KV Cache Manager: The Key Idea Behind It and How It Works | HackerNoon

The vLLM memory manager employs principles of virtual memory, partitioning the KV cache similarly to how an OS manages physical and logical memory, supporting dynamic allocation.

By organizing KV caches as fixed-size blocks, vLLM allows GPU and CPU memory allocation without requiring prior physical memory reservations, enhancing efficiency in LLM services.

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