Re: hwloc and openblas backports for AMD Zen
Hi Frederik,
I think backporting openblas is possible, and it won't require much
work. Recently I've worked on some similar packages. intel-mkl has
been backported to stable but I suspect whether MKL's performance
is guaranteed on AMD CPUs. Another new BLAS library called BLIS
is waiting in the NEW queue, which ships AMD Zen CPU support.
I CC'ed Sébastien in case he didn't subscribe to the backports list.
Science team is also CC'ed because we're talking about BLAS.
On Tue, Dec 18, 2018 at 06:48:23PM +0100, Frederik Himpe wrote:
> Hi,
>
> I was wondering whether it would be possible to backport hwloc and openblas
> to Stretch. Both need a newer version than the one available in Stretch to
> have full AMD Zen support. Support for AMD Zen was added in hwloc 1.11.6
> with further fixes in 1.11.9:
> https://github.com/open-mpi/hwloc/blob/v1.11/NEWS
>
> Openblas had initial AMD Ryzen support in 0.2.20, which was further extended
> and fixed in version 0.3.2 and 0.3.4:
> https://github.com/xianyi/OpenBLAS/releases
>
> It does not appear to be hard to rebuild the Buster packages myself, but
> this might be interesting too for other people to have in backports.
>
> Regards,
> --
> Frederik Himpe <fhimpe@ai.vub.ac.be>
> Vrije Universiteit Brussel
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