LAMMPS (5 Oct 2016)
# 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)
  4 by 1 by 1 MPI processor grid
create_atoms	1 box
Created 4000 atoms
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

balance		1.0 shift x 5 1.1 # out unweighted.txt
Neighbor list info ...
  1 neighbor list requests
  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
  rebalancing time: 0.00113606 seconds
  iteration count = 2
  initial/final max load/proc = 1200 1200
  initial/final imbalance factor = 1.2 1.2
  x cuts: 0 0.25 0.5 0.6875 1
  y cuts: 0 1
  z cuts: 0 1

balance		1.0 x uniform
  rebalancing time: 0.00050211 seconds
  iteration count = 0
  initial/final max load/proc = 1200 1200
  initial/final imbalance factor = 1.2 1.2
  x cuts: 0 0.25 0.5 0.75 1
  y cuts: 0 1
  z cuts: 0 1

variable        weight atom (type==1)*1.0+(type==2)*v_factor
balance		1.0 shift x 5 1.1 weight var weight # out weighted_var.txt
  rebalancing time: 0.000926018 seconds
  iteration count = 2
  weight variable: weight
  initial/final max load/proc = 1200 1200
  initial/final imbalance factor = 1.2 1.2
  x cuts: 0 0.25 0.5 0.6875 1
  y cuts: 0 1
  z cuts: 0 1

balance		1.0 x uniform
  rebalancing time: 0.000455856 seconds
  iteration count = 0
  initial/final max load/proc = 1200 1200
  initial/final imbalance factor = 1.2 1.2
  x cuts: 0 0.25 0.5 0.75 1
  y cuts: 0 1
  z cuts: 0 1

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_group.txt
balance		1.0 shift x 5 1.1                 weight group 2 fast 1.0 slow 1.0 
  rebalancing time: 0.00071907 seconds
  iteration count = 2
  group weights: fast=1 slow=1
  initial/final max load/proc = 1200 1200
  initial/final imbalance factor = 1.2 1.2
  x cuts: 0 0.25 0.5 0.6875 1
  y cuts: 0 1
  z cuts: 0 1

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
Memory usage per processor = 2.77892 Mbytes
Step Temp E_pair E_mol TotEng Press 
       0            1   -6.9453205            0   -5.4456955   -5.6812358 
      50   0.48653399   -6.1788509            0   -5.4492324   -1.6017778 
     100   0.53411175    -6.249885            0   -5.4489177   -1.9317606 
     150   0.53646658   -6.2527206            0   -5.4482219   -1.9689568 
     200   0.54551611   -6.2656326            0   -5.4475631   -2.0042104 
     250   0.54677719   -6.2671162            0   -5.4471555   -2.0015995 
Loop time of 1.42478 on 4 procs for 250 steps with 4000 atoms

Performance: 75800.979 tau/day, 175.465 timesteps/s
99.2% CPU use with 4 MPI tasks x no OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 0.35155    | 0.65282    | 1.1868     |  42.1 | 45.82
Neigh   | 0.12951    | 0.16927    | 0.20492    |   7.4 | 11.88
Comm    | 0.03706    | 0.59419    | 0.90483    |  44.8 | 41.70
Output  | 0.00011921 | 0.00013947 | 0.00015664 |   0.1 |  0.01
Modify  | 0.0023413  | 0.0032853  | 0.0043154  |   1.2 |  0.23
Other   |            | 0.005085   |            |       |  0.36

Nlocal:    1000 ave 1263 max 712 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost:    8711.5 ave 9045 max 8325 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs:    149325 ave 275165 max 77227 min
Histogram: 2 0 0 0 1 0 0 0 0 1

Total # of neighbors = 597299
Ave neighs/atom = 149.325
Neighbor list builds = 23
Dangerous builds = 0
Total wall time: 0:00:01
