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The UK Atomic Weapons Establishment (AWE) has selected Cray’s Shasta supercomputer to power the organisation’s nuclear simulations and other science projects supporting UK nuclear deterrence.

The seven petaflop supercomputer is named Vulcan and fitted with AMD’s Epyc 7542 processors, Cray Slingshot interconnect and ClusterStor Lustre storage. 

AWE said Cray’s HPC beast was selected because of its ability to run mixed workloads and applications at a low total cost of ownership (TCO).

HPE’s Cray has been awarded a £79m contract to supply the hardware for the UK’s next national supercomputer, ARCHER2, the UK Research and Innovation Institute (UKRI) has announced.

According to the institute, the 28-petaFLOPS supercomputer will be capable of eleven times the science throughout of its predecessor, ARCHER, which will end operation in February 2020. ARCHER has 118,000 CPU cores within racks of Intel Xeon E5 v2 processors.