Hybrid Classical-Quantum Supercomputing: A demonstration of a multi-user, multi-QPU and multi-GPU environment
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914008317034496 |
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| author | Slysz, Mateusz Rydlichowski, Piotr Kurowski, Krzysztof Bacarreza, Omar Gomez, Esperanza Cuenca Chandani, Zohim Heim, Bettina Khalate, Pradnya Clements, William R. Fletcher, James |
| author_facet | Slysz, Mateusz Rydlichowski, Piotr Kurowski, Krzysztof Bacarreza, Omar Gomez, Esperanza Cuenca Chandani, Zohim Heim, Bettina Khalate, Pradnya Clements, William R. Fletcher, James |
| contents | Achieving a practical quantum advantage for near-term applications is widely expected to rely on hybrid classical-quantum algorithms. To deliver this practical advantage to users, high performance computing (HPC) centers need to provide a suitable software and hardware stack that supports algorithms of this type. In this paper, we describe the world's first implementation of a classical-quantum environment in an HPC center that allows multiple users to execute hybrid algorithms on multiple quantum processing units (QPUs) and GPUs. Our setup at the Poznan Supercomputing and Networking Center (PCSS) aligns with current HPC norms: the computing hardware including QPUs is installed in an active data center room with standard facilities; there are no special considerations for networking, power, and cooling; we use Slurm for workload management as well as the NVIDIA CUDA-Q extension API for classical-quantum interactions. We demonstrate applications of this environment for hybrid classical-quantum machine learning and optimisation. The aim of this work is to provide the community with an experimental example for further research and development on how quantum computing can practically enhance and extend HPC capabilities. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_16297 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Hybrid Classical-Quantum Supercomputing: A demonstration of a multi-user, multi-QPU and multi-GPU environment Slysz, Mateusz Rydlichowski, Piotr Kurowski, Krzysztof Bacarreza, Omar Gomez, Esperanza Cuenca Chandani, Zohim Heim, Bettina Khalate, Pradnya Clements, William R. Fletcher, James Quantum Physics Distributed, Parallel, and Cluster Computing Emerging Technologies Achieving a practical quantum advantage for near-term applications is widely expected to rely on hybrid classical-quantum algorithms. To deliver this practical advantage to users, high performance computing (HPC) centers need to provide a suitable software and hardware stack that supports algorithms of this type. In this paper, we describe the world's first implementation of a classical-quantum environment in an HPC center that allows multiple users to execute hybrid algorithms on multiple quantum processing units (QPUs) and GPUs. Our setup at the Poznan Supercomputing and Networking Center (PCSS) aligns with current HPC norms: the computing hardware including QPUs is installed in an active data center room with standard facilities; there are no special considerations for networking, power, and cooling; we use Slurm for workload management as well as the NVIDIA CUDA-Q extension API for classical-quantum interactions. We demonstrate applications of this environment for hybrid classical-quantum machine learning and optimisation. The aim of this work is to provide the community with an experimental example for further research and development on how quantum computing can practically enhance and extend HPC capabilities. |
| title | Hybrid Classical-Quantum Supercomputing: A demonstration of a multi-user, multi-QPU and multi-GPU environment |
| topic | Quantum Physics Distributed, Parallel, and Cluster Computing Emerging Technologies |
| url | https://arxiv.org/abs/2508.16297 |