Yes but only one thread at each client is allowed to use MPI. Also, there is a semaphore on the MPI usage.
On Fri, Feb 26, 2010 at 1:09 AM, Brian Budge <brian.bu...@gmail.com> wrote: > Is your code multithreaded? > > On Feb 25, 2010 12:56 AM, "Amr Hassan" <amr.abdela...@gmail.com> wrote: > > Thanks alot for your reply, > > I'm using blocking Send and Receive. All the clients are sending data and > the server is receive the messages from the clients with MPI_ANY_SOURCE as > the sender. Do you think there is a race condition near this pattern? > > I searched a lot and used totalview but I couldn't detect such case. I > really appreciate if you send me a link or give an example of a possible > race condition in that scenario . > > Also, when I partition the message into smaller parts (send in sequence - > all the other clients wait until the send finish) it works fine. is that > exclude the race condition? > > > Regards, > Amr > > > > > >>We've seen similar things in our code. In our case it is probably due to > a > >>race condition.... > > > >>On Feb 24, 2010 9:36 PM, "Amr Hassan " <amr.abdelaziz_at_[hidden]> > wrote: > > >>Hi All, > > >>I'm ... > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
