forked from lijiext/lammps
86 lines
2.6 KiB
Groff
86 lines
2.6 KiB
Groff
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LAMMPS (16 Mar 2018)
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OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:90)
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using 1 OpenMP thread(s) per MPI task
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# granular chute flow
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units lj
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atom_style sphere
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boundary p p fs
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newton off
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comm_modify vel yes
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read_data data.granular
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orthogonal box = (0 0 0) to (40 20 37.2886)
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1 by 1 by 1 MPI processor grid
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reading atoms ...
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32000 atoms
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reading velocities ...
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32000 velocities
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pair_style gran/hooke/history 200000.0 NULL 50.0 NULL 0.5 0
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pair_coeff * *
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neighbor 0.1 bin
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neigh_modify delay 5 every 1
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timestep 0.0001
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group bottom type 2
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912 atoms in group bottom
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group active subtract all bottom
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31088 atoms in group active
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neigh_modify exclude group bottom bottom
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fix 1 all gravity 1.0 chute 26.0
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fix 2 bottom freeze
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fix 3 active nve/sphere
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compute 1 all erotate/sphere
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thermo_style custom step atoms ke c_1 vol
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thermo_modify norm no
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run 100
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Neighbor list info ...
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update every 1 steps, delay 5 steps, check yes
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max neighbors/atom: 2000, page size: 100000
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master list distance cutoff = 1.1
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ghost atom cutoff = 1.1
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binsize = 0.55, bins = 73 37 68
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1 neighbor lists, perpetual/occasional/extra = 1 0 0
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(1) pair gran/hooke/history, perpetual
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attributes: half, newton off, size, history
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pair build: half/size/bin/newtoff
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stencil: half/bin/3d/newtoff
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bin: standard
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Per MPI rank memory allocation (min/avg/max) = 23.36 | 23.36 | 23.36 Mbytes
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Step Atoms KinEng c_1 Volume
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0 32000 784139.13 1601.1263 29833.783
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100 32000 784292.08 1571.0968 29834.707
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Loop time of 0.292816 on 1 procs for 100 steps with 32000 atoms
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Performance: 2950.657 tau/day, 341.511 timesteps/s
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99.3% CPU use with 1 MPI tasks x 1 OpenMP threads
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MPI task timing breakdown:
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Section | min time | avg time | max time |%varavg| %total
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---------------------------------------------------------------
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Pair | 0.17449 | 0.17449 | 0.17449 | 0.0 | 59.59
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Neigh | 0.031927 | 0.031927 | 0.031927 | 0.0 | 10.90
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Comm | 0.010195 | 0.010195 | 0.010195 | 0.0 | 3.48
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Output | 0.00019121 | 0.00019121 | 0.00019121 | 0.0 | 0.07
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Modify | 0.064463 | 0.064463 | 0.064463 | 0.0 | 22.01
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Other | | 0.01155 | | | 3.94
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Nlocal: 32000 ave 32000 max 32000 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Nghost: 5463 ave 5463 max 5463 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Neighs: 115133 ave 115133 max 115133 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 115133
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Ave neighs/atom = 3.59791
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Neighbor list builds = 2
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Dangerous builds = 0
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Total wall time: 0:00:00
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