libhoomd/computes_gpu/NeighborListGPU.cuh

   1 /*
   2 Highly Optimized Object-oriented Many-particle Dynamics -- Blue Edition
   3 (HOOMD-blue) Open Source Software License Copyright 2009-2014 The Regents of
   4 the University of Michigan All rights reserved.
   5
   6 HOOMD-blue may contain modifications ("Contributions") provided, and to which
   7 copyright is held, by various Contributors who have granted The Regents of the
   8 University of Michigan the right to modify and/or distribute such Contributions.
   9
  10 You may redistribute, use, and create derivate works of HOOMD-blue, in source
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  13 * Redistributions of source code must retain the above copyright notice, this
  14 list of conditions, and the following disclaimer both in the code and
  15 prominently in any materials provided with the distribution.
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  17 * Redistributions in binary form must reproduce the above copyright notice, this
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  19 other materials provided with the distribution.
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  21 * All publications and presentations based on HOOMD-blue, including any reports
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  31 promote products derived from this software without specific prior written
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  34 Disclaimer
  35
  36 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS'' AND
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  38 WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND/OR ANY
  39 WARRANTIES THAT THIS SOFTWARE IS FREE OF INFRINGEMENT ARE DISCLAIMED.
  40
  41 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  42 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  43 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  44 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  45 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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  47 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  48 */
  49
  50 // Maintainer: joaander
  51
  52 #ifndef __NEIGHBORLISTGPU_CUH__
  53 #define __NEIGHBORLISTGPU_CUH__
  54
  55 /*! \file NeighborListGPU.cuh
  56     \brief Declares GPU kernel code for cell list generation on the GPU
  57 */
  58
  59 #include <cuda_runtime.h>
  60
  61 #include "Index1D.h"
  62
  63 //! Kernel driver for gpu_nlist_needs_update_check_new_kernel()
  64 cudaError_t gpu_nlist_needs_update_check_new(unsigned int *d_result,
  65                                              const Scalar4 *d_last_pos,
  66                                              const Scalar4 *d_pos,
  67                                              const unsigned int N,
  68                                              const BoxDim& box,
  69                                              const Scalar maxshiftsq,
  70                                              const Scalar3 lambda,
  71                                              const unsigned int checkn);
  72
  73 //! Kernel driver for gpu_nlist_filter_kernel()
  74 cudaError_t gpu_nlist_filter(unsigned int *d_n_neigh,
  75                              unsigned int *d_nlist,
  76                              const Index2D& nli,
  77                              const unsigned int *d_n_ex,
  78                              const unsigned int *d_ex_list,
  79                              const Index2D& exli,
  80                              const unsigned int N,
  81                              const unsigned int block_size);
  82
  83 //! Kernel driver for gpu_compute_nlist_nsq_kernel()
  84 cudaError_t gpu_compute_nlist_nsq(unsigned int *d_nlist,
  85                                   unsigned int *d_n_neigh,
  86                                   Scalar4 *d_last_updated_pos,
  87                                   unsigned int *d_conditions,
  88                                   const Index2D& nli,
  89                                   const Scalar4 *d_pos,
  90                                   const unsigned int N,
  91                                   const unsigned int n_ghost,
  92                                   const BoxDim& box,
  93                                   const Scalar r_maxsq);
  94
  95 //! GPU function to update the exclusion list on the device
  96 cudaError_t gpu_update_exclusion_list(const unsigned int *d_tag,
  97                                 const unsigned int *d_rtag,
  98                                 const unsigned int *d_n_ex_tag,
  99                                 const unsigned int *d_ex_list_tag,
 100                                 const Index2D& ex_list_tag_indexer,
 101                                 unsigned int *d_n_ex_idx,
 102                                 unsigned int *d_ex_list_idx,
 103                                 const Index2D& ex_list_indexer,
 104                                 const unsigned int N);
 105
 106 #endif