quantum-espresso/PW/examples/example01/reference/si.scf.ppcg.out

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Program PWSCF v.6.3 starts on 26Jul2018 at 12:41:51
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);
"P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);
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 4 processors
MPI processes distributed on 1 nodes
R & G space division: proc/nbgrp/npool/nimage = 4
Waiting for input...
Reading input from standard input
Message from routine read_cards :
DEPRECATED: no units specified in ATOMIC_POSITIONS card
Message from routine read_cards :
ATOMIC_POSITIONS: units set to alat
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
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 63 63 21 682 682 132
Max 64 64 22 686 686 135
Sum 253 253 85 2733 2733 531
bravais-lattice index = 2
lattice parameter (alat) = 10.2000 a.u.
unit-cell volume = 265.3020 (a.u.)^3
number of atoms/cell = 2
number of atomic types = 1
number of electrons = 8.00
number of Kohn-Sham states= 4
kinetic-energy cutoff = 18.0000 Ry
charge density cutoff = 72.0000 Ry
convergence threshold = 1.0E-08
mixing beta = 0.7000
number of iterations used = 8 plain mixing
Exchange-correlation = SLA PZ NOGX NOGC ( 1 1 0 0 0 0)
celldm(1)= 10.200000 celldm(2)= 0.000000 celldm(3)= 0.000000
celldm(4)= 0.000000 celldm(5)= 0.000000 celldm(6)= 0.000000
crystal axes: (cart. coord. in units of alat)
a(1) = ( -0.500000 0.000000 0.500000 )
a(2) = ( 0.000000 0.500000 0.500000 )
a(3) = ( -0.500000 0.500000 0.000000 )
reciprocal axes: (cart. coord. in units 2 pi/alat)
b(1) = ( -1.000000 -1.000000 1.000000 )
b(2) = ( 1.000000 1.000000 1.000000 )
b(3) = ( -1.000000 1.000000 -1.000000 )
PseudoPot. # 1 for Si read from file:
/home/degironc/QE/gitlab/fork/q-e/pseudo/Si.pz-vbc.UPF
MD5 check sum: 9f25e6ff280f3123e9b3a84715b2e9c9
Pseudo is Norm-conserving, Zval = 4.0
Generated by new atomic code, or converted to UPF format
Using radial grid of 431 points, 2 beta functions with:
l(1) = 0
l(2) = 1
atomic species valence mass pseudopotential
Si 4.00 28.08600 Si( 1.00)
48 Sym. Ops., with inversion, found (24 have fractional translation)
Cartesian axes
site n. atom positions (alat units)
1 Si tau( 1) = ( 0.0000000 0.0000000 0.0000000 )
2 Si tau( 2) = ( 0.2500000 0.2500000 0.2500000 )
number of k points= 10
cart. coord. in units 2pi/alat
k( 1) = ( 0.1250000 0.1250000 0.1250000), wk = 0.0625000
k( 2) = ( 0.1250000 0.1250000 0.3750000), wk = 0.1875000
k( 3) = ( 0.1250000 0.1250000 0.6250000), wk = 0.1875000
k( 4) = ( 0.1250000 0.1250000 0.8750000), wk = 0.1875000
k( 5) = ( 0.1250000 0.3750000 0.3750000), wk = 0.1875000
k( 6) = ( 0.1250000 0.3750000 0.6250000), wk = 0.3750000
k( 7) = ( 0.1250000 0.3750000 0.8750000), wk = 0.3750000
k( 8) = ( 0.1250000 0.6250000 0.6250000), wk = 0.1875000
k( 9) = ( 0.3750000 0.3750000 0.3750000), wk = 0.0625000
k( 10) = ( 0.3750000 0.3750000 0.6250000), wk = 0.1875000
Dense grid: 2733 G-vectors FFT dimensions: ( 20, 20, 20)
Estimated max dynamical RAM per process > 0.61 MB
Estimated total dynamical RAM > 2.42 MB
Initial potential from superposition of free atoms
starting charge 7.99901, renormalised to 8.00000
Starting wfcs are 8 randomized atomic wfcs
total cpu time spent up to now is 0.1 secs
Self-consistent Calculation
iteration # 1 ecut= 18.00 Ry beta= 0.70
PPCG style diagonalization
ethr = 1.00E-02, avg # of iterations = 4.0
Threshold (ethr) on eigenvalues was too large:
Diagonalizing with lowered threshold
PPCG style diagonalization
ethr = 7.71E-04, avg # of iterations = 1.2
total cpu time spent up to now is 0.1 secs
total energy = -15.84087318 Ry
Harris-Foulkes estimate = -15.86202006 Ry
estimated scf accuracy < 0.06187281 Ry
iteration # 2 ecut= 18.00 Ry beta= 0.70
PPCG style diagonalization
ethr = 7.73E-04, avg # of iterations = 4.5
total cpu time spent up to now is 0.2 secs
total energy = -15.84449359 Ry
Harris-Foulkes estimate = -15.84471627 Ry
estimated scf accuracy < 0.00178478 Ry
iteration # 3 ecut= 18.00 Ry beta= 0.70
PPCG style diagonalization
ethr = 2.23E-05, avg # of iterations = 4.5
total cpu time spent up to now is 0.2 secs
total energy = -15.84452644 Ry
Harris-Foulkes estimate = -15.84453183 Ry
estimated scf accuracy < 0.00005319 Ry
iteration # 4 ecut= 18.00 Ry beta= 0.70
PPCG style diagonalization
ethr = 6.65E-07, avg # of iterations = 4.0
total cpu time spent up to now is 0.2 secs
total energy = -15.84452724 Ry
Harris-Foulkes estimate = -15.84452723 Ry
estimated scf accuracy < 0.00000004 Ry
iteration # 5 ecut= 18.00 Ry beta= 0.70
PPCG style diagonalization
ethr = 5.47E-10, avg # of iterations = 5.9
total cpu time spent up to now is 0.3 secs
End of self-consistent calculation
k = 0.1250 0.1250 0.1250 ( 335 PWs) bands (ev):
-5.6037 4.6469 5.9570 5.9570
k = 0.1250 0.1250 0.3750 ( 338 PWs) bands (ev):
-5.0582 3.0177 4.9014 4.9911
k = 0.1250 0.1250 0.6250 ( 337 PWs) bands (ev):
-3.9881 1.3108 3.5167 3.9921
k = 0.1250 0.1250 0.8750 ( 343 PWs) bands (ev):
-2.4613 -0.5934 2.7228 3.5071
k = 0.1250 0.3750 0.3750 ( 341 PWs) bands (ev):
-4.5394 1.5911 3.8907 5.4639
k = 0.1250 0.3750 0.6250 ( 340 PWs) bands (ev):
-3.5489 0.3752 2.8566 4.2747
k = 0.1250 0.3750 0.8750 ( 347 PWs) bands (ev):
-2.2717 -0.7031 2.0785 3.2108
k = 0.1250 0.6250 0.6250 ( 344 PWs) bands (ev):
-2.8218 -0.4388 2.1615 4.3232
k = 0.3750 0.3750 0.3750 ( 350 PWs) bands (ev):
-4.0847 0.2306 5.1434 5.1434
k = 0.3750 0.3750 0.6250 ( 343 PWs) bands (ev):
-3.3345 -0.5841 3.9342 4.6558
highest occupied level (ev): 5.9570
! total energy = -15.84452726 Ry
Harris-Foulkes estimate = -15.84452726 Ry
estimated scf accuracy < 9.0E-09 Ry
The total energy is the sum of the following terms:
one-electron contribution = 4.79356317 Ry
hartree contribution = 1.07658365 Ry
xc contribution = -4.81491542 Ry
ewald contribution = -16.89975867 Ry
convergence has been achieved in 5 iterations
Forces acting on atoms (cartesian axes, Ry/au):
atom 1 type 1 force = -0.00000000 -0.00000000 -0.00000000
atom 2 type 1 force = 0.00000000 0.00000000 0.00000000
Total force = 0.000000 Total SCF correction = 0.000000
Computing stress (Cartesian axis) and pressure
total stress (Ry/bohr**3) (kbar) P= -10.28
-0.00006989 -0.00000000 -0.00000000 -10.28 -0.00 -0.00
-0.00000000 -0.00006989 0.00000000 -0.00 -10.28 0.00
-0.00000000 0.00000000 -0.00006989 -0.00 0.00 -10.28
Writing output data file silicon.save/
init_run : 0.02s CPU 0.02s WALL ( 1 calls)
electrons : 0.15s CPU 0.17s WALL ( 1 calls)
forces : 0.00s CPU 0.00s WALL ( 1 calls)
stress : 0.01s CPU 0.01s WALL ( 1 calls)
Called by init_run:
wfcinit : 0.01s CPU 0.01s WALL ( 1 calls)
potinit : 0.00s CPU 0.00s WALL ( 1 calls)
hinit0 : 0.01s CPU 0.01s WALL ( 1 calls)
Called by electrons:
c_bands : 0.13s CPU 0.14s WALL ( 6 calls)
sum_band : 0.02s CPU 0.02s WALL ( 6 calls)
v_of_rho : 0.00s CPU 0.00s WALL ( 6 calls)
mix_rho : 0.00s CPU 0.00s WALL ( 6 calls)
Called by c_bands:
init_us_2 : 0.00s CPU 0.00s WALL ( 150 calls)
ppcg_k : 0.11s CPU 0.12s WALL ( 60 calls)
wfcrot : 0.02s CPU 0.02s WALL ( 50 calls)
Called by sum_band:
Called by ppcg_*:
h_psi : 0.06s CPU 0.09s WALL ( 252 calls)
cdiaghg : 0.01s CPU 0.00s WALL ( 103 calls)
Called by h_psi:
h_psi:pot : 0.06s CPU 0.09s WALL ( 252 calls)
h_psi:calbec : 0.01s CPU 0.01s WALL ( 252 calls)
vloc_psi : 0.06s CPU 0.08s WALL ( 252 calls)
add_vuspsi : 0.00s CPU 0.00s WALL ( 252 calls)
General routines
calbec : 0.01s CPU 0.01s WALL ( 302 calls)
fft : 0.00s CPU 0.00s WALL ( 24 calls)
ffts : 0.00s CPU 0.00s WALL ( 6 calls)
fftw : 0.06s CPU 0.08s WALL ( 2326 calls)
Parallel routines
fft_scatt_xy : 0.00s CPU 0.01s WALL ( 2356 calls)
fft_scatt_yz : 0.02s CPU 0.02s WALL ( 2356 calls)
PWSCF : 0.27s CPU 0.29s WALL
This run was terminated on: 12:41:52 26Jul2018
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JOB DONE.
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