needs_flags Subroutine

private pure subroutine needs_flags(need_w, need_e, need_s, need_n)

Compute which directions need actual MPI or local-wrap work.

Arguments

Type IntentOptional Attributes Name
logical, intent(out) :: need_w
logical, intent(out) :: need_e
logical, intent(out) :: need_s
logical, intent(out) :: need_n

Called by

proc~~needs_flags~~CalledByGraph proc~needs_flags needs_flags proc~ocean_halo_centre_2d_impl ocean_halo_centre_2d_impl proc~ocean_halo_centre_2d_impl->proc~needs_flags proc~ocean_halo_centre_3d ocean_halo_centre_3d proc~ocean_halo_centre_3d->proc~needs_flags proc~ocean_halo_face_x_2d_impl ocean_halo_face_x_2d_impl proc~ocean_halo_face_x_2d_impl->proc~needs_flags proc~ocean_halo_face_x_3d ocean_halo_face_x_3d proc~ocean_halo_face_x_3d->proc~needs_flags proc~ocean_halo_face_y_2d_impl ocean_halo_face_y_2d_impl proc~ocean_halo_face_y_2d_impl->proc~needs_flags proc~ocean_halo_face_y_3d ocean_halo_face_y_3d proc~ocean_halo_face_y_3d->proc~needs_flags interface~ocean_halo_centre ocean_halo_centre interface~ocean_halo_centre->proc~ocean_halo_centre_3d proc~ocean_halo_centre_2d ocean_halo_centre_2d interface~ocean_halo_centre->proc~ocean_halo_centre_2d interface~ocean_halo_face_x ocean_halo_face_x interface~ocean_halo_face_x->proc~ocean_halo_face_x_3d proc~ocean_halo_face_x_2d ocean_halo_face_x_2d interface~ocean_halo_face_x->proc~ocean_halo_face_x_2d interface~ocean_halo_face_y ocean_halo_face_y interface~ocean_halo_face_y->proc~ocean_halo_face_y_3d proc~ocean_halo_face_y_2d ocean_halo_face_y_2d interface~ocean_halo_face_y->proc~ocean_halo_face_y_2d proc~ocean_halo_bt_group_2d_wide ocean_halo_bt_group_2d_wide proc~ocean_halo_bt_group_2d_wide->proc~ocean_halo_centre_2d_impl proc~ocean_halo_bt_group_2d_wide->proc~ocean_halo_face_x_2d_impl proc~ocean_halo_bt_group_2d_wide->proc~ocean_halo_face_y_2d_impl proc~ocean_halo_centre_2d->proc~ocean_halo_centre_2d_impl proc~ocean_halo_centre_2d_wide ocean_halo_centre_2d_wide proc~ocean_halo_centre_2d_wide->proc~ocean_halo_centre_2d_impl proc~ocean_halo_face_x_2d->proc~ocean_halo_face_x_2d_impl proc~ocean_halo_face_x_2d_wide ocean_halo_face_x_2d_wide proc~ocean_halo_face_x_2d_wide->proc~ocean_halo_face_x_2d_impl proc~ocean_halo_face_y_2d->proc~ocean_halo_face_y_2d_impl proc~ocean_halo_face_y_2d_wide ocean_halo_face_y_2d_wide proc~ocean_halo_face_y_2d_wide->proc~ocean_halo_face_y_2d_impl proc~barotropic_substep_nonlinear barotropic_substep_nonlinear proc~barotropic_substep_nonlinear->interface~ocean_halo_face_x proc~barotropic_substep_nonlinear->proc~ocean_halo_bt_group_2d_wide proc~ocean_halo_bt_group_2d ocean_halo_bt_group_2d proc~barotropic_substep_nonlinear->proc~ocean_halo_bt_group_2d proc~bt_wide_entry_exchange_impl bt_wide_entry_exchange_impl proc~bt_wide_entry_exchange_impl->proc~ocean_halo_bt_group_2d_wide proc~bt_wide_entry_exchange_impl->proc~ocean_halo_centre_2d_wide proc~bt_wide_entry_exchange_impl->proc~ocean_halo_face_x_2d_wide proc~bt_wide_entry_exchange_impl->proc~ocean_halo_face_y_2d_wide proc~configure_ocean_closed_faces configure_ocean_closed_faces proc~configure_ocean_closed_faces->interface~ocean_halo_face_x proc~configure_ocean_closed_faces->interface~ocean_halo_face_y proc~configure_ocean_k_bot configure_ocean_k_bot proc~configure_ocean_k_bot->interface~ocean_halo_face_x proc~configure_ocean_k_bot->interface~ocean_halo_face_y proc~configure_ocean_land_mask configure_ocean_land_mask proc~configure_ocean_land_mask->interface~ocean_halo_centre proc~continuity_gm_apply continuity_gm_apply proc~continuity_gm_apply->interface~ocean_halo_centre proc~continuity_tracer_step_split continuity_tracer_step_split proc~continuity_tracer_step_split->interface~ocean_halo_centre proc~engine_enter_data engine_enter_data proc~engine_enter_data->interface~ocean_halo_face_x proc~engine_enter_data->proc~ocean_halo_bt_group_2d_wide proc~engine_enter_data->proc~ocean_halo_bt_group_2d proc~ocean_halo_exchange_ml_state ocean_halo_exchange_ml_state proc~engine_enter_data->proc~ocean_halo_exchange_ml_state proc~engine_setup engine_setup proc~engine_setup->interface~ocean_halo_centre proc~engine_setup->interface~ocean_halo_face_x proc~engine_setup->proc~configure_ocean_closed_faces proc~engine_setup->proc~configure_ocean_k_bot proc~engine_setup->proc~configure_ocean_land_mask proc~engine_setup->proc~ocean_halo_exchange_ml_state proc~configure_ocean_forcing configure_ocean_forcing proc~engine_setup->proc~configure_ocean_forcing proc~ocean_data_forcing_configure ocean_data_forcing_configure proc~engine_setup->proc~ocean_data_forcing_configure proc~ocean_halo_exchange_ice_state ocean_halo_exchange_ice_state proc~engine_setup->proc~ocean_halo_exchange_ice_state proc~ice_evp_dynamics_impl ice_evp_dynamics_impl proc~ice_evp_dynamics_impl->interface~ocean_halo_face_x proc~ice_evp_dynamics_impl->interface~ocean_halo_face_y proc~ice_halo_centre_flat ice_halo_centre_flat proc~ice_halo_centre_flat->interface~ocean_halo_centre proc~ocean_dyn_step_split ocean_dyn_step_split proc~ocean_dyn_step_split->interface~ocean_halo_centre proc~run_stage_split run_stage_split proc~ocean_dyn_step_split->proc~run_stage_split proc~run_gm_step run_gm_step proc~ocean_dyn_step_split->proc~run_gm_step proc~ocean_halo_bt_group_2d->proc~ocean_halo_centre_2d proc~ocean_halo_bt_group_2d->proc~ocean_halo_face_x_2d proc~ocean_halo_bt_group_2d->proc~ocean_halo_face_y_2d proc~ocean_halo_exchange_ice_fluxes ocean_halo_exchange_ice_fluxes proc~ocean_halo_exchange_ice_fluxes->interface~ocean_halo_centre proc~ocean_halo_exchange_ml_state->interface~ocean_halo_centre proc~ocean_halo_exchange_ml_state->interface~ocean_halo_face_x proc~ocean_halo_exchange_ml_state->interface~ocean_halo_face_y proc~ocean_seam_refresh_surface_stress ocean_seam_refresh_surface_stress proc~ocean_seam_refresh_surface_stress->interface~ocean_halo_face_x proc~ocean_seam_refresh_surface_stress->interface~ocean_halo_face_y proc~refresh_tracer_ghosts refresh_tracer_ghosts proc~refresh_tracer_ghosts->interface~ocean_halo_centre proc~run_continuity_chain run_continuity_chain proc~run_continuity_chain->interface~ocean_halo_centre proc~run_continuity_chain->proc~continuity_tracer_step_split proc~run_continuity_chain->proc~ocean_halo_exchange_ml_state proc~run_continuity_chain->proc~refresh_tracer_ghosts proc~run_stage_split->interface~ocean_halo_centre proc~run_stage_split->interface~ocean_halo_face_x proc~run_stage_split->interface~ocean_halo_face_y proc~run_stage_split->proc~ocean_halo_bt_group_2d proc~run_stage_split->proc~ocean_halo_exchange_ml_state proc~run_stage_split->proc~refresh_tracer_ghosts proc~run_stage_split->proc~run_continuity_chain proc~barotropic_substep_nonlinear_interior barotropic_substep_nonlinear_interior proc~run_stage_split->proc~barotropic_substep_nonlinear_interior proc~bt_wide_entry_exchange bt_wide_t%bt_wide_entry_exchange proc~run_stage_split->proc~bt_wide_entry_exchange proc~bt_wide_substep bt_wide_substep proc~run_stage_split->proc~bt_wide_substep proc~visc_rem_precompute visc_rem_precompute proc~run_stage_split->proc~visc_rem_precompute proc~vmix_apply_in_stage vmix_apply_in_stage proc~run_stage_split->proc~vmix_apply_in_stage proc~visc_rem_halo_refresh visc_rem_halo_refresh proc~visc_rem_halo_refresh->interface~ocean_halo_face_x proc~visc_rem_halo_refresh->interface~ocean_halo_face_y proc~barotropic_substep_nonlinear_interior->proc~barotropic_substep_nonlinear proc~bt_wide_entry_exchange->proc~bt_wide_entry_exchange_impl proc~bt_wide_substep->proc~barotropic_substep_nonlinear proc~complete_ocean_create complete_ocean_create proc~complete_ocean_create->proc~engine_enter_data proc~complete_ocean_create->proc~engine_setup proc~configure_ocean_forcing->proc~ocean_seam_refresh_surface_stress proc~driver_run_ocean driver_run_ocean proc~driver_run_ocean->proc~engine_enter_data proc~driver_run_ocean->proc~engine_setup proc~engine_step engine_step proc~driver_run_ocean->proc~engine_step proc~engine_step_ice engine_step_ice proc~driver_run_ocean->proc~engine_step_ice proc~driver_validate driver_validate proc~driver_validate->proc~engine_setup proc~engine_step->proc~ocean_dyn_step_split proc~ocean_data_forcing_apply ocean_data_forcing_apply proc~engine_step->proc~ocean_data_forcing_apply proc~engine_step_ice->proc~ocean_halo_exchange_ice_fluxes proc~ice_ocean_stress_flux ice_ocean_stress_flux proc~engine_step_ice->proc~ice_ocean_stress_flux proc~engine_step_ice->proc~ocean_halo_exchange_ice_state proc~ice_evp_dynamics ice_evp_dynamics proc~ice_evp_dynamics->proc~ice_evp_dynamics_impl proc~ice_ocean_stress_flux->proc~ocean_seam_refresh_surface_stress proc~ocean_data_forcing_apply->proc~ocean_seam_refresh_surface_stress proc~ocean_data_forcing_configure->proc~ocean_seam_refresh_surface_stress proc~ocean_halo_exchange_ice_state->proc~ice_halo_centre_flat proc~ocean_halo_exchange_ice_transport ocean_halo_exchange_ice_transport proc~ocean_halo_exchange_ice_transport->proc~ice_halo_centre_flat proc~run_gm_step->proc~continuity_gm_apply proc~run_gm_step->proc~ocean_halo_exchange_ml_state proc~run_stage run_stage proc~run_stage->proc~continuity_tracer_step_split proc~run_stage->proc~vmix_apply_in_stage proc~visc_rem_precompute->proc~visc_rem_halo_refresh proc~vmix_apply_in_stage->proc~visc_rem_halo_refresh proc~vmix_apply_in_stage->proc~visc_rem_precompute proc~driver_run driver_run proc~driver_run->proc~driver_run_ocean proc~ice_evp_step ice_evp_step proc~ice_evp_step->proc~ice_evp_dynamics proc~ice_transport_step ice_transport_step proc~ice_transport_step->proc~ocean_halo_exchange_ice_transport proc~ocean_dyn_step ocean_dyn_step proc~ocean_dyn_step->proc~run_stage proc~rdb_ocean_create_finalize rdb_ocean_create_finalize proc~rdb_ocean_create_finalize->proc~complete_ocean_create proc~rdb_ocean_create_from_string rdb_ocean_create_from_string proc~rdb_ocean_create_from_string->proc~complete_ocean_create proc~rdb_ocean_step rdb_ocean_step proc~rdb_ocean_step->proc~engine_step proc~rdb_ocean_step->proc~engine_step_ice

Source Code

   pure subroutine needs_flags(need_w, need_e, need_s, need_n)
      !! Compute which directions need actual MPI or local-wrap work.
      logical, intent(out) :: need_w, need_e, need_s, need_n

      need_e = (.not. oh_decomp%has_east) .or. (oh_periodic_x .and. oh_decomp%px > 1)
      need_w = (.not. oh_decomp%has_west) .or. (oh_periodic_x .and. oh_decomp%px > 1)
      need_n = (.not. oh_decomp%has_north) .or. (oh_periodic_y .and. oh_decomp%py > 1)
      need_s = (.not. oh_decomp%has_south) .or. (oh_periodic_y .and. oh_decomp%py > 1)
   end subroutine needs_flags