[Carpet] Lower-dimensional HDF5 output?

[Ulrich Sperhake]

I am quite happy with the current ascii output. If there is an additional 
hdf5 option, that's fine, though.

Cheers,

Uli


On Wed, 30 Aug 2006, Erik Schnetter wrote:

> We are currently using ASCII output for 0D and 1D output of grid functions.
> This has several disadvantages: There is much overhead, there are too many
> files, output happens on a single processor only, and the output is currently
> chunked.
> 
> One way out would be to implement lower-dimensional HDF5 output.  I imagine
> the same possibilities as for ASCII output, as in
> 
> IOHDF5::out1D_every = 16
> IOHDF5::out1D_vars = "..."
> IOHDF5::out1D_x = yes
> IOHDF5::out1D_x = no
> 
> After recovering, it would be much easier to eliminate overlapping datasets.
> 
> In addition, we could implement IOHDF5::one_file_per_group, which would reduce
> the number of output files.
> 
> There would be post-processing tools to create unchunked ASCII files from
> these HDF5 files.
> 
> Is there interest for such a feature?  Or would people prefer incremental
> improvements to ASCII output?
> 
> -erik
> 
> 

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Ulrich Sperhake                        Tel.  : ++49 3641 947146
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