Unverified60% confidenceFactExact time
vLLM的PagedAttention借鉴操作系统虚拟内存分页思想管理KV缓存,将显存碎片化损耗从约30%降低至接近0
2
Sources
60%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
DeepSeek开源DiSpark:不换显卡让AI推理提速85%
bilibili枫叶边城7/4/2026
Related Claims
UnverifiedPagedAttention 由 vLLM 团队于 2023 年提出,借鉴操作系统虚拟内存分页机制,将 KV Cache 内存浪费率从超过 60% 降低至接近 4%84% similarUnverifiedvLLM通过PagedAttention技术将KV Cache的内存碎片率从60%以上压缩至接近零,在高并发场景下可将推理吞吐量提升数倍81% similarUnverifiedvLLM的PagedAttention将KV缓存切分为固定大小物理块(通常16个token),使显存利用率从不足40%提升至接近90%74% similarUnverifiedvLLM的PagedAttention将KV Cache划分为固定大小物理块,通过块表实现地址映射,将碎片化率从60-80%降至不足4%,吞吐量提升可达24倍74% similarUnverifiedvLLM的PagedAttention将KV Cache碎片化率从传统方案的60-80%降至不足4%,吞吐量提升可达24倍73% similar
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