Re: [AMBER] AMBER pmemd and pmemd.cuda, not restart files after minimization - fort.16 file instead

From: Marko Wehle <Marko.Wehle.mpikg.mpg.de>
Date: Wed, 30 Jan 2013 21:14:46 +0100

Dear Jason, thank you for the reply and info.
We'll try again and if something goes wrong again I'll report it.

Marko

>
> Hello Amber Developers and Users,
> I'm experiencing a behavior of the AMBER11 pmemd and pmemd.cuda version,
> as well in AMBER12 pmemd.cuda, that is new to me.
> They write out an empty restart file after minimization and put the actual
> coordinates in an fort.16 called file.
> Simulations do fine.
> After a search on the web I found the following entry:
>
> http://archive.ambermd.org/201207/0216.html
>
> that exactly describes this behavior.
> The suggestion for solving the problem was recompiling AMBER11 with all
> patches applied.
> Unfortunately I could not find any further comments regarding this issue.
>

bugfix.23 for Amber 11 and bugfix.7 for Amber 12 should fix this issue...
 You can use ./patch_amber.py --patch-level in Amber 12 to see which
patches have been applied.


> But what is irritating here, we've got this particular problem only after
> we applied all the patches while recompiling AMBER11 and AMBER12 last week.
> It concerns the pmemd.cuda in AMBER12 only, but in AMBER11 both pmemd and
> pmemd.cuda.
> Before recompiling I did not observe this issues. The compile routine and
> the installation routine went fine so far and no errors were reported.
>

bugfix.1 for Amber 12 and bugfix.22 for Amber 11 actually introduced this
issue, but I haven't seen them occur since the previous patches I mentioned
were released.

A temporary workaround is, of course, to use the fort.16 file instead (but
that won't work particularly well in an automated workflow).

Good luck,
Jason
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Received on Wed Jan 30 2013 - 12:30:03 PST
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