[Users] Enhancements to Multipole

Erik Schnetter schnetter at cct.lsu.edu
Fri Dec 17 15:09:23 CST 2010

Let's add the new feature first, and not try to do too many things at
once. For example, we haven't even tried the HDF5 output yet. There is
no urgency to switch defaults now.

Let's apply the patch now (or once it follows the Cactus conventions
for truncating output files), and then see what happens. Let's not
hold up the patch with this discussion.


On Fri, Dec 10, 2010 at 11:09 AM, Frank Loeffler <knarf at cct.lsu.edu> wrote:
> Hi,
> On Fri, Dec 10, 2010 at 11:42:42AM +0100, Ian Hinder wrote:
>> This is a good idea in any case.  But I don't think that activating or deactivating a thorn should change the output behaviour of another thorn - it is too unexpected.
> Isn't that what would be introduced with the optional dependency on
> HDF5? One could see at this way: by default hdf5 is used, but there is
> also a fallback to ascii in case someone doesn't have hdf5 for whatever
> reason - so that the thorn is still usable. No parameter file would have
> to be changed for example. The simulation would still run.
>> Do people use the released version for production runs?  I don't.  But then, I also don't routinely update my main Cactus tree.  There is little enough development going on in critical areas that this doesn't seem important.
> Right. Therefore I think it would be ok to change the default behavior
> in the development version, as long as we don't forget to mention this
> in the release notes.
> Frank
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Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/

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