Avx 512 have 64 registers?

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Roman

Joined: 21 Apr 2012
Posts: 1969

Roman 09 Jun 2020, 09:42

I read Avx 512 have zmm 32 registres and xmm 32 registres.
How I understood number of all registres 64.

09 Jun 2020, 09:42

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20689
Location: In your JS exploiting you and your system

revolution 09 Jun 2020, 09:45

The registers overlap.

xmm is the lower part of ymm.

ymm is the lower part of zmm.

The same as ax is the lower part of eax; and eax is the lower part of rax.

09 Jun 2020, 09:45

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