From Prefix Cache to Fusion RAG Cache: Accelerating LLM Inference in Retrieval-Augmented Generation

Summary: FusionRAG: RAG inference cache reuse beyond prefix caching. Offline chunk fusion injects cross-chunk context; online selective KV recomputation for attention-critical tokens preserves quality while cutting TTFT, outperforming prior KVCache reuse at the same recompute budget. (summarized by gpt-5-mini on Apr 11 2026)

Paper ID: 7481
Venue: SIGMOD
Year: 2026
Pagerank: 4.1945683e-05
Overall Rank: 10,170 | 29.25%
DOI: 10.1145/3786655

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Rank	Cited Paper	Year	Venue	Pagerank
3,565	Cache-Craft: Managing Chunk-Caches for Efficient Retrieval-Augmented Generation	2025	SIGMOD	6.9655362e-05

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