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Tag Matching and Rendezvous Offload is a technology employed by NVIDIA to offload the processing of MPI messages from the host machine onto the network card. Employing this technology enables a zero copy of MPI messages, i.e. messages are scattered directly to the user’s buffer without intermediate buffering and copies. It also provides a complete rendezvous progress by NVIDIA devices. Such overlap capability enables the CPU to perform the application’s computational tasks while the remote data is gathered by the adapter.

Tag Matching Experimental Verbs



Tag Matching Experimental Capabilities


Tag Matching RDMA-Core Support

This feature is currently not supported by RDMA-Core.

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