[Users] Thorn ADM

Ian Hinder ian.hinder at aei.mpg.de
Wed Dec 4 09:28:33 CST 2013

On 3 Dec 2013, at 05:05, Frank Loeffler <knarf at cct.lsu.edu> wrote:

> Hi
> I would like to take thorn ADM out of the Einstein Toolkit thornlist
> entirely. It's using ADMMacros (with all the problems that come with
> it), all test cases use a static conformal metric , which isn't
> supported anymore and which let's them currently all fail as well.
> I just committed a bunch of changes to testsuites of other thorns that
> were using ADM. Most of them were trivial, in one case I had to create a
> new testsuite using ML_BSSN instead. Now no testsuite of another thorn
> within the toolkit uses ADM. It's time to retire it. If somebody really
> would like to use ADM it would likely be better to look at ML_ADM
> instead (which isn't in the toolkit, but could probably be if there is
> interest).
> Please object here loudly if you disagree. If we don't hear from you in
> some time, thorn ADM will be removed from the thornlist and will no
> longer be part of releases.

Hi Frank,

On what timescale will the thorn be removed?  As long as it is in the thornlist, its tests fail.  Having failing tests is bad, as it obscures new failures.  Since the test cases use the now-unsupported static conformal metric, I suggest that they are removed now, even if the thorn itself remains in the thornlist for some time.  In the very unlikely event that someone wants to resurrect the test cases, they are in the version history anyway.

Ian Hinder

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