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European Supercomputer Shines With Energy Efficiency eeNews Europe

Christoph Hammerschmidt
June 27, 2018

As Europe seeks to compete globally in developing innovative supercomputer architectures, the Julich Supercomputing Center (JSC) in Germany has launched JUWELS (Julich Wizard for European Leadership Science), marking significant progress in a new generation of flexible, modular supercomputers. JUWELS ranked 23rd on the most recent TOP500 supercomputer list, making it the fastest German system. JSC’s Thomas Lippert believes the modular design is critical to an affordable and energy-efficient technology that can aid forthcoming exascale systems. Lippert’s adaptable design concept, known as “Smart Exascale,” provides for a supercomputer with several specialized modules that can be dynamically and flexibly combined via software. The cluster module’s Intel Xeon 24-core Skylake CPUs allow for a theoretical peak performance of up to 12 petaflops, which equals the approximate computing power of 60,000 PCs. The module has extremely energy-efficient hot water cooling, allowing it to cool the majority of the waste heat with hot water directly with the outside air without additional cooling generators. Next year, JUWELS will receive a booster module for massively parallel applications that will multiply computing power. The cluster module reached a computing speed of 6.2 petaflops in initial test runs based on the Linpack benchmark.

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