On Mon, Jul 23, 2018 at 1:17 PM, Christoph Junghans <[email protected]>
wrote:

> On Mon, Jul 23, 2018 at 2:39 AM, 'Andrey Brukhno' via votca
> <[email protected]> wrote:
> >
> > On Mon, Jul 23, 2018 at 2:22 AM, Christoph Junghans <[email protected]>
> > wrote:
> >>
> >> On Sun, Jul 22, 2018 at 1:27 PM, 'Andrey Brukhno' via votca
> >> <[email protected]> wrote:
> >> > Thanks for your reply Christoph.
> >> >
> >> > I did check it, but inverse.log does not contain sufficient info, see
> >> > the
> >> > extract below.
> >> > I will be investigating it further to make sure I did not do anything
> >> > stupid
> >> > myself, although I haven't changed much for the test iteration except
> >> > recompiling the tpr files for the newer version of Gromacs).
> >> The " rdf calculation is already done" tells me that this is not a run
> >> from scratch.
> >> Try a fresh run, because some chance in the xml don't get populated
> >> until the next iteration step.
> >>  And grep for "csg_stat" (not rdf), you should see actually command,
> >> which got run, e.g.:
> >> "Running critical command 'csg_stat --nt 4 --options settings.xml
> >> --top topol.tpr --trj traj.xtc --begin 20 --first-frame 0' "
> >> From that you can see if all the options are read as excepted.
> >>
> >
> > I knew you were going to say this...
> > As a matter of fact, there is no such message from calc_rdf_generic.sh,
> but
> > instead:
> >
> >   msg "Calculating rdfs with csg_stat using $tasks tasks"
> >   critical csg_stat --nt $tasks --options "$CSGXMLFILE" --top "$topol"
> --trj
> > "$traj" --begin $equi_time --first-frame $first_frame ${error_opts}
> > ${maps:+--cg ${maps}}
> >   mark_done "rdf_calculation${suffix}"
> Well the "critical" function includes the print statement:
> critical() {
>   [[ $quiet = "no" ]] && echo "Running critical command '$*'" >&2
>    "$@" || die "${FUNCNAME[0]}: '$*' failed"
> }
> So I am not sure when that got lost in your case.
> >
> > so I had to add this after the msg and before the csg_stat call:
> >   echo "Doing: critical csg_stat --nt $tasks --options "$CSGXMLFILE"
> --top
> > "$topol" --trj "$traj" --begin $equi_time --first-frame $first_frame
> > ${error_opts} ${maps:+--cg ${maps}}"
> >
> > This shows me that topol-rdf.tpr is actually used (extract from
> > inverse.log):
> >
> > Make update for ibi
> > Calculating rdfs with csg_stat using 4 tasks
> > Doing: critical csg_stat --nt 4 --options
> > /home/andrey/Work/Models/DOPC-long-wtip4p-new/ibi-Rc1.65nm-
> freeN-dihs_CG-fits1-151cT/dopc_cg-int-map11.xml
> > --top topol-rdf.tpr --trj traj.xtc --begin 0 --first-frame 0
> --block-length
> > 1000000 --ext dist.block --cg
> > /home/andrey/Work/Models/DOPC-long-wtip4p-new/ibi-Rc1.65nm-
> freeN-dihs_CG-fits1-151cT/dopc_cg-map11.xml;
> > begin to calculate distribution functions
> >
> > However, the distributions are still wrong, and I am lost now as to which
> > program to blame (again all the initial files are the same as in my
> previous
> > iteration).
> > I compared the outputs of `gmx dump topol-rdf.tpr' and `gmx dump
> topol.tpr'
> > generated with the new Gromacs and everything seems alright, the relevant
> > differences in exclusion lists are there.
> > The problem is also that the original calculation was done on a cluster
> more
> > than a year ago, so I cannot reproduce exactly all the installation
> setup,
> > not on my desktop anyway. But I know that those calculations were correct
> > and well converged.
> >
> > So something should have changed somewhere within the newly installed
> > Gromacs/VOTCA combination.
> You can see what VOTCA has with:
> csg_dump --top topol-rdf.tpr --cg dopc_cg-map11.xml
>

OK, but its output does not contain any info about the exclusions.


>
> Remember, if you are using a mapping file ("--cg" option) exclusions
> from the topology file are ignored and the ones from the mapping file
> are used instead.
>

Alright, this must be the root of my problem!
Apparently, in v1.3 csg_stat would take the exclusions from tpr, not xml,
because I never provided any exclusion list in any xml file, but it did
work correctly!

I will look into this again.

Andrey


>
> Christoph
> >
> > Andrey
> >
> >> Christoph
> >> >
> >> > Andrey
> >> > -----
> >> > $ grep rdf inverse.log
> >> > ...
> >> > cp_from_main_dir: 'grompp.mdp* topol.top* topol-rdf.tpr table_??.xvg
> >> > index.ndx* conf.gro*'
> >> > cp_from_main_dir: 'grompp.mdp* topol.top* topol-rdf.tpr table_??.xvg
> >> > index.ndx* conf.gro*'
> >> > cp_from_main_dir: 'grompp.mdp* topol.top* topol-rdf.tpr table_??.xvg
> >> > index.ndx* conf.gro*'
> >> > cp_from_main_dir: 'grompp.mdp* topol.top* topol-rdf.tpr table_??.xvg
> >> > index.ndx* conf.gro*'
> >> > cp_from_main_dir: 'grompp.mdp* topol.top* topol-rdf.tpr table_??.xvg
> >> > index.ndx* conf.gro*'
> >> > ‘sim_0/topol-rdf.tpr’ -> ‘./topol-rdf.tpr’
> >> > Calculating rdfs with csg_stat using 4 tasks
> >> > Calculating average rdfs and its errors for interaction TCH-TCH
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCH-TCO
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCO-TCO
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCH-PO
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCH-NH
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCO-PO
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction TCO-NH
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction PO-PO
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction PO-NH
> >> > rdf calculation is already done
> >> > Calculating average rdfs and its errors for interaction NH-NH
> >> >
> >> >
> >> >
> >> > On Sun, Jul 22, 2018 at 1:26 PM, Christoph Junghans <
> [email protected]>
> >> > wrote:
> >> >>
> >> >> On Sat, Jul 21, 2018 at 9:01 PM, 'Andrey Brukhno' via votca
> >> >> <[email protected]> wrote:
> >> >> > Hello,
> >> >> >
> >> >> > I encountered a very strange (looks like legacy) issue with v1.4.1.
> >> >> > In my earlier IBI iterations (with v1.3) I normally used special
> >> >> > topol-rdf.tpr which was different from normal CG simulation
> topol.tpr
> >> >> > by
> >> >> > not
> >> >> > including the intra-molecular pairs in the RDF stats (done by
> >> >> > csg_stat).
> >> >> > I
> >> >> > wanted to make sure my previous results are reproduced by v1.4.1,
> so
> >> >> > copied
> >> >> > all the initialisation files into a new directory and tried to run
> >> >> > once
> >> >> > again. After the very first iteration I checked the obtained RDFs
> and
> >> >> > they
> >> >> > were all wrong - corresponding to normal topol.tpr (including
> >> >> > intra-pairs)
> >> >> > and not topol-rdf.tpr (excluding intra-pairs)!
> >> >> >
> >> >> > I guess there might have been changes made to locations or names of
> >> >> > tags
> >> >> > in
> >> >> > settings.xml between the VOTCA versions, but I could not identify
> >> >> > those
> >> >> > changes by referring to the most recent manual (both v1.4.1 and
> >> >> > development
> >> >> > versions).
> >> >> >
> >> >> > Below is the relevant extract from my settings.xml file.
> >> >> >
> >> >> > Any clue, hint, advice are most welcome!
> >> >> We haven't changes any tags in IBI since v1.4.1 and the special
> >> >> topology for IBI can be set by cg.inverse.<sim_prog>.rdf.topol,
> which
> >> >> you did below.
> >> >> You could try "grep csg_stat inverse.log" to figure out if the right
> >> >> topology got appended to the command line of csg_stat.
> >> >>
> >> >> Christoph
> >> >> >
> >> >> > Thanks in advance.
> >> >> > Andrey
> >> >> >
> >> >> > -----------
> >> >> >     <gromacs>
> >> >> >       <grompp>
> >> >> >         <bin>gmx grompp</bin>
> >> >> >         <!--opts></opts-->
> >> >> >       </grompp>
> >> >> >       <mdrun>
> >> >> >         <!--command>grmx-vtc-rerun.sh</command-->
> >> >> >         <!--command>mpirun -lsf mdrun_mpi</command-->
> >> >> >         <!--opts>-multidir sim_0 sim_1 sim_2 sim_3</opts-->
> >> >> >         <command>mpirun -n 4 mdrun_mpi</command>
> >> >> >         <opts>-multidir sim_0 sim_1 sim_2 sim_3 -tablep table.xvg
> >> >> > -tableb
> >> >> > table_b?.xvg table_a?.xvg table_d?.xvg</opts>
> >> >> >       </mdrun>
> >> >> >       <!--mdrun><opts>-nt 2</opts></mdrun-->
> >> >> >       <!-- trash so many frames at the beginning -->
> >> >> >       <equi_time>0</equi_time>
> >> >> >       <!-- grid for table*.xvg !-->
> >> >> >       <table_bins>0.001</table_bins>
> >> >> >       <!-- cut the potential at this value (gromacs bug) -->
> >> >> >       <pot_max>10000</pot_max>
> >> >> >       <!-- extend the tables to this value -->
> >> >> >       <table_end>2.5</table_end>
> >> >> >       <initial_configuration>maindir</initial_configuration>
> >> >> >       <rdf>
> >> >> >         <block_length><DESC>Length of the block for the error
> >> >> > analysis</DESC>
> >> >> >           1000000
> >> >> >         </block_length>
> >> >> >         <map><DESC>Special mapping file for rdf calculations needed
> >> >> > for
> >> >> > bonded interactions</DESC>
> >> >> >           dopc_cg-map11.xml
> >> >> >         </map>
> >> >> >         <topol><DESC> Gromacs binary topol (tpr) file to be used
> for
> >> >> > csg_stat</DESC>
> >> >> >           topol-rdf.tpr
> >> >> >         </topol>
> >> >> >         <with_errors>yes<DESC>calculate error on the rdf:
> >> >> > yes/no</DESC>
> >> >> >         </with_errors>
> >> >> >       </rdf>
> >> >> >     </gromacs>
> >> >> > -----------
> >> >> >
> >> >> > --
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> >> >>
> >> >>
> >> >> --
> >> >> Christoph Junghans
> >> >> Web: http://www.compphys.de
> >> >>
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> >> Christoph Junghans
> >> Web: http://www.compphys.de
> >>
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> Christoph Junghans
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