lammps/examples/USER/scafacos/log.27Nov18.scafacos.fmm.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 = 0.000326395 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 fmm 0.001
kspace_modify scafacos tolerance energy
timestep 0.005
thermo 10
run 100
Setting up ScaFaCoS with solver fmm ...
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 -1.7475646 0 0.50188608 10.44368
10 1.5000016 -1.7475671 0 0.50188602 10.44369
20 1.4999827 -1.7475388 0 0.50188592 10.443564
30 1.4999016 -1.7474173 0 0.5018858 10.443023
40 1.4997356 -1.7471685 0 0.50188572 10.441917
50 1.4995414 -1.7468771 0 0.5018858 10.440623
60 1.4995587 -1.7469027 0 0.50188622 10.440739
70 1.5003837 -1.7481389 0 0.50188727 10.446238
80 1.5032684 -1.7524625 0 0.50188958 10.465466
90 1.5107749 -1.763714 0 0.50189507 10.515502
100 1.52919 -1.791306 0 0.50191895 10.638261
Loop time of 9.55733 on 1 procs for 100 steps with 4096 atoms
Performance: 4520.093 tau/day, 10.463 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 | 0.0003767 | 0.0003767 | 0.0003767 | 0.0 | 0.00
Kspace | 9.5472 | 9.5472 | 9.5472 | 0.0 | 99.89
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.0047688 | 0.0047688 | 0.0047688 | 0.0 | 0.05
Output | 0.00027132 | 0.00027132 | 0.00027132 | 0.0 | 0.00
Modify | 0.0029824 | 0.0029824 | 0.0029824 | 0.0 | 0.03
Other | | 0.001692 | | | 0.02
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: 0:00:10