AI pre-decoders achieve O(1 μs) per round decoding runtimes on GPUs for surface codes while improving logical error rates over global decoding alone and enabling data-driven noise weight estimation.
Similar to the X-graph, it has 18 edge types: 3 spacelike (S1–S3), 4 timelike (T1–T4), 5 diagonal (D1–D5), and 6 boundary (B1–B6)
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Fast and accurate AI-based pre-decoders for surface codes
AI pre-decoders achieve O(1 μs) per round decoding runtimes on GPUs for surface codes while improving logical error rates over global decoding alone and enabling data-driven noise weight estimation.