lammps/examples/SPIN/spinmin/log.14Apr20.spin.bfo_min_cg...

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LAMMPS (19 Mar 2020)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:94)
using 1 OpenMP thread(s) per MPI task
# bfo in a 3d periodic box
units metal
dimension 3
boundary p p f
atom_style spin
# necessary for the serial algorithm (sametag)
atom_modify map array
lattice sc 3.96
Lattice spacing in x,y,z = 3.96 3.96 3.96
region box block 0.0 34.0 0.0 34.0 0.0 5.0
create_box 1 box
Created orthogonal box = (0 0 0) to (134.64 134.64 19.8)
1 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 5780 atoms
create_atoms CPU = 0.00267482 secs
# setting mass, mag. moments, and interactions for bcc iron
mass 1 1.0
set group all spin/random 11 2.50
5780 settings made for spin/random
pair_style hybrid/overlay spin/exchange 6.0 spin/magelec 4.5 spin/dmi 4.5
pair_coeff * * spin/exchange exchange 6.0 -0.01575 0.0 1.965
# pair_coeff * * spin/magelec magelec 4.5 0.000109 1.0 1.0 1.0
pair_coeff * * spin/magelec magelec 4.5 0.00109 1.0 1.0 1.0
pair_coeff * * spin/dmi dmi 4.5 0.00005 1.0 1.0 1.0
neighbor 0.1 bin
neigh_modify every 10 check yes delay 20
fix 1 all precession/spin anisotropy 0.0000033 0.0 0.0 1.0
fix_modify 1 energy yes
timestep 0.0001
compute out_mag all spin
compute out_pe all pe
compute out_ke all ke
compute out_temp all temp
variable magz equal c_out_mag[3]
variable magnorm equal c_out_mag[4]
variable emag equal c_out_mag[5]
variable tmag equal c_out_mag[6]
thermo 100
thermo_style custom step time v_magnorm v_emag v_tmag temp etotal
thermo_modify format float %20.15g
compute outsp all property/atom spx spy spz sp fmx fmy fmz
dump 1 all custom 50 dump.lammpstrj type x y z c_outsp[1] c_outsp[2] c_outsp[3] c_outsp[4] c_outsp[5] c_outsp[6] c_outsp[7]
min_style spin/cg
# min_modify line spin_none discrete_factor 10.0
minimize 1.0e-10 1.0e-10 1000 100
WARNING: Using 'neigh_modify every 1 delay 0 check yes' setting during minimization (../min.cpp:190)
WARNING: Line search incompatible gneb (../min_spin_cg.cpp:105)
WARNING: Using spin pair style without nve/spin or neb/spin (../pair_spin.cpp:88)
WARNING: Using spin pair style without nve/spin or neb/spin (../pair_spin.cpp:88)
WARNING: Using spin pair style without nve/spin or neb/spin (../pair_spin.cpp:88)
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 6.1
ghost atom cutoff = 6.1
binsize = 3.05, bins = 45 45 7
3 neighbor lists, perpetual/occasional/extra = 3 0 0
(1) pair spin/exchange, perpetual
attributes: full, newton on
pair build: full/bin/atomonly
stencil: full/bin/3d
bin: standard
(2) pair spin/magelec, perpetual, copy from (1)
attributes: full, newton on
pair build: copy
stencil: none
bin: none
(3) pair spin/dmi, perpetual, copy from (1)
attributes: full, newton on
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 8.331 | 8.331 | 8.331 Mbytes
Step Time v_magnorm v_emag v_tmag Temp TotEng
0 0 0.0100717228668283 -0.0819172086358897 14831.3069413956 0 -0.0819172086358848
100 0.01 8.80197005314557e-06 -66.4031731988352 0.00226660536216922 0 -66.4031731988347
200 0.02 6.70903250218956e-06 -66.5635391216766 0.00103783628361662 0 -66.563539121677
300 0.03 4.5381603452565e-06 -66.7355384861724 0.00144833375067451 0 -66.7355384861738
400 0.04 9.04820921016732e-07 -66.8839217283316 0.000682239601485924 0 -66.8839217283314
500 0.05 1.6866160174916e-06 -66.9469610803664 0.00032462625992713 0 -66.946961080365
600 0.06 1.78038217785001e-06 -66.9786113403508 0.000160730704849448 0 -66.9786113403509
700 0.07 1.49199057723078e-06 -66.9936279438935 7.39864656758093e-05 0 -66.9936279438931
800 0.08 1.15173756711067e-06 -67.0004605630263 3.33959465206462e-05 0 -67.0004605630278
900 0.09 8.48526364752965e-07 -67.0035249294341 1.49345737358251e-05 0 -67.0035249294347
1000 0.1 6.10346492876059e-07 -67.004895757836 6.71648807105468e-06 0 -67.0048957578347
Loop time of 9.0061 on 1 procs for 1000 steps with 5780 atoms
100.0% CPU use with 1 MPI tasks x 1 OpenMP threads
Minimization stats:
Stopping criterion = max iterations
Energy initial, next-to-last, final =
-0.0819172086359 -67.0048809251 -67.0048957578
Force two-norm initial, final = 0 0
Force max component initial, final = 0 0
Final line search alpha, max atom move = 2.122e-314 0
Iterations, force evaluations = 1000 1000
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 8.3237 | 8.3237 | 8.3237 | 0.0 | 92.42
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.023927 | 0.023927 | 0.023927 | 0.0 | 0.27
Output | 0.31783 | 0.31783 | 0.31783 | 0.0 | 3.53
Modify | 0.034633 | 0.034633 | 0.034633 | 0.0 | 0.38
Other | | 0.306 | | | 3.40
Nlocal: 5780 ave 5780 max 5780 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 1065 ave 1065 max 1065 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 0 ave 0 max 0 min
Histogram: 1 0 0 0 0 0 0 0 0 0
FullNghs: 92480 ave 92480 max 92480 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 92480
Ave neighs/atom = 16
Neighbor list builds = 0
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:09