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Jet: Fast quantum circuit simulations with parallel task-based tensor-network contraction
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DOI：10.22331/q-2022-05-09-709.png)
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Abstract
En 中文
We introduce a new open-source software library Jet, which uses task-based parallelism to obtain speed-ups in classical tensor-network simulations of quantum circuits. These speed-ups result from i) the increased parallelism introduced by mapping the tensor-network simulation to a task-based framework, ii) a novel method of reusing shared work between tensornetwork contraction tasks, and iii) the concurrent contraction of tensor networks on all available hardware. We demonstrate the advantages of our method by benchmarking our code on several Sycamore53 and Gaussian boson sampling (GBS) supremacy circuits against other simulators. We also provide and compare theoretical performance estimates for tensornetwork simulations of Sycamore-53 and GBS supremacy circuits for the first time.
Keywords:
SUPREMACY
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