I tried, --map-by ppr:12:node --slot-list 0,2,4,6,8,10,12,14,16,18,20,22 --bind-to core -np 12
but it complains, "Conflicting directives for binding policy are causing the policy to be redefined: New policy: socket Prior policy: CORE Please check that only one policy is defined. " On Sun, Sep 13, 2015 at 2:57 AM, Ralph Castain <r...@open-mpi.org> wrote: > Try something like this instead: > > —map-by ppr:12:node —bind-to core —slot-list=0,2,4,6,8,… > > You’ll have to play a bit with the core numbers in the slot-list to get > the numbering right as I don’t know how your machine numbers them, and I > can’t guarantee it will work - but it’s worth a shot. If it doesn’t, then I > may have to add an option for such purposes > > Ralph > > On Sep 12, 2015, at 7:39 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > > Hi, > > We've a machine as in the following picture. I'd like to run 12 MPI procs > per node each bound to 1 core, but like shown in blue dots in the pictures. > I can use the following command to run 12 procs per node, but PE=1 makes > all the 12 processes will run in just 1 socket. PE=2 will make a process > bind to 2 cores, which is not what I want. > > --map-by ppr:12:node:PE=1,SPAN > > Thank you, > Saliya > > <image.png> > > -- > Saliya Ekanayake > Ph.D. Candidate | Research Assistant > School of Informatics and Computing | Digital Science Center > Indiana University, Bloomington > Cell 812-391-4914 > http://saliya.org > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/09/27558.php > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/09/27559.php > -- Saliya Ekanayake Ph.D. Candidate | Research Assistant School of Informatics and Computing | Digital Science Center Indiana University, Bloomington Cell 812-391-4914 http://saliya.org
