https://www.theregister.co.uk/2017/06/20/amd_epyc_launch/
Interesting to see that these are being promoted as single socket systems. For a long time the 'sweet spot' for HPC has been the dual socket Xeons. I would speculate about single socket AMD systems, with a smaller form facotr motherboard, maybe with onboard Infiniband. Put a lot of these cards in a chassis and boot them disklessly and you get a good amoutn of compute power. Also regarding compute power, it would be interesting to see a comparison of a single socket of these versus Xeon Phi rather than -v4 or -v5 Xeon. The encrypted RAM modes are interesting, however I can't see any use case for HPC. Unless you are running a cloudy cluster where your customers are VERY concerned about security. Of course there are such customers!
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