On Apr 1, 2010, at 10:52 PM, longbow leo wrote: > Thanks a lot for your reply. > > Now the mpiblast run in only one node both inside and outside a torque job.
If you're inside a torque job and still seeing everything running on a single host, then something isn't quite right. Try running a simple diagnostic in a torque job: mpirun hostname Where "hostname" is just the normal Linux "hostname" command. It should show you all the hosts that it was launched on. > How could I setup a hostlist for open mpi? I haven't found this in the open > mpi faq. Thanks. It's in there somewhere. Just put one host per line in a file, like this: $ cat myhostfile host1 host2 host3 host4 $ mpirun --hostfile myhostfile ... -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/