byronyi commented on issue #5826: Does MXNet support RDMA over Converged Ethernet (ROCE) URL: https://github.com/apache/incubator-mxnet/issues/5826#issuecomment-349533758 @weijianwen We are primarily targeting on RoCEv2 deployment, but in principle it should require no modification to support RoCEv1, InfiniBand and iWARP. We do not plan to support GPU/Xeon Phi Direct RDMA at this stage, as it seems inter-node communication, i.e. pslite, is largely agnostic to the actual worker processors. It might require significant refactoring or re-design on MXNet's side as well, and I do hope you MXNets developers could shed some light on this direction. I know little about Omni-Path, but I heard that Intel does support the same verbs interface as defined in RDMA specification (RFC 5040).
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