Unverified50% confidenceCautionExact time
当上下文长度扩展至百万Token时，KV Cache本身就会占用数十GB显存
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
Unverified数千亿参数模型处理128K上下文窗口时，KV Cache可能占据数十GB显存81% similarUnverified以LLaMA-2 70B为例，处理4096 token上下文、批量大小32时，KV Cache可消耗超过80GB显存81% similarUnverified一个200K上下文窗口的请求，其KV Cache可能占据数十GB显存79% similarUnverified上下文长度从4K扩展到8K时，KV Cache占用的显存会近乎翻倍79% 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GB76% similar
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