quantum-espresso/tests/lattice-ibrav4-kauto.ref

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Program PWSCF v.4.0cvs starts ...
Today is 23Nov2007 at 10:30: 5
Ultrasoft (Vanderbilt) Pseudopotentials and 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
bravais-lattice index = 4
lattice parameter (a_0) = 10.0000 a.u.
unit-cell volume = 1732.0508 (a.u.)^3
number of atoms/cell = 2
number of atomic types = 1
number of electrons = 2.00
number of Kohn-Sham states= 1
kinetic-energy cutoff = 25.0000 Ry
charge density cutoff = 100.0000 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)= 10.000000 celldm(2)= 0.000000 celldm(3)= 2.000000
celldm(4)= 0.000000 celldm(5)= 0.000000 celldm(6)= 0.000000
crystal axes: (cart. coord. in units of a_0)
a(1) = ( 1.000000 0.000000 0.000000 )
a(2) = ( -0.500000 0.866025 0.000000 )
a(3) = ( 0.000000 0.000000 2.000000 )
reciprocal axes: (cart. coord. in units 2 pi/a_0)
b(1) = ( 1.000000 0.577350 -0.000000 )
b(2) = ( 0.000000 1.154701 0.000000 )
b(3) = ( 0.000000 -0.000000 0.500000 )
PseudoPot. # 1 for H read from file H.vbc.UPF
Pseudo is Norm-conserving, Zval = 1.0
Generated by new atomic code, or converted to UPF format
Using radial grid of 131 points, 0 beta functions with:
atomic species valence mass pseudopotential
H 1.00 1.00080 H ( 1.00)
24 Sym.Ops. (with inversion)
Cartesian axes
site n. atom positions (a_0 units)
1 H tau( 1) = ( 0.0000000 0.0000000 -0.0661404 )
2 H tau( 2) = ( 0.0000000 0.0000000 0.0661404 )
number of k points= 2
cart. coord. in units 2pi/a_0
k( 1) = ( 0.2500000 0.4330127 0.1250000), wk = 1.0000000
k( 2) = ( 0.2500000 -0.1443376 0.1250000), wk = 1.0000000
G cutoff = 253.3030 ( 29199 G-vectors) FFT grid: ( 32, 32, 64)
Largest allocated arrays est. size (Mb) dimensions
Kohn-Sham Wavefunctions 0.06 Mb ( 3660, 1)
NL pseudopotentials 0.00 Mb ( 3660, 0)
Each V/rho on FFT grid 1.00 Mb ( 65536)
Each G-vector array 0.22 Mb ( 29199)
G-vector shells 0.00 Mb ( 476)
Largest temporary arrays est. size (Mb) dimensions
Auxiliary wavefunctions 0.22 Mb ( 3660, 4)
Each subspace H/S matrix 0.00 Mb ( 4, 4)
Each <psi_i|beta_j> matrix 0.00 Mb ( 0, 1)
Arrays for rho mixing 8.00 Mb ( 65536, 8)
Initial potential from superposition of free atoms
Check: negative starting charge= -0.002293
starting charge 1.99995, renormalised to 2.00000
negative rho (up, down): 0.229E-02 0.000E+00
Starting wfc are 2 atomic wfcs
total cpu time spent up to now is 0.19 secs
Self-consistent Calculation
iteration # 1 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.00E-02, avg # of iterations = 2.0
negative rho (up, down): 0.668E-03 0.000E+00
total cpu time spent up to now is 0.33 secs
total energy = -2.22004097 Ry
Harris-Foulkes estimate = -2.29019774 Ry
estimated scf accuracy < 0.13316596 Ry
iteration # 2 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 6.66E-03, avg # of iterations = 1.0
negative rho (up, down): 0.144E-03 0.000E+00
total cpu time spent up to now is 0.46 secs
total energy = -2.23103124 Ry
Harris-Foulkes estimate = -2.23147674 Ry
estimated scf accuracy < 0.00100367 Ry
iteration # 3 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 5.02E-05, avg # of iterations = 2.0
negative rho (up, down): 0.177E-04 0.000E+00
total cpu time spent up to now is 0.60 secs
total energy = -2.23132370 Ry
Harris-Foulkes estimate = -2.23132511 Ry
estimated scf accuracy < 0.00001142 Ry
iteration # 4 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 5.71E-07, avg # of iterations = 1.0
total cpu time spent up to now is 0.69 secs
End of self-consistent calculation
k = 0.2500 0.4330 0.1250 ( 3660 PWs) bands (ev):
-10.2028
k = 0.2500-0.1443 0.1250 ( 3654 PWs) bands (ev):
-10.2144
! total energy = -2.23132480 Ry
Harris-Foulkes estimate = -2.23132476 Ry
estimated scf accuracy < 0.00000039 Ry
The total energy is the sum of the following terms:
one-electron contribution = -3.62531202 Ry
hartree contribution = 1.92082716 Ry
xc contribution = -1.31430911 Ry
ewald contribution = 0.78746916 Ry
convergence has been achieved in 4 iterations
Writing output data file pwscf.save
PWSCF : 0.75s CPU time, 0.85s wall time
init_run : 0.18s CPU
electrons : 0.50s CPU
electrons : 0.50s CPU
c_bands : 0.16s CPU ( 4 calls, 0.041 s avg)
sum_band : 0.10s CPU ( 4 calls, 0.025 s avg)
v_of_rho : 0.16s CPU ( 5 calls, 0.032 s avg)
v_h : 0.03s CPU ( 5 calls, 0.006 s avg)
v_xc : 0.13s CPU ( 5 calls, 0.025 s avg)
mix_rho : 0.04s CPU ( 4 calls, 0.010 s avg)
c_bands : 0.16s CPU ( 4 calls, 0.041 s avg)
cegterg : 0.16s CPU ( 8 calls, 0.020 s avg)
sum_band : 0.10s CPU ( 4 calls, 0.025 s avg)
wfcrot : 0.03s CPU ( 2 calls, 0.016 s avg)
cegterg : 0.16s CPU ( 8 calls, 0.020 s avg)
h_psi : 0.18s CPU ( 22 calls, 0.008 s avg)
g_psi : 0.00s CPU ( 12 calls, 0.000 s avg)
overlap : 0.00s CPU ( 12 calls, 0.000 s avg)
diaghg : 0.00s CPU ( 20 calls, 0.000 s avg)
update : 0.00s CPU ( 12 calls, 0.000 s avg)
last : 0.00s CPU ( 8 calls, 0.000 s avg)
h_psi : 0.18s CPU ( 22 calls, 0.008 s avg)
init : 0.00s CPU ( 22 calls, 0.000 s avg)
firstfft : 0.09s CPU ( 24 calls, 0.004 s avg)
secondfft : 0.08s CPU ( 24 calls, 0.003 s avg)
General routines
cft3 : 0.07s CPU ( 15 calls, 0.005 s avg)
cft3s : 0.18s CPU ( 56 calls, 0.003 s avg)
davcio : 0.00s CPU ( 26 calls, 0.000 s avg)