Dear Lammps users,
What is the benefit dumping output file into several files instead to 1 file ?
for example
write_restart restart.out.%
with
write_restart restart.out
May be it can also help to reduce round-off error during transfering ?
Thanks,
Erik
Dear Lammps users,
What is the benefit dumping output file into several files instead to 1 file
?
for example
write_restart restart.out.%
with
write_restart restart.out
from my understanding, it just faster to dump everything from each
processor.
yes, and only for very large systems when run across
a very large number of processors.
May be it can also help to reduce round-off error during transfering ?
nope. transfer what from where to where?
floating point numbers in LAMMPS restarts are written in full double
precision and they are communicated bytewise as complete objects.
thus there is no loss of accuracy.
you _do_ lose accuracy when writing/reading text format files
unless you change the default format string accordingly.
cheers,
axel.