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I bought Thunderbolt 5 and got USB4 40G: re-benchmarking a two-machine llama.cpp RPC setup across three links and six models

This story is from 2026-10-30. It is preserved in the archive; the latest stories are on the live feed.

This post is a follow-up to my previous benchmark. It tests six models across three links — 5GbE, "fake TB5," and USB 10GbE — comparing how link speed affects performance. I'd originally planned to test only TB5, then move on to other things. Buy a cable, plug it in, measure, done — a few hours, to…

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  1. 2026-10-30 09:10 · DEV Community — AI
    I bought Thunderbolt 5 and got USB4 40G: re-benchmarking a two-machine llama.cpp RPC setup across three links and six models

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