Hi Dave
I believe you can turn it "off" by setting
-mca coll ^tuned
This will tell the system to consider all collective modules -except- for
tuned.
HTH
Ralph
On Thu, Oct 29, 2009 at 12:13 PM, David Gunter wrote:
> We have a user who's hitting a hang in MPI_Allgather that totalview is
> show
We have a user who's hitting a hang in MPI_Allgather that totalview is
showing is in a tuned collective operation.
How do we disable the use of tuned collectives? We have tried setting
the priority to 0 but maybe that wasn't the correct way:
mpirun -mca coll_tuned_priority 0 ...
Should it