[gentoo-cluster] Stats on HPC clusters running Gentoo

[Andrew Savchenko <bircoph@gentoo.org>]

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Hi Alexxy and all!

While preparing Gentoo flyer[1,2] on upcoming FOSDEM event it was
suggested to include some words about Gentoo in HPC. So I'm asking
community about recent stats of using Gentoo on HPC clusters.

I ran several clusters at a university on Gentoo, but they are weak
by modern standards (<10 TFlops CPU, no GPU for the best one, though
with IB QDR interconnect), so I'm reluctant to add them in the
flyer. If someone can provide us with better and actual numbers,
this will be nice.

IIRC Alexxy is running some HPC setups. Are they on Gentoo? If yes,
please provide some stats (Flops, number of cores, nodes, storage,
interconnect and so on).

If someone can provide any other relevant info, we'll be grateful.

Years ago there was a Gentoo cluster project page with list of
active setups, but I can't find it any more and it is likely to be
outdated anyway.

[1] https://download.sumptuouscapital.com/gentoo/fosdem2018/gentoo-fosdem2018-flyer.pdf
[2] git://git.sumptuouscapital.com/gentoo/pr-fosdem2018-flyer.git

Best regards,
Andrew Savchenko

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