pair_gpu_nbor_kernel.cu
84b5b0bef886lammm-master

pair_gpu_nbor_kernel.cu
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			/* ----------------------------------------------------------------------
			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.
			------------------------------------------------------------------------- */

			/* ----------------------------------------------------------------------
			Contributing authors: Mike Brown (ORNL), brownw@ornl.gov
			------------------------------------------------------------------------- */

			#ifdef NV_KERNEL

			#include "geryon/ucl_nv_kernel.h"

			#else

			#define GLOBAL_ID_X get_global_id(0)

			#endif

			__kernel void kernel_unpack(__global int dev_nbor, __global int dev_ij,
			const int inum) {
			// ii indexes the two interacting particles in gi
			int ii=GLOBAL_ID_X;

			if (ii<inum) {
			__global int *nbor=dev_nbor+ii+inum;
			int numj=*nbor;
			nbor+=inum;
			__global int list=dev_ij+nbor;
			__global int *list_end=list+numj;

			for ( ; list<list_end; list++) {
			nbor=list;
			nbor+=inum;
			}
			} // if ii
			}