[mpich-discuss] HYDRA and kill process

Torquil Macdonald Sørensen torquil at gmail.com
Sat Mar 26 02:23:43 CDT 2011


On 25/03/11 15:27, Pavan Balaji wrote:
> 3. Did you try running one of the MPICH2 example programs (./examples/cpi)?

The 'cpi' example does not have the same problem.

I think I've determined the cause. There is something I forgot to mention in my 
original description. I was running

mpirun -n 8 time nice -n 19 prog.exe

in an effort to get low priority processes. Removing 'time' and 'nice' fixes the 
problem, i.e. using

mpirun -n 8 prog.exe

The 'time' command I can live without. Now I have to figure out how to set a low 
process priority without using 'nice'.

Thanks for all your help!

Best regards
Torquil Sørensen


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