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comm_cuda.h
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Fri, Aug 30, 01:16
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2 KB
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text/x-c++
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rLAMMPS lammps
comm_cuda.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.
------------------------------------------------------------------------- */
#ifndef LMP_COMM_CUDA_H
#define LMP_COMM_CUDA_H
#include "pointers.h"
#include "cuda_data.h"
#include "comm.h"
namespace
LAMMPS_NS
{
class
CommCuda
:
public
Comm
{
public:
CommCuda
(
class
LAMMPS
*
);
~
CommCuda
();
virtual
void
init
();
virtual
void
setup
();
// setup 3d communication pattern
virtual
void
forward_comm
(
int
mode
=
0
);
// forward communication of atom coords
virtual
void
forward_comm_cuda
();
virtual
void
forward_comm_pack_cuda
();
virtual
void
forward_comm_transfer_cuda
();
virtual
void
forward_comm_unpack_cuda
();
virtual
void
forward_comm_pair
(
Pair
*
pair
);
virtual
void
reverse_comm
();
// reverse communication of forces
virtual
void
exchange
();
// move atoms to new procs
virtual
void
exchange_cuda
();
// move atoms to new procs
virtual
void
borders
();
// setup list of atoms to communicate
virtual
void
borders_cuda
();
// setup list of atoms to communicate
virtual
void
borders_cuda_overlap_forward_comm
();
virtual
void
forward_comm_fix
(
class
Fix
*
);
// forward comm from a Fix
protected:
class
Cuda
*
cuda
;
cCudaData
<
int
,
int
,
xy
>*
cu_pbc
;
cCudaData
<
double
,
X_FLOAT
,
x
>*
cu_slablo
;
cCudaData
<
double
,
X_FLOAT
,
x
>*
cu_slabhi
;
cCudaData
<
double
,
X_FLOAT
,
xy
>*
cu_multilo
;
cCudaData
<
double
,
X_FLOAT
,
xy
>*
cu_multihi
;
cCudaData
<
int
,
int
,
xy
>*
cu_sendlist
;
virtual
void
grow_send
(
int
,
int
);
// reallocate send buffer
virtual
void
grow_recv
(
int
);
// free/allocate recv buffer
virtual
void
grow_list
(
int
,
int
);
// reallocate one sendlist
virtual
void
grow_swap
(
int
);
// grow swap and multi arrays
virtual
void
allocate_swap
(
int
);
// allocate swap arrays
virtual
void
allocate_multi
(
int
);
// allocate multi arrays
virtual
void
free_swap
();
// free swap arrays
virtual
void
free_multi
();
// free multi arrays
};
}
#endif
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