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)
2 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
Time spent = 0.000495195 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: 0.000623703 seconds
iteration count = 1
neigh weight factor: 0.8
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 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) = 4.297 | 4.488 | 4.678 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 -6.9453205 0 -5.4456955 -5.6812358
50 0.49578514 -6.1929216 0 -5.4494298 -1.6668039
100 0.53275389 -6.2475932 0 -5.4486622 -1.9063885
150 0.53316457 -6.2483202 0 -5.4487733 -1.9476162
200 0.536665 -6.2530113 0 -5.448215 -1.933468
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
Loop time of 1.97176 on 2 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000482321 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 290759 262123
initial/final imbalance factor = 1.10982 1.00052
x cuts: 0 0.45166 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 4.304 | 4.492 | 4.681 Mbytes
Step Temp E_pair E_mol TotEng Press
250 0.55006273 -6.27163 0 -5.4467422 -2.0438847
300 0.55111476 -6.2727642 0 -5.4462987 -2.0384873
350 0.55211503 -6.274054 0 -5.4460885 -2.0116976
400 0.54638463 -6.2661715 0 -5.4467995 -1.992248
450 0.55885307 -6.2852263 0 -5.4471563 -2.0669747
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
Loop time of 1.77716 on 2 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
rebalancing time: 0.000497341 seconds
iteration count = 10
neigh weight factor: 0.8
initial/final max load/proc = 296648 269016
initial/final imbalance factor = 1.10642 1.00336
x cuts: 0 0.501461 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
500 0.54587069 -6.2662849 0 -5.4476836 -2.0078802
550 0.54137926 -6.2592773 0 -5.4474115 -1.9770236
600 0.54022886 -6.2573307 0 -5.44719 -1.9619637
650 0.54709009 -6.2678862 0 -5.4474562 -1.9958342
700 0.54590044 -6.2656903 0 -5.4470444 -1.9957108
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
Loop time of 2.0039 on 2 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: 0.000368118 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 168.493 167.093
initial/final imbalance factor = 1.00948 1.00109
x cuts: 0 0.499991 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
750 0.55098488 -6.2724831 0 -5.4462124 -2.0287523
800 0.5520987 -6.2739184 0 -5.4459774 -2.0084991
850 0.54963958 -6.2702473 0 -5.445994 -1.9740031
900 0.54390586 -6.2615476 0 -5.4458927 -1.9400871
950 0.54741732 -6.2665755 0 -5.4456548 -1.9466417
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624
Loop time of 2.0382 on 2 procs for 250 steps with 4000 atoms
Performance: 52987.998 tau/day, 122.657 timesteps/s
98.9% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.96918 | 1.257 | 1.5449 | 25.7 | 61.67
Neigh | 0.40421 | 0.42672 | 0.44923 | 3.4 | 20.94
Comm | 0.032542 | 0.34306 | 0.65358 | 53.0 | 16.83
Output | 0.00014377 | 0.00015366 | 0.00016356 | 0.0 | 0.01
Modify | 0.0070617 | 0.007337 | 0.0076122 | 0.3 | 0.36
Other | | 0.003878 | | | 0.19
Nlocal: 2000 ave 2056 max 1944 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10403.5 ave 10525 max 10282 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 300836 ave 365656 max 236015 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 601671
Ave neighs/atom = 150.418
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: 0.000344753 seconds
iteration count = 10
neigh weight factor: 0.8
time weight factor: 0.6
initial/final max load/proc = 170.235 168.809
initial/final imbalance factor = 1.01037 1.00191
x cuts: 0 0.49755 1
y cuts: 0 1
z cuts: 0 1
run 250
Per MPI rank memory allocation (min/avg/max) = 4.681 | 4.683 | 4.686 Mbytes
Step Temp E_pair E_mol TotEng Press
1000 0.54200867 -6.2591246 0 -5.4463148 -1.8881624
1050 0.54633412 -6.2656384 0 -5.4463421 -1.9012895
1100 0.54325667 -6.2612166 0 -5.4465353 -1.8870463
1150 0.55057583 -6.2719187 0 -5.4462614 -1.9575881
1200 0.53728175 -6.251744 0 -5.4460228 -1.8124097
1250 0.54077561 -6.2567544 0 -5.4457938 -1.8418134
Loop time of 2.01086 on 2 procs for 250 steps with 4000 atoms
Performance: 53708.387 tau/day, 124.325 timesteps/s
98.9% CPU use with 2 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0037 | 1.2615 | 1.5192 | 23.0 | 62.73
Neigh | 0.40846 | 0.4277 | 0.44695 | 2.9 | 21.27
Comm | 0.033029 | 0.31012 | 0.5872 | 49.8 | 15.42
Output | 0.00014424 | 0.00015259 | 0.00016093 | 0.0 | 0.01
Modify | 0.007298 | 0.0074347 | 0.0075715 | 0.2 | 0.37
Other | | 0.003999 | | | 0.20
Nlocal: 2000 ave 2038 max 1962 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Nghost: 10391 ave 10489 max 10293 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Neighs: 301104 ave 358264 max 243943 min
Histogram: 1 0 0 0 0 0 0 0 0 1
Total # of neighbors = 602207
Ave neighs/atom = 150.552
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:09