VEXTRACTF64X4 (YMM, ZMM, I8) - Latency

Operands

Operand 1 (w): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15, YMM16, YMM17, YMM18, YMM19, YMM20, YMM21, YMM22, YMM23, YMM24, YMM25, YMM26, YMM27, YMM28, YMM29, YMM30, YMM31)
Operand 2 (r): Register (ZMM0, ZMM1, ZMM2, ZMM3, ZMM4, ZMM5, ZMM6, ZMM7, ZMM8, ZMM9, ZMM10, ZMM11, ZMM12, ZMM13, ZMM14, ZMM15, ZMM16, ZMM17, ZMM18, ZMM19, ZMM20, ZMM21, ZMM22, ZMM23, ZMM24, ZMM25, ZMM26, ZMM27, ZMM28, ZMM29, ZMM30, ZMM31)
Operand 3 (r): 8-bit immediate

Latency operand 2 → 1: 3

Latency operand 2 → 1: 3

Experiment 1

Instruction: VEXTRACTF64X4 YMM1, ZMM0, 2
Chain instructions: VSHUFPD YMM0, YMM1, YMM1, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0;VSHUFPD YMM0, YMM0, YMM0, 0
Chain latency: 5

Code:

   0:	62 f3 fd 48 1b c1 02 	vextractf64x4 ymm1,zmm0,0x2
   7:	c5 f5 c6 c1 00       	vshufpd ymm0,ymm1,ymm1,0x0
   c:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  11:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  16:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0
  1b:	c5 fd c6 c0 00       	vshufpd ymm0,ymm0,ymm0,0x0

Init:

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

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 8.0
- Reference cycles: 7.3
- UOPS_EXECUTED.THREAD: 6.0

Experiment 2

Instruction: VEXTRACTF64X4 YMM1, ZMM0, 2
Chain instructions: VPAND YMM0, YMM1, YMM1;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0;VPAND YMM0, YMM0, YMM0
Chain latency: 5

Code:

   0:	62 f3 fd 48 1b c1 02 	vextractf64x4 ymm1,zmm0,0x2
   7:	c5 f5 db c1          	vpand  ymm0,ymm1,ymm1
   b:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
   f:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  13:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0
  17:	c5 fd db c0          	vpand  ymm0,ymm0,ymm0

Init:

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

Show nanoBench command
Results:
- Instructions retired: 6.0
- Core cycles: 8.0
- Reference cycles: 8.03
- UOPS_EXECUTED.THREAD: 6.0