forked from lijiext/lammps
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
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/***************************************************************************
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neighbor_shared.h
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-------------------
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W. Michael Brown (ORNL)
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Class for management of data shared by all neighbor lists
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__________________________________________________________________________
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This file is part of the LAMMPS Accelerator Library (LAMMPS_AL)
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__________________________________________________________________________
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begin :
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email : brownw@ornl.gov
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***************************************************************************/
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#ifndef LAL_NEIGHBOR_SHARED_H
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#define LAL_NEIGHBOR_SHARED_H
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#ifdef USE_OPENCL
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#include "geryon/ocl_kernel.h"
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#include "geryon/ocl_texture.h"
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using namespace ucl_opencl;
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#else
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#include "geryon/nvd_kernel.h"
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#include "geryon/nvd_texture.h"
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using namespace ucl_cudadr;
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#endif
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namespace LAMMPS_AL {
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class NeighborShared {
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public:
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NeighborShared() : _compiled(false) {}
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~NeighborShared() { clear(); }
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/// Free all memory on host and device
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void clear();
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/// Texture for cached position/type access with CUDA
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UCL_Texture neigh_tex;
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/// Compile kernels for neighbor lists
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void compile_kernels(UCL_Device &dev, const int gpu_nbor);
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// ----------------------------- Kernels
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UCL_Program *nbor_program, *build_program;
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UCL_Kernel k_nbor, k_cell_id, k_cell_counts, k_build_nbor;
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UCL_Kernel k_transpose, k_special;
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private:
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bool _compiled;
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int _gpu_nbor;
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};
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}
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#endif
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