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UK funding (£3,000,000): GW4 Tier 2 HPC Centre for Advanced Architectures Ukri1 Oct 2016 UK Research and Innovation, United Kingdom
Overview
Text
GW4 Tier 2 HPC Centre for Advanced Architectures
| Abstract | This proposal by a consortium of the GW4 Alliance of Bristol, Bath, Cardiff and Exeter, in partnership with Cray and the Met Office, is to provide a national 64-bit ARM-based HPC service. The system will be one of the world's first to be based on Broadcom's Vulcan server-class chip. Details of this device are still under NDA, but the Vulcan CPU is generating excitement because it trades off much greater provision of memory bandwidth for less emphasis on peak FLOP/s, the former being more important for most scientific codes. Providing access to such a machine as a national service should therefore enable the UK's HPC community to quantify the benefit of memory bandwidth focused CPUs, thus informing future system procurements from Tier 1 to Tier 3. If this greater focus on memory bandwidth does, as expected, result in greater performance and science throughput, then ARM64-based machines, such as the Cray XC Scout system that we are proposing in this bid, will be genuine contenders for Tier 1 and Tier 3 production systems from 2017. In addition to our goal of providing one of the world's first ARM64 production HPC systems, this proposal will also provide a service to enable algorithm development and the porting and optimisation of scientific codes in readiness for ARM64 machines. This algorithm and software effort is a crucial part of any architectural evaluation, as rigorous architecture-to-architecture comparisons are only possible when optimisation levels across the architectures are similar. There is already tremendous interest in evaluating ARM64 within the HPC community, with multiple ARM-based HPC projects underway around the world. Our proposed machine will be able to run most existing codes "out of the box", supporting the most common parallel programming languages, including OpenMP and MPI. Thus most users should be able to begin to evaluate the service with minimal effort, and so we expect demand to be strong. The system will be run as a national facility, with open calls for computing time allocated via a lightweight resource allocation process. A top-level Consortium Management Board will determine the policy for resource allocation between the different application areas as well as fundamental computational science research into next generation parallel algorithms. Operating expenses will be covered by the consortium and its partners. Systems administrator and power costs will be split across the partners, while a group of expert research software engineers will help the community develop new algorithms, port codes and rigorously evaluate this important new architecture. |
| Category | Research Grant |
| Reference | EP/P020224/1 |
| Status | Closed |
| Funded period start | 01/10/2016 |
| Funded period end | 30/09/2021 |
| Funded value | £3,000,000.00 |
| Source | https://gtr.ukri.org/projects?ref=EP%2FP020224%2F1 |
Participating Organisations
| University of Bristol | |
| University of Oxford | |
| University of Cambridge | |
| University of Warwick | |
| Rolls Royce Group Plc | |
| UNIVERSITY OF EDINBURGH | |
| Zenotech | |
| ARM LIMITED | |
| Centre Modelling and Simulation (CFMS) |
The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: University of Bristol, Bristol.
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