info command — LIGGGHTS v3.X documentation

# info command

## Syntax

    info args

args = one or more of the following keywords: out, all, system, communication, computes, dumps, fixes, groups, regions, variables, time, or configuration
  out values = screen, log, append filename, overwrite filename:ul

## Examples

    info system
    info groups computes variables
    info all out log
    info all out append info.txt

## Description

Print out information about the current internal state of the running LIGGGHTS(R)-PUBLIC process. This can be helpful when debugging or validating complex input scripts. Several output categories are available and one or more output category may be requested.

The out flag controls where the output is sent. It can only be sent to one target. By default this is the screen, if it is active. The log argument selects the log file instead. With the append and overwrite option, followed by a filename, the output is written to that file, which is either appended to or overwritten, respectively.

The all flag activates printing all categories listed below.

The system category prints a general system overview listing. This includes the unit style, atom style, number of atoms, bonds, angles, dihedrals, and impropers and the number of the respective types, box dimensions and properties, force computing styles and more.

The communication category prints a variety of information about communication and parallelization: the MPI library version level, the number of MPI ranks and OpenMP threads, the communication style and layout, the processor grid dimensions, ghost atom communication mode, cutoff, and related settings.

The computes category prints a list of all currently defined computes, their IDs and styles and groups they operate on.

The dumps category prints a list of all currently active dumps, their IDs, styles, filenames, groups, and dump frequencies.

The fixes category prints a list of all currently defined fixes, their IDs and styles and groups they operate on.

The groups category prints a list of all currently defined groups.

The regions category prints a list of all currently defined regions, their IDs and styles and whether “inside” or “outside” atoms are selected.

The variables category prints a list of all currently defined variables, their names, styles, definition and last computed value, if available.

The time category prints the accumulated CPU and wall time for the process that writes output (usually MPI rank 0).

The configuration command prints some information about the LIGGGHTS(R)-PUBLIC version and architection and OS it is run on. Where supported, also information about the memory consumption provided by the OS is reported.

## Restrictions

> none

## Related commands

print

## Default

The out option has the default screen.