How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Next-Level Inference: Why Your Single-Node vLLM Setup Needs Prefill-Decode Disaggregation

calendar_today April 7, 2026 person AMD and Embedded LLM domain vllm

TL;DR: Prefill and decode fight over the same GPUs, causing ITL spikes under load. We show how to disaggregate them on a single 8-GPU MI300X node using AMD’s MORI-IO connector — achieving 2.5x…

open_in_new Read original post