DA-DLM is proposed, a model that adapts DAG-based dependency modeling to DLMs'iterative setting through a position-oriented DAG design, and consistently outperforms Block Diffusion, especially under fewer denoising steps, and matches autoregressive models while preserving the parallel generation advantage.
Peng-Yu Ji, Zi-Chen Zhang, Xiang Hu et al.· 0 citations
Across reasoning, long-context understanding, and agentic tasks, SAS consistently outperforms trainable sparse attention baselines across attention budgets, with especially large gains under tight budgets, demonstrating more effective context ranking for downstream tasks.
Hierarchical Landmark Sparse Attention is proposed, a chunk-wise sparse attention mechanism that learns chunk selection end-to-end under the language-modeling (LM) loss, enabling long-context LLMs that are both more efficient and more effective on general long-context tasks than their full-attention counterparts.
Xiang Hu, Xinyu Wei, Hao Gu et al.· 3 citations
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