Debugging mpirun... the best way to debug the problem depends on what the problem is of course. The debug options in mpirun are more for the applications than mpirun itself I think. What sort of problem are you having?
Jeremy
At 10:21 AM 9/25/2003 -0700, Bernard Li wrote:
Hi Jeremy:
I was using mpiBLAST with PBS previously but it didn't quite work - so right now I'm just trying to use mpirun from the command-line. I will try pushing out the machinefile to all the nodes and give it a shot again.
In general, what's the best way of debugging problems using mpirun? I tried using the debug options with mpirun to display more verbose information.
Thanks,
Bernard
Jeremy Enos wrote:
If you're using mpirun on your compute nodes, you'll need to specify a machinefile. You either have to custom create one or, if in the PBS environment, use -machinefile $PBS_NODEFILE. It also won't hurt to push out the machinefile from the server which is correctly set up.
Jeremy
At 05:34 PM 9/24/2003 -0700, Bernard Li wrote:
Hi list:
Currently trying to get our mpiBLAST working - I tend to think that there might be a problem with mpich itself because I tried to run the tstmachines script and it gave me a bunch of errors.
Just a quick question - the file:
/opt/mpich-1.2.5.10-ch_p4-gcc/share/machines.LINUX
on the OSCAR head node has correct entries for our slave nodes - however, the same file under the other nodes, have I guess default 'mpich' entries (i.e. cartwire.ncsa.uiuc.edu).
Is this a problem? Should I propagate the right file to all the nodes?
Thanks,
Bernard
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