Hi, Sorry to my english May be anybody know about this ? How mpi process addressing the message to destination (rank 0 send rank 1)? Through LID, GID, QP ID or anything else? Where from mpi sender to know destination LID ? Can I strictly define outgoing LIDs for specific mpi process ? For example, with LMC = 3, a sender: rank 0, lid 1 communicate with rank 1 and rank 2 I want strictly define using multilid 4 for sending rank 0 to rank 1 (multilid 4 = DestLID for rank0 -> rank1) Thanks for all With best regards
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