I gather there are two sockets on this node? So the second cmd line is equivalent to leaving "num-sockets" off of the cmd line?
I haven't tried what you are doing, so it is quite possible this is a bug. On Jul 16, 2012, at 1:49 PM, Anne M. Hammond wrote: > Thanks! > > Built the latest snapshot. Still getting an error when trying to run on only > one socket (see below): Is there a workaround? > > [hammond@node65 bin]$ ./mpirun -np 4 --num-sockets 1 --npersocket 4 hostname > -------------------------------------------------------------------------- > An invalid physical processor ID was returned when attempting to bind > an MPI process to a unique processor. > > This usually means that you requested binding to more processors than > exist (e.g., trying to bind N MPI processes to M processors, where N > > M). Double check that you have enough unique processors for all the > MPI processes that you are launching on this host. > > You job will now abort. > -------------------------------------------------------------------------- > -------------------------------------------------------------------------- > mpirun was unable to start the specified application as it encountered an > error: > > Error name: Fatal > Node: node65.cl.corp.com > > when attempting to start process rank 0. > -------------------------------------------------------------------------- > 4 total processes failed to start > > > [hammond@node65 bin]$ ./mpirun -np 4 --num-sockets 2 --npersocket 4 hostname > node65.cl.corp.com > node65.cl.corp.com > node65.cl.corp.com > node65.cl.corp.com > [hammond@node65 bin]$ > > > > > On Jul 16, 2012, at 12:56 PM, Ralph Castain wrote: > >> Jeff is at the MPI Forum this week, so his answers will be delayed. Last I >> heard, it was close, but no specific date has been set. >> >> >> On Jul 16, 2012, at 11:49 AM, Michael E. Thomadakis wrote: >> >>> When is the expected date for the official 1.6.1 (or 1.6.2 ?) to be >>> available ? >>> >>> mike >>> >>> On 07/16/2012 01:44 PM, Ralph Castain wrote: >>>> You can get it here: >>>> >>>> http://www.open-mpi.org/nightly/v1.6/ >>>> >>>> On Jul 16, 2012, at 10:22 AM, Anne M. Hammond wrote: >>>> >>>>> Hi, >>>>> >>>>> For benchmarking, we would like to use openmpi with >>>>> --num-sockets 1 >>>>> >>>>> This fails in 1.6, but Bug Report #3119 indicates it is changed in >>>>> 1.6.1. >>>>> >>>>> Is 1.6.1 or 1.6.2 available in tar.gz form? >>>>> >>>>> Thanks! >>>>> Anne >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >>> >>> >>> _______________________________________________ >>> 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 >> > > Anne M. Hammond - Systems / Network Administration - Tech-X Corp > hammond_at_txcorp.com 720-974-1840 > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users