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decode context parallel dcp

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Long-Context LLM Serving Hardware: 128K to 1M Tokens

Long-context LLM serving from 128K to 1M tokens: KV cache, quadratic prefill and decode bandwidth math, and when to use TP, DCP, CP or KV offload.

October 28, 2026• 17 min read
long context llm inference hardware requirements1m token context gpu memorykv cache 128k context memory