Re: [OMPI devel] Open MPI BTL TCP interface mapping

2020-01-09 Thread Zhang, William via devel
Hello George, Are you referring to OMPI_MCA_btl_tcp_links parameter? If so, the graph matching will have no issue matching the increased links (It will just increase the time it takes for each process to do so – refer to the graph in the PR (Total Time Spent in add_procs per Process). Theoretic

Re: [OMPI devel] Open MPI BTL TCP interface mapping

2020-01-09 Thread George Bosilca via devel
Will, The 7134 issue is complex in its interactions with the rest of the TCP BTL, and I could not find the time to look at it careful enough (or test it on AWS). But maybe you can address my main concern here. #7134 interfaces selection will have an impact on the traffic distribution among the dif

Re: [OMPI devel] Open MPI BTL TCP interface mapping

2020-01-09 Thread Zhang, William via devel
Hello devel, Thanks George for reviewing: https://github.com/open-mpi/ompi/pull/7167 Can I get a review (not from Brian) for this patch as well: https://github.com/open-mpi/ompi/pull/7134 These PR’s fix common matching bugs that users utilizing the tcp btl encounter. It has been proven to fix