From ETH: “Piz Daint is a world leader”

ETH Zurich bloc

ETH Zürich

19.06.2017
Anna Maltsev
Felix Würsten

Cray Piz Daint supercomputer of the Swiss National Supercomputing Center (CSCS)

After an extensive hardware upgrade at the end of last year, the CSCS supercomputer Piz Daint is now the most powerful mainframe computer outside Asia. With a peak performance in excess of 20 petaflops, it will enable pioneering research in Switzerland and Europe.

The Piz Daint supercomputer at the Swiss National Supercomputing Centre (CSCS) has been the most powerful supercomputer in Europe since November 2013. An extensive hardware upgrade at the end of 2016 has now more than tripled its performance. Piz Daint is now the fastest computer outside Asia, with a theoretical peak performance of 25.3 petaflops, as confirmed today at the international ISC High Performance event in Frankfurt. Thanks to its innovative architecture, Piz Daint is also one of the most energy-efficient mainframe computer in the world.

Strategic approach

The upgraded supercomputer is an energy-efficient hybrid system consisting of conventional processors (CPUs) and graphics processors (GPUs). The sophisticated system, based on a Cray XC40/XC50, is the result of a long-standing collaboration between CSCS, various hardware manufacturers, computer scientists, mathematicians and other researchers from different disciplines. This successful collaboration was initiated by the national Strategic Plan for High Performance Computing and Networking (HPCN Strategy) that was launched by the ETH Board on behalf of the federal government in 2009.

Support for research

Supercomputers are now an integral part of research: in addition to theory and experiments, simulations, data analyses and visualisations now also make key contributions to most research areas. Powerful systems such as Piz Daint are crucial for high-resolution computer-intensive simulations, such as those used in climate or material research, or in the life sciences.

In data science, which has an increasingly important role and is one of ETH Zürich’s main focus areas, supercomputers enable the analysis of enormous amounts of data. This is an area in which Piz Daint is particularly strong: it is able to analyse the resulting data while the calculations are still ongoing.

Important for international cooperation

Piz Daint is also an important element in international research collaborations: as of this spring, CSCS with Piz Daint is one of the main providers of computing power in the Partnership for Advanced Computing in Europe (PRACE). This commitment then benefits Swiss researchers in turn, as CSCS’s participation in PRACE gives them access to various other European supercomputers.

See the full article here .

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