[RFC v2] non-temporal memcpy

[Stephen Hemminger]

On Wed, 27 Jul 2022 20:49:59 +0200
Morten Brørup <mb at smartsharesystems.com> wrote:

> I'm considering rte_memcpy_nt() a performance optimized variant of memcpy(), where the performance gain is less cache pollution. Thus, silent fallback to memcpy() should suffice.


Have you looked at existing Glibc code? last time I checked it was already doing
non-temporal instructions on several architectures.