Unverified50% confidenceFactExact time
传统KV Cache分配方案因按最大序列长度预分配连续显存块，导致平均显存利用率仅20%-40%
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Related Claims
Unverified传统推理框架中每个请求的 KV Cache 需预分配等长连续显存，显存利用率通常仅有 20%-40%，PagedAttention 可将其提升到接近 100%79% similarUnverified传统推理框架为每个请求预分配连续 KV Cache 显存块导致平均浪费率高达 60–80%75% similarUnverified推理时的KV缓存、激活值缓冲区和中间计算状态会额外占用30%-50%显存73% similarUnverified传统 LLM 推理中因需按最大长度预留显存，KV Cache 的实际利用率通常不到 30%70% similarUnverified传统LLM推理中KV Cache的显存浪费率可达60-80%69% similar
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