European Supercomputer Breaks Record by Simulating 50-Qubit Quantum Computer

Nov 24, 2025
SciTechDaily
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Summary

European researchers shatter quantum simulation records by successfully modeling a 50-qubit quantum computer using JUPITER exascale supercomputer, requiring 2 petabytes of memory and breakthrough compression technology that reduces requirements eightfold, creating unprecedented testbed for quantum algorithms before real quantum hardware catches up.

Key Points

  • Researchers at the Jülich Supercomputing Centre successfully simulate a universal 50-qubit quantum computer using JUPITER, Europe's first exascale supercomputer, breaking the previous 48-qubit record from 2019
  • The breakthrough requires approximately 2 petabytes of memory and utilizes new NVIDIA GH200 Superchips with enhanced JUQCS-50 software featuring byte-encoding compression that reduces memory requirements eightfold
  • The simulation provides a powerful testbed for quantum algorithms like Variational Quantum Eigensolver and Quantum Approximate Optimization Algorithm, advancing quantum research before actual quantum hardware becomes sufficiently advanced

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