Isambard User Documentation

Isambard is a HPC service provided by GW4 and the UK Met Office. The system is funded by EPSRC and is one of six Tier-2 HPC facilities in the UK.

Isambard is a Cray XC50 system which comprises 10,496 cores, and is one of the worlds first production Arm-based supercomputers. Each of the 164 compute nodes contains two 32-core Cavium ThunderX2 processors running at 2.1 GHz, and has 256 GB of DDR4-2666 memory. The nodes are connected via Cray Aries interconnect with a Dragonfly topology. A Cray Sonexion 3000 storage cabinet provides 480 terabytes of Lustre storage.

Acknowledging Isambard

Research outputs that have made use of Isambard should acknowledge the facility by using the following phrase:

This work used the Isambard UK National Tier-2 HPC Service ( operated by GW4 and the UK Met Office, and funded by EPSRC (EP/P020224/1)

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