forked from lijiext/lammps
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/***************************************************************************
|
|
neighbor_shared.cpp
|
|
-------------------
|
|
W. Michael Brown (ORNL)
|
|
|
|
Class for management of data shared by all neighbor lists
|
|
|
|
__________________________________________________________________________
|
|
This file is part of the LAMMPS Accelerator Library (LAMMPS_AL)
|
|
__________________________________________________________________________
|
|
|
|
begin :
|
|
email : brownw@ornl.gov
|
|
***************************************************************************/
|
|
|
|
#include "lal_precision.h"
|
|
#include "lal_neighbor_shared.h"
|
|
|
|
#if defined(USE_OPENCL)
|
|
#include "neighbor_cpu_cl.h"
|
|
#include "neighbor_gpu_cl.h"
|
|
#elif defined(USE_CUDART)
|
|
const char *neighbor_cpu=0;
|
|
const char *neighbor_gpu=0;
|
|
#else
|
|
#include "neighbor_cpu_cubin.h"
|
|
#include "neighbor_gpu_cubin.h"
|
|
#endif
|
|
|
|
using namespace LAMMPS_AL;
|
|
|
|
void NeighborShared::clear() {
|
|
if (_compiled) {
|
|
if (_gpu_nbor>0) {
|
|
if (_gpu_nbor==1) {
|
|
k_cell_id.clear();
|
|
k_cell_counts.clear();
|
|
}
|
|
k_build_nbor.clear();
|
|
k_transpose.clear();
|
|
k_special.clear();
|
|
delete build_program;
|
|
} else {
|
|
k_nbor.clear();
|
|
delete nbor_program;
|
|
}
|
|
_compiled=false;
|
|
}
|
|
}
|
|
|
|
void NeighborShared::compile_kernels(UCL_Device &dev, const int gpu_nbor,
|
|
const std::string flags) {
|
|
if (_compiled)
|
|
return;
|
|
|
|
_gpu_nbor=gpu_nbor;
|
|
if (_gpu_nbor==0) {
|
|
nbor_program=new UCL_Program(dev);
|
|
nbor_program->load_string(neighbor_cpu,flags.c_str());
|
|
k_nbor.set_function(*nbor_program,"kernel_unpack");
|
|
} else {
|
|
build_program=new UCL_Program(dev);
|
|
build_program->load_string(neighbor_gpu,flags.c_str());
|
|
|
|
if (_gpu_nbor==1) {
|
|
k_cell_id.set_function(*build_program,"calc_cell_id");
|
|
k_cell_counts.set_function(*build_program,"kernel_calc_cell_counts");
|
|
}
|
|
k_build_nbor.set_function(*build_program,"calc_neigh_list_cell");
|
|
k_transpose.set_function(*build_program,"transpose");
|
|
k_special.set_function(*build_program,"kernel_special");
|
|
neigh_tex.get_texture(*build_program,"pos_tex");
|
|
}
|
|
_compiled=true;
|
|
}
|