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2024 International Conference on quantum computing and Engineering

作者： Ferrari, Davide Bandini, Michele Amoretti, Michele Univ Parma Dept Engn & Architecture Quantum Software Lab I-43124 Parma Italy

ISBN: (纸本)9798331541378

In a distributed quantum computation, a large quantum circuit gets sliced into sub -circuits that must be executed at the same time on a quantum computing cluster. The interactions between the sub -circuits are usually defined in terms of non -local gates that require shared entangled pairs and classical communication between different nodes. Assuming that multiple end users submit distributed quantum computing (DQC) jobs to the cluster, an execution management problem arises. This is actually a parallel job scheduling problem, in which a set of jobs of varying processing times need to be scheduled on multiple machines while trying to minimize the length of the schedule. In a previous work, we started investigating the problem considering random circuits and approximating the length of each DQC job with the number of layers of the circuit. In this work, we put forward the study by considering a more realistic model for estimating DQC job lengths and by performing evaluations with circuits of practical interest.

关键词： distributed quantum computing execution management job scheduling quantum network

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distributed quantum computing with QMPI 21

Distributed Quantum Computing with QMPI

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International Conference for High Performance computing, Networking, Storage and Analysis (SC21)

作者： Haner, Thomas Steiger, Damian S. Hoefler, Torsten Troyer, Matthias Microsoft Quantum Zurich Switzerland Swiss Fed Inst Technol Zurich Switzerland Microsoft Quantum New York NY USA

ISBN: (纸本)9781450384421

Practical applications of quantum computers require millions of physical qubits and it will be challenging for individual quantum processors to reach such qubit numbers. It is therefore timely to investigate the resource requirements of quantum algorithms in a distributed setting, where multiple quantum processors are interconnected by a coherent network. We introduce an extension of the Message Passing Interface (MPI) to enable high-performance implementations of distributed quantum algorithms. In turn, these implementations can be used for testing, debugging, and resource estimation. In addition to a prototype implementation of quantum MPI, we present a performance model for distributed quantum computing, SENDQ. The model is inspired by the classical LogP model, making it useful to inform algorithmic decisions when programming distributed quantum computers. Specifically, we consider several optimizations of two quantum algorithms for problems in physics and chemistry, and we detail their effects on performance in the SENDQ model.

关键词： distributed quantum computing QMPI

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Towards Reliable distributed quantum computing on quantum Interconnects 23

Towards Reliable Distributed Quantum Computing on Quantum In...

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7th International Conference on the Art, Science, and Engineering of Programming (Programming)

作者： Wakizaka, Ryo Kyoto Univ Kyoto Japan

ISBN: (纸本)9798400707551

quantum interconnects (QuICs), which connect multiple quantum devices to build distributed quantum systems, are essential for large-scale quantum information processing. While various software tools have been developed to analyze quantum programs running on QuICs, there are very few frameworks for formal reasoning about them on actual quantum devices. The lack of such tools may make distributed systems unreliable because of the complicated behavior of concurrent quantum processes and the physical constraints of quantum devices. This paper discusses the need for an infrastructure, including a distributed quantum programming language, to realize reliable distributed quantum computing.

关键词： quantum interconnects quantum internet distributed quantum computing quantum programming language formal verification

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Resource Allocation in quantum Networks for distributed quantum computing 8

Resource Allocation in Quantum Networks for Distributed Quan...

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8th IEEE International Conference on Smart computing (SMARTCOMP)

作者： Cicconetti, Claudio Conti, Marco Passarella, Andrea CNR Inst Informat & Telemat Pisa Italy

ISBN: (纸本)9781665481526

The evolution of quantum computing technologies has been advancing at a steady pace in the recent years, and the current trend suggests that it will become available at scale for commercial purposes in the near future. The acceleration can be boosted by pooling compute infrastructures to either parallelize algorithm execution or solve bigger instances that are not feasible on a single quantum computer, which requires an underlying quantum Internet: the interconnection of quantum computers by quantum links and repeaters to exchange entangled quantum bits. However, quantum Internet research so far has been focused on provisioning point-to-point flows only, which is suitable for (e.g.) quantum sensing and metrology, but not for distributed quantum computing. In this paper, after a primer on quantum computing and networking, we investigate the requirements and objectives of smart computing on distributed nodes from the perspective of quantum network provisioning. We then design a resource allocation strategy that is evaluated through a comprehensive simulation campaign, whose results highlight the key features and performance issues, and lead the way to further investigation in this direction.

关键词： distributed quantum computing quantum Internet quantum Routing

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Service differentiation and fair sharing in distributed quantum computing

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PERVASIVE AND MOBILE computing 2023年 90卷

作者： Cicconetti, Claudio Conti, Marco Passarella, Andrea IIT Natl Res Council Pisa Italy

In the future, quantum computers will become widespread and a network of quantum repeaters will provide them with end-to-end entanglement of remote quantum bits. As a result, a pervasive quantum computation infrastructure will emerge, which will unlock several novel applications, including distributed quantum computing, that is the pooling of resources on multiple computation nodes to address problem instances that are unattainable by any individual quantum computer. In this paper, we first investigate the issue of service differentiation in this new environment. Then, we define the problem of how to select which computation nodes should participate in each pool, so as to achieve a fair share of the quantum network resources available. The analysis is performed via an open source simulator and the results are fully and readily available.(c) 2023 Elsevier B.V. All rights reserved.

关键词： distributed quantum computing quantum internet quantum routing

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distributed quantum computing and Network Control for Accelerated VQE

IEEE TRANSACTIONS ON QUANTUM ENGINEERING

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IEEE TRANSACTIONS ON quantum ENGINEERING 2021年 2卷 1页

作者： Diadamo, Stephen Ghibaudi, Marco Cruise, James Riverlane St Andrews House Cambridge CB2 3BZ England Tech Univ Munich Dept Elect Engn D-80333 Munich Germany

Interconnecting small quantum computers will be essential in the future for creating large-scale, robust quantum computers. Methods for distributing monolithic quantum algorithms efficiently are, thus, needed. In this article, we consider an approach for distributing the accelerated variational quantum eigensolver algorithm over arbitrary sized-in terms of number of qubits-distributed quantum computers. We consider approaches for distributing qubit assignments of the Ansatz states required to estimate the expectation value of Hamiltonian operators in quantum chemistry in a parallelized computation and provide a systematic approach to generate distributed quantum circuits for distributed quantum computing. Moreover, we propose an architecture for a distributed quantum control system in the context of centralized and decentralized network control.

关键词： distributed quantum computing network control quantum multicomputing variational quantum eigensolver

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quantum Algorithms and Simulation for Parallel and distributed quantum computing 2

Quantum Algorithms and Simulation for Parallel and Distribut...

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2nd International Workshop on quantum computing Software (QCS)

作者： Parekh, Rhea Ricciardi, Andrea Darwish, Ahmed DiAdamo, Stephen Tech Univ Munich Munich Germany

ISBN: (纸本)9781728186740

A viable approach for building large-scale quantum computers is to interlink small-scale quantum computers with a quantum network to create a larger distributed quantum computer. When designing quantum algorithms for such a distributed quantum computer, one can make use of the added parallelization and distribution abilities inherent in the system. An added difficulty to then overcome for distributed quantum computing is that a complex control system to orchestrate the various components is required. In this work, we aim to address these issues. We explicitly define what it means for a quantum algorithm to be distributed and then present various quantum algorithms that fit the definition. We discuss potential benefits and propose a high-level scheme for controlling the system. With this, we present our software framework called Interlin-q, a simulation platform that aims to simplify designing and verifying parallel and distributed quantum algorithms. We demonstrate Interlin-q by implementing some of the discussed algorithms using Interlin-q and layout future steps for developing Interlin-q into a control system for distributed quantum computers.

关键词： distributed quantum computing distributed quantum algorithms quantum software networked control systems

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Compiler Design for distributed quantum computing

IEEE TRANSACTIONS ON QUANTUM ENGINEERING

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IEEE TRANSACTIONS ON quantum ENGINEERING 2021年第1期2卷 1页

作者： Ferrari, Davide Cacciapuoti, Angela Sara Amoretti, Michele Caleffi, Marcello Univ Parma Dept Engn & Architecture I-43124 Parma Italy Univ Naples Federico II Dept Elect Engn & Informat Technol Future Commun Lab I-80125 Naples Italy Natl Inter Univ Consortium Telecommun Lab Nazl Comunicaz Multimediali I-80126 Naples Italy

In distributed quantum computing architectures, with the network and communications functionalities provided by the quantum Internet, remote quantum processing units can communicate and cooperate for executing computational tasks that single, noisy, intermediate-scale quantum devices cannot handle by themselves. To this aim, distributed quantum computing requires a new generation of quantum compilers, for mapping any quantum algorithm to any distributed quantum computing architecture. With this perspective, in this article, we first discuss the main challenges arising with compiler design for distributed quantum computing. Then, we analytically derive an upper bound of the overhead induced by quantum compilation for distributed quantum computing. The derived bound accounts for the overhead induced by the underlying computing architecture as well as the additional overhead induced by the suboptimal quantum compiler-expressly designed in this article to achieve three key features, namely, general-purpose, efficient, and effective. Finally, we validate the analytical results, and we confirm the validity of the compiler design through an extensive performance analysis.

关键词： distributed quantum computing distributed quantum systems quantum compiling quantum Internet quantum networks

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Universal distributed quantum computing on Superconducting Qutrits with Dark Photons

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ANNALEN DER PHYSIK 2018年第4期530卷 1700402-1700402页

作者： Hua, Ming Tao, Ming-Jie Alsaedi, Ahmed Hayat, Tasawar Deng, Fu-Guo Beijing Normal Univ Dept Phys Appl Opt Beijing Area Major Lab Beijing 100875 Peoples R China King Abdulaziz Univ Fac Sci NAAM Res Grp Dept Math Jeddah 21589 Saudi Arabia Tianjin Polytech Univ Sch Sci Dept Appl Phys Tianjin 300387 Peoples R China Quaid I Azam Univ Dept Math Islamabad 44000 Pakistan

A one-step scheme is presented to construct the controlled-phase gate deterministically on remote transmon qutrits coupled to different resonators connected by a superconducting transmission line for an universal distributed quantum computing. Different from previous work on remote superconducting qubits, the present gate is implemented with coherent evolutions of the entire system in the all-resonance regime assisted by the dark photons to robust against the transmission line loss, which allows the possibility of the complex designation of a long-length transmission line to link lots of circuit QEDs. The length of the transmission line can reach the scale of several meters, which makes this scheme suitable for large-scale distributed quantum computing. This gate is a fast quantum entangling operation with a high fidelity of about 99%. Compared with previous work in other quantum systems for a distributed quantum computing, under the all-resonance regime, the present proposal does not require classical pulses and ancillary qubits, which relaxes the difficulty of its implementation largely.

关键词： distributed quantum computing superconducting qutrits dark photons quantum information quantum electrodynamics

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distributed quantum circuit partitioning and optimization based on combined spectral clustering and search tree strategies

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Chinese Physics B 2025年第5期34卷 237-248页

作者： Zilu Chen Zhijin Guan Shuxian Zhao Xueyun Cheng School of Artificial Intelligence and Computer Science Nantong UniversityNantong 226019China College of Engineering the Internet of Things Taihu UniversityWuxi 214063China Jiangsu Huihuan Environmental Protection Technology Co. Ltd.Nantong 226010China

In the current noisy intermediate-scale quantum(NISQ)era,a single quantum processing unit(QPU)is insufficient to implement large-scale quantum algorithms;this has driven extensive research into distributed quantum computing(DQC).DQC involves the cooperative operation of multiple QPUs but is concurrently challenged by excessive communication *** address this issue,this paper proposes a quantum circuit partitioning method based on spectral *** approach transforms quantum circuits into weighted graphs and,through computation of the Laplacian matrix and clustering techniques,identifies candidate partition schemes that minimize the total weight of the ***,a global gate search tree strategy is introduced to meticulously explore opportunities for merged transfer of global gates,thereby minimizing the transmission cost of distributed quantum circuits and selecting the optimal partition scheme from the ***,the proposed method is evaluated through various comparative *** experimental results demonstrate that spectral clustering-based partitioning exhibits robust stability and efficiency in runtime in quantum circuits of different *** experiments involving the quantum Fourier transform algorithm and Revlib quantum circuits,the transmission cost achieved by the global gate search tree strategy is significantly optimized.

关键词： NISQ era distributed quantum computing quantum circuit partitioning transmission cost

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