[Bug 1357724] Review Request: qcint - general GTO integrals for quantum chemistry

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https://bugzilla.redhat.com/show_bug.cgi?id=1357724



--- Comment #15 from Dave Love <d.love@xxxxxxxxxxxxxxx> ---
(In reply to Susi Lehtola from comment #14)
> Yeah, so the default ATLAS package on x86_64 is non-SSE3, but there's a SSE3
> variant available, as well.

Yes, and it's the ld.so.conf mechanism I think is relevant.

> Packaging both within the same srpm is not allowed per the packaging
> guidelines, as there needs to be a spec per tarball.

I don't see where it says that, though you can only have one URL.

> I believe the ABIs are shared, though.

Apologies, I was confusing libcint and libint, which already has two versions.
[If they're from the same place, I'd have thought it would be more of an
argument for bundling source with libcint, but I'm not reviewing it.]

Obviously I should stick to pointing out the way hardware-specific versions
have
been handled.  That's relevant for those of us who have to support
such things.  The way ATLAS does it at least can support heterogeneous HPC
systems using a single image on stateless nodes, where the image system
can make node-dependent mods to the configuration files.  [Not that you should
use ATLAS on x86, given OpenBLAS, and you could perhaps handle that HPC case
differently.]

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