git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@6347 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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</H3>
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<P><B>Syntax:</B>
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</P>
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<PRE>pair_style style cutoff
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<PRE>pair_style resquared cutoff
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</PRE>
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<UL><LI>style = <I>resquared</I> or <I>resquared/gpu</I>
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<LI>cutoff = global cutoff for interactions (distance units)
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<UL><LI>cutoff = global cutoff for interactions (distance units)
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</UL>
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<P><B>Examples:</B>
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</P>
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<PRE>pair_style resquared 10.0
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pair_style resquared/gpu 10.0
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pair_coeff * * 1.0 1.0 1.7 3.4 3.4 1.0 1.0 1.0
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</PRE>
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<P><B>Description:</B>
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@ -36,9 +34,6 @@ of small spheres of size sigma. LJ particles are a single sphere of
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size sigma. The distinction is made to allow the pair style to make
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efficient calculations of ellipsoid/solvent interactions.
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</P>
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<P>Style <I>resquared/gpu</I> is a GPU-enabled version of style <I>resquared</I>.
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See more details below.
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</P>
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<P>Details for the equations used are given in the references below and
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in <A HREF = "PDF/pair_resquared_extra.pdf">this supplementary document</A>.
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</P>
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@ -150,18 +145,25 @@ specified in the pair_style command is used.
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</P>
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<HR>
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<P>The styles with a <I>gpu</I> suffix are identical to the corresponding
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styles without the suffix, except that each processor off-loads its
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pairwise calculations to a GPU. Depending on the hardware available
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on your system this can provide a speed-up. See <A HREF = "doc/Section_accerate.html">this
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section</A> of the manual for more details.
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<P>Styles with a <I>cuda</I>, <I>gpu</I>, or <I>opt</I> suffix are functionally the same
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as the corresponding style without the suffix. They have been
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optimized to run faster, depending on your available hardware, as
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discussed in <A HREF = "Section_accelerate.html">this section</A> of the manual.
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The accelerated styles take the same arguments and should produce the
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same results, except for round-off and precision issues.
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</P>
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<P>Additional requirements in your input script to run the styles with a
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<I>gpu</I> suffix are as follows:
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<P>These accelerated styles are part of the "user-cuda", "gpu", and "opt"
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packages respectively. They are only enabled if LAMMPS was built with
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those packages. See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A>
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section for more info.
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</P>
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<P>The <A HREF = "newton.html">newton pair</A> setting must be <I>off</I> and the <A HREF = "fix_gpu.html">fix
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gpu</A> command must be used. The fix controls the GPU
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selection and initialization steps.
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<P>You can specify the accelerated styles explicitly in your input script
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by including their suffix, or you can use the <A HREF = "Section_start.html#2_6">-suffix command-line
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switch</A> when you invoke LAMMPS, or you can use
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the <A HREF = "suffix.html">suffix</A> command in your input script.
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</P>
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<P>See <A HREF = "Section_accelerate.html">this section</A> of the manual for more
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instructions on how to use the accelerated styles effectively.
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</P>
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<HR>
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@ -203,9 +205,8 @@ command</A>.
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<P><B>Restrictions:</B>
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</P>
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<P>This style is part of the "asphere" package. The styles with a <I>gpu</I>
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suffix are part of the "gpu" package. They are only enabled if LAMMPS
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was built with those packages. See the <A HREF = "Section_start.html#2_3">Making
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<P>This style is part of the "asphere" package. It is only enabled if
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LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_3">Making
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LAMMPS</A> section for more info.
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</P>
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<P>This pair style requires that atoms be ellipsoids as defined by the
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