Unverified50% confidenceFactExact time
Prompt caching requires an exact token sequence match as a prerequisite; any change at any position in the prefix invalidates the cache, and all tokens from that changed position onward must be recomputed.
1
Sources
50%
Confidence
Long-term
Relevance
10/7/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedPrompt缓存必须从前缀开始严格匹配,一旦中间某个token变化,其后所有token的注意力计算都会改变,已缓存的KV对随之失效72% similarUnverifiedPrompt 缓存依赖于前缀的精确匹配,一旦技能定义的顺序或内容发生微小变化,缓存即失效71% similarUnverifiedThe Token Healing approach rolls back the last token and resamples from a complete boundary while preserving its textual content, in order to resolve generation anomalies that occur at incomplete token boundaries during greedy decoding.67% similarUnverifiedMisaligned tokenization logic between the sampling side and the scoring side causes the same text to be split into different token sequences, resulting in probability inconsistencies.67% similarUnverified缓存命中的前提是提示词内容保持稳定,若系统提示词中包含动态插入的时间戳、会话ID或随机内容则会造成缓存失效65% similar
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