On Mar 5, 2009, at 10:33 AM, Gerry Creager wrote:
> We've been playing with it in a coupled atmosphere-ocean model to
> the two to synchronize and exchange data. The models have differing
> levels of physics complexity and the time step requirements are
> significantly different. To sync them up we have to know where the
> timesteps are identical, stop the process, exchange data and continue.
> We've been playing with barrier to help.
I'm not sure I understand -- "help" meaning what?
If you're exchanging data at the end of an iteration, then you
effectively have a synchronization anyway -- no need for an extra