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cuda_neigh_list.h
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Sun, Oct 20, 23:01
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text/x-c
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Tue, Oct 22, 23:01 (2 d)
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rLAMMPS lammps
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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