How does vLLM achieve higher throughput than naive batc...

vLLM improves throughput by addressing the inefficiencies of static batching. Continuous batching allows the system to reclaim slots as soon as a sequence finishes, preventing idle time. Selective batching ensures that compute operations are always performed at full efficiency. Furthermore, PagedAttention manages the KV cache in non-contiguous memory blocks, similar to virtual memory in operating systems, which eliminates fragmentation and allows for a higher number of concurrent sequences.