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Establishing the quantum supremacy frontier with a 281 Pflop/s simulation

Journal Article · · Quantum Science and Technology
 [1];  [2];  [3];  [3];  [2];  [4];  [4];  [3];  [5]
  1. NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States); USRA Research Inst. for Advanced Computer Science (RIACS), Mountain View, CA (United States); Univ. of Illinois at Urbana-Champaign, IL (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Google, Inc., Venice, CA (United States)
  4. NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States)
  5. NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States); Stinger Ghaffarian Technologies Inc., Greenbelt, MD (United States)
Noisy intermediate-scale quantum (NISQ) computers are entering an era in which they can perform computational tasks beyond the capabilities of the most powerful classical computers, thereby achieving 'quantum supremacy', a major milestone in quantum computing. NISQ supremacy requires comparison with a state-of-the-art classical simulator. In this paper, we report HPC simulations of hard random quantum circuits (RQC), which have been recently used as a benchmark for the first experimental demonstration of quantum supremacy, sustaining an average performance of 281 Pflop/s (true single precision) on Summit, currently the fastest supercomputer in the world. These simulations were carried out using qFlex, a tensor-network-based classical high-performance simulator of RQCs. Our results show an advantage of many orders of magnitude in energy consumption of NISQ devices over classical supercomputers. In addition, we propose a standard benchmark for NISQ computers based on qFlex.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
National Aeronautic and Space Administration (NASA); USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1649588
Journal Information:
Quantum Science and Technology, Journal Name: Quantum Science and Technology Journal Issue: 3 Vol. 5; ISSN 2058-9565
Publisher:
IOPscienceCopyright Statement
Country of Publication:
United States
Language:
English

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