On Mar 2, 2012, at 12:14 PM, Jianzhang He wrote: > Sorry that I did not make it clear. Actually, we are able to run in this way > with less than 100 processes. > I put ‘hostname1.domain.com,1,2,3,4,5,6,7,8,9,…..,196,197,198,199’ in a > hostfile and it does not work. I wonder what might be the equivalent format > in a hostfile.
The correct format is one host name per line :-) > > Thaks, > Jianzhang > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Ralph Castain > Sent: Thursday, March 01, 2012 3:05 PM > To: Open MPI Users > Subject: Re: [OMPI users] run orterun with more than 200 processes > > You might try putting that list of hosts in a hostfile instead of on the cmd > line - you may be hitting some limits there. > > I also don't believe that you can add an orted in that manner - orterun will > have no idea how it got there and is likely to abort. > > On Mar 1, 2012, at 3:20 PM, Jianzhang He wrote: > > > Hi, > > I am not sure if this is the right place to post this question. If you know > where it is appropriate, please let me know. > > I need to run application that launches 200 processes with the command: > 1) orterun --prefix ./ -np 200 -wd ./ -host > hostname1.domain.com,1,2,3,4,5,6,7,8,9,…..,196,197,198,199 CMD > > Later, I will run a command to communicate with 1) with a command like: > 2) orted -mca ess env -mca orte_ess_ -mca orte_ess_vpid 100 -mca > orte_ess_num_procs 200 --hnp-uri "job#;tcp:/ hostname1.domain.com /:port#" > > The problem I have is I can only run with about 100 nodes. If the number is > higher, 1) will not invoke CMD and the total number of processes is about 130 > or so. > > My question is how to remove that limit? > > Thanks in advance. > > Jianzhang > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
