With USB4STREAM merged into Linux 7.2, are inference runtimes adopting it?

voyager256 · reddit · 2026-08-18

With USB4STREAM support merging into Linux 7.2, the user asks if inference runtimes like vLLM or llama.cpp plan to adopt it. USB4STREAM removes network stack overhead, significantly reducing cross-node latency compared to standard USB4 or non-RDMA Ethernet. This could make pipeline parallelism viable using a cheap passive cable between two PCs.

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