81920 CPU Cores per Rack with AMD EPYC Venice at HPE Discover 2026

kksec about 3 hours ago 3 commentsRead Article on servethehome.com

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ksec•about 3 hours ago

No more "Does it Scale" question. What ever web scaling issues we have, throw in a few rack and call it a day. :)

And these are Real CPU Core, i.e there are 163,840 vCPU per Rack.

Oh this is fun!

sukuva•about 2 hours ago

The question of "Does it scale" is just overlooked in this case. The answer is always "just throw more expensive, powerful hardware at it". I always get curious about the resource utilization of such monster server racks.

magicalhippo•about 3 hours ago

Imagine a Beowulf cluster of these!

As I recall the local cluster at the uni I went to was like 3000 cores, some 20 years ago. Each night the entire cluster was reserved for weather predictions.

The one that replaced it in 2012 was 10000 cores[1]. Pretty wild number, this new rack.

Does one still use MPI for programming these or are there better ways now?

[1]: https://no.wikipedia.org/wiki/Abel_(superdatamaskin)