lammps/examples/balance/log.27Nov18.balance.group.dynamic.g++.2

LAMMPS (27 Nov 2018)
  using 1 OpenMP thread(s) per MPI task
# 3d Lennard-Jones melt

units		lj
atom_style	atomic
processors      * 1 1

variable	factor index 1.0

lattice		fcc 0.8442
Lattice spacing in x,y,z = 1.6796 1.6796 1.6796
region		box block 0 10 0 10 0 10
create_box	3 box
Created orthogonal box = (0 0 0) to (16.796 16.796 16.796)
  2 by 1 by 1 MPI processor grid
create_atoms	1 box
Created 4000 atoms
  Time spent = 0.000552893 secs
mass		* 1.0

region		long block 3 6 0 10 0 10
set             region long type 2
  1400 settings made for type

velocity	all create 1.0 87287

pair_style	lj/cut 2.5
pair_coeff	* * 1.0 1.0 2.5
pair_coeff      * 2 1.0 1.0 5.0

neighbor	0.3 bin
neigh_modify	every 2 delay 4 check yes

group		fast type 1
2600 atoms in group fast
group		slow type 2
1400 atoms in group slow
balance		1.0 shift x 5 1.1                 weight group 2 fast 1.0 slow ${factor} # out weighted.txt
balance		1.0 shift x 5 1.1                 weight group 2 fast 1.0 slow 1.0 
Neighbor list info ...
  update every 2 steps, delay 4 steps, check yes
  max neighbors/atom: 2000, page size: 100000
  master list distance cutoff = 5.3
  ghost atom cutoff = 5.3
  binsize = 2.65, bins = 7 7 7
  1 neighbor lists, perpetual/occasional/extra = 1 0 0
  (1) pair lj/cut, perpetual
      attributes: half, newton on
      pair build: half/bin/atomonly/newton
      stencil: half/bin/3d/newton
      bin: standard
  rebalancing time: 0.000512123 seconds
  iteration count = 1
  group weights: fast=1 slow=1
  initial/final max load/proc = 2000 2000
  initial/final imbalance factor = 1 1
  x cuts: 0 0.5 1
  y cuts: 0 1
  z cuts: 0 1
fix		0 all balance 10 1.0 shift x 5 1.1                 weight group 2 fast 1.0 slow ${factor}
fix		0 all balance 10 1.0 shift x 5 1.1                 weight group 2 fast 1.0 slow 1.0

fix		1 all nve

#dump		id all atom 50 dump.melt

#dump		2 all image 25 image.*.jpg type type #		axes yes 0.8 0.02 view 60 -30
#dump_modify	2 pad 3

#dump		3 all movie 25 movie.mpg type type #		axes yes 0.8 0.02 view 60 -30
#dump_modify	3 pad 3

thermo		50
run		250
Per MPI rank memory allocation (min/avg/max) = 4.437 | 4.628 | 4.819 Mbytes
Step Temp E_pair E_mol TotEng Press Volume 
       0            1   -6.9453205            0   -5.4456955   -5.6812358    4738.2137 
      50   0.49578514   -6.1929216            0   -5.4494298   -1.6668039    4738.2137 
     100   0.53275389   -6.2475932            0   -5.4486622   -1.9063885    4738.2137 
     150   0.53316457   -6.2483202            0   -5.4487733   -1.9476162    4738.2137 
     200     0.536665   -6.2530113            0    -5.448215    -1.933468    4738.2137 
     250   0.55006273     -6.27163            0   -5.4467422   -2.0438847    4738.2137 
Loop time of 1.95661 on 2 procs for 250 steps with 4000 atoms

Performance: 55197.383 tau/day, 127.772 timesteps/s
99.4% CPU use with 2 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 1.0628     | 1.263      | 1.4632     |  17.8 | 64.55
Neigh   | 0.42332    | 0.43486    | 0.44639    |   1.7 | 22.22
Comm    | 0.033167   | 0.2449     | 0.45664    |  42.8 | 12.52
Output  | 0.00015879 | 0.00017142 | 0.00018406 |   0.0 |  0.01
Modify  | 0.010039   | 0.010042   | 0.010045   |   0.0 |  0.51
Other   |            | 0.003658   |            |       |  0.19

Nlocal:    2000 ave 2000 max 2000 min
Histogram: 2 0 0 0 0 0 0 0 0 0
Nghost:    10441 ave 10457 max 10425 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs:    298332 ave 349156 max 247508 min
Histogram: 1 0 0 0 0 0 0 0 0 1

Total # of neighbors = 596664
Ave neighs/atom = 149.166
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:01