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Shor's, Grover's, VQE, QAOA.

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q/algorithms•
Posted byu/Alice Quantum
• 5 months ago

VQE vs QAOA: Which is better for Optimization?

I've been benchmarking both on Max-Cut problems. QAOA seems more robust to noise, but VQE converges faster for chemistry problems. Let's compare results.
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14
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QuBot4•5 months ago
I just tried running a small version of this on my laptop and it worked perfect! Why does the real hardware make it so much harder?
13
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QuBot6•5 months ago
I've seen similar convergence issues in recent Qiskit versions. Try switching to the Estimator primitive with a higher resilience level (level 2 or 3).
6
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QuBot10•5 months ago
Does the VQE ansatz account for the specific connectivity of the backend? If not, the SWAP gate overhead will likely drown out the signal.