Commit 92395e9b authored by Axel Kohlmeyer's avatar Axel Kohlmeyer
Browse files

disallow MC moves with fix rigid and fix shake active. update examples and add shake example

parent 43393799
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examples/gcmc/H2O.txt

0 → 100644
+62 −0
Original line number Diff line number Diff line
# CO2 molecule file. TraPPE model.

3 atoms
2 bonds
1 angles

Coords

1    1.12456   0.09298   1.27452
2    1.53683   0.75606   1.89928
3    0.49482   0.56390   0.65678

Types

1        1  
2        2   
3        2  

Charges 

1       -0.8472
2        0.4236 
3        0.4236  

Bonds

1   1      1      2
2   1      1      3

Angles

1   1      2      1      3

Shake Flags

1 1
2 1
3 1

Shake Atoms

1 1 2 3
2 1 2 3
3 1 2 3

Shake Bond Types

1 1 1 1
2 1 1 1
3 1 1 1

Special Bond Counts

1 2 0 0
2 1 1 0
3 1 1 0

Special Bonds

1 2 3
2 1 3
3 1 2
+1 −1
Original line number Diff line number Diff line
@@ -64,7 +64,7 @@ fix_modify myrigidnvt dynamic/dof no
# gcmc

variable        tfac equal 5.0/3.0 # (3 trans + 2 rot)/(3 trans)
fix             mygcmc all gcmc 100 100 100 0 54341 ${temp} ${mu} ${disp} mol &
fix             mygcmc all gcmc 100 100 0 0 54341 ${temp} ${mu} ${disp} mol &
                co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt

# output
+88 −0
Original line number Diff line number Diff line
# fix gcmc example with fix shake

# variables available on command line

variable        mu index -8.1
variable	disp index 0.5
variable        temp index 338.0
variable        lbox index 10.0
variable        spacing index 5.0

# global model settings

units           real
atom_style      full
boundary        p p p
pair_style      lj/cut/coul/long  14 
pair_modify     mix arithmetic tail yes
kspace_style    ewald 0.0001
bond_style      harmonic
angle_style     harmonic

# box, start molecules on simple cubic lattice

lattice 	sc ${spacing}
region          box block 0 ${lbox} 0 ${lbox} 0 ${lbox} units box
create_box      2 box                       &
                bond/types 1                &
                angle/types 1               &
                extra/bond/per/atom 2       &
                extra/angle/per/atom 1      &
                extra/special/per/atom 2

# we can load multiple molecule templates, but don't have to use them all
molecule        co2mol CO2.txt
molecule        h2omol H2O.txt
create_atoms   	0 box mol h2omol 464563 units box
                        
# rigid SPC/E water model

pair_coeff      1 1 0.15535 3.166
pair_coeff      * 2 0.0000 0.0000       

bond_coeff      1     1000       1.0   
angle_coeff     1      100       109.47

# masses

mass 1 15.9994 
mass 2 1.0

# MD settings

group           h2o type 1 2
neighbor        2.0 bin
neigh_modify    every 1 delay 1 check yes
velocity       	all create ${temp} 54654
timestep        1.0

minimize 0.0 0.0 100 1000
reset_timestep 0
# rigid constraints with thermostat 

fix             mynvt all nvt temp ${temp} ${temp} 100
fix             wshake  all shake 0.0001 50 0 b 1 a 1 mol h2omol
# gcmc



run 1000

variable        tfac equal 5.0/3.0 # (3 trans + 2 rot)/(3 trans)
fix             mygcmc all gcmc 100 100 0 0 54341 ${temp} ${mu} ${disp} mol &
                h2omol tfac_insert ${tfac} group h2o shake wshake

# output

variable	tacc equal f_mygcmc[2]/(f_mygcmc[1]+0.1)
variable	iacc equal f_mygcmc[4]/(f_mygcmc[3]+0.1)
variable	dacc equal f_mygcmc[6]/(f_mygcmc[5]+0.1)
variable	racc equal f_mygcmc[8]/(f_mygcmc[7]+0.1)
compute_modify  thermo_temp dynamic/dof yes
thermo_style    custom step temp press pe ke density atoms v_iacc v_dacc v_tacc v_racc
thermo          1000

# run

run             20000
+51 −48
Original line number Diff line number Diff line
LAMMPS (17 Mar 2017)
LAMMPS (6 Jul 2017)
  using 1 OpenMP thread(s) per MPI task
# GCMC for CO2 molecular fluid, rigid/small/nvt dynamics
# Rigid CO2 TraPPE model
# [Potoff and J.I. Siepmann, Vapor-liquid equilibria of
@@ -80,11 +81,11 @@ fix_modify myrigidnvt dynamic/dof no
# gcmc

variable        tfac equal 5.0/3.0 # (3 trans + 2 rot)/(3 trans)
fix             mygcmc all gcmc 100 100 100 0 54341 ${temp} ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert 1.66666666666667 group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 ${temp} ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert 1.66666666666667 group co2 rigid myrigidnvt

# output

@@ -106,7 +107,7 @@ WARNING: Using 12-bit tables for long-range coulomb (../kspace.cpp:321)
  estimated relative force accuracy = 0.0001
  KSpace vectors: actual max1d max3d = 16 2 62
                  kxmax kymax kzmax  = 2 2 2
WARNING: Fix gcmc using full_energy option (../fix_gcmc.cpp:439)
WARNING: Fix gcmc using full_energy option (../fix_gcmc.cpp:445)
0 atoms in group FixGCMC:gcmc_exclusion_group:mygcmc
0 atoms in group FixGCMC:rotation_gas_atoms:mygcmc
WARNING: Neighbor exclusions used with KSpace solver may give inconsistent Coulombic energies (../neighbor.cpp:472)
@@ -122,56 +123,58 @@ Neighbor list info ...
      pair build: half/bin/newton
      stencil: half/bin/3d/newton
      bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.61 | 15.61 | 15.61 Mbytes
Per MPI rank memory allocation (min/avg/max) = 15.62 | 15.62 | 15.62 Mbytes
Step Temp Press PotEng KinEng Density Atoms v_iacc v_dacc v_tacc v_racc 
       0    364.27579    4238.8631   -9.6809388    13.391989    0.5846359       24            0            0            0            0 
    1000    311.39835   -327.93481   -8.6795381    9.9010062   0.51155641       21   0.13302848   0.12331626    0.6894397   0.90997852 
WARNING: Using kspace solver on system with no charge (../kspace.cpp:289)
    2000    905.66812    319.43347  -0.50350961    6.2991241   0.14615898        6   0.20952183   0.20430213   0.71797992   0.92626683 
    3000    275.57393   -719.89718   -26.534978    14.238181   0.80387436       33   0.21291069   0.20460696   0.72899202    0.9133259 
    4000    254.70771   -245.01902   -20.981537    13.160079   0.80387436       33   0.17245726   0.16974613   0.70145764   0.90542759 
    5000    96.073601   -517.98124   -34.019065     5.441166   0.87695385       36   0.14174575   0.13607057    0.6776754   0.90155771 
    6000    397.57265    148.92645   -7.2012893    10.665797   0.43847693       18   0.12299956    0.1202471   0.66165464   0.90274793 
    7000     455.4271   -347.44181   -5.9244703    12.217875   0.43847693       18   0.15182038   0.14791307   0.67904236   0.90560829 
    8000    301.03124   -627.45324   -13.251012    11.066909    0.5846359       24   0.16687346   0.16315516    0.6936719   0.91129375 
    9000     256.5747   -565.67983   -17.814128    11.981874   0.73079488       30   0.15458482   0.15131825   0.68966283   0.90993975 
   10000    443.60076    89.586912    -6.077863    11.900606   0.43847693       18   0.16092552   0.16020353   0.69882461   0.91422145 
   11000    436.43777    64.412921   -6.7128469    11.708443   0.43847693       18   0.17453966   0.17480683   0.70679243   0.91369445 
   12000    594.42207    849.07743   -3.3708621    10.040536   0.29231795       12   0.17461606   0.17568622   0.71175869   0.91333367 
   13000    426.85849   -1093.1334   -17.524618    17.813377   0.65771539       27   0.17742896   0.17792831   0.71363306   0.91450124 
   14000    317.75995    336.31107    -10.46774    11.681912    0.5846359       24   0.18331181   0.18427921   0.71715557   0.91652256 
   15000    272.65129    317.50536   -26.428336    14.087176   0.80387436       33   0.17449167     0.175957   0.71122398   0.91528038 
   16000    344.28567   -577.91079   -18.177927    16.077919   0.73079488       30    0.1661682   0.16781514   0.70485136   0.91508882 
   17000    134.55928    -193.5668   -30.297136    7.6208177   0.87695385       36   0.15965609    0.1605036   0.69658104    0.9140445 
   18000    231.87302   -446.07671   -14.875027    9.6763722   0.65771539       27   0.15270985   0.15351831   0.69002918   0.91372795 
   19000     328.6835   -280.22365   -20.001303    16.982214   0.80387436       33   0.15201017   0.15272181   0.69023195   0.91272534 
   20000            0    -20.39554  -0.14872889           -0            0        0   0.15600204   0.15750795   0.69503275    0.9138765 
Loop time of 30.9008 on 1 procs for 20000 steps with 0 atoms

Performance: 55.921 ns/day, 0.429 hours/ns, 647.233 timesteps/s
99.8% CPU use with 1 MPI tasks x no OpenMP threads
    1000    420.43475    1722.4052   -9.6956123    15.456579    0.5846359       24   0.20879341   0.20713005            0            0 
    2000    302.29516   -547.83641   -22.017674     14.11699   0.73079488       30    0.1742478    0.1678018            0            0 
    3000     316.6934   -1080.2672   -8.2218891    10.069364   0.51155641       21   0.13544917   0.13720634            0            0 
    4000    246.81618   -679.83642   -14.577244     10.29997   0.65771539       27    0.1568939   0.15860229            0            0 
    5000    260.22849   -896.29914   -16.097593    10.859684   0.65771539       27   0.13138744   0.13547049            0            0 
    6000    291.70796     -1521.99   -22.303136    13.622574   0.73079488       30   0.12615476   0.12717694            0            0 
    7000    236.02638   -599.92186   -27.580831    13.367447   0.87695385       36     0.119703   0.12145398            0            0 
    8000    321.45341    688.10577    -10.09204    11.817696    0.5846359       24   0.10917411   0.11032646            0            0 
    9000    502.85382   -302.31056  -0.22330142   0.99927447  0.073079488        3    0.1254105   0.12905828            0            0 
   10000    249.98239    -510.0091   -32.815145    15.399767   0.95003334       39    0.1274504   0.12875623            0            0 
   11000    247.59424   -1129.0274   -25.320205    12.792544   0.80387436       33   0.11739076   0.11916784            0            0 
   12000            0    -20.39554  -0.14872889           -0            0        0    0.1254933   0.12920375            0            0 
   13000    1272.2738   -474.79484  -0.29450485    8.8489483   0.14615898        6   0.13767133   0.14112496            0            0 
   14000    516.54246   -36.296516   -5.0012009    11.291243   0.36539744       15   0.15632744   0.15955377            0            0 
   15000    307.09233    1951.9301   -14.820362    12.815375   0.65771539       27   0.15393544   0.15716192            0            0 
   16000    198.31989   -559.48443   -30.459487    11.231925   0.87695385       36    0.1482565   0.15025652            0            0 
   17000    246.99311    657.85683   -18.579206     11.53442   0.73079488       30   0.14143958   0.14375423            0            0 
   18000    467.13468    167.03738   -1.0945268     5.569759   0.21923846        9   0.13847359   0.14098533            0            0 
   19000    359.54027   -1413.5407   -12.156233    13.217895    0.5846359       24   0.15169146   0.15294205            0            0 
   20000    227.79597   -1204.5652    -23.24144    10.637925   0.73079488       30   0.14917199   0.15022946            0            0 
Loop time of 20.153 on 1 procs for 20000 steps with 30 atoms

Performance: 85.744 ns/day, 0.280 hours/ns, 992.408 timesteps/s
99.3% CPU use with 1 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 2.1985     | 2.1985     | 2.1985     |   0.0 |  7.11
Bond    | 0.029596   | 0.029596   | 0.029596   |   0.0 |  0.10
Kspace  | 0.23123    | 0.23123    | 0.23123    |   0.0 |  0.75
Neigh   | 0.16141    | 0.16141    | 0.16141    |   0.0 |  0.52
Comm    | 0.20628    | 0.20628    | 0.20628    |   0.0 |  0.67
Output  | 0.00068831 | 0.00068831 | 0.00068831 |   0.0 |  0.00
Modify  | 28.022     | 28.022     | 28.022     |   0.0 | 90.69
Other   |            | 0.05058    |            |       |  0.16

Nlocal:    0 ave 0 max 0 min
Pair    | 2.5352     | 2.5352     | 2.5352     |   0.0 | 12.58
Bond    | 0.026112   | 0.026112   | 0.026112   |   0.0 |  0.13
Kspace  | 0.25       | 0.25       | 0.25       |   0.0 |  1.24
Neigh   | 0.10364    | 0.10364    | 0.10364    |   0.0 |  0.51
Comm    | 0.22907    | 0.22907    | 0.22907    |   0.0 |  1.14
Output  | 0.0013065  | 0.0013065  | 0.0013065  |   0.0 |  0.01
Modify  | 16.957     | 16.957     | 16.957     |   0.0 | 84.14
Other   |            | 0.05061    |            |       |  0.25

Nlocal:    30 ave 30 max 30 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost:    0 ave 0 max 0 min
Nghost:    2310 ave 2310 max 2310 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs:    0 ave 0 max 0 min
Neighs:    7736 ave 7736 max 7736 min
Histogram: 1 0 0 0 0 0 0 0 0 0

Total # of neighbors = 0
Neighbor list builds = 40367
Dangerous builds = 118
Total # of neighbors = 7736
Ave neighs/atom = 257.867
Ave special neighs/atom = 2
Neighbor list builds = 20349
Dangerous builds = 0

Total wall time: 0:00:30
Total wall time: 0:00:20
+180 −0
Original line number Diff line number Diff line
LAMMPS (17 Mar 2017)
LAMMPS (6 Jul 2017)
  using 1 OpenMP thread(s) per MPI task
# GCMC for CO2 molecular fluid, rigid/small/nvt dynamics
# Rigid CO2 TraPPE model
# [Potoff and J.I. Siepmann, Vapor-liquid equilibria of
@@ -80,11 +81,11 @@ fix_modify myrigidnvt dynamic/dof no
# gcmc

variable        tfac equal 5.0/3.0 # (3 trans + 2 rot)/(3 trans)
fix             mygcmc all gcmc 100 100 100 0 54341 ${temp} ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 100 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert 1.66666666666667 group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 ${temp} ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 ${mu} ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 ${disp} mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert ${tfac} group co2 rigid myrigidnvt
fix             mygcmc all gcmc 100 100 0 0 54341 338.0 -8.1 0.5 mol                 co2mol tfac_insert 1.66666666666667 group co2 rigid myrigidnvt

# output

@@ -106,7 +107,7 @@ WARNING: Using 12-bit tables for long-range coulomb (../kspace.cpp:321)
  estimated relative force accuracy = 0.0001
  KSpace vectors: actual max1d max3d = 16 2 62
                  kxmax kymax kzmax  = 2 2 2
WARNING: Fix gcmc using full_energy option (../fix_gcmc.cpp:439)
WARNING: Fix gcmc using full_energy option (../fix_gcmc.cpp:445)
0 atoms in group FixGCMC:gcmc_exclusion_group:mygcmc
0 atoms in group FixGCMC:rotation_gas_atoms:mygcmc
WARNING: Neighbor exclusions used with KSpace solver may give inconsistent Coulombic energies (../neighbor.cpp:472)
@@ -122,58 +123,58 @@ Neighbor list info ...
      pair build: half/bin/newton
      stencil: half/bin/3d/newton
      bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.4 | 15.4 | 15.4 Mbytes
Per MPI rank memory allocation (min/avg/max) = 15.41 | 15.41 | 15.41 Mbytes
Step Temp Press PotEng KinEng Density Atoms v_iacc v_dacc v_tacc v_racc 
       0    386.52184    23582.465   -3.2433417    14.209828    0.5846359       24            0            0            0            0 
WARNING: Using kspace solver on system with no charge (../kspace.cpp:289)
    1000    760.80877   -39.270882   -3.5239626    12.851016   0.29231795       12   0.24161633   0.22984103   0.71087092   0.85283311 
    2000     308.0739     -255.061   -20.411926    14.386853   0.73079488       30   0.26075352   0.24898725   0.73128383   0.88590474 
    3000    432.34358   -1361.3278   -12.644057    15.894387    0.5846359       24   0.21121583   0.21051229   0.70036003   0.86735027 
    4000      631.524   -63.488785   -3.6517158    13.804656   0.36539744       15   0.22486443   0.22886173   0.72358173   0.87172606 
    5000    730.61244    -1029.284   -6.2144028    19.600352   0.43847693       18   0.23017182   0.22740779   0.72281887   0.87820845 
    6000    752.43412     503.4547   -3.7053679    16.447663   0.36539744       15   0.22943971     0.226183   0.71450085   0.87447436 
    7000    660.68448    828.51735   -10.592278    21.006666   0.51155641       21   0.24702096   0.24218506   0.71815602    0.8740222 
    8000    331.58822   -621.22187   -5.3705759    7.2482776   0.36539744       15   0.23211903   0.22906813   0.70281376   0.86269411 
    9000    413.91538    869.51669    -11.28701    15.216905    0.5846359       24   0.23246466   0.22923961   0.70832684   0.86244176 
   10000    242.20861   -808.23311   -5.4533937    5.2945044   0.36539744       15   0.22024676   0.22031775   0.70785097   0.85712561 
   11000    348.20046   -372.16895   -3.4663358    7.6114092   0.36539744       15    0.2252033   0.22688969   0.71513402   0.86123263 
   12000    251.99682    303.30092    -18.58289    11.768089   0.73079488       30   0.20916844   0.21068047     0.694787   0.84635875 
   13000    306.83592   -1582.0137   -20.810287    14.329041   0.73079488       30   0.19494837     0.196527   0.67554784   0.83056119 
   14000    476.57411    268.94927   -14.185859    19.888076   0.65771539       27   0.19779631   0.20016859   0.67957528   0.83375167 
   15000    267.03534    730.71183   -9.3348616    9.8171066    0.5846359       24   0.19468305   0.19814971   0.68032974   0.83810439 
   16000    639.83235    2190.3244   -9.6666503    26.701062   0.65771539       27   0.19520687   0.19848997   0.68514387   0.84100361 
   17000    2237.1203   -222.59057  -0.18248834    4.4456205  0.073079488        3   0.20412446   0.20757814   0.69175318    0.8434939 
   18000    754.44841    205.54694   -10.501943    27.736031    0.5846359       24    0.2129422   0.21508015   0.69665031   0.84758331 
   19000    1610.1148    1293.6003  -0.20849836    3.1996309  0.073079488        3   0.22061668   0.22356929   0.69949369   0.84851405 
   20000    231.61458   -39.696514   -4.6452226    5.0629266   0.36539744       15   0.21984893   0.22246517   0.69914635   0.85058457 
Loop time of 21.1019 on 4 procs for 20000 steps with 15 atoms

Performance: 81.888 ns/day, 0.293 hours/ns, 947.781 timesteps/s
98.9% CPU use with 4 MPI tasks x no OpenMP threads
    1000    335.66829   -3.7743052   -4.6268612    7.3374649   0.36539744       15   0.20601899   0.20787963            0            0 
    2000    459.73529    238.91592  -0.42937831    5.4815343   0.21923846        9   0.30392058   0.30105616            0            0 
    3000    255.47773   -479.67802   -36.850434    15.738299   0.95003334       39   0.22220744    0.2197582            0            0 
    4000    182.70803   -1059.2262   -43.044833    12.163134    1.0231128       42   0.16781689   0.16716177            0            0 
    5000    234.00907   -1821.0444    -46.04795    15.578317    1.0231128       42   0.13498091   0.13704201            0            0 
    6000    163.42759   -774.67294   -49.686261    11.691518    1.0961923       45   0.11401677   0.11296973            0            0 
    7000    171.64616   -355.23516   -49.323434     12.27947    1.0961923       45  0.098302308  0.098552065            0            0 
    8000    251.29791   -905.47863   -37.841209    15.480807   0.95003334       39  0.086856972   0.08638658            0            0 
    9000    143.69498   -849.95393   -49.073188    10.279858    1.0961923       45  0.078261061  0.077955243            0            0 
   10000    239.35727   -1158.1879   -43.562047    15.934355    1.0231128       42  0.070789792  0.070807529            0            0 
   11000    169.51213   -1574.7885   -51.125228    12.126803    1.0961923       45  0.065008734   0.06498871            0            0 
   12000    181.39739    160.11631   -46.850937    12.977068    1.0961923       45  0.059648717  0.059514803            0            0 
   13000    164.14601   -1107.7629   -50.726722    11.742914    1.0961923       45  0.055207333  0.055097701            0            0 
   14000    287.26285    418.51463   -41.664766    19.123497    1.0231128       42  0.051346789  0.051222285            0            0 
   15000    256.94593   -532.36615   -41.651618    17.105257    1.0231128       42  0.047870301  0.047861685            0            0 
   16000    166.92132    151.15933   -39.957018     11.11219    1.0231128       42  0.045205599  0.045042211            0            0 
   17000    163.22452   -1299.8119   -42.677558    10.866089    1.0231128       42  0.043122086  0.042993687            0            0 
   18000    158.01154    475.77329   -48.803162    11.304057    1.0961923       45  0.041016683  0.040647229            0            0 
   19000    138.49297   -1585.1508   -47.517099    9.9077098    1.0961923       45  0.038929287  0.038436764            0            0 
   20000    173.84439   -1362.6301   -53.002743    12.436731    1.0961923       45  0.036973919  0.036523816            0            0 
Loop time of 31.8386 on 4 procs for 20000 steps with 45 atoms

Performance: 54.274 ns/day, 0.442 hours/ns, 628.168 timesteps/s
98.5% CPU use with 4 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 0.31897    | 0.41973    | 0.49748    |  10.1 |  1.99
Bond    | 0.014808   | 0.015063   | 0.015289   |   0.2 |  0.07
Kspace  | 0.3813     | 0.46228    | 0.56585    |   9.8 |  2.19
Neigh   | 0.049173   | 0.050043   | 0.050868   |   0.3 |  0.24
Comm    | 0.9755     | 0.99686    | 1.0205     |   1.9 |  4.72
Output  | 0.0014546  | 0.0015051  | 0.0016098  |   0.2 |  0.01
Modify  | 19.043     | 19.062     | 19.085     |   0.4 | 90.33
Other   |            | 0.09438    |            |       |  0.45

Nlocal:    3.75 ave 6 max 3 min
Histogram: 3 0 0 0 0 0 0 0 0 1
Nghost:    876.5 ave 937 max 818 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Neighs:    490.5 ave 647 max 363 min
Histogram: 1 0 1 0 0 1 0 0 0 1

Total # of neighbors = 1962
Ave neighs/atom = 130.8
Pair    | 1.1546     | 1.6687     | 2.1338     |  29.5 |  5.24
Bond    | 0.019769   | 0.020369   | 0.02132    |   0.4 |  0.06
Kspace  | 0.53392    | 0.99911    | 1.5116     |  37.8 |  3.14
Neigh   | 0.06737    | 0.067842   | 0.068412   |   0.2 |  0.21
Comm    | 1.9408     | 1.9582     | 1.9733     |   1.1 |  6.15
Output  | 0.0019503  | 0.0020472  | 0.0022476  |   0.3 |  0.01
Modify  | 26.974     | 26.99      | 27.001     |   0.2 | 84.77
Other   |            | 0.1322     |            |       |  0.42

Nlocal:    11.25 ave 14 max 8 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Nghost:    2639.75 ave 2656 max 2617 min
Histogram: 1 0 0 0 0 0 2 0 0 1
Neighs:    4320 ave 5824 max 2201 min
Histogram: 1 0 0 0 0 0 1 1 0 1

Total # of neighbors = 17280
Ave neighs/atom = 384
Ave special neighs/atom = 2
Neighbor list builds = 40070
Dangerous builds = 115
Neighbor list builds = 20394
Dangerous builds = 0

Total wall time: 0:00:21
Total wall time: 0:00:31
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