/* ----------------------------------------------------------------------
   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 _lj1 MY_AP(coeff1)
#define _lj2 MY_AP(coeff2)
#define _lj3 MY_AP(coeff3)
#define _lj4 MY_AP(coeff4)

#include "pair_lj_class2_cuda_cu.h"
#include "pair_lj_class2_cuda_kernel_nc.cu"

#include <time.h>

void Cuda_PairLJClass2Cuda_Init(cuda_shared_data* sdata)
{
	Cuda_Pair_Init_AllStyles(sdata, 4);
}

void Cuda_PairLJClass2Cuda(cuda_shared_data* sdata, cuda_shared_neighlist* sneighlist, int eflag, int vflag,int eflag_atom,int vflag_atom)
{
	

	static  short init=0;
	if(! init)
	{
		init = 1;
		Cuda_PairLJClass2Cuda_Init(sdata);
	}

	dim3 grid,threads;
	int sharedperproc;
	
	//int maxthreads=192*sizeof(double)/sizeof(F_FLOAT);
	//if(CUDA_ARCH==20) maxthreads*=2;
	//cudaFuncSetCacheConfig(Pair_Kernel_TpA_opt<PAIR_LJ_CUT,COUL_NONE,DATA_NONE>,cudaFuncCachePreferL1);
	Cuda_Pair_PreKernel_AllStyles(sdata, sneighlist, eflag, vflag, grid, threads, sharedperproc,false,192);
	cudaStream_t* streams = (cudaStream_t*) CudaWrapper_returnStreams();
	if(sdata->pair.use_block_per_atom)
		Pair_Kernel_BpA<PAIR_LJ_CLASS2,COUL_NONE,DATA_NONE>
		<<<grid, threads,sharedperproc*sizeof(ENERGY_FLOAT)*threads.x,streams[1]>>> (eflag, vflag,eflag_atom,vflag_atom);
	else
		Pair_Kernel_TpA<PAIR_LJ_CLASS2,COUL_NONE,DATA_NONE>
		<<<grid, threads,sharedperproc*sizeof(ENERGY_FLOAT)*threads.x,streams[1]>>> (eflag, vflag,eflag_atom,vflag_atom);

	Cuda_Pair_PostKernel_AllStyles(sdata, grid, sharedperproc, eflag, vflag);
}


#undef _lj1
#undef _lj2
#undef _lj3
#undef _lj4
