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DTSTAMP:20211207T054725Z
LOCATION:240-241-242
DTSTART;TZID=America/Chicago:20211117T153000
DTEND;TZID=America/Chicago:20211117T160000
UID:submissions.supercomputing.org_SC21_sess250_gb103@linklings.com
SUMMARY:Closing the “Quantum Supremacy” Gap: Achieving Real-Time Simulatio
 n of a Random Quantum Circuit Using a New Sunway Supercomputer
DESCRIPTION:ACM Gordon Bell Finalist, Awards Presentation\n\nClosing the “
 Quantum Supremacy” Gap: Achieving Real-Time Simulation of a Random Quantum
  Circuit Using a New Sunway Supercomputer\n\nFu, SWQSIM\n\nWe develop a hi
 gh-performance tensor-based simulator for random quantum circuits (RQCs) o
 n the new Sunway supercomputer. Our major innovations include: a near-opti
 mal slicing scheme, and a path-optimization strategy that considers both c
 omplexity and compute density; a three-level parallelization scheme that s
 cales to about 42 million cores; a fused permutation and multiplication de
 sign that improves the compute efficiency for a wide range of tensor contr
 action scenarios; and a mixed-precision scheme to further improve the perf
 ormance. Our simulator effectively expands the scope of simulative RQCs to
  include the 10×10 (qubits) × (1+40+1) (depth) circuit, with a sustained p
 erformance of 1.2 Eflops (single-precision), or 4.4 Eflops (mixed-precisio
 n) as a new milestone for classical simulation of quantum circuits, and re
 duces the simulation sampling time of Google Sycamore to 304 seconds, from
  the previously claimed 10,000 years.\n\nTag: Accelerator-based Architectu
 res, Computational Science, Extreme Scale Computing, Performance, Quantum 
 Computing, Scientific Computing\n\nRegistration Category: Tech Program Reg
  Pass
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