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EPJ Quantum Technology
Figure 1 | EPJ Quantum Technology

Figure 1

From: Optimising the quantum/classical interface for efficiency and portability with a multi-level hardware abstraction layer for quantum computers

Figure 1

The three levels of access to the QPU system stack (dashed box) provided by QHAL. Moving closer to the qubits from QHAL level 3 to QHAL level 1, a higher integration with fast logic components reduces latency and ensures faster responsiveness. As a tradeoff, security threats increase due to the increasing amount of privileged information required to interact with the hardware

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