it just uses a different algorithm which avoids the bcast on a communicator of 1 (which is causing the problem here).
Thanks Edgar On 3/28/2012 12:08 PM, Rodrigo Oliveira wrote: > Hi Edgar, > > I tested the execution of my code using the option -mca coll ^inter as > you suggested and the program worked fine, even when I use 1 server > instance. > > What is the modification caused by this parameter? I did not find an > explanation about the utilization of the module coll inter. > > Thanks a lot for your attention and for the solution. > > Best regards, > > Rodrigo Oliveira > > On Tue, Mar 27, 2012 at 1:10 PM, Rodrigo Oliveira > <rsilva.olive...@gmail.com <mailto:rsilva.olive...@gmail.com>> wrote: > > > Hi Edgar. > > Thanks for the response. I just did not understand why the Barrier > works before I remove one of the client processes. > > I tryed it with 1 server and 3 clients and it worked properly. After > I removed 1 of the clients, it stops working. So, the removal is > affecting the functionality of Barrier, I guess. > > Anyone has an idea? > > > On Mon, Mar 26, 2012 at 12:34 PM, Edgar Gabriel <gabr...@cs.uh.edu > <mailto:gabr...@cs.uh.edu>> wrote: > > I do not recall on what the agreement was on how to treat the size=1 > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
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