Unverified50% confidenceSolutionExact time
利用固定前缀prompt结构最大化KV Cache缓存命中率可大幅降低运营成本，尤其在RAG和多轮对话等高频调用场景
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
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