forked from lijiext/lammps
56 lines
2.1 KiB
Plaintext
56 lines
2.1 KiB
Plaintext
/* ----------------------------------------------------------------------
|
|
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.
|
|
------------------------------------------------------------------------- */
|
|
|
|
#include <stdio.h>
|
|
#define MY_PREFIX fix_enforce2d_cuda
|
|
#include "cuda_shared.h"
|
|
#include "cuda_common.h"
|
|
#include "crm_cuda_utils.cu"
|
|
#include "fix_enforce2d_cuda_cu.h"
|
|
#include "fix_enforce2d_cuda_kernel.cu"
|
|
|
|
void Cuda_FixEnforce2dCuda_Init(cuda_shared_data* sdata)
|
|
{
|
|
cudaMemcpyToSymbol(MY_AP(mask) , & sdata->atom.mask .dev_data, sizeof(int*));
|
|
cudaMemcpyToSymbol(MY_AP(nlocal) , & sdata->atom.nlocal , sizeof(int));
|
|
cudaMemcpyToSymbol(MY_AP(nmax) , & sdata->atom.nmax , sizeof(int));
|
|
cudaMemcpyToSymbol(MY_AP(v) , & sdata->atom.v .dev_data, sizeof(V_CFLOAT*));
|
|
cudaMemcpyToSymbol(MY_AP(f) , & sdata->atom.f .dev_data, sizeof(F_CFLOAT*));
|
|
}
|
|
|
|
void Cuda_FixEnforce2dCuda_PostForce(cuda_shared_data* sdata, int groupbit)
|
|
{
|
|
if(sdata->atom.update_nmax)
|
|
Cuda_FixEnforce2dCuda_Init(sdata);
|
|
|
|
if(sdata->atom.update_nlocal)
|
|
cudaMemcpyToSymbol(MY_AP(nlocal) , & sdata->atom.nlocal , sizeof(int));
|
|
|
|
int3 layout = getgrid(sdata->atom.nlocal);
|
|
dim3 threads(layout.z, 1, 1);
|
|
dim3 grid(layout.x, layout.y, 1);
|
|
Cuda_FixEnforce2dCuda_PostForce_Kernel <<< grid, threads>>> (groupbit);
|
|
cudaThreadSynchronize();
|
|
CUT_CHECK_ERROR("Cuda_Cuda_FixEnforce2dCuda_PostForce: fix enforce2d post_force Kernel execution failed");
|
|
}
|