Re: [OMPI users] Disabling tuned collectives in OMPI 1.3.3

2009-10-29 Thread Ralph Castain
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

[OMPI users] Disabling tuned collectives in OMPI 1.3.3

2009-10-29 Thread David Gunter
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