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News/Compression Does Not End at Selection: Post-Selection Positional Geometry for Sparse KV Caches
arxiv
PublishedOctober 16, 2026 at 4:00 AM

Compression Does Not End at Selection: Post-Selection Positional Geometry for Sparse KV Caches

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arXiv:2610.21126v1 Announce Type: new Abstract: Sparse KV compression reduces long-context inference costs by retaining selected historical states, yet these states typically keep their coordinates from the full history. Under Rotary Position Embedding (RoPE), gaps left by evicted tokens continue to

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