On Mon, Sep 12, 2011 at 11:32:25AM -0400, Izaak Beekman wrote: > 2) I just want to make sure I am not misunderstanding the semantics of > the collective PHDF5 calls: the collective PHDF5 calls are > BLOCKING/SYNCHRONIZING, correct? That is to say, I don't need to add > explicit synchronization barriers between h5fcreate_f and h5dcreate_f, > correct?
it might technically be overstating things to call them synchronizing, but yes, all you need to worry about as an application is to ensure every process makes the call (see other discussion thread from earlier today). No need for additional synchronization. ==rob -- Rob Latham Mathematics and Computer Science Division Argonne National Lab, IL USA _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
