Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F77849924
lal_neighbor_shared.cpp
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Fri, Aug 16, 19:10
Size
2 KB
Mime Type
text/x-c
Expires
Sun, Aug 18, 19:10 (2 d)
Engine
blob
Format
Raw Data
Handle
19932598
Attached To
rLAMMPS lammps
lal_neighbor_shared.cpp
View Options
/***************************************************************************
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;
}
Event Timeline
Log In to Comment