By: Simon Farnsworth (simon.delete@this.farnz.org.uk), May 18, 2022 3:03 am
Room: Moderated Discussions
anon1 (anon.delete@this.anon.com) on May 18, 2022 2:44 am wrote:
> --- (---.delete@this.redheron.com) on May 17, 2022 2:57 pm wrote:
> > You think a company that has pulled off three highly successful ISA transitions, (and
> > three separate 32 to 64b transitions) will have difficulty with a sub-ISA transition?
> >
> > OK, then.
> >
>
> Still, it is a bit odd if they introduce SVE2 in the second-ten product, leaving
> M1 in a bit of an odd spot. Unless they pull something unexpected like retroactively
> adding SVE2 support for M1 with some sort of microcode update.
Odd, but not the surprising sort of odd for Apple - see also early Intel Macs being 32 bit only, when they rapidly moved to 64 bit.
Removing NEON in M2 would be surprising, but adding SVE2 would fit with past changes.
> --- (---.delete@this.redheron.com) on May 17, 2022 2:57 pm wrote:
> > You think a company that has pulled off three highly successful ISA transitions, (and
> > three separate 32 to 64b transitions) will have difficulty with a sub-ISA transition?
> >
> > OK, then.
> >
>
> Still, it is a bit odd if they introduce SVE2 in the second-ten product, leaving
> M1 in a bit of an odd spot. Unless they pull something unexpected like retroactively
> adding SVE2 support for M1 with some sort of microcode update.
Odd, but not the surprising sort of odd for Apple - see also early Intel Macs being 32 bit only, when they rapidly moved to 64 bit.
Removing NEON in M2 would be surprising, but adding SVE2 would fit with past changes.