lammps/examples/TIP4P/gpu_dump/log.19Dec19.tip4p.g++.1

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4.2 KiB
Groff

LAMMPS (30 Oct 2019)
#
units real
boundary p p p
atom_style full
bond_style harmonic
angle_style harmonic
atom_modify map array
pair_style lj/cut/tip4p/long 1 2 1 1 0.1546 9.0 9.0
pair_modify table 0
#long-range solver for TIP4P from module KSPACE works on CPU
suffix off
newton on
kspace_style pppm/tip4p 1.0e-5
suffix on
read_data data.spce
orthogonal box = (0.02645 0.02645 0.02641) to (35.5328 35.5328 35.4736)
1 by 1 by 1 MPI processor grid
reading atoms ...
4500 atoms
scanning bonds ...
2 = max bonds/atom
scanning angles ...
1 = max angles/atom
reading bonds ...
3000 bonds
reading angles ...
1500 angles
2 = max # of 1-2 neighbors
1 = max # of 1-3 neighbors
1 = max # of 1-4 neighbors
2 = max # of special neighbors
special bonds CPU = 0.00143709 secs
read_data CPU = 0.0185545 secs
pair_coeff * * 0.0 0.0
pair_coeff 1 1 0.1852 3.1589
bond_coeff 1 0.0 0.9572
angle_coeff 1 0.0 104.52
group water type 1 2
4500 atoms in group water
#maintain the water molecule rigid
fix 1 water shake 1.0e-4 200 0 b 1 a 1
0 = # of size 2 clusters
0 = # of size 3 clusters
0 = # of size 4 clusters
1500 = # of frozen angles
fix 2 water nve
thermo 100
thermo_style custom step etotal ke pe temp evdwl ecoul elong press
thermo_modify format float "%.15g"
velocity water create 300 123
if $(is_active(package,gpu)) then "dump 11 all custom 1 dump.force_gpu id type x y z fx fy fz" else "dump 11 all custom 1 dump.force_cpu id type x y z fx fy fz"
if 0 then "dump 11 all custom 1 dump.force_gpu id type x y z fx fy fz" else "dump 11 all custom 1 dump.force_cpu id type x y z fx fy fz"
dump 11 all custom 1 dump.force_cpu id type x y z fx fy fz
dump_modify 11 sort id
timestep 1
run 1
PPPM initialization ...
extracting TIP4P info from pair style
using polynomial approximation for long-range coulomb (../kspace.cpp:323)
G vector (1/distance) = 0.342797
grid = 36 36 36
stencil order = 5
estimated absolute RMS force accuracy = 0.00261362
estimated relative force accuracy = 7.87083e-06
using double precision KISS FFT
3d grid and FFT values/proc = 79507 46656
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11.3092
ghost atom cutoff = 11.3092
binsize = 5.6546, bins = 7 7 7
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair lj/cut/tip4p/long, perpetual
attributes: half, newton on
pair build: half/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 30.18 | 30.18 | 30.18 Mbytes
Step TotEng KinEng PotEng Temp E_vdwl E_coul E_long Press
0 -6581.1098053463 2681.834801985 -9262.9446073313 300 3652.16918734499 90723.8782743546 -103638.992069031 20828.2770003273
1 -6293.09711304554 1787.55263217222 -8080.64974521776 199.96227554909 3652.66537554581 91910.2042281151 -103643.519348879 20986.2037813061
Loop time of 0.0943946 on 1 procs for 1 steps with 4500 atoms
Performance: 0.915 ns/day, 26.221 hours/ns, 10.594 timesteps/s
101.7% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.071838 | 0.071838 | 0.071838 | 0.0 | 76.10
Bond | 1.974e-06 | 1.974e-06 | 1.974e-06 | 0.0 | 0.00
Kspace | 0.012686 | 0.012686 | 0.012686 | 0.0 | 13.44
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.00012462 | 0.00012462 | 0.00012462 | 0.0 | 0.13
Output | 0.0093175 | 0.0093175 | 0.0093175 | 0.0 | 9.87
Modify | 0.00038138 | 0.00038138 | 0.00038138 | 0.0 | 0.40
Other | | 4.484e-05 | | | 0.05
Nlocal: 4500 ave 4500 max 4500 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 15219 ave 15219 max 15219 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 1.37151e+06 ave 1.37151e+06 max 1.37151e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1371514
Ave neighs/atom = 304.781
Ave special neighs/atom = 2
Neighbor list builds = 0
Dangerous builds = 0
Total wall time: 0:00:00