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@ -25,66 +25,49 @@ suffix gpu
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</PRE>
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<P><B>Description:</B>
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</P>
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<P>This command allows you to set a suffix which will
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be added
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<P>This command allows you to use variants of various styles if they
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exist. In that respect it operates the same as the <A HREF = "Section_start.html#2_6">-suffix
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command-line switch</A>. It also has options to
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turn off/on any suffix setting made via the command line.
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</P>
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<P>Use variants of various styles if they exist. The specified style can
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be <I>opt</I> or <I>gpu</I> or <I>cuda</I>. These refer to optional packages that
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LAMMPS can be built with, as described above in <A HREF = "#2_3">Section 2.3</A>.
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The "opt" style corrsponds to the OPT package, the "gpu" style to the
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GPU package, and the "cuda" style to the USER-CUDA package.
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<P>The specified style can be <I>opt</I> or <I>gpu</I> or <I>cuda</I>. These refer to
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optional packages that LAMMPS can be built with, as described in <A HREF = "Section_start.html#2_3">this
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section of the manual</A>. The "opt" style
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corrsponds to the OPT package, the "gpu" style to the GPU package, and
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the "cuda" style to the USER-CUDA package.
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</P>
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<P>As an example, all of the packages provide a <A HREF = "pair_lj.html">pair_style
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lj/cut</A> variant, with style names lj/cut/opt or
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lj/cut/gpu or lj/cut/cuda. Any variant styles can be specified
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explicitly in your input script, e.g. pair_style lj/cut/gpu. If the
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-suffix switch is used, you do not need to modify your input script.
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The specified suffix (opt,gpu,cuda) is automatically appended whenever
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an input script command creates a new atom, pair, fix, compute, or
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integrate style. If the variant version does not exist, the standard
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version is created.
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</P>
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<P>The <A HREF = "suffix.html">suffix</A> command can also set the suffix. It can also
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turn off/on the suffix associated with this command-line switch.
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</P>
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<P>Alter settings for use of accelerated versions of various styles.
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LAMMPS can be built with optional packages which provide accelerated
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versions of specific <A HREF = "atom_style.html">atom</A>, <A HREF = "pair_style.html">pair</A>,
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<A HREF = "fix.html">fix</A>, <A HREF = "compute.html">compute</A>, and <A HREF = "run_style.html">integrate</A>
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styles.
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</P>
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<P>These are the relevant packages:
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<P>These are the relevant packages and the variants they provide:
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</P>
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<UL><LI>OPT = a handful of pair styles, cache-optimized for faster CPU performance
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<LI>GPU = a handful of pair styles and the PPPM kspace_style, optimized to run on one or more GPUs or multicore CPU/GPU nodes
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<LI>USER-CUDA = a collection of atom, pair, fix, compute, and intergrate styles, optimized to run on one or more NVIDIA GPUs
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</UL>
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<P>See <A HREF = "Section_start.html#2_3">this section</A> of the manual for
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instructions on how to build LAMMPS with any of these packages.
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<P>As an example, all of the packages provide a <A HREF = "pair_lj.html">pair_style
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lj/cut</A> variant, with style names lj/cut/opt or
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lj/cut/gpu or lj/cut/cuda. Any variant styles can be specified
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explicitly in your input script, e.g. pair_style lj/cut/gpu. If the
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suffix command is used with the appropriate style, you do not need to
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modify your input script. The specified suffix (opt,gpu,cuda) is
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automatically appended whenever an input script command creates a new
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<A HREF = "atom_style.html">atom</A>, <A HREF = "pair_style.html">pair</A>, <A HREF = "fix.html">fix</A>,
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<A HREF = "compute.html">compute</A>, or <A HREF = "run_style.html">integrate</A> style. If the
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variant version does not exist, the standard version is created.
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</P>
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<P>These styles can be specified explicitly in your input script,
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e.g. <A HREF = "pair_lj.html">pair_style lj/cut/gpu</A>. If the -accelerator
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command-line switch is used, you do not need to modify your input
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script, as discussed in <A HREF = "Section_start.html#2_6">this section</A> of the
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manual. The command-line suffix (opt,gpu,cuda) is automatically
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appended when the style is created for atom, pair, fix, compute, and
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integrate styles. If an accelerated version does not exist, the
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standard version is created.
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</P>
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<P>If the -accelerator command-line switch is used, you may wish to
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disable it for one or more input script commands, so that the standard
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version of the style is used instead of the accelerated one. This can
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be useful for performance testing or debugging.
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</P>
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<P>The <I>off</I> style allows you to do this. The effect of the -accelerator
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command-line switch is effectively turned off until another
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accelerator command is used with the <I>on</I> style.
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<P>If the specified style is <I>off</I>, then any previously specified suffix
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is temporarily disabled, whether it was specified by a command-line
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switch or a previous suffix command. If the specified style is <I>on</I>,
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a previously specified suffix is turned back on. The use of these 2
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commands lets your input script use a standard LAMMPS style (i.e. a
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non-accelerated variant), which can be useful for testing or
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benchmarking purposes. Of course this is also possible by not using
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the suffix command, and explictly appending or non appending the
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suffix to the relevant commands in your input script.
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</P>
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<P><B>Restrictions:</B> none
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</P>
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<P><B>Related commands:</B>
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</P>
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<P><A HREF = "Section_start.html_2_6">Command-line switch -suffix</A>
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<P><A HREF = "Section_start.html#2_6">Command-line switch -suffix</A>
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</P>
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<P><B>Default:</B> none
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</P>
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@ -22,67 +22,48 @@ suffix gpu :pre
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[Description:]
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This command allows you to set a suffix which will
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be added
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This command allows you to use variants of various styles if they
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exist. In that respect it operates the same as the "-suffix
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command-line switch"_Section_start.html#2_6. It also has options to
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turn off/on any suffix setting made via the command line.
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Use variants of various styles if they exist. The specified style can
|
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be {opt} or {gpu} or {cuda}. These refer to optional packages that
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LAMMPS can be built with, as described above in "Section 2.3"_#2_3.
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The "opt" style corrsponds to the OPT package, the "gpu" style to the
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GPU package, and the "cuda" style to the USER-CUDA package.
|
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The specified style can be {opt} or {gpu} or {cuda}. These refer to
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optional packages that LAMMPS can be built with, as described in "this
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section of the manual"_Section_start.html#2_3. The "opt" style
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corrsponds to the OPT package, the "gpu" style to the GPU package, and
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the "cuda" style to the USER-CUDA package.
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As an example, all of the packages provide a "pair_style
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lj/cut"_pair_lj.html variant, with style names lj/cut/opt or
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lj/cut/gpu or lj/cut/cuda. Any variant styles can be specified
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explicitly in your input script, e.g. pair_style lj/cut/gpu. If the
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-suffix switch is used, you do not need to modify your input script.
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The specified suffix (opt,gpu,cuda) is automatically appended whenever
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an input script command creates a new atom, pair, fix, compute, or
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integrate style. If the variant version does not exist, the standard
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version is created.
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The "suffix"_suffix.html command can also set the suffix. It can also
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turn off/on the suffix associated with this command-line switch.
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|
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Alter settings for use of accelerated versions of various styles.
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LAMMPS can be built with optional packages which provide accelerated
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versions of specific "atom"_atom_style.html, "pair"_pair_style.html,
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"fix"_fix.html, "compute"_compute.html, and "integrate"_run_style.html
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styles.
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These are the relevant packages:
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These are the relevant packages and the variants they provide:
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OPT = a handful of pair styles, cache-optimized for faster CPU performance
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GPU = a handful of pair styles and the PPPM kspace_style, optimized to run on one or more GPUs or multicore CPU/GPU nodes
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USER-CUDA = a collection of atom, pair, fix, compute, and intergrate styles, optimized to run on one or more NVIDIA GPUs :ul
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See "this section"_Section_start.html#2_3 of the manual for
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instructions on how to build LAMMPS with any of these packages.
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As an example, all of the packages provide a "pair_style
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lj/cut"_pair_lj.html variant, with style names lj/cut/opt or
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lj/cut/gpu or lj/cut/cuda. Any variant styles can be specified
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explicitly in your input script, e.g. pair_style lj/cut/gpu. If the
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suffix command is used with the appropriate style, you do not need to
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modify your input script. The specified suffix (opt,gpu,cuda) is
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automatically appended whenever an input script command creates a new
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"atom"_atom_style.html, "pair"_pair_style.html, "fix"_fix.html,
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"compute"_compute.html, or "integrate"_run_style.html style. If the
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variant version does not exist, the standard version is created.
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These styles can be specified explicitly in your input script,
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e.g. "pair_style lj/cut/gpu"_pair_lj.html. If the -accelerator
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command-line switch is used, you do not need to modify your input
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script, as discussed in "this section"_Section_start.html#2_6 of the
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manual. The command-line suffix (opt,gpu,cuda) is automatically
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appended when the style is created for atom, pair, fix, compute, and
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integrate styles. If an accelerated version does not exist, the
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standard version is created.
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If the -accelerator command-line switch is used, you may wish to
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disable it for one or more input script commands, so that the standard
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version of the style is used instead of the accelerated one. This can
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be useful for performance testing or debugging.
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The {off} style allows you to do this. The effect of the -accelerator
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command-line switch is effectively turned off until another
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accelerator command is used with the {on} style.
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If the specified style is {off}, then any previously specified suffix
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is temporarily disabled, whether it was specified by a command-line
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switch or a previous suffix command. If the specified style is {on},
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a previously specified suffix is turned back on. The use of these 2
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commands lets your input script use a standard LAMMPS style (i.e. a
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non-accelerated variant), which can be useful for testing or
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benchmarking purposes. Of course this is also possible by not using
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the suffix command, and explictly appending or non appending the
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suffix to the relevant commands in your input script.
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[Restrictions:] none
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[Related commands:]
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"Command-line switch -suffix"_Section_start.html_2_6
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"Command-line switch -suffix"_Section_start.html#2_6
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[Default:] none
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|
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