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AMD to Power Atos Supercomputer at ECMWF

Today Atos announced an €80 million contract with the European Centre for Medium-Range Weather Forecasts (ECMWF) to supply its for a BullSequana XH2000 supercomputer. Powered by AMD EPYC 7742 processors, the new system will be the most powerful meteorological supercomputers in the world.

The Atos supercomputer will allow ECMWF to run its world-wide 15-day ensemble prediction at a higher resolution of about 10km, reliably predicting the occurrence and intensity of extreme weather events ahead of time. The system is scheduled for delivery in Bologna, Italy this year and will support hundreds of researchers from over 30 countries across Europe.

Weather forecasting is computationally intensive and demands the best in high performance computing power” said Dr Florence Rabier, Director General at ECMWF. “This is one of the main reasons we chose Atos. We trust in its ability to supply and integrate the best technologies available, but also in its proven expertise to deliver effective solutions to the weather forecasting community across Europe. Thanks to this investment, we will now be able to run higher resolution forecasts in under an hour, meaning better information will be shared with our Member States even faster to enable much improved weather forecasts as they combine this enhanced information with their own data and predictions. As governments and society continue to grapple with the impacts of increasingly severe weather, we are also proud to be relying on a supercomputer designed to maximise energy efficiency.”

Once operational, the new supercomputer will allow ECMWF to run its flagship world-wide 15-day ensemble prediction at a higher resolution of around 10km, offering significant improvement in the ability to forecast severe weather events.

We’re really delighted to have been selected by ECMWF for this major contract,” said Sophie Proust, Atos Group CTO. “This is testament not only to our solid expertise and operational excellence needed to install, manage and run such a large system, but also to the best-of-breed technology which we are supplying, with our BullSequana XH2000 and our partners AMD, Mellanox and DDN. This new solution will optimize ECMWF’s current workflow to enable it to deliver vastly improved numerical weather predictions. Most importantly though, this is a long-term collaboration, one in which we will work closely with ECMWF to explore new technologies in order to be prepared for next-generation applications.“

Günther Tschabuschnig, Convener of the ECMWF Technical Advisory Committee which reviewed ECMWF’s HPC selection said: “One cannot overestimate the importance of accurate weather prediction. This has never been truer than in our current age, as the effects of climate change and severe weather are increasingly felt. Individuals and societies need ever greater amounts of information to ensure they are prepared. Atos brings an impressive track record of success in this field and its background in delivering advanced supercomputing solutions to some of the world’s best meteorological services will ensure we are placed on a firm footing for success.“

Atos has successfully deployed BullSequana systems at many leading European supercomputing centres that either undertake production or research work into weather forecasting, earth systems and climate modelling including Meteo France, the German Climate Computing Centre, the Spanish AEMet, Royal Netherlands Meteorological Institute and Plymouth Marine Laboratory in the UK. Atos is also a partner of the ECMWF and other national weather centres in the ESCAPE2 and ESIWACE2 European projects developing next generation weather models which contribute to informing the future of atmospheric sciences.

Adrian Gregory, Group SEVP, CEO UK&I and Global Head of Atos Syntel said: “We believe that our BullSequana supercomputing technology, people and collaborative approach will reinforce the ECMWF’s reputation as a world class research and operational centre and that this partnership will stand as a flagship model for industry-meteorological collaboration.”

The Atos system will be hosted in the new ECMWF data centre currently being developed by the Italian Government and the Regione Emilia Romagna in Bologna, Italy. It is expected to be fitted in 2020 and to become fully operational in 2021.

In related news, ECMWF will host a workshop on high-performance computing in meteorology in Bologna, Italy, September 14-18, 2020. Registration is now open.

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