NetQMPI: An MPI-Inspired software for programming Distributed Quantum Applications over Quantum Networks using NetQASM SDK

• URL: http://arxiv.org/abs/2512.11483v1
• Date: Fri, 12 Dec 2025 11:32:42 GMT
• Title: NetQMPI: An MPI-Inspired software for programming Distributed Quantum Applications over Quantum Networks using NetQASM SDK
• Authors: F. Javier Cardama, Tomás F. Pena,
• Abstract summary: This paper introduces textbfNetQMPI, a high-level Python framework that adapts the Message Passing Interface (MPI) standard to the quantum domain.<n>We propose semantic point-to-point primitives and novel collective operations--such as expose and unexpose--that address the constraints of the No-Cloning Theorem.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Distributed Quantum Computing (DQC) is essential for scaling quantum algorithms beyond the limitations of monolithic NISQ devices. However, the current software ecosystem forces developers to manually orchestrate low-level network resources, such as entanglement generation (EPR pairs) and classical synchronization, leading to verbose, error-prone, and non-scalable code. This paper introduces \textbf{NetQMPI}, a high-level Python framework that adapts the Message Passing Interface (MPI) standard to the quantum domain using the Single Program Multiple Data (SPMD) paradigm. Built as a middleware over the NetQASM SDK, NetQMPI abstracts the underlying physical topology, automating network initialization and resource management through a unified Communicator interface. We propose semantic point-to-point primitives and novel collective operations--such as expose and unexpose--that address the constraints of the No-Cloning Theorem by leveraging multipartite entanglement for data distribution. Our comparative analysis demonstrates that NetQMPI decouples algorithmic logic from network size, reducing the code complexity for generating an $N$-node GHZ state from $\mathcal{O}(N^2)$ to constant complexity $\mathcal{O}(1)$. Furthermore, the framework ensures backend agnosticism, enabling the seamless execution of high-level applications on rigorous physical simulators like NetSquid (via SquidASM) and future quantum hardware adhering to the NetQASM standard.

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