lammps/examples/balance/log.27Nov18.balance.neigh.s...

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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)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000429153 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
balance 1.0 shift x 10 1.0 weight neigh 0.8 # out weighted_var.txt
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
WARNING: Balance weight neigh skipped b/c no list found (src/imbalance_neigh.cpp:65)
rebalancing time: 0.000684023 seconds
iteration count = 3
neigh weight factor: 0.8
initial/final max load/proc = 1200 1000
initial/final imbalance factor = 1.2 1
x cuts: 0 0.25 0.5 0.71875 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 post no
Per MPI rank memory allocation (min/avg/max) = 3.426 | 3.802 | 4.188 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 1.44749 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000543356 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 220132 125739
initial/final imbalance factor = 1.75833 1.00436
x cuts: 0 0.304443 0.450928 0.626678 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 3.814 | 3.999 | 4.192 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.54677719 -6.2671162 0 -5.4471555 -2.0015995
300 0.5477618 -6.2678071 0 -5.4463698 -1.997842
350 0.55600296 -6.2801497 0 -5.4463538 -2.0394056
400 0.53241503 -6.2453665 0 -5.4469436 -1.878594
450 0.5439158 -6.2623 0 -5.4466302 -1.9744161
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
Loop time of 1.19834 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000308752 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 147109 128929
initial/final imbalance factor = 1.14487 1.00338
x cuts: 0 0.304873 0.449926 0.59527 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.018 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.55526241 -6.2793396 0 -5.4466542 -2.0595015
550 0.53879347 -6.2554274 0 -5.4474393 -1.9756834
600 0.54275982 -6.2616799 0 -5.4477437 -1.9939993
650 0.54526651 -6.265098 0 -5.4474027 -2.0303672
700 0.54369381 -6.263201 0 -5.4478642 -1.9921967
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
Loop time of 1.23246 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000306845 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 114.116 101.665
initial/final imbalance factor = 1.12567 1.00285
x cuts: 0 0.30983 0.449501 0.588031 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.018 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
750 0.54452777 -6.2640839 0 -5.4474964 -1.9658675
800 0.55061744 -6.2725556 0 -5.4468359 -2.0100922
850 0.55371614 -6.2763992 0 -5.4460326 -2.0065329
900 0.54756622 -6.2668303 0 -5.4456863 -1.9796122
950 0.54791593 -6.2673161 0 -5.4456477 -1.9598278
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466
Loop time of 1.13265 on 4 procs for 250 steps with 4000 atoms
Performance: 95351.673 tau/day, 220.721 timesteps/s
97.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.64092 | 0.67347 | 0.70289 | 3.5 | 59.46
Neigh | 0.11654 | 0.22172 | 0.35287 | 22.2 | 19.58
Comm | 0.068215 | 0.22827 | 0.36221 | 28.0 | 20.15
Output | 0.00016975 | 0.00031555 | 0.00065875 | 0.0 | 0.03
Modify | 0.00214 | 0.004007 | 0.0062947 | 3.0 | 0.35
Other | | 0.004862 | | | 0.43
Nlocal: 1000 ave 1651 max 529 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8692.5 ave 9709 max 8037 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 150170 ave 154877 max 145634 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Total # of neighbors = 600681
Ave neighs/atom = 150.17
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
rebalancing time: 0.000319719 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 102.192 99.2749
initial/final imbalance factor = 1.03206 1.0026
x cuts: 0 0.312695 0.449907 0.587625 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 3.832 | 4.019 | 4.209 Mbytes
Step Temp E_pair E_mol TotEng Press
1000 0.54173198 -6.2586101 0 -5.4462153 -1.9007466
1050 0.54629742 -6.2657526 0 -5.4465113 -1.945821
1100 0.55427881 -6.2781733 0 -5.446963 -2.0021027
1150 0.54730654 -6.267257 0 -5.4465025 -1.9420678
1200 0.5388281 -6.2547963 0 -5.4467562 -1.890178
1250 0.54848768 -6.2694237 0 -5.4468979 -1.9636797
Loop time of 1.16447 on 4 procs for 250 steps with 4000 atoms
Performance: 92745.661 tau/day, 214.689 timesteps/s
97.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.61612 | 0.67903 | 0.73112 | 5.1 | 58.31
Neigh | 0.11722 | 0.22257 | 0.35236 | 22.3 | 19.11
Comm | 0.099441 | 0.25198 | 0.42338 | 28.4 | 21.64
Output | 0.00018501 | 0.0012686 | 0.0040495 | 4.5 | 0.11
Modify | 0.0020952 | 0.0044899 | 0.0086782 | 4.0 | 0.39
Other | | 0.005134 | | | 0.44
Nlocal: 1000 ave 1631 max 523 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8693.75 ave 9752 max 8002 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149995 ave 161500 max 141963 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Total # of neighbors = 599979
Ave neighs/atom = 149.995
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:06