On Fri, Aug 14, 2015 at 1:56 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com > wrote:
> Note, too, that these variables are likely only changeable before MPI_INIT. > > I didn't check these specific variables, but at least the > btl_self_eager_limit variable is likely only read/used for setup during > MPI_INIT. coll_tuned_bcast_algorithm may only be used before a > communicator is setup (although I don't know that for sure offhand). > It is read before every communicator creation. So technically one can change the algorithm dynamically for each communicator. George. > > > > > On Aug 14, 2015, at 1:50 PM, George Bosilca <bosi...@icl.utk.edu> wrote: > > > > They are considered as control variables, so use the cvar version and > you should get them. > > > > George. > > > > > > On Fri, Aug 14, 2015 at 11:14 AM, Khalid Hasanov <xali...@gmail.com> > wrote: > > Hello, > > > > I am trying to use MPI_T interface to set coll_tuned_bcast_algorithm mca > parameter during run time, however I was not successful to do that. > > > > I wonder if is it currently supported in Open MPI. > > > > I had the same problem with setting btl_self_eager_limit parameter. > > > > The code I am using attached below. > > > > > > Thanks. > > > > > > -- > > Best Regards, > > Khalid > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/08/27470.php > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/08/27473.php > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/08/27474.php >
