Experiment 7 (source registers initialized by an instruction of the same kind)

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1;
VADDPD ZMM0  {K1}, ZMM1, ZMM2

Show nanoBench command
Results:
- MPERF: 8.62
- APERF: 10.0
- UOPS: 8.0

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Instruction: VADDPD ZMM1 {K1}, ZMM2, ZMM0
Chain instructions: VPANDD ZMM0, ZMM1, ZMM1;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;VPANDD ZMM0, ZMM0, ZMM0;;VMOVUPD ZMM1, ZMM15
Chain latency: 7

Code:

   0:	62 f1 ed 49 58 c8    	vaddpd zmm1{k1},zmm2,zmm0
   6:	62 f1 75 48 db c1    	vpandd zmm0,zmm1,zmm1
   c:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  12:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  18:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  1e:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  24:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  2a:	62 f1 7d 48 db c0    	vpandd zmm0,zmm0,zmm0
  30:	62 d1 fd 48 10 cf    	vmovupd zmm1,zmm15

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 ZMM1, [R14];
VMOVUPD ZMM2, [R14];
VMOVUPD ZMM0, [R14];
VADDPD ZMM1  {K1}, ZMM0, ZMM2;
VADDPD ZMM2  {K1}, ZMM0, ZMM1;
VADDPD ZMM0  {K1}, ZMM1, ZMM2

Show nanoBench command
Results:
- MPERF: 8.54
- APERF: 10.01
- UOPS: 9.0

VADDPD (ZMM, K, ZMM, ZMM) - Latency

Operands

Latency operand 1 → 1: 3

Latency operand 2 → 1: 3

Latency operand 3 → 1: 3

Latency operand 4 → 1: 3

Latency operand 1 → 1: 3

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 2 → 1: 3

Experiment 1

Experiment 2 (with dependency-breaking instructions)

Experiment 3

Experiment 4 (with dependency-breaking instructions)

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

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Experiment 7 (source registers initialized by an instruction of the same kind)

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Latency operand 3 → 1: 3

Experiment 1

Experiment 2 (with dependency-breaking instructions)

Experiment 3

Experiment 4 (with dependency-breaking instructions)

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

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Experiment 7 (source registers initialized by an instruction of the same kind)

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Latency operand 4 → 1: 3

Experiment 1

Experiment 2 (with dependency-breaking instructions)

Experiment 3

Experiment 4 (with dependency-breaking instructions)

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

Experiment 6 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)

Experiment 7 (source registers initialized by an instruction of the same kind)

Experiment 8 (source registers initialized by an instruction of the same kind, with dependency-breaking instructions)