Llama-CPP Parallel Agents: Prefill Grinds All Other Agents to Halt

EmPips · reddit · 2026-08-11

A developer testing Llama-CPP parallel agents found that while decode performance is superb, running multiple agents concurrently causes severe blocking.

If one agent performs a web search and needs to process a few thousand tokens, all other agents grind to a halt. The author shared their startup command parameters, seeking community advice on optimizing parallel agent configurations.

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