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ARCHER 2
General Info
Designers	Cray
Operators	EPCC
Introduction	May 6, 2020
Peak FLOPS	26.35 petaFLOPS
Price	£79,000,000
Succession
ARCHER

ARCHER 2 (Advanced Research Computing High End Resource 2) is the successor to ARCHER, a planned petascale x86 supercomputer intended to serve as the UK's primary academic research supercomputer. ARCHER 2 will begin operations on May 6 2020.

Overview

ARCHER 2 is the planned successor to ARCHER intended to deliver an average of 11x performance improvement over its predecessor. The system is based on Cray Shasta and will comprise 5,848 nodes across 23 Shasta liquid-cooled cabinets.

ARCHER 2
Nodes	5,848
CPU	64 core AMD Rome CPU @ 2.2 GHz
Peak Performance	26.35 petaFLOPS

There are four special compute nodes attached to 16 x AMD GPUs

Filesystems

• 14.5 PiB of Lustre work storage in 4 file systems
• 1.1 PiB all-flash Lustre BurstBuffer file system
• 1+1 PiB home file system in Disaster Recovery configuration

Interconnect

ARCHER 2 utilizes Cray Slingshot with 100Gbps network in a diameter-three dragonfly topology. There are a total of 46 compute groups, 1 I/O group and 1 Service group.

See also

• Edinburgh Parallel Computing Center (EPCC)