[Paraview] [Xdmf] Xdmf/HDF5 access during a long run?

[Berk Geveci]

Are you generating one big HDF5 file or one per time step or one per
time step per process?

On Tue, Sep 9, 2008 at 12:22 PM, Eric E. Monson <emonson at cs.duke.edu> wrote:
> Hello,
>
> So far we have just used Xdmf/HDF5 and ParaView to view data from
> small runs on a single machine, where we generate a time series as the
> simulation progresses by appending snapshots of the data to the same
> HDF5 file. As we work towards larger simulations (on a cluster) which
> will run much longer, my collaborators are wondering whether we will
> be able to view any of the data before the whole run is over? This
> could be a snapshot of the current state, or the ability to animate
> the data up to the most recent time step, and it wouldn't have to be
> an auto-update, as in "Animating Live Data" (although they would like
> this ability, too :).
>
> Do any of you have experience checking on your Xdmf/HFD5 data while
> it's being generated? And, if so, are there any special tricks to it?
> (I know I had trouble reading an HDF5 file one time that I hadn't
> closed properly, so I wouldn't be surprised if there are issues
> regarding whether the file is closed between writes, but I don't know
> if there are other issues, too.)
>
> Thanks for the help,
> -Eric
>
> ------------------------------------------------------
> Eric E Monson
> Duke Visualization Technology Group
>
>
>
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