[sims@raritan openmpi]$ mpirun -V mpirun (Open MPI) 1.3.1rc4 ________________________________________ From: users-boun...@open-mpi.org [users-boun...@open-mpi.org] On Behalf Of Ralph Castain [r...@open-mpi.org] Sent: Thursday, July 23, 2009 5:44 PM To: Open MPI Users Subject: Re: [OMPI users] Open MPI:Problem with 64-bit openMPI and intel compiler
What OMPI version are you using? On Jul 23, 2009, at 3:00 PM, Sims, James S. Dr. wrote: > I have an OpenMPI program compiled with a version of OpenMPI built > using the ifort 10.1 > compiler. I can compile and run this code with no problem, using the > 32 bit > version of ifort. And I can also submit batch jobs using torque with > this 32-bit code. > However, compiling the same code to produce a 64 bit executable > produces a code > that runs correctly only in the simplest cases. It does not run > correctly when run > under the torque batch queuing system, running for awhile and then > giving a > segmentation violation in s section of code that is fine in the 32 > bit version. > > I have to run the mpi multinode jobs using our torque batch queuing > system, > but we do have the capability of running the jobs in an interactive > batch environment. > > If I do a qsub -I -l nodes=1:x4gb > I get an interactive session on the remote node assigned to my job. > I can run the > job using either > ./MPI_li_64 or > mpirun -np 1 ./MPI_li_64 > and the job runs successfully to completion. I can also > start an interactive shell using > qsub -I -l nodes=1:ppn=2:x4gb > and I will get a single dual processor (or greater node). On this > single node, > mpirun -np 2 ./MPI_li_64 works. > However, if instead I ask for two nodes in my interactive batch node, > qsub -I -l nodes=2:x4gb, > Two nodes will be assigned to me but when I enter > mpirun -np 2 ./MPI_li_64 > the job runs awhile, then fails with a > mpirun noticed that process rank 1 with PID 23104 on node n339 > exited on signal 11 (Segmentation fault). > > I can trace this in the intel debugger and see that the segmentation > fault is occuring in what should > be good code, and in code that executes with no problem when > everything is compiled 32-bit. I am > at a loss for what could be preventing this code to run within the > batch queuing environment in the > 64-bit version. > > Jim > _______________________________________________ > 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
