Re: Candidate Linux ABI for Intel AMX and hypothetical new related features

[Len Brown]

On Wed, Apr 14, 2021 at 5:58 AM Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Tue, Apr 13, 2021 at 03:51:50PM -0400, Len Brown wrote:
> > AMX does the type of matrix multiplication that AI algorithms use. In
> > the unlikely event that you or one of the libraries you call are doing
> > the same, then you will be very happy with AMX. Otherwise, you'll
> > probably not use it.
>
> Which sounds to me like AMX is something which should not be enabled
> automatically but explicitly requested. I don't see the majority of the
> processes on the majority of the Linux machines out there doing AI with
> AMX - at least not anytime soon. If it becomes ubiquitous later, we can
> make it automatic then.

I'm pretty sure that the "it isn't my use case of interest, so it
doesn't matter"
line of reasoning has long been established as -EINVAL ;-)