quantum-espresso/tests/scf-k0.ref

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Program PWSCF v.4.1a starts ...
Today is 11Jul2009 at 9:38: 6
For Norm-Conserving or Ultrasoft (Vanderbilt) Pseudopotentials or PAW
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
Waiting for input...
bravais-lattice index = 2
lattice parameter (a_0) = 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 = 12.0000 Ry
charge density cutoff = 48.0000 Ry
convergence threshold = 1.0E-06
mixing beta = 0.7000
number of iterations used = 8 plain mixing
Exchange-correlation = SLA PZ NOGX NOGC (1100)
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 a_0)
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/a_0)
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 Si.pz-vbc.UPF
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)
Cartesian axes
site n. atom positions (a_0 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= 1
cart. coord. in units 2pi/a_0
k( 1) = ( 0.0000000 0.0000000 0.0000000), wk = 2.0000000
G cutoff = 126.4975 ( 1459 G-vectors) FFT grid: ( 16, 16, 16)
Largest allocated arrays est. size (Mb) dimensions
Kohn-Sham Wavefunctions 0.01 Mb ( 169, 4)
NL pseudopotentials 0.02 Mb ( 169, 8)
Each V/rho on FFT grid 0.06 Mb ( 4096)
Each G-vector array 0.01 Mb ( 1459)
G-vector shells 0.00 Mb ( 43)
Largest temporary arrays est. size (Mb) dimensions
Auxiliary wavefunctions 0.04 Mb ( 169, 16)
Each subspace H/S matrix 0.00 Mb ( 16, 16)
Each <psi_i|beta_j> matrix 0.00 Mb ( 8, 4)
Arrays for rho mixing 0.50 Mb ( 4096, 8)
Initial potential from superposition of free atoms
starting charge 7.99901, renormalised to 8.00000
Starting wfc are 8 atomic wfcs
total cpu time spent up to now is 0.05 secs
per-process dynamical memory: 1.5 Mb
Self-consistent Calculation
iteration # 1 ecut= 12.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.00E-02, avg # of iterations = 2.0
total cpu time spent up to now is 0.06 secs
total energy = -14.50066621 Ry
Harris-Foulkes estimate = -14.62975694 Ry
estimated scf accuracy < 0.33396503 Ry
iteration # 2 ecut= 12.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 4.17E-03, avg # of iterations = 1.0
total cpu time spent up to now is 0.06 secs
total energy = -14.51763750 Ry
Harris-Foulkes estimate = -14.51965523 Ry
estimated scf accuracy < 0.01051115 Ry
iteration # 3 ecut= 12.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.31E-04, avg # of iterations = 2.0
total cpu time spent up to now is 0.06 secs
total energy = -14.51874686 Ry
Harris-Foulkes estimate = -14.51870762 Ry
estimated scf accuracy < 0.00023473 Ry
iteration # 4 ecut= 12.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 2.93E-06, avg # of iterations = 1.0
total cpu time spent up to now is 0.07 secs
total energy = -14.51875682 Ry
Harris-Foulkes estimate = -14.51875666 Ry
estimated scf accuracy < 0.00000122 Ry
iteration # 5 ecut= 12.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.53E-08, avg # of iterations = 3.0
52 2.000000 -2.000000 -2.000000 -0.624956E-19 0.337727E-02
53 2.000000 2.000000 -2.000000 -0.203288E-19 -0.337727E-02
54 -2.000000 -2.000000 -2.000000 0.185085E-18 -0.337727E-02
55 2.000000 -2.000000 2.000000 -0.613317E-18 -0.337727E-02
56 -2.000000 2.000000 -2.000000 -0.613317E-18 0.337727E-02
57 2.000000 2.000000 2.000000 0.185085E-18 0.337727E-02
58 -2.000000 -2.000000 2.000000 -0.203288E-19 0.337727E-02
59 -2.000000 2.000000 2.000000 -0.624956E-19 -0.337727E-02
total cpu time spent up to now is 0.07 secs
End of self-consistent calculation
k = 0.0000 0.0000 0.0000 ( 169 PWs) bands (ev):
-4.9981 7.2915 7.2915 7.2915
! total energy = -14.51875787 Ry
Harris-Foulkes estimate = -14.51875783 Ry
estimated scf accuracy < 0.00000006 Ry
The total energy is the sum of the following terms:
one-electron contribution = 5.79467243 Ry
hartree contribution = 1.63736712 Ry
xc contribution = -5.05103885 Ry
ewald contribution = -16.89975858 Ry
convergence has been achieved in 5 iterations
entering subroutine stress ...
total stress (Ry/bohr**3) (kbar) P= 415.09
0.00282176 0.00000000 0.00000000 415.09 0.00 0.00
0.00000000 0.00282176 0.00000000 0.00 415.09 0.00
0.00000000 0.00000000 0.00282176 0.00 0.00 415.09
Writing output data file pwscf.save
PWSCF : 0.13s CPU time, 0.14s wall time
init_run : 0.02s CPU
electrons : 0.02s CPU
stress : 0.00s CPU
Called by init_run:
wfcinit : 0.00s CPU
potinit : 0.00s CPU
Called by electrons:
c_bands : 0.01s CPU ( 5 calls, 0.001 s avg)
sum_band : 0.00s CPU ( 5 calls, 0.001 s avg)
v_of_rho : 0.00s CPU ( 6 calls, 0.001 s avg)
mix_rho : 0.00s CPU ( 5 calls, 0.000 s avg)
Called by c_bands:
init_us_2 : 0.00s CPU ( 11 calls, 0.000 s avg)
cegterg : 0.01s CPU ( 5 calls, 0.001 s avg)
Called by *egterg:
h_psi : 0.00s CPU ( 15 calls, 0.000 s avg)
g_psi : 0.00s CPU ( 9 calls, 0.000 s avg)
cdiaghg : 0.00s CPU ( 14 calls, 0.000 s avg)
Called by h_psi:
add_vuspsi : 0.00s CPU ( 15 calls, 0.000 s avg)
General routines
calbec : 0.00s CPU ( 16 calls, 0.000 s avg)
cft3 : 0.00s CPU ( 21 calls, 0.000 s avg)
cft3s : 0.01s CPU ( 142 calls, 0.000 s avg)
davcio : 0.00s CPU ( 5 calls, 0.000 s avg)