On 8 Jan 2011, at 12:05, Hicham Mouline wrote:
> Hi
>
> Will MPI_Probe return that there is a message pending reception if the sender
> MPI_Bcast a message?
No.
> Is the only way to receive a broadcast from the root is to call MPI_BCast in
> the slave?
Yes.
Broadcast and the other collective operations are just that, "collective" and
have to be called from all ranks in a communicator with the same parameters and
in the same order.
Ashley.
--
Ashley Pittman, Bath, UK.
Padb - A parallel job inspection tool for cluster computing
http://padb.pittman.org.uk
