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[Bug] There is not any InfiniBand or NVLink in my 4-GPU machine, how can I use mscclpp to communicate? #397

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Maphsge4 opened this issue Dec 2, 2024 · 1 comment
Open

[Bug] There is not any InfiniBand or NVLink in my 4-GPU machine, how can I use mscclpp to communicate? #397

Maphsge4 opened this issue Dec 2, 2024 · 1 comment

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@Maphsge4
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Maphsge4 commented Dec 2, 2024

IndexError: IB transport out of range: 0 >= 0

Can I avoid using IB to communicate? Thanks for answering my question!
@chenhongyu2048
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For reference: use cudaipc

mscclpp::Transport transport = mscclpp::Transport::CudaIpc;

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@chenhongyu2048 @Maphsge4