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lammps/examples/USER/scafacos/log.08Aug18.scafacos.cw.g++.p2nfft.16
2018-08-08 15:02:19 -06:00

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LAMMPS (2 Aug 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
units lj
atom_style charge
read_data data.cloud_wall
orthogonal box = (0 0 0) to (10 10 10)
2 by 2 by 4 MPI processor grid
reading atoms ...
300 atoms
velocity all set 0.0 0.0 0.0 mom no
pair_style zero 1.0
pair_coeff * *
neighbor 1.0 bin
neigh_modify delay 0
fix 1 all nve
kspace_style scafacos p2nfft 0.001
kspace_modify scafacos tolerance field
timestep 0.005
thermo_style custom step atoms cpu temp pe ke etotal ecoul press
run_style verlet
#dump simple all custom 1000 id x y z vx vy vz
#dump dmp all custom 1000 part.dump id mol x y z vx vy vz fx fy fz q mass
#dump dmpvtk all vtk 1000 vtk/part_*.vtk id mol x y z vx vy vz fx fy fz q mass
#dump_modify dmpvtk pad 7
thermo 10
run 100
Setting up ScaFaCoS with solver p2nfft ...
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2
ghost atom cutoff = 2
binsize = 1, bins = 10 10 10
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair zero, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.313 | 3.501 | 3.689 Mbytes
Step Atoms CPU Temp PotEng KinEng TotEng E_coul Press
0 300 0 0 0.49683273 0 0.49683273 0 0.016561091
10 300 0.015678644 0.015479312 0.47369009 0.023141571 0.49683166 0 0.020417984
20 300 0.031283855 0.062386358 0.40356181 0.093267605 0.49682941 0 0.032105581
30 300 0.046878099 0.14331637 0.2825636 0.21425798 0.49682157 0 0.052270382
40 300 0.062416077 0.53041843 0.089505208 0.79297556 0.88248077 0 0.16157862
50 300 0.078029871 1.1948397 -0.083317439 1.7862853 1.7029679 0 0.35447982
60 300 0.093806505 1.3915614 -0.37745551 2.0803842 1.7029287 0 0.40349499
70 300 0.1096344 1.7061978 -0.84746071 2.5507657 1.703305 0 0.48190445
80 300 0.12532592 20.692093 -3.32971 30.93468 27.60497 0 6.0759456
90 300 0.14175463 48.999403 -2.1632167 73.254107 71.090891 0 14.578714
100 300 0.15838337 51.199785 -0.81127924 76.543678 75.732399 0 15.281693
Loop time of 0.158406 on 16 procs for 100 steps with 300 atoms
Performance: 272716.448 tau/day, 631.288 timesteps/s
99.4% CPU use with 16 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.718e-05 | 3.7491e-05 | 5.6744e-05 | 0.0 | 0.02
Kspace | 0.15435 | 0.15482 | 0.15516 | 0.1 | 97.74
Neigh | 0.00014806 | 0.0003508 | 0.00074744 | 0.0 | 0.22
Comm | 0.0016866 | 0.0019967 | 0.0023787 | 0.5 | 1.26
Output | 0.00027871 | 0.00033027 | 0.00038028 | 0.0 | 0.21
Modify | 8.0347e-05 | 0.00011933 | 0.00016522 | 0.0 | 0.08
Other | | 0.0007506 | | | 0.47
Nlocal: 18.75 ave 33 max 6 min
Histogram: 2 6 0 0 0 0 2 1 2 3
Nghost: 128.875 ave 198 max 71 min
Histogram: 7 1 0 0 0 0 0 1 5 2
Neighs: 153.812 ave 490 max 14 min
Histogram: 8 0 3 0 1 1 0 0 1 2
Total # of neighbors = 2461
Ave neighs/atom = 8.20333
Neighbor list builds = 15
Dangerous builds = 0
Total wall time: 0:00:00