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lammps/src/USER-INTEL/pair_lj_cut_intel.h
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pair_lj_cut_intel.h
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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
Contributing author: W. Michael Brown (Intel)
------------------------------------------------------------------------- */
#ifdef PAIR_CLASS
PairStyle(lj/cut/intel,PairLJCutIntel)
#else
#ifndef LMP_PAIR_LJ_CUT_INTEL_H
#define LMP_PAIR_LJ_CUT_INTEL_H
#include "pair_lj_cut.h"
#include "fix_intel.h"
namespace LAMMPS_NS {
class PairLJCutIntel : public PairLJCut {
public:
PairLJCutIntel(class LAMMPS *);
virtual void compute(int, int);
void init_style();
private:
FixIntel *fix;
int _cop;
template <class flt_t> class ForceConst;
template <class flt_t, class acc_t>
void compute(int eflag, int vflag, IntelBuffers<flt_t,acc_t> *buffers,
const ForceConst<flt_t> &fc);
template <int EVFLAG, int EFLAG, int NEWTON_PAIR, class flt_t, class acc_t>
void eval(const int offload, const int vflag,
IntelBuffers<flt_t,acc_t> * buffers,
const ForceConst<flt_t> &fc, const int astart, const int aend);
template <class flt_t, class acc_t>
void pack_force_const(ForceConst<flt_t> &fc,
IntelBuffers<flt_t, acc_t> *buffers);
// ----------------------------------------------------------------------
template <class flt_t>
class ForceConst {
public:
typedef struct { flt_t cutsq, lj1, lj2, offset; } fc_packed1;
typedef struct { flt_t lj3, lj4; } fc_packed2;
__declspec(align(64)) flt_t special_lj[4];
fc_packed1 **ljc12o;
fc_packed2 **lj34;
ForceConst() : _ntypes(0) {}
~ForceConst() { set_ntypes(0, NULL, _cop); }
void set_ntypes(const int ntypes, Memory *memory, const int cop);
private:
int _ntypes, _cop;
Memory *_memory;
};
ForceConst<float> force_const_single;
ForceConst<double> force_const_double;
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: The 'package intel' command is required for /intel styles
Self-explanatory.
*/
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