[Paper] Joint Subspace Sparse Attention for Efficient Long-Context Decoding
Sparse attention reduces the KV-cache traffic that dominates long-context LLM decoding, but practical methods largely operate at coarse granularity. Token-level selection offers finer control, yet presents two challenges: low-dimensional scoring may lose query--key structure needed for accurate ran…
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- 2026-10-29 08:08 · r/LocalLLaMA
[Paper] Joint Subspace Sparse Attention for Efficient Long-Context Decoding