Re: [OMPI users] OpenMPI 1.10.1 *ix hard/soft open files limits >= 4096 still required?

2016-03-18 Thread Lane, William
Ralph, For the following openMPI job submission: qsub -q short.q -V -pe make 84 -b y mpirun -np 84 --prefix /hpc/apps/mpi/openmpi/1.10.1/ --hetero-nodes --mca btl ^sm --mca plm_base_verbose 5 /hpc/home/lanew/mpi/openmpi/a_1_10_1.out I have some more information on this issue. All the server

Re: [OMPI users] Dynamically throttle/scale processes

2016-03-18 Thread Andrus, Brian Contractor
Gilles, Yep, that is what I am doing. I have the child processes wait for a message from the master before doing anything. Now I have to find a creative way to determine which processes to scale back as I allocate the work. I was just using modulo on the line number from the input, but if my

Re: [OMPI users] Fault tolerant feature in Open MPI

2016-03-18 Thread Ralph Castain
I don’t believe OMPI supports FTB, I’m afraid - you might want to post your question on an FTB mailing list (I don’t recall if that project is even active any more?) > On Mar 18, 2016, at 3:24 AM, Husen R wrote: > > Dear all, > > Thanks for the reply and valuable

Re: [OMPI users] Strange problem with mpirun and LIGGGHTS after reboot of machine

2016-03-18 Thread Thomas Jahns
Hi, On 03/17/2016 10:00 AM, Rainer Koenig wrote: I'm experiencing a strange problem with running LIGGGHTS on 48 core workstation running Ubuntu 14.04.4 LTS. If I cold boot the workstation and start one of the examples form LIGGGHTS then everything looks fine: $ mpirun -np 48 liggghts <

Re: [OMPI users] Fault tolerant feature in Open MPI

2016-03-18 Thread Husen R
Dear all, Thanks for the reply and valuable informations. I have configured MVAPICH2 using the instructions available in a resource provided by Xavier. I also have installed FTB (Fault-Tolerant Backplane) in order for MVAPICH2 to have process migration feature. however, I got the following