Unverified50% confidenceFactExact time
The PagedAttention proposed by vLLM draws on the operating system's virtual memory paging concept to manage KV Cache, compressing internal fragmentation to within a single block, and requires maintaining a block table to record the mapping from logical blocks to physical blocks.
1
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50%
Confidence
Long-term
Relevance
9/23/2026
First Seen
Sources
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Related Claims
VerifiedPagedAttention is the core technology of the vLLM framework, which draws on the idea of operating system virtual memory management to store KV Cache in pages.78% similarUnverifiedvLLM adopts a hash-based block-level management strategy that splits the KV Cache into fixed-size blocks and uses the hash value of block contents as the index.72% similarUnverifiedvLLM uses PagedAttention technology to manage KV Cache, and its memory allocation and request scheduling introduce runtime non-determinism.70% similarUnverifiedThe actual physical VRAM allocation occurs on vLLM's Worker side, while the logical block pool and block table are established on the scheduler side.67% similar
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