Hardware-guided pruning and quantization make a GNN surface-code decoder meet ~1 µs real-time latency on FPGA while cutting logical error rate 13–40% versus MWPM at d≤7, p=10⁻³.
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Low Latency GNN Accelerator for Quantum Error Correction
Hardware-guided pruning and quantization make a GNN surface-code decoder meet ~1 µs real-time latency on FPGA while cutting logical error rate 13–40% versus MWPM at d≤7, p=10⁻³.