Apologies in advance if this is laughable naïveté, but would a possible solution be to
have a different repo for packages compiled against the latest-n-greatest architectures,
and packagers could choose to include their packages in there, similar to EPEL?
Packages in this hypothetical repo could be marked to replace existing ones via %obsoletes
or some other mechanism; this would give the user the control to decide if he or she wants
to switch to a “higher-performant” version and not have to rely on HW checks or
telemetry.
Just a thought.
On 15 Jun 2021, at 16:34, Neal Gompa wrote:
> Hey all,
>
> Earlier this week, I was helping with processing features for openSUSE
> Leap 15.4[1] and I discovered that they're planning on introducing
> x86_64-v2 to openSUSE soon. The reference for this change was that
> RHEL 9 is going to use x86_64-v2[2]. Additionally, other distributions
> have been considering bumping up to v2 or v3[3][4].
>
> Some cursory examination of the new x86_64 sublevels seem to indicate
> that x86_64-v2 goes back to roughly 2007~2008, merely cutting off the
> first couple of generations of x86_64 CPUs from Intel and AMD. I
> personally don't have any computers that don't have support for
> x86_64-v2 anymore.
>
> Does anyone know if anyone is planning to propose this for Fedora
> anytime soon, either as an addon architecture (like what Arch is
> doing) or an upgrade of our x86_64 baseline like RHEL is doing?
>
> [1]:
https://en.opensuse.org/Feature_Planning_15.4
> [2]:
https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise...
> [3]:
https://ml.mageia.org/l/arc/dev/2021-02/msg00583.html
> [4]:
https://www.phoronix.com/scan.php?page=news_item&px=Arch-Linux-x86-64...
>
> --
> 真実はいつも一つ!/ Always, there's only one truth!
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