Production data reveals the optimization is often over-applied.
Impressive cost optimization for LLM inference using AMD GPUs.
Save 67% with prefill-decode disaggregation using Ray + vLLM on AMD GPUs.
https://www.anyscale.com/blog/ray-vllm-prefill-decode-disaggregation-amd-mi325x-67-percent-savings
One pattern we keep seeing with customers serving LLMs at scale:
Prefill-decode disaggregation is often treated like a magic wand. But the reality is more nuanced.
So we wrote down the core insights for when PD helps, when it does not, and validated them on AMD + vLLM — where the PD path has been much less paved. 🧵
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