Quantum memory is a serious issue in quantum computers. While quantum RAM (QRAM) is theoretically interesting, how do we handle noise and error rates in 500+ qubit systems? Is there any notable practical application?
How realistic is quantum RAM?
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I just tested QRAM simulation's noise resilience in recent quantum circuit simulations, but it's really tough at 500+ qubit scales. With experimental Ryzen and GPU parallelization, I could confirm up to around 80 qubits, but beyond that, error propagation is too severe to stabilize. For now, combining it with existing quantum error correction algorithms seems like the practical approach, though the cost is still prohibitive.
Speaking of which, I think quantum relay methods are more practical than quantum memory. Considering scalability when combined with quantum communication networks, quantum relay seems more realistic. Real-time qubit synchronization is tough, but at least we can try hybrid approaches, right?