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Commit cba0515b authored by Berenger Bramas's avatar Berenger Bramas
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Add a data array for the particles

parent dcd61482
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1 merge request!23WIP: Feature/use cmake
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bfps/cpp/particles/p2p_computer.hpp
+ 3
− 3
View file @ cba0515b
......@@ -20,9 +20,9 @@ public:
}
}
template <int size_particle_positions, int size_particle_rhs>
void compute_interaction(const real_number pos_part1[], real_number rhs_part1[],
const real_number pos_part2[], real_number rhs_part2[],
template <int size_particle_positions, int size_particle_data, int size_particle_rhs>
void compute_interaction(const real_number pos_part1[], const real_number data_part1[], real_number rhs_part1[],
const real_number pos_part2[], const real_number data_part2[], real_number rhs_part2[],
const real_number dist_pow2,
const real_number xshift_coef, const real_number yshift_coef, const real_number zshift_coef) const{
rhs_part1[0] += 1;
......
bfps/cpp/particles/p2p_distr_mpi.hpp
+ 51
− 6
View file @ cba0515b
......@@ -31,9 +31,11 @@ protected:
int destProc;
int nbLevelsToExchange;
bool isRecv;
bool positionsReceived;
std::unique_ptr<real_number[]> toRecvAndMerge;
std::unique_ptr<real_number[]> toCompute;
std::unique_ptr<real_number[]> toData;
std::unique_ptr<real_number[]> results;
};
......@@ -41,6 +43,7 @@ protected:
NOTHING_TODO,
RECV_PARTICLES,
COMPUTE_PARTICLES,
CHECK_PARTICLES,
RELEASE_BUFFER_PARTICLES,
MERGE_PARTICLES,
......@@ -234,10 +237,11 @@ public:
return (diff_x*diff_x) + (diff_y*diff_y) + (diff_z*diff_z);
}
template <class computer_class, int size_particle_positions, int size_particle_rhs>
template <class computer_class, int size_particle_positions, int size_particle_data, int size_particle_rhs>
void compute_distr(computer_class& in_computer,
const partsize_t current_my_nb_particles_per_partition[],
real_number particles_positions[],
real_number particles_data[],
real_number particles_current_rhs[],
partsize_t inout_index_particles[]){
TIMEZONE("compute_distr");
......@@ -313,6 +317,9 @@ public:
permute_copy<real_number, size_particle_positions>(current_offset_particles_for_partition[idxPartition],
current_my_nb_particles_per_partition[idxPartition],
part_to_sort.data(), particles_positions, &buffer);
permute_copy<real_number, size_particle_data>(current_offset_particles_for_partition[idxPartition],
current_my_nb_particles_per_partition[idxPartition],
part_to_sort.data(), particles_data, &buffer);
permute_copy<real_number, size_particle_rhs>(current_offset_particles_for_partition[idxPartition],
current_my_nb_particles_per_partition[idxPartition],
part_to_sort.data(), particles_current_rhs, &buffer);
......@@ -432,6 +439,7 @@ public:
descriptor.nbLevelsToExchange = nb_levels_to_send;
descriptor.nbParticlesToExchange = particles_offset_layers[my_nb_cell_levels] - particles_offset_layers[my_nb_cell_levels-nb_levels_to_send];
descriptor.isRecv = false;
descriptor.positionsReceived = false;
std::cout << my_rank << " SEND" << std::endl;
std::cout << ">> descriptor.destProc " << descriptor.destProc << std::endl;
......@@ -469,6 +477,7 @@ public:
descriptor.nbLevelsToExchange = nb_levels_to_recv;
descriptor.nbParticlesToExchange = -1;
descriptor.isRecv = true;
descriptor.positionsReceived = false;
neigDescriptors.emplace_back(std::move(descriptor));
......@@ -523,6 +532,14 @@ public:
descriptor.destProc, TAG_POSITION_PARTICLES,
current_com, &mpiRequests.back()));
whatNext.emplace_back(std::pair<Action,int>{NOTHING_TODO, -1});
mpiRequests.emplace_back();
assert(descriptor.nbParticlesToExchange*size_particle_data < std::numeric_limits<int>::max());
AssertMpi(MPI_Isend(const_cast<real_number*>(&particles_data[particles_offset_layers[my_nb_cell_levels-descriptor.nbLevelsToExchange]*size_particle_data]),
int(descriptor.nbParticlesToExchange*size_particle_data), particles_utils::GetMpiType(real_number()),
descriptor.destProc, TAG_POSITION_PARTICLES,
current_com, &mpiRequests.back()));
assert(descriptor.toRecvAndMerge == nullptr);
descriptor.toRecvAndMerge.reset(new real_number[descriptor.nbParticlesToExchange*size_particle_rhs]);
whatNext.emplace_back(std::pair<Action,int>{MERGE_PARTICLES, idxDescr});
......@@ -584,12 +601,21 @@ public:
if(NbParticlesToReceive){
// std::cout << "MPI_Irecv " << std::endl;
descriptor.toCompute.reset(new real_number[NbParticlesToReceive*size_particle_positions]);
whatNext.emplace_back(std::pair<Action,int>{COMPUTE_PARTICLES, releasedAction.second});
whatNext.emplace_back(std::pair<Action,int>{CHECK_PARTICLES, releasedAction.second});
mpiRequests.emplace_back();
assert(NbParticlesToReceive*size_particle_positions < std::numeric_limits<int>::max());
AssertMpi(MPI_Irecv(descriptor.toCompute.get(), int(NbParticlesToReceive*size_particle_positions),
particles_utils::GetMpiType(real_number()), destProc, TAG_POSITION_PARTICLES,
current_com, &mpiRequests.back()));
descriptor.toData.reset(new real_number[NbParticlesToReceive*size_particle_data]);
whatNext.emplace_back(std::pair<Action,int>{COMPUTE_PARTICLES, releasedAction.second});
mpiRequests.emplace_back();
assert(NbParticlesToReceive*size_particle_data < std::numeric_limits<int>::max());
AssertMpi(MPI_Irecv(descriptor.toData.get(), int(NbParticlesToReceive*size_particle_data),
particles_utils::GetMpiType(real_number()), destProc, TAG_POSITION_PARTICLES,
current_com, &mpiRequests.back()));
}
}
......@@ -603,6 +629,8 @@ public:
const partsize_t NbParticlesToReceive = descriptor.nbParticlesToExchange;
assert(descriptor.toCompute != nullptr);
assert(descriptor.toData != nullptr);
assert(descriptor.positionsReceived == true);
descriptor.results.reset(new real_number[NbParticlesToReceive*size_particle_rhs]);
in_computer.template init_result_array<size_particle_rhs>(descriptor.results.get(), NbParticlesToReceive);
......@@ -651,10 +679,12 @@ public:
particles_positions[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_positions + IDX_Z],
shift[idx_neighbor][IDX_X], shift[idx_neighbor][IDX_Y], shift[idx_neighbor][IDX_Z]);
if(dist_r2 < cutoff_radius_compute*cutoff_radius_compute){
in_computer.template compute_interaction<size_particle_positions,size_particle_rhs>(
in_computer.template compute_interaction<size_particle_positions,size_particle_data, size_particle_rhs>(
&descriptor.toCompute[(idxPart+idx_p1)*size_particle_positions],
&descriptor.toData[(idxPart+idx_p1)*size_particle_data],
&descriptor.results[(idxPart+idx_p1)*size_particle_rhs],
&particles_positions[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_positions],
&particles_data[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_data],
&particles_current_rhs[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_rhs],
dist_r2, shift[idx_neighbor][IDX_X], shift[idx_neighbor][IDX_Y], shift[idx_neighbor][IDX_Z]);
}
......@@ -694,6 +724,15 @@ public:
//////////////////////////////////////////////////////////////////////
/// Computation
//////////////////////////////////////////////////////////////////////
if(releasedAction.first == CHECK_PARTICLES){
NeighborDescriptor& descriptor = neigDescriptors[releasedAction.second];
assert(descriptor.toCompute != nullptr);
assert(descriptor.isRecv);
descriptor.positionsReceived = true;
}
//////////////////////////////////////////////////////////////////////
/// Computation
//////////////////////////////////////////////////////////////////////
if(releasedAction.first == RELEASE_BUFFER_PARTICLES){
NeighborDescriptor& descriptor = neigDescriptors[releasedAction.second];
assert(descriptor.toCompute != nullptr);
......@@ -758,10 +797,12 @@ public:
particles_positions[(intervals[idx_1].first+idx_p2)*size_particle_positions + IDX_Z],
0, 0, 0);
if(dist_r2 < cutoff_radius_compute*cutoff_radius_compute){
in_computer.template compute_interaction<size_particle_positions,size_particle_rhs>(
in_computer.template compute_interaction<size_particle_positions,size_particle_data,size_particle_rhs>(
&particles_positions[(intervals[idx_1].first+idx_p1)*size_particle_positions],
&particles_data[(intervals[idx_1].first+idx_p1)*size_particle_data],
&particles_current_rhs[(intervals[idx_1].first+idx_p1)*size_particle_rhs],
&particles_positions[(intervals[idx_1].first+idx_p2)*size_particle_positions],
&particles_data[(intervals[idx_1].first+idx_p2)*size_particle_data],
&particles_current_rhs[(intervals[idx_1].first+idx_p2)*size_particle_rhs],
dist_r2, 0, 0, 0);
}
......@@ -801,10 +842,12 @@ public:
particles_positions[(intervals[idx_2].first+idx_p2)*size_particle_positions + IDX_Z],
0, 0, 0);
if(dist_r2 < cutoff_radius_compute*cutoff_radius_compute){
in_computer.template compute_interaction<size_particle_positions,size_particle_rhs>(
in_computer.template compute_interaction<size_particle_positions,size_particle_data,size_particle_rhs>(
&particles_positions[(intervals[idx_1].first+idx_p1)*size_particle_positions],
&particles_data[(intervals[idx_1].first+idx_p1)*size_particle_data],
&particles_current_rhs[(intervals[idx_1].first+idx_p1)*size_particle_rhs],
&particles_positions[(intervals[idx_2].first+idx_p2)*size_particle_positions],
&particles_data[(intervals[idx_2].first+idx_p2)*size_particle_data],
&particles_current_rhs[(intervals[idx_2].first+idx_p2)*size_particle_rhs],
dist_r2, 0, 0, 0);
}
......@@ -862,10 +905,12 @@ public:
particles_positions[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_positions + IDX_Z],
shift[idx_neighbor][IDX_X], shift[idx_neighbor][IDX_Y], shift[idx_neighbor][IDX_Z]);
if(dist_r2 < cutoff_radius_compute*cutoff_radius_compute){
in_computer.template compute_interaction<size_particle_positions,size_particle_rhs>(
in_computer.template compute_interaction<size_particle_positions,size_particle_data,size_particle_rhs>(
&particles_positions[(intervals[idx_1].first+idx_p1)*size_particle_positions],
&particles_data[(intervals[idx_1].first+idx_p1)*size_particle_data],
&particles_current_rhs[(intervals[idx_1].first+idx_p1)*size_particle_rhs],
&particles_positions[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_positions],
&particles_data[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_data],
&particles_current_rhs[((*neighbors[idx_neighbor])[idx_2].first+idx_p2)*size_particle_rhs],
dist_r2, shift[idx_neighbor][IDX_X], shift[idx_neighbor][IDX_Y], shift[idx_neighbor][IDX_Z]);
}
......
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