lammps/examples/USER/scafacos/log.27Nov18.scafacos.p3m.g++.1

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LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# Point dipoles in a 2d box
units lj
atom_style charge
read_data data.NaCl
orthogonal box = (0 0 0) to (1 1 1)
1 by 1 by 1 MPI processor grid
reading atoms ...
8 atoms
replicate 8 8 8
orthogonal box = (0 0 0) to (8 8 8)
1 by 1 by 1 MPI processor grid
4096 atoms
Time spent = 0.000295162 secs
velocity all create 1.5 49893
neighbor 1.0 bin
neigh_modify delay 0
fix 1 all nve
# LAMMPS computes pairwise and long-range Coulombics
#pair_style coul/long 3.0
#pair_coeff * *
#kspace_style pppm 1.0e-3
# Scafacos computes entire long-range Coulombics
# use dummy pair style to perform atom sorting
pair_style zero 1.0
pair_coeff * *
#fix 2 all scafacos p3m tolerance field 0.001
kspace_style scafacos p3m 0.001
kspace_modify scafacos tolerance field
timestep 0.005
thermo 10
run 100
Setting up ScaFaCoS with solver p3m ...
WARNING: Virial computation for P3M not available (src/USER-SCAFACOS/scafacos.cpp:104)
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 = 8 8 8
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) = 5.813 | 5.813 | 5.813 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1.5 -1.7475754 0 0.5018753 11.99707
10 1.5000018 -1.7475781 0 0.50187528 11.997085
20 1.4999833 -1.7475525 0 0.50187314 11.996937
30 1.4999008 -1.7474408 0 0.50186112 11.996277
40 1.4997303 -1.7471984 0 0.5018478 11.994913
50 1.4995294 -1.7469059 0 0.50183901 11.993306
60 1.4995402 -1.7469269 0 0.50183416 11.993392
70 1.50036 -1.7481582 0 0.50183238 11.99995
80 1.5032409 -1.7524778 0 0.50183303 12.022991
90 1.5107445 -1.7637255 0 0.50183801 12.083005
100 1.5291568 -1.7913136 0 0.50186158 12.230268
Loop time of 2.98343 on 1 procs for 100 steps with 4096 atoms
Performance: 14479.957 tau/day, 33.518 timesteps/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.00035572 | 0.00035572 | 0.00035572 | 0.0 | 0.01
Kspace | 2.9729 | 2.9729 | 2.9729 | 0.0 | 99.65
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.005022 | 0.005022 | 0.005022 | 0.0 | 0.17
Output | 0.00027037 | 0.00027037 | 0.00027037 | 0.0 | 0.01
Modify | 0.003046 | 0.003046 | 0.003046 | 0.0 | 0.10
Other | | 0.00182 | | | 0.06
Nlocal: 4096 ave 4096 max 4096 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 9728 ave 9728 max 9728 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 524288 ave 524288 max 524288 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 524288
Ave neighs/atom = 128
Neighbor list builds = 0
Dangerous builds = 0
Total wall time: 0:00:03