The Alltoall should only return when all data is sent and received on the current rank, so there shouldn't be any race condition.
Cheers, Matthieu 2014-05-08 15:53 GMT+02:00 Spenser Gilliland <spen...@gillilanding.com>: > George & other list members, > > I think I may have a race condition in this example that is masked by > the print_matrix statement. > > For example, lets say rank one has a large sleep before reaching the > local transpose, will the other ranks have completed the Alltoall and > when rank one reaches the local transpose it is altering the data that > the other processors sent it? > > Thanks, > Spenser > > > -- > Spenser Gilliland > Computer Engineer > Doctoral Candidate > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users -- Information System Engineer, Ph.D. Blog: http://matt.eifelle.com LinkedIn: http://www.linkedin.com/in/matthieubrucher Music band: http://liliejay.com/
