Thanks Elena. I'll have to think of a way to avoid this situation. Suman
On Wed, Dec 12, 2012 at 9:30 AM, Elena Pourmal <[email protected]>wrote: > > On Dec 11, 2012, at 9:33 PM, Suman Vajjala wrote: > > Hi, > > I thank you for the replies. The problem is that for creating a dataset > using H5Dcreate every processor has to know that dataset's size. Is there a > way of of doing it without the processors knowing the data size. > > > Yes, you can do this. > > You will need to use chunking and unlimited dimensions when you create > each dataset, and issue H5Dset_extent ( > http://www.hdfgroup.org/HDF5/doc/RM/RM_H5D.html#Dataset-SetExtent) to set > the correct size before writing. Unfortunately this call is also collective. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Elena Pourmal The HDF Group http://hdfgroup.org > 1800 So. Oak St., Suite 203, Champaign IL 61820 > 217.531.6112 > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Regards > Suman > > On Wed, Dec 12, 2012 at 8:58 AM, Elena Pourmal <[email protected]>wrote: > >> reate ia > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > >
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