The Alltoall should only return when all data is sent and received on
the current rank, so there shouldn't be any race condition.
2014-05-08 15:53 GMT+02:00 Spenser Gilliland <spenser_at_[hidden]>:
> 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?
> Spenser Gilliland
> Computer Engineer
> Doctoral Candidate
> users mailing list
Information System Engineer, Ph.D.
Music band: http://liliejay.com/