Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <cstddef>
       7             : #include <functional>
       8             : #include <unordered_map>
       9             : #include <unordered_set>
      10             : #include <vector>
      11             : 
      12             : #include "Domain/Block.hpp"
      13             : #include "Domain/Creators/DomainCreator.hpp"
      14             : #include "Domain/Creators/OptionTags.hpp"
      15             : #include "Domain/Creators/Tags/Domain.hpp"
      16             : #include "Domain/Creators/Tags/InitialExtents.hpp"
      17             : #include "Domain/Creators/Tags/InitialRefinementLevels.hpp"
      18             : #include "Domain/Domain.hpp"
      19             : #include "Domain/ElementDistribution.hpp"
      20             : #include "Domain/Structure/ElementId.hpp"
      21             : #include "Domain/Structure/InitialElementIds.hpp"
      22             : #include "Domain/Tags/ElementDistribution.hpp"
      23             : #include "Evolution/DiscontinuousGalerkin/Initialization/QuadratureTag.hpp"
      24             : #include "NumericalAlgorithms/Spectral/Basis.hpp"
      25             : #include "NumericalAlgorithms/Spectral/Quadrature.hpp"
      26             : #include "Parallel/Algorithms/AlgorithmArray.hpp"
      27             : #include "Parallel/ArrayCollection/CreateElementsUsingDistribution.hpp"
      28             : #include "Parallel/GlobalCache.hpp"
      29             : #include "Parallel/Info.hpp"
      30             : #include "Parallel/Local.hpp"
      31             : #include "Parallel/ParallelComponentHelpers.hpp"
      32             : #include "Parallel/Phase.hpp"
      33             : #include "Parallel/Printf/Printf.hpp"
      34             : #include "Utilities/Literals.hpp"
      35             : #include "Utilities/Numeric.hpp"
      36             : #include "Utilities/System/ParallelInfo.hpp"
      37             : #include "Utilities/TMPL.hpp"
      38             : 
      39             : /*!
      40             :  * \brief The parallel component responsible for managing the DG elements that
      41             :  * compose the computational domain
      42             :  *
      43             :  * This parallel component will perform the actions specified by the
      44             :  * `PhaseDepActionList`.
      45             :  *
      46             :  * An unordered set of `size_t`s can be passed to the `allocate_array`
      47             :  * function which represents physical processors to avoid placing
      48             :  * elements on.
      49             :  */
      50             : template <class Metavariables, class PhaseDepActionList>
      51           1 : struct DgElementArray {
      52           0 :   static constexpr size_t volume_dim = Metavariables::volume_dim;
      53             : 
      54           0 :   using chare_type = Parallel::Algorithms::Array;
      55           0 :   static constexpr bool checkpoint_data = true;
      56           0 :   using metavariables = Metavariables;
      57           0 :   using phase_dependent_action_list = PhaseDepActionList;
      58           0 :   using array_index = ElementId<volume_dim>;
      59             : 
      60           0 :   using const_global_cache_tags = tmpl::list<domain::Tags::Domain<volume_dim>,
      61             :                                              domain::Tags::ElementDistribution>;
      62             : 
      63           0 :   using simple_tags_from_options = Parallel::get_simple_tags_from_options<
      64             :       Parallel::get_initialization_actions_list<phase_dependent_action_list>>;
      65             : 
      66           0 :   using array_allocation_tags = tmpl::list<>;
      67             : 
      68           0 :   static void allocate_array(
      69             :       Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      70             :       const tuples::tagged_tuple_from_typelist<simple_tags_from_options>&
      71             :           initialization_items,
      72             :       const tuples::tagged_tuple_from_typelist<array_allocation_tags>&
      73             :           array_allocation_items = {},
      74             :       const std::unordered_set<size_t>& procs_to_ignore = {});
      75             : 
      76           0 :   static void execute_next_phase(
      77             :       const Parallel::Phase next_phase,
      78             :       Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      79             :       const bool force = false) {
      80             :     auto& local_cache = *Parallel::local_branch(global_cache);
      81             :     Parallel::get_parallel_component<DgElementArray>(local_cache)
      82             :         .start_phase(next_phase, force);
      83             :   }
      84             : };
      85             : 
      86             : template <class Metavariables, class PhaseDepActionList>
      87             : void DgElementArray<Metavariables, PhaseDepActionList>::allocate_array(
      88             :     Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      89             :     const tuples::tagged_tuple_from_typelist<simple_tags_from_options>&
      90             :         initialization_items,
      91             :     const tuples::tagged_tuple_from_typelist<array_allocation_tags>&
      92             :     /*array_allocation_items*/,
      93             :     const std::unordered_set<size_t>& procs_to_ignore) {
      94             :   auto& local_cache = *Parallel::local_branch(global_cache);
      95             :   auto& dg_element_array =
      96             :       Parallel::get_parallel_component<DgElementArray>(local_cache);
      97             : 
      98             :   const auto& domain =
      99             :       Parallel::get<domain::Tags::Domain<volume_dim>>(local_cache);
     100             :   const auto& initial_refinement_levels =
     101             :       get<domain::Tags::InitialRefinementLevels<volume_dim>>(
     102             :           initialization_items);
     103             :   const auto& initial_extents =
     104             :       get<domain::Tags::InitialExtents<volume_dim>>(initialization_items);
     105             :   const auto i1_basis = Spectral::Basis::Legendre;
     106             :   const auto& i1_quadrature =
     107             :       get<evolution::dg::Tags::Quadrature>(initialization_items);
     108             :   const std::optional<domain::ElementWeight>& element_weight =
     109             :       Parallel::get<domain::Tags::ElementDistribution>(local_cache);
     110             : 
     111             :   const size_t number_of_procs = Parallel::number_of_procs<size_t>(local_cache);
     112             :   const size_t number_of_nodes = Parallel::number_of_nodes<size_t>(local_cache);
     113             :   const size_t num_of_procs_to_use = number_of_procs - procs_to_ignore.size();
     114             : 
     115             :   const auto& blocks = domain.blocks();
     116             : 
     117             :   Parallel::create_elements_using_distribution(
     118             :       [&dg_element_array, &global_cache, &initialization_items](
     119             :           const ElementId<volume_dim>& element_id, const size_t target_proc,
     120             :           const size_t /*target_node*/) {
     121             :         dg_element_array(element_id)
     122             :             .insert(global_cache, initialization_items, target_proc);
     123             :       },
     124             :       element_weight, blocks, initial_extents, initial_refinement_levels,
     125             :       i1_basis, i1_quadrature,
     126             : 
     127             :       procs_to_ignore, number_of_procs, number_of_nodes, num_of_procs_to_use,
     128             :       local_cache, true);
     129             :   dg_element_array.doneInserting();
     130             : }