GPU SmithCOMPUTE ENGINEERING

kv cache calculator

1 article

vLLM KV Cache Capacity Planning: Context and Concurrency

vLLM KV Cache Capacity Planning: Context and Concurrency

A 2026 engineering guide to vLLM KV cache capacity planning: calculate architecture-derived bytes per token, reconcile startup allocation, and canary context, concurrency, FP8 and preemption controls.

10/5/2026• 25 min read
vllm kv cache capacity planningvllm kv cache memory calculationvllm concurrency