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comm_cuda.h
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Fri, Jun 28, 11:57

comm_cuda.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.
------------------------------------------------------------------------- */
#ifndef LMP_COMM_CUDA_H
#define LMP_COMM_CUDA_H
#include "pointers.h"
#include "cuda_data.h"
#include "comm_brick.h"
namespace LAMMPS_NS {
class CommCuda : public CommBrick {
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_CFLOAT, x>* cu_slablo;
cCudaData<double, X_CFLOAT, x>* cu_slabhi;
cCudaData<double, X_CFLOAT, xy>* cu_multilo;
cCudaData<double, X_CFLOAT, 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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