System breakdown
Interactive Workspace (20+ Diagrams)

Inside vLLM: KV Cache, Scheduling & Model Runner

Traces PagedAttention block translation, continuous batching scheduler cycles, and multi-GPU Ray scaling.

vllm-project/vllm
1.1 FastAPI Ingestion

FastAPI server processes incoming requests and forwards tasks into the engine request queues.

Client RequestFastAPI RouterZod/Pydantic GuardEngine Queue

Execution Flow Trace

Technical Specifications

Click "Trace Flow" above to animate this architectural pathway.