Anon (no.delete@this.spam.com) on February 23, 2021 3:05 am wrote:
> anon2 (anon.delete@this.anon.com) on February 22, 2021 7:17 pm wrote:
> > I don't think memcpy, memset instructions are bad per se, though I still don't understand
> > the fascination with them, unless their proponents are going to move on to do-daxpy, route-ip-packet,
> > gzip-memory, etc instructions when/if one day Intel's rep ; mov finally doesn't suck. But
> > I digress, the point was not a totally open-ended "ISA does not matter".
>
> memcpy is quite common, easy to implement in hardware and very inefficient to implement in software.

So easy, that it took Intel literally 4 decades to achieve an acceptable* performance of REP MOVSB.
* in some situations