Re: [OMPI users] max entries in procgroup file for OpenMPI 1.5?

2011-08-18 Thread BRADLEY, PETER C PW
I just wanted to report back that path 2824 is working great! Thanks, Pete From: BRADLEY, PETER C PW Sent: Sunday, July 10, 2011 8:58 PM To: 'us...@open-mpi.org' Subject: max entries in procgroup file for OpenMPI 1.5? I know 1.4.x has a limit of 128 entries for procgroup files.

[OMPI users] MPIIO and EXT3 file systems

2011-08-18 Thread Tom Rosmond
We have a large fortran application designed to run doing IO with either mpi_io or fortran direct access. On a linux workstation (16 AMD cores) running openmpi 1.5.3 and Intel fortran 12.0 we are having trouble with random failures with the mpi_io option which do not occur with conventional fortra

Re: [OMPI users] Bindings not detected with slurm (srun)

2011-08-18 Thread Ralph Castain
Afraid I am confused. I assume this refers to the trunk, yes? I also assume you are talking about launching an application directly from srun as opposed to using mpirun - yes? In that case, I fail to understand what difference it makes regarding this proposed change. The application process is

[OMPI users] Bindings not detected with slurm (srun)

2011-08-18 Thread pascal . deveze
Hi all, When slurm is configured with the following parameters TaskPlugin=task/affinity TaskPluginParam=Cpusets srun binds the processes by placing them into different cpusets, each containing a single core. e.g. "srun -N 2 -n 4" will create 2 cpusets in each of the two allocated nodes and