Unverified50% confidenceFactExact time
KV缓存将已计算的Key-Value矩阵存储在显存中实现增量计算，代价是显存占用随序列长度线性增长
1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
Related Claims
VerifiedKV Cache占用的显存随序列长度线性增长79% similarUnverifiedKV缓存随上下文长度增加，显存占用可达总显存的60%以上77% similarVerifiedKV Cache的显存占用随序列长度线性增长，700亿参数采用GQA的模型处理10万Token时KV Cache占用可能高达数十GB75% similarUnverifiedKV缓存的显存占用与上下文长度、模型层数和注意力头数成正比，8K上下文下一个典型27B模型可能额外消耗2～4GB显存73% similarUnverified准确估算模型显存占用需考虑 KV Cache、推理框架运行时开销（通常额外消耗 0.5–2 GB）和激活值等多个维度73% similar
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