How Long Prompts Block Other Requests - Optimizing LLM Performance

The article analyzes how long prefill prompts can block the prefill queue in a multi-request setting, and explains that decoding steps are light but must be sequential. It discusses two patterns - chunked prefill and request-parallel prefills - and why long prompts undermine throughput, with implications for vLLM scheduling.

Source

HuggingFace Blog

Ingéré

12 JUIN 2025 · 19:10

Score édito

3.0 / 5