SC19 Proceedings

The International Conference for High Performance Computing, Networking, Storage, and Analysis

Poster 87: Parallelizing Simulations of Large Quantum Circuits

Authors: Michael A. Perlin (University of Colorado, National Institute of Standards and Technology (NIST)), Teague Tomesh (Princeton University), Bradley Pearlman (University of Colorado, National Institute of Standards and Technology (NIST)), Wei Tang (Princeton University), Yuri Alexeev (Argonne National Laboratory), Martin Suchara (Argonne National Laboratory)

Abstract: We present a parallelization scheme for classical simulations of quantum circuits. Our scheme is based on a recent method to "cut'' large quantum circuits into smaller sub-circuits that can be simulated independently, and whose simulation results can in turn be re-combined to infer the output of the original circuit. The exponentially smaller classical computing resources needed to simulate smaller circuits are counterbalanced by exponential overhead in terms of classical post-processing costs. We discuss how this overhead can be massively parallelized to reduce classical computing costs.

Best Poster Finalist (BP): no

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