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pair_gpu_nbor_shared.h
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Fri, Jun 21, 15:15
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rLAMMPS lammps
pair_gpu_nbor_shared.h
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/* ----------------------------------------------------------------------
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 authors: Mike Brown (ORNL), brownw@ornl.gov
------------------------------------------------------------------------- */
#ifndef PAIR_GPU_NBOR_SHARED_H
#define PAIR_GPU_NBOR_SHARED_H
#ifdef USE_OPENCL
#include "geryon/ocl_kernel.h"
#include "geryon/ocl_texture.h"
using
namespace
ucl_opencl
;
#else
#include "geryon/nvd_kernel.h"
#include "geryon/nvd_texture.h"
using
namespace
ucl_cudadr
;
#endif
class
PairGPUNborShared
{
public:
PairGPUNborShared
()
:
_compiled
(
false
)
{}
~
PairGPUNborShared
()
{
clear
();
}
/// Free all memory on host and device
void
clear
();
/// Texture for cached position/type access with CUDA
UCL_Texture
neigh_tex
;
/// Compile kernels for neighbor lists
void
compile_kernels
(
UCL_Device
&
dev
,
const
bool
gpu_nbor
);
// ----------------------------- Kernels
UCL_Program
*
nbor_program
,
*
build_program
;
UCL_Kernel
k_nbor
,
k_cell_id
,
k_cell_counts
,
k_build_nbor
;
UCL_Kernel
k_transpose
,
k_special
;
private:
bool
_compiled
,
_gpu_nbor
;
};
#endif
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