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HTML
266 lines
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<title>info command — LAMMPS documentation</title>
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<a href="Manual.html" class="icon icon-home"> LAMMPS
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="Section_intro.html">1. Introduction</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_start.html">2. Getting Started</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_commands.html">3. Commands</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_packages.html">4. Packages</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_accelerate.html">5. Accelerating LAMMPS performance</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_howto.html">6. How-to discussions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_example.html">7. Example problems</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_perf.html">8. Performance & scalability</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_tools.html">9. Additional tools</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_modify.html">10. Modifying & extending LAMMPS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_python.html">11. Python interface to LAMMPS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_errors.html">12. Errors</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_history.html">13. Future and history</a></li>
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<li><a href="Manual.html">Docs</a> »</li>
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<li>info command</li>
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<a href="http://lammps.sandia.gov">Website</a>
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<a href="Section_commands.html#comm">Commands</a>
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<div class="section" id="info-command">
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<span id="index-0"></span><h1>info command</h1>
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<div class="section" id="syntax">
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<h2>Syntax</h2>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">info</span> <span class="n">args</span>
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</pre></div>
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</div>
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<dl class="docutils">
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<dt>args = one or more of the following keywords: <em>out</em>, <em>all</em>, <em>system</em>, <em>communication</em>, <em>computes</em>, <em>dumps</em>, <em>fixes</em>, <em>groups</em>, <em>regions</em>, <em>variables</em>, <em>time</em>, or <em>configuration</em></dt>
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<dd><em>out</em> values = <em>screen</em>, <em>log</em>, <em>append</em> filename, <em>overwrite</em> filename:ul</dd>
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</dl>
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</div>
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<div class="section" id="examples">
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<h2>Examples</h2>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">info</span> <span class="n">system</span>
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<span class="n">info</span> <span class="n">groups</span> <span class="n">computes</span> <span class="n">variables</span>
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<span class="n">info</span> <span class="nb">all</span> <span class="n">out</span> <span class="n">log</span>
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<span class="n">info</span> <span class="nb">all</span> <span class="n">out</span> <span class="n">append</span> <span class="n">info</span><span class="o">.</span><span class="n">txt</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="description">
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<h2>Description</h2>
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<p>Print out information about the current internal state of the running
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LAMMPS process. This can be helpful when debugging or validating
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complex input scripts. Several output categories are available and
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one or more output category may be requested.</p>
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<p>The <em>out</em> flag controls where the output is sent. It can only be sent
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to one target. By default this is the screen, if it is active. The
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<em>log</em> argument selects the log file instead. With the <em>append</em> and
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<em>overwrite</em> option, followed by a filename, the output is written
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to that file, which is either appended to or overwritten, respectively.</p>
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<p>The <em>all</em> flag activates printing all categories listed below.</p>
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<p>The <em>system</em> category prints a general system overview listing. This
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includes the unit style, atom style, number of atoms, bonds, angles,
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dihedrals, and impropers and the number of the respective types, box
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dimensions and properties, force computing styles and more.</p>
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<p>The <em>communication</em> category prints a variety of information about
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communication and parallelization: the MPI library version level,
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the number of MPI ranks and OpenMP threads, the communication style
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and layout, the processor grid dimensions, ghost atom communication
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mode, cutoff, and related settings.</p>
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<p>The <em>computes</em> category prints a list of all currently defined
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computes, their IDs and styles and groups they operate on.</p>
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<p>The <em>dumps</em> category prints a list of all currently active dumps,
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their IDs, styles, filenames, groups, and dump frequencies.</p>
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<p>The <em>fixes</em> category prints a list of all currently defined fixes,
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their IDs and styles and groups they operate on.</p>
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<p>The <em>groups</em> category prints a list of all currently defined groups.</p>
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<p>The <em>regions</em> category prints a list of all currently defined regions,
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their IDs and styles and whether “inside” or “outside” atoms are
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selected.</p>
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<p>The <em>variables</em> category prints a list of all currently defined
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variables, their names, styles, definition and last computed value, if
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available.</p>
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<p>The <em>time</em> category prints the accumulated CPU and wall time for the
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process that writes output (usually MPI rank 0).</p>
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<p>The <em>configuration</em> command prints some information about the LAMMPS
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version and architection and OS it is run on. Where supported, also
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information about the memory consumption provided by the OS is
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reported.</p>
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</div>
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<div class="section" id="restrictions">
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<h2>Restrictions</h2>
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<blockquote>
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<div>none</div></blockquote>
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</div>
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<div class="section" id="related-commands">
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<h2>Related commands</h2>
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<p><a class="reference internal" href="print.html"><span class="doc">print</span></a></p>
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</div>
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<div class="section" id="default">
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<h2>Default</h2>
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<p>The <em>out</em> option has the default <em>screen</em>.</p>
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© Copyright 2013 Sandia Corporation.
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