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lammps/examples/balance/log.3Nov23.balance.neigh.static.g++.4

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LAMMPS (3 Aug 2023 - Development - patch_2Aug2023-790-g0fbe388cbd)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
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 = 1.6795962 1.6795962 1.6795962
region box block 0 10 0 10 0 10
create_box 3 box
Created orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
4 by 1 by 1 MPI processor grid
create_atoms 1 box
Created 4000 atoms
using lattice units in orthogonal box = (0 0 0) to (16.795962 16.795962 16.795962)
create_atoms CPU = 0.000 seconds
mass * 1.0
region long block 3 6 0 10 0 10
set region long type 2
Setting atom values ...
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
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
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
bin: standard
WARNING: Balance weight neigh skipped b/c no suitable list found (src/imbalance_neigh.cpp:65)
rebalancing time: 0.000 seconds
iteration count = 3
neighbor weight factor: 0.8
initial/final maximal 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
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.427 | 3.803 | 4.19 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 0.924459 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 10
neighbor weight factor: 0.8
initial/final maximal load/proc = 220132 125739.5
initial/final imbalance factor = 1.7583309 1.0043594
x cuts: 0 0.30444336 0.45092773 0.62667847 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.816 | 4 | 4.194 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 0.82011 on 4 procs for 250 steps with 4000 atoms
balance 1.0 shift x 10 1.0 weight neigh 0.8
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 10
neighbor weight factor: 0.8
initial/final maximal load/proc = 147108.8 128929.14
initial/final imbalance factor = 1.1448665 1.0033843
x cuts: 0 0.30487251 0.44992638 0.59526989 1
y cuts: 0 1
z cuts: 0 1
run 250 post no
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.833 | 4.019 | 4.211 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 0.806894 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
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 10
neighbor weight factor: 0.8
time weight factor: 0.6
initial/final maximal load/proc = 91.655582 81.113803
initial/final imbalance factor = 1.1338813 1.0034678
x cuts: 0 0.31096364 0.44921811 0.58717948 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.834 | 4.019 | 4.211 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 0.838671 on 4 procs for 250 steps with 4000 atoms
Performance: 128775.136 tau/day, 298.091 timesteps/s, 1.192 Matom-step/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.4301 | 0.47576 | 0.50889 | 4.2 | 56.73
Neigh | 0.095175 | 0.16382 | 0.25893 | 17.5 | 19.53
Comm | 0.06374 | 0.19306 | 0.30768 | 22.3 | 23.02
Output | 0.00018141 | 0.0002071 | 0.00022587 | 0.0 | 0.02
Modify | 0.0013564 | 0.0025114 | 0.0040356 | 2.3 | 0.30
Other | | 0.00331 | | | 0.39
Nlocal: 1000 ave 1657 max 525 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 8683.75 ave 9705 max 8021 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 150170 ave 156480 max 144602 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Total # of neighbors = 600681
Ave neighs/atom = 150.17025
Neighbor list builds = 25
Dangerous builds = 0
balance 1.0 shift x 10 1.0 weight neigh 0.8 weight time 0.6
Balancing ...
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
rebalancing time: 0.000 seconds
iteration count = 10
neighbor weight factor: 0.8
time weight factor: 0.6
initial/final maximal load/proc = 87.14477 84.253431
initial/final imbalance factor = 1.045158 1.0104811
x cuts: 0 0.31514908 0.45070011 0.58569747 1
y cuts: 0 1
z cuts: 0 1
run 250
Generated 0 of 3 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 3.834 | 4.019 | 4.211 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 0.836673 on 4 procs for 250 steps with 4000 atoms
Performance: 129082.737 tau/day, 298.803 timesteps/s, 1.195 Matom-step/s
98.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.41798 | 0.47099 | 0.51203 | 5.9 | 56.29
Neigh | 0.092957 | 0.16434 | 0.26021 | 18.1 | 19.64
Comm | 0.060396 | 0.19529 | 0.32014 | 25.6 | 23.34
Output | 0.00018905 | 0.00020907 | 0.00022197 | 0.0 | 0.02
Modify | 0.0013271 | 0.0025202 | 0.0041052 | 2.4 | 0.30
Other | | 0.003317 | | | 0.40
Nlocal: 1000 ave 1646 max 498 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 8671.25 ave 9741 max 7981 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Neighs: 149995 ave 165511 max 135174 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Total # of neighbors = 599979
Ave neighs/atom = 149.99475
Neighbor list builds = 25
Dangerous builds = 0
Total wall time: 0:00:04