Unverified50% confidenceFactExact time
Prefix caching technology has been widely supported in frameworks such as vLLM and SGLang, but these implementations are typically only valid within the process lifecycle and become invalid after a restart.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/1/2026
First Seen
Valid until: 12/30/2026
Sources
Related Entities
Related Claims
UnverifiedvLLM的前缀缓存（Prefix Caching）对KV Cache块计算哈希值，当新请求输入前缀与已缓存请求重叠时直接复用物理缓存块，跳过该部分prefill计算72% similarUnverifiedBoth OpenAI's Prompt Caching and Anthropic's Prompt Caching adopt a KV cache reuse mechanism.70% similarUnverifiedLate injection keeps prefix caching effective by injecting content at the appropriate moment.69% similarUnverifiedAdvanced inference frameworks such as vLLM and TensorRT-LLM have introduced techniques such as Continuous Batching and Disaggregated Prefill to mitigate prefill-decode interference.68% similar
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