Did you compile Open MPI in debug mode ? Without the debug mode no
output will be available.
george.
On Nov 9, 2006, at 1:53 PM, Kenneth Chiu wrote:
Sorry, I mistyped that. I should have known better than to
type rather than cut-and-paste. A cut-and-paste from
shell script is:
mpirun -np $SLURM_NPROCS -mca coll_base_verbose 1 -mca
coll_tuned_bcast_algorithm 0 /u/chiuk/cfd/main
On 11/9/2006 1:27 PM, George Bosilca wrote:
I think the name of the verbose argument is coll_base_verbose. You
can check using ompi_info.
ompi_info --param coll tuned | grep verbose
MCA coll: parameter "coll_base_verbose" (current
value: "0")
george.
On Nov 9, 2006, at 1:11 PM, Kenneth Chiu wrote:
I am having a hanging problem using bcast that I'm trying to track
down. I added the above, hoping to get some debugging output,
but didn't see any. I am using slurm in batch mode.
slurm -n 20 -b slurm_script.sh
and slurm_script.sh contains:
mpirun -np $SLURM_NPROCS --mca coll_tuned_base_verbose 1 /u/
chiuk/cfd/main
By the way, I also tried:
mpirun -np $SLURM_NPROCS --mca coll ^tuned /u/chiuk/cfd/main
but got the same hang. This is on odin.cs.indiana.edu.
Thanks.
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