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The State of FP8 KV-Cache and Attention Quantization in vLLM

calendar_today April 22, 2026 person Jonas Kübler* (AWS), Eldar Kurtić* (Red Hat AI), Lucas Wilkinson (Red Hat AI), Matthew Bonanni (Red Hat AI), Michael Goin (Red Hat AI), Alexandre Marques (Red Hat AI), Kailash Budhathoki (AWS) (* Equal Contribution) domain vllm

Long-context LLM serving is increasingly memory-bound: for standard full-attention decoders, the KV cache often dominates GPU memory at 128k+ contexts, and each decode step must read a large…

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