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Bristol and Cambridge to host 2024 AI supercomputers | Computer Weekly – latest news

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Bristol and Cambridge are to become home to two of the UK’s newest and most powerful supercomputers – Isambard-AI and Dawn.

Earlier this year, the government announced an investment of £225m to create the UK’s most powerful artificial intelligence (AI) supercomputer with the University of Bristol and Hewlett Packard Enterprise (HPE). The funding is part of a £300m package to create a national Artificial Intelligence Research Resource (AIRR) for the country, which was announced at the government’s AI Safety Summit at Bletchley Park this week.

This supercomputer, called Isambard-AI, will connect with another new supercomputer cluster in Cambridge, called Dawn, which is being co-designed by Intel, Dell Technologies and the University of Cambridge.

Dawn will be hosted at the Cambridge Open ZettaScale Lab. According to Dell, it will be the most powerful AI supercomputing cloud and will run scientific OpenStack cloud software developed with UK SME StackHPC.

Dell’s system is based on Dell PowerEdge XE9640 servers, 4thGen Intel Xeon Scalable processors and Intel Data Center GPU Max Series accelerators.. Dell said, thanks to liquid cooling and versatile configuration, the server system is well-equipped to handle the demands of AI and HPC workloads. According to Dell, direct liquid cooling technology provides  more efficient and cost-effective cooling than traditional air-cooled systems. On the software-side, the HPC uses Scientific OpenStack from UK SME StackHPC, which provides a fully AI- and simulation-optimised cloud supercomputing software environment. This is combined with the oneAPI open software ecosystem and optimised frameworks that help developers speed up AI and HPC workloads and enhance code portability across multiple hardware architectures.

Paul Calleja, director of research computing services at the University of Cambridge, said: “Dawn Phase 1 represents a huge step forward in AI and simulation capability for the UK, deployed and ready to use now. The system plays an important role within a larger context, where this co-design activity aims to deliver a Phase 2 supercomputer in 2024 which will boast 10 times the level of performance. If taken forward, Dawn Phase 2 would significantly boost the UK’s AI capability and continue this successful industry partnership.”
The system from HP will be configured with 5,448 Nvidia GH200 Grace Hopper Superchips, which combine Nvidia’s ARM-based Grace CPU with a Hopper-based GPU optimised for power efficiency and scale. The hardware uses HPE Slingshot 11 interconnect and nearly 25PB (petabytes) of storage using the Cray Clusterstor E1000 optimised for AI workflows.

Like the Dell hardware, Isambard-AI will also feature direct liquid-cooling capabilities as part of the HPE Cray EX supercomputer design to improve energy efficiency and overall carbon footprint impact.  HPE said the system will be hosted in a self-cooled, self-contained data centre, using the HPE Performance Optimised Data Center (POD), and will be situated at the National Composites Centre (NCC), based at the Bristol and Bath Science Park.

HPE is also collaborating with the University of Bristol on a heat reuse model, extracting waste heat from the Isambard-AI system to use as renewable energy to heat local buildings, supporting the Net Zero carbon efficiency targets for 2030/2040 as mandated by the UK Government.

“Collaborations like the one between the University of Cambridge, Dell Technologies and Intel, alongside strong inward investment, are vital if we want compute to unlock the high-growth AI potential of the UK It is paramount that the government invests in the right technologies and infrastructure to ensure the UK leads in AI and exascale-class simulation capability. It’s also important to embrace the full spectrum of the technology ecosystem, including GPU diversity, to ensure customers can tackle the growing demands of generative AI, industrial simulation modelling and ground-breaking scientific research,” said Tariq Hussain, head of UK. Public Sector, Dell Technologies.



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