In not throwing my $.02 cent on this discussion ;)
On Feb 10, 2010, at 12:50 , Lisandro Dalcin wrote:
> PS: The following question is unrelated to this thread, but my
> curiosity+laziness cannot resist... Does Open MPI has some MCA
> parameter to add a synchronization at every collective call?
Yes we do. There is a special collective component, that will activate itself along with the selected one. "ompi_info --param coll sync" will show you the MCA parameters you need to set in order to activate it.