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I believe you can turn it "off" by setting
-mca coll ^tuned
This will tell the system to consider all collective modules -except- for
On Thu, Oct 29, 2009 at 12:13 PM, David Gunter <dog_at_[hidden]> wrote:
> 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 have been a higher number or is there another param that should
> be set?
> David Gunter
> HPC-3: Infrastructure Team
> Los Alamos National Laboratory
> users mailing list