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Details of Grant 

EPSRC Reference: EP/T022078/1
Title: GW4 Tier-2 HPC Centre for Advanced Architectures
Principal Investigator: McIntosh-Smith, Professor SN
Other Investigators:
Mulholland, Professor AJ Tabor, Professor G Acreman, Dr DM
Parker, Professor SC Davenport, Professor JH Guest, Professor MF
Researcher Co-Investigators:
Project Partners:
Department: Computer Science
Organisation: University of Bristol
Scheme: Standard Research - NR1
Starts: 01 February 2020 Ends: 31 January 2023 Value (£): 4,108,144
EPSRC Research Topic Classifications:
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:
Panel DatePanel NameOutcome
28 Oct 2019 Tier 2 HPC Interview Panel 2019 Announced
Summary on Grant Application Form
This proposal, led by Bristol, is from the Consortium behind the successful Isambard Tier-2 HPC service [1]: the GW4 Alliance of Bath, Bristol, Cardiff and Exeter, in partnership with Cray and the Met Office. Isambard delivered the world's first production, Arm-based HPC service, creating significant impact for the world-wide HPC community in the process. The Isambard 2 project aims to build on this success, adding the next generation of exciting, Exascale-enabling, Arm-based technologies (Fujitsu's A64fx), while significantly expanding and upgrading the current service to meet growing demand. The A64fx CPU is generating excitement because it delivers memory bandwidth and floating point capability that is more like a GPU than a CPU (approximately 1 TeraByte/s and 3 TeraFLOP/s double precision, respectively). Providing access to these transformational technologies in parallel with an expanded Arm-based production system as a national service would be extremely advantageous to the UK's HPC community, supporting the porting and optimising of codes for future Exascale systems (the Fugaku system at RIKEN in Japan is just one example known to be based on A64fx). The Isambard 2 system will also provide one of the world's most comprehensive Multi Architecture Comparison System (MACS), significantly expanding the successful Isambard 1 MACS. The ability to compare next generation technologies with a constantly updated set of best-in-class CPUs and GPUs is a crucial part of any scientifically rigorous architectural evaluation. Being a Cray system, we will continue to uniquely offer their class-leading software toolchain to the Tier-2 community, a crucial capability to enable upward mobility from Tier-3 through Tier-2 to Tier-1.

[1] https://gw4-isambard.github.io/docs/
Key Findings
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Further Information:  
Organisation Website: http://www.bris.ac.uk