Perhaps we should error out, but at the moment, PE=4 forces bind-to-core and so the bind-to socket is being ignored
> On May 19, 2016, at 12:06 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > > Hi, > > I understand --map-by will determine the process placement whereas --bind-to > will keep the processes pinned to the given resource. If this understanding > is correct, then I've got a doubt with the following. > > On a node with 2 sockets and 12 cores each, > > --map-by ppr:3:socket,PE=4 --bind-to socket > > My understanding is that this will give each process 4 cores. Now, with bind > to socket, does that mean it's possible that within a socket the assgined 4 > cores for a process may change? Or will they stay in the same 4 cores always? > > Thank you, > Saliya > > -- > Saliya Ekanayake > Ph.D. Candidate | Research Assistant > School of Informatics and Computing | Digital Science Center > Indiana University, Bloomington > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2016/05/29243.php