Long Context & Efficient Sequences · 2025
DeepSeek-V3.2: DeepSeek Sparse Attention (DSA)
Adds a lightning indexer plus fine-grained token selection on top of MLA to replace O(L^2) attention with scalable sparse attention, roughly halving per-token long-context cost at parity.
Editorial record
Plain-language summary
Adds a lightning indexer plus fine-grained token selection on top of MLA to replace O(L^2) attention with scalable sparse attention, roughly halving per-token long-context cost at parity.
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Descendants
Depends onEvidence: Strongly supported
Attention Is All You Need
Builds on the long context lineage in the archive
freshness sweep 2026
Source record
Provenance
- Record ID
- P-613
- Record created
- 2026-07-13
- Last reviewed
- 2026-07-14
- Record version
- 2
- https://arxiv.org/abs/2512.02556
- arXiv:2512.02556
Citation caveat: Citation metadata is approximate and marked unverified in the source dataset.