论文标题

一种动态编程方法,用于通过两分图分配量子电路

A dynamic programming approach for distributing quantum circuits by bipartite graphs

论文作者

Davarzani, Zohreh, Zomorodi-Moghadam, Mariam, Houshmand, Mahboobeh, Nouri-baygi, Mostafa

论文摘要

近期大量子计算机无法作为单个处理单元运行。因此,需要将量子电路划分为较小的零件,然后在小型单元上执行每个部分。该方法称为分布式量子计算。在这项研究中,提出了一种动态编程算法,以最大程度地减少分布式量子电路(DQC)中的通信数量。该算法由两个步骤组成:首先,量子电路将转换为两部分图模型,然后提出了动态编程方法(DP)将模型分配到低容量的量子电路中。对所提出的方法进行了一些基准量子电路的评估,并显着减少了所需的传送量。

Near-term large quantum computers are not able to operate as a single processing unit. It is therefore required to partition a quantum circuit into smaller parts, and then each part is executed on a small unit. This approach is known as distributed quantum computation. In this study, a dynamic programming algorithm is proposed to minimize the number of communications in a distributed quantum circuit (DQC). This algorithm consists of two steps: first, the quantum circuit is converted into a bipartite graph model, and then a dynamic programming approach (DP) is proposed to partition the model into low-capacity quantum circuits. The proposed approach is evaluated on some benchmark quantum circuits with remarkable reduction in the number of required teleportations.

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