82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// clang-format off
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/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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LAMMPS development team: developers@lammps.org
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "region_block_kokkos.h"
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#include "atom_kokkos.h"
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#include "atom_masks.h"
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#include "memory_kokkos.h"
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using namespace LAMMPS_NS;
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using namespace MathSpecialKokkos;
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/* ---------------------------------------------------------------------- */
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template<class DeviceType>
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RegBlockKokkos<DeviceType>::RegBlockKokkos(LAMMPS *lmp, int narg, char **arg)
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: RegBlock(lmp, narg, arg)
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{
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atomKK = (AtomKokkos*) atom;
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memoryKK->create_kokkos(d_contact,6,"region_block:d_contact");
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}
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/* ---------------------------------------------------------------------- */
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template<class DeviceType>
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RegBlockKokkos<DeviceType>::~RegBlockKokkos()
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{
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if (copymode) return;
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memoryKK->destroy_kokkos(d_contact);
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}
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/* ---------------------------------------------------------------------- */
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template<class DeviceType>
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void RegBlockKokkos<DeviceType>::match_all_kokkos(int groupbit_in, DAT::tdual_int_1d k_match_in)
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{
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groupbit = groupbit_in;
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d_match = k_match_in.template view<DeviceType>();
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auto execution_space = ExecutionSpaceFromDevice<DeviceType>::space;
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atomKK->sync(execution_space, X_MASK | MASK_MASK);
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d_x = atomKK->k_x.view<DeviceType>();
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d_mask = atomKK->k_mask.view<DeviceType>();
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int nlocal = atom->nlocal;
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copymode = 1;
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Kokkos::parallel_for(Kokkos::RangePolicy<DeviceType, TagRegBlockMatchAll>(0,nlocal),*this);
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copymode = 0;
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k_match_in.template modify<DeviceType>();
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}
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/* ---------------------------------------------------------------------- */
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template<class DeviceType>
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KOKKOS_INLINE_FUNCTION
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void RegBlockKokkos<DeviceType>::operator()(TagRegBlockMatchAll, const int &i) const {
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if (d_mask[i] & groupbit) {
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double x_tmp = d_x(i,0);
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double y_tmp = d_x(i,1);
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double z_tmp = d_x(i,2);
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d_match[i] = match_kokkos(x_tmp,y_tmp,z_tmp);
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}
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}
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namespace LAMMPS_NS {
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template class RegBlockKokkos<LMPDeviceType>;
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#ifdef LMP_KOKKOS_GPU
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template class RegBlockKokkos<LMPHostType>;
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#endif
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}
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