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 "Parallel/Tags/Parallelization.hpp"
      35             : #include "Utilities/Literals.hpp"
      36             : #include "Utilities/Numeric.hpp"
      37             : #include "Utilities/System/ParallelInfo.hpp"
      38             : #include "Utilities/TMPL.hpp"
      39             : 
      40             : /*!
      41             :  * \brief The parallel component responsible for managing the DG elements that
      42             :  * compose the computational domain
      43             :  *
      44             :  * This parallel component will perform the actions specified by the
      45             :  * `PhaseDepActionList`.
      46             :  *
      47             :  * An unordered set of `size_t`s can be passed to the `allocate_array`
      48             :  * function which represents physical processors to avoid placing
      49             :  * elements on.
      50             :  */
      51             : template <class Metavariables, class PhaseDepActionList>
      52           1 : struct DgElementArray {
      53           0 :   static constexpr size_t volume_dim = Metavariables::volume_dim;
      54             : 
      55           0 :   using chare_type = Parallel::Algorithms::Array;
      56           0 :   static constexpr bool checkpoint_data = true;
      57           0 :   using metavariables = Metavariables;
      58           0 :   using phase_dependent_action_list = PhaseDepActionList;
      59           0 :   using array_index = ElementId<volume_dim>;
      60             : 
      61           0 :   using const_global_cache_tags = tmpl::list<domain::Tags::Domain<volume_dim>,
      62             :                                              domain::Tags::ElementDistribution>;
      63             : 
      64           0 :   using simple_tags_from_options = Parallel::get_simple_tags_from_options<
      65             :       Parallel::get_initialization_actions_list<phase_dependent_action_list>>;
      66             : 
      67           0 :   using array_allocation_tags = tmpl::list<>;
      68             : 
      69           0 :   static void allocate_array(
      70             :       Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      71             :       const tuples::tagged_tuple_from_typelist<simple_tags_from_options>&
      72             :           initialization_items,
      73             :       const tuples::tagged_tuple_from_typelist<array_allocation_tags>&
      74             :           array_allocation_items = {},
      75             :       const std::unordered_set<size_t>& procs_to_ignore = {});
      76             : 
      77           0 :   static void execute_next_phase(
      78             :       const Parallel::Phase next_phase,
      79             :       Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      80             :       const bool force = false) {
      81             :     auto& local_cache = *Parallel::local_branch(global_cache);
      82             :     Parallel::get_parallel_component<DgElementArray>(local_cache)
      83             :         .start_phase(next_phase, force);
      84             :   }
      85             : };
      86             : 
      87             : template <class Metavariables, class PhaseDepActionList>
      88             : void DgElementArray<Metavariables, PhaseDepActionList>::allocate_array(
      89             :     Parallel::CProxy_GlobalCache<Metavariables>& global_cache,
      90             :     const tuples::tagged_tuple_from_typelist<simple_tags_from_options>&
      91             :         initialization_items,
      92             :     const tuples::tagged_tuple_from_typelist<array_allocation_tags>&
      93             :     /*array_allocation_items*/,
      94             :     const std::unordered_set<size_t>& procs_to_ignore) {
      95             :   auto& local_cache = *Parallel::local_branch(global_cache);
      96             :   auto& dg_element_array =
      97             :       Parallel::get_parallel_component<DgElementArray>(local_cache);
      98             : 
      99             :   const auto& domain =
     100             :       Parallel::get<domain::Tags::Domain<volume_dim>>(local_cache);
     101             :   const auto& initial_refinement_levels =
     102             :       get<domain::Tags::InitialRefinementLevels<volume_dim>>(
     103             :           initialization_items);
     104             :   const auto& initial_extents =
     105             :       get<domain::Tags::InitialExtents<volume_dim>>(initialization_items);
     106             :   const auto i1_basis = Spectral::Basis::Legendre;
     107             :   const auto& i1_quadrature =
     108             :       get<evolution::dg::Tags::Quadrature>(initialization_items);
     109             :   const std::optional<domain::ElementWeight>& element_weight =
     110             :       Parallel::get<domain::Tags::ElementDistribution>(local_cache);
     111             : 
     112             :   const size_t number_of_procs = Parallel::number_of_procs<size_t>(local_cache);
     113             :   const size_t number_of_nodes = Parallel::number_of_nodes<size_t>(local_cache);
     114             :   const size_t num_of_procs_to_use = number_of_procs - procs_to_ignore.size();
     115             : 
     116             :   const auto& blocks = domain.blocks();
     117             : 
     118             :   Parallel::create_elements_using_distribution(
     119             :       [&dg_element_array, &global_cache, &initialization_items](
     120             :           const ElementId<volume_dim>& element_id, const size_t target_proc,
     121             :           const size_t /*target_node*/) {
     122             :         dg_element_array(element_id)
     123             :             .insert(global_cache, initialization_items, target_proc);
     124             :       },
     125             :       element_weight, blocks, initial_extents, initial_refinement_levels,
     126             :       i1_basis, i1_quadrature,
     127             : 
     128             :       procs_to_ignore, number_of_procs, number_of_nodes, num_of_procs_to_use,
     129             :       local_cache, true);
     130             :   dg_element_array.doneInserting();
     131             : }