[Pw_forum] Problem in average.x

Giovanni Cantele giovanni.cantele at spin.cnr.it
Wed Sep 23 09:45:18 CEST 2015


Try to relaunch it on just one processor, usually it is very fast and it does not require parallelization.

Giovanni


> On 23 Sep 2015, at 00:06, Huang, Xu <xu-huang at uiowa.edu> wrote:
> 
> Dear all,
> 
> I'm using QE to plot the layer-averaged potential for hematite (Fe2O3) surface slabs. I did scf (pw.x) first, then got the potential (pp.x), and finally tried to make layer-averaged potential (average.x) along surface normal. The first 2 steps were successful and finished in ~10 minutes. But in the last step, the output file of average.x just stopped at the beginning for several days without any new update like this:
> ----------------------
>      Program AVERAGE v.5.1.1 starts on 20Sep2015 at 16:58:27 
> 
>      This program is part of the open-source Quantum ESPRESSO suite
>      for quantum simulation of materials; please cite
>          "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
>           URL http://www.quantum-espresso.org <http://www.quantum-espresso.org/>", 
>      in publications or presentations arising from this work. More details at
>      http://www.quantum-espresso.org/quote <http://www.quantum-espresso.org/quote>
> 
>      Parallel version (MPI), running on    16 processors
>      R & G space division:  proc/nbgrp/npool/nimage =      16
>      Reading header from file  Fe2O3.potential
> 
>    Info: using nr1, nr2, nr3 values from input
> 
>    Info: using nr1s, nr2s, nr3s values from input
> ----------------------
> 
> And currently the all the files in the working directory are:
>        2779 Sep 20 16:48 QEneonscript_pot_avg
>             2 Sep 20 16:49 results
>        2150 Sep 20 16:49 Fe2O3.scf.in
>            19 Sep 20 16:58 temp
>     127237 Sep 20 16:58 Fe2O3.scf.out
>          138 Sep 20 16:58 Fe2O3.pp.in
>  16051771 Sep 20 16:58 Fe2O3.potential
>         2263 Sep 20 16:58 Fe2O3.pp.out
>             39 Sep 20 16:58 Fe2O3.avg.in
>           696 Sep 20 16:59 Fe2O3.avg.out
> 
> I'm very confused about it. I don't know if I missed anything in the script for the last step. Here I added the entire run script (QEneonscript_pot_avg) of this calculation with all 3 steps below. Thank you very much for helping me with this!
> 
> Regards,
> Xu Huang
> 
> Below is the QEneonscript_pot_avg file:
> -----------------------------------------------------------
> #!/bin/bash
> #$ -S /bin/bash
> #$ -N uhv_pot
> #$ -cwd
> #$ -q UI
> #$ -l std_mem
> #$ -pe 16cpn 16
> 
> module load espresso/5.1.1
> BIN_DIR=/opt/quantum-espresso/5.1.1/
> 
> temp=$PWD/temp
> mkdir -p $temp
> 
> results=$PWD/results
> mkdir -p $results
> 
> cat > Fe2O3.scf.in <<EOF
> &CONTROL
>   calculation = 'scf',
>   pseudo_dir = '/Users/xhuang3/pwf/',
>   outdir='$temp/',
>   prefix = 'Fe2O3',
> /
> &SYSTEM
>   ibrav = 4,
>   celldm(1) = 9.536271655,
>   celldm(3) = 6.000000000,
>   nat = 30,
>   ntyp = 3,
>   ecutwfc = 35,
>   ecutrho = 280,
>   occupations = 'smearing',
>   smearing = 'mp',
>   degauss = 0.02,
>   nspin = 2,
>   starting_magnetization(1) =  0.5,
>   starting_magnetization(2) = -0.5,
> /
> &ELECTRONS
>   mixing_beta = 0.4,
>   conv_thr = 1.0d-6,
> /
> ATOMIC_SPECIES
>   Fe1  1.0  Fe.pbe-nd-rrkjus.UPF
>   Fe2  1.0  Fe.pbe-nd-rrkjus.UPF
>   O    1.0  O.pbe-rrkjus.UPF
> ATOMIC_POSITIONS {crystal}
> Fe1      0.333333330   0.333333330   0.019799034
> Fe2      0.666666670   0.000000000   0.060629428
> Fe2      0.000000000   0.666666670   0.075292861
> Fe1      0.333333330   0.333333330   0.135189943
> Fe1      0.666666670   0.000000000   0.155817104
> Fe2      0.000000000   0.666666670   0.210485936
> Fe2      0.333333330   0.333333330   0.232350369
> Fe1      0.666666670   0.000000000   0.287045648
> Fe1      0.000000000   0.666666670   0.307656149
> Fe2      0.333333330   0.333333330   0.367558597
> Fe2      0.666666670   0.000000000   0.382170005
> Fe1      0.000000000   0.666666670   0.423088504
> O       -0.008926107  -0.020983988   0.031308650
> O        0.321275458   0.675592765   0.031308650
> O        0.687650647   0.345391225   0.031308650
> O       -0.021172740   0.313345511   0.106625540
> O        0.667851616   0.687839421   0.106625540
> O        0.353321125  -0.001184934   0.106625540
> O        0.024534827   0.024970890   0.183306362
> O        0.333769369   0.642131830   0.183306362
> O        0.641695804   0.332897279   0.183306362
> O       -0.000469120   0.357826954   0.259526509
> O        0.691629403   0.667135802   0.259526509
> O        0.308839717  -0.024962756   0.259526509
> O       -0.019998485   0.001310105   0.336192461
> O        0.354641930   0.686665178   0.336192461
> O        0.665356554   0.312024717   0.336192461
> O        0.012004812   0.324454789   0.411508891
> O        0.645783306   0.654661835   0.411508891
> O        0.342211883   0.020883376   0.411508891
> K_POINTS (automatic)
>   4 4 1 1 1 1
> EOF
> 
> mpirun -n 16 $BIN_DIR/pw.x < Fe2O3.scf.in > Fe2O3.scf.out
> 
> cat > Fe2O3.pp.in <<EOF
> &inputpp
>   prefix = 'Fe2O3'
>   outdir='$temp/',
>   filplot = 'Fe2O3.potential'
>   plot_num = 1
> /
> EOF
> 
> mpirun -n 16 $BIN_DIR/pp.x < Fe2O3.pp.in > Fe2O3.pp.out
> 
> ### average calculation
> cat > Fe2O3.avg.in <<EOF
> 1
> Fe2O3.potential
> 1.0d0
> 480
> 3
> 4.000000
> EOF
> 
> mpirun -n 16 $BIN_DIR/average.x < Fe2O3.avg.in > Fe2O3.avg.out
> 
> mv Fe2O3.* $results/
> 
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-- 

Giovanni Cantele, PhD
CNR-SPIN
c/o Dipartimento di Fisica
Universita' di Napoli "Federico II"
Complesso Universitario M. S. Angelo - Ed. 6
Via Cintia, I-80126, Napoli, Italy
e-mail: giovanni.cantele at spin.cnr.it
Phone: +39 081 676910
Skype contact: giocan74

ResearcherID: http://www.researcherid.com/rid/A-1951-2009
Web page: http://people.na.infn.it/~cantele

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