VCVTPD2PS (XMM, YMM) - Latency

Operands

Operand 1 (w): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)
Operand 2 (r): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15)

Latency operand 2 → 1: 6

Latency operand 2 → 1: 6

Experiment 1

Instruction: VCVTPD2PS XMM1, YMM0
Chain instructions: VANDPD XMM0, XMM1, XMM1;VANDPD XMM0, XMM0, XMM0;VANDPD XMM0, XMM0, XMM0;VANDPD XMM0, XMM0, XMM0;VANDPD XMM0, XMM0, XMM0
Chain latency: 5

Code:

   0:	c5 fd 5a c8          	vcvtpd2ps xmm1,ymm0
   4:	c5 f1 54 c1          	vandpd xmm0,xmm1,xmm1
   8:	c5 f9 54 c0          	vandpd xmm0,xmm0,xmm0
   c:	c5 f9 54 c0          	vandpd xmm0,xmm0,xmm0
  10:	c5 f9 54 c0          	vandpd xmm0,xmm0,xmm0
  14:	c5 f9 54 c0          	vandpd xmm0,xmm0,xmm0

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
MOV RAX, 0x4000000040000000;
MOV [R14+0], RAX;
MOV [R14+8], RAX;
MOV [R14+16], RAX;
MOV [R14+24], RAX;
VMOVUPD YMM0, [R14]

Show nanoBench command
Results:
- MPERF: 9.48
- APERF: 11.0
- UOPS: 7.0