LAMMPS (9 Oct 2020)
  using 1 OpenMP thread(s) per MPI task
# granular chute flow

units		lj
atom_style	sphere
boundary	p p fs
newton		off
comm_modify	vel yes

read_data	data.granular
Reading data file ...
  orthogonal box = (0.0000000 0.0000000 0.0000000) to (40.000000 20.000000 37.288600)
  2 by 1 by 2 MPI processor grid
  reading atoms ...
  32000 atoms
  reading velocities ...
  32000 velocities
  read_data CPU = 0.052 seconds

pair_style	gran/hooke/history 200000.0 NULL 50.0 NULL 0.5 0
pair_coeff	* *

neighbor	0.1 bin
neigh_modify    delay 5 every 1

timestep	0.0001

group		bottom type 2
912 atoms in group bottom
group		active subtract all bottom
31088 atoms in group active
neigh_modify	exclude group bottom bottom

fix		1 all gravity 1.0 chute 26.0
fix		2 bottom freeze
fix		3 active nve/sphere

compute		1 all erotate/sphere
thermo_style	custom step atoms ke c_1 vol
thermo_modify	norm no

run		100
Neighbor list info ...
  update every 1 steps, delay 5 steps, check yes
  max neighbors/atom: 2000, page size: 100000
  master list distance cutoff = 1.1
  ghost atom cutoff = 1.1
  binsize = 0.55, bins = 73 37 68
  1 neighbor lists, perpetual/occasional/extra = 1 0 0
  (1) pair gran/hooke/history, perpetual
      attributes: half, newton off, size, history
      pair build: half/size/bin/newtoff
      stencil: half/bin/3d/newtoff
      bin: standard
Per MPI rank memory allocation (min/avg/max) = 10.59 | 10.59 | 10.60 Mbytes
Step Atoms KinEng c_1 Volume 
       0    32000    784139.13    1601.1263    29833.783 
     100    32000    784292.08    1571.0968    29834.707 
Loop time of 0.0952788 on 4 procs for 100 steps with 32000 atoms

Performance: 9068.124 tau/day, 1049.551 timesteps/s
95.4% CPU use with 4 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 0.044316   | 0.047274   | 0.049681   |   1.0 | 49.62
Neigh   | 0.0079038  | 0.0079354  | 0.0079608  |   0.0 |  8.33
Comm    | 0.0082569  | 0.0089372  | 0.0094819  |   0.5 |  9.38
Output  | 6.9857e-05 | 9.3222e-05 | 0.00010514 |   0.0 |  0.10
Modify  | 0.015689   | 0.016034   | 0.016789   |   0.4 | 16.83
Other   |            | 0.015      |            |       | 15.75

Nlocal:        8000.00 ave        8008 max        7992 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost:        2439.00 ave        2450 max        2428 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs:        29500.5 ave       30488 max       28513 min
Histogram: 2 0 0 0 0 0 0 0 0 2

Total # of neighbors = 118002
Ave neighs/atom = 3.6875625
Neighbor list builds = 2
Dangerous builds = 0
Total wall time: 0:00:00
