Open MPI User's Mailing List Archives

Subject: [OMPI users] TCP sockets opened by OpenMPI
From: Charles Salvia (chsalvia_at_[hidden])
Date: 2009-11-15 09:07:03

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With using TCP with OpenMPI 1.3.3, how many sockets does each process open
per peer-process? Does each process open a single socket to connect to each
peer-process, or does it use TWO sockets, one for sending, one for
receiving?

Thanks,

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