[Pw_forum] convergence can't achieved with QE6.0.2 and 5.4.0

Q.J.Wang wangqj1 at 126.com
Mon May 8 07:18:21 CEST 2017


Dear QE developers,
The full input and output files are pasted as following:


 &CONTROL
                 calculation = 'relax' ,
                restart_mode = 'from_scratch' ,
                  pseudo_dir = '/home/wang/pseudo' ,
                      prefix = 'pf' ,
                       nstep = 300 ,
                     tprnfor = .true. ,
 /
 &SYSTEM
                       ibrav = 8,
                   celldm(1) = 28.346,
                   celldm(2) = 0.488,
                   celldm(3) = 0.596,
                         nat = 16,
                        ntyp = 3,
                     ecutwfc = 35 ,
                     ecutrho = 260 ,
                       nosym = .false. ,
                 occupations = 'smearing' ,
                     degauss = 0.02 ,
                       nspin = 2 ,
   starting_magnetization(3) = 0.5,
            exxdiv_treatment = 'gygi-baldereschi' ,
                  lda_plus_u = .true. ,
             lda_plus_u_kind = 0 ,
                Hubbard_U(3) = 4.5,
               Hubbard_J0(3) = 0.5,
 /
 &ELECTRONS
            electron_maxstep = 300,
                 mixing_mode = 'local-TF' ,
                 mixing_beta = 0.5 ,
             diagonalization = 'david' ,
 /
 &IONS
                ion_dynamics = 'bfgs' ,
                      upscale= 1000 ,
 /
ATOMIC_SPECIES
    S     32.06  S.pbe-n-kjpaw_psl.0.1.UPF
    Ge    72.59  Ge.pbe-kjpaw.UPF
    Co    58.93  Co.pbe-nd-rrkjus.UPF
ATOMIC_POSITIONS crystal
  S   0.2506999969482421   0.1243000030517581  -0.0000000000000000    1  1  1
  S   0.1080000028014180   0.3743000030517582   0.2505500018596650    1  1  1
  S   0.2506999969482421   0.6243000030517582   0.0000000000000000    1  1  1
  S   0.1080000028014180   0.8743000030517582   0.2505500018596650    1  1  1
  S   0.2506999969482421   0.1243000030517581   0.4999999999999998    1  1  1
  S   0.1080000028014180   0.3743000030517582   0.7505500018596648    1  1  1
  S   0.2506999969482421   0.6243000030517582   0.4999999999999998    1  1  1
  S   0.1080000028014180   0.8743000030517582   0.7505500018596648    1  1  1
 Ge   0.0939999967813492   0.1243000030517581   0.4340000003576278    1  1  1
 Co   0.2646999955177311   0.3743000030517582   0.1834499984979630    1  1  1
 Ge   0.0939999967813492   0.6243000030517582   0.4340000003576278    1  1  1
 Ge   0.2646999955177311   0.8743000030517582   0.1834499984979631    1  1  1
 Ge   0.0939999967813492   0.1243000030517581   0.9340000003576279    1  1  1
 Ge   0.2646999955177311   0.3743000030517582   0.6834499984979631    1  1  1
 Ge   0.0939999967813492   0.6243000030517582   0.9340000003576279    1  1  1
 Ge   0.2646999955177311   0.8743000030517582   0.6834499984979631    1  1  1
K_POINTS automatic
 1 3 3   0 0 0




The output file:


     Program PWSCF v.6.0 (svn rev. 13079) starts on  5May2017 at 15:16:24


     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",
     in publications or presentations arising from this work. More details at
     http://www.quantum-espresso.org/quote


     Parallel version (MPI), running on    32 processors
     R & G space division:  proc/nbgrp/npool/nimage =      32
     Waiting for input...
     Reading input from standard input


     Current dimensions of program PWSCF are:
     Max number of different atomic species (ntypx) = 10
     Max number of k-points (npk) =  40000
     Max angular momentum in pseudopotentials (lmaxx) =  3
               file S.pbe-n-kjpaw_psl.0.1.UPF: wavefunction(s)  3P renormalized
               file Ge.pbe-kjpaw.UPF: wavefunction(s)  4S renormalized
               file Co.pbe-nd-rrkjus.UPF: wavefunction(s)  4S 3D renormalized


     Subspace diagonalization in iterative solution of the eigenvalue problem:
     a serial algorithm will be used




     Parallelization info
     --------------------
     sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
     Min         253     136     36                14655     5785     798
     Max         254     138     38                14658     5787     801
     Sum        8107    4375   1169               468993   185157   25569






     bravais-lattice index     =            8
     lattice parameter (alat)  =      28.3460  a.u.
     unit-cell volume          =    6624.3219 (a.u.)^3
     number of atoms/cell      =           16
     number of atomic types    =            3
     number of electrons       =        85.00
     number of Kohn-Sham states=           52
     kinetic-energy cutoff     =      35.0000  Ry
     charge density cutoff     =     260.0000  Ry
     convergence threshold     =      1.0E-06
     mixing beta               =       0.5000
     number of iterations used =            8  local-TF  mixing
     Exchange-correlation      =  SLA  PW   PBE  PBE ( 1  4  3  4 0 0)
     nstep                     =          300




     celldm(1)=  28.346000  celldm(2)=   0.488000  celldm(3)=   0.596000
     celldm(4)=   0.000000  celldm(5)=   0.000000  celldm(6)=   0.000000


     crystal axes: (cart. coord. in units of alat)
               a(1) = (   1.000000   0.000000   0.000000 )
               a(2) = (   0.000000   0.488000   0.000000 )
               a(3) = (   0.000000   0.000000   0.596000 )


     reciprocal axes: (cart. coord. in units 2 pi/alat)
               b(1) = (  1.000000  0.000000  0.000000 )
               b(2) = (  0.000000  2.049180  0.000000 )
               b(3) = (  0.000000  0.000000  1.677852 )




     PseudoPot. # 1 for  S read from file:
     /home/wang/pseudo/S.pbe-n-kjpaw_psl.0.1.UPF
     MD5 check sum: 4d0aa7498161b95d6b336a838fdb998f
     Pseudo is Projector augmented-wave + core cor, Zval =  6.0
     Generated using "atomic" code by A. Dal Corso  v.5.0.2 svn rev. 9415
     Shape of augmentation charge: PSQ
     Using radial grid of 1151 points,  4 beta functions with:
                l(1) =   0
                l(2) =   0
                l(3) =   1
                l(4) =   1
     Q(r) pseudized with 0 coefficients
......................................................................
     one-electron contribution =    -910.78797779 Ry
     hartree contribution      =     484.08606418 Ry
     xc contribution           =    -201.99388284 Ry
     ewald contribution        =     230.35223553 Ry
     Hubbard energy            =       0.16968641 Ry
     one-center paw contrib.   =   -1355.33616563 Ry
     smearing contrib. (-TS)   =      -0.01567672 Ry


     total magnetization       =     2.31 Bohr mag/cell
     absolute magnetization    =     2.47 Bohr mag/cell


     convergence has been achieved in   6 iterations


     negative rho (up, down):  4.622E-02 4.591E-02


     Forces acting on atoms (Ry/au):


     atom    1 type  1   force =     0.00581021   -0.00263947    0.00678497
     atom    2 type  1   force =     0.01376296   -0.00466940    0.00777758
     atom    3 type  1   force =     0.00575713   -0.00674279    0.00683317
     atom    4 type  1   force =    -0.00437967   -0.00465536   -0.01043663
     atom    5 type  1   force =     0.00368567    0.00172134   -0.01762865
     atom    6 type  1   force =    -0.00169966   -0.00468960   -0.01594727
     atom    7 type  1   force =     0.00378233   -0.01108825   -0.01762898
     atom    8 type  1   force =    -0.00065837   -0.00465208   -0.01813616
     atom    9 type  2   force =    -0.00660559    0.00148699   -0.01948893
     atom   10 type  3   force =    -0.03560634    0.07015493    0.14605057
     atom   11 type  2   force =    -0.00677210   -0.01085718   -0.01934306
     atom   12 type  2   force =     0.00208925   -0.00465552   -0.03334974
     atom   13 type  2   force =     0.01013961   -0.00249984   -0.00484230
     atom   14 type  2   force =    -0.00181755   -0.00466404   -0.00422673
     atom   15 type  2   force =     0.01018410   -0.00687494   -0.00484869
     atom   16 type  2   force =     0.00232804   -0.00467477   -0.00156916


     Total force =     0.179000     Total SCF correction =     0.000018


     number of scf cycles    = 300
     number of bfgs steps    =   3


     energy   old            =   -1753.5257186124 Ry
     energy   new            =   -1753.5257168682 Ry


     CASE: energy  _new > energy  _old


     new trust radius        =       0.0001053782 bohr
     new conv_thr            =       0.0000000010 Ry




ATOMIC_POSITIONS (crystal)
S        0.250699886   0.124298313   0.000001713
S        0.108002516   0.374298238   0.250555374
S        0.250699717   0.624298263   0.000002169
S        0.107998206   0.874298339   0.250547990
S        0.250700259   0.124300230   0.499995739
S        0.107999360   0.374298188   0.750544959
S        0.250700414   0.624296176   0.499995743
S        0.107999190   0.874298396   0.750543956
Ge       0.093999561   0.124301391   0.433993435
Co       0.264696335   0.374326386   0.183488868
Ge       0.093999256   0.624295088   0.433993963
Ge       0.264700474   0.874298053   0.183439519
Ge       0.094002023   0.124298675   0.933999145
Ge       0.264699718   0.374298312   0.683448591
Ge       0.094002176   0.624297726   0.933999251
Ge       0.264700879   0.874298275   0.683449587






     Writing output data file pf.save
     Check: negative starting charge=(component1):   -0.085756
     NEW-OLD atomic charge density approx. for the potential


     Check: negative/imaginary core charge=   -0.000012    0.000000
     Check: negative starting charge=(component1):   -0.085756


     negative rho (up, down):  4.621E-02 4.592E-02
 Atomic wfc used for LDA+U Projector are NOT orthogonalized


     Writing output data file pf.save
     init_run     :      9.60s CPU      9.67s WALL (       1 calls)
     electrons    :  98117.65s CPU  98674.16s WALL (     300 calls)
     update_pot   :   1008.23s CPU   1013.60s WALL (     300 calls)
     forces       :   1706.26s CPU   1713.28s WALL (     300 calls)


     Called by init_run:
     wfcinit      :      4.26s CPU      4.28s WALL (       1 calls)
     potinit      :      1.57s CPU      1.58s WALL (       1 calls)


     Called by electrons:
     c_bands      :  74036.29s CPU  74253.25s WALL (   10422 calls)
     sum_band     :  10557.00s CPU  10731.74s WALL (   10422 calls)
     v_of_rho     :   1705.61s CPU   1710.65s WALL (   10560 calls)
     newd         :   3309.18s CPU   3433.42s WALL (   10560 calls)
     PAW_pot      :   2338.64s CPU   2343.39s WALL (   10860 calls)
     mix_rho      :   6238.94s CPU   6264.71s WALL (   10422 calls)


     Called by c_bands:
     init_us_2    :    537.40s CPU    542.78s WALL (  220460 calls)
     cegterg      :  72223.84s CPU  72432.20s WALL (  104220 calls)


     Called by sum_band:
     sum_band:bec :     25.77s CPU     26.05s WALL (  107220 calls)
     addusdens    :   4240.46s CPU   4390.12s WALL (   10422 calls)


     Called by *egterg:
     h_psi        :  32733.76s CPU  32855.42s WALL (  453699 calls)
     s_psi        :   7559.41s CPU   7577.77s WALL (  459709 calls)
     g_psi        :     93.85s CPU     94.74s WALL (  349469 calls)
     cdiaghg      :   9307.35s CPU   9325.74s WALL (  449069 calls)


     Called by h_psi:
     h_psi:pot    :  29601.13s CPU  29715.55s WALL (  453699 calls)
     h_psi:calbec :   6257.47s CPU   6272.03s WALL (  453699 calls)
     vloc_psi     :  16212.46s CPU  16294.87s WALL (  453699 calls)
     add_vuspsi   :   7126.73s CPU   7143.92s WALL (  453699 calls)
     vhpsi        :   2930.81s CPU   2937.80s WALL (  453699 calls)


     General routines
     calbec       :  11990.58s CPU  12016.30s WALL ( 1571848 calls)








Thank you very much for your kind help!


--

Best regards
 
Q.J.Wang
 
XiangTan University
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