>Terribly sorry, I should checked my own notes thoroughly before giving
>others advice. One needs to give the dynamic rules file location on the
>mpirun -mca coll_tuned_use_dynamic_rules 1 -mca
>That works for me with openmpi 1.4. I have not tried 1.4.1 yet.
Thanks, I will try it. VASP uses cartesian topology communicators.
Should the dynamic
rules work also for this case in openmpi-1.4 ? In openmpi-1.3.2 and
the dynamic rules specified via a dynamic rules file had no effect at
all for VASP.