No sure I can fully answer that question, but you could add --display-map to the mpirun command and it will tell you how many we *think* we started on each node.
On Jun 23, 2012, at 1:33 PM, Jack Bryan wrote: > Hi, > > I am running an OpenMPI program on a linux cluster with 4 quad cores per > node. > > I use qstat -n jobID to check how many processes working in parallel and find > that : > > node160/15+node160/14+node160/13+node160/12+node160/11+node160/10+node160/9 > +node160/8+node160/7+node160/6+node160/5+node160/4+node160/3+node160/2 > +node160/1+node160/0+node166/15+node166/14+node166/13+node166/12+node166/11 > +node166/10+node166/9+node166/8+node166/7+node166/6+node166/5+node166/4 > +node166/3+node166/2+node166/1+node166/0+node173/15+node173/14+node173/13 > +node173/12+node173/11+node173/10+node173/9+node173/8+node173/7+node173/6 > +node173/5+node173/4+node173/3+node173/2+node173/1+node173/0+node175/15 > +node175/14+node175/13+node175/12+node175/11+node175/10+node175/9+node175/8 > +node175/7+node175/6+node175/5+node175/4+node175/3+node175/2+node175/1 > +node175/0 > > But, when I use ssh to be on a node , e..g ssh node175, > > I use top command to check how many processes working on node 175 and find > that > there are only one process working, not 8 processes. > > Would you please tell me how to check the processes number on one node ? > > Any help will be appreciated. > > Thanks > > Jinxu Ding > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users