Author

Chao Xu

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Preprint Aug 2026

DART: Decoded Attention over Recurrent States for Efficient Long-Context Sequence Modeling

DART (Decoded Attention over Recurrent sTates), which retains the chunk state contributions produced by the Mamba-2 chunked scan as chunk state memories, decodes token-conditioned keys and values from these memories, and performs state-memory attention (SMA) over the resulting KV pairs.

Yixiao Qian, Song Chen, Pengkai Wang et al. · 0 citations