quantum-espresso/GWW/examples/example05/reference/si_scf_k.out

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Program PWSCF v.6.3 starts on 14Dec2018 at 22:16:31
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 & OpenMP), running on 64 processor cores
Number of MPI processes: 4
Threads/MPI process: 16
MPI processes distributed on 1 nodes
R & G space division: proc/nbgrp/npool/nimage = 4
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
Subspace diagonalization in iterative solution of the eigenvalue problem:
a serial algorithm will be used
Found symmetry operation: I + ( -0.5000 -0.5000 0.0000)
This is a supercell, fractional translations are disabled
Parallelization info
--------------------
sticks: dense smooth PW G-vecs: dense smooth PW
Min 124 124 36 2096 2096 340
Max 125 125 37 2097 2097 343
Sum 497 497 145 8385 8385 1365
bravais-lattice index = 8
lattice parameter (alat) = 10.2600 a.u.
unit-cell volume = 1080.0456 (a.u.)^3
number of atoms/cell = 8
number of atomic types = 1
number of electrons = 32.00
number of Kohn-Sham states= 16
kinetic-energy cutoff = 15.0000 Ry
charge density cutoff = 60.0000 Ry
convergence threshold = 1.0E-10
mixing beta = 0.5000
number of iterations used = 8 plain mixing
Exchange-correlation = SLA PZ NOGX NOGC ( 1 1 0 0 0 0)
celldm(1)= 10.260000 celldm(2)= 1.000000 celldm(3)= 1.000000
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 1.000000 0.000000 )
a(3) = ( 0.000000 0.000000 1.000000 )
reciprocal axes: (cart. coord. in units 2 pi/alat)
b(1) = ( 1.000000 0.000000 0.000000 )
b(2) = ( 0.000000 1.000000 0.000000 )
b(3) = ( 0.000000 0.000000 1.000000 )
PseudoPot. # 1 for Si read from file:
/marconi/home/userexternal/pumari00/QE_LAST/develop//pseudo/Si.pz-vbc.UPF
MD5 check sum: 6dfa03ddd5817404712e03e4d12deb78
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 1.00000 Si( 1.00)
24 Sym. Ops. (no inversion) found
Cartesian axes
site n. atom positions (alat units)
1 Si tau( 1) = ( 0.0000000 0.0000000 0.0000000 )
2 Si tau( 2) = ( 0.5000000 0.5000000 0.0000000 )
3 Si tau( 3) = ( 0.0000000 0.5000000 0.5000000 )
4 Si tau( 4) = ( 0.5000000 0.0000000 0.5000000 )
5 Si tau( 5) = ( 0.2500000 0.2500000 0.2500000 )
6 Si tau( 6) = ( 0.7500000 0.7500000 0.2500000 )
7 Si tau( 7) = ( 0.7500000 0.2500000 0.7500000 )
8 Si tau( 8) = ( 0.2500000 0.7500000 0.7500000 )
number of k points= 4
cart. coord. in units 2pi/alat
k( 1) = ( 0.1250000 0.1250000 0.1250000), wk = 0.2500000
k( 2) = ( 0.1250000 0.1250000 0.3750000), wk = 0.7500000
k( 3) = ( 0.1250000 0.3750000 0.3750000), wk = 0.7500000
k( 4) = ( 0.3750000 0.3750000 0.3750000), wk = 0.2500000
Dense grid: 8385 G-vectors FFT dimensions: ( 25, 25, 25)
Estimated max dynamical RAM per process > 2.42 MB
Estimated total dynamical RAM > 9.70 MB
Initial potential from superposition of free atoms
starting charge 31.99603, renormalised to 32.00000
Starting wfcs are random
total cpu time spent up to now is 0.4 secs
Self-consistent Calculation
iteration # 1 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 1.00E-02, avg # of iterations = 7.2
Threshold (ethr) on eigenvalues was too large:
Diagonalizing with lowered threshold
Davidson diagonalization with overlap
ethr = 7.40E-04, avg # of iterations = 1.8
total cpu time spent up to now is 1.4 secs
total energy = -63.33732960 Ry
Harris-Foulkes estimate = -63.40285396 Ry
estimated scf accuracy < 0.23817067 Ry
iteration # 2 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 7.44E-04, avg # of iterations = 1.0
total cpu time spent up to now is 1.6 secs
total energy = -63.33377979 Ry
Harris-Foulkes estimate = -63.34491758 Ry
estimated scf accuracy < 0.03915559 Ry
iteration # 3 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 1.22E-04, avg # of iterations = 2.0
total cpu time spent up to now is 1.9 secs
total energy = -63.33766451 Ry
Harris-Foulkes estimate = -63.33805741 Ry
estimated scf accuracy < 0.00094522 Ry
iteration # 4 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 2.95E-06, avg # of iterations = 3.2
total cpu time spent up to now is 2.3 secs
total energy = -63.33797382 Ry
Harris-Foulkes estimate = -63.33810575 Ry
estimated scf accuracy < 0.00025905 Ry
iteration # 5 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 8.10E-07, avg # of iterations = 2.0
total cpu time spent up to now is 2.6 secs
total energy = -63.33801494 Ry
Harris-Foulkes estimate = -63.33801705 Ry
estimated scf accuracy < 0.00000759 Ry
iteration # 6 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 2.37E-08, avg # of iterations = 3.2
total cpu time spent up to now is 3.0 secs
total energy = -63.33801519 Ry
Harris-Foulkes estimate = -63.33801618 Ry
estimated scf accuracy < 0.00000243 Ry
iteration # 7 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 7.60E-09, avg # of iterations = 2.0
total cpu time spent up to now is 3.2 secs
total energy = -63.33801532 Ry
Harris-Foulkes estimate = -63.33801536 Ry
estimated scf accuracy < 0.00000008 Ry
iteration # 8 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 2.39E-10, avg # of iterations = 3.2
total cpu time spent up to now is 3.6 secs
total energy = -63.33801534 Ry
Harris-Foulkes estimate = -63.33801534 Ry
estimated scf accuracy < 8.9E-10 Ry
iteration # 9 ecut= 15.00 Ry beta= 0.50
Davidson diagonalization with overlap
ethr = 2.79E-12, avg # of iterations = 3.0
total cpu time spent up to now is 4.0 secs
End of self-consistent calculation
k = 0.1250 0.1250 0.1250 ( 1060 PWs) bands (ev):
-5.6482 -2.5539 -2.5539 -2.5539 -0.7104 -0.7104 -0.7103 2.6086
2.6086 2.6086 3.3742 3.3742 3.3742 4.4787 5.7832 5.7832
k = 0.1250 0.1250 0.3750 ( 1065 PWs) bands (ev):
-5.1102 -4.0553 -2.3711 -2.3711 -0.8194 -0.8194 1.1657 1.9768
1.9768 2.8614 3.0895 3.0895 3.3850 3.8526 4.7449 4.8250
k = 0.1250 0.3750 0.3750 ( 1058 PWs) bands (ev):
-4.5976 -3.6263 -3.6263 -2.9152 -0.5443 0.2538 0.2538 1.4572
2.0519 2.7308 2.7308 3.7475 4.1305 4.1305 4.1756 5.2937
k = 0.3750 0.3750 0.3750 ( 1046 PWs) bands (ev):
-4.1528 -3.4191 -3.4191 -3.4191 -0.6736 -0.6736 -0.6736 0.1234
3.7875 3.7875 3.7876 4.5018 4.5018 4.5018 4.9800 4.9800
highest occupied level (ev): 5.7832
! total energy = -63.33801534 Ry
Harris-Foulkes estimate = -63.33801534 Ry
estimated scf accuracy < 3.7E-11 Ry
The total energy is the sum of the following terms:
one-electron contribution = 18.68312524 Ry
hartree contribution = 4.35516609 Ry
xc contribution = -19.17258838 Ry
ewald contribution = -67.20371830 Ry
convergence has been achieved in 9 iterations
Writing output data file si.save/
init_run : 4.37s CPU 0.35s WALL ( 1 calls)
electrons : 53.31s CPU 3.58s WALL ( 1 calls)
Called by init_run:
wfcinit : 1.58s CPU 0.11s WALL ( 1 calls)
potinit : 0.17s CPU 0.01s WALL ( 1 calls)
hinit0 : 2.60s CPU 0.19s WALL ( 1 calls)
Called by electrons:
c_bands : 46.25s CPU 3.11s WALL ( 10 calls)
sum_band : 5.89s CPU 0.39s WALL ( 10 calls)
v_of_rho : 0.26s CPU 0.02s WALL ( 10 calls)
mix_rho : 0.55s CPU 0.04s WALL ( 10 calls)
Called by c_bands:
init_us_2 : 0.73s CPU 0.05s WALL ( 84 calls)
cegterg : 44.71s CPU 3.00s WALL ( 40 calls)
Called by sum_band:
Called by *egterg:
h_psi : 32.67s CPU 2.14s WALL ( 159 calls)
g_psi : 0.16s CPU 0.01s WALL ( 115 calls)
cdiaghg : 8.36s CPU 0.60s WALL ( 151 calls)
Called by h_psi:
h_psi:pot : 32.41s CPU 2.12s WALL ( 159 calls)
h_psi:calbec : 1.23s CPU 0.09s WALL ( 159 calls)
vloc_psi : 30.03s CPU 1.94s WALL ( 159 calls)
add_vuspsi : 0.74s CPU 0.05s WALL ( 159 calls)
General routines
calbec : 1.02s CPU 0.08s WALL ( 159 calls)
fft : 2.06s CPU 0.15s WALL ( 30 calls)
ffts : 0.08s CPU 0.01s WALL ( 10 calls)
fftw : 30.25s CPU 1.96s WALL ( 4568 calls)
Parallel routines
fft_scatt_xy : 4.12s CPU 0.27s WALL ( 4608 calls)
fft_scatt_yz : 10.23s CPU 0.67s WALL ( 4608 calls)
PWSCF : 1m 0.06s CPU 4.17s WALL
This run was terminated on: 22:16:36 14Dec2018
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JOB DONE.
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