SHARE: Secure Hardware Allocation and Resource Efficiency in Quantum Systems
arxiv(2024)
Abstract
Quantum computing (QC) is poised to revolutionize problem solving across
various fields, with research suggesting that systems with over 50 qubits may
achieve quantum advantage surpassing supercomputers in certain optimization
tasks. As the hardware size of Noisy Intermediate Scale Quantum (NISQ)
computers continues to grow, Multi tenant computing (MTC) has emerged as a
viable approach to enhance hardware utilization by allowing shared resource
access across multiple quantum programs. However, MTC can also bring challenges
and security concerns. This paper focuses on optimizing quantum hardware
utilization in shared environments by implementing multi programming strategies
that not only enhance hardware utilization but also effectively manage
associated risks like crosstalk and fault injection. We propose a novel
partitioning and allocation method called Community Based Dynamic Allocation
Partitioning (COMDAP) and Secure COMDAP to refine and secure multi programming
capabilities in quantum systems. COMDAP ensures equitable and efficient
resource distribution, addresses the issues of suboptimal partitioning, and
significantly improves hardware utilization. We report a 23 percent average
improvement in hardware utilization rate compared to existing greedy
heuristics, with rates averaging 92 percent. COMDAP introduces an average
increase of approximately 0.05X in delta CX, alongside a 3.5 percent average
reduction in PST across benchmarks.
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