Establishing the quantum supremacy frontier with a 281 Pflop/s simulation
Journal Article
·
· Quantum Science and Technology
- 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)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Google, Inc., Venice, CA (United States)
- NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States)
- 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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