Re: [AMBER-Developers] Minor diff in test result for kmmd/kmmd_pmemd and kmmd/kmmd_pmemd_gb

From: Åke Sandgren via AMBER-Developers <amber-developers.ambermd.org>
Date: Thu, 25 Aug 2022 16:16:08 +0200

Ok, I patched it to use -a 0.03 for the time being. That makes the test
suite pass for us.

On 8/25/22 15:45, Josh Berryman wrote:
> Well.... 0.064 kcal/mol is still not much, but it is looking like I
> might have to take the trouble myself to verify that this really is just
> some kind of rounding error.
>
> Please just ignore the test variance for now and I will get around to
> confirming if it is rounding, and then see if I can stabilise things
> numerically in any way, avoid dividing small numbers by small numbers etc.
>
> Josh
>
> On Thu, 25 Aug 2022 at 14:06, Åke Sandgren via AMBER-Developers
> <amber-developers.ambermd.org <mailto:amber-developers.ambermd.org>> wrote:
>
> And after "fixing" those two tests (-a 0.01)
> I get this instead
>
> ===
> b-an02 [~/Projects/easybuild-dev/easybuild-framework]$ less
> /dev/shm/eb-ake/Amber/22.0/foss-2021b-AmberTools-22.3/test/kmmd/kmmd_pmemd/mdout.MPI.dif
>
>
> 918c918
> <  EELEC  =        90.4140  EHBOND  =         0.  RESTRAINT  =
> 0.4002
>  >  EELEC  =        90.4141  EHBOND  =         0.  RESTRAINT  =
> 0.4259
> 919c919
> <  EAMBER (non-restraint)  =       124.5939
>  >  EAMBER (non-restraint)  =       124.5681
> ### Maximum absolute error in matching lines = 2.58e-02 at line 919
> field 4
> ### Maximum relative error in matching lines = 6.42e-02 at line 918
> field 9
> ===
>
> How about that one?
>
> On 8/25/22 12:46, Åke Sandgren via AMBER-Developers wrote:
> > And if it should be +-0.01 kcal/mol the test needs to be
> something else
> > than -t 3 since that would allow up to +-0.09 kcal/mol
> >
> > On 8/25/22 12:43, Åke Sandgren via AMBER-Developers wrote:
> >>
> >>
> >> On 8/25/22 11:28, Josh Berryman wrote:
> >>> I'm happy to allow 0.01 of a kcal/mol deviation.  Will you make
> the
> >>> commit Ake?
> >>
> >> The test needs to do -t 3 apparently, I misinterpreted the -t flag
> >> initially.
> >>
> >> I don't have commit access to the repo, only read (I hope)
> >>
> >>> Josh
> >>>
> >>> On Thu, 25 Aug 2022 at 10:51, Åke Sandgren via AMBER-Developers
> >>> <amber-developers.ambermd.org
> <mailto:amber-developers.ambermd.org>
> <mailto:amber-developers.ambermd.org
> <mailto:amber-developers.ambermd.org>>>
> >>> wrote:
> >>>
> >>>     Hi!
> >>>
> >>>     When building here with GCC 11.2.0 I get a small diff in
> kmmd_pmemd
> >>>     test
> >>>     results. Should the test be changed from dacdif -t 2 to
> dacdif -t
> >>> 1  or
> >>>     is that to aggressive?
> >>>
> >>>     ===
> >>>     b-an02 [/scratch/ake/amber22/amber22_src]$ cat
> >>>
> /dev/shm/eb-ake/Amber/22.0/foss-2021b-AmberTools-22.3/test/kmmd/kmmd_pmemd/mdout.dif
>
> >>>
> >>>     919c919
> >>>     <  EAMBER (non-restraint)  =       124.42
> >>>     ---
> >>>       >  EAMBER (non-restraint)  =       124.41
> >>>     ===
> >>>
> >>>     ===
> >>>     b-an02 [/scratch/ake/amber22/amber22_src]$ cat
> >>>
> /dev/shm/eb-ake/Amber/22.0/foss-2021b-AmberTools-22.3/test/kmmd/kmmd_pmemd_gb/mdout.dif
>
> >>>
> >>>     803c803
> >>>     <  EELEC  =        42.26  EGB     =        40.14  RESTRAINT  =
> >>>         1.20
> >>>     ---
> >>>       >  EELEC  =        42.26  EGB     =        40.14
> RESTRAINT  =
> >>>           1.19
> >>>     ===
> >>>
> >>>     --     Ake Sandgren, HPC2N, Umea University, S-90187 Umea,
> Sweden
> >>>     Internet: ake.hpc2n.umu.se <mailto:ake.hpc2n.umu.se>
> <mailto:ake.hpc2n.umu.se <mailto:ake.hpc2n.umu.se>>  Mobile: +46 70
> >>>     7716134  Fax: +46 90-580 14
> >>>     WWW: http://www.hpc2n.umu.se <http://www.hpc2n.umu.se>
> <http://www.hpc2n.umu.se <http://www.hpc2n.umu.se>>
> >>>
> >>>     _______________________________________________
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> >>>
> >>
> >
>
> --
> Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
> Internet: ake.hpc2n.umu.se <mailto:ake.hpc2n.umu.se>  Mobile: +46 70
> 7716134  Fax: +46 90-580 14
> WWW: http://www.hpc2n.umu.se <http://www.hpc2n.umu.se>
>
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-- 
Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet: ake.hpc2n.umu.se  Mobile: +46 70 7716134  Fax: +46 90-580 14
WWW: http://www.hpc2n.umu.se
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Received on Thu Aug 25 2022 - 07:30:04 PDT
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