enabling PCI-E p2p for consumer Nvidia cards will yield you more than you think
2.70T2 sourcer/LocalLLaMA
r/LocalLLaMAoriginal source ↗
Source record
Published by r/LocalLLaMA (T2 source). The original is at https://www.reddit.com/r/LocalLLaMA/comments/1vj7wey/enabling_pcie_p2p_for_consumer_nvidia_cards_will/.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryA Reddit post discusses enabling PCI-E peer-to-peer (P2P) communication between consumer Nvidia GPUs, a feature typically restricted to professional cards, claiming it yields significant performance gains for multi-GPU workloads.
Why it mattersA niche but concrete hardware configuration trick for multi-GPU setups, directly applicable to LLM inference and training on consumer hardware.
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