Quincey, The H5Awrite only results in one rank writing the data though? Would you have any suggestions on how to speed up setting a number of attributes?
thanks, kevin harms On Jul 29, 2010, at 4:04 PM, Quincey Koziol wrote: > Hi Kevin, > > On Jul 29, 2010, at 3:36 PM, Kevin Harms wrote: > >> >> When you parallel-hdf5, do all attribute and group creations need to be >> called collectively by all ranks? > > Yes. All metadata modifications need to be collective operations. > >> Specifically for attributes, do all ranks have to participate in the >> H5Awrite, or does only one rank write the data? > > Currently, yes. > >> Lastly, if one has a series of H5Awrites, can those be packaged together so >> that there are a bunch of small writes being done? > > Not at this time. > > Quincey > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
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