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lammps/src/USER-CUDA/cuda_neigh_list.h
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/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
Original Version:
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
See the README file in the top-level LAMMPS directory.
-----------------------------------------------------------------------
USER-CUDA Package and associated modifications:
https://sourceforge.net/projects/lammpscuda/
Christian Trott, christian.trott@tu-ilmenau.de
Lars Winterfeld, lars.winterfeld@tu-ilmenau.de
Theoretical Physics II, University of Technology Ilmenau, Germany
See the README file in the USER-CUDA directory.
This software is distributed under the GNU General Public License.
------------------------------------------------------------------------- */
#ifndef LMP_NEIGH_LIST_CUDA_H
#define LMP_NEIGH_LIST_CUDA_H
#include "pointers.h"
#include "cuda_data.h"
#include "neigh_list.h"
namespace LAMMPS_NS
{
class CudaNeighList : protected Pointers
{
public:
cCudaData<int , int , x>* cu_ilist;
cCudaData<int , int , x>* cu_numneigh;
cCudaData<int , int , x>* cu_inum_border;
cCudaData<int , int , x>* cu_ilist_border;
cCudaData<int , int , x>* cu_numneigh_border;
cCudaData<int , int , x>* cu_numneigh_inner;
cCudaData<int , int , x>* cu_neighbors;
cCudaData<int , int , x>* cu_neighbors_border;
cCudaData<int , int , x>* cu_neighbors_inner;
cCudaData<int , int , x>* cu_ex_type;
cCudaData<int , int , x>* cu_ex1_bit;
cCudaData<int , int , x>* cu_ex2_bit;
cCudaData<int , int , x>* cu_ex_mol_bit;
cuda_shared_neighlist sneighlist;
int* neighbors;
int* neighbors_inner;
int* neighbors_border;
int inum_border;
int* ilist_border;
int* numneigh_border;
int* numneigh_inner;
int nex_type;
int nex_group;
int nex_mol;
bool build_cuda;
CudaNeighList(class LAMMPS *, class NeighList* neigh_list);
~CudaNeighList();
void grow_device(); // will grow pages memory on device, keeping old pages. will grow lists memory on device, deleting old lists
void nl_upload(bool will_be_changed=true);
void nl_download(bool will_be_changed=true);
NeighList* neigh_list;
void dev_alloc();
void dev_free();
private:
class Cuda *cuda;
};
}
#endif
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