handle_node_requests Subroutine

subroutine handle_node_requests(ctx, fragment_queue, finished_nodes)

Uses

  • proc~~handle_node_requests~~UsesGraph proc~handle_node_requests handle_node_requests module~mqc_many_body_expansion mqc_many_body_expansion proc~handle_node_requests->module~mqc_many_body_expansion module~mqc_config_adapter mqc_config_adapter module~mqc_many_body_expansion->module~mqc_config_adapter module~mqc_json_output_types mqc_json_output_types module~mqc_many_body_expansion->module~mqc_json_output_types module~mqc_method_config mqc_method_config module~mqc_many_body_expansion->module~mqc_method_config module~mqc_physical_fragment mqc_physical_fragment module~mqc_many_body_expansion->module~mqc_physical_fragment module~mqc_resources mqc_resources module~mqc_many_body_expansion->module~mqc_resources pic_types pic_types module~mqc_many_body_expansion->pic_types module~mqc_config_adapter->module~mqc_method_config module~mqc_config_adapter->module~mqc_physical_fragment module~mqc_config_adapter->pic_types module~mqc_calculation_keywords mqc_calculation_keywords module~mqc_config_adapter->module~mqc_calculation_keywords module~mqc_config_parser mqc_config_parser module~mqc_config_adapter->module~mqc_config_parser module~mqc_elements mqc_elements module~mqc_config_adapter->module~mqc_elements module~mqc_error mqc_error module~mqc_config_adapter->module~mqc_error pic_logger pic_logger module~mqc_config_adapter->pic_logger module~mqc_json_output_types->pic_types module~mqc_thermochemistry mqc_thermochemistry module~mqc_json_output_types->module~mqc_thermochemistry module~mqc_method_config->pic_types module~mqc_method_types mqc_method_types module~mqc_method_config->module~mqc_method_types module~mqc_physical_fragment->pic_types module~mqc_cgto mqc_cgto module~mqc_physical_fragment->module~mqc_cgto module~mqc_physical_fragment->module~mqc_elements module~mqc_physical_fragment->module~mqc_error module~mqc_geometry mqc_geometry module~mqc_physical_fragment->module~mqc_geometry module~mqc_physical_constants mqc_physical_constants module~mqc_physical_fragment->module~mqc_physical_constants module~mqc_xyz_reader mqc_xyz_reader module~mqc_physical_fragment->module~mqc_xyz_reader module~mqc_mpi_comms mqc_mpi_comms module~mqc_resources->module~mqc_mpi_comms module~mqc_calculation_keywords->pic_types module~mqc_calculation_defaults mqc_calculation_defaults module~mqc_calculation_keywords->module~mqc_calculation_defaults module~mqc_cgto->pic_types module~mqc_config_parser->module~mqc_physical_fragment module~mqc_config_parser->pic_types module~mqc_config_parser->module~mqc_error module~mqc_config_parser->module~mqc_geometry module~mqc_config_parser->module~mqc_method_types module~mqc_calc_types mqc_calc_types module~mqc_config_parser->module~mqc_calc_types module~mqc_config_parser->module~mqc_calculation_defaults module~mqc_elements->pic_types pic_ascii pic_ascii module~mqc_elements->pic_ascii module~mqc_geometry->pic_types module~mqc_method_types->pic_types pic_mpi_lib pic_mpi_lib module~mqc_mpi_comms->pic_mpi_lib module~mqc_physical_constants->pic_types module~mqc_thermochemistry->pic_types module~mqc_thermochemistry->module~mqc_elements module~mqc_thermochemistry->module~mqc_physical_constants module~mqc_thermochemistry->pic_logger pic_io pic_io module~mqc_thermochemistry->pic_io pic_lapack_interfaces pic_lapack_interfaces module~mqc_thermochemistry->pic_lapack_interfaces module~mqc_xyz_reader->pic_types module~mqc_xyz_reader->module~mqc_error module~mqc_xyz_reader->module~mqc_geometry module~mqc_calc_types->pic_types module~mqc_calculation_defaults->pic_types

Handle a single pending node coordinator request, if any.

Arguments

Type IntentOptional Attributes Name
type(mbe_context_t), intent(in) :: ctx
type(queue_t), intent(inout) :: fragment_queue
integer, intent(inout) :: finished_nodes

Calls

proc~~handle_node_requests~~CallsGraph proc~handle_node_requests handle_node_requests iprobe iprobe proc~handle_node_requests->iprobe irecv irecv proc~handle_node_requests->irecv isend isend proc~handle_node_requests->isend proc~queue_pop queue_pop proc~handle_node_requests->proc~queue_pop proc~send_fragment_to_node send_fragment_to_node proc~handle_node_requests->proc~send_fragment_to_node proc~send_fragment_payload send_fragment_payload proc~send_fragment_to_node->proc~send_fragment_payload proc~send_fragment_payload->isend proc~build_fragment_payload build_fragment_payload proc~send_fragment_payload->proc~build_fragment_payload

Variables

Type Visibility Attributes Name Initial
integer, private :: dummy_msg
integer(kind=int64), private :: fragment_idx
logical, private :: has_fragment
logical, private :: has_pending
type(request_t), private :: req
integer, private :: request_source
type(MPI_Status), private :: status

Source Code

   subroutine handle_node_requests(ctx, fragment_queue, finished_nodes)
      !! Handle a single pending node coordinator request, if any.
      use mqc_many_body_expansion, only: mbe_context_t
      type(mbe_context_t), intent(in) :: ctx
      type(queue_t), intent(inout) :: fragment_queue
      integer, intent(inout) :: finished_nodes

      integer :: request_source, dummy_msg
      integer(int64) :: fragment_idx
      type(MPI_Status) :: status
      logical :: has_pending, has_fragment
      type(request_t) :: req

      call iprobe(ctx%resources%mpi_comms%world_comm, MPI_ANY_SOURCE, TAG_NODE_REQUEST, has_pending, status)
      if (.not. has_pending) return

      call irecv(ctx%resources%mpi_comms%world_comm, dummy_msg, status%MPI_SOURCE, TAG_NODE_REQUEST, req)
      call wait(req)
      request_source = status%MPI_SOURCE

      call queue_pop(fragment_queue, fragment_idx, has_fragment)
      if (has_fragment) then
         call send_fragment_to_node(ctx%resources%mpi_comms%world_comm, fragment_idx, ctx%polymers, request_source)
      else
         call isend(ctx%resources%mpi_comms%world_comm, -1, request_source, TAG_NODE_FINISH, req)
         call wait(req)
         finished_nodes = finished_nodes + 1
      end if
   end subroutine handle_node_requests