Re: [OMPI users] TCP usage in MPI singletons

2019-04-19 Thread Daniel Hemberger
I_MCA_pml=ob1 > OMPI_MCA_btl=vader,self ./program > > > Cheers, > > > Gilles > > On 4/18/2019 3:51 AM, Daniel Hemberger wrote: > > Hi everyone, > > > > I've been trying to track down the source of TCP connections when > > running MPI singleto

[OMPI users] TCP usage in MPI singletons

2019-04-17 Thread Daniel Hemberger
Hi everyone, I've been trying to track down the source of TCP connections when running MPI singletons, with the goal of avoiding all TCP communication to free up ports for other processes. I have a local apt install of OpenMPI 2.1.1 on Ubuntu 18.04 which does not establish any TCP connections by d