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last mo.

Jupiter Supercomputer Claims Europe’s Top Spot Ahead of Exascale Debut

Built with Nvidia Grace Hopper accelerators, the system highlights Europe’s push to close the gap with U.S. exascale capabilities.

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Overview

  • Jupiter reached 793.4 petaflops in the June Top500 ranking, placing it fourth globally and making it the fastest supercomputer in Europe.
  • The system’s full configuration of 24,000 Nvidia GH200 Grace Hopper modules is scheduled for July 2025, when it is expected to surpass one exaflop of performance.
  • Its JEDI booster module remains the Green500 leader at 72.73 gigaflops per watt, marking Jupiter as one of the world’s most energy-efficient supercomputers.
  • Germany now hosts 43 of the world’s top 500 supercomputers, pushing its combined computing power beyond 1.2 exaflops.
  • A successor project, Blue Lion at the Leibniz Rechenzentrum, is set for early 2027 with Nvidia’s upcoming Vera Rubin chips and projected performance between 500 and 800 petaflops.