[Users] [Einstein Toolkit] #66: IOHDF5::out3D_ghosts and friends doesn't work and corrupts 2D data slices

[Ian Hinder]

On 18 Oct 2011, at 15:51, Einstein Toolkit wrote:

> #66: IOHDF5::out3D_ghosts and friends doesn't work and corrupts 2D data slices
> -----------------------------------+----------------------------------------
>  Reporter:  bcmsma@…              |       Owner:  eschnett
>      Type:  defect                |      Status:  new     
>  Priority:  minor                 |   Milestone:          
> Component:  Carpet                |     Version:          
> Resolution:                        |    Keywords:          
> -----------------------------------+----------------------------------------
> 
> Comment (by rhaas):
> 
> The output_XXX ones work for out3d_vars (the "sliced" 3d output), they do
> not work for the legacy out_vars 3d output as you correclty point out. The
> former should produce identical output for grid functions (and maybe
> scalar and arrays though that is much less well tested). Its code cannot
> be used for checkpointing though which is why the old legacy code is still
> in (and I don't fully trust the new 3D code yet since it has not been
> active for very long).


I wasn't really aware of the new-style 3D output method.  Does this method allow for parallel output (i.e. one file per process)?  If not, then I worry that it might be quite slow.

-- 
Ian Hinder
http://numrel.aei.mpg.de/people/hinder

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